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Last change
on this file since 1cc5c6a was c248b39, checked in by Andrew Beach <ajbeach@…>, 14 months ago |
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Unlabelled breaks were not targetting the correct enclosing control structures. Also added a test and improved error messages.
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-
Property mode
set to
100644
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File size:
607 bytes
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| 1 | // Test breaking to unusual (non-loop, non-switch) statements.
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| 2 |
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| 3 | #include <fstream.hfa>
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| 4 |
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| 5 | void breakTargetLabels() {
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| 6 | sout | "if";
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| 7 | Lif: if ( true ) {
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| 8 | break Lif;
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| 9 | sout | "!";
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| 10 | }
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| 11 | sout | "end" | nl;
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| 12 |
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| 13 | sout | "block";
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| 14 | Lblock: {
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| 15 | break Lblock;
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| 16 | sout | "!";
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| 17 | }
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| 18 | sout | "end" | nl;
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| 19 | }
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| 20 |
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| 21 | void breakSkipsUnlabelled() {
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| 22 | sout | "unlabelled";
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| 23 | for (int i = 0 ; i < 2 ; ++i) {
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| 24 | sout | "loop";
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| 25 | block: {
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| 26 | break;
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| 27 | sout | "!";
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| 28 | // Prevent unused label warning.
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| 29 | if ( false ) break block;
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| 30 | }
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| 31 | }
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| 32 | sout | "end" | nl;
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| 33 | }
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| 34 |
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| 35 | int main() {
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| 36 | sout | nlOff;
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| 37 |
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| 38 | breakTargetLabels();
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| 39 | sout | nl;
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| 40 | breakSkipsUnlabelled();
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| 41 | }
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