blob: 2bbf4cda2b3ec97e5b6d6ef275748e04ebf693f0 [file] [log] [blame]
// 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.
//go:build gccgo
package goroot
import (
"os"
"path/filepath"
"strings"
)
// IsStandardPackage reports whether path is a standard package,
// given goroot and compiler.
func IsStandardPackage(goroot, compiler, path string) bool {
switch compiler {
case "gc":
dir := filepath.Join(goroot, "src", path)
dirents, err := os.ReadDir(dir)
if err != nil {
return false
}
for _, dirent := range dirents {
if strings.HasSuffix(dirent.Name(), ".go") {
return true
}
}
return false
case "gccgo":
return stdpkg[path]
default:
panic("unknown compiler " + compiler)
}
}