Pin github.com/googleapis/gnostic to v0.4.0

See https://github.com/google/gnostic/pull/155

go.mod

@@ -7,12 +7,12 @@ require (
 	github.com/go-logr/logr v0.3.0 // indirect
 	github.com/go-ping/ping v0.0.0-20201115131931-3300c582a663
 	github.com/google/gofuzz v1.2.0 // indirect
-	github.com/googleapis/gnostic v0.5.3 // indirect
 	github.com/imdario/mergo v0.3.11 // indirect
+	github.com/kr/pretty v0.2.0 // indirect
 	github.com/miekg/dns v1.1.35
 	github.com/prometheus/client_golang v1.9.0
 	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad // indirect
-	golang.org/x/net v0.0.0-20201224014010-6772e930b67b
+	golang.org/x/net v0.0.0-20201224014010-6772e930b67b // indirect
 	golang.org/x/sys v0.0.0-20201223074533-0d417f636930 // indirect
 	golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf // indirect
 	golang.org/x/time v0.0.0-20201208040808-7e3f01d25324 // indirect
@@ -23,3 +23,5 @@ require (
 )
 
 replace k8s.io/client-go => k8s.io/client-go v0.19.6
+
+replace github.com/googleapis/gnostic => github.com/googleapis/gnostic v0.4.0

go.sum

@@ -217,10 +217,8 @@ github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk=
-github.com/googleapis/gnostic v0.4.1 h1:DLJCy1n/vrD4HPjOvYcT8aYQXpPIzoRZONaYwyycI+I=
+github.com/googleapis/gnostic v0.4.0 h1:BXDUo8p/DaxC+4FJY/SSx3gvnx9C1VdHNgaUkiEL5mk=
-github.com/googleapis/gnostic v0.4.1/go.mod h1:LRhVm6pbyptWbWbuZ38d1eyptfvIytN3ir6b65WBswg=
+github.com/googleapis/gnostic v0.4.0/go.mod h1:on+2t9HRStVgn95RSsFWFz+6Q0Snyqv1awfrALZdbtU=
-github.com/googleapis/gnostic v0.5.3 h1:FP6YXyar5+eeXU8lBWDHJMZLHinornnILMJYBLgqKXk=
-github.com/googleapis/gnostic v0.5.3/go.mod h1:TRWw1s4gxBGjSe301Dai3c7wXJAZy57+/6tawkOvqHQ=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
 github.com/gorilla/mux v1.6.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
@@ -408,7 +406,6 @@ github.com/spf13/pflag v1.0.1 h1:aCvUg6QPl3ibpQUxyLkrEkCHtPqYJL4x9AuhqVqFis4=
 github.com/spf13/pflag v1.0.1/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
-github.com/stoewer/go-strcase v1.2.0/go.mod h1:IBiWB2sKIp3wVVQ3Y035++gc+knqhUQag1KpM8ahLw8=
 github.com/streadway/amqp v0.0.0-20190404075320-75d898a42a94/go.mod h1:AZpEONHx3DKn8O/DFsRAY58/XVQiIPMTMB1SddzLXVw=
 github.com/streadway/amqp v0.0.0-20190827072141-edfb9018d271/go.mod h1:AZpEONHx3DKn8O/DFsRAY58/XVQiIPMTMB1SddzLXVw=
 github.com/streadway/handy v0.0.0-20190108123426-d5acb3125c2a/go.mod h1:qNTQ5P5JnDBl6z3cMAg/SywNDC5ABu5ApDIw6lUbRmI=
@@ -744,7 +741,6 @@ google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20201019141844-1ed22bb0c154/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20201109203340-2640f1f9cdfb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20201201144952-b05cb90ed32e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20201210142538-e3217bee35cc/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
@@ -806,8 +802,6 @@ gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
-gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 h1:tQIYjPdBoyREyB9XMu+nnTclpTYkz2zFM+lzLJFO4gQ=
-gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

vendor/github.com/googleapis/gnostic/OpenAPIv2/OpenAPIv2.proto

@@ -1,4 +1,4 @@
-// Copyright 2020 Google LLC. All Rights Reserved.
+// Copyright 2017 Google Inc. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -41,9 +41,6 @@ option java_package = "org.openapi_v2";
 // the future. 'GPB' is reserved for the protocol buffer implementation itself.
 option objc_class_prefix = "OAS";
 
-// The Go package name.
-option go_package = "openapiv2;openapi_v2";
-
 message AdditionalPropertiesItem {
   oneof oneof {
     Schema schema = 1;
@@ -556,7 +553,7 @@ message Response {
   repeated NamedAny vendor_extension = 5;
 }
 
-// One or more JSON representations for responses
+// One or more JSON representations for parameters
 message ResponseDefinitions {
   repeated NamedResponse additional_properties = 1;
 }

vendor/github.com/googleapis/gnostic/OpenAPIv2/README.md

@@ -1,14 +1,16 @@
 # OpenAPI v2 Protocol Buffer Models
 
-This directory contains a Protocol Buffer-language model and related code for
+This directory contains a Protocol Buffer-language model
-supporting OpenAPI v2.
+and related code for supporting OpenAPI v2.
 
-Gnostic applications and plugins can use OpenAPIv2.proto to generate Protocol
+Gnostic applications and plugins can use OpenAPIv2.proto
-Buffer support code for their preferred languages.
+to generate Protocol Buffer support code for their preferred languages.
 
-OpenAPIv2.go is used by Gnostic to read JSON and YAML OpenAPI descriptions into
+OpenAPIv2.go is used by Gnostic to read JSON and YAML OpenAPI 
-the Protocol Buffer-based datastructures generated from OpenAPIv2.proto.
+descriptions into the Protocol Buffer-based datastructures 
+generated from OpenAPIv2.proto.
 
-OpenAPIv2.proto and OpenAPIv2.go are generated by the Gnostic compiler
+OpenAPIv2.proto and OpenAPIv2.go are generated by the Gnostic 
-generator, and OpenAPIv2.pb.go is generated by protoc, the Protocol Buffer
+compiler generator, and OpenAPIv2.pb.go is generated by 
-compiler, and protoc-gen-go, the Protocol Buffer Go code generation plugin.
+protoc, the Protocol Buffer compiler, and protoc-gen-go, the
+Protocol Buffer Go code generation plugin.

vendor/github.com/googleapis/gnostic/OpenAPIv2/document.go

@@ -1,41 +0,0 @@
-// Copyright 2020 Google LLC. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package openapi_v2
-
-import (
-	"github.com/googleapis/gnostic/compiler"
-	"gopkg.in/yaml.v3"
-)
-
-// ParseDocument reads an OpenAPI v2 description from a YAML/JSON representation.
-func ParseDocument(b []byte) (*Document, error) {
-	info, err := compiler.ReadInfoFromBytes("", b)
-	if err != nil {
-		return nil, err
-	}
-	root := info.Content[0]
-	return NewDocument(root, compiler.NewContextWithExtensions("$root", root, nil, nil))
-}
-
-// YAMLValue produces a serialized YAML representation of the document.
-func (d *Document) YAMLValue(comment string) ([]byte, error) {
-	rawInfo := d.ToRawInfo()
-	rawInfo = &yaml.Node{
-		Kind:        yaml.DocumentNode,
-		Content:     []*yaml.Node{rawInfo},
-		HeadComment: comment,
-	}
-	return yaml.Marshal(rawInfo)
-}

vendor/github.com/googleapis/gnostic/OpenAPIv2/openapi-2.0.json

@@ -203,7 +203,7 @@
       "additionalProperties": {
         "$ref": "#/definitions/response"
       },
-      "description": "One or more JSON representations for responses"
+      "description": "One or more JSON representations for parameters"
     },
     "externalDocs": {
       "type": "object",
@@ -1607,4 +1607,4 @@
       }
     }
   }
-}
+}

vendor/github.com/googleapis/gnostic/compiler/README.md

@@ -1,4 +1,3 @@
 # Compiler support code
 
-This directory contains compiler support code used by Gnostic and Gnostic
+This directory contains compiler support code used by Gnostic and Gnostic extensions.
-extensions.

vendor/github.com/googleapis/gnostic/compiler/context.go

@@ -1,4 +1,4 @@
-// Copyright 2017 Google LLC. All Rights Reserved.
+// Copyright 2017 Google Inc. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -14,36 +14,30 @@
 
 package compiler
 
-import (
-	yaml "gopkg.in/yaml.v3"
-)
-
 // Context contains state of the compiler as it traverses a document.
 type Context struct {
 	Parent            *Context
 	Name              string
-	Node              *yaml.Node
 	ExtensionHandlers *[]ExtensionHandler
 }
 
 // NewContextWithExtensions returns a new object representing the compiler state
-func NewContextWithExtensions(name string, node *yaml.Node, parent *Context, extensionHandlers *[]ExtensionHandler) *Context {
+func NewContextWithExtensions(name string, parent *Context, extensionHandlers *[]ExtensionHandler) *Context {
-	return &Context{Name: name, Node: node, Parent: parent, ExtensionHandlers: extensionHandlers}
+	return &Context{Name: name, Parent: parent, ExtensionHandlers: extensionHandlers}
 }
 
 // NewContext returns a new object representing the compiler state
-func NewContext(name string, node *yaml.Node, parent *Context) *Context {
+func NewContext(name string, parent *Context) *Context {
 	if parent != nil {
-		return &Context{Name: name, Node: node, Parent: parent, ExtensionHandlers: parent.ExtensionHandlers}
+		return &Context{Name: name, Parent: parent, ExtensionHandlers: parent.ExtensionHandlers}
 	}
 	return &Context{Name: name, Parent: parent, ExtensionHandlers: nil}
 }
 
 // Description returns a text description of the compiler state
 func (context *Context) Description() string {
-	name := context.Name
 	if context.Parent != nil {
-		name = context.Parent.Description() + "." + name
+		return context.Parent.Description() + "." + context.Name
 	}
-	return name
+	return context.Name
 }

vendor/github.com/googleapis/gnostic/compiler/error.go

@@ -1,4 +1,4 @@
-// Copyright 2017 Google LLC. All Rights Reserved.
+// Copyright 2017 Google Inc. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -14,8 +14,6 @@
 
 package compiler
 
-import "fmt"
-
 // Error represents compiler errors and their location in the document.
 type Error struct {
 	Context *Context
@@ -27,19 +25,12 @@ func NewError(context *Context, message string) *Error {
 	return &Error{Context: context, Message: message}
 }
 
-func (err *Error) locationDescription() string {
-	if err.Context.Node != nil {
-		return fmt.Sprintf("[%d,%d] %s", err.Context.Node.Line, err.Context.Node.Column, err.Context.Description())
-	}
-	return err.Context.Description()
-}
-
 // Error returns the string value of an Error.
 func (err *Error) Error() string {
 	if err.Context == nil {
-		return err.Message
+		return "ERROR " + err.Message
 	}
-	return err.locationDescription() + " " + err.Message
+	return "ERROR " + err.Context.Description() + " " + err.Message
 }
 
 // ErrorGroup is a container for groups of Error values.

vendor/github.com/googleapis/gnostic/compiler/extension-handler.go

@@ -0,0 +1,101 @@
+// Copyright 2017 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package compiler
+
+import (
+	"bytes"
+	"fmt"
+	"os/exec"
+
+	"strings"
+
+	"errors"
+
+	"github.com/golang/protobuf/proto"
+	"github.com/golang/protobuf/ptypes/any"
+	ext_plugin "github.com/googleapis/gnostic/extensions"
+	yaml "gopkg.in/yaml.v2"
+)
+
+// ExtensionHandler describes a binary that is called by the compiler to handle specification extensions.
+type ExtensionHandler struct {
+	Name string
+}
+
+// HandleExtension calls a binary extension handler.
+func HandleExtension(context *Context, in interface{}, extensionName string) (bool, *any.Any, error) {
+	handled := false
+	var errFromPlugin error
+	var outFromPlugin *any.Any
+
+	if context != nil && context.ExtensionHandlers != nil && len(*(context.ExtensionHandlers)) != 0 {
+		for _, customAnyProtoGenerator := range *(context.ExtensionHandlers) {
+			outFromPlugin, errFromPlugin = customAnyProtoGenerator.handle(in, extensionName)
+			if outFromPlugin == nil {
+				continue
+			} else {
+				handled = true
+				break
+			}
+		}
+	}
+	return handled, outFromPlugin, errFromPlugin
+}
+
+func (extensionHandlers *ExtensionHandler) handle(in interface{}, extensionName string) (*any.Any, error) {
+	if extensionHandlers.Name != "" {
+		binary, _ := yaml.Marshal(in)
+
+		request := &ext_plugin.ExtensionHandlerRequest{}
+
+		version := &ext_plugin.Version{}
+		version.Major = 0
+		version.Minor = 1
+		version.Patch = 0
+		request.CompilerVersion = version
+
+		request.Wrapper = &ext_plugin.Wrapper{}
+
+		request.Wrapper.Version = "v2"
+		request.Wrapper.Yaml = string(binary)
+		request.Wrapper.ExtensionName = extensionName
+
+		requestBytes, _ := proto.Marshal(request)
+		cmd := exec.Command(extensionHandlers.Name)
+		cmd.Stdin = bytes.NewReader(requestBytes)
+		output, err := cmd.Output()
+
+		if err != nil {
+			fmt.Printf("Error: %+v\n", err)
+			return nil, err
+		}
+		response := &ext_plugin.ExtensionHandlerResponse{}
+		err = proto.Unmarshal(output, response)
+		if err != nil {
+			fmt.Printf("Error: %+v\n", err)
+			fmt.Printf("%s\n", string(output))
+			return nil, err
+		}
+		if !response.Handled {
+			return nil, nil
+		}
+		if len(response.Error) != 0 {
+			message := fmt.Sprintf("Errors when parsing: %+v for field %s by vendor extension handler %s. Details %+v", in, extensionName, extensionHandlers.Name, strings.Join(response.Error, ","))
+			return nil, errors.New(message)
+		}
+		return response.Value, nil
+	}
+	return nil, nil
+}

vendor/github.com/googleapis/gnostic/compiler/extensions.go

@@ -1,85 +0,0 @@
-// Copyright 2017 Google LLC. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package compiler
-
-import (
-	"bytes"
-	"fmt"
-	"os/exec"
-	"strings"
-
-	"github.com/golang/protobuf/proto"
-	"github.com/golang/protobuf/ptypes/any"
-	extensions "github.com/googleapis/gnostic/extensions"
-	yaml "gopkg.in/yaml.v3"
-)
-
-// ExtensionHandler describes a binary that is called by the compiler to handle specification extensions.
-type ExtensionHandler struct {
-	Name string
-}
-
-// CallExtension calls a binary extension handler.
-func CallExtension(context *Context, in *yaml.Node, extensionName string) (handled bool, response *any.Any, err error) {
-	if context == nil || context.ExtensionHandlers == nil {
-		return false, nil, nil
-	}
-	handled = false
-	for _, handler := range *(context.ExtensionHandlers) {
-		response, err = handler.handle(in, extensionName)
-		if response == nil {
-			continue
-		} else {
-			handled = true
-			break
-		}
-	}
-	return handled, response, err
-}
-
-func (extensionHandlers *ExtensionHandler) handle(in *yaml.Node, extensionName string) (*any.Any, error) {
-	if extensionHandlers.Name != "" {
-		yamlData, _ := yaml.Marshal(in)
-		request := &extensions.ExtensionHandlerRequest{
-			CompilerVersion: &extensions.Version{
-				Major: 0,
-				Minor: 1,
-				Patch: 0,
-			},
-			Wrapper: &extensions.Wrapper{
-				Version:       "unknown", // TODO: set this to the type/version of spec being parsed.
-				Yaml:          string(yamlData),
-				ExtensionName: extensionName,
-			},
-		}
-		requestBytes, _ := proto.Marshal(request)
-		cmd := exec.Command(extensionHandlers.Name)
-		cmd.Stdin = bytes.NewReader(requestBytes)
-		output, err := cmd.Output()
-		if err != nil {
-			return nil, err
-		}
-		response := &extensions.ExtensionHandlerResponse{}
-		err = proto.Unmarshal(output, response)
-		if err != nil || !response.Handled {
-			return nil, err
-		}
-		if len(response.Errors) != 0 {
-			return nil, fmt.Errorf("Errors when parsing: %+v for field %s by vendor extension handler %s. Details %+v", in, extensionName, extensionHandlers.Name, strings.Join(response.Errors, ","))
-		}
-		return response.Value, nil
-	}
-	return nil, nil
-}

vendor/github.com/googleapis/gnostic/compiler/helpers.go

@@ -1,4 +1,4 @@
-// Copyright 2017 Google LLC. All Rights Reserved.
+// Copyright 2017 Google Inc. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -16,63 +16,56 @@ package compiler
 
 import (
 	"fmt"
+	"gopkg.in/yaml.v2"
 	"regexp"
 	"sort"
 	"strconv"
-
-	"github.com/googleapis/gnostic/jsonschema"
-	"gopkg.in/yaml.v3"
 )
 
 // compiler helper functions, usually called from generated code
 
-// UnpackMap gets a *yaml.Node if possible.
+// UnpackMap gets a yaml.MapSlice if possible.
-func UnpackMap(in *yaml.Node) (*yaml.Node, bool) {
+func UnpackMap(in interface{}) (yaml.MapSlice, bool) {
-	if in == nil {
+	m, ok := in.(yaml.MapSlice)
-		return nil, false
+	if ok {
+		return m, true
 	}
-	return in, true
+	// do we have an empty array?
+	a, ok := in.([]interface{})
+	if ok && len(a) == 0 {
+		// if so, return an empty map
+		return yaml.MapSlice{}, true
+	}
+	return nil, false
 }
 
-// SortedKeysForMap returns the sorted keys of a yamlv2.MapSlice.
+// SortedKeysForMap returns the sorted keys of a yaml.MapSlice.
-func SortedKeysForMap(m *yaml.Node) []string {
+func SortedKeysForMap(m yaml.MapSlice) []string {
 	keys := make([]string, 0)
-	if m.Kind == yaml.MappingNode {
+	for _, item := range m {
-		for i := 0; i < len(m.Content); i += 2 {
+		keys = append(keys, item.Key.(string))
-			keys = append(keys, m.Content[i].Value)
-		}
 	}
 	sort.Strings(keys)
 	return keys
 }
 
-// MapHasKey returns true if a yamlv2.MapSlice contains a specified key.
+// MapHasKey returns true if a yaml.MapSlice contains a specified key.
-func MapHasKey(m *yaml.Node, key string) bool {
+func MapHasKey(m yaml.MapSlice, key string) bool {
-	if m == nil {
+	for _, item := range m {
-		return false
+		itemKey, ok := item.Key.(string)
-	}
+		if ok && key == itemKey {
-	if m.Kind == yaml.MappingNode {
+			return true
-		for i := 0; i < len(m.Content); i += 2 {
-			itemKey := m.Content[i].Value
-			if key == itemKey {
-				return true
-			}
 		}
 	}
 	return false
 }
 
 // MapValueForKey gets the value of a map value for a specified key.
-func MapValueForKey(m *yaml.Node, key string) *yaml.Node {
+func MapValueForKey(m yaml.MapSlice, key string) interface{} {
-	if m == nil {
+	for _, item := range m {
-		return nil
+		itemKey, ok := item.Key.(string)
-	}
+		if ok && key == itemKey {
-	if m.Kind == yaml.MappingNode {
+			return item.Value
-		for i := 0; i < len(m.Content); i += 2 {
-			itemKey := m.Content[i].Value
-			if key == itemKey {
-				return m.Content[i+1]
-			}
 		}
 	}
 	return nil
@@ -90,118 +83,8 @@ func ConvertInterfaceArrayToStringArray(interfaceArray []interface{}) []string {
 	return stringArray
 }
 
-// SequenceNodeForNode returns a node if it is a SequenceNode.
-func SequenceNodeForNode(node *yaml.Node) (*yaml.Node, bool) {
-	if node.Kind != yaml.SequenceNode {
-		return nil, false
-	}
-	return node, true
-}
-
-// BoolForScalarNode returns the bool value of a node.
-func BoolForScalarNode(node *yaml.Node) (bool, bool) {
-	if node == nil {
-		return false, false
-	}
-	if node.Kind == yaml.DocumentNode {
-		return BoolForScalarNode(node.Content[0])
-	}
-	if node.Kind != yaml.ScalarNode {
-		return false, false
-	}
-	if node.Tag != "!!bool" {
-		return false, false
-	}
-	v, err := strconv.ParseBool(node.Value)
-	if err != nil {
-		return false, false
-	}
-	return v, true
-}
-
-// IntForScalarNode returns the integer value of a node.
-func IntForScalarNode(node *yaml.Node) (int64, bool) {
-	if node == nil {
-		return 0, false
-	}
-	if node.Kind == yaml.DocumentNode {
-		return IntForScalarNode(node.Content[0])
-	}
-	if node.Kind != yaml.ScalarNode {
-		return 0, false
-	}
-	if node.Tag != "!!int" {
-		return 0, false
-	}
-	v, err := strconv.ParseInt(node.Value, 10, 64)
-	if err != nil {
-		return 0, false
-	}
-	return v, true
-}
-
-// FloatForScalarNode returns the float value of a node.
-func FloatForScalarNode(node *yaml.Node) (float64, bool) {
-	if node == nil {
-		return 0.0, false
-	}
-	if node.Kind == yaml.DocumentNode {
-		return FloatForScalarNode(node.Content[0])
-	}
-	if node.Kind != yaml.ScalarNode {
-		return 0.0, false
-	}
-	if (node.Tag != "!!int") && (node.Tag != "!!float") {
-		return 0.0, false
-	}
-	v, err := strconv.ParseFloat(node.Value, 64)
-	if err != nil {
-		return 0.0, false
-	}
-	return v, true
-}
-
-// StringForScalarNode returns the string value of a node.
-func StringForScalarNode(node *yaml.Node) (string, bool) {
-	if node == nil {
-		return "", false
-	}
-	if node.Kind == yaml.DocumentNode {
-		return StringForScalarNode(node.Content[0])
-	}
-	switch node.Kind {
-	case yaml.ScalarNode:
-		switch node.Tag {
-		case "!!int":
-			return node.Value, true
-		case "!!str":
-			return node.Value, true
-		case "!!timestamp":
-			return node.Value, true
-		case "!!null":
-			return "", true
-		default:
-			return "", false
-		}
-	default:
-		return "", false
-	}
-}
-
-// StringArrayForSequenceNode converts a sequence node to an array of strings, if possible.
-func StringArrayForSequenceNode(node *yaml.Node) []string {
-	stringArray := make([]string, 0)
-	for _, item := range node.Content {
-		v, ok := StringForScalarNode(item)
-		if ok {
-			stringArray = append(stringArray, v)
-		}
-	}
-	return stringArray
-}
-
 // MissingKeysInMap identifies which keys from a list of required keys are not in a map.
-func MissingKeysInMap(m *yaml.Node, requiredKeys []string) []string {
+func MissingKeysInMap(m yaml.MapSlice, requiredKeys []string) []string {
 	missingKeys := make([]string, 0)
 	for _, k := range requiredKeys {
 		if !MapHasKey(m, k) {
@@ -212,109 +95,64 @@ func MissingKeysInMap(m *yaml.Node, requiredKeys []string) []string {
 }
 
 // InvalidKeysInMap returns keys in a map that don't match a list of allowed keys and patterns.
-func InvalidKeysInMap(m *yaml.Node, allowedKeys []string, allowedPatterns []*regexp.Regexp) []string {
+func InvalidKeysInMap(m yaml.MapSlice, allowedKeys []string, allowedPatterns []*regexp.Regexp) []string {
 	invalidKeys := make([]string, 0)
-	if m == nil || m.Kind != yaml.MappingNode {
+	for _, item := range m {
-		return invalidKeys
+		itemKey, ok := item.Key.(string)
-	}
+		if ok {
-	for i := 0; i < len(m.Content); i += 2 {
+			key := itemKey
-		key := m.Content[i].Value
+			found := false
-		found := false
+			// does the key match an allowed key?
-		// does the key match an allowed key?
+			for _, allowedKey := range allowedKeys {
-		for _, allowedKey := range allowedKeys {
+				if key == allowedKey {
-			if key == allowedKey {
-				found = true
-				break
-			}
-		}
-		if !found {
-			// does the key match an allowed pattern?
-			for _, allowedPattern := range allowedPatterns {
-				if allowedPattern.MatchString(key) {
 					found = true
 					break
 				}
 			}
 			if !found {
-				invalidKeys = append(invalidKeys, key)
+				// does the key match an allowed pattern?
+				for _, allowedPattern := range allowedPatterns {
+					if allowedPattern.MatchString(key) {
+						found = true
+						break
+					}
+				}
+				if !found {
+					invalidKeys = append(invalidKeys, key)
+				}
 			}
 		}
 	}
 	return invalidKeys
 }
 
-// NewNullNode creates a new Null node.
+// DescribeMap describes a map (for debugging purposes).
-func NewNullNode() *yaml.Node {
+func DescribeMap(in interface{}, indent string) string {
-	node := &yaml.Node{
+	description := ""
-		Kind: yaml.ScalarNode,
+	m, ok := in.(map[string]interface{})
-		Tag:  "!!null",
+	if ok {
+		keys := make([]string, 0)
+		for k := range m {
+			keys = append(keys, k)
+		}
+		sort.Strings(keys)
+		for _, k := range keys {
+			v := m[k]
+			description += fmt.Sprintf("%s%s:\n", indent, k)
+			description += DescribeMap(v, indent+"  ")
+		}
+		return description
 	}
-	return node
+	a, ok := in.([]interface{})
-}
+	if ok {
-
+		for i, v := range a {
-// NewMappingNode creates a new Mapping node.
+			description += fmt.Sprintf("%s%d:\n", indent, i)
-func NewMappingNode() *yaml.Node {
+			description += DescribeMap(v, indent+"  ")
-	return &yaml.Node{
+		}
-		Kind:    yaml.MappingNode,
+		return description
-		Content: make([]*yaml.Node, 0),
-	}
-}
-
-// NewSequenceNode creates a new Sequence node.
-func NewSequenceNode() *yaml.Node {
-	node := &yaml.Node{
-		Kind:    yaml.SequenceNode,
-		Content: make([]*yaml.Node, 0),
-	}
-	return node
-}
-
-// NewScalarNodeForString creates a new node to hold a string.
-func NewScalarNodeForString(s string) *yaml.Node {
-	return &yaml.Node{
-		Kind:  yaml.ScalarNode,
-		Tag:   "!!str",
-		Value: s,
-	}
-}
-
-// NewSequenceNodeForStringArray creates a new node to hold an array of strings.
-func NewSequenceNodeForStringArray(strings []string) *yaml.Node {
-	node := &yaml.Node{
-		Kind:    yaml.SequenceNode,
-		Content: make([]*yaml.Node, 0),
-	}
-	for _, s := range strings {
-		node.Content = append(node.Content, NewScalarNodeForString(s))
-	}
-	return node
-}
-
-// NewScalarNodeForBool creates a new node to hold a bool.
-func NewScalarNodeForBool(b bool) *yaml.Node {
-	return &yaml.Node{
-		Kind:  yaml.ScalarNode,
-		Tag:   "!!bool",
-		Value: fmt.Sprintf("%t", b),
-	}
-}
-
-// NewScalarNodeForFloat creates a new node to hold a float.
-func NewScalarNodeForFloat(f float64) *yaml.Node {
-	return &yaml.Node{
-		Kind:  yaml.ScalarNode,
-		Tag:   "!!float",
-		Value: fmt.Sprintf("%g", f),
-	}
-}
-
-// NewScalarNodeForInt creates a new node to hold an integer.
-func NewScalarNodeForInt(i int64) *yaml.Node {
-	return &yaml.Node{
-		Kind:  yaml.ScalarNode,
-		Tag:   "!!int",
-		Value: fmt.Sprintf("%d", i),
 	}
+	description += fmt.Sprintf("%s%+v\n", indent, in)
+	return description
 }
 
 // PluralProperties returns the string "properties" pluralized.
@@ -357,40 +195,3 @@ func StringValue(item interface{}) (value string, ok bool) {
 	}
 	return "", false
 }
-
-// Description returns a human-readable represention of an item.
-func Description(item interface{}) string {
-	value, ok := item.(*yaml.Node)
-	if ok {
-		return jsonschema.Render(value)
-	}
-	return fmt.Sprintf("%+v", item)
-}
-
-// Display returns a description of a node for use in error messages.
-func Display(node *yaml.Node) string {
-	switch node.Kind {
-	case yaml.ScalarNode:
-		switch node.Tag {
-		case "!!str":
-			return fmt.Sprintf("%s (string)", node.Value)
-		}
-	}
-	return fmt.Sprintf("%+v (%T)", node, node)
-}
-
-// Marshal creates a yaml version of a structure in our preferred style
-func Marshal(in *yaml.Node) []byte {
-	clearStyle(in)
-	//bytes, _ := yaml.Marshal(&yaml.Node{Kind: yaml.DocumentNode, Content: []*yaml.Node{in}})
-	bytes, _ := yaml.Marshal(in)
-
-	return bytes
-}
-
-func clearStyle(node *yaml.Node) {
-	node.Style = 0
-	for _, c := range node.Content {
-		clearStyle(c)
-	}
-}

vendor/github.com/googleapis/gnostic/compiler/main.go

@@ -1,4 +1,4 @@
-// Copyright 2017 Google LLC. All Rights Reserved.
+// Copyright 2017 Google Inc. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

vendor/github.com/googleapis/gnostic/compiler/reader.go

@@ -1,4 +1,4 @@
-// Copyright 2017 Google LLC. All Rights Reserved.
+// Copyright 2017 Google Inc. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -15,6 +15,7 @@
 package compiler
 
 import (
+	"errors"
 	"fmt"
 	"io/ioutil"
 	"log"
@@ -22,30 +23,18 @@ import (
 	"net/url"
 	"path/filepath"
 	"strings"
-	"sync"
 
-	yaml "gopkg.in/yaml.v3"
+	yaml "gopkg.in/yaml.v2"
 )
 
-var verboseReader = false
-
 var fileCache map[string][]byte
-var infoCache map[string]*yaml.Node
+var infoCache map[string]interface{}
+var count int64
 
+var verboseReader = false
 var fileCacheEnable = true
 var infoCacheEnable = true
 
-// These locks are used to synchronize accesses to the fileCache and infoCache
-// maps (above). They are global state and can throw thread-related errors
-// when modified from separate goroutines. The general strategy is to protect
-// all public functions in this file with mutex Lock() calls. As a result, to
-// avoid deadlock, these public functions should not call other public
-// functions, so some public functions have private equivalents.
-// In the future, we might consider replacing the maps with sync.Map and
-// eliminating these mutexes.
-var fileCacheMutex sync.Mutex
-var infoCacheMutex sync.Mutex
-
 func initializeFileCache() {
 	if fileCache == nil {
 		fileCache = make(map[string][]byte, 0)
@@ -54,42 +43,19 @@ func initializeFileCache() {
 
 func initializeInfoCache() {
 	if infoCache == nil {
-		infoCache = make(map[string]*yaml.Node, 0)
+		infoCache = make(map[string]interface{}, 0)
 	}
 }
 
-// EnableFileCache turns on file caching.
-func EnableFileCache() {
-	fileCacheMutex.Lock()
-	defer fileCacheMutex.Unlock()
-	fileCacheEnable = true
-}
-
-// EnableInfoCache turns on parsed info caching.
-func EnableInfoCache() {
-	infoCacheMutex.Lock()
-	defer infoCacheMutex.Unlock()
-	infoCacheEnable = true
-}
-
-// DisableFileCache turns off file caching.
 func DisableFileCache() {
-	fileCacheMutex.Lock()
-	defer fileCacheMutex.Unlock()
 	fileCacheEnable = false
 }
 
-// DisableInfoCache turns off parsed info caching.
 func DisableInfoCache() {
-	infoCacheMutex.Lock()
-	defer infoCacheMutex.Unlock()
 	infoCacheEnable = false
 }
 
-// RemoveFromFileCache removes an entry from the file cache.
 func RemoveFromFileCache(fileurl string) {
-	fileCacheMutex.Lock()
-	defer fileCacheMutex.Unlock()
 	if !fileCacheEnable {
 		return
 	}
@@ -97,10 +63,7 @@ func RemoveFromFileCache(fileurl string) {
 	delete(fileCache, fileurl)
 }
 
-// RemoveFromInfoCache removes an entry from the info cache.
 func RemoveFromInfoCache(filename string) {
-	infoCacheMutex.Lock()
-	defer infoCacheMutex.Unlock()
 	if !infoCacheEnable {
 		return
 	}
@@ -108,44 +71,19 @@ func RemoveFromInfoCache(filename string) {
 	delete(infoCache, filename)
 }
 
-// GetInfoCache returns the info cache map.
+func GetInfoCache() map[string]interface{} {
-func GetInfoCache() map[string]*yaml.Node {
-	infoCacheMutex.Lock()
-	defer infoCacheMutex.Unlock()
 	if infoCache == nil {
 		initializeInfoCache()
 	}
 	return infoCache
 }
 
-// ClearFileCache clears the file cache.
-func ClearFileCache() {
-	fileCacheMutex.Lock()
-	defer fileCacheMutex.Unlock()
-	fileCache = make(map[string][]byte, 0)
-}
-
-// ClearInfoCache clears the info cache.
 func ClearInfoCache() {
-	infoCacheMutex.Lock()
+	infoCache = make(map[string]interface{})
-	defer infoCacheMutex.Unlock()
-	infoCache = make(map[string]*yaml.Node)
-}
-
-// ClearCaches clears all caches.
-func ClearCaches() {
-	ClearFileCache()
-	ClearInfoCache()
 }
 
 // FetchFile gets a specified file from the local filesystem or a remote location.
 func FetchFile(fileurl string) ([]byte, error) {
-	fileCacheMutex.Lock()
-	defer fileCacheMutex.Unlock()
-	return fetchFile(fileurl)
-}
-
-func fetchFile(fileurl string) ([]byte, error) {
 	var bytes []byte
 	initializeFileCache()
 	if fileCacheEnable {
@@ -166,7 +104,7 @@ func fetchFile(fileurl string) ([]byte, error) {
 	}
 	defer response.Body.Close()
 	if response.StatusCode != 200 {
-		return nil, fmt.Errorf("Error downloading %s: %s", fileurl, response.Status)
+		return nil, errors.New(fmt.Sprintf("Error downloading %s: %s", fileurl, response.Status))
 	}
 	bytes, err = ioutil.ReadAll(response.Body)
 	if fileCacheEnable && err == nil {
@@ -177,17 +115,11 @@ func fetchFile(fileurl string) ([]byte, error) {
 
 // ReadBytesForFile reads the bytes of a file.
 func ReadBytesForFile(filename string) ([]byte, error) {
-	fileCacheMutex.Lock()
-	defer fileCacheMutex.Unlock()
-	return readBytesForFile(filename)
-}
-
-func readBytesForFile(filename string) ([]byte, error) {
 	// is the filename a url?
 	fileurl, _ := url.Parse(filename)
 	if fileurl.Scheme != "" {
 		// yes, fetch it
-		bytes, err := fetchFile(filename)
+		bytes, err := FetchFile(filename)
 		if err != nil {
 			return nil, err
 		}
@@ -201,14 +133,8 @@ func readBytesForFile(filename string) ([]byte, error) {
 	return bytes, nil
 }
 
-// ReadInfoFromBytes unmarshals a file as a *yaml.Node.
+// ReadInfoFromBytes unmarshals a file as a yaml.MapSlice.
-func ReadInfoFromBytes(filename string, bytes []byte) (*yaml.Node, error) {
+func ReadInfoFromBytes(filename string, bytes []byte) (interface{}, error) {
-	infoCacheMutex.Lock()
-	defer infoCacheMutex.Unlock()
-	return readInfoFromBytes(filename, bytes)
-}
-
-func readInfoFromBytes(filename string, bytes []byte) (*yaml.Node, error) {
 	initializeInfoCache()
 	if infoCacheEnable {
 		cachedInfo, ok := infoCache[filename]
@@ -222,23 +148,19 @@ func readInfoFromBytes(filename string, bytes []byte) (*yaml.Node, error) {
 			log.Printf("Reading info for file %s", filename)
 		}
 	}
-	var info yaml.Node
+	var info yaml.MapSlice
 	err := yaml.Unmarshal(bytes, &info)
 	if err != nil {
 		return nil, err
 	}
 	if infoCacheEnable && len(filename) > 0 {
-		infoCache[filename] = &info
+		infoCache[filename] = info
 	}
-	return &info, nil
+	return info, nil
 }
 
 // ReadInfoForRef reads a file and return the fragment needed to resolve a $ref.
-func ReadInfoForRef(basefile string, ref string) (*yaml.Node, error) {
+func ReadInfoForRef(basefile string, ref string) (interface{}, error) {
-	fileCacheMutex.Lock()
-	defer fileCacheMutex.Unlock()
-	infoCacheMutex.Lock()
-	defer infoCacheMutex.Unlock()
 	initializeInfoCache()
 	if infoCacheEnable {
 		info, ok := infoCache[ref]
@@ -252,6 +174,7 @@ func ReadInfoForRef(basefile string, ref string) (*yaml.Node, error) {
 			log.Printf("Reading info for ref %s#%s", basefile, ref)
 		}
 	}
+	count = count + 1
 	basedir, _ := filepath.Split(basefile)
 	parts := strings.Split(ref, "#")
 	var filename string
@@ -264,30 +187,24 @@ func ReadInfoForRef(basefile string, ref string) (*yaml.Node, error) {
 	} else {
 		filename = basefile
 	}
-	bytes, err := readBytesForFile(filename)
+	bytes, err := ReadBytesForFile(filename)
 	if err != nil {
 		return nil, err
 	}
-	info, err := readInfoFromBytes(filename, bytes)
+	info, err := ReadInfoFromBytes(filename, bytes)
-	if info != nil && info.Kind == yaml.DocumentNode {
-		info = info.Content[0]
-	}
 	if err != nil {
 		log.Printf("File error: %v\n", err)
 	} else {
-		if info == nil {
-			return nil, NewError(nil, fmt.Sprintf("could not resolve %s", ref))
-		}
 		if len(parts) > 1 {
 			path := strings.Split(parts[1], "/")
 			for i, key := range path {
 				if i > 0 {
-					m := info
+					m, ok := info.(yaml.MapSlice)
-					if true {
+					if ok {
 						found := false
-						for i := 0; i < len(m.Content); i += 2 {
+						for _, section := range m {
-							if m.Content[i].Value == key {
+							if section.Key == key {
-								info = m.Content[i+1]
+								info = section.Value
 								found = true
 							}
 						}

vendor/github.com/googleapis/gnostic/extensions/README.md

@@ -1,13 +1,5 @@
 # Extensions
 
-**Extension Support is experimental.**
+This directory contains support code for building Gnostic extensions and associated examples.
 
-This directory contains support code for building Gnostic extensio handlers and
+Extensions are used to compile vendor or specification extensions into protocol buffer structures.
-associated examples.
-
-Extension handlers can be used to compile vendor or specification extensions
-into protocol buffer structures.
-
-Like plugins, extension handlers are built as separate executables. Extension
-bodies are written to extension handlers as serialized
-ExtensionHandlerRequests.

vendor/github.com/googleapis/gnostic/extensions/extension.pb.go

@@ -1,186 +1,148 @@
-// Copyright 2017 Google LLC. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
 // Code generated by protoc-gen-go. DO NOT EDIT.
-// versions:
-// 	protoc-gen-go v1.24.0
-// 	protoc        v3.12.0
 // source: extensions/extension.proto
 
-package gnostic_extension_v1
+package openapiextension_v1
 
 import (
+	fmt "fmt"
 	proto "github.com/golang/protobuf/proto"
 	any "github.com/golang/protobuf/ptypes/any"
-	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	math "math"
-	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
-	reflect "reflect"
-	sync "sync"
 )
 
-const (
+// Reference imports to suppress errors if they are not otherwise used.
-	// Verify that this generated code is sufficiently up-to-date.
+var _ = proto.Marshal
-	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+var _ = fmt.Errorf
-	// Verify that runtime/protoimpl is sufficiently up-to-date.
+var _ = math.Inf
-	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
-)
 
-// This is a compile-time assertion that a sufficiently up-to-date version
+// This is a compile-time assertion to ensure that this generated file
-// of the legacy proto package is being used.
+// is compatible with the proto package it is being compiled against.
-const _ = proto.ProtoPackageIsVersion4
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
-// The version number of Gnostic.
+// The version number of OpenAPI compiler.
 type Version struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
 	Major int32 `protobuf:"varint,1,opt,name=major,proto3" json:"major,omitempty"`
 	Minor int32 `protobuf:"varint,2,opt,name=minor,proto3" json:"minor,omitempty"`
 	Patch int32 `protobuf:"varint,3,opt,name=patch,proto3" json:"patch,omitempty"`
 	// A suffix for alpha, beta or rc release, e.g., "alpha-1", "rc2". It should
 	// be empty for mainline stable releases.
-	Suffix string `protobuf:"bytes,4,opt,name=suffix,proto3" json:"suffix,omitempty"`
+	Suffix               string   `protobuf:"bytes,4,opt,name=suffix,proto3" json:"suffix,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
-func (x *Version) Reset() {
+func (m *Version) Reset()         { *m = Version{} }
-	*x = Version{}
+func (m *Version) String() string { return proto.CompactTextString(m) }
-	if protoimpl.UnsafeEnabled {
+func (*Version) ProtoMessage()    {}
-		mi := &file_extensions_extension_proto_msgTypes[0]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *Version) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*Version) ProtoMessage() {}
-
-func (x *Version) ProtoReflect() protoreflect.Message {
-	mi := &file_extensions_extension_proto_msgTypes[0]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use Version.ProtoReflect.Descriptor instead.
 func (*Version) Descriptor() ([]byte, []int) {
-	return file_extensions_extension_proto_rawDescGZIP(), []int{0}
+	return fileDescriptor_661e47e790f76671, []int{0}
 }
 
-func (x *Version) GetMajor() int32 {
+func (m *Version) XXX_Unmarshal(b []byte) error {
-	if x != nil {
+	return xxx_messageInfo_Version.Unmarshal(m, b)
-		return x.Major
+}
+func (m *Version) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Version.Marshal(b, m, deterministic)
+}
+func (m *Version) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Version.Merge(m, src)
+}
+func (m *Version) XXX_Size() int {
+	return xxx_messageInfo_Version.Size(m)
+}
+func (m *Version) XXX_DiscardUnknown() {
+	xxx_messageInfo_Version.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Version proto.InternalMessageInfo
+
+func (m *Version) GetMajor() int32 {
+	if m != nil {
+		return m.Major
 	}
 	return 0
 }
 
-func (x *Version) GetMinor() int32 {
+func (m *Version) GetMinor() int32 {
-	if x != nil {
+	if m != nil {
-		return x.Minor
+		return m.Minor
 	}
 	return 0
 }
 
-func (x *Version) GetPatch() int32 {
+func (m *Version) GetPatch() int32 {
-	if x != nil {
+	if m != nil {
-		return x.Patch
+		return m.Patch
 	}
 	return 0
 }
 
-func (x *Version) GetSuffix() string {
+func (m *Version) GetSuffix() string {
-	if x != nil {
+	if m != nil {
-		return x.Suffix
+		return m.Suffix
 	}
 	return ""
 }
 
 // An encoded Request is written to the ExtensionHandler's stdin.
 type ExtensionHandlerRequest struct {
-	state         protoimpl.MessageState
+	// The OpenAPI descriptions that were explicitly listed on the command line.
-	sizeCache     protoimpl.SizeCache
+	// The specifications will appear in the order they are specified to gnostic.
-	unknownFields protoimpl.UnknownFields
-
-	// The extension to process.
 	Wrapper *Wrapper `protobuf:"bytes,1,opt,name=wrapper,proto3" json:"wrapper,omitempty"`
-	// The version number of Gnostic.
+	// The version number of openapi compiler.
-	CompilerVersion *Version `protobuf:"bytes,2,opt,name=compiler_version,json=compilerVersion,proto3" json:"compiler_version,omitempty"`
+	CompilerVersion      *Version `protobuf:"bytes,3,opt,name=compiler_version,json=compilerVersion,proto3" json:"compiler_version,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
-func (x *ExtensionHandlerRequest) Reset() {
+func (m *ExtensionHandlerRequest) Reset()         { *m = ExtensionHandlerRequest{} }
-	*x = ExtensionHandlerRequest{}
+func (m *ExtensionHandlerRequest) String() string { return proto.CompactTextString(m) }
-	if protoimpl.UnsafeEnabled {
+func (*ExtensionHandlerRequest) ProtoMessage()    {}
-		mi := &file_extensions_extension_proto_msgTypes[1]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *ExtensionHandlerRequest) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*ExtensionHandlerRequest) ProtoMessage() {}
-
-func (x *ExtensionHandlerRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_extensions_extension_proto_msgTypes[1]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use ExtensionHandlerRequest.ProtoReflect.Descriptor instead.
 func (*ExtensionHandlerRequest) Descriptor() ([]byte, []int) {
-	return file_extensions_extension_proto_rawDescGZIP(), []int{1}
+	return fileDescriptor_661e47e790f76671, []int{1}
 }
 
-func (x *ExtensionHandlerRequest) GetWrapper() *Wrapper {
+func (m *ExtensionHandlerRequest) XXX_Unmarshal(b []byte) error {
-	if x != nil {
+	return xxx_messageInfo_ExtensionHandlerRequest.Unmarshal(m, b)
-		return x.Wrapper
+}
+func (m *ExtensionHandlerRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ExtensionHandlerRequest.Marshal(b, m, deterministic)
+}
+func (m *ExtensionHandlerRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ExtensionHandlerRequest.Merge(m, src)
+}
+func (m *ExtensionHandlerRequest) XXX_Size() int {
+	return xxx_messageInfo_ExtensionHandlerRequest.Size(m)
+}
+func (m *ExtensionHandlerRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_ExtensionHandlerRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ExtensionHandlerRequest proto.InternalMessageInfo
+
+func (m *ExtensionHandlerRequest) GetWrapper() *Wrapper {
+	if m != nil {
+		return m.Wrapper
 	}
 	return nil
 }
 
-func (x *ExtensionHandlerRequest) GetCompilerVersion() *Version {
+func (m *ExtensionHandlerRequest) GetCompilerVersion() *Version {
-	if x != nil {
+	if m != nil {
-		return x.CompilerVersion
+		return m.CompilerVersion
 	}
 	return nil
 }
 
 // The extensions writes an encoded ExtensionHandlerResponse to stdout.
 type ExtensionHandlerResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
 	// true if the extension is handled by the extension handler; false otherwise
 	Handled bool `protobuf:"varint,1,opt,name=handled,proto3" json:"handled,omitempty"`
-	// Error message(s).  If non-empty, the extension handling failed.
+	// Error message.  If non-empty, the extension handling failed.
 	// The extension handler process should exit with status code zero
 	// even if it reports an error in this way.
 	//
@@ -189,277 +151,150 @@ type ExtensionHandlerResponse struct {
 	// itself -- such as the input Document being unparseable -- should be
 	// reported by writing a message to stderr and exiting with a non-zero
 	// status code.
-	Errors []string `protobuf:"bytes,2,rep,name=errors,proto3" json:"errors,omitempty"`
+	Error []string `protobuf:"bytes,2,rep,name=error,proto3" json:"error,omitempty"`
 	// text output
-	Value *any.Any `protobuf:"bytes,3,opt,name=value,proto3" json:"value,omitempty"`
+	Value                *any.Any `protobuf:"bytes,3,opt,name=value,proto3" json:"value,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
-func (x *ExtensionHandlerResponse) Reset() {
+func (m *ExtensionHandlerResponse) Reset()         { *m = ExtensionHandlerResponse{} }
-	*x = ExtensionHandlerResponse{}
+func (m *ExtensionHandlerResponse) String() string { return proto.CompactTextString(m) }
-	if protoimpl.UnsafeEnabled {
+func (*ExtensionHandlerResponse) ProtoMessage()    {}
-		mi := &file_extensions_extension_proto_msgTypes[2]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *ExtensionHandlerResponse) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*ExtensionHandlerResponse) ProtoMessage() {}
-
-func (x *ExtensionHandlerResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_extensions_extension_proto_msgTypes[2]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use ExtensionHandlerResponse.ProtoReflect.Descriptor instead.
 func (*ExtensionHandlerResponse) Descriptor() ([]byte, []int) {
-	return file_extensions_extension_proto_rawDescGZIP(), []int{2}
+	return fileDescriptor_661e47e790f76671, []int{2}
 }
 
-func (x *ExtensionHandlerResponse) GetHandled() bool {
+func (m *ExtensionHandlerResponse) XXX_Unmarshal(b []byte) error {
-	if x != nil {
+	return xxx_messageInfo_ExtensionHandlerResponse.Unmarshal(m, b)
-		return x.Handled
+}
+func (m *ExtensionHandlerResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ExtensionHandlerResponse.Marshal(b, m, deterministic)
+}
+func (m *ExtensionHandlerResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ExtensionHandlerResponse.Merge(m, src)
+}
+func (m *ExtensionHandlerResponse) XXX_Size() int {
+	return xxx_messageInfo_ExtensionHandlerResponse.Size(m)
+}
+func (m *ExtensionHandlerResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_ExtensionHandlerResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ExtensionHandlerResponse proto.InternalMessageInfo
+
+func (m *ExtensionHandlerResponse) GetHandled() bool {
+	if m != nil {
+		return m.Handled
 	}
 	return false
 }
 
-func (x *ExtensionHandlerResponse) GetErrors() []string {
+func (m *ExtensionHandlerResponse) GetError() []string {
-	if x != nil {
+	if m != nil {
-		return x.Errors
+		return m.Error
 	}
 	return nil
 }
 
-func (x *ExtensionHandlerResponse) GetValue() *any.Any {
+func (m *ExtensionHandlerResponse) GetValue() *any.Any {
-	if x != nil {
+	if m != nil {
-		return x.Value
+		return m.Value
 	}
 	return nil
 }
 
 type Wrapper struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
 	// version of the OpenAPI specification in which this extension was written.
 	Version string `protobuf:"bytes,1,opt,name=version,proto3" json:"version,omitempty"`
-	// Name of the extension.
+	// Name of the extension
 	ExtensionName string `protobuf:"bytes,2,opt,name=extension_name,json=extensionName,proto3" json:"extension_name,omitempty"`
-	// YAML-formatted extension value.
+	// Must be a valid yaml for the proto
-	Yaml string `protobuf:"bytes,3,opt,name=yaml,proto3" json:"yaml,omitempty"`
+	Yaml                 string   `protobuf:"bytes,3,opt,name=yaml,proto3" json:"yaml,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
-func (x *Wrapper) Reset() {
+func (m *Wrapper) Reset()         { *m = Wrapper{} }
-	*x = Wrapper{}
+func (m *Wrapper) String() string { return proto.CompactTextString(m) }
-	if protoimpl.UnsafeEnabled {
+func (*Wrapper) ProtoMessage()    {}
-		mi := &file_extensions_extension_proto_msgTypes[3]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *Wrapper) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*Wrapper) ProtoMessage() {}
-
-func (x *Wrapper) ProtoReflect() protoreflect.Message {
-	mi := &file_extensions_extension_proto_msgTypes[3]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use Wrapper.ProtoReflect.Descriptor instead.
 func (*Wrapper) Descriptor() ([]byte, []int) {
-	return file_extensions_extension_proto_rawDescGZIP(), []int{3}
+	return fileDescriptor_661e47e790f76671, []int{3}
 }
 
-func (x *Wrapper) GetVersion() string {
+func (m *Wrapper) XXX_Unmarshal(b []byte) error {
-	if x != nil {
+	return xxx_messageInfo_Wrapper.Unmarshal(m, b)
-		return x.Version
+}
+func (m *Wrapper) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Wrapper.Marshal(b, m, deterministic)
+}
+func (m *Wrapper) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Wrapper.Merge(m, src)
+}
+func (m *Wrapper) XXX_Size() int {
+	return xxx_messageInfo_Wrapper.Size(m)
+}
+func (m *Wrapper) XXX_DiscardUnknown() {
+	xxx_messageInfo_Wrapper.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Wrapper proto.InternalMessageInfo
+
+func (m *Wrapper) GetVersion() string {
+	if m != nil {
+		return m.Version
 	}
 	return ""
 }
 
-func (x *Wrapper) GetExtensionName() string {
+func (m *Wrapper) GetExtensionName() string {
-	if x != nil {
+	if m != nil {
-		return x.ExtensionName
+		return m.ExtensionName
 	}
 	return ""
 }
 
-func (x *Wrapper) GetYaml() string {
+func (m *Wrapper) GetYaml() string {
-	if x != nil {
+	if m != nil {
-		return x.Yaml
+		return m.Yaml
 	}
 	return ""
 }
 
-var File_extensions_extension_proto protoreflect.FileDescriptor
+func init() {
-
+	proto.RegisterType((*Version)(nil), "openapiextension.v1.Version")
-var file_extensions_extension_proto_rawDesc = []byte{
+	proto.RegisterType((*ExtensionHandlerRequest)(nil), "openapiextension.v1.ExtensionHandlerRequest")
-	0x0a, 0x1a, 0x65, 0x78, 0x74, 0x65, 0x6e, 0x73, 0x69, 0x6f, 0x6e, 0x73, 0x2f, 0x65, 0x78, 0x74,
+	proto.RegisterType((*ExtensionHandlerResponse)(nil), "openapiextension.v1.ExtensionHandlerResponse")
-	0x65, 0x6e, 0x73, 0x69, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x14, 0x67, 0x6e,
+	proto.RegisterType((*Wrapper)(nil), "openapiextension.v1.Wrapper")
-	0x6f, 0x73, 0x74, 0x69, 0x63, 0x2e, 0x65, 0x78, 0x74, 0x65, 0x6e, 0x73, 0x69, 0x6f, 0x6e, 0x2e,
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 }
 
-var (
+func init() { proto.RegisterFile("extensions/extension.proto", fileDescriptor_661e47e790f76671) }
-	file_extensions_extension_proto_rawDescOnce sync.Once
-	file_extensions_extension_proto_rawDescData = file_extensions_extension_proto_rawDesc
-)
 
-func file_extensions_extension_proto_rawDescGZIP() []byte {
+var fileDescriptor_661e47e790f76671 = []byte{
-	file_extensions_extension_proto_rawDescOnce.Do(func() {
+	// 360 bytes of a gzipped FileDescriptorProto
-		file_extensions_extension_proto_rawDescData = protoimpl.X.CompressGZIP(file_extensions_extension_proto_rawDescData)
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x74, 0x91, 0xdf, 0x4b, 0xeb, 0x30,
-	})
+	0x1c, 0xc5, 0xe9, 0x7e, 0xf5, 0xee, 0x7b, 0xb9, 0xbb, 0x12, 0x87, 0xd6, 0xe1, 0x83, 0x14, 0x04,
-	return file_extensions_extension_proto_rawDescData
+	0x11, 0xe9, 0x98, 0x82, 0xef, 0x1b, 0x0c, 0xf5, 0xc5, 0x8d, 0x3c, 0xcc, 0x37, 0x47, 0xd6, 0x65,
-}
+	0x5d, 0xa5, 0x4d, 0x62, 0xfa, 0xc3, 0xed, 0x5f, 0xf1, 0xd1, 0xbf, 0xd4, 0x34, 0x69, 0xeb, 0x83,
-
+	0xfa, 0x96, 0xf3, 0xe1, 0x34, 0x39, 0xe7, 0x14, 0x06, 0x74, 0x97, 0x52, 0x96, 0x84, 0x9c, 0x25,
-var file_extensions_extension_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+	0xc3, 0xfa, 0xe8, 0x09, 0xc9, 0x53, 0x8e, 0x0e, 0xb9, 0xa0, 0x8c, 0x88, 0xf0, 0x8b, 0xe7, 0xa3,
-var file_extensions_extension_proto_goTypes = []interface{}{
+	0xc1, 0x49, 0xc0, 0x79, 0x10, 0xd1, 0xa1, 0xb6, 0xac, 0xb2, 0xcd, 0x90, 0xb0, 0xbd, 0xf1, 0xbb,
-	(*Version)(nil),                  // 0: gnostic.extension.v1.Version
+	0x3e, 0xd8, 0x0b, 0x2a, 0x0b, 0x23, 0xea, 0x43, 0x3b, 0x26, 0x2f, 0x5c, 0x3a, 0xd6, 0x99, 0x75,
-	(*ExtensionHandlerRequest)(nil),  // 1: gnostic.extension.v1.ExtensionHandlerRequest
+	0xd1, 0xc6, 0x46, 0x68, 0x1a, 0x32, 0x45, 0x1b, 0x25, 0x2d, 0x44, 0x41, 0x05, 0x49, 0xfd, 0xad,
-	(*ExtensionHandlerResponse)(nil), // 2: gnostic.extension.v1.ExtensionHandlerResponse
+	0xd3, 0x34, 0x54, 0x0b, 0x74, 0x04, 0x9d, 0x24, 0xdb, 0x6c, 0xc2, 0x9d, 0xd3, 0x52, 0xb8, 0x8b,
-	(*Wrapper)(nil),                  // 3: gnostic.extension.v1.Wrapper
+	0x4b, 0xe5, 0xbe, 0x5b, 0x70, 0x3c, 0xad, 0x02, 0xdd, 0x13, 0xb6, 0x8e, 0xa8, 0xc4, 0xf4, 0x35,
-	(*any.Any)(nil),                  // 4: google.protobuf.Any
+	0xa3, 0x49, 0x8a, 0x6e, 0xc1, 0x7e, 0x93, 0x44, 0x08, 0x6a, 0xde, 0xfd, 0x7b, 0x7d, 0xea, 0xfd,
-}
+	0x50, 0xc1, 0x7b, 0x32, 0x1e, 0x5c, 0x99, 0xd1, 0x1d, 0x1c, 0xf8, 0x3c, 0x16, 0xa1, 0xba, 0x6a,
-var file_extensions_extension_proto_depIdxs = []int32{
+	0x99, 0x9b, 0x06, 0x3a, 0xcc, 0x6f, 0x17, 0x94, 0x2d, 0xf1, 0xff, 0xea, 0xab, 0x12, 0xb8, 0x39,
-	3, // 0: gnostic.extension.v1.ExtensionHandlerRequest.wrapper:type_name -> gnostic.extension.v1.Wrapper
+	0x38, 0xdf, 0xb3, 0x25, 0x42, 0x8d, 0x4b, 0x91, 0x03, 0xf6, 0x56, 0xa3, 0xb5, 0x0e, 0xf7, 0x07,
-	0, // 1: gnostic.extension.v1.ExtensionHandlerRequest.compiler_version:type_name -> gnostic.extension.v1.Version
+	0x57, 0xb2, 0x18, 0x80, 0x4a, 0xa9, 0x67, 0x69, 0xaa, 0xa6, 0x46, 0xa0, 0x4b, 0x68, 0xe7, 0x24,
-	4, // 2: gnostic.extension.v1.ExtensionHandlerResponse.value:type_name -> google.protobuf.Any
+	0xca, 0x68, 0x99, 0xa4, 0xef, 0x99, 0xe1, 0xbd, 0x6a, 0x78, 0x6f, 0xcc, 0xf6, 0xd8, 0x58, 0xdc,
-	3, // [3:3] is the sub-list for method output_type
+	0x67, 0xb0, 0xcb, 0x52, 0xc5, 0x33, 0x55, 0x05, 0x4b, 0x0f, 0x57, 0x49, 0x74, 0x0e, 0xbd, 0xba,
-	3, // [3:3] is the sub-list for method input_type
+	0xc5, 0x92, 0x91, 0x98, 0xea, 0xdf, 0xd0, 0xc5, 0xff, 0x6a, 0xfa, 0xa8, 0x20, 0x42, 0xd0, 0xda,
-	3, // [3:3] is the sub-list for extension type_name
+	0x93, 0x38, 0xd2, 0xcf, 0x76, 0xb1, 0x3e, 0x4f, 0xae, 0xa0, 0xc7, 0x65, 0xe0, 0x05, 0x8c, 0x27,
-	3, // [3:3] is the sub-list for extension extendee
+	0x69, 0xe8, 0xab, 0x09, 0x26, 0x68, 0xa6, 0x76, 0x19, 0xcf, 0x1f, 0xea, 0xba, 0x8b, 0xd1, 0xdc,
-	0, // [0:3] is the sub-list for field type_name
+	0xfa, 0x68, 0x34, 0x67, 0xe3, 0xe9, 0xaa, 0xa3, 0x23, 0xde, 0x7c, 0x06, 0x00, 0x00, 0xff, 0xff,
-}
+	0xeb, 0xf3, 0xfa, 0x65, 0x5c, 0x02, 0x00, 0x00,
-
-func init() { file_extensions_extension_proto_init() }
-func file_extensions_extension_proto_init() {
-	if File_extensions_extension_proto != nil {
-		return
-	}
-	if !protoimpl.UnsafeEnabled {
-		file_extensions_extension_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Version); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_extensions_extension_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ExtensionHandlerRequest); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_extensions_extension_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ExtensionHandlerResponse); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_extensions_extension_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Wrapper); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-	}
-	type x struct{}
-	out := protoimpl.TypeBuilder{
-		File: protoimpl.DescBuilder{
-			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_extensions_extension_proto_rawDesc,
-			NumEnums:      0,
-			NumMessages:   4,
-			NumExtensions: 0,
-			NumServices:   0,
-		},
-		GoTypes:           file_extensions_extension_proto_goTypes,
-		DependencyIndexes: file_extensions_extension_proto_depIdxs,
-		MessageInfos:      file_extensions_extension_proto_msgTypes,
-	}.Build()
-	File_extensions_extension_proto = out.File
-	file_extensions_extension_proto_rawDesc = nil
-	file_extensions_extension_proto_goTypes = nil
-	file_extensions_extension_proto_depIdxs = nil
 }

vendor/github.com/googleapis/gnostic/extensions/extension.proto

@@ -1,4 +1,4 @@
-// Copyright 2017 Google LLC. All Rights Reserved.
+// Copyright 2017 Google Inc. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -14,9 +14,8 @@
 
 syntax = "proto3";
 
-package gnostic.extension.v1;
-
 import "google/protobuf/any.proto";
+package openapiextension.v1;
 
 // This option lets the proto compiler generate Java code inside the package
 // name (see below) instead of inside an outer class. It creates a simpler
@@ -27,7 +26,7 @@ option java_multiple_files = true;
 // The Java outer classname should be the filename in UpperCamelCase. This
 // class is only used to hold proto descriptor, so developers don't need to
 // work with it directly.
-option java_outer_classname = "GnosticExtension";
+option java_outer_classname = "OpenAPIExtensionV1";
 
 // The Java package name must be proto package name with proper prefix.
 option java_package = "org.gnostic.v1";
@@ -38,12 +37,9 @@ option java_package = "org.gnostic.v1";
 // hopefully unique enough to not conflict with things that may come along in
 // the future. 'GPB' is reserved for the protocol buffer implementation itself.
 //
-option objc_class_prefix = "GNX"; // "Gnostic Extension"
+option objc_class_prefix = "OAE"; // "OpenAPI Extension"
 
-// The Go package name.
+// The version number of OpenAPI compiler.
-option go_package = "extensions;gnostic_extension_v1";
-
-// The version number of Gnostic.
 message Version {
   int32 major = 1;
   int32 minor = 2;
@@ -56,11 +52,12 @@ message Version {
 // An encoded Request is written to the ExtensionHandler's stdin.
 message ExtensionHandlerRequest {
 
-  // The extension to process.
+  // The OpenAPI descriptions that were explicitly listed on the command line.
+  // The specifications will appear in the order they are specified to gnostic.
   Wrapper wrapper = 1;
 
-  // The version number of Gnostic.
+  // The version number of openapi compiler.
-  Version compiler_version = 2;
+  Version compiler_version = 3;
 }
 
 // The extensions writes an encoded ExtensionHandlerResponse to stdout.
@@ -69,7 +66,7 @@ message ExtensionHandlerResponse {
   // true if the extension is handled by the extension handler; false otherwise
   bool handled = 1;
 
-  // Error message(s).  If non-empty, the extension handling failed.
+  // Error message.  If non-empty, the extension handling failed.
   // The extension handler process should exit with status code zero
   // even if it reports an error in this way.
   //
@@ -78,7 +75,7 @@ message ExtensionHandlerResponse {
   // itself -- such as the input Document being unparseable -- should be
   // reported by writing a message to stderr and exiting with a non-zero
   // status code.
-  repeated string errors = 2;
+  repeated string error = 2;
 
   // text output
   google.protobuf.Any value = 3;
@@ -88,9 +85,9 @@ message Wrapper {
   // version of the OpenAPI specification in which this extension was written.
   string version = 1;
 
-  // Name of the extension.
+  // Name of the extension
   string extension_name = 2;
 
-  // YAML-formatted extension value.
+  // Must be a valid yaml for the proto
   string yaml = 3;
 }

vendor/github.com/googleapis/gnostic/extensions/extensions.go

@@ -1,4 +1,4 @@
-// Copyright 2017 Google LLC. All Rights Reserved.
+// Copyright 2017 Google Inc. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,53 +12,71 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package gnostic_extension_v1
+package openapiextension_v1
 
 import (
+	"fmt"
 	"io/ioutil"
-	"log"
 	"os"
 
 	"github.com/golang/protobuf/proto"
 	"github.com/golang/protobuf/ptypes"
 )
 
+type documentHandler func(version string, extensionName string, document string)
 type extensionHandler func(name string, yamlInput string) (bool, proto.Message, error)
 
-// Main implements the main program of an extension handler.
+func forInputYamlFromOpenapic(handler documentHandler) {
-func Main(handler extensionHandler) {
-	// unpack the request
 	data, err := ioutil.ReadAll(os.Stdin)
 	if err != nil {
-		log.Println("File error:", err.Error())
+		fmt.Println("File error:", err.Error())
 		os.Exit(1)
 	}
 	if len(data) == 0 {
-		log.Println("No input data.")
+		fmt.Println("No input data.")
 		os.Exit(1)
 	}
 	request := &ExtensionHandlerRequest{}
 	err = proto.Unmarshal(data, request)
 	if err != nil {
-		log.Println("Input error:", err.Error())
+		fmt.Println("Input error:", err.Error())
 		os.Exit(1)
 	}
-	// call the handler
+	handler(request.Wrapper.Version, request.Wrapper.ExtensionName, request.Wrapper.Yaml)
-	handled, output, err := handler(request.Wrapper.ExtensionName, request.Wrapper.Yaml)
+}
-	// respond with the output of the handler
+
-	response := &ExtensionHandlerResponse{
+// ProcessExtension calles the handler for a specified extension.
-		Handled: false, // default assumption
+func ProcessExtension(handleExtension extensionHandler) {
-		Errors:  make([]string, 0),
+	response := &ExtensionHandlerResponse{}
-	}
+	forInputYamlFromOpenapic(
-	if err != nil {
+		func(version string, extensionName string, yamlInput string) {
-		response.Errors = append(response.Errors, err.Error())
+			var newObject proto.Message
-	} else if handled {
+			var err error
-		response.Handled = true
+
-		response.Value, err = ptypes.MarshalAny(output)
+			handled, newObject, err := handleExtension(extensionName, yamlInput)
-		if err != nil {
+			if !handled {
-			response.Errors = append(response.Errors, err.Error())
+				responseBytes, _ := proto.Marshal(response)
-		}
+				os.Stdout.Write(responseBytes)
-	}
+				os.Exit(0)
+			}
+
+			// If we reach here, then the extension is handled
+			response.Handled = true
+			if err != nil {
+				response.Error = append(response.Error, err.Error())
+				responseBytes, _ := proto.Marshal(response)
+				os.Stdout.Write(responseBytes)
+				os.Exit(0)
+			}
+			response.Value, err = ptypes.MarshalAny(newObject)
+			if err != nil {
+				response.Error = append(response.Error, err.Error())
+				responseBytes, _ := proto.Marshal(response)
+				os.Stdout.Write(responseBytes)
+				os.Exit(0)
+			}
+		})
+
 	responseBytes, _ := proto.Marshal(response)
 	os.Stdout.Write(responseBytes)
 }

vendor/github.com/googleapis/gnostic/jsonschema/README.md

@@ -1,4 +0,0 @@
-# jsonschema
-
-This directory contains code for reading, writing, and manipulating JSON
-schemas.

vendor/github.com/googleapis/gnostic/jsonschema/base.go

@@ -1,84 +0,0 @@
-
-// THIS FILE IS AUTOMATICALLY GENERATED.
-
-package jsonschema
-
-import (
-	"encoding/base64"
-)
-
-func baseSchemaBytes() ([]byte, error){
-	return base64.StdEncoding.DecodeString(
-`ewogICAgImlkIjogImh0dHA6Ly9qc29uLXNjaGVtYS5vcmcvZHJhZnQtMDQvc2NoZW1hIyIsCiAgICAi
-JHNjaGVtYSI6ICJodHRwOi8vanNvbi1zY2hlbWEub3JnL2RyYWZ0LTA0L3NjaGVtYSMiLAogICAgImRl
-c2NyaXB0aW9uIjogIkNvcmUgc2NoZW1hIG1ldGEtc2NoZW1hIiwKICAgICJkZWZpbml0aW9ucyI6IHsK
-ICAgICAgICAic2NoZW1hQXJyYXkiOiB7CiAgICAgICAgICAgICJ0eXBlIjogImFycmF5IiwKICAgICAg
-ICAgICAgIm1pbkl0ZW1zIjogMSwKICAgICAgICAgICAgIml0ZW1zIjogeyAiJHJlZiI6ICIjIiB9CiAg
-ICAgICAgfSwKICAgICAgICAicG9zaXRpdmVJbnRlZ2VyIjogewogICAgICAgICAgICAidHlwZSI6ICJp
-bnRlZ2VyIiwKICAgICAgICAgICAgIm1pbmltdW0iOiAwCiAgICAgICAgfSwKICAgICAgICAicG9zaXRp
-dmVJbnRlZ2VyRGVmYXVsdDAiOiB7CiAgICAgICAgICAgICJhbGxPZiI6IFsgeyAiJHJlZiI6ICIjL2Rl
-ZmluaXRpb25zL3Bvc2l0aXZlSW50ZWdlciIgfSwgeyAiZGVmYXVsdCI6IDAgfSBdCiAgICAgICAgfSwK
-ICAgICAgICAic2ltcGxlVHlwZXMiOiB7CiAgICAgICAgICAgICJlbnVtIjogWyAiYXJyYXkiLCAiYm9v
-bGVhbiIsICJpbnRlZ2VyIiwgIm51bGwiLCAibnVtYmVyIiwgIm9iamVjdCIsICJzdHJpbmciIF0KICAg
-ICAgICB9LAogICAgICAgICJzdHJpbmdBcnJheSI6IHsKICAgICAgICAgICAgInR5cGUiOiAiYXJyYXki
-LAogICAgICAgICAgICAiaXRlbXMiOiB7ICJ0eXBlIjogInN0cmluZyIgfSwKICAgICAgICAgICAgIm1p
-bkl0ZW1zIjogMSwKICAgICAgICAgICAgInVuaXF1ZUl0ZW1zIjogdHJ1ZQogICAgICAgIH0KICAgIH0s
-CiAgICAidHlwZSI6ICJvYmplY3QiLAogICAgInByb3BlcnRpZXMiOiB7CiAgICAgICAgImlkIjogewog
-ICAgICAgICAgICAidHlwZSI6ICJzdHJpbmciLAogICAgICAgICAgICAiZm9ybWF0IjogInVyaSIKICAg
-ICAgICB9LAogICAgICAgICIkc2NoZW1hIjogewogICAgICAgICAgICAidHlwZSI6ICJzdHJpbmciLAog
-ICAgICAgICAgICAiZm9ybWF0IjogInVyaSIKICAgICAgICB9LAogICAgICAgICJ0aXRsZSI6IHsKICAg
-ICAgICAgICAgInR5cGUiOiAic3RyaW5nIgogICAgICAgIH0sCiAgICAgICAgImRlc2NyaXB0aW9uIjog
-ewogICAgICAgICAgICAidHlwZSI6ICJzdHJpbmciCiAgICAgICAgfSwKICAgICAgICAiZGVmYXVsdCI6
-IHt9LAogICAgICAgICJtdWx0aXBsZU9mIjogewogICAgICAgICAgICAidHlwZSI6ICJudW1iZXIiLAog
-ICAgICAgICAgICAibWluaW11bSI6IDAsCiAgICAgICAgICAgICJleGNsdXNpdmVNaW5pbXVtIjogdHJ1
-ZQogICAgICAgIH0sCiAgICAgICAgIm1heGltdW0iOiB7CiAgICAgICAgICAgICJ0eXBlIjogIm51bWJl
-ciIKICAgICAgICB9LAogICAgICAgICJleGNsdXNpdmVNYXhpbXVtIjogewogICAgICAgICAgICAidHlw
-ZSI6ICJib29sZWFuIiwKICAgICAgICAgICAgImRlZmF1bHQiOiBmYWxzZQogICAgICAgIH0sCiAgICAg
-ICAgIm1pbmltdW0iOiB7CiAgICAgICAgICAgICJ0eXBlIjogIm51bWJlciIKICAgICAgICB9LAogICAg
-ICAgICJleGNsdXNpdmVNaW5pbXVtIjogewogICAgICAgICAgICAidHlwZSI6ICJib29sZWFuIiwKICAg
-ICAgICAgICAgImRlZmF1bHQiOiBmYWxzZQogICAgICAgIH0sCiAgICAgICAgIm1heExlbmd0aCI6IHsg
-IiRyZWYiOiAiIy9kZWZpbml0aW9ucy9wb3NpdGl2ZUludGVnZXIiIH0sCiAgICAgICAgIm1pbkxlbmd0
-aCI6IHsgIiRyZWYiOiAiIy9kZWZpbml0aW9ucy9wb3NpdGl2ZUludGVnZXJEZWZhdWx0MCIgfSwKICAg
-ICAgICAicGF0dGVybiI6IHsKICAgICAgICAgICAgInR5cGUiOiAic3RyaW5nIiwKICAgICAgICAgICAg
-ImZvcm1hdCI6ICJyZWdleCIKICAgICAgICB9LAogICAgICAgICJhZGRpdGlvbmFsSXRlbXMiOiB7CiAg
-ICAgICAgICAgICJhbnlPZiI6IFsKICAgICAgICAgICAgICAgIHsgInR5cGUiOiAiYm9vbGVhbiIgfSwK
-ICAgICAgICAgICAgICAgIHsgIiRyZWYiOiAiIyIgfQogICAgICAgICAgICBdLAogICAgICAgICAgICAi
-ZGVmYXVsdCI6IHt9CiAgICAgICAgfSwKICAgICAgICAiaXRlbXMiOiB7CiAgICAgICAgICAgICJhbnlP
-ZiI6IFsKICAgICAgICAgICAgICAgIHsgIiRyZWYiOiAiIyIgfSwKICAgICAgICAgICAgICAgIHsgIiRy
-ZWYiOiAiIy9kZWZpbml0aW9ucy9zY2hlbWFBcnJheSIgfQogICAgICAgICAgICBdLAogICAgICAgICAg
-ICAiZGVmYXVsdCI6IHt9CiAgICAgICAgfSwKICAgICAgICAibWF4SXRlbXMiOiB7ICIkcmVmIjogIiMv
-ZGVmaW5pdGlvbnMvcG9zaXRpdmVJbnRlZ2VyIiB9LAogICAgICAgICJtaW5JdGVtcyI6IHsgIiRyZWYi
-OiAiIy9kZWZpbml0aW9ucy9wb3NpdGl2ZUludGVnZXJEZWZhdWx0MCIgfSwKICAgICAgICAidW5pcXVl
-SXRlbXMiOiB7CiAgICAgICAgICAgICJ0eXBlIjogImJvb2xlYW4iLAogICAgICAgICAgICAiZGVmYXVs
-dCI6IGZhbHNlCiAgICAgICAgfSwKICAgICAgICAibWF4UHJvcGVydGllcyI6IHsgIiRyZWYiOiAiIy9k
-ZWZpbml0aW9ucy9wb3NpdGl2ZUludGVnZXIiIH0sCiAgICAgICAgIm1pblByb3BlcnRpZXMiOiB7ICIk
-cmVmIjogIiMvZGVmaW5pdGlvbnMvcG9zaXRpdmVJbnRlZ2VyRGVmYXVsdDAiIH0sCiAgICAgICAgInJl
-cXVpcmVkIjogeyAiJHJlZiI6ICIjL2RlZmluaXRpb25zL3N0cmluZ0FycmF5IiB9LAogICAgICAgICJh
-ZGRpdGlvbmFsUHJvcGVydGllcyI6IHsKICAgICAgICAgICAgImFueU9mIjogWwogICAgICAgICAgICAg
-ICAgeyAidHlwZSI6ICJib29sZWFuIiB9LAogICAgICAgICAgICAgICAgeyAiJHJlZiI6ICIjIiB9CiAg
-ICAgICAgICAgIF0sCiAgICAgICAgICAgICJkZWZhdWx0Ijoge30KICAgICAgICB9LAogICAgICAgICJk
-ZWZpbml0aW9ucyI6IHsKICAgICAgICAgICAgInR5cGUiOiAib2JqZWN0IiwKICAgICAgICAgICAgImFk
-ZGl0aW9uYWxQcm9wZXJ0aWVzIjogeyAiJHJlZiI6ICIjIiB9LAogICAgICAgICAgICAiZGVmYXVsdCI6
-IHt9CiAgICAgICAgfSwKICAgICAgICAicHJvcGVydGllcyI6IHsKICAgICAgICAgICAgInR5cGUiOiAi
-b2JqZWN0IiwKICAgICAgICAgICAgImFkZGl0aW9uYWxQcm9wZXJ0aWVzIjogeyAiJHJlZiI6ICIjIiB9
-LAogICAgICAgICAgICAiZGVmYXVsdCI6IHt9CiAgICAgICAgfSwKICAgICAgICAicGF0dGVyblByb3Bl
-cnRpZXMiOiB7CiAgICAgICAgICAgICJ0eXBlIjogIm9iamVjdCIsCiAgICAgICAgICAgICJhZGRpdGlv
-bmFsUHJvcGVydGllcyI6IHsgIiRyZWYiOiAiIyIgfSwKICAgICAgICAgICAgImRlZmF1bHQiOiB7fQog
-ICAgICAgIH0sCiAgICAgICAgImRlcGVuZGVuY2llcyI6IHsKICAgICAgICAgICAgInR5cGUiOiAib2Jq
-ZWN0IiwKICAgICAgICAgICAgImFkZGl0aW9uYWxQcm9wZXJ0aWVzIjogewogICAgICAgICAgICAgICAg
-ImFueU9mIjogWwogICAgICAgICAgICAgICAgICAgIHsgIiRyZWYiOiAiIyIgfSwKICAgICAgICAgICAg
-ICAgICAgICB7ICIkcmVmIjogIiMvZGVmaW5pdGlvbnMvc3RyaW5nQXJyYXkiIH0KICAgICAgICAgICAg
-ICAgIF0KICAgICAgICAgICAgfQogICAgICAgIH0sCiAgICAgICAgImVudW0iOiB7CiAgICAgICAgICAg
-ICJ0eXBlIjogImFycmF5IiwKICAgICAgICAgICAgIm1pbkl0ZW1zIjogMSwKICAgICAgICAgICAgInVu
-aXF1ZUl0ZW1zIjogdHJ1ZQogICAgICAgIH0sCiAgICAgICAgInR5cGUiOiB7CiAgICAgICAgICAgICJh
-bnlPZiI6IFsKICAgICAgICAgICAgICAgIHsgIiRyZWYiOiAiIy9kZWZpbml0aW9ucy9zaW1wbGVUeXBl
-cyIgfSwKICAgICAgICAgICAgICAgIHsKICAgICAgICAgICAgICAgICAgICAidHlwZSI6ICJhcnJheSIs
-CiAgICAgICAgICAgICAgICAgICAgIml0ZW1zIjogeyAiJHJlZiI6ICIjL2RlZmluaXRpb25zL3NpbXBs
-ZVR5cGVzIiB9LAogICAgICAgICAgICAgICAgICAgICJtaW5JdGVtcyI6IDEsCiAgICAgICAgICAgICAg
-ICAgICAgInVuaXF1ZUl0ZW1zIjogdHJ1ZQogICAgICAgICAgICAgICAgfQogICAgICAgICAgICBdCiAg
-ICAgICAgfSwKICAgICAgICAiYWxsT2YiOiB7ICIkcmVmIjogIiMvZGVmaW5pdGlvbnMvc2NoZW1hQXJy
-YXkiIH0sCiAgICAgICAgImFueU9mIjogeyAiJHJlZiI6ICIjL2RlZmluaXRpb25zL3NjaGVtYUFycmF5
-IiB9LAogICAgICAgICJvbmVPZiI6IHsgIiRyZWYiOiAiIy9kZWZpbml0aW9ucy9zY2hlbWFBcnJheSIg
-fSwKICAgICAgICAibm90IjogeyAiJHJlZiI6ICIjIiB9CiAgICB9LAogICAgImRlcGVuZGVuY2llcyI6
-IHsKICAgICAgICAiZXhjbHVzaXZlTWF4aW11bSI6IFsgIm1heGltdW0iIF0sCiAgICAgICAgImV4Y2x1
-c2l2ZU1pbmltdW0iOiBbICJtaW5pbXVtIiBdCiAgICB9LAogICAgImRlZmF1bHQiOiB7fQp9Cg==`)}

vendor/github.com/googleapis/gnostic/jsonschema/display.go

@@ -1,229 +0,0 @@
-// Copyright 2017 Google LLC. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package jsonschema
-
-import (
-	"fmt"
-	"strings"
-)
-
-//
-// DISPLAY
-// The following methods display Schemas.
-//
-
-// Description returns a string representation of a string or string array.
-func (s *StringOrStringArray) Description() string {
-	if s.String != nil {
-		return *s.String
-	}
-	if s.StringArray != nil {
-		return strings.Join(*s.StringArray, ", ")
-	}
-	return ""
-}
-
-// Returns a string representation of a Schema.
-func (schema *Schema) String() string {
-	return schema.describeSchema("")
-}
-
-// Helper: Returns a string representation of a Schema indented by a specified string.
-func (schema *Schema) describeSchema(indent string) string {
-	result := ""
-	if schema.Schema != nil {
-		result += indent + "$schema: " + *(schema.Schema) + "\n"
-	}
-	if schema.ID != nil {
-		result += indent + "id: " + *(schema.ID) + "\n"
-	}
-	if schema.MultipleOf != nil {
-		result += indent + fmt.Sprintf("multipleOf: %+v\n", *(schema.MultipleOf))
-	}
-	if schema.Maximum != nil {
-		result += indent + fmt.Sprintf("maximum: %+v\n", *(schema.Maximum))
-	}
-	if schema.ExclusiveMaximum != nil {
-		result += indent + fmt.Sprintf("exclusiveMaximum: %+v\n", *(schema.ExclusiveMaximum))
-	}
-	if schema.Minimum != nil {
-		result += indent + fmt.Sprintf("minimum: %+v\n", *(schema.Minimum))
-	}
-	if schema.ExclusiveMinimum != nil {
-		result += indent + fmt.Sprintf("exclusiveMinimum: %+v\n", *(schema.ExclusiveMinimum))
-	}
-	if schema.MaxLength != nil {
-		result += indent + fmt.Sprintf("maxLength: %+v\n", *(schema.MaxLength))
-	}
-	if schema.MinLength != nil {
-		result += indent + fmt.Sprintf("minLength: %+v\n", *(schema.MinLength))
-	}
-	if schema.Pattern != nil {
-		result += indent + fmt.Sprintf("pattern: %+v\n", *(schema.Pattern))
-	}
-	if schema.AdditionalItems != nil {
-		s := schema.AdditionalItems.Schema
-		if s != nil {
-			result += indent + "additionalItems:\n"
-			result += s.describeSchema(indent + "  ")
-		} else {
-			b := *(schema.AdditionalItems.Boolean)
-			result += indent + fmt.Sprintf("additionalItems: %+v\n", b)
-		}
-	}
-	if schema.Items != nil {
-		result += indent + "items:\n"
-		items := schema.Items
-		if items.SchemaArray != nil {
-			for i, s := range *(items.SchemaArray) {
-				result += indent + "  " + fmt.Sprintf("%d", i) + ":\n"
-				result += s.describeSchema(indent + "  " + "  ")
-			}
-		} else if items.Schema != nil {
-			result += items.Schema.describeSchema(indent + "  " + "  ")
-		}
-	}
-	if schema.MaxItems != nil {
-		result += indent + fmt.Sprintf("maxItems: %+v\n", *(schema.MaxItems))
-	}
-	if schema.MinItems != nil {
-		result += indent + fmt.Sprintf("minItems: %+v\n", *(schema.MinItems))
-	}
-	if schema.UniqueItems != nil {
-		result += indent + fmt.Sprintf("uniqueItems: %+v\n", *(schema.UniqueItems))
-	}
-	if schema.MaxProperties != nil {
-		result += indent + fmt.Sprintf("maxProperties: %+v\n", *(schema.MaxProperties))
-	}
-	if schema.MinProperties != nil {
-		result += indent + fmt.Sprintf("minProperties: %+v\n", *(schema.MinProperties))
-	}
-	if schema.Required != nil {
-		result += indent + fmt.Sprintf("required: %+v\n", *(schema.Required))
-	}
-	if schema.AdditionalProperties != nil {
-		s := schema.AdditionalProperties.Schema
-		if s != nil {
-			result += indent + "additionalProperties:\n"
-			result += s.describeSchema(indent + "  ")
-		} else {
-			b := *(schema.AdditionalProperties.Boolean)
-			result += indent + fmt.Sprintf("additionalProperties: %+v\n", b)
-		}
-	}
-	if schema.Properties != nil {
-		result += indent + "properties:\n"
-		for _, pair := range *(schema.Properties) {
-			name := pair.Name
-			s := pair.Value
-			result += indent + "  " + name + ":\n"
-			result += s.describeSchema(indent + "  " + "  ")
-		}
-	}
-	if schema.PatternProperties != nil {
-		result += indent + "patternProperties:\n"
-		for _, pair := range *(schema.PatternProperties) {
-			name := pair.Name
-			s := pair.Value
-			result += indent + "  " + name + ":\n"
-			result += s.describeSchema(indent + "  " + "  ")
-		}
-	}
-	if schema.Dependencies != nil {
-		result += indent + "dependencies:\n"
-		for _, pair := range *(schema.Dependencies) {
-			name := pair.Name
-			schemaOrStringArray := pair.Value
-			s := schemaOrStringArray.Schema
-			if s != nil {
-				result += indent + "  " + name + ":\n"
-				result += s.describeSchema(indent + "  " + "  ")
-			} else {
-				a := schemaOrStringArray.StringArray
-				if a != nil {
-					result += indent + "  " + name + ":\n"
-					for _, s2 := range *a {
-						result += indent + "  " + "  " + s2 + "\n"
-					}
-				}
-			}
-
-		}
-	}
-	if schema.Enumeration != nil {
-		result += indent + "enumeration:\n"
-		for _, value := range *(schema.Enumeration) {
-			if value.String != nil {
-				result += indent + "  " + fmt.Sprintf("%+v\n", *value.String)
-			} else {
-				result += indent + "  " + fmt.Sprintf("%+v\n", *value.Bool)
-			}
-		}
-	}
-	if schema.Type != nil {
-		result += indent + fmt.Sprintf("type: %+v\n", schema.Type.Description())
-	}
-	if schema.AllOf != nil {
-		result += indent + "allOf:\n"
-		for _, s := range *(schema.AllOf) {
-			result += s.describeSchema(indent + "  ")
-			result += indent + "-\n"
-		}
-	}
-	if schema.AnyOf != nil {
-		result += indent + "anyOf:\n"
-		for _, s := range *(schema.AnyOf) {
-			result += s.describeSchema(indent + "  ")
-			result += indent + "-\n"
-		}
-	}
-	if schema.OneOf != nil {
-		result += indent + "oneOf:\n"
-		for _, s := range *(schema.OneOf) {
-			result += s.describeSchema(indent + "  ")
-			result += indent + "-\n"
-		}
-	}
-	if schema.Not != nil {
-		result += indent + "not:\n"
-		result += schema.Not.describeSchema(indent + "  ")
-	}
-	if schema.Definitions != nil {
-		result += indent + "definitions:\n"
-		for _, pair := range *(schema.Definitions) {
-			name := pair.Name
-			s := pair.Value
-			result += indent + "  " + name + ":\n"
-			result += s.describeSchema(indent + "  " + "  ")
-		}
-	}
-	if schema.Title != nil {
-		result += indent + "title: " + *(schema.Title) + "\n"
-	}
-	if schema.Description != nil {
-		result += indent + "description: " + *(schema.Description) + "\n"
-	}
-	if schema.Default != nil {
-		result += indent + "default:\n"
-		result += indent + fmt.Sprintf("  %+v\n", *(schema.Default))
-	}
-	if schema.Format != nil {
-		result += indent + "format: " + *(schema.Format) + "\n"
-	}
-	if schema.Ref != nil {
-		result += indent + "$ref: " + *(schema.Ref) + "\n"
-	}
-	return result
-}

vendor/github.com/googleapis/gnostic/jsonschema/models.go

@@ -1,228 +0,0 @@
-// Copyright 2017 Google LLC. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package jsonschema supports the reading, writing, and manipulation
-// of JSON Schemas.
-package jsonschema
-
-import "gopkg.in/yaml.v3"
-
-// The Schema struct models a JSON Schema and, because schemas are
-// defined hierarchically, contains many references to itself.
-// All fields are pointers and are nil if the associated values
-// are not specified.
-type Schema struct {
-	Schema *string // $schema
-	ID     *string // id keyword used for $ref resolution scope
-	Ref    *string // $ref, i.e. JSON Pointers
-
-	// http://json-schema.org/latest/json-schema-validation.html
-	// 5.1.  Validation keywords for numeric instances (number and integer)
-	MultipleOf       *SchemaNumber
-	Maximum          *SchemaNumber
-	ExclusiveMaximum *bool
-	Minimum          *SchemaNumber
-	ExclusiveMinimum *bool
-
-	// 5.2.  Validation keywords for strings
-	MaxLength *int64
-	MinLength *int64
-	Pattern   *string
-
-	// 5.3.  Validation keywords for arrays
-	AdditionalItems *SchemaOrBoolean
-	Items           *SchemaOrSchemaArray
-	MaxItems        *int64
-	MinItems        *int64
-	UniqueItems     *bool
-
-	// 5.4.  Validation keywords for objects
-	MaxProperties        *int64
-	MinProperties        *int64
-	Required             *[]string
-	AdditionalProperties *SchemaOrBoolean
-	Properties           *[]*NamedSchema
-	PatternProperties    *[]*NamedSchema
-	Dependencies         *[]*NamedSchemaOrStringArray
-
-	// 5.5.  Validation keywords for any instance type
-	Enumeration *[]SchemaEnumValue
-	Type        *StringOrStringArray
-	AllOf       *[]*Schema
-	AnyOf       *[]*Schema
-	OneOf       *[]*Schema
-	Not         *Schema
-	Definitions *[]*NamedSchema
-
-	// 6.  Metadata keywords
-	Title       *string
-	Description *string
-	Default     *yaml.Node
-
-	// 7.  Semantic validation with "format"
-	Format *string
-}
-
-// These helper structs represent "combination" types that generally can
-// have values of one type or another. All are used to represent parts
-// of Schemas.
-
-// SchemaNumber represents a value that can be either an Integer or a Float.
-type SchemaNumber struct {
-	Integer *int64
-	Float   *float64
-}
-
-// NewSchemaNumberWithInteger creates and returns a new object
-func NewSchemaNumberWithInteger(i int64) *SchemaNumber {
-	result := &SchemaNumber{}
-	result.Integer = &i
-	return result
-}
-
-// NewSchemaNumberWithFloat creates and returns a new object
-func NewSchemaNumberWithFloat(f float64) *SchemaNumber {
-	result := &SchemaNumber{}
-	result.Float = &f
-	return result
-}
-
-// SchemaOrBoolean represents a value that can be either a Schema or a Boolean.
-type SchemaOrBoolean struct {
-	Schema  *Schema
-	Boolean *bool
-}
-
-// NewSchemaOrBooleanWithSchema creates and returns a new object
-func NewSchemaOrBooleanWithSchema(s *Schema) *SchemaOrBoolean {
-	result := &SchemaOrBoolean{}
-	result.Schema = s
-	return result
-}
-
-// NewSchemaOrBooleanWithBoolean creates and returns a new object
-func NewSchemaOrBooleanWithBoolean(b bool) *SchemaOrBoolean {
-	result := &SchemaOrBoolean{}
-	result.Boolean = &b
-	return result
-}
-
-// StringOrStringArray represents a value that can be either
-// a String or an Array of Strings.
-type StringOrStringArray struct {
-	String      *string
-	StringArray *[]string
-}
-
-// NewStringOrStringArrayWithString creates and returns a new object
-func NewStringOrStringArrayWithString(s string) *StringOrStringArray {
-	result := &StringOrStringArray{}
-	result.String = &s
-	return result
-}
-
-// NewStringOrStringArrayWithStringArray creates and returns a new object
-func NewStringOrStringArrayWithStringArray(a []string) *StringOrStringArray {
-	result := &StringOrStringArray{}
-	result.StringArray = &a
-	return result
-}
-
-// SchemaOrStringArray represents a value that can be either
-// a Schema or an Array of Strings.
-type SchemaOrStringArray struct {
-	Schema      *Schema
-	StringArray *[]string
-}
-
-// SchemaOrSchemaArray represents a value that can be either
-// a Schema or an Array of Schemas.
-type SchemaOrSchemaArray struct {
-	Schema      *Schema
-	SchemaArray *[]*Schema
-}
-
-// NewSchemaOrSchemaArrayWithSchema creates and returns a new object
-func NewSchemaOrSchemaArrayWithSchema(s *Schema) *SchemaOrSchemaArray {
-	result := &SchemaOrSchemaArray{}
-	result.Schema = s
-	return result
-}
-
-// NewSchemaOrSchemaArrayWithSchemaArray creates and returns a new object
-func NewSchemaOrSchemaArrayWithSchemaArray(a []*Schema) *SchemaOrSchemaArray {
-	result := &SchemaOrSchemaArray{}
-	result.SchemaArray = &a
-	return result
-}
-
-// SchemaEnumValue represents a value that can be part of an
-// enumeration in a Schema.
-type SchemaEnumValue struct {
-	String *string
-	Bool   *bool
-}
-
-// NamedSchema is a name-value pair that is used to emulate maps
-// with ordered keys.
-type NamedSchema struct {
-	Name  string
-	Value *Schema
-}
-
-// NewNamedSchema creates and returns a new object
-func NewNamedSchema(name string, value *Schema) *NamedSchema {
-	return &NamedSchema{Name: name, Value: value}
-}
-
-// NamedSchemaOrStringArray is a name-value pair that is used
-// to emulate maps with ordered keys.
-type NamedSchemaOrStringArray struct {
-	Name  string
-	Value *SchemaOrStringArray
-}
-
-// Access named subschemas by name
-
-func namedSchemaArrayElementWithName(array *[]*NamedSchema, name string) *Schema {
-	if array == nil {
-		return nil
-	}
-	for _, pair := range *array {
-		if pair.Name == name {
-			return pair.Value
-		}
-	}
-	return nil
-}
-
-// PropertyWithName returns the selected element.
-func (s *Schema) PropertyWithName(name string) *Schema {
-	return namedSchemaArrayElementWithName(s.Properties, name)
-}
-
-// PatternPropertyWithName returns the selected element.
-func (s *Schema) PatternPropertyWithName(name string) *Schema {
-	return namedSchemaArrayElementWithName(s.PatternProperties, name)
-}
-
-// DefinitionWithName returns the selected element.
-func (s *Schema) DefinitionWithName(name string) *Schema {
-	return namedSchemaArrayElementWithName(s.Definitions, name)
-}
-
-// AddProperty adds a named property.
-func (s *Schema) AddProperty(name string, property *Schema) {
-	*s.Properties = append(*s.Properties, NewNamedSchema(name, property))
-}

vendor/github.com/googleapis/gnostic/jsonschema/operations.go

@@ -1,394 +0,0 @@
-// Copyright 2017 Google LLC. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package jsonschema
-
-import (
-	"fmt"
-	"log"
-	"strings"
-)
-
-//
-// OPERATIONS
-// The following methods perform operations on Schemas.
-//
-
-// IsEmpty returns true if no members of the Schema are specified.
-func (schema *Schema) IsEmpty() bool {
-	return (schema.Schema == nil) &&
-		(schema.ID == nil) &&
-		(schema.MultipleOf == nil) &&
-		(schema.Maximum == nil) &&
-		(schema.ExclusiveMaximum == nil) &&
-		(schema.Minimum == nil) &&
-		(schema.ExclusiveMinimum == nil) &&
-		(schema.MaxLength == nil) &&
-		(schema.MinLength == nil) &&
-		(schema.Pattern == nil) &&
-		(schema.AdditionalItems == nil) &&
-		(schema.Items == nil) &&
-		(schema.MaxItems == nil) &&
-		(schema.MinItems == nil) &&
-		(schema.UniqueItems == nil) &&
-		(schema.MaxProperties == nil) &&
-		(schema.MinProperties == nil) &&
-		(schema.Required == nil) &&
-		(schema.AdditionalProperties == nil) &&
-		(schema.Properties == nil) &&
-		(schema.PatternProperties == nil) &&
-		(schema.Dependencies == nil) &&
-		(schema.Enumeration == nil) &&
-		(schema.Type == nil) &&
-		(schema.AllOf == nil) &&
-		(schema.AnyOf == nil) &&
-		(schema.OneOf == nil) &&
-		(schema.Not == nil) &&
-		(schema.Definitions == nil) &&
-		(schema.Title == nil) &&
-		(schema.Description == nil) &&
-		(schema.Default == nil) &&
-		(schema.Format == nil) &&
-		(schema.Ref == nil)
-}
-
-// IsEqual returns true if two schemas are equal.
-func (schema *Schema) IsEqual(schema2 *Schema) bool {
-	return schema.String() == schema2.String()
-}
-
-// SchemaOperation represents a function that can be applied to a Schema.
-type SchemaOperation func(schema *Schema, context string)
-
-// Applies a specified function to a Schema and all of the Schemas that it contains.
-func (schema *Schema) applyToSchemas(operation SchemaOperation, context string) {
-
-	if schema.AdditionalItems != nil {
-		s := schema.AdditionalItems.Schema
-		if s != nil {
-			s.applyToSchemas(operation, "AdditionalItems")
-		}
-	}
-
-	if schema.Items != nil {
-		if schema.Items.SchemaArray != nil {
-			for _, s := range *(schema.Items.SchemaArray) {
-				s.applyToSchemas(operation, "Items.SchemaArray")
-			}
-		} else if schema.Items.Schema != nil {
-			schema.Items.Schema.applyToSchemas(operation, "Items.Schema")
-		}
-	}
-
-	if schema.AdditionalProperties != nil {
-		s := schema.AdditionalProperties.Schema
-		if s != nil {
-			s.applyToSchemas(operation, "AdditionalProperties")
-		}
-	}
-
-	if schema.Properties != nil {
-		for _, pair := range *(schema.Properties) {
-			s := pair.Value
-			s.applyToSchemas(operation, "Properties")
-		}
-	}
-	if schema.PatternProperties != nil {
-		for _, pair := range *(schema.PatternProperties) {
-			s := pair.Value
-			s.applyToSchemas(operation, "PatternProperties")
-		}
-	}
-
-	if schema.Dependencies != nil {
-		for _, pair := range *(schema.Dependencies) {
-			schemaOrStringArray := pair.Value
-			s := schemaOrStringArray.Schema
-			if s != nil {
-				s.applyToSchemas(operation, "Dependencies")
-			}
-		}
-	}
-
-	if schema.AllOf != nil {
-		for _, s := range *(schema.AllOf) {
-			s.applyToSchemas(operation, "AllOf")
-		}
-	}
-	if schema.AnyOf != nil {
-		for _, s := range *(schema.AnyOf) {
-			s.applyToSchemas(operation, "AnyOf")
-		}
-	}
-	if schema.OneOf != nil {
-		for _, s := range *(schema.OneOf) {
-			s.applyToSchemas(operation, "OneOf")
-		}
-	}
-	if schema.Not != nil {
-		schema.Not.applyToSchemas(operation, "Not")
-	}
-
-	if schema.Definitions != nil {
-		for _, pair := range *(schema.Definitions) {
-			s := pair.Value
-			s.applyToSchemas(operation, "Definitions")
-		}
-	}
-
-	operation(schema, context)
-}
-
-// CopyProperties copies all non-nil properties from the source Schema to the schema Schema.
-func (schema *Schema) CopyProperties(source *Schema) {
-	if source.Schema != nil {
-		schema.Schema = source.Schema
-	}
-	if source.ID != nil {
-		schema.ID = source.ID
-	}
-	if source.MultipleOf != nil {
-		schema.MultipleOf = source.MultipleOf
-	}
-	if source.Maximum != nil {
-		schema.Maximum = source.Maximum
-	}
-	if source.ExclusiveMaximum != nil {
-		schema.ExclusiveMaximum = source.ExclusiveMaximum
-	}
-	if source.Minimum != nil {
-		schema.Minimum = source.Minimum
-	}
-	if source.ExclusiveMinimum != nil {
-		schema.ExclusiveMinimum = source.ExclusiveMinimum
-	}
-	if source.MaxLength != nil {
-		schema.MaxLength = source.MaxLength
-	}
-	if source.MinLength != nil {
-		schema.MinLength = source.MinLength
-	}
-	if source.Pattern != nil {
-		schema.Pattern = source.Pattern
-	}
-	if source.AdditionalItems != nil {
-		schema.AdditionalItems = source.AdditionalItems
-	}
-	if source.Items != nil {
-		schema.Items = source.Items
-	}
-	if source.MaxItems != nil {
-		schema.MaxItems = source.MaxItems
-	}
-	if source.MinItems != nil {
-		schema.MinItems = source.MinItems
-	}
-	if source.UniqueItems != nil {
-		schema.UniqueItems = source.UniqueItems
-	}
-	if source.MaxProperties != nil {
-		schema.MaxProperties = source.MaxProperties
-	}
-	if source.MinProperties != nil {
-		schema.MinProperties = source.MinProperties
-	}
-	if source.Required != nil {
-		schema.Required = source.Required
-	}
-	if source.AdditionalProperties != nil {
-		schema.AdditionalProperties = source.AdditionalProperties
-	}
-	if source.Properties != nil {
-		schema.Properties = source.Properties
-	}
-	if source.PatternProperties != nil {
-		schema.PatternProperties = source.PatternProperties
-	}
-	if source.Dependencies != nil {
-		schema.Dependencies = source.Dependencies
-	}
-	if source.Enumeration != nil {
-		schema.Enumeration = source.Enumeration
-	}
-	if source.Type != nil {
-		schema.Type = source.Type
-	}
-	if source.AllOf != nil {
-		schema.AllOf = source.AllOf
-	}
-	if source.AnyOf != nil {
-		schema.AnyOf = source.AnyOf
-	}
-	if source.OneOf != nil {
-		schema.OneOf = source.OneOf
-	}
-	if source.Not != nil {
-		schema.Not = source.Not
-	}
-	if source.Definitions != nil {
-		schema.Definitions = source.Definitions
-	}
-	if source.Title != nil {
-		schema.Title = source.Title
-	}
-	if source.Description != nil {
-		schema.Description = source.Description
-	}
-	if source.Default != nil {
-		schema.Default = source.Default
-	}
-	if source.Format != nil {
-		schema.Format = source.Format
-	}
-	if source.Ref != nil {
-		schema.Ref = source.Ref
-	}
-}
-
-// TypeIs returns true if the Type of a Schema includes the specified type
-func (schema *Schema) TypeIs(typeName string) bool {
-	if schema.Type != nil {
-		// the schema Type is either a string or an array of strings
-		if schema.Type.String != nil {
-			return (*(schema.Type.String) == typeName)
-		} else if schema.Type.StringArray != nil {
-			for _, n := range *(schema.Type.StringArray) {
-				if n == typeName {
-					return true
-				}
-			}
-		}
-	}
-	return false
-}
-
-// ResolveRefs resolves "$ref" elements in a Schema and its children.
-// But if a reference refers to an object type, is inside a oneOf, or contains a oneOf,
-// the reference is kept and we expect downstream tools to separately model these
-// referenced schemas.
-func (schema *Schema) ResolveRefs() {
-	rootSchema := schema
-	count := 1
-	for count > 0 {
-		count = 0
-		schema.applyToSchemas(
-			func(schema *Schema, context string) {
-				if schema.Ref != nil {
-					resolvedRef, err := rootSchema.resolveJSONPointer(*(schema.Ref))
-					if err != nil {
-						log.Printf("%+v", err)
-					} else if resolvedRef.TypeIs("object") {
-						// don't substitute for objects, we'll model the referenced schema with a class
-					} else if context == "OneOf" {
-						// don't substitute for references inside oneOf declarations
-					} else if resolvedRef.OneOf != nil {
-						// don't substitute for references that contain oneOf declarations
-					} else if resolvedRef.AdditionalProperties != nil {
-						// don't substitute for references that look like objects
-					} else {
-						schema.Ref = nil
-						schema.CopyProperties(resolvedRef)
-						count++
-					}
-				}
-			}, "")
-	}
-}
-
-// resolveJSONPointer resolves JSON pointers.
-// This current implementation is very crude and custom for OpenAPI 2.0 schemas.
-// It panics for any pointer that it is unable to resolve.
-func (schema *Schema) resolveJSONPointer(ref string) (result *Schema, err error) {
-	parts := strings.Split(ref, "#")
-	if len(parts) == 2 {
-		documentName := parts[0] + "#"
-		if documentName == "#" && schema.ID != nil {
-			documentName = *(schema.ID)
-		}
-		path := parts[1]
-		document := schemas[documentName]
-		pathParts := strings.Split(path, "/")
-
-		// we currently do a very limited (hard-coded) resolution of certain paths and log errors for missed cases
-		if len(pathParts) == 1 {
-			return document, nil
-		} else if len(pathParts) == 3 {
-			switch pathParts[1] {
-			case "definitions":
-				dictionary := document.Definitions
-				for _, pair := range *dictionary {
-					if pair.Name == pathParts[2] {
-						result = pair.Value
-					}
-				}
-			case "properties":
-				dictionary := document.Properties
-				for _, pair := range *dictionary {
-					if pair.Name == pathParts[2] {
-						result = pair.Value
-					}
-				}
-			default:
-				break
-			}
-		}
-	}
-	if result == nil {
-		return nil, fmt.Errorf("unresolved pointer: %+v", ref)
-	}
-	return result, nil
-}
-
-// ResolveAllOfs replaces "allOf" elements by merging their properties into the parent Schema.
-func (schema *Schema) ResolveAllOfs() {
-	schema.applyToSchemas(
-		func(schema *Schema, context string) {
-			if schema.AllOf != nil {
-				for _, allOf := range *(schema.AllOf) {
-					schema.CopyProperties(allOf)
-				}
-				schema.AllOf = nil
-			}
-		}, "resolveAllOfs")
-}
-
-// ResolveAnyOfs replaces all "anyOf" elements with "oneOf".
-func (schema *Schema) ResolveAnyOfs() {
-	schema.applyToSchemas(
-		func(schema *Schema, context string) {
-			if schema.AnyOf != nil {
-				schema.OneOf = schema.AnyOf
-				schema.AnyOf = nil
-			}
-		}, "resolveAnyOfs")
-}
-
-// return a pointer to a copy of a passed-in string
-func stringptr(input string) (output *string) {
-	return &input
-}
-
-// CopyOfficialSchemaProperty copies a named property from the official JSON Schema definition
-func (schema *Schema) CopyOfficialSchemaProperty(name string) {
-	*schema.Properties = append(*schema.Properties,
-		NewNamedSchema(name,
-			&Schema{Ref: stringptr("http://json-schema.org/draft-04/schema#/properties/" + name)}))
-}
-
-// CopyOfficialSchemaProperties copies named properties from the official JSON Schema definition
-func (schema *Schema) CopyOfficialSchemaProperties(names []string) {
-	for _, name := range names {
-		schema.CopyOfficialSchemaProperty(name)
-	}
-}

vendor/github.com/googleapis/gnostic/jsonschema/reader.go

@@ -1,442 +0,0 @@
-// Copyright 2017 Google LLC. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//go:generate go run generate-base.go
-
-package jsonschema
-
-import (
-	"fmt"
-	"io/ioutil"
-	"strconv"
-
-	"gopkg.in/yaml.v3"
-)
-
-// This is a global map of all known Schemas.
-// It is initialized when the first Schema is created and inserted.
-var schemas map[string]*Schema
-
-// NewBaseSchema builds a schema object from an embedded json representation.
-func NewBaseSchema() (schema *Schema, err error) {
-	b, err := baseSchemaBytes()
-	if err != nil {
-		return nil, err
-	}
-	var node yaml.Node
-	err = yaml.Unmarshal(b, &node)
-	if err != nil {
-		return nil, err
-	}
-	return NewSchemaFromObject(&node), nil
-}
-
-// NewSchemaFromFile reads a schema from a file.
-// Currently this assumes that schemas are stored in the source distribution of this project.
-func NewSchemaFromFile(filename string) (schema *Schema, err error) {
-	file, err := ioutil.ReadFile(filename)
-	if err != nil {
-		return nil, err
-	}
-	var node yaml.Node
-	err = yaml.Unmarshal(file, &node)
-	if err != nil {
-		return nil, err
-	}
-	return NewSchemaFromObject(&node), nil
-}
-
-// NewSchemaFromObject constructs a schema from a parsed JSON object.
-// Due to the complexity of the schema representation, this is a
-// custom reader and not the standard Go JSON reader (encoding/json).
-func NewSchemaFromObject(jsonData *yaml.Node) *Schema {
-	switch jsonData.Kind {
-	case yaml.DocumentNode:
-		return NewSchemaFromObject(jsonData.Content[0])
-	case yaml.MappingNode:
-		schema := &Schema{}
-
-		for i := 0; i < len(jsonData.Content); i += 2 {
-			k := jsonData.Content[i].Value
-			v := jsonData.Content[i+1]
-
-			switch k {
-			case "$schema":
-				schema.Schema = schema.stringValue(v)
-			case "id":
-				schema.ID = schema.stringValue(v)
-
-			case "multipleOf":
-				schema.MultipleOf = schema.numberValue(v)
-			case "maximum":
-				schema.Maximum = schema.numberValue(v)
-			case "exclusiveMaximum":
-				schema.ExclusiveMaximum = schema.boolValue(v)
-			case "minimum":
-				schema.Minimum = schema.numberValue(v)
-			case "exclusiveMinimum":
-				schema.ExclusiveMinimum = schema.boolValue(v)
-
-			case "maxLength":
-				schema.MaxLength = schema.intValue(v)
-			case "minLength":
-				schema.MinLength = schema.intValue(v)
-			case "pattern":
-				schema.Pattern = schema.stringValue(v)
-
-			case "additionalItems":
-				schema.AdditionalItems = schema.schemaOrBooleanValue(v)
-			case "items":
-				schema.Items = schema.schemaOrSchemaArrayValue(v)
-			case "maxItems":
-				schema.MaxItems = schema.intValue(v)
-			case "minItems":
-				schema.MinItems = schema.intValue(v)
-			case "uniqueItems":
-				schema.UniqueItems = schema.boolValue(v)
-
-			case "maxProperties":
-				schema.MaxProperties = schema.intValue(v)
-			case "minProperties":
-				schema.MinProperties = schema.intValue(v)
-			case "required":
-				schema.Required = schema.arrayOfStringsValue(v)
-			case "additionalProperties":
-				schema.AdditionalProperties = schema.schemaOrBooleanValue(v)
-			case "properties":
-				schema.Properties = schema.mapOfSchemasValue(v)
-			case "patternProperties":
-				schema.PatternProperties = schema.mapOfSchemasValue(v)
-			case "dependencies":
-				schema.Dependencies = schema.mapOfSchemasOrStringArraysValue(v)
-
-			case "enum":
-				schema.Enumeration = schema.arrayOfEnumValuesValue(v)
-
-			case "type":
-				schema.Type = schema.stringOrStringArrayValue(v)
-			case "allOf":
-				schema.AllOf = schema.arrayOfSchemasValue(v)
-			case "anyOf":
-				schema.AnyOf = schema.arrayOfSchemasValue(v)
-			case "oneOf":
-				schema.OneOf = schema.arrayOfSchemasValue(v)
-			case "not":
-				schema.Not = NewSchemaFromObject(v)
-			case "definitions":
-				schema.Definitions = schema.mapOfSchemasValue(v)
-
-			case "title":
-				schema.Title = schema.stringValue(v)
-			case "description":
-				schema.Description = schema.stringValue(v)
-
-			case "default":
-				schema.Default = v
-
-			case "format":
-				schema.Format = schema.stringValue(v)
-			case "$ref":
-				schema.Ref = schema.stringValue(v)
-			default:
-				fmt.Printf("UNSUPPORTED (%s)\n", k)
-			}
-		}
-
-		// insert schema in global map
-		if schema.ID != nil {
-			if schemas == nil {
-				schemas = make(map[string]*Schema, 0)
-			}
-			schemas[*(schema.ID)] = schema
-		}
-		return schema
-
-	default:
-		fmt.Printf("schemaValue: unexpected node %+v\n", jsonData)
-		return nil
-	}
-
-	return nil
-}
-
-//
-// BUILDERS
-// The following methods build elements of Schemas from interface{} values.
-// Each returns nil if it is unable to build the desired element.
-//
-
-// Gets the string value of an interface{} value if possible.
-func (schema *Schema) stringValue(v *yaml.Node) *string {
-	switch v.Kind {
-	case yaml.ScalarNode:
-		return &v.Value
-	default:
-		fmt.Printf("stringValue: unexpected node %+v\n", v)
-	}
-	return nil
-}
-
-// Gets the numeric value of an interface{} value if possible.
-func (schema *Schema) numberValue(v *yaml.Node) *SchemaNumber {
-	number := &SchemaNumber{}
-	switch v.Kind {
-	case yaml.ScalarNode:
-		switch v.Tag {
-		case "!!float":
-			v2, _ := strconv.ParseFloat(v.Value, 64)
-			number.Float = &v2
-			return number
-		case "!!int":
-			v2, _ := strconv.ParseInt(v.Value, 10, 64)
-			number.Integer = &v2
-			return number
-		default:
-			fmt.Printf("stringValue: unexpected node %+v\n", v)
-		}
-	default:
-		fmt.Printf("stringValue: unexpected node %+v\n", v)
-	}
-	return nil
-}
-
-// Gets the integer value of an interface{} value if possible.
-func (schema *Schema) intValue(v *yaml.Node) *int64 {
-	switch v.Kind {
-	case yaml.ScalarNode:
-		switch v.Tag {
-		case "!!float":
-			v2, _ := strconv.ParseFloat(v.Value, 64)
-			v3 := int64(v2)
-			return &v3
-		case "!!int":
-			v2, _ := strconv.ParseInt(v.Value, 10, 64)
-			return &v2
-		default:
-			fmt.Printf("intValue: unexpected node %+v\n", v)
-		}
-	default:
-		fmt.Printf("intValue: unexpected node %+v\n", v)
-	}
-	return nil
-}
-
-// Gets the bool value of an interface{} value if possible.
-func (schema *Schema) boolValue(v *yaml.Node) *bool {
-	switch v.Kind {
-	case yaml.ScalarNode:
-		switch v.Tag {
-		case "!!bool":
-			v2, _ := strconv.ParseBool(v.Value)
-			return &v2
-		default:
-			fmt.Printf("boolValue: unexpected node %+v\n", v)
-		}
-	default:
-		fmt.Printf("boolValue: unexpected node %+v\n", v)
-	}
-	return nil
-}
-
-// Gets a map of Schemas from an interface{} value if possible.
-func (schema *Schema) mapOfSchemasValue(v *yaml.Node) *[]*NamedSchema {
-	switch v.Kind {
-	case yaml.MappingNode:
-		m := make([]*NamedSchema, 0)
-		for i := 0; i < len(v.Content); i += 2 {
-			k2 := v.Content[i].Value
-			v2 := v.Content[i+1]
-			pair := &NamedSchema{Name: k2, Value: NewSchemaFromObject(v2)}
-			m = append(m, pair)
-		}
-		return &m
-	default:
-		fmt.Printf("mapOfSchemasValue: unexpected node %+v\n", v)
-	}
-	return nil
-}
-
-// Gets an array of Schemas from an interface{} value if possible.
-func (schema *Schema) arrayOfSchemasValue(v *yaml.Node) *[]*Schema {
-	switch v.Kind {
-	case yaml.SequenceNode:
-		m := make([]*Schema, 0)
-		for _, v2 := range v.Content {
-			switch v2.Kind {
-			case yaml.MappingNode:
-				s := NewSchemaFromObject(v2)
-				m = append(m, s)
-			default:
-				fmt.Printf("arrayOfSchemasValue: unexpected node %+v\n", v2)
-			}
-		}
-		return &m
-	case yaml.MappingNode:
-		m := make([]*Schema, 0)
-		s := NewSchemaFromObject(v)
-		m = append(m, s)
-		return &m
-	default:
-		fmt.Printf("arrayOfSchemasValue: unexpected node %+v\n", v)
-	}
-	return nil
-}
-
-// Gets a Schema or an array of Schemas from an interface{} value if possible.
-func (schema *Schema) schemaOrSchemaArrayValue(v *yaml.Node) *SchemaOrSchemaArray {
-	switch v.Kind {
-	case yaml.SequenceNode:
-		m := make([]*Schema, 0)
-		for _, v2 := range v.Content {
-			switch v2.Kind {
-			case yaml.MappingNode:
-				s := NewSchemaFromObject(v2)
-				m = append(m, s)
-			default:
-				fmt.Printf("schemaOrSchemaArrayValue: unexpected node %+v\n", v2)
-			}
-		}
-		return &SchemaOrSchemaArray{SchemaArray: &m}
-	case yaml.MappingNode:
-		s := NewSchemaFromObject(v)
-		return &SchemaOrSchemaArray{Schema: s}
-	default:
-		fmt.Printf("schemaOrSchemaArrayValue: unexpected node %+v\n", v)
-	}
-	return nil
-}
-
-// Gets an array of strings from an interface{} value if possible.
-func (schema *Schema) arrayOfStringsValue(v *yaml.Node) *[]string {
-	switch v.Kind {
-	case yaml.ScalarNode:
-		a := []string{v.Value}
-		return &a
-	case yaml.SequenceNode:
-		a := make([]string, 0)
-		for _, v2 := range v.Content {
-			switch v2.Kind {
-			case yaml.ScalarNode:
-				a = append(a, v2.Value)
-			default:
-				fmt.Printf("arrayOfStringsValue: unexpected node %+v\n", v2)
-			}
-		}
-		return &a
-	default:
-		fmt.Printf("arrayOfStringsValue: unexpected node %+v\n", v)
-	}
-	return nil
-}
-
-// Gets a string or an array of strings from an interface{} value if possible.
-func (schema *Schema) stringOrStringArrayValue(v *yaml.Node) *StringOrStringArray {
-	switch v.Kind {
-	case yaml.ScalarNode:
-		s := &StringOrStringArray{}
-		s.String = &v.Value
-		return s
-	case yaml.SequenceNode:
-		a := make([]string, 0)
-		for _, v2 := range v.Content {
-			switch v2.Kind {
-			case yaml.ScalarNode:
-				a = append(a, v2.Value)
-			default:
-				fmt.Printf("arrayOfStringsValue: unexpected node %+v\n", v2)
-			}
-		}
-		s := &StringOrStringArray{}
-		s.StringArray = &a
-		return s
-	default:
-		fmt.Printf("arrayOfStringsValue: unexpected node %+v\n", v)
-	}
-	return nil
-}
-
-// Gets an array of enum values from an interface{} value if possible.
-func (schema *Schema) arrayOfEnumValuesValue(v *yaml.Node) *[]SchemaEnumValue {
-	a := make([]SchemaEnumValue, 0)
-	switch v.Kind {
-	case yaml.SequenceNode:
-		for _, v2 := range v.Content {
-			switch v2.Kind {
-			case yaml.ScalarNode:
-				switch v2.Tag {
-				case "!!str":
-					a = append(a, SchemaEnumValue{String: &v2.Value})
-				case "!!bool":
-					v3, _ := strconv.ParseBool(v2.Value)
-					a = append(a, SchemaEnumValue{Bool: &v3})
-				default:
-					fmt.Printf("arrayOfEnumValuesValue: unexpected type %s\n", v2.Tag)
-				}
-			default:
-				fmt.Printf("arrayOfEnumValuesValue: unexpected node %+v\n", v2)
-			}
-		}
-	default:
-		fmt.Printf("arrayOfEnumValuesValue: unexpected node %+v\n", v)
-	}
-	return &a
-}
-
-// Gets a map of schemas or string arrays from an interface{} value if possible.
-func (schema *Schema) mapOfSchemasOrStringArraysValue(v *yaml.Node) *[]*NamedSchemaOrStringArray {
-	m := make([]*NamedSchemaOrStringArray, 0)
-	switch v.Kind {
-	case yaml.MappingNode:
-		for i := 0; i < len(v.Content); i += 2 {
-			k2 := v.Content[i].Value
-			v2 := v.Content[i+1]
-			switch v2.Kind {
-			case yaml.SequenceNode:
-				a := make([]string, 0)
-				for _, v3 := range v2.Content {
-					switch v3.Kind {
-					case yaml.ScalarNode:
-						a = append(a, v3.Value)
-					default:
-						fmt.Printf("mapOfSchemasOrStringArraysValue: unexpected node %+v\n", v3)
-					}
-				}
-				s := &SchemaOrStringArray{}
-				s.StringArray = &a
-				pair := &NamedSchemaOrStringArray{Name: k2, Value: s}
-				m = append(m, pair)
-			default:
-				fmt.Printf("mapOfSchemasOrStringArraysValue: unexpected node %+v\n", v2)
-			}
-		}
-	default:
-		fmt.Printf("mapOfSchemasOrStringArraysValue: unexpected node %+v\n", v)
-	}
-	return &m
-}
-
-// Gets a schema or a boolean value from an interface{} value if possible.
-func (schema *Schema) schemaOrBooleanValue(v *yaml.Node) *SchemaOrBoolean {
-	schemaOrBoolean := &SchemaOrBoolean{}
-	switch v.Kind {
-	case yaml.ScalarNode:
-		v2, _ := strconv.ParseBool(v.Value)
-		schemaOrBoolean.Boolean = &v2
-	case yaml.MappingNode:
-		schemaOrBoolean.Schema = NewSchemaFromObject(v)
-	default:
-		fmt.Printf("schemaOrBooleanValue: unexpected node %+v\n", v)
-	}
-	return schemaOrBoolean
-}

vendor/github.com/googleapis/gnostic/jsonschema/schema.json

@@ -1,150 +0,0 @@
-{
-    "id": "http://json-schema.org/draft-04/schema#",
-    "$schema": "http://json-schema.org/draft-04/schema#",
-    "description": "Core schema meta-schema",
-    "definitions": {
-        "schemaArray": {
-            "type": "array",
-            "minItems": 1,
-            "items": { "$ref": "#" }
-        },
-        "positiveInteger": {
-            "type": "integer",
-            "minimum": 0
-        },
-        "positiveIntegerDefault0": {
-            "allOf": [ { "$ref": "#/definitions/positiveInteger" }, { "default": 0 } ]
-        },
-        "simpleTypes": {
-            "enum": [ "array", "boolean", "integer", "null", "number", "object", "string" ]
-        },
-        "stringArray": {
-            "type": "array",
-            "items": { "type": "string" },
-            "minItems": 1,
-            "uniqueItems": true
-        }
-    },
-    "type": "object",
-    "properties": {
-        "id": {
-            "type": "string",
-            "format": "uri"
-        },
-        "$schema": {
-            "type": "string",
-            "format": "uri"
-        },
-        "title": {
-            "type": "string"
-        },
-        "description": {
-            "type": "string"
-        },
-        "default": {},
-        "multipleOf": {
-            "type": "number",
-            "minimum": 0,
-            "exclusiveMinimum": true
-        },
-        "maximum": {
-            "type": "number"
-        },
-        "exclusiveMaximum": {
-            "type": "boolean",
-            "default": false
-        },
-        "minimum": {
-            "type": "number"
-        },
-        "exclusiveMinimum": {
-            "type": "boolean",
-            "default": false
-        },
-        "maxLength": { "$ref": "#/definitions/positiveInteger" },
-        "minLength": { "$ref": "#/definitions/positiveIntegerDefault0" },
-        "pattern": {
-            "type": "string",
-            "format": "regex"
-        },
-        "additionalItems": {
-            "anyOf": [
-                { "type": "boolean" },
-                { "$ref": "#" }
-            ],
-            "default": {}
-        },
-        "items": {
-            "anyOf": [
-                { "$ref": "#" },
-                { "$ref": "#/definitions/schemaArray" }
-            ],
-            "default": {}
-        },
-        "maxItems": { "$ref": "#/definitions/positiveInteger" },
-        "minItems": { "$ref": "#/definitions/positiveIntegerDefault0" },
-        "uniqueItems": {
-            "type": "boolean",
-            "default": false
-        },
-        "maxProperties": { "$ref": "#/definitions/positiveInteger" },
-        "minProperties": { "$ref": "#/definitions/positiveIntegerDefault0" },
-        "required": { "$ref": "#/definitions/stringArray" },
-        "additionalProperties": {
-            "anyOf": [
-                { "type": "boolean" },
-                { "$ref": "#" }
-            ],
-            "default": {}
-        },
-        "definitions": {
-            "type": "object",
-            "additionalProperties": { "$ref": "#" },
-            "default": {}
-        },
-        "properties": {
-            "type": "object",
-            "additionalProperties": { "$ref": "#" },
-            "default": {}
-        },
-        "patternProperties": {
-            "type": "object",
-            "additionalProperties": { "$ref": "#" },
-            "default": {}
-        },
-        "dependencies": {
-            "type": "object",
-            "additionalProperties": {
-                "anyOf": [
-                    { "$ref": "#" },
-                    { "$ref": "#/definitions/stringArray" }
-                ]
-            }
-        },
-        "enum": {
-            "type": "array",
-            "minItems": 1,
-            "uniqueItems": true
-        },
-        "type": {
-            "anyOf": [
-                { "$ref": "#/definitions/simpleTypes" },
-                {
-                    "type": "array",
-                    "items": { "$ref": "#/definitions/simpleTypes" },
-                    "minItems": 1,
-                    "uniqueItems": true
-                }
-            ]
-        },
-        "allOf": { "$ref": "#/definitions/schemaArray" },
-        "anyOf": { "$ref": "#/definitions/schemaArray" },
-        "oneOf": { "$ref": "#/definitions/schemaArray" },
-        "not": { "$ref": "#" }
-    },
-    "dependencies": {
-        "exclusiveMaximum": [ "maximum" ],
-        "exclusiveMinimum": [ "minimum" ]
-    },
-    "default": {}
-}

vendor/github.com/googleapis/gnostic/jsonschema/writer.go

@@ -1,369 +0,0 @@
-// Copyright 2017 Google LLC. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package jsonschema
-
-import (
-	"fmt"
-
-	"gopkg.in/yaml.v3"
-)
-
-const indentation = "  "
-
-func renderMappingNode(node *yaml.Node, indent string) (result string) {
-	result = "{\n"
-	innerIndent := indent + indentation
-	for i := 0; i < len(node.Content); i += 2 {
-		// first print the key
-		key := node.Content[i].Value
-		result += fmt.Sprintf("%s\"%+v\": ", innerIndent, key)
-		// then the value
-		value := node.Content[i+1]
-		switch value.Kind {
-		case yaml.ScalarNode:
-			result += "\"" + value.Value + "\""
-		case yaml.MappingNode:
-			result += renderMappingNode(value, innerIndent)
-		case yaml.SequenceNode:
-			result += renderSequenceNode(value, innerIndent)
-		default:
-			result += fmt.Sprintf("???MapItem(Key:%+v, Value:%T)", value, value)
-		}
-		if i < len(node.Content)-2 {
-			result += ","
-		}
-		result += "\n"
-	}
-
-	result += indent + "}"
-	return result
-}
-
-func renderSequenceNode(node *yaml.Node, indent string) (result string) {
-	result = "[\n"
-	innerIndent := indent + indentation
-	for i := 0; i < len(node.Content); i++ {
-		item := node.Content[i]
-		switch item.Kind {
-		case yaml.ScalarNode:
-			result += innerIndent + "\"" + item.Value + "\""
-		case yaml.MappingNode:
-			result += innerIndent + renderMappingNode(item, innerIndent) + ""
-		default:
-			result += innerIndent + fmt.Sprintf("???ArrayItem(%+v)", item)
-		}
-		if i < len(node.Content)-1 {
-			result += ","
-		}
-		result += "\n"
-	}
-	result += indent + "]"
-	return result
-}
-
-func renderStringArray(array []string, indent string) (result string) {
-	result = "[\n"
-	innerIndent := indent + indentation
-	for i, item := range array {
-		result += innerIndent + "\"" + item + "\""
-		if i < len(array)-1 {
-			result += ","
-		}
-		result += "\n"
-	}
-	result += indent + "]"
-	return result
-}
-
-// Render renders a yaml.Node as JSON
-func Render(node *yaml.Node) string {
-	if node.Kind == yaml.DocumentNode {
-		if len(node.Content) == 1 {
-			return Render(node.Content[0])
-		}
-	} else if node.Kind == yaml.MappingNode {
-		return renderMappingNode(node, "") + "\n"
-	} else if node.Kind == yaml.SequenceNode {
-		return renderSequenceNode(node, "") + "\n"
-	}
-	return ""
-}
-
-func (object *SchemaNumber) nodeValue() *yaml.Node {
-	if object.Integer != nil {
-		return nodeForInt64(*object.Integer)
-	} else if object.Float != nil {
-		return nodeForFloat64(*object.Float)
-	} else {
-		return nil
-	}
-}
-
-func (object *SchemaOrBoolean) nodeValue() *yaml.Node {
-	if object.Schema != nil {
-		return object.Schema.nodeValue()
-	} else if object.Boolean != nil {
-		return nodeForBoolean(*object.Boolean)
-	} else {
-		return nil
-	}
-}
-
-func nodeForStringArray(array []string) *yaml.Node {
-	content := make([]*yaml.Node, 0)
-	for _, item := range array {
-		content = append(content, nodeForString(item))
-	}
-	return nodeForSequence(content)
-}
-
-func nodeForSchemaArray(array []*Schema) *yaml.Node {
-	content := make([]*yaml.Node, 0)
-	for _, item := range array {
-		content = append(content, item.nodeValue())
-	}
-	return nodeForSequence(content)
-}
-
-func (object *StringOrStringArray) nodeValue() *yaml.Node {
-	if object.String != nil {
-		return nodeForString(*object.String)
-	} else if object.StringArray != nil {
-		return nodeForStringArray(*(object.StringArray))
-	} else {
-		return nil
-	}
-}
-
-func (object *SchemaOrStringArray) nodeValue() *yaml.Node {
-	if object.Schema != nil {
-		return object.Schema.nodeValue()
-	} else if object.StringArray != nil {
-		return nodeForStringArray(*(object.StringArray))
-	} else {
-		return nil
-	}
-}
-
-func (object *SchemaOrSchemaArray) nodeValue() *yaml.Node {
-	if object.Schema != nil {
-		return object.Schema.nodeValue()
-	} else if object.SchemaArray != nil {
-		return nodeForSchemaArray(*(object.SchemaArray))
-	} else {
-		return nil
-	}
-}
-
-func (object *SchemaEnumValue) nodeValue() *yaml.Node {
-	if object.String != nil {
-		return nodeForString(*object.String)
-	} else if object.Bool != nil {
-		return nodeForBoolean(*object.Bool)
-	} else {
-		return nil
-	}
-}
-
-func nodeForNamedSchemaArray(array *[]*NamedSchema) *yaml.Node {
-	content := make([]*yaml.Node, 0)
-	for _, pair := range *(array) {
-		content = appendPair(content, pair.Name, pair.Value.nodeValue())
-	}
-	return nodeForMapping(content)
-}
-
-func nodeForNamedSchemaOrStringArray(array *[]*NamedSchemaOrStringArray) *yaml.Node {
-	content := make([]*yaml.Node, 0)
-	for _, pair := range *(array) {
-		content = appendPair(content, pair.Name, pair.Value.nodeValue())
-	}
-	return nodeForMapping(content)
-}
-
-func nodeForSchemaEnumArray(array *[]SchemaEnumValue) *yaml.Node {
-	content := make([]*yaml.Node, 0)
-	for _, item := range *array {
-		content = append(content, item.nodeValue())
-	}
-	return nodeForSequence(content)
-}
-
-func nodeForMapping(content []*yaml.Node) *yaml.Node {
-	return &yaml.Node{
-		Kind:    yaml.MappingNode,
-		Content: content,
-	}
-}
-
-func nodeForSequence(content []*yaml.Node) *yaml.Node {
-	return &yaml.Node{
-		Kind:    yaml.SequenceNode,
-		Content: content,
-	}
-}
-
-func nodeForString(value string) *yaml.Node {
-	return &yaml.Node{
-		Kind:  yaml.ScalarNode,
-		Tag:   "!!str",
-		Value: value,
-	}
-}
-
-func nodeForBoolean(value bool) *yaml.Node {
-	return &yaml.Node{
-		Kind:  yaml.ScalarNode,
-		Tag:   "!!bool",
-		Value: fmt.Sprintf("%t", value),
-	}
-}
-
-func nodeForInt64(value int64) *yaml.Node {
-	return &yaml.Node{
-		Kind:  yaml.ScalarNode,
-		Tag:   "!!int",
-		Value: fmt.Sprintf("%d", value),
-	}
-}
-
-func nodeForFloat64(value float64) *yaml.Node {
-	return &yaml.Node{
-		Kind:  yaml.ScalarNode,
-		Tag:   "!!float",
-		Value: fmt.Sprintf("%f", value),
-	}
-}
-
-func appendPair(nodes []*yaml.Node, name string, value *yaml.Node) []*yaml.Node {
-	nodes = append(nodes, nodeForString(name))
-	nodes = append(nodes, value)
-	return nodes
-}
-
-func (schema *Schema) nodeValue() *yaml.Node {
-	n := &yaml.Node{Kind: yaml.MappingNode}
-	content := make([]*yaml.Node, 0)
-	if schema.Title != nil {
-		content = appendPair(content, "title", nodeForString(*schema.Title))
-	}
-	if schema.ID != nil {
-		content = appendPair(content, "id", nodeForString(*schema.ID))
-	}
-	if schema.Schema != nil {
-		content = appendPair(content, "$schema", nodeForString(*schema.Schema))
-	}
-	if schema.Type != nil {
-		content = appendPair(content, "type", schema.Type.nodeValue())
-	}
-	if schema.Items != nil {
-		content = appendPair(content, "items", schema.Items.nodeValue())
-	}
-	if schema.Description != nil {
-		content = appendPair(content, "description", nodeForString(*schema.Description))
-	}
-	if schema.Required != nil {
-		content = appendPair(content, "required", nodeForStringArray(*schema.Required))
-	}
-	if schema.AdditionalProperties != nil {
-		content = appendPair(content, "additionalProperties", schema.AdditionalProperties.nodeValue())
-	}
-	if schema.PatternProperties != nil {
-		content = appendPair(content, "patternProperties", nodeForNamedSchemaArray(schema.PatternProperties))
-	}
-	if schema.Properties != nil {
-		content = appendPair(content, "properties", nodeForNamedSchemaArray(schema.Properties))
-	}
-	if schema.Dependencies != nil {
-		content = appendPair(content, "dependencies", nodeForNamedSchemaOrStringArray(schema.Dependencies))
-	}
-	if schema.Ref != nil {
-		content = appendPair(content, "$ref", nodeForString(*schema.Ref))
-	}
-	if schema.MultipleOf != nil {
-		content = appendPair(content, "multipleOf", schema.MultipleOf.nodeValue())
-	}
-	if schema.Maximum != nil {
-		content = appendPair(content, "maximum", schema.Maximum.nodeValue())
-	}
-	if schema.ExclusiveMaximum != nil {
-		content = appendPair(content, "exclusiveMaximum", nodeForBoolean(*schema.ExclusiveMaximum))
-	}
-	if schema.Minimum != nil {
-		content = appendPair(content, "minimum", schema.Minimum.nodeValue())
-	}
-	if schema.ExclusiveMinimum != nil {
-		content = appendPair(content, "exclusiveMinimum", nodeForBoolean(*schema.ExclusiveMinimum))
-	}
-	if schema.MaxLength != nil {
-		content = appendPair(content, "maxLength", nodeForInt64(*schema.MaxLength))
-	}
-	if schema.MinLength != nil {
-		content = appendPair(content, "minLength", nodeForInt64(*schema.MinLength))
-	}
-	if schema.Pattern != nil {
-		content = appendPair(content, "pattern", nodeForString(*schema.Pattern))
-	}
-	if schema.AdditionalItems != nil {
-		content = appendPair(content, "additionalItems", schema.AdditionalItems.nodeValue())
-	}
-	if schema.MaxItems != nil {
-		content = appendPair(content, "maxItems", nodeForInt64(*schema.MaxItems))
-	}
-	if schema.MinItems != nil {
-		content = appendPair(content, "minItems", nodeForInt64(*schema.MinItems))
-	}
-	if schema.UniqueItems != nil {
-		content = appendPair(content, "uniqueItems", nodeForBoolean(*schema.UniqueItems))
-	}
-	if schema.MaxProperties != nil {
-		content = appendPair(content, "maxProperties", nodeForInt64(*schema.MaxProperties))
-	}
-	if schema.MinProperties != nil {
-		content = appendPair(content, "minProperties", nodeForInt64(*schema.MinProperties))
-	}
-	if schema.Enumeration != nil {
-		content = appendPair(content, "enum", nodeForSchemaEnumArray(schema.Enumeration))
-	}
-	if schema.AllOf != nil {
-		content = appendPair(content, "allOf", nodeForSchemaArray(*schema.AllOf))
-	}
-	if schema.AnyOf != nil {
-		content = appendPair(content, "anyOf", nodeForSchemaArray(*schema.AnyOf))
-	}
-	if schema.OneOf != nil {
-		content = appendPair(content, "oneOf", nodeForSchemaArray(*schema.OneOf))
-	}
-	if schema.Not != nil {
-		content = appendPair(content, "not", schema.Not.nodeValue())
-	}
-	if schema.Definitions != nil {
-		content = appendPair(content, "definitions", nodeForNamedSchemaArray(schema.Definitions))
-	}
-	if schema.Default != nil {
-		// m = append(m, yaml.MapItem{Key: "default", Value: *schema.Default})
-	}
-	if schema.Format != nil {
-		content = appendPair(content, "format", nodeForString(*schema.Format))
-	}
-	n.Content = content
-	return n
-}
-
-// JSONString returns a json representation of a schema.
-func (schema *Schema) JSONString() string {
-	node := schema.nodeValue()
-	return Render(node)
-}

vendor/golang.org/x/net/internal/socket/sys_zos_s390x.go

@@ -0,0 +1,38 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package socket
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+func syscall_syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno)
+func syscall_syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno)
+
+func probeProtocolStack() int {
+	return 4 // sizeof(int) on GOOS=zos GOARCH=s390x
+}
+
+func getsockopt(s uintptr, level, name int, b []byte) (int, error) {
+	l := uint32(len(b))
+	_, _, errno := syscall_syscall6(syscall.SYS_GETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(unsafe.Pointer(&l)), 0)
+	return int(l), errnoErr(errno)
+}
+
+func setsockopt(s uintptr, level, name int, b []byte) error {
+	_, _, errno := syscall_syscall6(syscall.SYS_SETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), 0)
+	return errnoErr(errno)
+}
+
+func recvmsg(s uintptr, h *msghdr, flags int) (int, error) {
+	n, _, errno := syscall_syscall(syscall.SYS___RECVMSG_A, s, uintptr(unsafe.Pointer(h)), uintptr(flags))
+	return int(n), errnoErr(errno)
+}
+
+func sendmsg(s uintptr, h *msghdr, flags int) (int, error) {
+	n, _, errno := syscall_syscall(syscall.SYS___SENDMSG_A, s, uintptr(unsafe.Pointer(h)), uintptr(flags))
+	return int(n), errnoErr(errno)
+}

vendor/golang.org/x/net/internal/socket/sys_zos_s390x.s

@@ -0,0 +1,11 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include "textflag.h"
+
+TEXT ·syscall_syscall(SB),NOSPLIT,$0
+        JMP     syscall·_syscall(SB)
+
+TEXT ·syscall_syscall6(SB),NOSPLIT,$0
+        JMP     syscall·_syscall6(SB)

vendor/golang.org/x/net/internal/socket/zsys_openbsd_mips64.go

@@ -0,0 +1,50 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_openbsd.go
+
+package socket
+
+type iovec struct {
+	Base *byte
+	Len  uint64
+}
+
+type msghdr struct {
+	Name       *byte
+	Namelen    uint32
+	Iov        *iovec
+	Iovlen     uint32
+	Control    *byte
+	Controllen uint32
+	Flags      int32
+}
+
+type cmsghdr struct {
+	Len   uint32
+	Level int32
+	Type  int32
+}
+
+type sockaddrInet struct {
+	Len    uint8
+	Family uint8
+	Port   uint16
+	Addr   [4]byte /* in_addr */
+	Zero   [8]int8
+}
+
+type sockaddrInet6 struct {
+	Len      uint8
+	Family   uint8
+	Port     uint16
+	Flowinfo uint32
+	Addr     [16]byte /* in6_addr */
+	Scope_id uint32
+}
+
+const (
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x30
+
+	sizeofSockaddrInet  = 0x10
+	sizeofSockaddrInet6 = 0x1c
+)

vendor/golang.org/x/net/internal/socket/zsys_zos_s390x.go

@@ -0,0 +1,32 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package socket
+
+type iovec struct {
+	Base *byte
+	Len  uint64
+}
+
+type msghdr struct {
+	Name       *byte
+	Iov        *iovec
+	Control    *byte
+	Flags      int32
+	Namelen    uint32
+	Iovlen     int32
+	Controllen uint32
+}
+
+type cmsghdr struct {
+	Len   int32
+	Level int32
+	Type  int32
+}
+
+const (
+	sizeofCmsghdr       = 12
+	sizeofSockaddrInet  = 16
+	sizeofSockaddrInet6 = 28
+)

vendor/golang.org/x/net/ipv4/control_zos.go

@@ -0,0 +1,86 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package ipv4
+
+import (
+	"net"
+	"unsafe"
+
+	"golang.org/x/net/internal/iana"
+	"golang.org/x/net/internal/socket"
+)
+
+func marshalPacketInfo(b []byte, cm *ControlMessage) []byte {
+	m := socket.ControlMessage(b)
+	m.MarshalHeader(iana.ProtocolIP, sysIP_PKTINFO, sizeofInetPktinfo)
+	if cm != nil {
+		pi := (*inetPktinfo)(unsafe.Pointer(&m.Data(sizeofInetPktinfo)[0]))
+		if ip := cm.Src.To4(); ip != nil {
+			copy(pi.Addr[:], ip)
+		}
+		if cm.IfIndex > 0 {
+			pi.setIfindex(cm.IfIndex)
+		}
+	}
+	return m.Next(sizeofInetPktinfo)
+}
+
+func parsePacketInfo(cm *ControlMessage, b []byte) {
+	pi := (*inetPktinfo)(unsafe.Pointer(&b[0]))
+	cm.IfIndex = int(pi.Ifindex)
+	if len(cm.Dst) < net.IPv4len {
+		cm.Dst = make(net.IP, net.IPv4len)
+	}
+	copy(cm.Dst, pi.Addr[:])
+}
+
+func setControlMessage(c *socket.Conn, opt *rawOpt, cf ControlFlags, on bool) error {
+	opt.Lock()
+	defer opt.Unlock()
+	if so, ok := sockOpts[ssoReceiveTTL]; ok && cf&FlagTTL != 0 {
+		if err := so.SetInt(c, boolint(on)); err != nil {
+			return err
+		}
+		if on {
+			opt.set(FlagTTL)
+		} else {
+			opt.clear(FlagTTL)
+		}
+	}
+	if so, ok := sockOpts[ssoPacketInfo]; ok {
+		if cf&(FlagSrc|FlagDst|FlagInterface) != 0 {
+			if err := so.SetInt(c, boolint(on)); err != nil {
+				return err
+			}
+			if on {
+				opt.set(cf & (FlagSrc | FlagDst | FlagInterface))
+			} else {
+				opt.clear(cf & (FlagSrc | FlagDst | FlagInterface))
+			}
+		}
+	} else {
+		if so, ok := sockOpts[ssoReceiveDst]; ok && cf&FlagDst != 0 {
+			if err := so.SetInt(c, boolint(on)); err != nil {
+				return err
+			}
+			if on {
+				opt.set(FlagDst)
+			} else {
+				opt.clear(FlagDst)
+			}
+		}
+		if so, ok := sockOpts[ssoReceiveInterface]; ok && cf&FlagInterface != 0 {
+			if err := so.SetInt(c, boolint(on)); err != nil {
+				return err
+			}
+			if on {
+				opt.set(FlagInterface)
+			} else {
+				opt.clear(FlagInterface)
+			}
+		}
+	}
+	return nil
+}

vendor/golang.org/x/net/ipv4/sys_zos.go

@@ -0,0 +1,55 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package ipv4
+
+import (
+	"net"
+	"syscall"
+	"unsafe"
+
+	"golang.org/x/net/internal/iana"
+	"golang.org/x/net/internal/socket"
+)
+
+var (
+	ctlOpts = [ctlMax]ctlOpt{
+		ctlPacketInfo: {sysIP_PKTINFO, sizeofInetPktinfo, marshalPacketInfo, parsePacketInfo},
+	}
+
+	sockOpts = map[int]*sockOpt{
+		ssoMulticastTTL:       {Option: socket.Option{Level: iana.ProtocolIP, Name: sysIP_MULTICAST_TTL, Len: 1}},
+		ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysIP_MULTICAST_IF, Len: 4}},
+		ssoMulticastLoopback:  {Option: socket.Option{Level: iana.ProtocolIP, Name: sysIP_MULTICAST_LOOP, Len: 1}},
+		ssoPacketInfo:         {Option: socket.Option{Level: iana.ProtocolIP, Name: sysIP_RECVPKTINFO, Len: 4}},
+		ssoJoinGroup:          {Option: socket.Option{Level: iana.ProtocolIP, Name: sysMCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
+		ssoLeaveGroup:         {Option: socket.Option{Level: iana.ProtocolIP, Name: sysMCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
+		ssoJoinSourceGroup:    {Option: socket.Option{Level: iana.ProtocolIP, Name: sysMCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
+		ssoLeaveSourceGroup:   {Option: socket.Option{Level: iana.ProtocolIP, Name: sysMCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
+		ssoBlockSourceGroup:   {Option: socket.Option{Level: iana.ProtocolIP, Name: sysMCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
+		ssoUnblockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: sysMCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
+	}
+)
+
+func (pi *inetPktinfo) setIfindex(i int) {
+	pi.Ifindex = uint32(i)
+}
+
+func (gr *groupReq) setGroup(grp net.IP) {
+	sa := (*sockaddrInet4)(unsafe.Pointer(&gr.Group))
+	sa.Family = syscall.AF_INET
+	sa.Len = sizeofSockaddrInet4
+	copy(sa.Addr[:], grp)
+}
+
+func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) {
+	sa := (*sockaddrInet4)(unsafe.Pointer(&gsr.Group))
+	sa.Family = syscall.AF_INET
+	sa.Len = sizeofSockaddrInet4
+	copy(sa.Addr[:], grp)
+	sa = (*sockaddrInet4)(unsafe.Pointer(&gsr.Source))
+	sa.Family = syscall.AF_INET
+	sa.Len = sizeofSockaddrInet4
+	copy(sa.Addr[:], src)
+}

vendor/golang.org/x/net/ipv4/zsys_zos_s390x.go

@@ -0,0 +1,80 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Hand edited based on zerrors_zos_s390x.go
+// TODO(Bill O'Farrell): auto-generate.
+
+package ipv4
+
+const (
+	sysIP_ADD_MEMBERSHIP         = 5
+	sysIP_ADD_SOURCE_MEMBERSHIP  = 12
+	sysIP_BLOCK_SOURCE           = 10
+	sysIP_DEFAULT_MULTICAST_LOOP = 1
+	sysIP_DEFAULT_MULTICAST_TTL  = 1
+	sysIP_DROP_MEMBERSHIP        = 6
+	sysIP_DROP_SOURCE_MEMBERSHIP = 13
+	sysIP_MAX_MEMBERSHIPS        = 20
+	sysIP_MULTICAST_IF           = 7
+	sysIP_MULTICAST_LOOP         = 4
+	sysIP_MULTICAST_TTL          = 3
+	sysIP_OPTIONS                = 1
+	sysIP_PKTINFO                = 101
+	sysIP_RECVPKTINFO            = 102
+	sysIP_TOS                    = 2
+	sysIP_UNBLOCK_SOURCE         = 11
+
+	sysMCAST_JOIN_GROUP         = 40
+	sysMCAST_LEAVE_GROUP        = 41
+	sysMCAST_JOIN_SOURCE_GROUP  = 42
+	sysMCAST_LEAVE_SOURCE_GROUP = 43
+	sysMCAST_BLOCK_SOURCE       = 44
+	sysMCAST_UNBLOCK_SOURCE     = 45
+
+	sizeofIPMreq          = 8
+	sizeofSockaddrInet4   = 16
+	sizeofSockaddrStorage = 128
+	sizeofGroupReq        = 136
+	sizeofGroupSourceReq  = 264
+	sizeofInetPktinfo     = 8
+)
+
+type sockaddrInet4 struct {
+	Len    uint8
+	Family uint8
+	Port   uint16
+	Addr   [4]byte
+	Zero   [8]uint8
+}
+
+type inetPktinfo struct {
+	Addr    [4]byte
+	Ifindex uint32
+}
+
+type sockaddrStorage struct {
+	Len      uint8
+	Family   byte
+	ss_pad1  [6]byte
+	ss_align int64
+	ss_pad2  [112]byte
+}
+
+type groupReq struct {
+	Interface uint32
+	reserved  uint32
+	Group     sockaddrStorage
+}
+
+type groupSourceReq struct {
+	Interface uint32
+	reserved  uint32
+	Group     sockaddrStorage
+	Source    sockaddrStorage
+}
+
+type ipMreq struct {
+	Multiaddr [4]byte /* in_addr */
+	Interface [4]byte /* in_addr */
+}

vendor/golang.org/x/net/ipv6/icmp_zos.go

@@ -0,0 +1,29 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package ipv6
+
+func (f *icmpv6Filter) accept(typ ICMPType) {
+	f.Filt[typ>>5] |= 1 << (uint32(typ) & 31)
+
+}
+
+func (f *icmpv6Filter) block(typ ICMPType) {
+	f.Filt[typ>>5] &^= 1 << (uint32(typ) & 31)
+
+}
+
+func (f *icmpv6Filter) setAll(block bool) {
+	for i := range f.Filt {
+		if block {
+			f.Filt[i] = 0
+		} else {
+			f.Filt[i] = 1<<32 - 1
+		}
+	}
+}
+
+func (f *icmpv6Filter) willBlock(typ ICMPType) bool {
+	return f.Filt[typ>>5]&(1<<(uint32(typ)&31)) == 0
+}

vendor/golang.org/x/net/ipv6/sys_zos.go

@@ -0,0 +1,70 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package ipv6
+
+import (
+	"net"
+	"syscall"
+	"unsafe"
+
+	"golang.org/x/net/internal/iana"
+	"golang.org/x/net/internal/socket"
+)
+
+var (
+	ctlOpts = [ctlMax]ctlOpt{
+		ctlHopLimit:   {sysIPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit},
+		ctlPacketInfo: {sysIPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo},
+		ctlPathMTU:    {sysIPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU},
+	}
+
+	sockOpts = map[int]*sockOpt{
+		ssoTrafficClass:        {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_TCLASS, Len: 4}},
+		ssoHopLimit:            {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_UNICAST_HOPS, Len: 4}},
+		ssoMulticastInterface:  {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_MULTICAST_IF, Len: 4}},
+		ssoMulticastHopLimit:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_MULTICAST_HOPS, Len: 4}},
+		ssoMulticastLoopback:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_MULTICAST_LOOP, Len: 4}},
+		ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_RECVTCLASS, Len: 4}},
+		ssoReceiveHopLimit:     {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_RECVHOPLIMIT, Len: 4}},
+		ssoReceivePacketInfo:   {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_RECVPKTINFO, Len: 4}},
+		ssoReceivePathMTU:      {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_RECVPATHMTU, Len: 4}},
+		ssoChecksum:            {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysIPV6_CHECKSUM, Len: 4}},
+		ssoICMPFilter:          {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: sysICMP6_FILTER, Len: sizeofICMPv6Filter}},
+		ssoJoinGroup:           {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysMCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
+		ssoLeaveGroup:          {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysMCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq},
+		ssoJoinSourceGroup:     {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysMCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
+		ssoLeaveSourceGroup:    {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysMCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
+		ssoBlockSourceGroup:    {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysMCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
+		ssoUnblockSourceGroup:  {Option: socket.Option{Level: iana.ProtocolIPv6, Name: sysMCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq},
+	}
+)
+
+func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) {
+	sa.Family = syscall.AF_INET6
+	copy(sa.Addr[:], ip)
+	sa.Scope_id = uint32(i)
+}
+
+func (pi *inet6Pktinfo) setIfindex(i int) {
+	pi.Ifindex = uint32(i)
+}
+
+func (gr *groupReq) setGroup(grp net.IP) {
+	sa := (*sockaddrInet6)(unsafe.Pointer(&gr.Group))
+	sa.Family = syscall.AF_INET6
+	sa.Len = sizeofSockaddrInet6
+	copy(sa.Addr[:], grp)
+}
+
+func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) {
+	sa := (*sockaddrInet6)(unsafe.Pointer(&gsr.Group))
+	sa.Family = syscall.AF_INET6
+	sa.Len = sizeofSockaddrInet6
+	copy(sa.Addr[:], grp)
+	sa = (*sockaddrInet6)(unsafe.Pointer(&gsr.Source))
+	sa.Family = syscall.AF_INET6
+	sa.Len = sizeofSockaddrInet6
+	copy(sa.Addr[:], src)
+}

vendor/golang.org/x/net/ipv6/zsys_zos_s390x.go

@@ -0,0 +1,106 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Hand edited based on zerrors_zos_s390x.go
+// TODO(Bill O'Farrell): auto-generate.
+
+package ipv6
+
+const (
+	sysIPV6_ADDR_PREFERENCES  = 32
+	sysIPV6_CHECKSUM          = 19
+	sysIPV6_DONTFRAG          = 29
+	sysIPV6_DSTOPTS           = 23
+	sysIPV6_HOPLIMIT          = 11
+	sysIPV6_HOPOPTS           = 22
+	sysIPV6_JOIN_GROUP        = 5
+	sysIPV6_LEAVE_GROUP       = 6
+	sysIPV6_MULTICAST_HOPS    = 9
+	sysIPV6_MULTICAST_IF      = 7
+	sysIPV6_MULTICAST_LOOP    = 4
+	sysIPV6_NEXTHOP           = 20
+	sysIPV6_PATHMTU           = 12
+	sysIPV6_PKTINFO           = 13
+	sysIPV6_PREFER_SRC_CGA    = 0x10
+	sysIPV6_PREFER_SRC_COA    = 0x02
+	sysIPV6_PREFER_SRC_HOME   = 0x01
+	sysIPV6_PREFER_SRC_NONCGA = 0x20
+	sysIPV6_PREFER_SRC_PUBLIC = 0x08
+	sysIPV6_PREFER_SRC_TMP    = 0x04
+	sysIPV6_RECVDSTOPTS       = 28
+	sysIPV6_RECVHOPLIMIT      = 14
+	sysIPV6_RECVHOPOPTS       = 26
+	sysIPV6_RECVPATHMTU       = 16
+	sysIPV6_RECVPKTINFO       = 15
+	sysIPV6_RECVRTHDR         = 25
+	sysIPV6_RECVTCLASS        = 31
+	sysIPV6_RTHDR             = 21
+	sysIPV6_RTHDRDSTOPTS      = 24
+	sysIPV6_RTHDR_TYPE_0      = 0
+	sysIPV6_TCLASS            = 30
+	sysIPV6_UNICAST_HOPS      = 3
+	sysIPV6_USE_MIN_MTU       = 18
+	sysIPV6_V6ONLY            = 10
+
+	sysMCAST_JOIN_GROUP         = 40
+	sysMCAST_LEAVE_GROUP        = 41
+	sysMCAST_JOIN_SOURCE_GROUP  = 42
+	sysMCAST_LEAVE_SOURCE_GROUP = 43
+	sysMCAST_BLOCK_SOURCE       = 44
+	sysMCAST_UNBLOCK_SOURCE     = 45
+
+	sysICMP6_FILTER = 0x1
+
+	sizeofSockaddrStorage = 128
+	sizeofICMPv6Filter    = 32
+	sizeofInet6Pktinfo    = 20
+	sizeofIPv6Mtuinfo     = 32
+	sizeofSockaddrInet6   = 28
+	sizeofGroupReq        = 136
+	sizeofGroupSourceReq  = 264
+)
+
+type sockaddrStorage struct {
+	Len      uint8
+	Family   byte
+	ss_pad1  [6]byte
+	ss_align int64
+	ss_pad2  [112]byte
+}
+
+type sockaddrInet6 struct {
+	Len      uint8
+	Family   uint8
+	Port     uint16
+	Flowinfo uint32
+	Addr     [16]byte
+	Scope_id uint32
+}
+
+type inet6Pktinfo struct {
+	Addr    [16]byte
+	Ifindex uint32
+}
+
+type ipv6Mtuinfo struct {
+	Addr sockaddrInet6
+	Mtu  uint32
+}
+
+type groupReq struct {
+	Interface uint32
+	reserved  uint32
+	Group     sockaddrStorage
+}
+
+type groupSourceReq struct {
+	Interface uint32
+	reserved  uint32
+	Group     sockaddrStorage
+	Source    sockaddrStorage
+}
+
+type icmpv6Filter struct {
+	Filt [8]uint32
+}

vendor/golang.org/x/sys/plan9/asm.s

@@ -0,0 +1,8 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include "textflag.h"
+
+TEXT ·use(SB),NOSPLIT,$0
+	RET

vendor/golang.org/x/sys/plan9/asm_plan9_386.s

@@ -0,0 +1,30 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include "textflag.h"
+
+//
+// System call support for 386, Plan 9
+//
+
+// Just jump to package syscall's implementation for all these functions.
+// The runtime may know about them.
+
+TEXT	·Syscall(SB),NOSPLIT,$0-32
+	JMP	syscall·Syscall(SB)
+
+TEXT	·Syscall6(SB),NOSPLIT,$0-44
+	JMP	syscall·Syscall6(SB)
+
+TEXT ·RawSyscall(SB),NOSPLIT,$0-28
+	JMP	syscall·RawSyscall(SB)
+
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
+	JMP	syscall·RawSyscall6(SB)
+
+TEXT ·seek(SB),NOSPLIT,$0-36
+	JMP	syscall·seek(SB)
+
+TEXT ·exit(SB),NOSPLIT,$4-4
+	JMP	syscall·exit(SB)

vendor/golang.org/x/sys/plan9/asm_plan9_amd64.s

@@ -0,0 +1,30 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include "textflag.h"
+
+//
+// System call support for amd64, Plan 9
+//
+
+// Just jump to package syscall's implementation for all these functions.
+// The runtime may know about them.
+
+TEXT	·Syscall(SB),NOSPLIT,$0-64
+	JMP	syscall·Syscall(SB)
+
+TEXT	·Syscall6(SB),NOSPLIT,$0-88
+	JMP	syscall·Syscall6(SB)
+
+TEXT ·RawSyscall(SB),NOSPLIT,$0-56
+	JMP	syscall·RawSyscall(SB)
+
+TEXT	·RawSyscall6(SB),NOSPLIT,$0-80
+	JMP	syscall·RawSyscall6(SB)
+
+TEXT ·seek(SB),NOSPLIT,$0-56
+	JMP	syscall·seek(SB)
+
+TEXT ·exit(SB),NOSPLIT,$8-8
+	JMP	syscall·exit(SB)

vendor/golang.org/x/sys/plan9/asm_plan9_arm.s

@@ -0,0 +1,25 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include "textflag.h"
+
+// System call support for plan9 on arm
+
+// Just jump to package syscall's implementation for all these functions.
+// The runtime may know about them.
+
+TEXT ·Syscall(SB),NOSPLIT,$0-32
+	JMP	syscall·Syscall(SB)
+
+TEXT ·Syscall6(SB),NOSPLIT,$0-44
+	JMP	syscall·Syscall6(SB)
+
+TEXT ·RawSyscall(SB),NOSPLIT,$0-28
+	JMP	syscall·RawSyscall(SB)
+
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
+	JMP	syscall·RawSyscall6(SB)
+
+TEXT ·seek(SB),NOSPLIT,$0-36
+	JMP	syscall·exit(SB)

vendor/golang.org/x/sys/plan9/const_plan9.go

@@ -0,0 +1,70 @@
+package plan9
+
+// Plan 9 Constants
+
+// Open modes
+const (
+	O_RDONLY  = 0
+	O_WRONLY  = 1
+	O_RDWR    = 2
+	O_TRUNC   = 16
+	O_CLOEXEC = 32
+	O_EXCL    = 0x1000
+)
+
+// Rfork flags
+const (
+	RFNAMEG  = 1 << 0
+	RFENVG   = 1 << 1
+	RFFDG    = 1 << 2
+	RFNOTEG  = 1 << 3
+	RFPROC   = 1 << 4
+	RFMEM    = 1 << 5
+	RFNOWAIT = 1 << 6
+	RFCNAMEG = 1 << 10
+	RFCENVG  = 1 << 11
+	RFCFDG   = 1 << 12
+	RFREND   = 1 << 13
+	RFNOMNT  = 1 << 14
+)
+
+// Qid.Type bits
+const (
+	QTDIR    = 0x80
+	QTAPPEND = 0x40
+	QTEXCL   = 0x20
+	QTMOUNT  = 0x10
+	QTAUTH   = 0x08
+	QTTMP    = 0x04
+	QTFILE   = 0x00
+)
+
+// Dir.Mode bits
+const (
+	DMDIR    = 0x80000000
+	DMAPPEND = 0x40000000
+	DMEXCL   = 0x20000000
+	DMMOUNT  = 0x10000000
+	DMAUTH   = 0x08000000
+	DMTMP    = 0x04000000
+	DMREAD   = 0x4
+	DMWRITE  = 0x2
+	DMEXEC   = 0x1
+)
+
+const (
+	STATMAX    = 65535
+	ERRMAX     = 128
+	STATFIXLEN = 49
+)
+
+// Mount and bind flags
+const (
+	MREPL   = 0x0000
+	MBEFORE = 0x0001
+	MAFTER  = 0x0002
+	MORDER  = 0x0003
+	MCREATE = 0x0004
+	MCACHE  = 0x0010
+	MMASK   = 0x0017
+)

vendor/golang.org/x/sys/plan9/dir_plan9.go

@@ -0,0 +1,212 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Plan 9 directory marshalling. See intro(5).
+
+package plan9
+
+import "errors"
+
+var (
+	ErrShortStat = errors.New("stat buffer too short")
+	ErrBadStat   = errors.New("malformed stat buffer")
+	ErrBadName   = errors.New("bad character in file name")
+)
+
+// A Qid represents a 9P server's unique identification for a file.
+type Qid struct {
+	Path uint64 // the file server's unique identification for the file
+	Vers uint32 // version number for given Path
+	Type uint8  // the type of the file (plan9.QTDIR for example)
+}
+
+// A Dir contains the metadata for a file.
+type Dir struct {
+	// system-modified data
+	Type uint16 // server type
+	Dev  uint32 // server subtype
+
+	// file data
+	Qid    Qid    // unique id from server
+	Mode   uint32 // permissions
+	Atime  uint32 // last read time
+	Mtime  uint32 // last write time
+	Length int64  // file length
+	Name   string // last element of path
+	Uid    string // owner name
+	Gid    string // group name
+	Muid   string // last modifier name
+}
+
+var nullDir = Dir{
+	Type: ^uint16(0),
+	Dev:  ^uint32(0),
+	Qid: Qid{
+		Path: ^uint64(0),
+		Vers: ^uint32(0),
+		Type: ^uint8(0),
+	},
+	Mode:   ^uint32(0),
+	Atime:  ^uint32(0),
+	Mtime:  ^uint32(0),
+	Length: ^int64(0),
+}
+
+// Null assigns special "don't touch" values to members of d to
+// avoid modifying them during plan9.Wstat.
+func (d *Dir) Null() { *d = nullDir }
+
+// Marshal encodes a 9P stat message corresponding to d into b
+//
+// If there isn't enough space in b for a stat message, ErrShortStat is returned.
+func (d *Dir) Marshal(b []byte) (n int, err error) {
+	n = STATFIXLEN + len(d.Name) + len(d.Uid) + len(d.Gid) + len(d.Muid)
+	if n > len(b) {
+		return n, ErrShortStat
+	}
+
+	for _, c := range d.Name {
+		if c == '/' {
+			return n, ErrBadName
+		}
+	}
+
+	b = pbit16(b, uint16(n)-2)
+	b = pbit16(b, d.Type)
+	b = pbit32(b, d.Dev)
+	b = pbit8(b, d.Qid.Type)
+	b = pbit32(b, d.Qid.Vers)
+	b = pbit64(b, d.Qid.Path)
+	b = pbit32(b, d.Mode)
+	b = pbit32(b, d.Atime)
+	b = pbit32(b, d.Mtime)
+	b = pbit64(b, uint64(d.Length))
+	b = pstring(b, d.Name)
+	b = pstring(b, d.Uid)
+	b = pstring(b, d.Gid)
+	b = pstring(b, d.Muid)
+
+	return n, nil
+}
+
+// UnmarshalDir decodes a single 9P stat message from b and returns the resulting Dir.
+//
+// If b is too small to hold a valid stat message, ErrShortStat is returned.
+//
+// If the stat message itself is invalid, ErrBadStat is returned.
+func UnmarshalDir(b []byte) (*Dir, error) {
+	if len(b) < STATFIXLEN {
+		return nil, ErrShortStat
+	}
+	size, buf := gbit16(b)
+	if len(b) != int(size)+2 {
+		return nil, ErrBadStat
+	}
+	b = buf
+
+	var d Dir
+	d.Type, b = gbit16(b)
+	d.Dev, b = gbit32(b)
+	d.Qid.Type, b = gbit8(b)
+	d.Qid.Vers, b = gbit32(b)
+	d.Qid.Path, b = gbit64(b)
+	d.Mode, b = gbit32(b)
+	d.Atime, b = gbit32(b)
+	d.Mtime, b = gbit32(b)
+
+	n, b := gbit64(b)
+	d.Length = int64(n)
+
+	var ok bool
+	if d.Name, b, ok = gstring(b); !ok {
+		return nil, ErrBadStat
+	}
+	if d.Uid, b, ok = gstring(b); !ok {
+		return nil, ErrBadStat
+	}
+	if d.Gid, b, ok = gstring(b); !ok {
+		return nil, ErrBadStat
+	}
+	if d.Muid, b, ok = gstring(b); !ok {
+		return nil, ErrBadStat
+	}
+
+	return &d, nil
+}
+
+// pbit8 copies the 8-bit number v to b and returns the remaining slice of b.
+func pbit8(b []byte, v uint8) []byte {
+	b[0] = byte(v)
+	return b[1:]
+}
+
+// pbit16 copies the 16-bit number v to b in little-endian order and returns the remaining slice of b.
+func pbit16(b []byte, v uint16) []byte {
+	b[0] = byte(v)
+	b[1] = byte(v >> 8)
+	return b[2:]
+}
+
+// pbit32 copies the 32-bit number v to b in little-endian order and returns the remaining slice of b.
+func pbit32(b []byte, v uint32) []byte {
+	b[0] = byte(v)
+	b[1] = byte(v >> 8)
+	b[2] = byte(v >> 16)
+	b[3] = byte(v >> 24)
+	return b[4:]
+}
+
+// pbit64 copies the 64-bit number v to b in little-endian order and returns the remaining slice of b.
+func pbit64(b []byte, v uint64) []byte {
+	b[0] = byte(v)
+	b[1] = byte(v >> 8)
+	b[2] = byte(v >> 16)
+	b[3] = byte(v >> 24)
+	b[4] = byte(v >> 32)
+	b[5] = byte(v >> 40)
+	b[6] = byte(v >> 48)
+	b[7] = byte(v >> 56)
+	return b[8:]
+}
+
+// pstring copies the string s to b, prepending it with a 16-bit length in little-endian order, and
+// returning the remaining slice of b..
+func pstring(b []byte, s string) []byte {
+	b = pbit16(b, uint16(len(s)))
+	n := copy(b, s)
+	return b[n:]
+}
+
+// gbit8 reads an 8-bit number from b and returns it with the remaining slice of b.
+func gbit8(b []byte) (uint8, []byte) {
+	return uint8(b[0]), b[1:]
+}
+
+// gbit16 reads a 16-bit number in little-endian order from b and returns it with the remaining slice of b.
+func gbit16(b []byte) (uint16, []byte) {
+	return uint16(b[0]) | uint16(b[1])<<8, b[2:]
+}
+
+// gbit32 reads a 32-bit number in little-endian order from b and returns it with the remaining slice of b.
+func gbit32(b []byte) (uint32, []byte) {
+	return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24, b[4:]
+}
+
+// gbit64 reads a 64-bit number in little-endian order from b and returns it with the remaining slice of b.
+func gbit64(b []byte) (uint64, []byte) {
+	lo := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
+	hi := uint32(b[4]) | uint32(b[5])<<8 | uint32(b[6])<<16 | uint32(b[7])<<24
+	return uint64(lo) | uint64(hi)<<32, b[8:]
+}
+
+// gstring reads a string from b, prefixed with a 16-bit length in little-endian order.
+// It returns the string with the remaining slice of b and a boolean. If the length is
+// greater than the number of bytes in b, the boolean will be false.
+func gstring(b []byte) (string, []byte, bool) {
+	n, b := gbit16(b)
+	if int(n) > len(b) {
+		return "", b, false
+	}
+	return string(b[:n]), b[n:], true
+}

vendor/golang.org/x/sys/plan9/env_plan9.go

@@ -0,0 +1,31 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Plan 9 environment variables.
+
+package plan9
+
+import (
+	"syscall"
+)
+
+func Getenv(key string) (value string, found bool) {
+	return syscall.Getenv(key)
+}
+
+func Setenv(key, value string) error {
+	return syscall.Setenv(key, value)
+}
+
+func Clearenv() {
+	syscall.Clearenv()
+}
+
+func Environ() []string {
+	return syscall.Environ()
+}
+
+func Unsetenv(key string) error {
+	return syscall.Unsetenv(key)
+}

vendor/golang.org/x/sys/plan9/errors_plan9.go

@@ -0,0 +1,50 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package plan9
+
+import "syscall"
+
+// Constants
+const (
+	// Invented values to support what package os expects.
+	O_CREAT    = 0x02000
+	O_APPEND   = 0x00400
+	O_NOCTTY   = 0x00000
+	O_NONBLOCK = 0x00000
+	O_SYNC     = 0x00000
+	O_ASYNC    = 0x00000
+
+	S_IFMT   = 0x1f000
+	S_IFIFO  = 0x1000
+	S_IFCHR  = 0x2000
+	S_IFDIR  = 0x4000
+	S_IFBLK  = 0x6000
+	S_IFREG  = 0x8000
+	S_IFLNK  = 0xa000
+	S_IFSOCK = 0xc000
+)
+
+// Errors
+var (
+	EINVAL       = syscall.NewError("bad arg in system call")
+	ENOTDIR      = syscall.NewError("not a directory")
+	EISDIR       = syscall.NewError("file is a directory")
+	ENOENT       = syscall.NewError("file does not exist")
+	EEXIST       = syscall.NewError("file already exists")
+	EMFILE       = syscall.NewError("no free file descriptors")
+	EIO          = syscall.NewError("i/o error")
+	ENAMETOOLONG = syscall.NewError("file name too long")
+	EINTR        = syscall.NewError("interrupted")
+	EPERM        = syscall.NewError("permission denied")
+	EBUSY        = syscall.NewError("no free devices")
+	ETIMEDOUT    = syscall.NewError("connection timed out")
+	EPLAN9       = syscall.NewError("not supported by plan 9")
+
+	// The following errors do not correspond to any
+	// Plan 9 system messages. Invented to support
+	// what package os and others expect.
+	EACCES       = syscall.NewError("access permission denied")
+	EAFNOSUPPORT = syscall.NewError("address family not supported by protocol")
+)

vendor/golang.org/x/sys/plan9/mkall.sh

@@ -0,0 +1,150 @@
+#!/usr/bin/env bash
+# Copyright 2009 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+# The plan9 package provides access to the raw system call
+# interface of the underlying operating system.  Porting Go to
+# a new architecture/operating system combination requires
+# some manual effort, though there are tools that automate
+# much of the process.  The auto-generated files have names
+# beginning with z.
+#
+# This script runs or (given -n) prints suggested commands to generate z files
+# for the current system.  Running those commands is not automatic.
+# This script is documentation more than anything else.
+#
+# * asm_${GOOS}_${GOARCH}.s
+#
+# This hand-written assembly file implements system call dispatch.
+# There are three entry points:
+#
+# 	func Syscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr);
+# 	func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr);
+# 	func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr);
+#
+# The first and second are the standard ones; they differ only in
+# how many arguments can be passed to the kernel.
+# The third is for low-level use by the ForkExec wrapper;
+# unlike the first two, it does not call into the scheduler to
+# let it know that a system call is running.
+#
+# * syscall_${GOOS}.go
+#
+# This hand-written Go file implements system calls that need
+# special handling and lists "//sys" comments giving prototypes
+# for ones that can be auto-generated.  Mksyscall reads those
+# comments to generate the stubs.
+#
+# * syscall_${GOOS}_${GOARCH}.go
+#
+# Same as syscall_${GOOS}.go except that it contains code specific
+# to ${GOOS} on one particular architecture.
+#
+# * types_${GOOS}.c
+#
+# This hand-written C file includes standard C headers and then
+# creates typedef or enum names beginning with a dollar sign
+# (use of $ in variable names is a gcc extension).  The hardest
+# part about preparing this file is figuring out which headers to
+# include and which symbols need to be #defined to get the
+# actual data structures that pass through to the kernel system calls.
+# Some C libraries present alternate versions for binary compatibility
+# and translate them on the way in and out of system calls, but
+# there is almost always a #define that can get the real ones.
+# See types_darwin.c and types_linux.c for examples.
+#
+# * zerror_${GOOS}_${GOARCH}.go
+#
+# This machine-generated file defines the system's error numbers,
+# error strings, and signal numbers.  The generator is "mkerrors.sh".
+# Usually no arguments are needed, but mkerrors.sh will pass its
+# arguments on to godefs.
+#
+# * zsyscall_${GOOS}_${GOARCH}.go
+#
+# Generated by mksyscall.pl; see syscall_${GOOS}.go above.
+#
+# * zsysnum_${GOOS}_${GOARCH}.go
+#
+# Generated by mksysnum_${GOOS}.
+#
+# * ztypes_${GOOS}_${GOARCH}.go
+#
+# Generated by godefs; see types_${GOOS}.c above.
+
+GOOSARCH="${GOOS}_${GOARCH}"
+
+# defaults
+mksyscall="go run mksyscall.go"
+mkerrors="./mkerrors.sh"
+zerrors="zerrors_$GOOSARCH.go"
+mksysctl=""
+zsysctl="zsysctl_$GOOSARCH.go"
+mksysnum=
+mktypes=
+run="sh"
+
+case "$1" in
+-syscalls)
+	for i in zsyscall*go
+	do
+		sed 1q $i | sed 's;^// ;;' | sh > _$i && gofmt < _$i > $i
+		rm _$i
+	done
+	exit 0
+	;;
+-n)
+	run="cat"
+	shift
+esac
+
+case "$#" in
+0)
+	;;
+*)
+	echo 'usage: mkall.sh [-n]' 1>&2
+	exit 2
+esac
+
+case "$GOOSARCH" in
+_* | *_ | _)
+	echo 'undefined $GOOS_$GOARCH:' "$GOOSARCH" 1>&2
+	exit 1
+	;;
+plan9_386)
+	mkerrors=
+	mksyscall="go run mksyscall.go -l32 -plan9 -tags plan9,386"
+	mksysnum="./mksysnum_plan9.sh /n/sources/plan9/sys/src/libc/9syscall/sys.h"
+	mktypes="XXX"
+	;;
+plan9_amd64)
+	mkerrors=
+	mksyscall="go run mksyscall.go -l32 -plan9 -tags plan9,amd64"
+	mksysnum="./mksysnum_plan9.sh /n/sources/plan9/sys/src/libc/9syscall/sys.h"
+	mktypes="XXX"
+	;;
+plan9_arm)
+	mkerrors=
+	mksyscall="go run mksyscall.go -l32 -plan9 -tags plan9,arm"
+	mksysnum="./mksysnum_plan9.sh /n/sources/plan9/sys/src/libc/9syscall/sys.h"
+	mktypes="XXX"
+	;;
+*)
+	echo 'unrecognized $GOOS_$GOARCH: ' "$GOOSARCH" 1>&2
+	exit 1
+	;;
+esac
+
+(
+	if [ -n "$mkerrors" ]; then echo "$mkerrors |gofmt >$zerrors"; fi
+	case "$GOOS" in
+	plan9)
+		syscall_goos="syscall_$GOOS.go"
+		if [ -n "$mksyscall" ]; then echo "$mksyscall $syscall_goos |gofmt >zsyscall_$GOOSARCH.go"; fi
+		;;
+	esac
+	if [ -n "$mksysctl" ]; then echo "$mksysctl |gofmt >$zsysctl"; fi
+	if [ -n "$mksysnum" ]; then echo "$mksysnum |gofmt >zsysnum_$GOOSARCH.go"; fi
+	if [ -n "$mktypes" ]; then echo "$mktypes types_$GOOS.go |gofmt >ztypes_$GOOSARCH.go"; fi
+) | $run

vendor/golang.org/x/sys/plan9/mkerrors.sh

@@ -0,0 +1,246 @@
+#!/usr/bin/env bash
+# Copyright 2009 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+# Generate Go code listing errors and other #defined constant
+# values (ENAMETOOLONG etc.), by asking the preprocessor
+# about the definitions.
+
+unset LANG
+export LC_ALL=C
+export LC_CTYPE=C
+
+CC=${CC:-gcc}
+
+uname=$(uname)
+
+includes='
+#include <sys/types.h>
+#include <sys/file.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/ip.h>
+#include <netinet/ip6.h>
+#include <netinet/tcp.h>
+#include <errno.h>
+#include <sys/signal.h>
+#include <signal.h>
+#include <sys/resource.h>
+'
+
+ccflags="$@"
+
+# Write go tool cgo -godefs input.
+(
+	echo package plan9
+	echo
+	echo '/*'
+	indirect="includes_$(uname)"
+	echo "${!indirect} $includes"
+	echo '*/'
+	echo 'import "C"'
+	echo
+	echo 'const ('
+
+	# The gcc command line prints all the #defines
+	# it encounters while processing the input
+	echo "${!indirect} $includes" | $CC -x c - -E -dM $ccflags |
+	awk '
+		$1 != "#define" || $2 ~ /\(/ || $3 == "" {next}
+
+		$2 ~ /^E([ABCD]X|[BIS]P|[SD]I|S|FL)$/ {next}  # 386 registers
+		$2 ~ /^(SIGEV_|SIGSTKSZ|SIGRT(MIN|MAX))/ {next}
+		$2 ~ /^(SCM_SRCRT)$/ {next}
+		$2 ~ /^(MAP_FAILED)$/ {next}
+
+		$2 !~ /^ETH_/ &&
+		$2 !~ /^EPROC_/ &&
+		$2 !~ /^EQUIV_/ &&
+		$2 !~ /^EXPR_/ &&
+		$2 ~ /^E[A-Z0-9_]+$/ ||
+		$2 ~ /^B[0-9_]+$/ ||
+		$2 ~ /^V[A-Z0-9]+$/ ||
+		$2 ~ /^CS[A-Z0-9]/ ||
+		$2 ~ /^I(SIG|CANON|CRNL|EXTEN|MAXBEL|STRIP|UTF8)$/ ||
+		$2 ~ /^IGN/ ||
+		$2 ~ /^IX(ON|ANY|OFF)$/ ||
+		$2 ~ /^IN(LCR|PCK)$/ ||
+		$2 ~ /(^FLU?SH)|(FLU?SH$)/ ||
+		$2 ~ /^C(LOCAL|READ)$/ ||
+		$2 == "BRKINT" ||
+		$2 == "HUPCL" ||
+		$2 == "PENDIN" ||
+		$2 == "TOSTOP" ||
+		$2 ~ /^PAR/ ||
+		$2 ~ /^SIG[^_]/ ||
+		$2 ~ /^O[CNPFP][A-Z]+[^_][A-Z]+$/ ||
+		$2 ~ /^IN_/ ||
+		$2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
+		$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|ICMP6|TCP|EVFILT|NOTE|EV|SHUT|PROT|MAP|PACKET|MSG|SCM|MCL|DT|MADV|PR)_/ ||
+		$2 == "ICMPV6_FILTER" ||
+		$2 == "SOMAXCONN" ||
+		$2 == "NAME_MAX" ||
+		$2 == "IFNAMSIZ" ||
+		$2 ~ /^CTL_(MAXNAME|NET|QUERY)$/ ||
+		$2 ~ /^SYSCTL_VERS/ ||
+		$2 ~ /^(MS|MNT)_/ ||
+		$2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||
+		$2 ~ /^(O|F|FD|NAME|S|PTRACE|PT)_/ ||
+		$2 ~ /^LINUX_REBOOT_CMD_/ ||
+		$2 ~ /^LINUX_REBOOT_MAGIC[12]$/ ||
+		$2 !~ "NLA_TYPE_MASK" &&
+		$2 ~ /^(NETLINK|NLM|NLMSG|NLA|IFA|IFAN|RT|RTCF|RTN|RTPROT|RTNH|ARPHRD|ETH_P)_/ ||
+		$2 ~ /^SIOC/ ||
+		$2 ~ /^TIOC/ ||
+		$2 !~ "RTF_BITS" &&
+		$2 ~ /^(IFF|IFT|NET_RT|RTM|RTF|RTV|RTA|RTAX)_/ ||
+		$2 ~ /^BIOC/ ||
+		$2 ~ /^RUSAGE_(SELF|CHILDREN|THREAD)/ ||
+		$2 ~ /^RLIMIT_(AS|CORE|CPU|DATA|FSIZE|NOFILE|STACK)|RLIM_INFINITY/ ||
+		$2 ~ /^PRIO_(PROCESS|PGRP|USER)/ ||
+		$2 ~ /^CLONE_[A-Z_]+/ ||
+		$2 !~ /^(BPF_TIMEVAL)$/ &&
+		$2 ~ /^(BPF|DLT)_/ ||
+		$2 !~ "WMESGLEN" &&
+		$2 ~ /^W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", $2, $2)}
+		$2 ~ /^__WCOREFLAG$/ {next}
+		$2 ~ /^__W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", substr($2,3), $2)}
+
+		{next}
+	' | sort
+
+	echo ')'
+) >_const.go
+
+# Pull out the error names for later.
+errors=$(
+	echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
+	awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print $2 }' |
+	sort
+)
+
+# Pull out the signal names for later.
+signals=$(
+	echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
+	awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' |
+	egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT)' |
+	sort
+)
+
+# Again, writing regexps to a file.
+echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
+	awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print "^\t" $2 "[ \t]*=" }' |
+	sort >_error.grep
+echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
+	awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print "^\t" $2 "[ \t]*=" }' |
+	egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT)' |
+	sort >_signal.grep
+
+echo '// mkerrors.sh' "$@"
+echo '// Code generated by the command above; DO NOT EDIT.'
+echo
+go tool cgo -godefs -- "$@" _const.go >_error.out
+cat _error.out | grep -vf _error.grep | grep -vf _signal.grep
+echo
+echo '// Errors'
+echo 'const ('
+cat _error.out | grep -f _error.grep | sed 's/=\(.*\)/= Errno(\1)/'
+echo ')'
+
+echo
+echo '// Signals'
+echo 'const ('
+cat _error.out | grep -f _signal.grep | sed 's/=\(.*\)/= Signal(\1)/'
+echo ')'
+
+# Run C program to print error and syscall strings.
+(
+	echo -E "
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <ctype.h>
+#include <string.h>
+#include <signal.h>
+
+#define nelem(x) (sizeof(x)/sizeof((x)[0]))
+
+enum { A = 'A', Z = 'Z', a = 'a', z = 'z' }; // avoid need for single quotes below
+
+int errors[] = {
+"
+	for i in $errors
+	do
+		echo -E '	'$i,
+	done
+
+	echo -E "
+};
+
+int signals[] = {
+"
+	for i in $signals
+	do
+		echo -E '	'$i,
+	done
+
+	# Use -E because on some systems bash builtin interprets \n itself.
+	echo -E '
+};
+
+static int
+intcmp(const void *a, const void *b)
+{
+	return *(int*)a - *(int*)b;
+}
+
+int
+main(void)
+{
+	int i, j, e;
+	char buf[1024], *p;
+
+	printf("\n\n// Error table\n");
+	printf("var errors = [...]string {\n");
+	qsort(errors, nelem(errors), sizeof errors[0], intcmp);
+	for(i=0; i<nelem(errors); i++) {
+		e = errors[i];
+		if(i > 0 && errors[i-1] == e)
+			continue;
+		strcpy(buf, strerror(e));
+		// lowercase first letter: Bad -> bad, but STREAM -> STREAM.
+		if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
+			buf[0] += a - A;
+		printf("\t%d: \"%s\",\n", e, buf);
+	}
+	printf("}\n\n");
+	
+	printf("\n\n// Signal table\n");
+	printf("var signals = [...]string {\n");
+	qsort(signals, nelem(signals), sizeof signals[0], intcmp);
+	for(i=0; i<nelem(signals); i++) {
+		e = signals[i];
+		if(i > 0 && signals[i-1] == e)
+			continue;
+		strcpy(buf, strsignal(e));
+		// lowercase first letter: Bad -> bad, but STREAM -> STREAM.
+		if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
+			buf[0] += a - A;
+		// cut trailing : number.
+		p = strrchr(buf, ":"[0]);
+		if(p)
+			*p = '\0';
+		printf("\t%d: \"%s\",\n", e, buf);
+	}
+	printf("}\n\n");
+
+	return 0;
+}
+
+'
+) >_errors.c
+
+$CC $ccflags -o _errors _errors.c && $GORUN ./_errors && rm -f _errors.c _errors _const.go _error.grep _signal.grep _error.out

vendor/golang.org/x/sys/plan9/mksysnum_plan9.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+# Copyright 2009 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+COMMAND="mksysnum_plan9.sh $@"
+
+cat <<EOF
+// $COMMAND
+// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
+
+package plan9
+
+const(
+EOF
+
+SP='[ 	]' # space or tab
+sed "s/^#define${SP}\\([A-Z0-9_][A-Z0-9_]*\\)${SP}${SP}*\\([0-9][0-9]*\\)/SYS_\\1=\\2/g" \
+	< $1 | grep -v SYS__
+
+cat <<EOF
+)
+EOF

vendor/golang.org/x/sys/plan9/pwd_go15_plan9.go

@@ -0,0 +1,21 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build go1.5
+
+package plan9
+
+import "syscall"
+
+func fixwd() {
+	syscall.Fixwd()
+}
+
+func Getwd() (wd string, err error) {
+	return syscall.Getwd()
+}
+
+func Chdir(path string) error {
+	return syscall.Chdir(path)
+}

vendor/golang.org/x/sys/plan9/pwd_plan9.go

@@ -0,0 +1,23 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build !go1.5
+
+package plan9
+
+func fixwd() {
+}
+
+func Getwd() (wd string, err error) {
+	fd, err := open(".", O_RDONLY)
+	if err != nil {
+		return "", err
+	}
+	defer Close(fd)
+	return Fd2path(fd)
+}
+
+func Chdir(path string) error {
+	return chdir(path)
+}

vendor/golang.org/x/sys/plan9/race.go

@@ -0,0 +1,30 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build plan9,race
+
+package plan9
+
+import (
+	"runtime"
+	"unsafe"
+)
+
+const raceenabled = true
+
+func raceAcquire(addr unsafe.Pointer) {
+	runtime.RaceAcquire(addr)
+}
+
+func raceReleaseMerge(addr unsafe.Pointer) {
+	runtime.RaceReleaseMerge(addr)
+}
+
+func raceReadRange(addr unsafe.Pointer, len int) {
+	runtime.RaceReadRange(addr, len)
+}
+
+func raceWriteRange(addr unsafe.Pointer, len int) {
+	runtime.RaceWriteRange(addr, len)
+}

vendor/golang.org/x/sys/plan9/race0.go

@@ -0,0 +1,25 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build plan9,!race
+
+package plan9
+
+import (
+	"unsafe"
+)
+
+const raceenabled = false
+
+func raceAcquire(addr unsafe.Pointer) {
+}
+
+func raceReleaseMerge(addr unsafe.Pointer) {
+}
+
+func raceReadRange(addr unsafe.Pointer, len int) {
+}
+
+func raceWriteRange(addr unsafe.Pointer, len int) {
+}

vendor/golang.org/x/sys/plan9/str.go

@@ -0,0 +1,22 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build plan9
+
+package plan9
+
+func itoa(val int) string { // do it here rather than with fmt to avoid dependency
+	if val < 0 {
+		return "-" + itoa(-val)
+	}
+	var buf [32]byte // big enough for int64
+	i := len(buf) - 1
+	for val >= 10 {
+		buf[i] = byte(val%10 + '0')
+		i--
+		val /= 10
+	}
+	buf[i] = byte(val + '0')
+	return string(buf[i:])
+}

vendor/golang.org/x/sys/plan9/syscall.go

@@ -0,0 +1,116 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build plan9
+
+// Package plan9 contains an interface to the low-level operating system
+// primitives. OS details vary depending on the underlying system, and
+// by default, godoc will display the OS-specific documentation for the current
+// system. If you want godoc to display documentation for another
+// system, set $GOOS and $GOARCH to the desired system. For example, if
+// you want to view documentation for freebsd/arm on linux/amd64, set $GOOS
+// to freebsd and $GOARCH to arm.
+//
+// The primary use of this package is inside other packages that provide a more
+// portable interface to the system, such as "os", "time" and "net".  Use
+// those packages rather than this one if you can.
+//
+// For details of the functions and data types in this package consult
+// the manuals for the appropriate operating system.
+//
+// These calls return err == nil to indicate success; otherwise
+// err represents an operating system error describing the failure and
+// holds a value of type syscall.ErrorString.
+package plan9 // import "golang.org/x/sys/plan9"
+
+import (
+	"bytes"
+	"strings"
+	"unsafe"
+
+	"golang.org/x/sys/internal/unsafeheader"
+)
+
+// ByteSliceFromString returns a NUL-terminated slice of bytes
+// containing the text of s. If s contains a NUL byte at any
+// location, it returns (nil, EINVAL).
+func ByteSliceFromString(s string) ([]byte, error) {
+	if strings.IndexByte(s, 0) != -1 {
+		return nil, EINVAL
+	}
+	a := make([]byte, len(s)+1)
+	copy(a, s)
+	return a, nil
+}
+
+// BytePtrFromString returns a pointer to a NUL-terminated array of
+// bytes containing the text of s. If s contains a NUL byte at any
+// location, it returns (nil, EINVAL).
+func BytePtrFromString(s string) (*byte, error) {
+	a, err := ByteSliceFromString(s)
+	if err != nil {
+		return nil, err
+	}
+	return &a[0], nil
+}
+
+// ByteSliceToString returns a string form of the text represented by the slice s, with a terminating NUL and any
+// bytes after the NUL removed.
+func ByteSliceToString(s []byte) string {
+	if i := bytes.IndexByte(s, 0); i != -1 {
+		s = s[:i]
+	}
+	return string(s)
+}
+
+// BytePtrToString takes a pointer to a sequence of text and returns the corresponding string.
+// If the pointer is nil, it returns the empty string. It assumes that the text sequence is terminated
+// at a zero byte; if the zero byte is not present, the program may crash.
+func BytePtrToString(p *byte) string {
+	if p == nil {
+		return ""
+	}
+	if *p == 0 {
+		return ""
+	}
+
+	// Find NUL terminator.
+	n := 0
+	for ptr := unsafe.Pointer(p); *(*byte)(ptr) != 0; n++ {
+		ptr = unsafe.Pointer(uintptr(ptr) + 1)
+	}
+
+	var s []byte
+	h := (*unsafeheader.Slice)(unsafe.Pointer(&s))
+	h.Data = unsafe.Pointer(p)
+	h.Len = n
+	h.Cap = n
+
+	return string(s)
+}
+
+// Single-word zero for use when we need a valid pointer to 0 bytes.
+// See mksyscall.pl.
+var _zero uintptr
+
+func (ts *Timespec) Unix() (sec int64, nsec int64) {
+	return int64(ts.Sec), int64(ts.Nsec)
+}
+
+func (tv *Timeval) Unix() (sec int64, nsec int64) {
+	return int64(tv.Sec), int64(tv.Usec) * 1000
+}
+
+func (ts *Timespec) Nano() int64 {
+	return int64(ts.Sec)*1e9 + int64(ts.Nsec)
+}
+
+func (tv *Timeval) Nano() int64 {
+	return int64(tv.Sec)*1e9 + int64(tv.Usec)*1000
+}
+
+// use is a no-op, but the compiler cannot see that it is.
+// Calling use(p) ensures that p is kept live until that point.
+//go:noescape
+func use(p unsafe.Pointer)

vendor/golang.org/x/sys/plan9/syscall_plan9.go

@@ -0,0 +1,349 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Plan 9 system calls.
+// This file is compiled as ordinary Go code,
+// but it is also input to mksyscall,
+// which parses the //sys lines and generates system call stubs.
+// Note that sometimes we use a lowercase //sys name and
+// wrap it in our own nicer implementation.
+
+package plan9
+
+import (
+	"bytes"
+	"syscall"
+	"unsafe"
+)
+
+// A Note is a string describing a process note.
+// It implements the os.Signal interface.
+type Note string
+
+func (n Note) Signal() {}
+
+func (n Note) String() string {
+	return string(n)
+}
+
+var (
+	Stdin  = 0
+	Stdout = 1
+	Stderr = 2
+)
+
+// For testing: clients can set this flag to force
+// creation of IPv6 sockets to return EAFNOSUPPORT.
+var SocketDisableIPv6 bool
+
+func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.ErrorString)
+func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.ErrorString)
+func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr)
+func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr)
+
+func atoi(b []byte) (n uint) {
+	n = 0
+	for i := 0; i < len(b); i++ {
+		n = n*10 + uint(b[i]-'0')
+	}
+	return
+}
+
+func cstring(s []byte) string {
+	i := bytes.IndexByte(s, 0)
+	if i == -1 {
+		i = len(s)
+	}
+	return string(s[:i])
+}
+
+func errstr() string {
+	var buf [ERRMAX]byte
+
+	RawSyscall(SYS_ERRSTR, uintptr(unsafe.Pointer(&buf[0])), uintptr(len(buf)), 0)
+
+	buf[len(buf)-1] = 0
+	return cstring(buf[:])
+}
+
+// Implemented in assembly to import from runtime.
+func exit(code int)
+
+func Exit(code int) { exit(code) }
+
+func readnum(path string) (uint, error) {
+	var b [12]byte
+
+	fd, e := Open(path, O_RDONLY)
+	if e != nil {
+		return 0, e
+	}
+	defer Close(fd)
+
+	n, e := Pread(fd, b[:], 0)
+
+	if e != nil {
+		return 0, e
+	}
+
+	m := 0
+	for ; m < n && b[m] == ' '; m++ {
+	}
+
+	return atoi(b[m : n-1]), nil
+}
+
+func Getpid() (pid int) {
+	n, _ := readnum("#c/pid")
+	return int(n)
+}
+
+func Getppid() (ppid int) {
+	n, _ := readnum("#c/ppid")
+	return int(n)
+}
+
+func Read(fd int, p []byte) (n int, err error) {
+	return Pread(fd, p, -1)
+}
+
+func Write(fd int, p []byte) (n int, err error) {
+	return Pwrite(fd, p, -1)
+}
+
+var ioSync int64
+
+//sys	fd2path(fd int, buf []byte) (err error)
+func Fd2path(fd int) (path string, err error) {
+	var buf [512]byte
+
+	e := fd2path(fd, buf[:])
+	if e != nil {
+		return "", e
+	}
+	return cstring(buf[:]), nil
+}
+
+//sys	pipe(p *[2]int32) (err error)
+func Pipe(p []int) (err error) {
+	if len(p) != 2 {
+		return syscall.ErrorString("bad arg in system call")
+	}
+	var pp [2]int32
+	err = pipe(&pp)
+	p[0] = int(pp[0])
+	p[1] = int(pp[1])
+	return
+}
+
+// Underlying system call writes to newoffset via pointer.
+// Implemented in assembly to avoid allocation.
+func seek(placeholder uintptr, fd int, offset int64, whence int) (newoffset int64, err string)
+
+func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
+	newoffset, e := seek(0, fd, offset, whence)
+
+	if newoffset == -1 {
+		err = syscall.ErrorString(e)
+	}
+	return
+}
+
+func Mkdir(path string, mode uint32) (err error) {
+	fd, err := Create(path, O_RDONLY, DMDIR|mode)
+
+	if fd != -1 {
+		Close(fd)
+	}
+
+	return
+}
+
+type Waitmsg struct {
+	Pid  int
+	Time [3]uint32
+	Msg  string
+}
+
+func (w Waitmsg) Exited() bool   { return true }
+func (w Waitmsg) Signaled() bool { return false }
+
+func (w Waitmsg) ExitStatus() int {
+	if len(w.Msg) == 0 {
+		// a normal exit returns no message
+		return 0
+	}
+	return 1
+}
+
+//sys	await(s []byte) (n int, err error)
+func Await(w *Waitmsg) (err error) {
+	var buf [512]byte
+	var f [5][]byte
+
+	n, err := await(buf[:])
+
+	if err != nil || w == nil {
+		return
+	}
+
+	nf := 0
+	p := 0
+	for i := 0; i < n && nf < len(f)-1; i++ {
+		if buf[i] == ' ' {
+			f[nf] = buf[p:i]
+			p = i + 1
+			nf++
+		}
+	}
+	f[nf] = buf[p:]
+	nf++
+
+	if nf != len(f) {
+		return syscall.ErrorString("invalid wait message")
+	}
+	w.Pid = int(atoi(f[0]))
+	w.Time[0] = uint32(atoi(f[1]))
+	w.Time[1] = uint32(atoi(f[2]))
+	w.Time[2] = uint32(atoi(f[3]))
+	w.Msg = cstring(f[4])
+	if w.Msg == "''" {
+		// await() returns '' for no error
+		w.Msg = ""
+	}
+	return
+}
+
+func Unmount(name, old string) (err error) {
+	fixwd()
+	oldp, err := BytePtrFromString(old)
+	if err != nil {
+		return err
+	}
+	oldptr := uintptr(unsafe.Pointer(oldp))
+
+	var r0 uintptr
+	var e syscall.ErrorString
+
+	// bind(2) man page: If name is zero, everything bound or mounted upon old is unbound or unmounted.
+	if name == "" {
+		r0, _, e = Syscall(SYS_UNMOUNT, _zero, oldptr, 0)
+	} else {
+		namep, err := BytePtrFromString(name)
+		if err != nil {
+			return err
+		}
+		r0, _, e = Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(namep)), oldptr, 0)
+	}
+
+	if int32(r0) == -1 {
+		err = e
+	}
+	return
+}
+
+func Fchdir(fd int) (err error) {
+	path, err := Fd2path(fd)
+
+	if err != nil {
+		return
+	}
+
+	return Chdir(path)
+}
+
+type Timespec struct {
+	Sec  int32
+	Nsec int32
+}
+
+type Timeval struct {
+	Sec  int32
+	Usec int32
+}
+
+func NsecToTimeval(nsec int64) (tv Timeval) {
+	nsec += 999 // round up to microsecond
+	tv.Usec = int32(nsec % 1e9 / 1e3)
+	tv.Sec = int32(nsec / 1e9)
+	return
+}
+
+func nsec() int64 {
+	var scratch int64
+
+	r0, _, _ := Syscall(SYS_NSEC, uintptr(unsafe.Pointer(&scratch)), 0, 0)
+	// TODO(aram): remove hack after I fix _nsec in the pc64 kernel.
+	if r0 == 0 {
+		return scratch
+	}
+	return int64(r0)
+}
+
+func Gettimeofday(tv *Timeval) error {
+	nsec := nsec()
+	*tv = NsecToTimeval(nsec)
+	return nil
+}
+
+func Getpagesize() int { return 0x1000 }
+
+func Getegid() (egid int) { return -1 }
+func Geteuid() (euid int) { return -1 }
+func Getgid() (gid int)   { return -1 }
+func Getuid() (uid int)   { return -1 }
+
+func Getgroups() (gids []int, err error) {
+	return make([]int, 0), nil
+}
+
+//sys	open(path string, mode int) (fd int, err error)
+func Open(path string, mode int) (fd int, err error) {
+	fixwd()
+	return open(path, mode)
+}
+
+//sys	create(path string, mode int, perm uint32) (fd int, err error)
+func Create(path string, mode int, perm uint32) (fd int, err error) {
+	fixwd()
+	return create(path, mode, perm)
+}
+
+//sys	remove(path string) (err error)
+func Remove(path string) error {
+	fixwd()
+	return remove(path)
+}
+
+//sys	stat(path string, edir []byte) (n int, err error)
+func Stat(path string, edir []byte) (n int, err error) {
+	fixwd()
+	return stat(path, edir)
+}
+
+//sys	bind(name string, old string, flag int) (err error)
+func Bind(name string, old string, flag int) (err error) {
+	fixwd()
+	return bind(name, old, flag)
+}
+
+//sys	mount(fd int, afd int, old string, flag int, aname string) (err error)
+func Mount(fd int, afd int, old string, flag int, aname string) (err error) {
+	fixwd()
+	return mount(fd, afd, old, flag, aname)
+}
+
+//sys	wstat(path string, edir []byte) (err error)
+func Wstat(path string, edir []byte) (err error) {
+	fixwd()
+	return wstat(path, edir)
+}
+
+//sys	chdir(path string) (err error)
+//sys	Dup(oldfd int, newfd int) (fd int, err error)
+//sys	Pread(fd int, p []byte, offset int64) (n int, err error)
+//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error)
+//sys	Close(fd int) (err error)
+//sys	Fstat(fd int, edir []byte) (n int, err error)
+//sys	Fwstat(fd int, edir []byte) (err error)

vendor/golang.org/x/sys/plan9/zsyscall_plan9_386.go

@@ -0,0 +1,284 @@
+// go run mksyscall.go -l32 -plan9 -tags plan9,386 syscall_plan9.go
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build plan9,386
+
+package plan9
+
+import "unsafe"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func fd2path(fd int, buf []byte) (err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_FD2PATH, uintptr(fd), uintptr(_p0), uintptr(len(buf)))
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func pipe(p *[2]int32) (err error) {
+	r0, _, e1 := Syscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func await(s []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(s) > 0 {
+		_p0 = unsafe.Pointer(&s[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_AWAIT, uintptr(_p0), uintptr(len(s)), 0)
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func open(path string, mode int) (fd int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	fd = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func create(path string, mode int, perm uint32) (fd int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_CREATE, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	fd = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func remove(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_REMOVE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func stat(path string, edir []byte) (n int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 unsafe.Pointer
+	if len(edir) > 0 {
+		_p1 = unsafe.Pointer(&edir[0])
+	} else {
+		_p1 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir)))
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func bind(name string, old string, flag int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(name)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(old)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_BIND, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flag))
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func mount(fd int, afd int, old string, flag int, aname string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(old)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(aname)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall6(SYS_MOUNT, uintptr(fd), uintptr(afd), uintptr(unsafe.Pointer(_p0)), uintptr(flag), uintptr(unsafe.Pointer(_p1)), 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func wstat(path string, edir []byte) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 unsafe.Pointer
+	if len(edir) > 0 {
+		_p1 = unsafe.Pointer(&edir[0])
+	} else {
+		_p1 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_WSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir)))
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func chdir(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Dup(oldfd int, newfd int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), uintptr(newfd), 0)
+	fd = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Pread(fd int, p []byte, offset int64) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Close(fd int) (err error) {
+	r0, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fstat(fd int, edir []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(edir) > 0 {
+		_p0 = unsafe.Pointer(&edir[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir)))
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fwstat(fd int, edir []byte) (err error) {
+	var _p0 unsafe.Pointer
+	if len(edir) > 0 {
+		_p0 = unsafe.Pointer(&edir[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_FWSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir)))
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}

vendor/golang.org/x/sys/plan9/zsyscall_plan9_amd64.go

@@ -0,0 +1,284 @@
+// go run mksyscall.go -l32 -plan9 -tags plan9,amd64 syscall_plan9.go
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build plan9,amd64
+
+package plan9
+
+import "unsafe"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func fd2path(fd int, buf []byte) (err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_FD2PATH, uintptr(fd), uintptr(_p0), uintptr(len(buf)))
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func pipe(p *[2]int32) (err error) {
+	r0, _, e1 := Syscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func await(s []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(s) > 0 {
+		_p0 = unsafe.Pointer(&s[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_AWAIT, uintptr(_p0), uintptr(len(s)), 0)
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func open(path string, mode int) (fd int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	fd = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func create(path string, mode int, perm uint32) (fd int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_CREATE, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	fd = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func remove(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_REMOVE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func stat(path string, edir []byte) (n int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 unsafe.Pointer
+	if len(edir) > 0 {
+		_p1 = unsafe.Pointer(&edir[0])
+	} else {
+		_p1 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir)))
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func bind(name string, old string, flag int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(name)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(old)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_BIND, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flag))
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func mount(fd int, afd int, old string, flag int, aname string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(old)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(aname)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall6(SYS_MOUNT, uintptr(fd), uintptr(afd), uintptr(unsafe.Pointer(_p0)), uintptr(flag), uintptr(unsafe.Pointer(_p1)), 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func wstat(path string, edir []byte) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 unsafe.Pointer
+	if len(edir) > 0 {
+		_p1 = unsafe.Pointer(&edir[0])
+	} else {
+		_p1 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_WSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir)))
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func chdir(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Dup(oldfd int, newfd int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), uintptr(newfd), 0)
+	fd = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Pread(fd int, p []byte, offset int64) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Close(fd int) (err error) {
+	r0, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fstat(fd int, edir []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(edir) > 0 {
+		_p0 = unsafe.Pointer(&edir[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir)))
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fwstat(fd int, edir []byte) (err error) {
+	var _p0 unsafe.Pointer
+	if len(edir) > 0 {
+		_p0 = unsafe.Pointer(&edir[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_FWSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir)))
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}

vendor/golang.org/x/sys/plan9/zsyscall_plan9_arm.go

@@ -0,0 +1,284 @@
+// go run mksyscall.go -l32 -plan9 -tags plan9,arm syscall_plan9.go
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build plan9,arm
+
+package plan9
+
+import "unsafe"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func fd2path(fd int, buf []byte) (err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_FD2PATH, uintptr(fd), uintptr(_p0), uintptr(len(buf)))
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func pipe(p *[2]int32) (err error) {
+	r0, _, e1 := Syscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func await(s []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(s) > 0 {
+		_p0 = unsafe.Pointer(&s[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_AWAIT, uintptr(_p0), uintptr(len(s)), 0)
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func open(path string, mode int) (fd int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	fd = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func create(path string, mode int, perm uint32) (fd int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_CREATE, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	fd = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func remove(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_REMOVE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func stat(path string, edir []byte) (n int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 unsafe.Pointer
+	if len(edir) > 0 {
+		_p1 = unsafe.Pointer(&edir[0])
+	} else {
+		_p1 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir)))
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func bind(name string, old string, flag int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(name)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(old)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_BIND, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flag))
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func mount(fd int, afd int, old string, flag int, aname string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(old)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(aname)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall6(SYS_MOUNT, uintptr(fd), uintptr(afd), uintptr(unsafe.Pointer(_p0)), uintptr(flag), uintptr(unsafe.Pointer(_p1)), 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func wstat(path string, edir []byte) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 unsafe.Pointer
+	if len(edir) > 0 {
+		_p1 = unsafe.Pointer(&edir[0])
+	} else {
+		_p1 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_WSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir)))
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func chdir(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Dup(oldfd int, newfd int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), uintptr(newfd), 0)
+	fd = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Pread(fd int, p []byte, offset int64) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Close(fd int) (err error) {
+	r0, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fstat(fd int, edir []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(edir) > 0 {
+		_p0 = unsafe.Pointer(&edir[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir)))
+	n = int(r0)
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fwstat(fd int, edir []byte) (err error) {
+	var _p0 unsafe.Pointer
+	if len(edir) > 0 {
+		_p0 = unsafe.Pointer(&edir[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_FWSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir)))
+	if int32(r0) == -1 {
+		err = e1
+	}
+	return
+}

vendor/golang.org/x/sys/plan9/zsysnum_plan9.go

@@ -0,0 +1,49 @@
+// mksysnum_plan9.sh /opt/plan9/sys/src/libc/9syscall/sys.h
+// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
+
+package plan9
+
+const (
+	SYS_SYSR1       = 0
+	SYS_BIND        = 2
+	SYS_CHDIR       = 3
+	SYS_CLOSE       = 4
+	SYS_DUP         = 5
+	SYS_ALARM       = 6
+	SYS_EXEC        = 7
+	SYS_EXITS       = 8
+	SYS_FAUTH       = 10
+	SYS_SEGBRK      = 12
+	SYS_OPEN        = 14
+	SYS_OSEEK       = 16
+	SYS_SLEEP       = 17
+	SYS_RFORK       = 19
+	SYS_PIPE        = 21
+	SYS_CREATE      = 22
+	SYS_FD2PATH     = 23
+	SYS_BRK_        = 24
+	SYS_REMOVE      = 25
+	SYS_NOTIFY      = 28
+	SYS_NOTED       = 29
+	SYS_SEGATTACH   = 30
+	SYS_SEGDETACH   = 31
+	SYS_SEGFREE     = 32
+	SYS_SEGFLUSH    = 33
+	SYS_RENDEZVOUS  = 34
+	SYS_UNMOUNT     = 35
+	SYS_SEMACQUIRE  = 37
+	SYS_SEMRELEASE  = 38
+	SYS_SEEK        = 39
+	SYS_FVERSION    = 40
+	SYS_ERRSTR      = 41
+	SYS_STAT        = 42
+	SYS_FSTAT       = 43
+	SYS_WSTAT       = 44
+	SYS_FWSTAT      = 45
+	SYS_MOUNT       = 46
+	SYS_AWAIT       = 47
+	SYS_PREAD       = 50
+	SYS_PWRITE      = 51
+	SYS_TSEMACQUIRE = 52
+	SYS_NSEC        = 53
+)

vendor/golang.org/x/sys/unix/ptrace_darwin.go

@@ -0,0 +1,11 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build darwin,!ios
+
+package unix
+
+func ptrace(request int, pid int, addr uintptr, data uintptr) error {
+	return ptrace1(request, pid, addr, data)
+}

vendor/golang.org/x/sys/unix/ptrace_ios.go

@@ -0,0 +1,11 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ios
+
+package unix
+
+func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
+	return ENOTSUP
+}

vendor/gopkg.in/yaml.v3/.travis.yml

@@ -1,17 +0,0 @@
-language: go
-
-go:
-    - "1.4.x"
-    - "1.5.x"
-    - "1.6.x"
-    - "1.7.x"
-    - "1.8.x"
-    - "1.9.x"
-    - "1.10.x"
-    - "1.11.x"
-    - "1.12.x"
-    - "1.13.x"
-    - "1.14.x"
-    - "tip"
-
-go_import_path: gopkg.in/yaml.v3

vendor/gopkg.in/yaml.v3/LICENSE

@@ -1,50 +0,0 @@
-
-This project is covered by two different licenses: MIT and Apache.
-
-#### MIT License ####
-
-The following files were ported to Go from C files of libyaml, and thus
-are still covered by their original MIT license, with the additional
-copyright staring in 2011 when the project was ported over:
-
-    apic.go emitterc.go parserc.go readerc.go scannerc.go
-    writerc.go yamlh.go yamlprivateh.go
-
-Copyright (c) 2006-2010 Kirill Simonov
-Copyright (c) 2006-2011 Kirill Simonov
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-of the Software, and to permit persons to whom the Software is furnished to do
-so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-
-### Apache License ###
-
-All the remaining project files are covered by the Apache license:
-
-Copyright (c) 2011-2019 Canonical Ltd
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.

vendor/gopkg.in/yaml.v3/NOTICE

@@ -1,13 +0,0 @@
-Copyright 2011-2016 Canonical Ltd.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.

vendor/gopkg.in/yaml.v3/README.md

@@ -1,150 +0,0 @@
-# YAML support for the Go language
-
-Introduction
-------------
-
-The yaml package enables Go programs to comfortably encode and decode YAML
-values. It was developed within [Canonical](https://www.canonical.com) as
-part of the [juju](https://juju.ubuntu.com) project, and is based on a
-pure Go port of the well-known [libyaml](http://pyyaml.org/wiki/LibYAML)
-C library to parse and generate YAML data quickly and reliably.
-
-Compatibility
--------------
-
-The yaml package supports most of YAML 1.2, but preserves some behavior
-from 1.1 for backwards compatibility.
-
-Specifically, as of v3 of the yaml package:
-
- - YAML 1.1 bools (_yes/no, on/off_) are supported as long as they are being
-   decoded into a typed bool value. Otherwise they behave as a string. Booleans
-   in YAML 1.2 are _true/false_ only.
- - Octals encode and decode as _0777_ per YAML 1.1, rather than _0o777_
-   as specified in YAML 1.2, because most parsers still use the old format.
-   Octals in the  _0o777_ format are supported though, so new files work.
- - Does not support base-60 floats. These are gone from YAML 1.2, and were
-   actually never supported by this package as it's clearly a poor choice.
-
-and offers backwards
-compatibility with YAML 1.1 in some cases.
-1.2, including support for
-anchors, tags, map merging, etc. Multi-document unmarshalling is not yet
-implemented, and base-60 floats from YAML 1.1 are purposefully not
-supported since they're a poor design and are gone in YAML 1.2.
-
-Installation and usage
-----------------------
-
-The import path for the package is *gopkg.in/yaml.v3*.
-
-To install it, run:
-
-    go get gopkg.in/yaml.v3
-
-API documentation
------------------
-
-If opened in a browser, the import path itself leads to the API documentation:
-
-  - [https://gopkg.in/yaml.v3](https://gopkg.in/yaml.v3)
-
-API stability
--------------
-
-The package API for yaml v3 will remain stable as described in [gopkg.in](https://gopkg.in).
-
-
-License
--------
-
-The yaml package is licensed under the MIT and Apache License 2.0 licenses.
-Please see the LICENSE file for details.
-
-
-Example
--------
-
-```Go
-package main
-
-import (
-        "fmt"
-        "log"
-
-        "gopkg.in/yaml.v3"
-)
-
-var data = `
-a: Easy!
-b:
-  c: 2
-  d: [3, 4]
-`
-
-// Note: struct fields must be public in order for unmarshal to
-// correctly populate the data.
-type T struct {
-        A string
-        B struct {
-                RenamedC int   `yaml:"c"`
-                D        []int `yaml:",flow"`
-        }
-}
-
-func main() {
-        t := T{}
-    
-        err := yaml.Unmarshal([]byte(data), &t)
-        if err != nil {
-                log.Fatalf("error: %v", err)
-        }
-        fmt.Printf("--- t:\n%v\n\n", t)
-    
-        d, err := yaml.Marshal(&t)
-        if err != nil {
-                log.Fatalf("error: %v", err)
-        }
-        fmt.Printf("--- t dump:\n%s\n\n", string(d))
-    
-        m := make(map[interface{}]interface{})
-    
-        err = yaml.Unmarshal([]byte(data), &m)
-        if err != nil {
-                log.Fatalf("error: %v", err)
-        }
-        fmt.Printf("--- m:\n%v\n\n", m)
-    
-        d, err = yaml.Marshal(&m)
-        if err != nil {
-                log.Fatalf("error: %v", err)
-        }
-        fmt.Printf("--- m dump:\n%s\n\n", string(d))
-}
-```
-
-This example will generate the following output:
-
-```
---- t:
-{Easy! {2 [3 4]}}
-
---- t dump:
-a: Easy!
-b:
-  c: 2
-  d: [3, 4]
-
-
---- m:
-map[a:Easy! b:map[c:2 d:[3 4]]]
-
---- m dump:
-a: Easy!
-b:
-  c: 2
-  d:
-  - 3
-  - 4
-```
-

vendor/gopkg.in/yaml.v3/apic.go

@@ -1,747 +0,0 @@
-// 
-// Copyright (c) 2011-2019 Canonical Ltd
-// Copyright (c) 2006-2010 Kirill Simonov
-// 
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-// of the Software, and to permit persons to whom the Software is furnished to do
-// so, subject to the following conditions:
-// 
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-// 
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-// SOFTWARE.
-
-package yaml
-
-import (
-	"io"
-)
-
-func yaml_insert_token(parser *yaml_parser_t, pos int, token *yaml_token_t) {
-	//fmt.Println("yaml_insert_token", "pos:", pos, "typ:", token.typ, "head:", parser.tokens_head, "len:", len(parser.tokens))
-
-	// Check if we can move the queue at the beginning of the buffer.
-	if parser.tokens_head > 0 && len(parser.tokens) == cap(parser.tokens) {
-		if parser.tokens_head != len(parser.tokens) {
-			copy(parser.tokens, parser.tokens[parser.tokens_head:])
-		}
-		parser.tokens = parser.tokens[:len(parser.tokens)-parser.tokens_head]
-		parser.tokens_head = 0
-	}
-	parser.tokens = append(parser.tokens, *token)
-	if pos < 0 {
-		return
-	}
-	copy(parser.tokens[parser.tokens_head+pos+1:], parser.tokens[parser.tokens_head+pos:])
-	parser.tokens[parser.tokens_head+pos] = *token
-}
-
-// Create a new parser object.
-func yaml_parser_initialize(parser *yaml_parser_t) bool {
-	*parser = yaml_parser_t{
-		raw_buffer: make([]byte, 0, input_raw_buffer_size),
-		buffer:     make([]byte, 0, input_buffer_size),
-	}
-	return true
-}
-
-// Destroy a parser object.
-func yaml_parser_delete(parser *yaml_parser_t) {
-	*parser = yaml_parser_t{}
-}
-
-// String read handler.
-func yaml_string_read_handler(parser *yaml_parser_t, buffer []byte) (n int, err error) {
-	if parser.input_pos == len(parser.input) {
-		return 0, io.EOF
-	}
-	n = copy(buffer, parser.input[parser.input_pos:])
-	parser.input_pos += n
-	return n, nil
-}
-
-// Reader read handler.
-func yaml_reader_read_handler(parser *yaml_parser_t, buffer []byte) (n int, err error) {
-	return parser.input_reader.Read(buffer)
-}
-
-// Set a string input.
-func yaml_parser_set_input_string(parser *yaml_parser_t, input []byte) {
-	if parser.read_handler != nil {
-		panic("must set the input source only once")
-	}
-	parser.read_handler = yaml_string_read_handler
-	parser.input = input
-	parser.input_pos = 0
-}
-
-// Set a file input.
-func yaml_parser_set_input_reader(parser *yaml_parser_t, r io.Reader) {
-	if parser.read_handler != nil {
-		panic("must set the input source only once")
-	}
-	parser.read_handler = yaml_reader_read_handler
-	parser.input_reader = r
-}
-
-// Set the source encoding.
-func yaml_parser_set_encoding(parser *yaml_parser_t, encoding yaml_encoding_t) {
-	if parser.encoding != yaml_ANY_ENCODING {
-		panic("must set the encoding only once")
-	}
-	parser.encoding = encoding
-}
-
-// Create a new emitter object.
-func yaml_emitter_initialize(emitter *yaml_emitter_t) {
-	*emitter = yaml_emitter_t{
-		buffer:     make([]byte, output_buffer_size),
-		raw_buffer: make([]byte, 0, output_raw_buffer_size),
-		states:     make([]yaml_emitter_state_t, 0, initial_stack_size),
-		events:     make([]yaml_event_t, 0, initial_queue_size),
-		best_width: -1,
-	}
-}
-
-// Destroy an emitter object.
-func yaml_emitter_delete(emitter *yaml_emitter_t) {
-	*emitter = yaml_emitter_t{}
-}
-
-// String write handler.
-func yaml_string_write_handler(emitter *yaml_emitter_t, buffer []byte) error {
-	*emitter.output_buffer = append(*emitter.output_buffer, buffer...)
-	return nil
-}
-
-// yaml_writer_write_handler uses emitter.output_writer to write the
-// emitted text.
-func yaml_writer_write_handler(emitter *yaml_emitter_t, buffer []byte) error {
-	_, err := emitter.output_writer.Write(buffer)
-	return err
-}
-
-// Set a string output.
-func yaml_emitter_set_output_string(emitter *yaml_emitter_t, output_buffer *[]byte) {
-	if emitter.write_handler != nil {
-		panic("must set the output target only once")
-	}
-	emitter.write_handler = yaml_string_write_handler
-	emitter.output_buffer = output_buffer
-}
-
-// Set a file output.
-func yaml_emitter_set_output_writer(emitter *yaml_emitter_t, w io.Writer) {
-	if emitter.write_handler != nil {
-		panic("must set the output target only once")
-	}
-	emitter.write_handler = yaml_writer_write_handler
-	emitter.output_writer = w
-}
-
-// Set the output encoding.
-func yaml_emitter_set_encoding(emitter *yaml_emitter_t, encoding yaml_encoding_t) {
-	if emitter.encoding != yaml_ANY_ENCODING {
-		panic("must set the output encoding only once")
-	}
-	emitter.encoding = encoding
-}
-
-// Set the canonical output style.
-func yaml_emitter_set_canonical(emitter *yaml_emitter_t, canonical bool) {
-	emitter.canonical = canonical
-}
-
-// Set the indentation increment.
-func yaml_emitter_set_indent(emitter *yaml_emitter_t, indent int) {
-	if indent < 2 || indent > 9 {
-		indent = 2
-	}
-	emitter.best_indent = indent
-}
-
-// Set the preferred line width.
-func yaml_emitter_set_width(emitter *yaml_emitter_t, width int) {
-	if width < 0 {
-		width = -1
-	}
-	emitter.best_width = width
-}
-
-// Set if unescaped non-ASCII characters are allowed.
-func yaml_emitter_set_unicode(emitter *yaml_emitter_t, unicode bool) {
-	emitter.unicode = unicode
-}
-
-// Set the preferred line break character.
-func yaml_emitter_set_break(emitter *yaml_emitter_t, line_break yaml_break_t) {
-	emitter.line_break = line_break
-}
-
-///*
-// * Destroy a token object.
-// */
-//
-//YAML_DECLARE(void)
-//yaml_token_delete(yaml_token_t *token)
-//{
-//    assert(token);  // Non-NULL token object expected.
-//
-//    switch (token.type)
-//    {
-//        case YAML_TAG_DIRECTIVE_TOKEN:
-//            yaml_free(token.data.tag_directive.handle);
-//            yaml_free(token.data.tag_directive.prefix);
-//            break;
-//
-//        case YAML_ALIAS_TOKEN:
-//            yaml_free(token.data.alias.value);
-//            break;
-//
-//        case YAML_ANCHOR_TOKEN:
-//            yaml_free(token.data.anchor.value);
-//            break;
-//
-//        case YAML_TAG_TOKEN:
-//            yaml_free(token.data.tag.handle);
-//            yaml_free(token.data.tag.suffix);
-//            break;
-//
-//        case YAML_SCALAR_TOKEN:
-//            yaml_free(token.data.scalar.value);
-//            break;
-//
-//        default:
-//            break;
-//    }
-//
-//    memset(token, 0, sizeof(yaml_token_t));
-//}
-//
-///*
-// * Check if a string is a valid UTF-8 sequence.
-// *
-// * Check 'reader.c' for more details on UTF-8 encoding.
-// */
-//
-//static int
-//yaml_check_utf8(yaml_char_t *start, size_t length)
-//{
-//    yaml_char_t *end = start+length;
-//    yaml_char_t *pointer = start;
-//
-//    while (pointer < end) {
-//        unsigned char octet;
-//        unsigned int width;
-//        unsigned int value;
-//        size_t k;
-//
-//        octet = pointer[0];
-//        width = (octet & 0x80) == 0x00 ? 1 :
-//                (octet & 0xE0) == 0xC0 ? 2 :
-//                (octet & 0xF0) == 0xE0 ? 3 :
-//                (octet & 0xF8) == 0xF0 ? 4 : 0;
-//        value = (octet & 0x80) == 0x00 ? octet & 0x7F :
-//                (octet & 0xE0) == 0xC0 ? octet & 0x1F :
-//                (octet & 0xF0) == 0xE0 ? octet & 0x0F :
-//                (octet & 0xF8) == 0xF0 ? octet & 0x07 : 0;
-//        if (!width) return 0;
-//        if (pointer+width > end) return 0;
-//        for (k = 1; k < width; k ++) {
-//            octet = pointer[k];
-//            if ((octet & 0xC0) != 0x80) return 0;
-//            value = (value << 6) + (octet & 0x3F);
-//        }
-//        if (!((width == 1) ||
-//            (width == 2 && value >= 0x80) ||
-//            (width == 3 && value >= 0x800) ||
-//            (width == 4 && value >= 0x10000))) return 0;
-//
-//        pointer += width;
-//    }
-//
-//    return 1;
-//}
-//
-
-// Create STREAM-START.
-func yaml_stream_start_event_initialize(event *yaml_event_t, encoding yaml_encoding_t) {
-	*event = yaml_event_t{
-		typ:      yaml_STREAM_START_EVENT,
-		encoding: encoding,
-	}
-}
-
-// Create STREAM-END.
-func yaml_stream_end_event_initialize(event *yaml_event_t) {
-	*event = yaml_event_t{
-		typ: yaml_STREAM_END_EVENT,
-	}
-}
-
-// Create DOCUMENT-START.
-func yaml_document_start_event_initialize(
-	event *yaml_event_t,
-	version_directive *yaml_version_directive_t,
-	tag_directives []yaml_tag_directive_t,
-	implicit bool,
-) {
-	*event = yaml_event_t{
-		typ:               yaml_DOCUMENT_START_EVENT,
-		version_directive: version_directive,
-		tag_directives:    tag_directives,
-		implicit:          implicit,
-	}
-}
-
-// Create DOCUMENT-END.
-func yaml_document_end_event_initialize(event *yaml_event_t, implicit bool) {
-	*event = yaml_event_t{
-		typ:      yaml_DOCUMENT_END_EVENT,
-		implicit: implicit,
-	}
-}
-
-// Create ALIAS.
-func yaml_alias_event_initialize(event *yaml_event_t, anchor []byte) bool {
-	*event = yaml_event_t{
-		typ:    yaml_ALIAS_EVENT,
-		anchor: anchor,
-	}
-	return true
-}
-
-// Create SCALAR.
-func yaml_scalar_event_initialize(event *yaml_event_t, anchor, tag, value []byte, plain_implicit, quoted_implicit bool, style yaml_scalar_style_t) bool {
-	*event = yaml_event_t{
-		typ:             yaml_SCALAR_EVENT,
-		anchor:          anchor,
-		tag:             tag,
-		value:           value,
-		implicit:        plain_implicit,
-		quoted_implicit: quoted_implicit,
-		style:           yaml_style_t(style),
-	}
-	return true
-}
-
-// Create SEQUENCE-START.
-func yaml_sequence_start_event_initialize(event *yaml_event_t, anchor, tag []byte, implicit bool, style yaml_sequence_style_t) bool {
-	*event = yaml_event_t{
-		typ:      yaml_SEQUENCE_START_EVENT,
-		anchor:   anchor,
-		tag:      tag,
-		implicit: implicit,
-		style:    yaml_style_t(style),
-	}
-	return true
-}
-
-// Create SEQUENCE-END.
-func yaml_sequence_end_event_initialize(event *yaml_event_t) bool {
-	*event = yaml_event_t{
-		typ: yaml_SEQUENCE_END_EVENT,
-	}
-	return true
-}
-
-// Create MAPPING-START.
-func yaml_mapping_start_event_initialize(event *yaml_event_t, anchor, tag []byte, implicit bool, style yaml_mapping_style_t) {
-	*event = yaml_event_t{
-		typ:      yaml_MAPPING_START_EVENT,
-		anchor:   anchor,
-		tag:      tag,
-		implicit: implicit,
-		style:    yaml_style_t(style),
-	}
-}
-
-// Create MAPPING-END.
-func yaml_mapping_end_event_initialize(event *yaml_event_t) {
-	*event = yaml_event_t{
-		typ: yaml_MAPPING_END_EVENT,
-	}
-}
-
-// Destroy an event object.
-func yaml_event_delete(event *yaml_event_t) {
-	*event = yaml_event_t{}
-}
-
-///*
-// * Create a document object.
-// */
-//
-//YAML_DECLARE(int)
-//yaml_document_initialize(document *yaml_document_t,
-//        version_directive *yaml_version_directive_t,
-//        tag_directives_start *yaml_tag_directive_t,
-//        tag_directives_end *yaml_tag_directive_t,
-//        start_implicit int, end_implicit int)
-//{
-//    struct {
-//        error yaml_error_type_t
-//    } context
-//    struct {
-//        start *yaml_node_t
-//        end *yaml_node_t
-//        top *yaml_node_t
-//    } nodes = { NULL, NULL, NULL }
-//    version_directive_copy *yaml_version_directive_t = NULL
-//    struct {
-//        start *yaml_tag_directive_t
-//        end *yaml_tag_directive_t
-//        top *yaml_tag_directive_t
-//    } tag_directives_copy = { NULL, NULL, NULL }
-//    value yaml_tag_directive_t = { NULL, NULL }
-//    mark yaml_mark_t = { 0, 0, 0 }
-//
-//    assert(document) // Non-NULL document object is expected.
-//    assert((tag_directives_start && tag_directives_end) ||
-//            (tag_directives_start == tag_directives_end))
-//                            // Valid tag directives are expected.
-//
-//    if (!STACK_INIT(&context, nodes, INITIAL_STACK_SIZE)) goto error
-//
-//    if (version_directive) {
-//        version_directive_copy = yaml_malloc(sizeof(yaml_version_directive_t))
-//        if (!version_directive_copy) goto error
-//        version_directive_copy.major = version_directive.major
-//        version_directive_copy.minor = version_directive.minor
-//    }
-//
-//    if (tag_directives_start != tag_directives_end) {
-//        tag_directive *yaml_tag_directive_t
-//        if (!STACK_INIT(&context, tag_directives_copy, INITIAL_STACK_SIZE))
-//            goto error
-//        for (tag_directive = tag_directives_start
-//                tag_directive != tag_directives_end; tag_directive ++) {
-//            assert(tag_directive.handle)
-//            assert(tag_directive.prefix)
-//            if (!yaml_check_utf8(tag_directive.handle,
-//                        strlen((char *)tag_directive.handle)))
-//                goto error
-//            if (!yaml_check_utf8(tag_directive.prefix,
-//                        strlen((char *)tag_directive.prefix)))
-//                goto error
-//            value.handle = yaml_strdup(tag_directive.handle)
-//            value.prefix = yaml_strdup(tag_directive.prefix)
-//            if (!value.handle || !value.prefix) goto error
-//            if (!PUSH(&context, tag_directives_copy, value))
-//                goto error
-//            value.handle = NULL
-//            value.prefix = NULL
-//        }
-//    }
-//
-//    DOCUMENT_INIT(*document, nodes.start, nodes.end, version_directive_copy,
-//            tag_directives_copy.start, tag_directives_copy.top,
-//            start_implicit, end_implicit, mark, mark)
-//
-//    return 1
-//
-//error:
-//    STACK_DEL(&context, nodes)
-//    yaml_free(version_directive_copy)
-//    while (!STACK_EMPTY(&context, tag_directives_copy)) {
-//        value yaml_tag_directive_t = POP(&context, tag_directives_copy)
-//        yaml_free(value.handle)
-//        yaml_free(value.prefix)
-//    }
-//    STACK_DEL(&context, tag_directives_copy)
-//    yaml_free(value.handle)
-//    yaml_free(value.prefix)
-//
-//    return 0
-//}
-//
-///*
-// * Destroy a document object.
-// */
-//
-//YAML_DECLARE(void)
-//yaml_document_delete(document *yaml_document_t)
-//{
-//    struct {
-//        error yaml_error_type_t
-//    } context
-//    tag_directive *yaml_tag_directive_t
-//
-//    context.error = YAML_NO_ERROR // Eliminate a compiler warning.
-//
-//    assert(document) // Non-NULL document object is expected.
-//
-//    while (!STACK_EMPTY(&context, document.nodes)) {
-//        node yaml_node_t = POP(&context, document.nodes)
-//        yaml_free(node.tag)
-//        switch (node.type) {
-//            case YAML_SCALAR_NODE:
-//                yaml_free(node.data.scalar.value)
-//                break
-//            case YAML_SEQUENCE_NODE:
-//                STACK_DEL(&context, node.data.sequence.items)
-//                break
-//            case YAML_MAPPING_NODE:
-//                STACK_DEL(&context, node.data.mapping.pairs)
-//                break
-//            default:
-//                assert(0) // Should not happen.
-//        }
-//    }
-//    STACK_DEL(&context, document.nodes)
-//
-//    yaml_free(document.version_directive)
-//    for (tag_directive = document.tag_directives.start
-//            tag_directive != document.tag_directives.end
-//            tag_directive++) {
-//        yaml_free(tag_directive.handle)
-//        yaml_free(tag_directive.prefix)
-//    }
-//    yaml_free(document.tag_directives.start)
-//
-//    memset(document, 0, sizeof(yaml_document_t))
-//}
-//
-///**
-// * Get a document node.
-// */
-//
-//YAML_DECLARE(yaml_node_t *)
-//yaml_document_get_node(document *yaml_document_t, index int)
-//{
-//    assert(document) // Non-NULL document object is expected.
-//
-//    if (index > 0 && document.nodes.start + index <= document.nodes.top) {
-//        return document.nodes.start + index - 1
-//    }
-//    return NULL
-//}
-//
-///**
-// * Get the root object.
-// */
-//
-//YAML_DECLARE(yaml_node_t *)
-//yaml_document_get_root_node(document *yaml_document_t)
-//{
-//    assert(document) // Non-NULL document object is expected.
-//
-//    if (document.nodes.top != document.nodes.start) {
-//        return document.nodes.start
-//    }
-//    return NULL
-//}
-//
-///*
-// * Add a scalar node to a document.
-// */
-//
-//YAML_DECLARE(int)
-//yaml_document_add_scalar(document *yaml_document_t,
-//        tag *yaml_char_t, value *yaml_char_t, length int,
-//        style yaml_scalar_style_t)
-//{
-//    struct {
-//        error yaml_error_type_t
-//    } context
-//    mark yaml_mark_t = { 0, 0, 0 }
-//    tag_copy *yaml_char_t = NULL
-//    value_copy *yaml_char_t = NULL
-//    node yaml_node_t
-//
-//    assert(document) // Non-NULL document object is expected.
-//    assert(value) // Non-NULL value is expected.
-//
-//    if (!tag) {
-//        tag = (yaml_char_t *)YAML_DEFAULT_SCALAR_TAG
-//    }
-//
-//    if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error
-//    tag_copy = yaml_strdup(tag)
-//    if (!tag_copy) goto error
-//
-//    if (length < 0) {
-//        length = strlen((char *)value)
-//    }
-//
-//    if (!yaml_check_utf8(value, length)) goto error
-//    value_copy = yaml_malloc(length+1)
-//    if (!value_copy) goto error
-//    memcpy(value_copy, value, length)
-//    value_copy[length] = '\0'
-//
-//    SCALAR_NODE_INIT(node, tag_copy, value_copy, length, style, mark, mark)
-//    if (!PUSH(&context, document.nodes, node)) goto error
-//
-//    return document.nodes.top - document.nodes.start
-//
-//error:
-//    yaml_free(tag_copy)
-//    yaml_free(value_copy)
-//
-//    return 0
-//}
-//
-///*
-// * Add a sequence node to a document.
-// */
-//
-//YAML_DECLARE(int)
-//yaml_document_add_sequence(document *yaml_document_t,
-//        tag *yaml_char_t, style yaml_sequence_style_t)
-//{
-//    struct {
-//        error yaml_error_type_t
-//    } context
-//    mark yaml_mark_t = { 0, 0, 0 }
-//    tag_copy *yaml_char_t = NULL
-//    struct {
-//        start *yaml_node_item_t
-//        end *yaml_node_item_t
-//        top *yaml_node_item_t
-//    } items = { NULL, NULL, NULL }
-//    node yaml_node_t
-//
-//    assert(document) // Non-NULL document object is expected.
-//
-//    if (!tag) {
-//        tag = (yaml_char_t *)YAML_DEFAULT_SEQUENCE_TAG
-//    }
-//
-//    if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error
-//    tag_copy = yaml_strdup(tag)
-//    if (!tag_copy) goto error
-//
-//    if (!STACK_INIT(&context, items, INITIAL_STACK_SIZE)) goto error
-//
-//    SEQUENCE_NODE_INIT(node, tag_copy, items.start, items.end,
-//            style, mark, mark)
-//    if (!PUSH(&context, document.nodes, node)) goto error
-//
-//    return document.nodes.top - document.nodes.start
-//
-//error:
-//    STACK_DEL(&context, items)
-//    yaml_free(tag_copy)
-//
-//    return 0
-//}
-//
-///*
-// * Add a mapping node to a document.
-// */
-//
-//YAML_DECLARE(int)
-//yaml_document_add_mapping(document *yaml_document_t,
-//        tag *yaml_char_t, style yaml_mapping_style_t)
-//{
-//    struct {
-//        error yaml_error_type_t
-//    } context
-//    mark yaml_mark_t = { 0, 0, 0 }
-//    tag_copy *yaml_char_t = NULL
-//    struct {
-//        start *yaml_node_pair_t
-//        end *yaml_node_pair_t
-//        top *yaml_node_pair_t
-//    } pairs = { NULL, NULL, NULL }
-//    node yaml_node_t
-//
-//    assert(document) // Non-NULL document object is expected.
-//
-//    if (!tag) {
-//        tag = (yaml_char_t *)YAML_DEFAULT_MAPPING_TAG
-//    }
-//
-//    if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error
-//    tag_copy = yaml_strdup(tag)
-//    if (!tag_copy) goto error
-//
-//    if (!STACK_INIT(&context, pairs, INITIAL_STACK_SIZE)) goto error
-//
-//    MAPPING_NODE_INIT(node, tag_copy, pairs.start, pairs.end,
-//            style, mark, mark)
-//    if (!PUSH(&context, document.nodes, node)) goto error
-//
-//    return document.nodes.top - document.nodes.start
-//
-//error:
-//    STACK_DEL(&context, pairs)
-//    yaml_free(tag_copy)
-//
-//    return 0
-//}
-//
-///*
-// * Append an item to a sequence node.
-// */
-//
-//YAML_DECLARE(int)
-//yaml_document_append_sequence_item(document *yaml_document_t,
-//        sequence int, item int)
-//{
-//    struct {
-//        error yaml_error_type_t
-//    } context
-//
-//    assert(document) // Non-NULL document is required.
-//    assert(sequence > 0
-//            && document.nodes.start + sequence <= document.nodes.top)
-//                            // Valid sequence id is required.
-//    assert(document.nodes.start[sequence-1].type == YAML_SEQUENCE_NODE)
-//                            // A sequence node is required.
-//    assert(item > 0 && document.nodes.start + item <= document.nodes.top)
-//                            // Valid item id is required.
-//
-//    if (!PUSH(&context,
-//                document.nodes.start[sequence-1].data.sequence.items, item))
-//        return 0
-//
-//    return 1
-//}
-//
-///*
-// * Append a pair of a key and a value to a mapping node.
-// */
-//
-//YAML_DECLARE(int)
-//yaml_document_append_mapping_pair(document *yaml_document_t,
-//        mapping int, key int, value int)
-//{
-//    struct {
-//        error yaml_error_type_t
-//    } context
-//
-//    pair yaml_node_pair_t
-//
-//    assert(document) // Non-NULL document is required.
-//    assert(mapping > 0
-//            && document.nodes.start + mapping <= document.nodes.top)
-//                            // Valid mapping id is required.
-//    assert(document.nodes.start[mapping-1].type == YAML_MAPPING_NODE)
-//                            // A mapping node is required.
-//    assert(key > 0 && document.nodes.start + key <= document.nodes.top)
-//                            // Valid key id is required.
-//    assert(value > 0 && document.nodes.start + value <= document.nodes.top)
-//                            // Valid value id is required.
-//
-//    pair.key = key
-//    pair.value = value
-//
-//    if (!PUSH(&context,
-//                document.nodes.start[mapping-1].data.mapping.pairs, pair))
-//        return 0
-//
-//    return 1
-//}
-//
-//

vendor/gopkg.in/yaml.v3/decode.go

@@ -1,948 +0,0 @@
-//
-// Copyright (c) 2011-2019 Canonical Ltd
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package yaml
-
-import (
-	"encoding"
-	"encoding/base64"
-	"fmt"
-	"io"
-	"math"
-	"reflect"
-	"strconv"
-	"time"
-)
-
-// ----------------------------------------------------------------------------
-// Parser, produces a node tree out of a libyaml event stream.
-
-type parser struct {
-	parser   yaml_parser_t
-	event    yaml_event_t
-	doc      *Node
-	anchors  map[string]*Node
-	doneInit bool
-	textless bool
-}
-
-func newParser(b []byte) *parser {
-	p := parser{}
-	if !yaml_parser_initialize(&p.parser) {
-		panic("failed to initialize YAML emitter")
-	}
-	if len(b) == 0 {
-		b = []byte{'\n'}
-	}
-	yaml_parser_set_input_string(&p.parser, b)
-	return &p
-}
-
-func newParserFromReader(r io.Reader) *parser {
-	p := parser{}
-	if !yaml_parser_initialize(&p.parser) {
-		panic("failed to initialize YAML emitter")
-	}
-	yaml_parser_set_input_reader(&p.parser, r)
-	return &p
-}
-
-func (p *parser) init() {
-	if p.doneInit {
-		return
-	}
-	p.anchors = make(map[string]*Node)
-	p.expect(yaml_STREAM_START_EVENT)
-	p.doneInit = true
-}
-
-func (p *parser) destroy() {
-	if p.event.typ != yaml_NO_EVENT {
-		yaml_event_delete(&p.event)
-	}
-	yaml_parser_delete(&p.parser)
-}
-
-// expect consumes an event from the event stream and
-// checks that it's of the expected type.
-func (p *parser) expect(e yaml_event_type_t) {
-	if p.event.typ == yaml_NO_EVENT {
-		if !yaml_parser_parse(&p.parser, &p.event) {
-			p.fail()
-		}
-	}
-	if p.event.typ == yaml_STREAM_END_EVENT {
-		failf("attempted to go past the end of stream; corrupted value?")
-	}
-	if p.event.typ != e {
-		p.parser.problem = fmt.Sprintf("expected %s event but got %s", e, p.event.typ)
-		p.fail()
-	}
-	yaml_event_delete(&p.event)
-	p.event.typ = yaml_NO_EVENT
-}
-
-// peek peeks at the next event in the event stream,
-// puts the results into p.event and returns the event type.
-func (p *parser) peek() yaml_event_type_t {
-	if p.event.typ != yaml_NO_EVENT {
-		return p.event.typ
-	}
-	if !yaml_parser_parse(&p.parser, &p.event) {
-		p.fail()
-	}
-	return p.event.typ
-}
-
-func (p *parser) fail() {
-	var where string
-	var line int
-	if p.parser.context_mark.line != 0 {
-		line = p.parser.context_mark.line
-		// Scanner errors don't iterate line before returning error
-		if p.parser.error == yaml_SCANNER_ERROR {
-			line++
-		}
-	} else if p.parser.problem_mark.line != 0 {
-		line = p.parser.problem_mark.line
-		// Scanner errors don't iterate line before returning error
-		if p.parser.error == yaml_SCANNER_ERROR {
-			line++
-		}
-	}
-	if line != 0 {
-		where = "line " + strconv.Itoa(line) + ": "
-	}
-	var msg string
-	if len(p.parser.problem) > 0 {
-		msg = p.parser.problem
-	} else {
-		msg = "unknown problem parsing YAML content"
-	}
-	failf("%s%s", where, msg)
-}
-
-func (p *parser) anchor(n *Node, anchor []byte) {
-	if anchor != nil {
-		n.Anchor = string(anchor)
-		p.anchors[n.Anchor] = n
-	}
-}
-
-func (p *parser) parse() *Node {
-	p.init()
-	switch p.peek() {
-	case yaml_SCALAR_EVENT:
-		return p.scalar()
-	case yaml_ALIAS_EVENT:
-		return p.alias()
-	case yaml_MAPPING_START_EVENT:
-		return p.mapping()
-	case yaml_SEQUENCE_START_EVENT:
-		return p.sequence()
-	case yaml_DOCUMENT_START_EVENT:
-		return p.document()
-	case yaml_STREAM_END_EVENT:
-		// Happens when attempting to decode an empty buffer.
-		return nil
-	case yaml_TAIL_COMMENT_EVENT:
-		panic("internal error: unexpected tail comment event (please report)")
-	default:
-		panic("internal error: attempted to parse unknown event (please report): " + p.event.typ.String())
-	}
-}
-
-func (p *parser) node(kind Kind, defaultTag, tag, value string) *Node {
-	var style Style
-	if tag != "" && tag != "!" {
-		tag = shortTag(tag)
-		style = TaggedStyle
-	} else if defaultTag != "" {
-		tag = defaultTag
-	} else if kind == ScalarNode {
-		tag, _ = resolve("", value)
-	}
-	n := &Node{
-		Kind:  kind,
-		Tag:   tag,
-		Value: value,
-		Style: style,
-	}
-	if !p.textless {
-		n.Line = p.event.start_mark.line + 1
-		n.Column = p.event.start_mark.column + 1
-		n.HeadComment = string(p.event.head_comment)
-		n.LineComment = string(p.event.line_comment)
-		n.FootComment = string(p.event.foot_comment)
-	}
-	return n
-}
-
-func (p *parser) parseChild(parent *Node) *Node {
-	child := p.parse()
-	parent.Content = append(parent.Content, child)
-	return child
-}
-
-func (p *parser) document() *Node {
-	n := p.node(DocumentNode, "", "", "")
-	p.doc = n
-	p.expect(yaml_DOCUMENT_START_EVENT)
-	p.parseChild(n)
-	if p.peek() == yaml_DOCUMENT_END_EVENT {
-		n.FootComment = string(p.event.foot_comment)
-	}
-	p.expect(yaml_DOCUMENT_END_EVENT)
-	return n
-}
-
-func (p *parser) alias() *Node {
-	n := p.node(AliasNode, "", "", string(p.event.anchor))
-	n.Alias = p.anchors[n.Value]
-	if n.Alias == nil {
-		failf("unknown anchor '%s' referenced", n.Value)
-	}
-	p.expect(yaml_ALIAS_EVENT)
-	return n
-}
-
-func (p *parser) scalar() *Node {
-	var parsedStyle = p.event.scalar_style()
-	var nodeStyle Style
-	switch {
-	case parsedStyle&yaml_DOUBLE_QUOTED_SCALAR_STYLE != 0:
-		nodeStyle = DoubleQuotedStyle
-	case parsedStyle&yaml_SINGLE_QUOTED_SCALAR_STYLE != 0:
-		nodeStyle = SingleQuotedStyle
-	case parsedStyle&yaml_LITERAL_SCALAR_STYLE != 0:
-		nodeStyle = LiteralStyle
-	case parsedStyle&yaml_FOLDED_SCALAR_STYLE != 0:
-		nodeStyle = FoldedStyle
-	}
-	var nodeValue = string(p.event.value)
-	var nodeTag = string(p.event.tag)
-	var defaultTag string
-	if nodeStyle == 0 {
-		if nodeValue == "<<" {
-			defaultTag = mergeTag
-		}
-	} else {
-		defaultTag = strTag
-	}
-	n := p.node(ScalarNode, defaultTag, nodeTag, nodeValue)
-	n.Style |= nodeStyle
-	p.anchor(n, p.event.anchor)
-	p.expect(yaml_SCALAR_EVENT)
-	return n
-}
-
-func (p *parser) sequence() *Node {
-	n := p.node(SequenceNode, seqTag, string(p.event.tag), "")
-	if p.event.sequence_style()&yaml_FLOW_SEQUENCE_STYLE != 0 {
-		n.Style |= FlowStyle
-	}
-	p.anchor(n, p.event.anchor)
-	p.expect(yaml_SEQUENCE_START_EVENT)
-	for p.peek() != yaml_SEQUENCE_END_EVENT {
-		p.parseChild(n)
-	}
-	n.LineComment = string(p.event.line_comment)
-	n.FootComment = string(p.event.foot_comment)
-	p.expect(yaml_SEQUENCE_END_EVENT)
-	return n
-}
-
-func (p *parser) mapping() *Node {
-	n := p.node(MappingNode, mapTag, string(p.event.tag), "")
-	block := true
-	if p.event.mapping_style()&yaml_FLOW_MAPPING_STYLE != 0 {
-		block = false
-		n.Style |= FlowStyle
-	}
-	p.anchor(n, p.event.anchor)
-	p.expect(yaml_MAPPING_START_EVENT)
-	for p.peek() != yaml_MAPPING_END_EVENT {
-		k := p.parseChild(n)
-		if block && k.FootComment != "" {
-			// Must be a foot comment for the prior value when being dedented.
-			if len(n.Content) > 2 {
-				n.Content[len(n.Content)-3].FootComment = k.FootComment
-				k.FootComment = ""
-			}
-		}
-		v := p.parseChild(n)
-		if k.FootComment == "" && v.FootComment != "" {
-			k.FootComment = v.FootComment
-			v.FootComment = ""
-		}
-		if p.peek() == yaml_TAIL_COMMENT_EVENT {
-			if k.FootComment == "" {
-				k.FootComment = string(p.event.foot_comment)
-			}
-			p.expect(yaml_TAIL_COMMENT_EVENT)
-		}
-	}
-	n.LineComment = string(p.event.line_comment)
-	n.FootComment = string(p.event.foot_comment)
-	if n.Style&FlowStyle == 0 && n.FootComment != "" && len(n.Content) > 1 {
-		n.Content[len(n.Content)-2].FootComment = n.FootComment
-		n.FootComment = ""
-	}
-	p.expect(yaml_MAPPING_END_EVENT)
-	return n
-}
-
-// ----------------------------------------------------------------------------
-// Decoder, unmarshals a node into a provided value.
-
-type decoder struct {
-	doc     *Node
-	aliases map[*Node]bool
-	terrors []string
-
-	stringMapType  reflect.Type
-	generalMapType reflect.Type
-
-	knownFields bool
-	uniqueKeys  bool
-	decodeCount int
-	aliasCount  int
-	aliasDepth  int
-}
-
-var (
-	nodeType       = reflect.TypeOf(Node{})
-	durationType   = reflect.TypeOf(time.Duration(0))
-	stringMapType  = reflect.TypeOf(map[string]interface{}{})
-	generalMapType = reflect.TypeOf(map[interface{}]interface{}{})
-	ifaceType      = generalMapType.Elem()
-	timeType       = reflect.TypeOf(time.Time{})
-	ptrTimeType    = reflect.TypeOf(&time.Time{})
-)
-
-func newDecoder() *decoder {
-	d := &decoder{
-		stringMapType:  stringMapType,
-		generalMapType: generalMapType,
-		uniqueKeys:     true,
-	}
-	d.aliases = make(map[*Node]bool)
-	return d
-}
-
-func (d *decoder) terror(n *Node, tag string, out reflect.Value) {
-	if n.Tag != "" {
-		tag = n.Tag
-	}
-	value := n.Value
-	if tag != seqTag && tag != mapTag {
-		if len(value) > 10 {
-			value = " `" + value[:7] + "...`"
-		} else {
-			value = " `" + value + "`"
-		}
-	}
-	d.terrors = append(d.terrors, fmt.Sprintf("line %d: cannot unmarshal %s%s into %s", n.Line, shortTag(tag), value, out.Type()))
-}
-
-func (d *decoder) callUnmarshaler(n *Node, u Unmarshaler) (good bool) {
-	err := u.UnmarshalYAML(n)
-	if e, ok := err.(*TypeError); ok {
-		d.terrors = append(d.terrors, e.Errors...)
-		return false
-	}
-	if err != nil {
-		fail(err)
-	}
-	return true
-}
-
-func (d *decoder) callObsoleteUnmarshaler(n *Node, u obsoleteUnmarshaler) (good bool) {
-	terrlen := len(d.terrors)
-	err := u.UnmarshalYAML(func(v interface{}) (err error) {
-		defer handleErr(&err)
-		d.unmarshal(n, reflect.ValueOf(v))
-		if len(d.terrors) > terrlen {
-			issues := d.terrors[terrlen:]
-			d.terrors = d.terrors[:terrlen]
-			return &TypeError{issues}
-		}
-		return nil
-	})
-	if e, ok := err.(*TypeError); ok {
-		d.terrors = append(d.terrors, e.Errors...)
-		return false
-	}
-	if err != nil {
-		fail(err)
-	}
-	return true
-}
-
-// d.prepare initializes and dereferences pointers and calls UnmarshalYAML
-// if a value is found to implement it.
-// It returns the initialized and dereferenced out value, whether
-// unmarshalling was already done by UnmarshalYAML, and if so whether
-// its types unmarshalled appropriately.
-//
-// If n holds a null value, prepare returns before doing anything.
-func (d *decoder) prepare(n *Node, out reflect.Value) (newout reflect.Value, unmarshaled, good bool) {
-	if n.ShortTag() == nullTag || n.Kind == 0 && n.IsZero() {
-		return out, false, false
-	}
-	again := true
-	for again {
-		again = false
-		if out.Kind() == reflect.Ptr {
-			if out.IsNil() {
-				out.Set(reflect.New(out.Type().Elem()))
-			}
-			out = out.Elem()
-			again = true
-		}
-		if out.CanAddr() {
-			outi := out.Addr().Interface()
-			if u, ok := outi.(Unmarshaler); ok {
-				good = d.callUnmarshaler(n, u)
-				return out, true, good
-			}
-			if u, ok := outi.(obsoleteUnmarshaler); ok {
-				good = d.callObsoleteUnmarshaler(n, u)
-				return out, true, good
-			}
-		}
-	}
-	return out, false, false
-}
-
-func (d *decoder) fieldByIndex(n *Node, v reflect.Value, index []int) (field reflect.Value) {
-	if n.ShortTag() == nullTag {
-		return reflect.Value{}
-	}
-	for _, num := range index {
-		for {
-			if v.Kind() == reflect.Ptr {
-				if v.IsNil() {
-					v.Set(reflect.New(v.Type().Elem()))
-				}
-				v = v.Elem()
-				continue
-			}
-			break
-		}
-		v = v.Field(num)
-	}
-	return v
-}
-
-const (
-	// 400,000 decode operations is ~500kb of dense object declarations, or
-	// ~5kb of dense object declarations with 10000% alias expansion
-	alias_ratio_range_low = 400000
-
-	// 4,000,000 decode operations is ~5MB of dense object declarations, or
-	// ~4.5MB of dense object declarations with 10% alias expansion
-	alias_ratio_range_high = 4000000
-
-	// alias_ratio_range is the range over which we scale allowed alias ratios
-	alias_ratio_range = float64(alias_ratio_range_high - alias_ratio_range_low)
-)
-
-func allowedAliasRatio(decodeCount int) float64 {
-	switch {
-	case decodeCount <= alias_ratio_range_low:
-		// allow 99% to come from alias expansion for small-to-medium documents
-		return 0.99
-	case decodeCount >= alias_ratio_range_high:
-		// allow 10% to come from alias expansion for very large documents
-		return 0.10
-	default:
-		// scale smoothly from 99% down to 10% over the range.
-		// this maps to 396,000 - 400,000 allowed alias-driven decodes over the range.
-		// 400,000 decode operations is ~100MB of allocations in worst-case scenarios (single-item maps).
-		return 0.99 - 0.89*(float64(decodeCount-alias_ratio_range_low)/alias_ratio_range)
-	}
-}
-
-func (d *decoder) unmarshal(n *Node, out reflect.Value) (good bool) {
-	d.decodeCount++
-	if d.aliasDepth > 0 {
-		d.aliasCount++
-	}
-	if d.aliasCount > 100 && d.decodeCount > 1000 && float64(d.aliasCount)/float64(d.decodeCount) > allowedAliasRatio(d.decodeCount) {
-		failf("document contains excessive aliasing")
-	}
-	if out.Type() == nodeType {
-		out.Set(reflect.ValueOf(n).Elem())
-		return true
-	}
-	switch n.Kind {
-	case DocumentNode:
-		return d.document(n, out)
-	case AliasNode:
-		return d.alias(n, out)
-	}
-	out, unmarshaled, good := d.prepare(n, out)
-	if unmarshaled {
-		return good
-	}
-	switch n.Kind {
-	case ScalarNode:
-		good = d.scalar(n, out)
-	case MappingNode:
-		good = d.mapping(n, out)
-	case SequenceNode:
-		good = d.sequence(n, out)
-	case 0:
-		if n.IsZero() {
-			return d.null(out)
-		}
-		fallthrough
-	default:
-		failf("cannot decode node with unknown kind %d", n.Kind)
-	}
-	return good
-}
-
-func (d *decoder) document(n *Node, out reflect.Value) (good bool) {
-	if len(n.Content) == 1 {
-		d.doc = n
-		d.unmarshal(n.Content[0], out)
-		return true
-	}
-	return false
-}
-
-func (d *decoder) alias(n *Node, out reflect.Value) (good bool) {
-	if d.aliases[n] {
-		// TODO this could actually be allowed in some circumstances.
-		failf("anchor '%s' value contains itself", n.Value)
-	}
-	d.aliases[n] = true
-	d.aliasDepth++
-	good = d.unmarshal(n.Alias, out)
-	d.aliasDepth--
-	delete(d.aliases, n)
-	return good
-}
-
-var zeroValue reflect.Value
-
-func resetMap(out reflect.Value) {
-	for _, k := range out.MapKeys() {
-		out.SetMapIndex(k, zeroValue)
-	}
-}
-
-func (d *decoder) null(out reflect.Value) bool {
-	if out.CanAddr() {
-		switch out.Kind() {
-		case reflect.Interface, reflect.Ptr, reflect.Map, reflect.Slice:
-			out.Set(reflect.Zero(out.Type()))
-			return true
-		}
-	}
-	return false
-}
-
-func (d *decoder) scalar(n *Node, out reflect.Value) bool {
-	var tag string
-	var resolved interface{}
-	if n.indicatedString() {
-		tag = strTag
-		resolved = n.Value
-	} else {
-		tag, resolved = resolve(n.Tag, n.Value)
-		if tag == binaryTag {
-			data, err := base64.StdEncoding.DecodeString(resolved.(string))
-			if err != nil {
-				failf("!!binary value contains invalid base64 data")
-			}
-			resolved = string(data)
-		}
-	}
-	if resolved == nil {
-		return d.null(out)
-	}
-	if resolvedv := reflect.ValueOf(resolved); out.Type() == resolvedv.Type() {
-		// We've resolved to exactly the type we want, so use that.
-		out.Set(resolvedv)
-		return true
-	}
-	// Perhaps we can use the value as a TextUnmarshaler to
-	// set its value.
-	if out.CanAddr() {
-		u, ok := out.Addr().Interface().(encoding.TextUnmarshaler)
-		if ok {
-			var text []byte
-			if tag == binaryTag {
-				text = []byte(resolved.(string))
-			} else {
-				// We let any value be unmarshaled into TextUnmarshaler.
-				// That might be more lax than we'd like, but the
-				// TextUnmarshaler itself should bowl out any dubious values.
-				text = []byte(n.Value)
-			}
-			err := u.UnmarshalText(text)
-			if err != nil {
-				fail(err)
-			}
-			return true
-		}
-	}
-	switch out.Kind() {
-	case reflect.String:
-		if tag == binaryTag {
-			out.SetString(resolved.(string))
-			return true
-		}
-		out.SetString(n.Value)
-		return true
-	case reflect.Interface:
-		out.Set(reflect.ValueOf(resolved))
-		return true
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		// This used to work in v2, but it's very unfriendly.
-		isDuration := out.Type() == durationType
-
-		switch resolved := resolved.(type) {
-		case int:
-			if !isDuration && !out.OverflowInt(int64(resolved)) {
-				out.SetInt(int64(resolved))
-				return true
-			}
-		case int64:
-			if !isDuration && !out.OverflowInt(resolved) {
-				out.SetInt(resolved)
-				return true
-			}
-		case uint64:
-			if !isDuration && resolved <= math.MaxInt64 && !out.OverflowInt(int64(resolved)) {
-				out.SetInt(int64(resolved))
-				return true
-			}
-		case float64:
-			if !isDuration && resolved <= math.MaxInt64 && !out.OverflowInt(int64(resolved)) {
-				out.SetInt(int64(resolved))
-				return true
-			}
-		case string:
-			if out.Type() == durationType {
-				d, err := time.ParseDuration(resolved)
-				if err == nil {
-					out.SetInt(int64(d))
-					return true
-				}
-			}
-		}
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		switch resolved := resolved.(type) {
-		case int:
-			if resolved >= 0 && !out.OverflowUint(uint64(resolved)) {
-				out.SetUint(uint64(resolved))
-				return true
-			}
-		case int64:
-			if resolved >= 0 && !out.OverflowUint(uint64(resolved)) {
-				out.SetUint(uint64(resolved))
-				return true
-			}
-		case uint64:
-			if !out.OverflowUint(uint64(resolved)) {
-				out.SetUint(uint64(resolved))
-				return true
-			}
-		case float64:
-			if resolved <= math.MaxUint64 && !out.OverflowUint(uint64(resolved)) {
-				out.SetUint(uint64(resolved))
-				return true
-			}
-		}
-	case reflect.Bool:
-		switch resolved := resolved.(type) {
-		case bool:
-			out.SetBool(resolved)
-			return true
-		case string:
-			// This offers some compatibility with the 1.1 spec (https://yaml.org/type/bool.html).
-			// It only works if explicitly attempting to unmarshal into a typed bool value.
-			switch resolved {
-			case "y", "Y", "yes", "Yes", "YES", "on", "On", "ON":
-				out.SetBool(true)
-				return true
-			case "n", "N", "no", "No", "NO", "off", "Off", "OFF":
-				out.SetBool(false)
-				return true
-			}
-		}
-	case reflect.Float32, reflect.Float64:
-		switch resolved := resolved.(type) {
-		case int:
-			out.SetFloat(float64(resolved))
-			return true
-		case int64:
-			out.SetFloat(float64(resolved))
-			return true
-		case uint64:
-			out.SetFloat(float64(resolved))
-			return true
-		case float64:
-			out.SetFloat(resolved)
-			return true
-		}
-	case reflect.Struct:
-		if resolvedv := reflect.ValueOf(resolved); out.Type() == resolvedv.Type() {
-			out.Set(resolvedv)
-			return true
-		}
-	case reflect.Ptr:
-		panic("yaml internal error: please report the issue")
-	}
-	d.terror(n, tag, out)
-	return false
-}
-
-func settableValueOf(i interface{}) reflect.Value {
-	v := reflect.ValueOf(i)
-	sv := reflect.New(v.Type()).Elem()
-	sv.Set(v)
-	return sv
-}
-
-func (d *decoder) sequence(n *Node, out reflect.Value) (good bool) {
-	l := len(n.Content)
-
-	var iface reflect.Value
-	switch out.Kind() {
-	case reflect.Slice:
-		out.Set(reflect.MakeSlice(out.Type(), l, l))
-	case reflect.Array:
-		if l != out.Len() {
-			failf("invalid array: want %d elements but got %d", out.Len(), l)
-		}
-	case reflect.Interface:
-		// No type hints. Will have to use a generic sequence.
-		iface = out
-		out = settableValueOf(make([]interface{}, l))
-	default:
-		d.terror(n, seqTag, out)
-		return false
-	}
-	et := out.Type().Elem()
-
-	j := 0
-	for i := 0; i < l; i++ {
-		e := reflect.New(et).Elem()
-		if ok := d.unmarshal(n.Content[i], e); ok {
-			out.Index(j).Set(e)
-			j++
-		}
-	}
-	if out.Kind() != reflect.Array {
-		out.Set(out.Slice(0, j))
-	}
-	if iface.IsValid() {
-		iface.Set(out)
-	}
-	return true
-}
-
-func (d *decoder) mapping(n *Node, out reflect.Value) (good bool) {
-	l := len(n.Content)
-	if d.uniqueKeys {
-		nerrs := len(d.terrors)
-		for i := 0; i < l; i += 2 {
-			ni := n.Content[i]
-			for j := i + 2; j < l; j += 2 {
-				nj := n.Content[j]
-				if ni.Kind == nj.Kind && ni.Value == nj.Value {
-					d.terrors = append(d.terrors, fmt.Sprintf("line %d: mapping key %#v already defined at line %d", nj.Line, nj.Value, ni.Line))
-				}
-			}
-		}
-		if len(d.terrors) > nerrs {
-			return false
-		}
-	}
-	switch out.Kind() {
-	case reflect.Struct:
-		return d.mappingStruct(n, out)
-	case reflect.Map:
-		// okay
-	case reflect.Interface:
-		iface := out
-		if isStringMap(n) {
-			out = reflect.MakeMap(d.stringMapType)
-		} else {
-			out = reflect.MakeMap(d.generalMapType)
-		}
-		iface.Set(out)
-	default:
-		d.terror(n, mapTag, out)
-		return false
-	}
-
-	outt := out.Type()
-	kt := outt.Key()
-	et := outt.Elem()
-
-	stringMapType := d.stringMapType
-	generalMapType := d.generalMapType
-	if outt.Elem() == ifaceType {
-		if outt.Key().Kind() == reflect.String {
-			d.stringMapType = outt
-		} else if outt.Key() == ifaceType {
-			d.generalMapType = outt
-		}
-	}
-
-	if out.IsNil() {
-		out.Set(reflect.MakeMap(outt))
-	}
-	for i := 0; i < l; i += 2 {
-		if isMerge(n.Content[i]) {
-			d.merge(n.Content[i+1], out)
-			continue
-		}
-		k := reflect.New(kt).Elem()
-		if d.unmarshal(n.Content[i], k) {
-			kkind := k.Kind()
-			if kkind == reflect.Interface {
-				kkind = k.Elem().Kind()
-			}
-			if kkind == reflect.Map || kkind == reflect.Slice {
-				failf("invalid map key: %#v", k.Interface())
-			}
-			e := reflect.New(et).Elem()
-			if d.unmarshal(n.Content[i+1], e) {
-				out.SetMapIndex(k, e)
-			}
-		}
-	}
-	d.stringMapType = stringMapType
-	d.generalMapType = generalMapType
-	return true
-}
-
-func isStringMap(n *Node) bool {
-	if n.Kind != MappingNode {
-		return false
-	}
-	l := len(n.Content)
-	for i := 0; i < l; i += 2 {
-		if n.Content[i].ShortTag() != strTag {
-			return false
-		}
-	}
-	return true
-}
-
-func (d *decoder) mappingStruct(n *Node, out reflect.Value) (good bool) {
-	sinfo, err := getStructInfo(out.Type())
-	if err != nil {
-		panic(err)
-	}
-
-	var inlineMap reflect.Value
-	var elemType reflect.Type
-	if sinfo.InlineMap != -1 {
-		inlineMap = out.Field(sinfo.InlineMap)
-		inlineMap.Set(reflect.New(inlineMap.Type()).Elem())
-		elemType = inlineMap.Type().Elem()
-	}
-
-	for _, index := range sinfo.InlineUnmarshalers {
-		field := d.fieldByIndex(n, out, index)
-		d.prepare(n, field)
-	}
-
-	var doneFields []bool
-	if d.uniqueKeys {
-		doneFields = make([]bool, len(sinfo.FieldsList))
-	}
-	name := settableValueOf("")
-	l := len(n.Content)
-	for i := 0; i < l; i += 2 {
-		ni := n.Content[i]
-		if isMerge(ni) {
-			d.merge(n.Content[i+1], out)
-			continue
-		}
-		if !d.unmarshal(ni, name) {
-			continue
-		}
-		if info, ok := sinfo.FieldsMap[name.String()]; ok {
-			if d.uniqueKeys {
-				if doneFields[info.Id] {
-					d.terrors = append(d.terrors, fmt.Sprintf("line %d: field %s already set in type %s", ni.Line, name.String(), out.Type()))
-					continue
-				}
-				doneFields[info.Id] = true
-			}
-			var field reflect.Value
-			if info.Inline == nil {
-				field = out.Field(info.Num)
-			} else {
-				field = d.fieldByIndex(n, out, info.Inline)
-			}
-			d.unmarshal(n.Content[i+1], field)
-		} else if sinfo.InlineMap != -1 {
-			if inlineMap.IsNil() {
-				inlineMap.Set(reflect.MakeMap(inlineMap.Type()))
-			}
-			value := reflect.New(elemType).Elem()
-			d.unmarshal(n.Content[i+1], value)
-			inlineMap.SetMapIndex(name, value)
-		} else if d.knownFields {
-			d.terrors = append(d.terrors, fmt.Sprintf("line %d: field %s not found in type %s", ni.Line, name.String(), out.Type()))
-		}
-	}
-	return true
-}
-
-func failWantMap() {
-	failf("map merge requires map or sequence of maps as the value")
-}
-
-func (d *decoder) merge(n *Node, out reflect.Value) {
-	switch n.Kind {
-	case MappingNode:
-		d.unmarshal(n, out)
-	case AliasNode:
-		if n.Alias != nil && n.Alias.Kind != MappingNode {
-			failWantMap()
-		}
-		d.unmarshal(n, out)
-	case SequenceNode:
-		// Step backwards as earlier nodes take precedence.
-		for i := len(n.Content) - 1; i >= 0; i-- {
-			ni := n.Content[i]
-			if ni.Kind == AliasNode {
-				if ni.Alias != nil && ni.Alias.Kind != MappingNode {
-					failWantMap()
-				}
-			} else if ni.Kind != MappingNode {
-				failWantMap()
-			}
-			d.unmarshal(ni, out)
-		}
-	default:
-		failWantMap()
-	}
-}
-
-func isMerge(n *Node) bool {
-	return n.Kind == ScalarNode && n.Value == "<<" && (n.Tag == "" || n.Tag == "!" || shortTag(n.Tag) == mergeTag)
-}

vendor/gopkg.in/yaml.v3/encode.go

@@ -1,572 +0,0 @@
-//
-// Copyright (c) 2011-2019 Canonical Ltd
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package yaml
-
-import (
-	"encoding"
-	"fmt"
-	"io"
-	"reflect"
-	"regexp"
-	"sort"
-	"strconv"
-	"strings"
-	"time"
-	"unicode/utf8"
-)
-
-type encoder struct {
-	emitter  yaml_emitter_t
-	event    yaml_event_t
-	out      []byte
-	flow     bool
-	indent   int
-	doneInit bool
-}
-
-func newEncoder() *encoder {
-	e := &encoder{}
-	yaml_emitter_initialize(&e.emitter)
-	yaml_emitter_set_output_string(&e.emitter, &e.out)
-	yaml_emitter_set_unicode(&e.emitter, true)
-	return e
-}
-
-func newEncoderWithWriter(w io.Writer) *encoder {
-	e := &encoder{}
-	yaml_emitter_initialize(&e.emitter)
-	yaml_emitter_set_output_writer(&e.emitter, w)
-	yaml_emitter_set_unicode(&e.emitter, true)
-	return e
-}
-
-func (e *encoder) init() {
-	if e.doneInit {
-		return
-	}
-	if e.indent == 0 {
-		e.indent = 4
-	}
-	e.emitter.best_indent = e.indent
-	yaml_stream_start_event_initialize(&e.event, yaml_UTF8_ENCODING)
-	e.emit()
-	e.doneInit = true
-}
-
-func (e *encoder) finish() {
-	e.emitter.open_ended = false
-	yaml_stream_end_event_initialize(&e.event)
-	e.emit()
-}
-
-func (e *encoder) destroy() {
-	yaml_emitter_delete(&e.emitter)
-}
-
-func (e *encoder) emit() {
-	// This will internally delete the e.event value.
-	e.must(yaml_emitter_emit(&e.emitter, &e.event))
-}
-
-func (e *encoder) must(ok bool) {
-	if !ok {
-		msg := e.emitter.problem
-		if msg == "" {
-			msg = "unknown problem generating YAML content"
-		}
-		failf("%s", msg)
-	}
-}
-
-func (e *encoder) marshalDoc(tag string, in reflect.Value) {
-	e.init()
-	var node *Node
-	if in.IsValid() {
-		node, _ = in.Interface().(*Node)
-	}
-	if node != nil && node.Kind == DocumentNode {
-		e.nodev(in)
-	} else {
-		yaml_document_start_event_initialize(&e.event, nil, nil, true)
-		e.emit()
-		e.marshal(tag, in)
-		yaml_document_end_event_initialize(&e.event, true)
-		e.emit()
-	}
-}
-
-func (e *encoder) marshal(tag string, in reflect.Value) {
-	tag = shortTag(tag)
-	if !in.IsValid() || in.Kind() == reflect.Ptr && in.IsNil() {
-		e.nilv()
-		return
-	}
-	iface := in.Interface()
-	switch value := iface.(type) {
-	case *Node:
-		e.nodev(in)
-		return
-	case Node:
-		e.nodev(in.Addr())
-		return
-	case time.Time:
-		e.timev(tag, in)
-		return
-	case *time.Time:
-		e.timev(tag, in.Elem())
-		return
-	case time.Duration:
-		e.stringv(tag, reflect.ValueOf(value.String()))
-		return
-	case Marshaler:
-		v, err := value.MarshalYAML()
-		if err != nil {
-			fail(err)
-		}
-		if v == nil {
-			e.nilv()
-			return
-		}
-		e.marshal(tag, reflect.ValueOf(v))
-		return
-	case encoding.TextMarshaler:
-		text, err := value.MarshalText()
-		if err != nil {
-			fail(err)
-		}
-		in = reflect.ValueOf(string(text))
-	case nil:
-		e.nilv()
-		return
-	}
-	switch in.Kind() {
-	case reflect.Interface:
-		e.marshal(tag, in.Elem())
-	case reflect.Map:
-		e.mapv(tag, in)
-	case reflect.Ptr:
-		e.marshal(tag, in.Elem())
-	case reflect.Struct:
-		e.structv(tag, in)
-	case reflect.Slice, reflect.Array:
-		e.slicev(tag, in)
-	case reflect.String:
-		e.stringv(tag, in)
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		e.intv(tag, in)
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		e.uintv(tag, in)
-	case reflect.Float32, reflect.Float64:
-		e.floatv(tag, in)
-	case reflect.Bool:
-		e.boolv(tag, in)
-	default:
-		panic("cannot marshal type: " + in.Type().String())
-	}
-}
-
-func (e *encoder) mapv(tag string, in reflect.Value) {
-	e.mappingv(tag, func() {
-		keys := keyList(in.MapKeys())
-		sort.Sort(keys)
-		for _, k := range keys {
-			e.marshal("", k)
-			e.marshal("", in.MapIndex(k))
-		}
-	})
-}
-
-func (e *encoder) fieldByIndex(v reflect.Value, index []int) (field reflect.Value) {
-	for _, num := range index {
-		for {
-			if v.Kind() == reflect.Ptr {
-				if v.IsNil() {
-					return reflect.Value{}
-				}
-				v = v.Elem()
-				continue
-			}
-			break
-		}
-		v = v.Field(num)
-	}
-	return v
-}
-
-func (e *encoder) structv(tag string, in reflect.Value) {
-	sinfo, err := getStructInfo(in.Type())
-	if err != nil {
-		panic(err)
-	}
-	e.mappingv(tag, func() {
-		for _, info := range sinfo.FieldsList {
-			var value reflect.Value
-			if info.Inline == nil {
-				value = in.Field(info.Num)
-			} else {
-				value = e.fieldByIndex(in, info.Inline)
-				if !value.IsValid() {
-					continue
-				}
-			}
-			if info.OmitEmpty && isZero(value) {
-				continue
-			}
-			e.marshal("", reflect.ValueOf(info.Key))
-			e.flow = info.Flow
-			e.marshal("", value)
-		}
-		if sinfo.InlineMap >= 0 {
-			m := in.Field(sinfo.InlineMap)
-			if m.Len() > 0 {
-				e.flow = false
-				keys := keyList(m.MapKeys())
-				sort.Sort(keys)
-				for _, k := range keys {
-					if _, found := sinfo.FieldsMap[k.String()]; found {
-						panic(fmt.Sprintf("cannot have key %q in inlined map: conflicts with struct field", k.String()))
-					}
-					e.marshal("", k)
-					e.flow = false
-					e.marshal("", m.MapIndex(k))
-				}
-			}
-		}
-	})
-}
-
-func (e *encoder) mappingv(tag string, f func()) {
-	implicit := tag == ""
-	style := yaml_BLOCK_MAPPING_STYLE
-	if e.flow {
-		e.flow = false
-		style = yaml_FLOW_MAPPING_STYLE
-	}
-	yaml_mapping_start_event_initialize(&e.event, nil, []byte(tag), implicit, style)
-	e.emit()
-	f()
-	yaml_mapping_end_event_initialize(&e.event)
-	e.emit()
-}
-
-func (e *encoder) slicev(tag string, in reflect.Value) {
-	implicit := tag == ""
-	style := yaml_BLOCK_SEQUENCE_STYLE
-	if e.flow {
-		e.flow = false
-		style = yaml_FLOW_SEQUENCE_STYLE
-	}
-	e.must(yaml_sequence_start_event_initialize(&e.event, nil, []byte(tag), implicit, style))
-	e.emit()
-	n := in.Len()
-	for i := 0; i < n; i++ {
-		e.marshal("", in.Index(i))
-	}
-	e.must(yaml_sequence_end_event_initialize(&e.event))
-	e.emit()
-}
-
-// isBase60 returns whether s is in base 60 notation as defined in YAML 1.1.
-//
-// The base 60 float notation in YAML 1.1 is a terrible idea and is unsupported
-// in YAML 1.2 and by this package, but these should be marshalled quoted for
-// the time being for compatibility with other parsers.
-func isBase60Float(s string) (result bool) {
-	// Fast path.
-	if s == "" {
-		return false
-	}
-	c := s[0]
-	if !(c == '+' || c == '-' || c >= '0' && c <= '9') || strings.IndexByte(s, ':') < 0 {
-		return false
-	}
-	// Do the full match.
-	return base60float.MatchString(s)
-}
-
-// From http://yaml.org/type/float.html, except the regular expression there
-// is bogus. In practice parsers do not enforce the "\.[0-9_]*" suffix.
-var base60float = regexp.MustCompile(`^[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+(?:\.[0-9_]*)?$`)
-
-// isOldBool returns whether s is bool notation as defined in YAML 1.1.
-//
-// We continue to force strings that YAML 1.1 would interpret as booleans to be
-// rendered as quotes strings so that the marshalled output valid for YAML 1.1
-// parsing.
-func isOldBool(s string) (result bool) {
-	switch s {
-	case "y", "Y", "yes", "Yes", "YES", "on", "On", "ON",
-		"n", "N", "no", "No", "NO", "off", "Off", "OFF":
-		return true
-	default:
-		return false
-	}
-}
-
-func (e *encoder) stringv(tag string, in reflect.Value) {
-	var style yaml_scalar_style_t
-	s := in.String()
-	canUsePlain := true
-	switch {
-	case !utf8.ValidString(s):
-		if tag == binaryTag {
-			failf("explicitly tagged !!binary data must be base64-encoded")
-		}
-		if tag != "" {
-			failf("cannot marshal invalid UTF-8 data as %s", shortTag(tag))
-		}
-		// It can't be encoded directly as YAML so use a binary tag
-		// and encode it as base64.
-		tag = binaryTag
-		s = encodeBase64(s)
-	case tag == "":
-		// Check to see if it would resolve to a specific
-		// tag when encoded unquoted. If it doesn't,
-		// there's no need to quote it.
-		rtag, _ := resolve("", s)
-		canUsePlain = rtag == strTag && !(isBase60Float(s) || isOldBool(s))
-	}
-	// Note: it's possible for user code to emit invalid YAML
-	// if they explicitly specify a tag and a string containing
-	// text that's incompatible with that tag.
-	switch {
-	case strings.Contains(s, "\n"):
-		if e.flow {
-			style = yaml_DOUBLE_QUOTED_SCALAR_STYLE
-		} else {
-			style = yaml_LITERAL_SCALAR_STYLE
-		}
-	case canUsePlain:
-		style = yaml_PLAIN_SCALAR_STYLE
-	default:
-		style = yaml_DOUBLE_QUOTED_SCALAR_STYLE
-	}
-	e.emitScalar(s, "", tag, style, nil, nil, nil, nil)
-}
-
-func (e *encoder) boolv(tag string, in reflect.Value) {
-	var s string
-	if in.Bool() {
-		s = "true"
-	} else {
-		s = "false"
-	}
-	e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE, nil, nil, nil, nil)
-}
-
-func (e *encoder) intv(tag string, in reflect.Value) {
-	s := strconv.FormatInt(in.Int(), 10)
-	e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE, nil, nil, nil, nil)
-}
-
-func (e *encoder) uintv(tag string, in reflect.Value) {
-	s := strconv.FormatUint(in.Uint(), 10)
-	e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE, nil, nil, nil, nil)
-}
-
-func (e *encoder) timev(tag string, in reflect.Value) {
-	t := in.Interface().(time.Time)
-	s := t.Format(time.RFC3339Nano)
-	e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE, nil, nil, nil, nil)
-}
-
-func (e *encoder) floatv(tag string, in reflect.Value) {
-	// Issue #352: When formatting, use the precision of the underlying value
-	precision := 64
-	if in.Kind() == reflect.Float32 {
-		precision = 32
-	}
-
-	s := strconv.FormatFloat(in.Float(), 'g', -1, precision)
-	switch s {
-	case "+Inf":
-		s = ".inf"
-	case "-Inf":
-		s = "-.inf"
-	case "NaN":
-		s = ".nan"
-	}
-	e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE, nil, nil, nil, nil)
-}
-
-func (e *encoder) nilv() {
-	e.emitScalar("null", "", "", yaml_PLAIN_SCALAR_STYLE, nil, nil, nil, nil)
-}
-
-func (e *encoder) emitScalar(value, anchor, tag string, style yaml_scalar_style_t, head, line, foot, tail []byte) {
-	// TODO Kill this function. Replace all initialize calls by their underlining Go literals.
-	implicit := tag == ""
-	if !implicit {
-		tag = longTag(tag)
-	}
-	e.must(yaml_scalar_event_initialize(&e.event, []byte(anchor), []byte(tag), []byte(value), implicit, implicit, style))
-	e.event.head_comment = head
-	e.event.line_comment = line
-	e.event.foot_comment = foot
-	e.event.tail_comment = tail
-	e.emit()
-}
-
-func (e *encoder) nodev(in reflect.Value) {
-	e.node(in.Interface().(*Node), "")
-}
-
-func (e *encoder) node(node *Node, tail string) {
-	// Zero nodes behave as nil.
-	if node.Kind == 0 && node.IsZero() {
-		e.nilv()
-		return
-	}
-
-	// If the tag was not explicitly requested, and dropping it won't change the
-	// implicit tag of the value, don't include it in the presentation.
-	var tag = node.Tag
-	var stag = shortTag(tag)
-	var forceQuoting bool
-	if tag != "" && node.Style&TaggedStyle == 0 {
-		if node.Kind == ScalarNode {
-			if stag == strTag && node.Style&(SingleQuotedStyle|DoubleQuotedStyle|LiteralStyle|FoldedStyle) != 0 {
-				tag = ""
-			} else {
-				rtag, _ := resolve("", node.Value)
-				if rtag == stag {
-					tag = ""
-				} else if stag == strTag {
-					tag = ""
-					forceQuoting = true
-				}
-			}
-		} else {
-			var rtag string
-			switch node.Kind {
-			case MappingNode:
-				rtag = mapTag
-			case SequenceNode:
-				rtag = seqTag
-			}
-			if rtag == stag {
-				tag = ""
-			}
-		}
-	}
-
-	switch node.Kind {
-	case DocumentNode:
-		yaml_document_start_event_initialize(&e.event, nil, nil, true)
-		e.event.head_comment = []byte(node.HeadComment)
-		e.emit()
-		for _, node := range node.Content {
-			e.node(node, "")
-		}
-		yaml_document_end_event_initialize(&e.event, true)
-		e.event.foot_comment = []byte(node.FootComment)
-		e.emit()
-
-	case SequenceNode:
-		style := yaml_BLOCK_SEQUENCE_STYLE
-		if node.Style&FlowStyle != 0 {
-			style = yaml_FLOW_SEQUENCE_STYLE
-		}
-		e.must(yaml_sequence_start_event_initialize(&e.event, []byte(node.Anchor), []byte(longTag(tag)), tag == "", style))
-		e.event.head_comment = []byte(node.HeadComment)
-		e.emit()
-		for _, node := range node.Content {
-			e.node(node, "")
-		}
-		e.must(yaml_sequence_end_event_initialize(&e.event))
-		e.event.line_comment = []byte(node.LineComment)
-		e.event.foot_comment = []byte(node.FootComment)
-		e.emit()
-
-	case MappingNode:
-		style := yaml_BLOCK_MAPPING_STYLE
-		if node.Style&FlowStyle != 0 {
-			style = yaml_FLOW_MAPPING_STYLE
-		}
-		yaml_mapping_start_event_initialize(&e.event, []byte(node.Anchor), []byte(longTag(tag)), tag == "", style)
-		e.event.tail_comment = []byte(tail)
-		e.event.head_comment = []byte(node.HeadComment)
-		e.emit()
-
-		// The tail logic below moves the foot comment of prior keys to the following key,
-		// since the value for each key may be a nested structure and the foot needs to be
-		// processed only the entirety of the value is streamed. The last tail is processed
-		// with the mapping end event.
-		var tail string
-		for i := 0; i+1 < len(node.Content); i += 2 {
-			k := node.Content[i]
-			foot := k.FootComment
-			if foot != "" {
-				kopy := *k
-				kopy.FootComment = ""
-				k = &kopy
-			}
-			e.node(k, tail)
-			tail = foot
-
-			v := node.Content[i+1]
-			e.node(v, "")
-		}
-
-		yaml_mapping_end_event_initialize(&e.event)
-		e.event.tail_comment = []byte(tail)
-		e.event.line_comment = []byte(node.LineComment)
-		e.event.foot_comment = []byte(node.FootComment)
-		e.emit()
-
-	case AliasNode:
-		yaml_alias_event_initialize(&e.event, []byte(node.Value))
-		e.event.head_comment = []byte(node.HeadComment)
-		e.event.line_comment = []byte(node.LineComment)
-		e.event.foot_comment = []byte(node.FootComment)
-		e.emit()
-
-	case ScalarNode:
-		value := node.Value
-		if !utf8.ValidString(value) {
-			if stag == binaryTag {
-				failf("explicitly tagged !!binary data must be base64-encoded")
-			}
-			if stag != "" {
-				failf("cannot marshal invalid UTF-8 data as %s", stag)
-			}
-			// It can't be encoded directly as YAML so use a binary tag
-			// and encode it as base64.
-			tag = binaryTag
-			value = encodeBase64(value)
-		}
-
-		style := yaml_PLAIN_SCALAR_STYLE
-		switch {
-		case node.Style&DoubleQuotedStyle != 0:
-			style = yaml_DOUBLE_QUOTED_SCALAR_STYLE
-		case node.Style&SingleQuotedStyle != 0:
-			style = yaml_SINGLE_QUOTED_SCALAR_STYLE
-		case node.Style&LiteralStyle != 0:
-			style = yaml_LITERAL_SCALAR_STYLE
-		case node.Style&FoldedStyle != 0:
-			style = yaml_FOLDED_SCALAR_STYLE
-		case strings.Contains(value, "\n"):
-			style = yaml_LITERAL_SCALAR_STYLE
-		case forceQuoting:
-			style = yaml_DOUBLE_QUOTED_SCALAR_STYLE
-		}
-
-		e.emitScalar(value, node.Anchor, tag, style, []byte(node.HeadComment), []byte(node.LineComment), []byte(node.FootComment), []byte(tail))
-	default:
-		failf("cannot encode node with unknown kind %d", node.Kind)
-	}
-}

vendor/gopkg.in/yaml.v3/go.mod

@@ -1,5 +0,0 @@
-module "gopkg.in/yaml.v3"
-
-require (
-	"gopkg.in/check.v1" v0.0.0-20161208181325-20d25e280405
-)

vendor/gopkg.in/yaml.v3/readerc.go

@@ -1,434 +0,0 @@
-// 
-// Copyright (c) 2011-2019 Canonical Ltd
-// Copyright (c) 2006-2010 Kirill Simonov
-// 
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-// of the Software, and to permit persons to whom the Software is furnished to do
-// so, subject to the following conditions:
-// 
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-// 
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-// SOFTWARE.
-
-package yaml
-
-import (
-	"io"
-)
-
-// Set the reader error and return 0.
-func yaml_parser_set_reader_error(parser *yaml_parser_t, problem string, offset int, value int) bool {
-	parser.error = yaml_READER_ERROR
-	parser.problem = problem
-	parser.problem_offset = offset
-	parser.problem_value = value
-	return false
-}
-
-// Byte order marks.
-const (
-	bom_UTF8    = "\xef\xbb\xbf"
-	bom_UTF16LE = "\xff\xfe"
-	bom_UTF16BE = "\xfe\xff"
-)
-
-// Determine the input stream encoding by checking the BOM symbol. If no BOM is
-// found, the UTF-8 encoding is assumed. Return 1 on success, 0 on failure.
-func yaml_parser_determine_encoding(parser *yaml_parser_t) bool {
-	// Ensure that we had enough bytes in the raw buffer.
-	for !parser.eof && len(parser.raw_buffer)-parser.raw_buffer_pos < 3 {
-		if !yaml_parser_update_raw_buffer(parser) {
-			return false
-		}
-	}
-
-	// Determine the encoding.
-	buf := parser.raw_buffer
-	pos := parser.raw_buffer_pos
-	avail := len(buf) - pos
-	if avail >= 2 && buf[pos] == bom_UTF16LE[0] && buf[pos+1] == bom_UTF16LE[1] {
-		parser.encoding = yaml_UTF16LE_ENCODING
-		parser.raw_buffer_pos += 2
-		parser.offset += 2
-	} else if avail >= 2 && buf[pos] == bom_UTF16BE[0] && buf[pos+1] == bom_UTF16BE[1] {
-		parser.encoding = yaml_UTF16BE_ENCODING
-		parser.raw_buffer_pos += 2
-		parser.offset += 2
-	} else if avail >= 3 && buf[pos] == bom_UTF8[0] && buf[pos+1] == bom_UTF8[1] && buf[pos+2] == bom_UTF8[2] {
-		parser.encoding = yaml_UTF8_ENCODING
-		parser.raw_buffer_pos += 3
-		parser.offset += 3
-	} else {
-		parser.encoding = yaml_UTF8_ENCODING
-	}
-	return true
-}
-
-// Update the raw buffer.
-func yaml_parser_update_raw_buffer(parser *yaml_parser_t) bool {
-	size_read := 0
-
-	// Return if the raw buffer is full.
-	if parser.raw_buffer_pos == 0 && len(parser.raw_buffer) == cap(parser.raw_buffer) {
-		return true
-	}
-
-	// Return on EOF.
-	if parser.eof {
-		return true
-	}
-
-	// Move the remaining bytes in the raw buffer to the beginning.
-	if parser.raw_buffer_pos > 0 && parser.raw_buffer_pos < len(parser.raw_buffer) {
-		copy(parser.raw_buffer, parser.raw_buffer[parser.raw_buffer_pos:])
-	}
-	parser.raw_buffer = parser.raw_buffer[:len(parser.raw_buffer)-parser.raw_buffer_pos]
-	parser.raw_buffer_pos = 0
-
-	// Call the read handler to fill the buffer.
-	size_read, err := parser.read_handler(parser, parser.raw_buffer[len(parser.raw_buffer):cap(parser.raw_buffer)])
-	parser.raw_buffer = parser.raw_buffer[:len(parser.raw_buffer)+size_read]
-	if err == io.EOF {
-		parser.eof = true
-	} else if err != nil {
-		return yaml_parser_set_reader_error(parser, "input error: "+err.Error(), parser.offset, -1)
-	}
-	return true
-}
-
-// Ensure that the buffer contains at least `length` characters.
-// Return true on success, false on failure.
-//
-// The length is supposed to be significantly less that the buffer size.
-func yaml_parser_update_buffer(parser *yaml_parser_t, length int) bool {
-	if parser.read_handler == nil {
-		panic("read handler must be set")
-	}
-
-	// [Go] This function was changed to guarantee the requested length size at EOF.
-	// The fact we need to do this is pretty awful, but the description above implies
-	// for that to be the case, and there are tests
-
-	// If the EOF flag is set and the raw buffer is empty, do nothing.
-	if parser.eof && parser.raw_buffer_pos == len(parser.raw_buffer) {
-		// [Go] ACTUALLY! Read the documentation of this function above.
-		// This is just broken. To return true, we need to have the
-		// given length in the buffer. Not doing that means every single
-		// check that calls this function to make sure the buffer has a
-		// given length is Go) panicking; or C) accessing invalid memory.
-		//return true
-	}
-
-	// Return if the buffer contains enough characters.
-	if parser.unread >= length {
-		return true
-	}
-
-	// Determine the input encoding if it is not known yet.
-	if parser.encoding == yaml_ANY_ENCODING {
-		if !yaml_parser_determine_encoding(parser) {
-			return false
-		}
-	}
-
-	// Move the unread characters to the beginning of the buffer.
-	buffer_len := len(parser.buffer)
-	if parser.buffer_pos > 0 && parser.buffer_pos < buffer_len {
-		copy(parser.buffer, parser.buffer[parser.buffer_pos:])
-		buffer_len -= parser.buffer_pos
-		parser.buffer_pos = 0
-	} else if parser.buffer_pos == buffer_len {
-		buffer_len = 0
-		parser.buffer_pos = 0
-	}
-
-	// Open the whole buffer for writing, and cut it before returning.
-	parser.buffer = parser.buffer[:cap(parser.buffer)]
-
-	// Fill the buffer until it has enough characters.
-	first := true
-	for parser.unread < length {
-
-		// Fill the raw buffer if necessary.
-		if !first || parser.raw_buffer_pos == len(parser.raw_buffer) {
-			if !yaml_parser_update_raw_buffer(parser) {
-				parser.buffer = parser.buffer[:buffer_len]
-				return false
-			}
-		}
-		first = false
-
-		// Decode the raw buffer.
-	inner:
-		for parser.raw_buffer_pos != len(parser.raw_buffer) {
-			var value rune
-			var width int
-
-			raw_unread := len(parser.raw_buffer) - parser.raw_buffer_pos
-
-			// Decode the next character.
-			switch parser.encoding {
-			case yaml_UTF8_ENCODING:
-				// Decode a UTF-8 character.  Check RFC 3629
-				// (http://www.ietf.org/rfc/rfc3629.txt) for more details.
-				//
-				// The following table (taken from the RFC) is used for
-				// decoding.
-				//
-				//    Char. number range |        UTF-8 octet sequence
-				//      (hexadecimal)    |              (binary)
-				//   --------------------+------------------------------------
-				//   0000 0000-0000 007F | 0xxxxxxx
-				//   0000 0080-0000 07FF | 110xxxxx 10xxxxxx
-				//   0000 0800-0000 FFFF | 1110xxxx 10xxxxxx 10xxxxxx
-				//   0001 0000-0010 FFFF | 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
-				//
-				// Additionally, the characters in the range 0xD800-0xDFFF
-				// are prohibited as they are reserved for use with UTF-16
-				// surrogate pairs.
-
-				// Determine the length of the UTF-8 sequence.
-				octet := parser.raw_buffer[parser.raw_buffer_pos]
-				switch {
-				case octet&0x80 == 0x00:
-					width = 1
-				case octet&0xE0 == 0xC0:
-					width = 2
-				case octet&0xF0 == 0xE0:
-					width = 3
-				case octet&0xF8 == 0xF0:
-					width = 4
-				default:
-					// The leading octet is invalid.
-					return yaml_parser_set_reader_error(parser,
-						"invalid leading UTF-8 octet",
-						parser.offset, int(octet))
-				}
-
-				// Check if the raw buffer contains an incomplete character.
-				if width > raw_unread {
-					if parser.eof {
-						return yaml_parser_set_reader_error(parser,
-							"incomplete UTF-8 octet sequence",
-							parser.offset, -1)
-					}
-					break inner
-				}
-
-				// Decode the leading octet.
-				switch {
-				case octet&0x80 == 0x00:
-					value = rune(octet & 0x7F)
-				case octet&0xE0 == 0xC0:
-					value = rune(octet & 0x1F)
-				case octet&0xF0 == 0xE0:
-					value = rune(octet & 0x0F)
-				case octet&0xF8 == 0xF0:
-					value = rune(octet & 0x07)
-				default:
-					value = 0
-				}
-
-				// Check and decode the trailing octets.
-				for k := 1; k < width; k++ {
-					octet = parser.raw_buffer[parser.raw_buffer_pos+k]
-
-					// Check if the octet is valid.
-					if (octet & 0xC0) != 0x80 {
-						return yaml_parser_set_reader_error(parser,
-							"invalid trailing UTF-8 octet",
-							parser.offset+k, int(octet))
-					}
-
-					// Decode the octet.
-					value = (value << 6) + rune(octet&0x3F)
-				}
-
-				// Check the length of the sequence against the value.
-				switch {
-				case width == 1:
-				case width == 2 && value >= 0x80:
-				case width == 3 && value >= 0x800:
-				case width == 4 && value >= 0x10000:
-				default:
-					return yaml_parser_set_reader_error(parser,
-						"invalid length of a UTF-8 sequence",
-						parser.offset, -1)
-				}
-
-				// Check the range of the value.
-				if value >= 0xD800 && value <= 0xDFFF || value > 0x10FFFF {
-					return yaml_parser_set_reader_error(parser,
-						"invalid Unicode character",
-						parser.offset, int(value))
-				}
-
-			case yaml_UTF16LE_ENCODING, yaml_UTF16BE_ENCODING:
-				var low, high int
-				if parser.encoding == yaml_UTF16LE_ENCODING {
-					low, high = 0, 1
-				} else {
-					low, high = 1, 0
-				}
-
-				// The UTF-16 encoding is not as simple as one might
-				// naively think.  Check RFC 2781
-				// (http://www.ietf.org/rfc/rfc2781.txt).
-				//
-				// Normally, two subsequent bytes describe a Unicode
-				// character.  However a special technique (called a
-				// surrogate pair) is used for specifying character
-				// values larger than 0xFFFF.
-				//
-				// A surrogate pair consists of two pseudo-characters:
-				//      high surrogate area (0xD800-0xDBFF)
-				//      low surrogate area (0xDC00-0xDFFF)
-				//
-				// The following formulas are used for decoding
-				// and encoding characters using surrogate pairs:
-				//
-				//  U  = U' + 0x10000   (0x01 00 00 <= U <= 0x10 FF FF)
-				//  U' = yyyyyyyyyyxxxxxxxxxx   (0 <= U' <= 0x0F FF FF)
-				//  W1 = 110110yyyyyyyyyy
-				//  W2 = 110111xxxxxxxxxx
-				//
-				// where U is the character value, W1 is the high surrogate
-				// area, W2 is the low surrogate area.
-
-				// Check for incomplete UTF-16 character.
-				if raw_unread < 2 {
-					if parser.eof {
-						return yaml_parser_set_reader_error(parser,
-							"incomplete UTF-16 character",
-							parser.offset, -1)
-					}
-					break inner
-				}
-
-				// Get the character.
-				value = rune(parser.raw_buffer[parser.raw_buffer_pos+low]) +
-					(rune(parser.raw_buffer[parser.raw_buffer_pos+high]) << 8)
-
-				// Check for unexpected low surrogate area.
-				if value&0xFC00 == 0xDC00 {
-					return yaml_parser_set_reader_error(parser,
-						"unexpected low surrogate area",
-						parser.offset, int(value))
-				}
-
-				// Check for a high surrogate area.
-				if value&0xFC00 == 0xD800 {
-					width = 4
-
-					// Check for incomplete surrogate pair.
-					if raw_unread < 4 {
-						if parser.eof {
-							return yaml_parser_set_reader_error(parser,
-								"incomplete UTF-16 surrogate pair",
-								parser.offset, -1)
-						}
-						break inner
-					}
-
-					// Get the next character.
-					value2 := rune(parser.raw_buffer[parser.raw_buffer_pos+low+2]) +
-						(rune(parser.raw_buffer[parser.raw_buffer_pos+high+2]) << 8)
-
-					// Check for a low surrogate area.
-					if value2&0xFC00 != 0xDC00 {
-						return yaml_parser_set_reader_error(parser,
-							"expected low surrogate area",
-							parser.offset+2, int(value2))
-					}
-
-					// Generate the value of the surrogate pair.
-					value = 0x10000 + ((value & 0x3FF) << 10) + (value2 & 0x3FF)
-				} else {
-					width = 2
-				}
-
-			default:
-				panic("impossible")
-			}
-
-			// Check if the character is in the allowed range:
-			//      #x9 | #xA | #xD | [#x20-#x7E]               (8 bit)
-			//      | #x85 | [#xA0-#xD7FF] | [#xE000-#xFFFD]    (16 bit)
-			//      | [#x10000-#x10FFFF]                        (32 bit)
-			switch {
-			case value == 0x09:
-			case value == 0x0A:
-			case value == 0x0D:
-			case value >= 0x20 && value <= 0x7E:
-			case value == 0x85:
-			case value >= 0xA0 && value <= 0xD7FF:
-			case value >= 0xE000 && value <= 0xFFFD:
-			case value >= 0x10000 && value <= 0x10FFFF:
-			default:
-				return yaml_parser_set_reader_error(parser,
-					"control characters are not allowed",
-					parser.offset, int(value))
-			}
-
-			// Move the raw pointers.
-			parser.raw_buffer_pos += width
-			parser.offset += width
-
-			// Finally put the character into the buffer.
-			if value <= 0x7F {
-				// 0000 0000-0000 007F . 0xxxxxxx
-				parser.buffer[buffer_len+0] = byte(value)
-				buffer_len += 1
-			} else if value <= 0x7FF {
-				// 0000 0080-0000 07FF . 110xxxxx 10xxxxxx
-				parser.buffer[buffer_len+0] = byte(0xC0 + (value >> 6))
-				parser.buffer[buffer_len+1] = byte(0x80 + (value & 0x3F))
-				buffer_len += 2
-			} else if value <= 0xFFFF {
-				// 0000 0800-0000 FFFF . 1110xxxx 10xxxxxx 10xxxxxx
-				parser.buffer[buffer_len+0] = byte(0xE0 + (value >> 12))
-				parser.buffer[buffer_len+1] = byte(0x80 + ((value >> 6) & 0x3F))
-				parser.buffer[buffer_len+2] = byte(0x80 + (value & 0x3F))
-				buffer_len += 3
-			} else {
-				// 0001 0000-0010 FFFF . 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
-				parser.buffer[buffer_len+0] = byte(0xF0 + (value >> 18))
-				parser.buffer[buffer_len+1] = byte(0x80 + ((value >> 12) & 0x3F))
-				parser.buffer[buffer_len+2] = byte(0x80 + ((value >> 6) & 0x3F))
-				parser.buffer[buffer_len+3] = byte(0x80 + (value & 0x3F))
-				buffer_len += 4
-			}
-
-			parser.unread++
-		}
-
-		// On EOF, put NUL into the buffer and return.
-		if parser.eof {
-			parser.buffer[buffer_len] = 0
-			buffer_len++
-			parser.unread++
-			break
-		}
-	}
-	// [Go] Read the documentation of this function above. To return true,
-	// we need to have the given length in the buffer. Not doing that means
-	// every single check that calls this function to make sure the buffer
-	// has a given length is Go) panicking; or C) accessing invalid memory.
-	// This happens here due to the EOF above breaking early.
-	for buffer_len < length {
-		parser.buffer[buffer_len] = 0
-		buffer_len++
-	}
-	parser.buffer = parser.buffer[:buffer_len]
-	return true
-}

vendor/gopkg.in/yaml.v3/resolve.go

@@ -1,326 +0,0 @@
-//
-// Copyright (c) 2011-2019 Canonical Ltd
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package yaml
-
-import (
-	"encoding/base64"
-	"math"
-	"regexp"
-	"strconv"
-	"strings"
-	"time"
-)
-
-type resolveMapItem struct {
-	value interface{}
-	tag   string
-}
-
-var resolveTable = make([]byte, 256)
-var resolveMap = make(map[string]resolveMapItem)
-
-func init() {
-	t := resolveTable
-	t[int('+')] = 'S' // Sign
-	t[int('-')] = 'S'
-	for _, c := range "0123456789" {
-		t[int(c)] = 'D' // Digit
-	}
-	for _, c := range "yYnNtTfFoO~" {
-		t[int(c)] = 'M' // In map
-	}
-	t[int('.')] = '.' // Float (potentially in map)
-
-	var resolveMapList = []struct {
-		v   interface{}
-		tag string
-		l   []string
-	}{
-		{true, boolTag, []string{"true", "True", "TRUE"}},
-		{false, boolTag, []string{"false", "False", "FALSE"}},
-		{nil, nullTag, []string{"", "~", "null", "Null", "NULL"}},
-		{math.NaN(), floatTag, []string{".nan", ".NaN", ".NAN"}},
-		{math.Inf(+1), floatTag, []string{".inf", ".Inf", ".INF"}},
-		{math.Inf(+1), floatTag, []string{"+.inf", "+.Inf", "+.INF"}},
-		{math.Inf(-1), floatTag, []string{"-.inf", "-.Inf", "-.INF"}},
-		{"<<", mergeTag, []string{"<<"}},
-	}
-
-	m := resolveMap
-	for _, item := range resolveMapList {
-		for _, s := range item.l {
-			m[s] = resolveMapItem{item.v, item.tag}
-		}
-	}
-}
-
-const (
-	nullTag      = "!!null"
-	boolTag      = "!!bool"
-	strTag       = "!!str"
-	intTag       = "!!int"
-	floatTag     = "!!float"
-	timestampTag = "!!timestamp"
-	seqTag       = "!!seq"
-	mapTag       = "!!map"
-	binaryTag    = "!!binary"
-	mergeTag     = "!!merge"
-)
-
-var longTags = make(map[string]string)
-var shortTags = make(map[string]string)
-
-func init() {
-	for _, stag := range []string{nullTag, boolTag, strTag, intTag, floatTag, timestampTag, seqTag, mapTag, binaryTag, mergeTag} {
-		ltag := longTag(stag)
-		longTags[stag] = ltag
-		shortTags[ltag] = stag
-	}
-}
-
-const longTagPrefix = "tag:yaml.org,2002:"
-
-func shortTag(tag string) string {
-	if strings.HasPrefix(tag, longTagPrefix) {
-		if stag, ok := shortTags[tag]; ok {
-			return stag
-		}
-		return "!!" + tag[len(longTagPrefix):]
-	}
-	return tag
-}
-
-func longTag(tag string) string {
-	if strings.HasPrefix(tag, "!!") {
-		if ltag, ok := longTags[tag]; ok {
-			return ltag
-		}
-		return longTagPrefix + tag[2:]
-	}
-	return tag
-}
-
-func resolvableTag(tag string) bool {
-	switch tag {
-	case "", strTag, boolTag, intTag, floatTag, nullTag, timestampTag:
-		return true
-	}
-	return false
-}
-
-var yamlStyleFloat = regexp.MustCompile(`^[-+]?(\.[0-9]+|[0-9]+(\.[0-9]*)?)([eE][-+]?[0-9]+)?$`)
-
-func resolve(tag string, in string) (rtag string, out interface{}) {
-	tag = shortTag(tag)
-	if !resolvableTag(tag) {
-		return tag, in
-	}
-
-	defer func() {
-		switch tag {
-		case "", rtag, strTag, binaryTag:
-			return
-		case floatTag:
-			if rtag == intTag {
-				switch v := out.(type) {
-				case int64:
-					rtag = floatTag
-					out = float64(v)
-					return
-				case int:
-					rtag = floatTag
-					out = float64(v)
-					return
-				}
-			}
-		}
-		failf("cannot decode %s `%s` as a %s", shortTag(rtag), in, shortTag(tag))
-	}()
-
-	// Any data is accepted as a !!str or !!binary.
-	// Otherwise, the prefix is enough of a hint about what it might be.
-	hint := byte('N')
-	if in != "" {
-		hint = resolveTable[in[0]]
-	}
-	if hint != 0 && tag != strTag && tag != binaryTag {
-		// Handle things we can lookup in a map.
-		if item, ok := resolveMap[in]; ok {
-			return item.tag, item.value
-		}
-
-		// Base 60 floats are a bad idea, were dropped in YAML 1.2, and
-		// are purposefully unsupported here. They're still quoted on
-		// the way out for compatibility with other parser, though.
-
-		switch hint {
-		case 'M':
-			// We've already checked the map above.
-
-		case '.':
-			// Not in the map, so maybe a normal float.
-			floatv, err := strconv.ParseFloat(in, 64)
-			if err == nil {
-				return floatTag, floatv
-			}
-
-		case 'D', 'S':
-			// Int, float, or timestamp.
-			// Only try values as a timestamp if the value is unquoted or there's an explicit
-			// !!timestamp tag.
-			if tag == "" || tag == timestampTag {
-				t, ok := parseTimestamp(in)
-				if ok {
-					return timestampTag, t
-				}
-			}
-
-			plain := strings.Replace(in, "_", "", -1)
-			intv, err := strconv.ParseInt(plain, 0, 64)
-			if err == nil {
-				if intv == int64(int(intv)) {
-					return intTag, int(intv)
-				} else {
-					return intTag, intv
-				}
-			}
-			uintv, err := strconv.ParseUint(plain, 0, 64)
-			if err == nil {
-				return intTag, uintv
-			}
-			if yamlStyleFloat.MatchString(plain) {
-				floatv, err := strconv.ParseFloat(plain, 64)
-				if err == nil {
-					return floatTag, floatv
-				}
-			}
-			if strings.HasPrefix(plain, "0b") {
-				intv, err := strconv.ParseInt(plain[2:], 2, 64)
-				if err == nil {
-					if intv == int64(int(intv)) {
-						return intTag, int(intv)
-					} else {
-						return intTag, intv
-					}
-				}
-				uintv, err := strconv.ParseUint(plain[2:], 2, 64)
-				if err == nil {
-					return intTag, uintv
-				}
-			} else if strings.HasPrefix(plain, "-0b") {
-				intv, err := strconv.ParseInt("-"+plain[3:], 2, 64)
-				if err == nil {
-					if true || intv == int64(int(intv)) {
-						return intTag, int(intv)
-					} else {
-						return intTag, intv
-					}
-				}
-			}
-			// Octals as introduced in version 1.2 of the spec.
-			// Octals from the 1.1 spec, spelled as 0777, are still
-			// decoded by default in v3 as well for compatibility.
-			// May be dropped in v4 depending on how usage evolves.
-			if strings.HasPrefix(plain, "0o") {
-				intv, err := strconv.ParseInt(plain[2:], 8, 64)
-				if err == nil {
-					if intv == int64(int(intv)) {
-						return intTag, int(intv)
-					} else {
-						return intTag, intv
-					}
-				}
-				uintv, err := strconv.ParseUint(plain[2:], 8, 64)
-				if err == nil {
-					return intTag, uintv
-				}
-			} else if strings.HasPrefix(plain, "-0o") {
-				intv, err := strconv.ParseInt("-"+plain[3:], 8, 64)
-				if err == nil {
-					if true || intv == int64(int(intv)) {
-						return intTag, int(intv)
-					} else {
-						return intTag, intv
-					}
-				}
-			}
-		default:
-			panic("internal error: missing handler for resolver table: " + string(rune(hint)) + " (with " + in + ")")
-		}
-	}
-	return strTag, in
-}
-
-// encodeBase64 encodes s as base64 that is broken up into multiple lines
-// as appropriate for the resulting length.
-func encodeBase64(s string) string {
-	const lineLen = 70
-	encLen := base64.StdEncoding.EncodedLen(len(s))
-	lines := encLen/lineLen + 1
-	buf := make([]byte, encLen*2+lines)
-	in := buf[0:encLen]
-	out := buf[encLen:]
-	base64.StdEncoding.Encode(in, []byte(s))
-	k := 0
-	for i := 0; i < len(in); i += lineLen {
-		j := i + lineLen
-		if j > len(in) {
-			j = len(in)
-		}
-		k += copy(out[k:], in[i:j])
-		if lines > 1 {
-			out[k] = '\n'
-			k++
-		}
-	}
-	return string(out[:k])
-}
-
-// This is a subset of the formats allowed by the regular expression
-// defined at http://yaml.org/type/timestamp.html.
-var allowedTimestampFormats = []string{
-	"2006-1-2T15:4:5.999999999Z07:00", // RCF3339Nano with short date fields.
-	"2006-1-2t15:4:5.999999999Z07:00", // RFC3339Nano with short date fields and lower-case "t".
-	"2006-1-2 15:4:5.999999999",       // space separated with no time zone
-	"2006-1-2",                        // date only
-	// Notable exception: time.Parse cannot handle: "2001-12-14 21:59:43.10 -5"
-	// from the set of examples.
-}
-
-// parseTimestamp parses s as a timestamp string and
-// returns the timestamp and reports whether it succeeded.
-// Timestamp formats are defined at http://yaml.org/type/timestamp.html
-func parseTimestamp(s string) (time.Time, bool) {
-	// TODO write code to check all the formats supported by
-	// http://yaml.org/type/timestamp.html instead of using time.Parse.
-
-	// Quick check: all date formats start with YYYY-.
-	i := 0
-	for ; i < len(s); i++ {
-		if c := s[i]; c < '0' || c > '9' {
-			break
-		}
-	}
-	if i != 4 || i == len(s) || s[i] != '-' {
-		return time.Time{}, false
-	}
-	for _, format := range allowedTimestampFormats {
-		if t, err := time.Parse(format, s); err == nil {
-			return t, true
-		}
-	}
-	return time.Time{}, false
-}

vendor/gopkg.in/yaml.v3/sorter.go

@@ -1,134 +0,0 @@
-//
-// Copyright (c) 2011-2019 Canonical Ltd
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package yaml
-
-import (
-	"reflect"
-	"unicode"
-)
-
-type keyList []reflect.Value
-
-func (l keyList) Len() int      { return len(l) }
-func (l keyList) Swap(i, j int) { l[i], l[j] = l[j], l[i] }
-func (l keyList) Less(i, j int) bool {
-	a := l[i]
-	b := l[j]
-	ak := a.Kind()
-	bk := b.Kind()
-	for (ak == reflect.Interface || ak == reflect.Ptr) && !a.IsNil() {
-		a = a.Elem()
-		ak = a.Kind()
-	}
-	for (bk == reflect.Interface || bk == reflect.Ptr) && !b.IsNil() {
-		b = b.Elem()
-		bk = b.Kind()
-	}
-	af, aok := keyFloat(a)
-	bf, bok := keyFloat(b)
-	if aok && bok {
-		if af != bf {
-			return af < bf
-		}
-		if ak != bk {
-			return ak < bk
-		}
-		return numLess(a, b)
-	}
-	if ak != reflect.String || bk != reflect.String {
-		return ak < bk
-	}
-	ar, br := []rune(a.String()), []rune(b.String())
-	digits := false
-	for i := 0; i < len(ar) && i < len(br); i++ {
-		if ar[i] == br[i] {
-			digits = unicode.IsDigit(ar[i])
-			continue
-		}
-		al := unicode.IsLetter(ar[i])
-		bl := unicode.IsLetter(br[i])
-		if al && bl {
-			return ar[i] < br[i]
-		}
-		if al || bl {
-			if digits {
-				return al
-			} else {
-				return bl
-			}
-		}
-		var ai, bi int
-		var an, bn int64
-		if ar[i] == '0' || br[i] == '0' {
-			for j := i - 1; j >= 0 && unicode.IsDigit(ar[j]); j-- {
-				if ar[j] != '0' {
-					an = 1
-					bn = 1
-					break
-				}
-			}
-		}
-		for ai = i; ai < len(ar) && unicode.IsDigit(ar[ai]); ai++ {
-			an = an*10 + int64(ar[ai]-'0')
-		}
-		for bi = i; bi < len(br) && unicode.IsDigit(br[bi]); bi++ {
-			bn = bn*10 + int64(br[bi]-'0')
-		}
-		if an != bn {
-			return an < bn
-		}
-		if ai != bi {
-			return ai < bi
-		}
-		return ar[i] < br[i]
-	}
-	return len(ar) < len(br)
-}
-
-// keyFloat returns a float value for v if it is a number/bool
-// and whether it is a number/bool or not.
-func keyFloat(v reflect.Value) (f float64, ok bool) {
-	switch v.Kind() {
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		return float64(v.Int()), true
-	case reflect.Float32, reflect.Float64:
-		return v.Float(), true
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		return float64(v.Uint()), true
-	case reflect.Bool:
-		if v.Bool() {
-			return 1, true
-		}
-		return 0, true
-	}
-	return 0, false
-}
-
-// numLess returns whether a < b.
-// a and b must necessarily have the same kind.
-func numLess(a, b reflect.Value) bool {
-	switch a.Kind() {
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		return a.Int() < b.Int()
-	case reflect.Float32, reflect.Float64:
-		return a.Float() < b.Float()
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		return a.Uint() < b.Uint()
-	case reflect.Bool:
-		return !a.Bool() && b.Bool()
-	}
-	panic("not a number")
-}

vendor/gopkg.in/yaml.v3/writerc.go

@@ -1,48 +0,0 @@
-// 
-// Copyright (c) 2011-2019 Canonical Ltd
-// Copyright (c) 2006-2010 Kirill Simonov
-// 
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-// of the Software, and to permit persons to whom the Software is furnished to do
-// so, subject to the following conditions:
-// 
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-// 
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-// SOFTWARE.
-
-package yaml
-
-// Set the writer error and return false.
-func yaml_emitter_set_writer_error(emitter *yaml_emitter_t, problem string) bool {
-	emitter.error = yaml_WRITER_ERROR
-	emitter.problem = problem
-	return false
-}
-
-// Flush the output buffer.
-func yaml_emitter_flush(emitter *yaml_emitter_t) bool {
-	if emitter.write_handler == nil {
-		panic("write handler not set")
-	}
-
-	// Check if the buffer is empty.
-	if emitter.buffer_pos == 0 {
-		return true
-	}
-
-	if err := emitter.write_handler(emitter, emitter.buffer[:emitter.buffer_pos]); err != nil {
-		return yaml_emitter_set_writer_error(emitter, "write error: "+err.Error())
-	}
-	emitter.buffer_pos = 0
-	return true
-}

vendor/gopkg.in/yaml.v3/yaml.go

@@ -1,693 +0,0 @@
-//
-// Copyright (c) 2011-2019 Canonical Ltd
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package yaml implements YAML support for the Go language.
-//
-// Source code and other details for the project are available at GitHub:
-//
-//   https://github.com/go-yaml/yaml
-//
-package yaml
-
-import (
-	"errors"
-	"fmt"
-	"io"
-	"reflect"
-	"strings"
-	"sync"
-	"unicode/utf8"
-)
-
-// The Unmarshaler interface may be implemented by types to customize their
-// behavior when being unmarshaled from a YAML document.
-type Unmarshaler interface {
-	UnmarshalYAML(value *Node) error
-}
-
-type obsoleteUnmarshaler interface {
-	UnmarshalYAML(unmarshal func(interface{}) error) error
-}
-
-// The Marshaler interface may be implemented by types to customize their
-// behavior when being marshaled into a YAML document. The returned value
-// is marshaled in place of the original value implementing Marshaler.
-//
-// If an error is returned by MarshalYAML, the marshaling procedure stops
-// and returns with the provided error.
-type Marshaler interface {
-	MarshalYAML() (interface{}, error)
-}
-
-// Unmarshal decodes the first document found within the in byte slice
-// and assigns decoded values into the out value.
-//
-// Maps and pointers (to a struct, string, int, etc) are accepted as out
-// values. If an internal pointer within a struct is not initialized,
-// the yaml package will initialize it if necessary for unmarshalling
-// the provided data. The out parameter must not be nil.
-//
-// The type of the decoded values should be compatible with the respective
-// values in out. If one or more values cannot be decoded due to a type
-// mismatches, decoding continues partially until the end of the YAML
-// content, and a *yaml.TypeError is returned with details for all
-// missed values.
-//
-// Struct fields are only unmarshalled if they are exported (have an
-// upper case first letter), and are unmarshalled using the field name
-// lowercased as the default key. Custom keys may be defined via the
-// "yaml" name in the field tag: the content preceding the first comma
-// is used as the key, and the following comma-separated options are
-// used to tweak the marshalling process (see Marshal).
-// Conflicting names result in a runtime error.
-//
-// For example:
-//
-//     type T struct {
-//         F int `yaml:"a,omitempty"`
-//         B int
-//     }
-//     var t T
-//     yaml.Unmarshal([]byte("a: 1\nb: 2"), &t)
-//
-// See the documentation of Marshal for the format of tags and a list of
-// supported tag options.
-//
-func Unmarshal(in []byte, out interface{}) (err error) {
-	return unmarshal(in, out, false)
-}
-
-// A Decoder reads and decodes YAML values from an input stream.
-type Decoder struct {
-	parser      *parser
-	knownFields bool
-}
-
-// NewDecoder returns a new decoder that reads from r.
-//
-// The decoder introduces its own buffering and may read
-// data from r beyond the YAML values requested.
-func NewDecoder(r io.Reader) *Decoder {
-	return &Decoder{
-		parser: newParserFromReader(r),
-	}
-}
-
-// KnownFields ensures that the keys in decoded mappings to
-// exist as fields in the struct being decoded into.
-func (dec *Decoder) KnownFields(enable bool) {
-	dec.knownFields = enable
-}
-
-// Decode reads the next YAML-encoded value from its input
-// and stores it in the value pointed to by v.
-//
-// See the documentation for Unmarshal for details about the
-// conversion of YAML into a Go value.
-func (dec *Decoder) Decode(v interface{}) (err error) {
-	d := newDecoder()
-	d.knownFields = dec.knownFields
-	defer handleErr(&err)
-	node := dec.parser.parse()
-	if node == nil {
-		return io.EOF
-	}
-	out := reflect.ValueOf(v)
-	if out.Kind() == reflect.Ptr && !out.IsNil() {
-		out = out.Elem()
-	}
-	d.unmarshal(node, out)
-	if len(d.terrors) > 0 {
-		return &TypeError{d.terrors}
-	}
-	return nil
-}
-
-// Decode decodes the node and stores its data into the value pointed to by v.
-//
-// See the documentation for Unmarshal for details about the
-// conversion of YAML into a Go value.
-func (n *Node) Decode(v interface{}) (err error) {
-	d := newDecoder()
-	defer handleErr(&err)
-	out := reflect.ValueOf(v)
-	if out.Kind() == reflect.Ptr && !out.IsNil() {
-		out = out.Elem()
-	}
-	d.unmarshal(n, out)
-	if len(d.terrors) > 0 {
-		return &TypeError{d.terrors}
-	}
-	return nil
-}
-
-func unmarshal(in []byte, out interface{}, strict bool) (err error) {
-	defer handleErr(&err)
-	d := newDecoder()
-	p := newParser(in)
-	defer p.destroy()
-	node := p.parse()
-	if node != nil {
-		v := reflect.ValueOf(out)
-		if v.Kind() == reflect.Ptr && !v.IsNil() {
-			v = v.Elem()
-		}
-		d.unmarshal(node, v)
-	}
-	if len(d.terrors) > 0 {
-		return &TypeError{d.terrors}
-	}
-	return nil
-}
-
-// Marshal serializes the value provided into a YAML document. The structure
-// of the generated document will reflect the structure of the value itself.
-// Maps and pointers (to struct, string, int, etc) are accepted as the in value.
-//
-// Struct fields are only marshalled if they are exported (have an upper case
-// first letter), and are marshalled using the field name lowercased as the
-// default key. Custom keys may be defined via the "yaml" name in the field
-// tag: the content preceding the first comma is used as the key, and the
-// following comma-separated options are used to tweak the marshalling process.
-// Conflicting names result in a runtime error.
-//
-// The field tag format accepted is:
-//
-//     `(...) yaml:"[<key>][,<flag1>[,<flag2>]]" (...)`
-//
-// The following flags are currently supported:
-//
-//     omitempty    Only include the field if it's not set to the zero
-//                  value for the type or to empty slices or maps.
-//                  Zero valued structs will be omitted if all their public
-//                  fields are zero, unless they implement an IsZero
-//                  method (see the IsZeroer interface type), in which
-//                  case the field will be excluded if IsZero returns true.
-//
-//     flow         Marshal using a flow style (useful for structs,
-//                  sequences and maps).
-//
-//     inline       Inline the field, which must be a struct or a map,
-//                  causing all of its fields or keys to be processed as if
-//                  they were part of the outer struct. For maps, keys must
-//                  not conflict with the yaml keys of other struct fields.
-//
-// In addition, if the key is "-", the field is ignored.
-//
-// For example:
-//
-//     type T struct {
-//         F int `yaml:"a,omitempty"`
-//         B int
-//     }
-//     yaml.Marshal(&T{B: 2}) // Returns "b: 2\n"
-//     yaml.Marshal(&T{F: 1}} // Returns "a: 1\nb: 0\n"
-//
-func Marshal(in interface{}) (out []byte, err error) {
-	defer handleErr(&err)
-	e := newEncoder()
-	defer e.destroy()
-	e.marshalDoc("", reflect.ValueOf(in))
-	e.finish()
-	out = e.out
-	return
-}
-
-// An Encoder writes YAML values to an output stream.
-type Encoder struct {
-	encoder *encoder
-}
-
-// NewEncoder returns a new encoder that writes to w.
-// The Encoder should be closed after use to flush all data
-// to w.
-func NewEncoder(w io.Writer) *Encoder {
-	return &Encoder{
-		encoder: newEncoderWithWriter(w),
-	}
-}
-
-// Encode writes the YAML encoding of v to the stream.
-// If multiple items are encoded to the stream, the
-// second and subsequent document will be preceded
-// with a "---" document separator, but the first will not.
-//
-// See the documentation for Marshal for details about the conversion of Go
-// values to YAML.
-func (e *Encoder) Encode(v interface{}) (err error) {
-	defer handleErr(&err)
-	e.encoder.marshalDoc("", reflect.ValueOf(v))
-	return nil
-}
-
-// Encode encodes value v and stores its representation in n.
-//
-// See the documentation for Marshal for details about the
-// conversion of Go values into YAML.
-func (n *Node) Encode(v interface{}) (err error) {
-	defer handleErr(&err)
-	e := newEncoder()
-	defer e.destroy()
-	e.marshalDoc("", reflect.ValueOf(v))
-	e.finish()
-	p := newParser(e.out)
-	p.textless = true
-	defer p.destroy()
-	doc := p.parse()
-	*n = *doc.Content[0]
-	return nil
-}
-
-// SetIndent changes the used indentation used when encoding.
-func (e *Encoder) SetIndent(spaces int) {
-	if spaces < 0 {
-		panic("yaml: cannot indent to a negative number of spaces")
-	}
-	e.encoder.indent = spaces
-}
-
-// Close closes the encoder by writing any remaining data.
-// It does not write a stream terminating string "...".
-func (e *Encoder) Close() (err error) {
-	defer handleErr(&err)
-	e.encoder.finish()
-	return nil
-}
-
-func handleErr(err *error) {
-	if v := recover(); v != nil {
-		if e, ok := v.(yamlError); ok {
-			*err = e.err
-		} else {
-			panic(v)
-		}
-	}
-}
-
-type yamlError struct {
-	err error
-}
-
-func fail(err error) {
-	panic(yamlError{err})
-}
-
-func failf(format string, args ...interface{}) {
-	panic(yamlError{fmt.Errorf("yaml: "+format, args...)})
-}
-
-// A TypeError is returned by Unmarshal when one or more fields in
-// the YAML document cannot be properly decoded into the requested
-// types. When this error is returned, the value is still
-// unmarshaled partially.
-type TypeError struct {
-	Errors []string
-}
-
-func (e *TypeError) Error() string {
-	return fmt.Sprintf("yaml: unmarshal errors:\n  %s", strings.Join(e.Errors, "\n  "))
-}
-
-type Kind uint32
-
-const (
-	DocumentNode Kind = 1 << iota
-	SequenceNode
-	MappingNode
-	ScalarNode
-	AliasNode
-)
-
-type Style uint32
-
-const (
-	TaggedStyle Style = 1 << iota
-	DoubleQuotedStyle
-	SingleQuotedStyle
-	LiteralStyle
-	FoldedStyle
-	FlowStyle
-)
-
-// Node represents an element in the YAML document hierarchy. While documents
-// are typically encoded and decoded into higher level types, such as structs
-// and maps, Node is an intermediate representation that allows detailed
-// control over the content being decoded or encoded.
-//
-// It's worth noting that although Node offers access into details such as
-// line numbers, colums, and comments, the content when re-encoded will not
-// have its original textual representation preserved. An effort is made to
-// render the data plesantly, and to preserve comments near the data they
-// describe, though.
-//
-// Values that make use of the Node type interact with the yaml package in the
-// same way any other type would do, by encoding and decoding yaml data
-// directly or indirectly into them.
-//
-// For example:
-//
-//     var person struct {
-//             Name    string
-//             Address yaml.Node
-//     }
-//     err := yaml.Unmarshal(data, &person)
-// 
-// Or by itself:
-//
-//     var person Node
-//     err := yaml.Unmarshal(data, &person)
-//
-type Node struct {
-	// Kind defines whether the node is a document, a mapping, a sequence,
-	// a scalar value, or an alias to another node. The specific data type of
-	// scalar nodes may be obtained via the ShortTag and LongTag methods.
-	Kind  Kind
-
-	// Style allows customizing the apperance of the node in the tree.
-	Style Style
-
-	// Tag holds the YAML tag defining the data type for the value.
-	// When decoding, this field will always be set to the resolved tag,
-	// even when it wasn't explicitly provided in the YAML content.
-	// When encoding, if this field is unset the value type will be
-	// implied from the node properties, and if it is set, it will only
-	// be serialized into the representation if TaggedStyle is used or
-	// the implicit tag diverges from the provided one.
-	Tag string
-
-	// Value holds the unescaped and unquoted represenation of the value.
-	Value string
-
-	// Anchor holds the anchor name for this node, which allows aliases to point to it.
-	Anchor string
-
-	// Alias holds the node that this alias points to. Only valid when Kind is AliasNode.
-	Alias *Node
-
-	// Content holds contained nodes for documents, mappings, and sequences.
-	Content []*Node
-
-	// HeadComment holds any comments in the lines preceding the node and
-	// not separated by an empty line.
-	HeadComment string
-
-	// LineComment holds any comments at the end of the line where the node is in.
-	LineComment string
-
-	// FootComment holds any comments following the node and before empty lines.
-	FootComment string
-
-	// Line and Column hold the node position in the decoded YAML text.
-	// These fields are not respected when encoding the node.
-	Line   int
-	Column int
-}
-
-// IsZero returns whether the node has all of its fields unset.
-func (n *Node) IsZero() bool {
-	return n.Kind == 0 && n.Style == 0 && n.Tag == "" && n.Value == "" && n.Anchor == "" && n.Alias == nil && n.Content == nil &&
-		n.HeadComment == "" && n.LineComment == "" && n.FootComment == "" && n.Line == 0 && n.Column == 0
-}
-
-
-// LongTag returns the long form of the tag that indicates the data type for
-// the node. If the Tag field isn't explicitly defined, one will be computed
-// based on the node properties.
-func (n *Node) LongTag() string {
-	return longTag(n.ShortTag())
-}
-
-// ShortTag returns the short form of the YAML tag that indicates data type for
-// the node. If the Tag field isn't explicitly defined, one will be computed
-// based on the node properties.
-func (n *Node) ShortTag() string {
-	if n.indicatedString() {
-		return strTag
-	}
-	if n.Tag == "" || n.Tag == "!" {
-		switch n.Kind {
-		case MappingNode:
-			return mapTag
-		case SequenceNode:
-			return seqTag
-		case AliasNode:
-			if n.Alias != nil {
-				return n.Alias.ShortTag()
-			}
-		case ScalarNode:
-			tag, _ := resolve("", n.Value)
-			return tag
-		}
-		return ""
-	}
-	return shortTag(n.Tag)
-}
-
-func (n *Node) indicatedString() bool {
-	return n.Kind == ScalarNode &&
-		(shortTag(n.Tag) == strTag ||
-			(n.Tag == "" || n.Tag == "!") && n.Style&(SingleQuotedStyle|DoubleQuotedStyle|LiteralStyle|FoldedStyle) != 0)
-}
-
-// SetString is a convenience function that sets the node to a string value
-// and defines its style in a pleasant way depending on its content.
-func (n *Node) SetString(s string) {
-	n.Kind = ScalarNode
-	if utf8.ValidString(s) {
-		n.Value = s
-		n.Tag = strTag
-	} else {
-		n.Value = encodeBase64(s)
-		n.Tag = binaryTag
-	}
-	if strings.Contains(n.Value, "\n") {
-		n.Style = LiteralStyle
-	}
-}
-
-// --------------------------------------------------------------------------
-// Maintain a mapping of keys to structure field indexes
-
-// The code in this section was copied from mgo/bson.
-
-// structInfo holds details for the serialization of fields of
-// a given struct.
-type structInfo struct {
-	FieldsMap  map[string]fieldInfo
-	FieldsList []fieldInfo
-
-	// InlineMap is the number of the field in the struct that
-	// contains an ,inline map, or -1 if there's none.
-	InlineMap int
-
-	// InlineUnmarshalers holds indexes to inlined fields that
-	// contain unmarshaler values.
-	InlineUnmarshalers [][]int
-}
-
-type fieldInfo struct {
-	Key       string
-	Num       int
-	OmitEmpty bool
-	Flow      bool
-	// Id holds the unique field identifier, so we can cheaply
-	// check for field duplicates without maintaining an extra map.
-	Id int
-
-	// Inline holds the field index if the field is part of an inlined struct.
-	Inline []int
-}
-
-var structMap = make(map[reflect.Type]*structInfo)
-var fieldMapMutex sync.RWMutex
-var unmarshalerType reflect.Type
-
-func init() {
-	var v Unmarshaler
-	unmarshalerType = reflect.ValueOf(&v).Elem().Type()
-}
-
-func getStructInfo(st reflect.Type) (*structInfo, error) {
-	fieldMapMutex.RLock()
-	sinfo, found := structMap[st]
-	fieldMapMutex.RUnlock()
-	if found {
-		return sinfo, nil
-	}
-
-	n := st.NumField()
-	fieldsMap := make(map[string]fieldInfo)
-	fieldsList := make([]fieldInfo, 0, n)
-	inlineMap := -1
-	inlineUnmarshalers := [][]int(nil)
-	for i := 0; i != n; i++ {
-		field := st.Field(i)
-		if field.PkgPath != "" && !field.Anonymous {
-			continue // Private field
-		}
-
-		info := fieldInfo{Num: i}
-
-		tag := field.Tag.Get("yaml")
-		if tag == "" && strings.Index(string(field.Tag), ":") < 0 {
-			tag = string(field.Tag)
-		}
-		if tag == "-" {
-			continue
-		}
-
-		inline := false
-		fields := strings.Split(tag, ",")
-		if len(fields) > 1 {
-			for _, flag := range fields[1:] {
-				switch flag {
-				case "omitempty":
-					info.OmitEmpty = true
-				case "flow":
-					info.Flow = true
-				case "inline":
-					inline = true
-				default:
-					return nil, errors.New(fmt.Sprintf("unsupported flag %q in tag %q of type %s", flag, tag, st))
-				}
-			}
-			tag = fields[0]
-		}
-
-		if inline {
-			switch field.Type.Kind() {
-			case reflect.Map:
-				if inlineMap >= 0 {
-					return nil, errors.New("multiple ,inline maps in struct " + st.String())
-				}
-				if field.Type.Key() != reflect.TypeOf("") {
-					return nil, errors.New("option ,inline needs a map with string keys in struct " + st.String())
-				}
-				inlineMap = info.Num
-			case reflect.Struct, reflect.Ptr:
-				ftype := field.Type
-				for ftype.Kind() == reflect.Ptr {
-					ftype = ftype.Elem()
-				}
-				if ftype.Kind() != reflect.Struct {
-					return nil, errors.New("option ,inline may only be used on a struct or map field")
-				}
-				if reflect.PtrTo(ftype).Implements(unmarshalerType) {
-					inlineUnmarshalers = append(inlineUnmarshalers, []int{i})
-				} else {
-					sinfo, err := getStructInfo(ftype)
-					if err != nil {
-						return nil, err
-					}
-					for _, index := range sinfo.InlineUnmarshalers {
-						inlineUnmarshalers = append(inlineUnmarshalers, append([]int{i}, index...))
-					}
-					for _, finfo := range sinfo.FieldsList {
-						if _, found := fieldsMap[finfo.Key]; found {
-							msg := "duplicated key '" + finfo.Key + "' in struct " + st.String()
-							return nil, errors.New(msg)
-						}
-						if finfo.Inline == nil {
-							finfo.Inline = []int{i, finfo.Num}
-						} else {
-							finfo.Inline = append([]int{i}, finfo.Inline...)
-						}
-						finfo.Id = len(fieldsList)
-						fieldsMap[finfo.Key] = finfo
-						fieldsList = append(fieldsList, finfo)
-					}
-				}
-			default:
-				return nil, errors.New("option ,inline may only be used on a struct or map field")
-			}
-			continue
-		}
-
-		if tag != "" {
-			info.Key = tag
-		} else {
-			info.Key = strings.ToLower(field.Name)
-		}
-
-		if _, found = fieldsMap[info.Key]; found {
-			msg := "duplicated key '" + info.Key + "' in struct " + st.String()
-			return nil, errors.New(msg)
-		}
-
-		info.Id = len(fieldsList)
-		fieldsList = append(fieldsList, info)
-		fieldsMap[info.Key] = info
-	}
-
-	sinfo = &structInfo{
-		FieldsMap:          fieldsMap,
-		FieldsList:         fieldsList,
-		InlineMap:          inlineMap,
-		InlineUnmarshalers: inlineUnmarshalers,
-	}
-
-	fieldMapMutex.Lock()
-	structMap[st] = sinfo
-	fieldMapMutex.Unlock()
-	return sinfo, nil
-}
-
-// IsZeroer is used to check whether an object is zero to
-// determine whether it should be omitted when marshaling
-// with the omitempty flag. One notable implementation
-// is time.Time.
-type IsZeroer interface {
-	IsZero() bool
-}
-
-func isZero(v reflect.Value) bool {
-	kind := v.Kind()
-	if z, ok := v.Interface().(IsZeroer); ok {
-		if (kind == reflect.Ptr || kind == reflect.Interface) && v.IsNil() {
-			return true
-		}
-		return z.IsZero()
-	}
-	switch kind {
-	case reflect.String:
-		return len(v.String()) == 0
-	case reflect.Interface, reflect.Ptr:
-		return v.IsNil()
-	case reflect.Slice:
-		return v.Len() == 0
-	case reflect.Map:
-		return v.Len() == 0
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		return v.Int() == 0
-	case reflect.Float32, reflect.Float64:
-		return v.Float() == 0
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		return v.Uint() == 0
-	case reflect.Bool:
-		return !v.Bool()
-	case reflect.Struct:
-		vt := v.Type()
-		for i := v.NumField() - 1; i >= 0; i-- {
-			if vt.Field(i).PkgPath != "" {
-				continue // Private field
-			}
-			if !isZero(v.Field(i)) {
-				return false
-			}
-		}
-		return true
-	}
-	return false
-}

vendor/gopkg.in/yaml.v3/yamlh.go

@@ -1,807 +0,0 @@
-//
-// Copyright (c) 2011-2019 Canonical Ltd
-// Copyright (c) 2006-2010 Kirill Simonov
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-// of the Software, and to permit persons to whom the Software is furnished to do
-// so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-// SOFTWARE.
-
-package yaml
-
-import (
-	"fmt"
-	"io"
-)
-
-// The version directive data.
-type yaml_version_directive_t struct {
-	major int8 // The major version number.
-	minor int8 // The minor version number.
-}
-
-// The tag directive data.
-type yaml_tag_directive_t struct {
-	handle []byte // The tag handle.
-	prefix []byte // The tag prefix.
-}
-
-type yaml_encoding_t int
-
-// The stream encoding.
-const (
-	// Let the parser choose the encoding.
-	yaml_ANY_ENCODING yaml_encoding_t = iota
-
-	yaml_UTF8_ENCODING    // The default UTF-8 encoding.
-	yaml_UTF16LE_ENCODING // The UTF-16-LE encoding with BOM.
-	yaml_UTF16BE_ENCODING // The UTF-16-BE encoding with BOM.
-)
-
-type yaml_break_t int
-
-// Line break types.
-const (
-	// Let the parser choose the break type.
-	yaml_ANY_BREAK yaml_break_t = iota
-
-	yaml_CR_BREAK   // Use CR for line breaks (Mac style).
-	yaml_LN_BREAK   // Use LN for line breaks (Unix style).
-	yaml_CRLN_BREAK // Use CR LN for line breaks (DOS style).
-)
-
-type yaml_error_type_t int
-
-// Many bad things could happen with the parser and emitter.
-const (
-	// No error is produced.
-	yaml_NO_ERROR yaml_error_type_t = iota
-
-	yaml_MEMORY_ERROR   // Cannot allocate or reallocate a block of memory.
-	yaml_READER_ERROR   // Cannot read or decode the input stream.
-	yaml_SCANNER_ERROR  // Cannot scan the input stream.
-	yaml_PARSER_ERROR   // Cannot parse the input stream.
-	yaml_COMPOSER_ERROR // Cannot compose a YAML document.
-	yaml_WRITER_ERROR   // Cannot write to the output stream.
-	yaml_EMITTER_ERROR  // Cannot emit a YAML stream.
-)
-
-// The pointer position.
-type yaml_mark_t struct {
-	index  int // The position index.
-	line   int // The position line.
-	column int // The position column.
-}
-
-// Node Styles
-
-type yaml_style_t int8
-
-type yaml_scalar_style_t yaml_style_t
-
-// Scalar styles.
-const (
-	// Let the emitter choose the style.
-	yaml_ANY_SCALAR_STYLE yaml_scalar_style_t = 0
-
-	yaml_PLAIN_SCALAR_STYLE         yaml_scalar_style_t = 1 << iota // The plain scalar style.
-	yaml_SINGLE_QUOTED_SCALAR_STYLE                                 // The single-quoted scalar style.
-	yaml_DOUBLE_QUOTED_SCALAR_STYLE                                 // The double-quoted scalar style.
-	yaml_LITERAL_SCALAR_STYLE                                       // The literal scalar style.
-	yaml_FOLDED_SCALAR_STYLE                                        // The folded scalar style.
-)
-
-type yaml_sequence_style_t yaml_style_t
-
-// Sequence styles.
-const (
-	// Let the emitter choose the style.
-	yaml_ANY_SEQUENCE_STYLE yaml_sequence_style_t = iota
-
-	yaml_BLOCK_SEQUENCE_STYLE // The block sequence style.
-	yaml_FLOW_SEQUENCE_STYLE  // The flow sequence style.
-)
-
-type yaml_mapping_style_t yaml_style_t
-
-// Mapping styles.
-const (
-	// Let the emitter choose the style.
-	yaml_ANY_MAPPING_STYLE yaml_mapping_style_t = iota
-
-	yaml_BLOCK_MAPPING_STYLE // The block mapping style.
-	yaml_FLOW_MAPPING_STYLE  // The flow mapping style.
-)
-
-// Tokens
-
-type yaml_token_type_t int
-
-// Token types.
-const (
-	// An empty token.
-	yaml_NO_TOKEN yaml_token_type_t = iota
-
-	yaml_STREAM_START_TOKEN // A STREAM-START token.
-	yaml_STREAM_END_TOKEN   // A STREAM-END token.
-
-	yaml_VERSION_DIRECTIVE_TOKEN // A VERSION-DIRECTIVE token.
-	yaml_TAG_DIRECTIVE_TOKEN     // A TAG-DIRECTIVE token.
-	yaml_DOCUMENT_START_TOKEN    // A DOCUMENT-START token.
-	yaml_DOCUMENT_END_TOKEN      // A DOCUMENT-END token.
-
-	yaml_BLOCK_SEQUENCE_START_TOKEN // A BLOCK-SEQUENCE-START token.
-	yaml_BLOCK_MAPPING_START_TOKEN  // A BLOCK-SEQUENCE-END token.
-	yaml_BLOCK_END_TOKEN            // A BLOCK-END token.
-
-	yaml_FLOW_SEQUENCE_START_TOKEN // A FLOW-SEQUENCE-START token.
-	yaml_FLOW_SEQUENCE_END_TOKEN   // A FLOW-SEQUENCE-END token.
-	yaml_FLOW_MAPPING_START_TOKEN  // A FLOW-MAPPING-START token.
-	yaml_FLOW_MAPPING_END_TOKEN    // A FLOW-MAPPING-END token.
-
-	yaml_BLOCK_ENTRY_TOKEN // A BLOCK-ENTRY token.
-	yaml_FLOW_ENTRY_TOKEN  // A FLOW-ENTRY token.
-	yaml_KEY_TOKEN         // A KEY token.
-	yaml_VALUE_TOKEN       // A VALUE token.
-
-	yaml_ALIAS_TOKEN  // An ALIAS token.
-	yaml_ANCHOR_TOKEN // An ANCHOR token.
-	yaml_TAG_TOKEN    // A TAG token.
-	yaml_SCALAR_TOKEN // A SCALAR token.
-)
-
-func (tt yaml_token_type_t) String() string {
-	switch tt {
-	case yaml_NO_TOKEN:
-		return "yaml_NO_TOKEN"
-	case yaml_STREAM_START_TOKEN:
-		return "yaml_STREAM_START_TOKEN"
-	case yaml_STREAM_END_TOKEN:
-		return "yaml_STREAM_END_TOKEN"
-	case yaml_VERSION_DIRECTIVE_TOKEN:
-		return "yaml_VERSION_DIRECTIVE_TOKEN"
-	case yaml_TAG_DIRECTIVE_TOKEN:
-		return "yaml_TAG_DIRECTIVE_TOKEN"
-	case yaml_DOCUMENT_START_TOKEN:
-		return "yaml_DOCUMENT_START_TOKEN"
-	case yaml_DOCUMENT_END_TOKEN:
-		return "yaml_DOCUMENT_END_TOKEN"
-	case yaml_BLOCK_SEQUENCE_START_TOKEN:
-		return "yaml_BLOCK_SEQUENCE_START_TOKEN"
-	case yaml_BLOCK_MAPPING_START_TOKEN:
-		return "yaml_BLOCK_MAPPING_START_TOKEN"
-	case yaml_BLOCK_END_TOKEN:
-		return "yaml_BLOCK_END_TOKEN"
-	case yaml_FLOW_SEQUENCE_START_TOKEN:
-		return "yaml_FLOW_SEQUENCE_START_TOKEN"
-	case yaml_FLOW_SEQUENCE_END_TOKEN:
-		return "yaml_FLOW_SEQUENCE_END_TOKEN"
-	case yaml_FLOW_MAPPING_START_TOKEN:
-		return "yaml_FLOW_MAPPING_START_TOKEN"
-	case yaml_FLOW_MAPPING_END_TOKEN:
-		return "yaml_FLOW_MAPPING_END_TOKEN"
-	case yaml_BLOCK_ENTRY_TOKEN:
-		return "yaml_BLOCK_ENTRY_TOKEN"
-	case yaml_FLOW_ENTRY_TOKEN:
-		return "yaml_FLOW_ENTRY_TOKEN"
-	case yaml_KEY_TOKEN:
-		return "yaml_KEY_TOKEN"
-	case yaml_VALUE_TOKEN:
-		return "yaml_VALUE_TOKEN"
-	case yaml_ALIAS_TOKEN:
-		return "yaml_ALIAS_TOKEN"
-	case yaml_ANCHOR_TOKEN:
-		return "yaml_ANCHOR_TOKEN"
-	case yaml_TAG_TOKEN:
-		return "yaml_TAG_TOKEN"
-	case yaml_SCALAR_TOKEN:
-		return "yaml_SCALAR_TOKEN"
-	}
-	return "<unknown token>"
-}
-
-// The token structure.
-type yaml_token_t struct {
-	// The token type.
-	typ yaml_token_type_t
-
-	// The start/end of the token.
-	start_mark, end_mark yaml_mark_t
-
-	// The stream encoding (for yaml_STREAM_START_TOKEN).
-	encoding yaml_encoding_t
-
-	// The alias/anchor/scalar value or tag/tag directive handle
-	// (for yaml_ALIAS_TOKEN, yaml_ANCHOR_TOKEN, yaml_SCALAR_TOKEN, yaml_TAG_TOKEN, yaml_TAG_DIRECTIVE_TOKEN).
-	value []byte
-
-	// The tag suffix (for yaml_TAG_TOKEN).
-	suffix []byte
-
-	// The tag directive prefix (for yaml_TAG_DIRECTIVE_TOKEN).
-	prefix []byte
-
-	// The scalar style (for yaml_SCALAR_TOKEN).
-	style yaml_scalar_style_t
-
-	// The version directive major/minor (for yaml_VERSION_DIRECTIVE_TOKEN).
-	major, minor int8
-}
-
-// Events
-
-type yaml_event_type_t int8
-
-// Event types.
-const (
-	// An empty event.
-	yaml_NO_EVENT yaml_event_type_t = iota
-
-	yaml_STREAM_START_EVENT   // A STREAM-START event.
-	yaml_STREAM_END_EVENT     // A STREAM-END event.
-	yaml_DOCUMENT_START_EVENT // A DOCUMENT-START event.
-	yaml_DOCUMENT_END_EVENT   // A DOCUMENT-END event.
-	yaml_ALIAS_EVENT          // An ALIAS event.
-	yaml_SCALAR_EVENT         // A SCALAR event.
-	yaml_SEQUENCE_START_EVENT // A SEQUENCE-START event.
-	yaml_SEQUENCE_END_EVENT   // A SEQUENCE-END event.
-	yaml_MAPPING_START_EVENT  // A MAPPING-START event.
-	yaml_MAPPING_END_EVENT    // A MAPPING-END event.
-	yaml_TAIL_COMMENT_EVENT
-)
-
-var eventStrings = []string{
-	yaml_NO_EVENT:             "none",
-	yaml_STREAM_START_EVENT:   "stream start",
-	yaml_STREAM_END_EVENT:     "stream end",
-	yaml_DOCUMENT_START_EVENT: "document start",
-	yaml_DOCUMENT_END_EVENT:   "document end",
-	yaml_ALIAS_EVENT:          "alias",
-	yaml_SCALAR_EVENT:         "scalar",
-	yaml_SEQUENCE_START_EVENT: "sequence start",
-	yaml_SEQUENCE_END_EVENT:   "sequence end",
-	yaml_MAPPING_START_EVENT:  "mapping start",
-	yaml_MAPPING_END_EVENT:    "mapping end",
-	yaml_TAIL_COMMENT_EVENT:   "tail comment",
-}
-
-func (e yaml_event_type_t) String() string {
-	if e < 0 || int(e) >= len(eventStrings) {
-		return fmt.Sprintf("unknown event %d", e)
-	}
-	return eventStrings[e]
-}
-
-// The event structure.
-type yaml_event_t struct {
-
-	// The event type.
-	typ yaml_event_type_t
-
-	// The start and end of the event.
-	start_mark, end_mark yaml_mark_t
-
-	// The document encoding (for yaml_STREAM_START_EVENT).
-	encoding yaml_encoding_t
-
-	// The version directive (for yaml_DOCUMENT_START_EVENT).
-	version_directive *yaml_version_directive_t
-
-	// The list of tag directives (for yaml_DOCUMENT_START_EVENT).
-	tag_directives []yaml_tag_directive_t
-
-	// The comments
-	head_comment []byte
-	line_comment []byte
-	foot_comment []byte
-	tail_comment []byte
-
-	// The anchor (for yaml_SCALAR_EVENT, yaml_SEQUENCE_START_EVENT, yaml_MAPPING_START_EVENT, yaml_ALIAS_EVENT).
-	anchor []byte
-
-	// The tag (for yaml_SCALAR_EVENT, yaml_SEQUENCE_START_EVENT, yaml_MAPPING_START_EVENT).
-	tag []byte
-
-	// The scalar value (for yaml_SCALAR_EVENT).
-	value []byte
-
-	// Is the document start/end indicator implicit, or the tag optional?
-	// (for yaml_DOCUMENT_START_EVENT, yaml_DOCUMENT_END_EVENT, yaml_SEQUENCE_START_EVENT, yaml_MAPPING_START_EVENT, yaml_SCALAR_EVENT).
-	implicit bool
-
-	// Is the tag optional for any non-plain style? (for yaml_SCALAR_EVENT).
-	quoted_implicit bool
-
-	// The style (for yaml_SCALAR_EVENT, yaml_SEQUENCE_START_EVENT, yaml_MAPPING_START_EVENT).
-	style yaml_style_t
-}
-
-func (e *yaml_event_t) scalar_style() yaml_scalar_style_t     { return yaml_scalar_style_t(e.style) }
-func (e *yaml_event_t) sequence_style() yaml_sequence_style_t { return yaml_sequence_style_t(e.style) }
-func (e *yaml_event_t) mapping_style() yaml_mapping_style_t   { return yaml_mapping_style_t(e.style) }
-
-// Nodes
-
-const (
-	yaml_NULL_TAG      = "tag:yaml.org,2002:null"      // The tag !!null with the only possible value: null.
-	yaml_BOOL_TAG      = "tag:yaml.org,2002:bool"      // The tag !!bool with the values: true and false.
-	yaml_STR_TAG       = "tag:yaml.org,2002:str"       // The tag !!str for string values.
-	yaml_INT_TAG       = "tag:yaml.org,2002:int"       // The tag !!int for integer values.
-	yaml_FLOAT_TAG     = "tag:yaml.org,2002:float"     // The tag !!float for float values.
-	yaml_TIMESTAMP_TAG = "tag:yaml.org,2002:timestamp" // The tag !!timestamp for date and time values.
-
-	yaml_SEQ_TAG = "tag:yaml.org,2002:seq" // The tag !!seq is used to denote sequences.
-	yaml_MAP_TAG = "tag:yaml.org,2002:map" // The tag !!map is used to denote mapping.
-
-	// Not in original libyaml.
-	yaml_BINARY_TAG = "tag:yaml.org,2002:binary"
-	yaml_MERGE_TAG  = "tag:yaml.org,2002:merge"
-
-	yaml_DEFAULT_SCALAR_TAG   = yaml_STR_TAG // The default scalar tag is !!str.
-	yaml_DEFAULT_SEQUENCE_TAG = yaml_SEQ_TAG // The default sequence tag is !!seq.
-	yaml_DEFAULT_MAPPING_TAG  = yaml_MAP_TAG // The default mapping tag is !!map.
-)
-
-type yaml_node_type_t int
-
-// Node types.
-const (
-	// An empty node.
-	yaml_NO_NODE yaml_node_type_t = iota
-
-	yaml_SCALAR_NODE   // A scalar node.
-	yaml_SEQUENCE_NODE // A sequence node.
-	yaml_MAPPING_NODE  // A mapping node.
-)
-
-// An element of a sequence node.
-type yaml_node_item_t int
-
-// An element of a mapping node.
-type yaml_node_pair_t struct {
-	key   int // The key of the element.
-	value int // The value of the element.
-}
-
-// The node structure.
-type yaml_node_t struct {
-	typ yaml_node_type_t // The node type.
-	tag []byte           // The node tag.
-
-	// The node data.
-
-	// The scalar parameters (for yaml_SCALAR_NODE).
-	scalar struct {
-		value  []byte              // The scalar value.
-		length int                 // The length of the scalar value.
-		style  yaml_scalar_style_t // The scalar style.
-	}
-
-	// The sequence parameters (for YAML_SEQUENCE_NODE).
-	sequence struct {
-		items_data []yaml_node_item_t    // The stack of sequence items.
-		style      yaml_sequence_style_t // The sequence style.
-	}
-
-	// The mapping parameters (for yaml_MAPPING_NODE).
-	mapping struct {
-		pairs_data  []yaml_node_pair_t   // The stack of mapping pairs (key, value).
-		pairs_start *yaml_node_pair_t    // The beginning of the stack.
-		pairs_end   *yaml_node_pair_t    // The end of the stack.
-		pairs_top   *yaml_node_pair_t    // The top of the stack.
-		style       yaml_mapping_style_t // The mapping style.
-	}
-
-	start_mark yaml_mark_t // The beginning of the node.
-	end_mark   yaml_mark_t // The end of the node.
-
-}
-
-// The document structure.
-type yaml_document_t struct {
-
-	// The document nodes.
-	nodes []yaml_node_t
-
-	// The version directive.
-	version_directive *yaml_version_directive_t
-
-	// The list of tag directives.
-	tag_directives_data  []yaml_tag_directive_t
-	tag_directives_start int // The beginning of the tag directives list.
-	tag_directives_end   int // The end of the tag directives list.
-
-	start_implicit int // Is the document start indicator implicit?
-	end_implicit   int // Is the document end indicator implicit?
-
-	// The start/end of the document.
-	start_mark, end_mark yaml_mark_t
-}
-
-// The prototype of a read handler.
-//
-// The read handler is called when the parser needs to read more bytes from the
-// source. The handler should write not more than size bytes to the buffer.
-// The number of written bytes should be set to the size_read variable.
-//
-// [in,out]   data        A pointer to an application data specified by
-//                        yaml_parser_set_input().
-// [out]      buffer      The buffer to write the data from the source.
-// [in]       size        The size of the buffer.
-// [out]      size_read   The actual number of bytes read from the source.
-//
-// On success, the handler should return 1.  If the handler failed,
-// the returned value should be 0. On EOF, the handler should set the
-// size_read to 0 and return 1.
-type yaml_read_handler_t func(parser *yaml_parser_t, buffer []byte) (n int, err error)
-
-// This structure holds information about a potential simple key.
-type yaml_simple_key_t struct {
-	possible     bool        // Is a simple key possible?
-	required     bool        // Is a simple key required?
-	token_number int         // The number of the token.
-	mark         yaml_mark_t // The position mark.
-}
-
-// The states of the parser.
-type yaml_parser_state_t int
-
-const (
-	yaml_PARSE_STREAM_START_STATE yaml_parser_state_t = iota
-
-	yaml_PARSE_IMPLICIT_DOCUMENT_START_STATE           // Expect the beginning of an implicit document.
-	yaml_PARSE_DOCUMENT_START_STATE                    // Expect DOCUMENT-START.
-	yaml_PARSE_DOCUMENT_CONTENT_STATE                  // Expect the content of a document.
-	yaml_PARSE_DOCUMENT_END_STATE                      // Expect DOCUMENT-END.
-	yaml_PARSE_BLOCK_NODE_STATE                        // Expect a block node.
-	yaml_PARSE_BLOCK_NODE_OR_INDENTLESS_SEQUENCE_STATE // Expect a block node or indentless sequence.
-	yaml_PARSE_FLOW_NODE_STATE                         // Expect a flow node.
-	yaml_PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE        // Expect the first entry of a block sequence.
-	yaml_PARSE_BLOCK_SEQUENCE_ENTRY_STATE              // Expect an entry of a block sequence.
-	yaml_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE         // Expect an entry of an indentless sequence.
-	yaml_PARSE_BLOCK_MAPPING_FIRST_KEY_STATE           // Expect the first key of a block mapping.
-	yaml_PARSE_BLOCK_MAPPING_KEY_STATE                 // Expect a block mapping key.
-	yaml_PARSE_BLOCK_MAPPING_VALUE_STATE               // Expect a block mapping value.
-	yaml_PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE         // Expect the first entry of a flow sequence.
-	yaml_PARSE_FLOW_SEQUENCE_ENTRY_STATE               // Expect an entry of a flow sequence.
-	yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE   // Expect a key of an ordered mapping.
-	yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE // Expect a value of an ordered mapping.
-	yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE   // Expect the and of an ordered mapping entry.
-	yaml_PARSE_FLOW_MAPPING_FIRST_KEY_STATE            // Expect the first key of a flow mapping.
-	yaml_PARSE_FLOW_MAPPING_KEY_STATE                  // Expect a key of a flow mapping.
-	yaml_PARSE_FLOW_MAPPING_VALUE_STATE                // Expect a value of a flow mapping.
-	yaml_PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE          // Expect an empty value of a flow mapping.
-	yaml_PARSE_END_STATE                               // Expect nothing.
-)
-
-func (ps yaml_parser_state_t) String() string {
-	switch ps {
-	case yaml_PARSE_STREAM_START_STATE:
-		return "yaml_PARSE_STREAM_START_STATE"
-	case yaml_PARSE_IMPLICIT_DOCUMENT_START_STATE:
-		return "yaml_PARSE_IMPLICIT_DOCUMENT_START_STATE"
-	case yaml_PARSE_DOCUMENT_START_STATE:
-		return "yaml_PARSE_DOCUMENT_START_STATE"
-	case yaml_PARSE_DOCUMENT_CONTENT_STATE:
-		return "yaml_PARSE_DOCUMENT_CONTENT_STATE"
-	case yaml_PARSE_DOCUMENT_END_STATE:
-		return "yaml_PARSE_DOCUMENT_END_STATE"
-	case yaml_PARSE_BLOCK_NODE_STATE:
-		return "yaml_PARSE_BLOCK_NODE_STATE"
-	case yaml_PARSE_BLOCK_NODE_OR_INDENTLESS_SEQUENCE_STATE:
-		return "yaml_PARSE_BLOCK_NODE_OR_INDENTLESS_SEQUENCE_STATE"
-	case yaml_PARSE_FLOW_NODE_STATE:
-		return "yaml_PARSE_FLOW_NODE_STATE"
-	case yaml_PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE:
-		return "yaml_PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE"
-	case yaml_PARSE_BLOCK_SEQUENCE_ENTRY_STATE:
-		return "yaml_PARSE_BLOCK_SEQUENCE_ENTRY_STATE"
-	case yaml_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE:
-		return "yaml_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE"
-	case yaml_PARSE_BLOCK_MAPPING_FIRST_KEY_STATE:
-		return "yaml_PARSE_BLOCK_MAPPING_FIRST_KEY_STATE"
-	case yaml_PARSE_BLOCK_MAPPING_KEY_STATE:
-		return "yaml_PARSE_BLOCK_MAPPING_KEY_STATE"
-	case yaml_PARSE_BLOCK_MAPPING_VALUE_STATE:
-		return "yaml_PARSE_BLOCK_MAPPING_VALUE_STATE"
-	case yaml_PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE:
-		return "yaml_PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE"
-	case yaml_PARSE_FLOW_SEQUENCE_ENTRY_STATE:
-		return "yaml_PARSE_FLOW_SEQUENCE_ENTRY_STATE"
-	case yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE:
-		return "yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE"
-	case yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE:
-		return "yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE"
-	case yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE:
-		return "yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE"
-	case yaml_PARSE_FLOW_MAPPING_FIRST_KEY_STATE:
-		return "yaml_PARSE_FLOW_MAPPING_FIRST_KEY_STATE"
-	case yaml_PARSE_FLOW_MAPPING_KEY_STATE:
-		return "yaml_PARSE_FLOW_MAPPING_KEY_STATE"
-	case yaml_PARSE_FLOW_MAPPING_VALUE_STATE:
-		return "yaml_PARSE_FLOW_MAPPING_VALUE_STATE"
-	case yaml_PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE:
-		return "yaml_PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE"
-	case yaml_PARSE_END_STATE:
-		return "yaml_PARSE_END_STATE"
-	}
-	return "<unknown parser state>"
-}
-
-// This structure holds aliases data.
-type yaml_alias_data_t struct {
-	anchor []byte      // The anchor.
-	index  int         // The node id.
-	mark   yaml_mark_t // The anchor mark.
-}
-
-// The parser structure.
-//
-// All members are internal. Manage the structure using the
-// yaml_parser_ family of functions.
-type yaml_parser_t struct {
-
-	// Error handling
-
-	error yaml_error_type_t // Error type.
-
-	problem string // Error description.
-
-	// The byte about which the problem occurred.
-	problem_offset int
-	problem_value  int
-	problem_mark   yaml_mark_t
-
-	// The error context.
-	context      string
-	context_mark yaml_mark_t
-
-	// Reader stuff
-
-	read_handler yaml_read_handler_t // Read handler.
-
-	input_reader io.Reader // File input data.
-	input        []byte    // String input data.
-	input_pos    int
-
-	eof bool // EOF flag
-
-	buffer     []byte // The working buffer.
-	buffer_pos int    // The current position of the buffer.
-
-	unread int // The number of unread characters in the buffer.
-
-	newlines int // The number of line breaks since last non-break/non-blank character
-
-	raw_buffer     []byte // The raw buffer.
-	raw_buffer_pos int    // The current position of the buffer.
-
-	encoding yaml_encoding_t // The input encoding.
-
-	offset int         // The offset of the current position (in bytes).
-	mark   yaml_mark_t // The mark of the current position.
-
-	// Comments
-
-	head_comment []byte // The current head comments
-	line_comment []byte // The current line comments
-	foot_comment []byte // The current foot comments
-	tail_comment []byte // Foot comment that happens at the end of a block.
-	stem_comment []byte // Comment in item preceding a nested structure (list inside list item, etc)
-
-	comments      []yaml_comment_t // The folded comments for all parsed tokens
-	comments_head int
-
-	// Scanner stuff
-
-	stream_start_produced bool // Have we started to scan the input stream?
-	stream_end_produced   bool // Have we reached the end of the input stream?
-
-	flow_level int // The number of unclosed '[' and '{' indicators.
-
-	tokens          []yaml_token_t // The tokens queue.
-	tokens_head     int            // The head of the tokens queue.
-	tokens_parsed   int            // The number of tokens fetched from the queue.
-	token_available bool           // Does the tokens queue contain a token ready for dequeueing.
-
-	indent  int   // The current indentation level.
-	indents []int // The indentation levels stack.
-
-	simple_key_allowed bool                // May a simple key occur at the current position?
-	simple_keys        []yaml_simple_key_t // The stack of simple keys.
-	simple_keys_by_tok map[int]int         // possible simple_key indexes indexed by token_number
-
-	// Parser stuff
-
-	state          yaml_parser_state_t    // The current parser state.
-	states         []yaml_parser_state_t  // The parser states stack.
-	marks          []yaml_mark_t          // The stack of marks.
-	tag_directives []yaml_tag_directive_t // The list of TAG directives.
-
-	// Dumper stuff
-
-	aliases []yaml_alias_data_t // The alias data.
-
-	document *yaml_document_t // The currently parsed document.
-}
-
-type yaml_comment_t struct {
-
-	scan_mark  yaml_mark_t // Position where scanning for comments started
-	token_mark yaml_mark_t // Position after which tokens will be associated with this comment
-	start_mark yaml_mark_t // Position of '#' comment mark
-	end_mark   yaml_mark_t // Position where comment terminated
-
-	head []byte
-	line []byte
-	foot []byte
-}
-
-// Emitter Definitions
-
-// The prototype of a write handler.
-//
-// The write handler is called when the emitter needs to flush the accumulated
-// characters to the output.  The handler should write @a size bytes of the
-// @a buffer to the output.
-//
-// @param[in,out]   data        A pointer to an application data specified by
-//                              yaml_emitter_set_output().
-// @param[in]       buffer      The buffer with bytes to be written.
-// @param[in]       size        The size of the buffer.
-//
-// @returns On success, the handler should return @c 1.  If the handler failed,
-// the returned value should be @c 0.
-//
-type yaml_write_handler_t func(emitter *yaml_emitter_t, buffer []byte) error
-
-type yaml_emitter_state_t int
-
-// The emitter states.
-const (
-	// Expect STREAM-START.
-	yaml_EMIT_STREAM_START_STATE yaml_emitter_state_t = iota
-
-	yaml_EMIT_FIRST_DOCUMENT_START_STATE       // Expect the first DOCUMENT-START or STREAM-END.
-	yaml_EMIT_DOCUMENT_START_STATE             // Expect DOCUMENT-START or STREAM-END.
-	yaml_EMIT_DOCUMENT_CONTENT_STATE           // Expect the content of a document.
-	yaml_EMIT_DOCUMENT_END_STATE               // Expect DOCUMENT-END.
-	yaml_EMIT_FLOW_SEQUENCE_FIRST_ITEM_STATE   // Expect the first item of a flow sequence.
-	yaml_EMIT_FLOW_SEQUENCE_TRAIL_ITEM_STATE   // Expect the next item of a flow sequence, with the comma already written out
-	yaml_EMIT_FLOW_SEQUENCE_ITEM_STATE         // Expect an item of a flow sequence.
-	yaml_EMIT_FLOW_MAPPING_FIRST_KEY_STATE     // Expect the first key of a flow mapping.
-	yaml_EMIT_FLOW_MAPPING_TRAIL_KEY_STATE     // Expect the next key of a flow mapping, with the comma already written out
-	yaml_EMIT_FLOW_MAPPING_KEY_STATE           // Expect a key of a flow mapping.
-	yaml_EMIT_FLOW_MAPPING_SIMPLE_VALUE_STATE  // Expect a value for a simple key of a flow mapping.
-	yaml_EMIT_FLOW_MAPPING_VALUE_STATE         // Expect a value of a flow mapping.
-	yaml_EMIT_BLOCK_SEQUENCE_FIRST_ITEM_STATE  // Expect the first item of a block sequence.
-	yaml_EMIT_BLOCK_SEQUENCE_ITEM_STATE        // Expect an item of a block sequence.
-	yaml_EMIT_BLOCK_MAPPING_FIRST_KEY_STATE    // Expect the first key of a block mapping.
-	yaml_EMIT_BLOCK_MAPPING_KEY_STATE          // Expect the key of a block mapping.
-	yaml_EMIT_BLOCK_MAPPING_SIMPLE_VALUE_STATE // Expect a value for a simple key of a block mapping.
-	yaml_EMIT_BLOCK_MAPPING_VALUE_STATE        // Expect a value of a block mapping.
-	yaml_EMIT_END_STATE                        // Expect nothing.
-)
-
-// The emitter structure.
-//
-// All members are internal.  Manage the structure using the @c yaml_emitter_
-// family of functions.
-type yaml_emitter_t struct {
-
-	// Error handling
-
-	error   yaml_error_type_t // Error type.
-	problem string            // Error description.
-
-	// Writer stuff
-
-	write_handler yaml_write_handler_t // Write handler.
-
-	output_buffer *[]byte   // String output data.
-	output_writer io.Writer // File output data.
-
-	buffer     []byte // The working buffer.
-	buffer_pos int    // The current position of the buffer.
-
-	raw_buffer     []byte // The raw buffer.
-	raw_buffer_pos int    // The current position of the buffer.
-
-	encoding yaml_encoding_t // The stream encoding.
-
-	// Emitter stuff
-
-	canonical   bool         // If the output is in the canonical style?
-	best_indent int          // The number of indentation spaces.
-	best_width  int          // The preferred width of the output lines.
-	unicode     bool         // Allow unescaped non-ASCII characters?
-	line_break  yaml_break_t // The preferred line break.
-
-	state  yaml_emitter_state_t   // The current emitter state.
-	states []yaml_emitter_state_t // The stack of states.
-
-	events      []yaml_event_t // The event queue.
-	events_head int            // The head of the event queue.
-
-	indents []int // The stack of indentation levels.
-
-	tag_directives []yaml_tag_directive_t // The list of tag directives.
-
-	indent int // The current indentation level.
-
-	flow_level int // The current flow level.
-
-	root_context       bool // Is it the document root context?
-	sequence_context   bool // Is it a sequence context?
-	mapping_context    bool // Is it a mapping context?
-	simple_key_context bool // Is it a simple mapping key context?
-
-	line       int  // The current line.
-	column     int  // The current column.
-	whitespace bool // If the last character was a whitespace?
-	indention  bool // If the last character was an indentation character (' ', '-', '?', ':')?
-	open_ended bool // If an explicit document end is required?
-
-	space_above bool // Is there's an empty line above?
-	foot_indent int  // The indent used to write the foot comment above, or -1 if none.
-
-	// Anchor analysis.
-	anchor_data struct {
-		anchor []byte // The anchor value.
-		alias  bool   // Is it an alias?
-	}
-
-	// Tag analysis.
-	tag_data struct {
-		handle []byte // The tag handle.
-		suffix []byte // The tag suffix.
-	}
-
-	// Scalar analysis.
-	scalar_data struct {
-		value                 []byte              // The scalar value.
-		multiline             bool                // Does the scalar contain line breaks?
-		flow_plain_allowed    bool                // Can the scalar be expessed in the flow plain style?
-		block_plain_allowed   bool                // Can the scalar be expressed in the block plain style?
-		single_quoted_allowed bool                // Can the scalar be expressed in the single quoted style?
-		block_allowed         bool                // Can the scalar be expressed in the literal or folded styles?
-		style                 yaml_scalar_style_t // The output style.
-	}
-
-	// Comments
-	head_comment []byte
-	line_comment []byte
-	foot_comment []byte
-	tail_comment []byte
-
-	key_line_comment []byte
-
-	// Dumper stuff
-
-	opened bool // If the stream was already opened?
-	closed bool // If the stream was already closed?
-
-	// The information associated with the document nodes.
-	anchors *struct {
-		references int  // The number of references.
-		anchor     int  // The anchor id.
-		serialized bool // If the node has been emitted?
-	}
-
-	last_anchor_id int // The last assigned anchor id.
-
-	document *yaml_document_t // The currently emitted document.
-}

vendor/gopkg.in/yaml.v3/yamlprivateh.go

@@ -1,198 +0,0 @@
-// 
-// Copyright (c) 2011-2019 Canonical Ltd
-// Copyright (c) 2006-2010 Kirill Simonov
-// 
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-// of the Software, and to permit persons to whom the Software is furnished to do
-// so, subject to the following conditions:
-// 
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-// 
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-// SOFTWARE.
-
-package yaml
-
-const (
-	// The size of the input raw buffer.
-	input_raw_buffer_size = 512
-
-	// The size of the input buffer.
-	// It should be possible to decode the whole raw buffer.
-	input_buffer_size = input_raw_buffer_size * 3
-
-	// The size of the output buffer.
-	output_buffer_size = 128
-
-	// The size of the output raw buffer.
-	// It should be possible to encode the whole output buffer.
-	output_raw_buffer_size = (output_buffer_size*2 + 2)
-
-	// The size of other stacks and queues.
-	initial_stack_size  = 16
-	initial_queue_size  = 16
-	initial_string_size = 16
-)
-
-// Check if the character at the specified position is an alphabetical
-// character, a digit, '_', or '-'.
-func is_alpha(b []byte, i int) bool {
-	return b[i] >= '0' && b[i] <= '9' || b[i] >= 'A' && b[i] <= 'Z' || b[i] >= 'a' && b[i] <= 'z' || b[i] == '_' || b[i] == '-'
-}
-
-// Check if the character at the specified position is a digit.
-func is_digit(b []byte, i int) bool {
-	return b[i] >= '0' && b[i] <= '9'
-}
-
-// Get the value of a digit.
-func as_digit(b []byte, i int) int {
-	return int(b[i]) - '0'
-}
-
-// Check if the character at the specified position is a hex-digit.
-func is_hex(b []byte, i int) bool {
-	return b[i] >= '0' && b[i] <= '9' || b[i] >= 'A' && b[i] <= 'F' || b[i] >= 'a' && b[i] <= 'f'
-}
-
-// Get the value of a hex-digit.
-func as_hex(b []byte, i int) int {
-	bi := b[i]
-	if bi >= 'A' && bi <= 'F' {
-		return int(bi) - 'A' + 10
-	}
-	if bi >= 'a' && bi <= 'f' {
-		return int(bi) - 'a' + 10
-	}
-	return int(bi) - '0'
-}
-
-// Check if the character is ASCII.
-func is_ascii(b []byte, i int) bool {
-	return b[i] <= 0x7F
-}
-
-// Check if the character at the start of the buffer can be printed unescaped.
-func is_printable(b []byte, i int) bool {
-	return ((b[i] == 0x0A) || // . == #x0A
-		(b[i] >= 0x20 && b[i] <= 0x7E) || // #x20 <= . <= #x7E
-		(b[i] == 0xC2 && b[i+1] >= 0xA0) || // #0xA0 <= . <= #xD7FF
-		(b[i] > 0xC2 && b[i] < 0xED) ||
-		(b[i] == 0xED && b[i+1] < 0xA0) ||
-		(b[i] == 0xEE) ||
-		(b[i] == 0xEF && // #xE000 <= . <= #xFFFD
-			!(b[i+1] == 0xBB && b[i+2] == 0xBF) && // && . != #xFEFF
-			!(b[i+1] == 0xBF && (b[i+2] == 0xBE || b[i+2] == 0xBF))))
-}
-
-// Check if the character at the specified position is NUL.
-func is_z(b []byte, i int) bool {
-	return b[i] == 0x00
-}
-
-// Check if the beginning of the buffer is a BOM.
-func is_bom(b []byte, i int) bool {
-	return b[0] == 0xEF && b[1] == 0xBB && b[2] == 0xBF
-}
-
-// Check if the character at the specified position is space.
-func is_space(b []byte, i int) bool {
-	return b[i] == ' '
-}
-
-// Check if the character at the specified position is tab.
-func is_tab(b []byte, i int) bool {
-	return b[i] == '\t'
-}
-
-// Check if the character at the specified position is blank (space or tab).
-func is_blank(b []byte, i int) bool {
-	//return is_space(b, i) || is_tab(b, i)
-	return b[i] == ' ' || b[i] == '\t'
-}
-
-// Check if the character at the specified position is a line break.
-func is_break(b []byte, i int) bool {
-	return (b[i] == '\r' || // CR (#xD)
-		b[i] == '\n' || // LF (#xA)
-		b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
-		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
-		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9) // PS (#x2029)
-}
-
-func is_crlf(b []byte, i int) bool {
-	return b[i] == '\r' && b[i+1] == '\n'
-}
-
-// Check if the character is a line break or NUL.
-func is_breakz(b []byte, i int) bool {
-	//return is_break(b, i) || is_z(b, i)
-	return (
-		// is_break:
-		b[i] == '\r' || // CR (#xD)
-		b[i] == '\n' || // LF (#xA)
-		b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
-		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
-		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9 || // PS (#x2029)
-		// is_z:
-		b[i] == 0)
-}
-
-// Check if the character is a line break, space, or NUL.
-func is_spacez(b []byte, i int) bool {
-	//return is_space(b, i) || is_breakz(b, i)
-	return (
-		// is_space:
-		b[i] == ' ' ||
-		// is_breakz:
-		b[i] == '\r' || // CR (#xD)
-		b[i] == '\n' || // LF (#xA)
-		b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
-		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
-		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9 || // PS (#x2029)
-		b[i] == 0)
-}
-
-// Check if the character is a line break, space, tab, or NUL.
-func is_blankz(b []byte, i int) bool {
-	//return is_blank(b, i) || is_breakz(b, i)
-	return (
-		// is_blank:
-		b[i] == ' ' || b[i] == '\t' ||
-		// is_breakz:
-		b[i] == '\r' || // CR (#xD)
-		b[i] == '\n' || // LF (#xA)
-		b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
-		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
-		b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9 || // PS (#x2029)
-		b[i] == 0)
-}
-
-// Determine the width of the character.
-func width(b byte) int {
-	// Don't replace these by a switch without first
-	// confirming that it is being inlined.
-	if b&0x80 == 0x00 {
-		return 1
-	}
-	if b&0xE0 == 0xC0 {
-		return 2
-	}
-	if b&0xF0 == 0xE0 {
-		return 3
-	}
-	if b&0xF8 == 0xF0 {
-		return 4
-	}
-	return 0
-
-}

vendor/modules.txt

@@ -26,17 +26,17 @@ github.com/golang/protobuf/ptypes/timestamp
 ## explicit
 github.com/google/gofuzz
 github.com/google/gofuzz/bytesource
-# github.com/googleapis/gnostic v0.5.3
+# github.com/googleapis/gnostic v0.4.1 => github.com/googleapis/gnostic v0.4.0
-## explicit
 github.com/googleapis/gnostic/compiler
 github.com/googleapis/gnostic/extensions
-github.com/googleapis/gnostic/jsonschema
 github.com/googleapis/gnostic/openapiv2
 # github.com/imdario/mergo v0.3.11
 ## explicit
 github.com/imdario/mergo
 # github.com/json-iterator/go v1.1.10
 github.com/json-iterator/go
+# github.com/kr/pretty v0.2.0
+## explicit
 # github.com/matttproud/golang_protobuf_extensions v1.0.1
 github.com/matttproud/golang_protobuf_extensions/pbutil
 # github.com/miekg/dns v1.1.35
@@ -152,8 +152,6 @@ gopkg.in/inf.v0
 # gopkg.in/yaml.v2 v2.4.0
 ## explicit
 gopkg.in/yaml.v2
-# gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776
-gopkg.in/yaml.v3
 # k8s.io/api v0.19.6
 ## explicit
 k8s.io/api/admissionregistration/v1
@@ -313,3 +311,4 @@ sigs.k8s.io/structured-merge-diff/v4/value
 # sigs.k8s.io/yaml v1.2.0
 sigs.k8s.io/yaml
 # k8s.io/client-go => k8s.io/client-go v0.19.6
+# github.com/googleapis/gnostic => github.com/googleapis/gnostic v0.4.0