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https://github.com/golang/go
synced 2024-11-05 16:16:11 -07:00
ca2a886cba
Also, with this change, error locations don't print absolute positions in [] brackets following positions relative to line directives. To get the absolute positions as well, specify the -L flag. Fixes #22660. Change-Id: I9ecfa254f053defba9c802222874155fa12fee2c Reviewed-on: https://go-review.googlesource.com/77090 Reviewed-by: David Crawshaw <crawshaw@golang.org> Reviewed-by: Russ Cox <rsc@golang.org>
51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
// run
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// Copyright 2017 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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"io/ioutil"
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"log"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"strings"
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)
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func main() {
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if runtime.GOOS == "nacl" {
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return // no file system available on builders
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}
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f, err := ioutil.TempFile("", "issue22660.go")
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if err != nil {
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log.Fatal(err)
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}
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f.Close()
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defer os.Remove(f.Name())
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// path must appear in error messages even if we strip them with -trimpath
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path := filepath.Join("users", "xxx", "go")
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var src bytes.Buffer
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fmt.Fprintf(&src, "//line %s:1\n", filepath.Join(path, "foo.go"))
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if err := ioutil.WriteFile(f.Name(), src.Bytes(), 0660); err != nil {
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log.Fatal(err)
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}
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out, err := exec.Command("go", "tool", "compile", fmt.Sprintf("-trimpath=%s", path), f.Name()).CombinedOutput()
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if err == nil {
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log.Fatalf("expected compiling %s to fail", f.Name())
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}
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if !strings.HasPrefix(string(out), path) {
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log.Fatalf("expected full path (%s) in error message, got:\n%s", path, out)
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}
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}
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