diff options
Diffstat (limited to 'vendor/golang.org/x/tools/go/ast/edge/edge.go')
| -rw-r--r-- | vendor/golang.org/x/tools/go/ast/edge/edge.go | 295 |
1 files changed, 0 insertions, 295 deletions
diff --git a/vendor/golang.org/x/tools/go/ast/edge/edge.go b/vendor/golang.org/x/tools/go/ast/edge/edge.go deleted file mode 100644 index 4f6ccfd6e..000000000 --- a/vendor/golang.org/x/tools/go/ast/edge/edge.go +++ /dev/null @@ -1,295 +0,0 @@ -// Copyright 2025 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 edge defines identifiers for each field of an ast.Node -// struct type that refers to another Node. -package edge - -import ( - "fmt" - "go/ast" - "reflect" -) - -// A Kind describes a field of an ast.Node struct. -type Kind uint8 - -// String returns a description of the edge kind. -func (k Kind) String() string { - if k == Invalid { - return "<invalid>" - } - info := fieldInfos[k] - return fmt.Sprintf("%v.%s", info.nodeType.Elem().Name(), info.name) -} - -// NodeType returns the pointer-to-struct type of the ast.Node implementation. -func (k Kind) NodeType() reflect.Type { return fieldInfos[k].nodeType } - -// FieldName returns the name of the field. -func (k Kind) FieldName() string { return fieldInfos[k].name } - -// FieldType returns the declared type of the field. -func (k Kind) FieldType() reflect.Type { return fieldInfos[k].fieldType } - -// Get returns the direct child of n identified by (k, idx). -// n's type must match k.NodeType(). -// idx must be a valid slice index, or -1 for a non-slice. -func (k Kind) Get(n ast.Node, idx int) ast.Node { - if k.NodeType() != reflect.TypeOf(n) { - panic(fmt.Sprintf("%v.Get(%T): invalid node type", k, n)) - } - v := reflect.ValueOf(n).Elem().Field(fieldInfos[k].index) - if idx != -1 { - v = v.Index(idx) // asserts valid index - } else { - // (The type assertion below asserts that v is not a slice.) - } - return v.Interface().(ast.Node) // may be nil -} - -const ( - Invalid Kind = iota // for nodes at the root of the traversal - - // Kinds are sorted alphabetically. - // Numbering is not stable. - // Each is named Type_Field, where Type is the - // ast.Node struct type and Field is the name of the field - - ArrayType_Elt - ArrayType_Len - AssignStmt_Lhs - AssignStmt_Rhs - BinaryExpr_X - BinaryExpr_Y - BlockStmt_List - BranchStmt_Label - CallExpr_Args - CallExpr_Fun - CaseClause_Body - CaseClause_List - ChanType_Value - CommClause_Body - CommClause_Comm - CommentGroup_List - CompositeLit_Elts - CompositeLit_Type - DeclStmt_Decl - DeferStmt_Call - Ellipsis_Elt - ExprStmt_X - FieldList_List - Field_Comment - Field_Doc - Field_Names - Field_Tag - Field_Type - File_Decls - File_Doc - File_Name - ForStmt_Body - ForStmt_Cond - ForStmt_Init - ForStmt_Post - FuncDecl_Body - FuncDecl_Doc - FuncDecl_Name - FuncDecl_Recv - FuncDecl_Type - FuncLit_Body - FuncLit_Type - FuncType_Params - FuncType_Results - FuncType_TypeParams - GenDecl_Doc - GenDecl_Specs - GoStmt_Call - IfStmt_Body - IfStmt_Cond - IfStmt_Else - IfStmt_Init - ImportSpec_Comment - ImportSpec_Doc - ImportSpec_Name - ImportSpec_Path - IncDecStmt_X - IndexExpr_Index - IndexExpr_X - IndexListExpr_Indices - IndexListExpr_X - InterfaceType_Methods - KeyValueExpr_Key - KeyValueExpr_Value - LabeledStmt_Label - LabeledStmt_Stmt - MapType_Key - MapType_Value - ParenExpr_X - RangeStmt_Body - RangeStmt_Key - RangeStmt_Value - RangeStmt_X - ReturnStmt_Results - SelectStmt_Body - SelectorExpr_Sel - SelectorExpr_X - SendStmt_Chan - SendStmt_Value - SliceExpr_High - SliceExpr_Low - SliceExpr_Max - SliceExpr_X - StarExpr_X - StructType_Fields - SwitchStmt_Body - SwitchStmt_Init - SwitchStmt_Tag - TypeAssertExpr_Type - TypeAssertExpr_X - TypeSpec_Comment - TypeSpec_Doc - TypeSpec_Name - TypeSpec_Type - TypeSpec_TypeParams - TypeSwitchStmt_Assign - TypeSwitchStmt_Body - TypeSwitchStmt_Init - UnaryExpr_X - ValueSpec_Comment - ValueSpec_Doc - ValueSpec_Names - ValueSpec_Type - ValueSpec_Values - - maxKind -) - -// Assert that the encoding fits in 7 bits, -// as the inspector relies on this. -// (We are currently at 104.) -var _ = [1 << 7]struct{}{}[maxKind] - -type fieldInfo struct { - nodeType reflect.Type // pointer-to-struct type of ast.Node implementation - name string - index int - fieldType reflect.Type -} - -func info[N ast.Node](fieldName string) fieldInfo { - nodePtrType := reflect.TypeFor[N]() - f, ok := nodePtrType.Elem().FieldByName(fieldName) - if !ok { - panic(fieldName) - } - return fieldInfo{nodePtrType, fieldName, f.Index[0], f.Type} -} - -var fieldInfos = [...]fieldInfo{ - Invalid: {}, - ArrayType_Elt: info[*ast.ArrayType]("Elt"), - ArrayType_Len: info[*ast.ArrayType]("Len"), - AssignStmt_Lhs: info[*ast.AssignStmt]("Lhs"), - AssignStmt_Rhs: info[*ast.AssignStmt]("Rhs"), - BinaryExpr_X: info[*ast.BinaryExpr]("X"), - BinaryExpr_Y: info[*ast.BinaryExpr]("Y"), - BlockStmt_List: info[*ast.BlockStmt]("List"), - BranchStmt_Label: info[*ast.BranchStmt]("Label"), - CallExpr_Args: info[*ast.CallExpr]("Args"), - CallExpr_Fun: info[*ast.CallExpr]("Fun"), - CaseClause_Body: info[*ast.CaseClause]("Body"), - CaseClause_List: info[*ast.CaseClause]("List"), - ChanType_Value: info[*ast.ChanType]("Value"), - CommClause_Body: info[*ast.CommClause]("Body"), - CommClause_Comm: info[*ast.CommClause]("Comm"), - CommentGroup_List: info[*ast.CommentGroup]("List"), - CompositeLit_Elts: info[*ast.CompositeLit]("Elts"), - CompositeLit_Type: info[*ast.CompositeLit]("Type"), - DeclStmt_Decl: info[*ast.DeclStmt]("Decl"), - DeferStmt_Call: info[*ast.DeferStmt]("Call"), - Ellipsis_Elt: info[*ast.Ellipsis]("Elt"), - ExprStmt_X: info[*ast.ExprStmt]("X"), - FieldList_List: info[*ast.FieldList]("List"), - Field_Comment: info[*ast.Field]("Comment"), - Field_Doc: info[*ast.Field]("Doc"), - Field_Names: info[*ast.Field]("Names"), - Field_Tag: info[*ast.Field]("Tag"), - Field_Type: info[*ast.Field]("Type"), - File_Decls: info[*ast.File]("Decls"), - File_Doc: info[*ast.File]("Doc"), - File_Name: info[*ast.File]("Name"), - ForStmt_Body: info[*ast.ForStmt]("Body"), - ForStmt_Cond: info[*ast.ForStmt]("Cond"), - ForStmt_Init: info[*ast.ForStmt]("Init"), - ForStmt_Post: info[*ast.ForStmt]("Post"), - FuncDecl_Body: info[*ast.FuncDecl]("Body"), - FuncDecl_Doc: info[*ast.FuncDecl]("Doc"), - FuncDecl_Name: info[*ast.FuncDecl]("Name"), - FuncDecl_Recv: info[*ast.FuncDecl]("Recv"), - FuncDecl_Type: info[*ast.FuncDecl]("Type"), - FuncLit_Body: info[*ast.FuncLit]("Body"), - FuncLit_Type: info[*ast.FuncLit]("Type"), - FuncType_Params: info[*ast.FuncType]("Params"), - FuncType_Results: info[*ast.FuncType]("Results"), - FuncType_TypeParams: info[*ast.FuncType]("TypeParams"), - GenDecl_Doc: info[*ast.GenDecl]("Doc"), - GenDecl_Specs: info[*ast.GenDecl]("Specs"), - GoStmt_Call: info[*ast.GoStmt]("Call"), - IfStmt_Body: info[*ast.IfStmt]("Body"), - IfStmt_Cond: info[*ast.IfStmt]("Cond"), - IfStmt_Else: info[*ast.IfStmt]("Else"), - IfStmt_Init: info[*ast.IfStmt]("Init"), - ImportSpec_Comment: info[*ast.ImportSpec]("Comment"), - ImportSpec_Doc: info[*ast.ImportSpec]("Doc"), - ImportSpec_Name: info[*ast.ImportSpec]("Name"), - ImportSpec_Path: info[*ast.ImportSpec]("Path"), - IncDecStmt_X: info[*ast.IncDecStmt]("X"), - IndexExpr_Index: info[*ast.IndexExpr]("Index"), - IndexExpr_X: info[*ast.IndexExpr]("X"), - IndexListExpr_Indices: info[*ast.IndexListExpr]("Indices"), - IndexListExpr_X: info[*ast.IndexListExpr]("X"), - InterfaceType_Methods: info[*ast.InterfaceType]("Methods"), - KeyValueExpr_Key: info[*ast.KeyValueExpr]("Key"), - KeyValueExpr_Value: info[*ast.KeyValueExpr]("Value"), - LabeledStmt_Label: info[*ast.LabeledStmt]("Label"), - LabeledStmt_Stmt: info[*ast.LabeledStmt]("Stmt"), - MapType_Key: info[*ast.MapType]("Key"), - MapType_Value: info[*ast.MapType]("Value"), - ParenExpr_X: info[*ast.ParenExpr]("X"), - RangeStmt_Body: info[*ast.RangeStmt]("Body"), - RangeStmt_Key: info[*ast.RangeStmt]("Key"), - RangeStmt_Value: info[*ast.RangeStmt]("Value"), - RangeStmt_X: info[*ast.RangeStmt]("X"), - ReturnStmt_Results: info[*ast.ReturnStmt]("Results"), - SelectStmt_Body: info[*ast.SelectStmt]("Body"), - SelectorExpr_Sel: info[*ast.SelectorExpr]("Sel"), - SelectorExpr_X: info[*ast.SelectorExpr]("X"), - SendStmt_Chan: info[*ast.SendStmt]("Chan"), - SendStmt_Value: info[*ast.SendStmt]("Value"), - SliceExpr_High: info[*ast.SliceExpr]("High"), - SliceExpr_Low: info[*ast.SliceExpr]("Low"), - SliceExpr_Max: info[*ast.SliceExpr]("Max"), - SliceExpr_X: info[*ast.SliceExpr]("X"), - StarExpr_X: info[*ast.StarExpr]("X"), - StructType_Fields: info[*ast.StructType]("Fields"), - SwitchStmt_Body: info[*ast.SwitchStmt]("Body"), - SwitchStmt_Init: info[*ast.SwitchStmt]("Init"), - SwitchStmt_Tag: info[*ast.SwitchStmt]("Tag"), - TypeAssertExpr_Type: info[*ast.TypeAssertExpr]("Type"), - TypeAssertExpr_X: info[*ast.TypeAssertExpr]("X"), - TypeSpec_Comment: info[*ast.TypeSpec]("Comment"), - TypeSpec_Doc: info[*ast.TypeSpec]("Doc"), - TypeSpec_Name: info[*ast.TypeSpec]("Name"), - TypeSpec_Type: info[*ast.TypeSpec]("Type"), - TypeSpec_TypeParams: info[*ast.TypeSpec]("TypeParams"), - TypeSwitchStmt_Assign: info[*ast.TypeSwitchStmt]("Assign"), - TypeSwitchStmt_Body: info[*ast.TypeSwitchStmt]("Body"), - TypeSwitchStmt_Init: info[*ast.TypeSwitchStmt]("Init"), - UnaryExpr_X: info[*ast.UnaryExpr]("X"), - ValueSpec_Comment: info[*ast.ValueSpec]("Comment"), - ValueSpec_Doc: info[*ast.ValueSpec]("Doc"), - ValueSpec_Names: info[*ast.ValueSpec]("Names"), - ValueSpec_Type: info[*ast.ValueSpec]("Type"), - ValueSpec_Values: info[*ast.ValueSpec]("Values"), -} |