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123 lines
1.9 KiB
123 lines
1.9 KiB
// errorcheck
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// Copyright 2011 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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// Verify that erroneous labels are caught by the compiler.
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// This set is caught by pass 2. That's why this file is label1.go.
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// Does not compile.
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package main
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var x int
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func f1() {
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switch x {
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case 1:
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continue // ERROR "continue is not in a loop$"
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}
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select {
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default:
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continue // ERROR "continue is not in a loop$"
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}
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}
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func f2() {
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L1:
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for {
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if x == 0 {
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break L1
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}
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if x == 1 {
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continue L1
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}
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goto L1
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}
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L2:
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select {
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default:
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if x == 0 {
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break L2
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}
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if x == 1 {
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continue L2 // ERROR "invalid continue label .*L2|continue is not in a loop$"
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}
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goto L2
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}
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for {
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if x == 1 {
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continue L2 // ERROR "invalid continue label .*L2"
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}
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}
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L3:
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switch {
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case x > 10:
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if x == 11 {
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break L3
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}
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if x == 12 {
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continue L3 // ERROR "invalid continue label .*L3|continue is not in a loop$"
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}
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goto L3
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}
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L4:
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if true {
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if x == 13 {
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break L4 // ERROR "invalid break label .*L4"
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}
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if x == 14 {
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continue L4 // ERROR "invalid continue label .*L4|continue is not in a loop$"
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}
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if x == 15 {
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goto L4
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}
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}
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L5:
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f2()
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if x == 16 {
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break L5 // ERROR "invalid break label .*L5"
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}
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if x == 17 {
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continue L5 // ERROR "invalid continue label .*L5|continue is not in a loop$"
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}
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if x == 18 {
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goto L5
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}
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for {
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if x == 19 {
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break L1 // ERROR "invalid break label .*L1"
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}
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if x == 20 {
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continue L1 // ERROR "invalid continue label .*L1"
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}
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if x == 21 {
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goto L1
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}
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}
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continue // ERROR "continue is not in a loop$"
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for {
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continue on // ERROR "continue label not defined: on"
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}
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break // ERROR "break is not in a loop, switch, or select"
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for {
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break dance // ERROR "break label not defined: dance"
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}
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for {
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switch x {
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case 1:
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continue
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}
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}
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}
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