source:
CIVL/mods/dev.civl.abc/examples/g1.g
| Last change on this file was aad342c, checked in by , 3 years ago | |
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| File size: 256 bytes | |
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| 1 | grammar g1; |
| 2 | options { output=AST; } |
| 3 | tokens { B_CHAIN; } |
| 4 | //r : (A | (b_chain A))* b_chain?; |
| 5 | r : (A | b_chain)*; |
| 6 | |
| 7 | //b_chain : B+ -> ^(B_CHAIN B+); |
| 8 | b_chain : (options {greedy=true;} : B)+ -> ^(B_CHAIN B+); |
| 9 | |
| 10 | A : 'A'; |
| 11 | B : 'B'; |
| 12 | |
| 13 | // BB should yield ^(BCHAIN B B) |
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