/
ast.go
47 lines (44 loc) · 1017 Bytes
/
ast.go
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package ast
import (
"fmt"
"go/ast"
"go/token"
)
// 增加 import 方法
func AddImport(astNode ast.Node, imp string) {
impStr := fmt.Sprintf("\"%s\"", imp)
ast.Inspect(astNode, func(node ast.Node) bool {
if genDecl, ok := node.(*ast.GenDecl); ok {
if genDecl.Tok == token.IMPORT {
for i := range genDecl.Specs {
if impNode, ok := genDecl.Specs[i].(*ast.ImportSpec); ok {
if impNode.Path.Value == impStr {
return false
}
}
}
genDecl.Specs = append(genDecl.Specs, &ast.ImportSpec{
Path: &ast.BasicLit{
Kind: token.STRING,
Value: impStr,
},
})
}
}
return true
})
}
// 查询特定function方法
func FindFunction(astNode ast.Node, FunctionName string) *ast.FuncDecl {
var funcDeclP *ast.FuncDecl
ast.Inspect(astNode, func(node ast.Node) bool {
if funcDecl, ok := node.(*ast.FuncDecl); ok {
if funcDecl.Name.String() == FunctionName {
funcDeclP = funcDecl
return false
}
}
return true
})
return funcDeclP
}