mirror of
https://github.com/golang/go
synced 2024-11-23 07:00:05 -07:00
7b916243d9
The name change init -> init.ializers was initially required for initialization code. With CL 161337 there's no wrapper code any more, there's a data structure instead (named .inittask). So we can go back to just plain init appearing in tracebacks. RELNOTE=yes Update #29919. Followon to CL 161337. Change-Id: I5a4a49d286df24b53b2baa193dfda482f3ea82a5 Reviewed-on: https://go-review.googlesource.com/c/go/+/167780 Run-TryBot: Keith Randall <khr@golang.org> Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
76 lines
1.6 KiB
Go
76 lines
1.6 KiB
Go
// Copyright 2019 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.
|
|
|
|
// Make sure tracebacks from initialization code are reported correctly.
|
|
|
|
package a
|
|
|
|
import (
|
|
"fmt"
|
|
"runtime"
|
|
"strings"
|
|
)
|
|
|
|
var x = f() // line 15
|
|
|
|
func f() int {
|
|
var b [4096]byte
|
|
n := runtime.Stack(b[:], false) // line 19
|
|
s := string(b[:n])
|
|
var pcs [10]uintptr
|
|
n = runtime.Callers(1, pcs[:]) // line 22
|
|
|
|
// Check the Stack results.
|
|
if debug {
|
|
println(s)
|
|
}
|
|
if strings.Contains(s, "autogenerated") {
|
|
panic("autogenerated code in traceback")
|
|
}
|
|
if !strings.Contains(s, "a.go:15") {
|
|
panic("missing a.go:15")
|
|
}
|
|
if !strings.Contains(s, "a.go:19") {
|
|
panic("missing a.go:19")
|
|
}
|
|
if !strings.Contains(s, "a.init") {
|
|
panic("missing a.init")
|
|
}
|
|
|
|
// Check the CallersFrames results.
|
|
if debug {
|
|
iter := runtime.CallersFrames(pcs[:n])
|
|
for {
|
|
f, more := iter.Next()
|
|
fmt.Printf("%s %s:%d\n", f.Function, f.File, f.Line)
|
|
if !more {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
iter := runtime.CallersFrames(pcs[:n])
|
|
f, more := iter.Next()
|
|
if f.Function != "a.f" || !strings.HasSuffix(f.File, "a.go") || f.Line != 22 {
|
|
panic(fmt.Sprintf("bad f %v\n", f))
|
|
}
|
|
if !more {
|
|
panic("traceback truncated after f")
|
|
}
|
|
f, more = iter.Next()
|
|
if f.Function != "a.init" || !strings.HasSuffix(f.File, "a.go") || f.Line != 15 {
|
|
panic(fmt.Sprintf("bad init %v\n", f))
|
|
}
|
|
if !more {
|
|
panic("traceback truncated after init")
|
|
}
|
|
f, _ = iter.Next()
|
|
if !strings.HasPrefix(f.Function, "runtime.") {
|
|
panic("runtime. driver missing")
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
const debug = false
|