mirror of
				https://github.com/golang/go.git
				synced 2025-10-31 08:40:55 +00:00 
			
		
		
		
	 8beb4be850
			
		
	
	
		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
		
			
				
	
	
		
			85 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			85 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
 | |
| 		}
 | |
| 	}
 | |
| }
 |