mirror of
https://github.com/golang/go
synced 2024-11-26 02:27:56 -07:00
68 lines
1.2 KiB
Go
68 lines
1.2 KiB
Go
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// run
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//go:build !js && !wasip1
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// Copyright 2024 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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package main
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import (
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"bytes"
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"fmt"
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"os"
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"os/exec"
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"path/filepath"
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)
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const aSrc = `package a
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func A() { println("a") }
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`
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const mainSrc = `package main
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import "a"
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func main() { a.A() }
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`
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var srcs = map[string]string{
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"a.go": aSrc,
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"main.go": mainSrc,
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}
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func main() {
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dir, err := os.MkdirTemp("", "issue54542")
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if err != nil {
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panic(err)
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}
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defer os.RemoveAll(dir)
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for fn, src := range srcs {
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if err := os.WriteFile(filepath.Join(dir, fn), []byte(src), 0644); err != nil {
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panic(err)
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}
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}
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if _, err := runInDir(dir, "tool", "compile", "-p=lie", "a.go"); err != nil {
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panic(err)
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}
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out, err := runInDir(dir, "tool", "compile", "-I=.", "-p=main", "main.go")
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if err == nil {
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panic("compiling succeed unexpectedly")
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}
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if bytes.Contains(out, []byte("internal compiler error:")) {
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panic(fmt.Sprintf("unexpected ICE:\n%s", string(out)))
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}
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}
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func runInDir(dir string, args ...string) ([]byte, error) {
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cmd := exec.Command("go", args...)
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cmd.Dir = dir
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return cmd.CombinedOutput()
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}
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