mirror of
https://github.com/golang/go
synced 2024-11-13 17:20:22 -07:00
8beb4be850
label.go:30:1: error: label ‘L6’ already defined label.go:28:1: note: previous definition of ‘L6’ was here label.go:23:1: error: label ‘L4’ defined and not used label.go:52:2: error: label ‘defalt’ defined and not used label.go:17:1: error: label ‘L2’ defined and not used label.go:26:1: error: label ‘L5’ defined and not used label.go:20:1: error: label ‘L3’ defined and not used label.go:14:1: error: label ‘L1’ defined and not used label1.go:32:13: error: invalid continue label ‘L2’ label1.go:44:13: error: invalid continue label ‘L3’ label1.go:52:10: error: invalid break label ‘L4’ label1.go:55:13: error: invalid continue label ‘L4’ label1.go:65:9: error: invalid break label ‘L5’ label1.go:68:12: error: invalid continue label ‘L5’ label1.go:76:10: error: invalid break label ‘L1’ label1.go:79:13: error: invalid continue label ‘L1’ R=rsc CC=golang-dev https://golang.org/cl/4275078
86 lines
1.1 KiB
Go
86 lines
1.1 KiB
Go
// errchk $G -e $D/$F.go
|
|
|
|
// Copyright 2011 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.
|
|
|
|
// Pass 2 label errors.
|
|
|
|
package main
|
|
|
|
var x int
|
|
|
|
func f() {
|
|
L1:
|
|
for {
|
|
if x == 0 {
|
|
break L1
|
|
}
|
|
if x == 1 {
|
|
continue L1
|
|
}
|
|
goto L1
|
|
}
|
|
|
|
L2:
|
|
select {
|
|
default:
|
|
if x == 0 {
|
|
break L2
|
|
}
|
|
if x == 1 {
|
|
continue L2 // ERROR "invalid continue label .*L2"
|
|
}
|
|
goto L2
|
|
}
|
|
|
|
L3:
|
|
switch {
|
|
case x > 10:
|
|
if x == 11 {
|
|
break L3
|
|
}
|
|
if x == 12 {
|
|
continue L3 // ERROR "invalid continue label .*L3"
|
|
}
|
|
goto L3
|
|
}
|
|
|
|
L4:
|
|
if true {
|
|
if x == 13 {
|
|
break L4 // ERROR "invalid break label .*L4"
|
|
}
|
|
if x == 14 {
|
|
continue L4 // ERROR "invalid continue label .*L4"
|
|
}
|
|
if x == 15 {
|
|
goto L4
|
|
}
|
|
}
|
|
|
|
L5:
|
|
f()
|
|
if x == 16 {
|
|
break L5 // ERROR "invalid break label .*L5"
|
|
}
|
|
if x == 17 {
|
|
continue L5 // ERROR "invalid continue label .*L5"
|
|
}
|
|
if x == 18 {
|
|
goto L5
|
|
}
|
|
|
|
for {
|
|
if x == 19 {
|
|
break L1 // ERROR "invalid break label .*L1"
|
|
}
|
|
if x == 20 {
|
|
continue L1 // ERROR "invalid continue label .*L1"
|
|
}
|
|
if x == 21 {
|
|
goto L1
|
|
}
|
|
}
|
|
}
|