1// Copyright 2021 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5//go:build !compiler_bootstrap 6 7package main 8 9import ( 10 "go/ast" 11 "go/token" 12) 13 14func (f *File) walkUnexpected(x interface{}, context astContext, visit func(*File, interface{}, astContext)) { 15 switch n := x.(type) { 16 default: 17 error_(token.NoPos, "unexpected type %T in walk", x) 18 panic("unexpected type") 19 20 case *ast.IndexListExpr: 21 f.walk(&n.X, ctxExpr, visit) 22 f.walk(n.Indices, ctxExpr, visit) 23 } 24} 25 26func funcTypeTypeParams(n *ast.FuncType) *ast.FieldList { 27 return n.TypeParams 28} 29 30func typeSpecTypeParams(n *ast.TypeSpec) *ast.FieldList { 31 return n.TypeParams 32} 33