/
githubmirror
/
go
Обзор
Документация
Войти
/
githubmirror
/
go
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
test/fixedbugs/issue22662.go
55 строк
2 KB
Robert Griesemer
test/fixedbugs: minor adjustments to line-directive specific tests
21 май 2026, 03:58
21 май 2026, 03:58
5a1c0ee
Код
Авторство
О чём код?
// run // 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. // Verify effect of various line directives. // TODO: check columns package main import ( "fmt" "runtime" "strings" ) // Since go.dev/issue/70478, the compiler resolves a relative filename in a // line directive against the directory of the source file, so the expected // path may be a suffix of the actual filename rather than equal to it. // Accept either an exact match or the file as a path-component suffix. // Compiler-emitted paths are always slash-normalized (cmd/internal/objabi.AbsFile). func check(file string, line int) { _, f, l, ok := runtime.Caller(1) if !ok { panic("runtime.Caller(1) failed") } // Prepend exactly one "/" even if file already starts with one, so that // e.g. file="/foo/bar.go" looks for "/foo/bar.go" as the suffix, not "//". want := "/" + strings.TrimPrefix(file, "/") if (f != file && !strings.HasSuffix(f, want)) || l != line { panic(fmt.Sprintf("got %s:%d; want %s:%d (or suffix %s)", f, l, file, line, want)) } } func main() { //-style line directives //line :1 check("??", 1) // no file specified //line foo.go:1 check("foo.go", 1) //line bar.go:10:20 check("bar.go", 10) //line :11:22 check("bar.go", 11) // no file, but column specified => keep old filename /*-style line directives */ /*line :1*/ check("??", 1) // no file specified /*line foo.go:1*/ check("foo.go", 1) /*line bar.go:10:20*/ check("bar.go", 10) /*line :11:22*/ check("bar.go", 11) // no file, but column specified => keep old filename /*line :10*/ check("??", 10); /*line foo.go:20*/ check("foo.go", 20); /*line :30:1*/ check("foo.go", 30) check("foo.go", 31) }