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Last change
on this file since f107afe was
c248b39,
checked in by Andrew Beach <ajbeach@…>, 4 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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