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// Copyright 2018 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 inspect defines an Analyzer that provides an AST inspector
// (golang.org/x/tools/go/ast/inspect.Inspect) for the syntax trees of a
// package. It is only a building block for other analyzers.
//
// Example of use in another analysis:
//
// import (
// "golang.org/x/tools/go/analysis"
// "golang.org/x/tools/go/analysis/passes/inspect"
// "golang.org/x/tools/go/ast/inspector"
// )
//
// var Analyzer = &analysis.Analyzer{
// ...
// Requires: reflect.TypeOf(new(inspect.Analyzer)),
// }
//
// func run(pass *analysis.Pass) (interface{}, error) {
// inspect := pass.ResultOf[inspect.Analyzer].(*inspector.Inspector)
// inspect.Preorder(nil, func(n ast.Node) {
// ...
// })
// return nil
// }
//
package inspect
import (
"reflect"
"golang.org/x/tools/go/analysis"
"golang.org/x/tools/go/ast/inspector"
)
var Analyzer = &analysis.Analyzer{
Name: "inspect",
Doc: "optimize AST traversal for later passes",
Run: run,
RunDespiteErrors: true,
ResultType: reflect.TypeOf(new(inspector.Inspector)),
}
func run(pass *analysis.Pass) (interface{}, error) {
return inspector.New(pass.Files), nil
}