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28 lines
597 B
Go
28 lines
597 B
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build gccgo
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package goroot
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import (
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"os"
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"path/filepath"
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)
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// IsStandardPackage reports whether path is a standard package,
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// given goroot and compiler.
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func IsStandardPackage(goroot, compiler, path string) bool {
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switch compiler {
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case "gc":
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dir := filepath.Join(goroot, "src", path)
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_, err := os.Stat(dir)
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return err == nil
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case "gccgo":
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return stdpkg[path]
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default:
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panic("unknown compiler " + compiler)
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}
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}
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