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| From | laplante.p@gmail.com |
| Newsgroups | comp.compilers |
| Subject | Error message with bison and flex |
| Date | Mon, 7 Apr 2014 22:36:46 -0700 (PDT) |
| Organization | Compilers Central |
| Lines | 17 |
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| Keywords | yacc, errors |
| Posted-Date | 10 Apr 2014 10:18:09 EDT |
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Sometime the text return from a syntax error is very short. I would like to output 5 lines before the error and 5 lines after the error. Is this possible without affecting the error message. If I used input to read the next 5 lins, the message won't be the same and I don't want to always accumulate the 5 lines before, it will add a lot of overhead to the lexical analyser. Tx [The way I'd do it would be to write my own YY_INPUT() that slurps in the whole file to a buffer when it starts and hands the input to the lexer a line at a time, so it knows what line it's on. If there's an error, it can then scan forward and backward in the file buffer to find the five lines each way. -John]
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Error message with bison and flex laplante.p@gmail.com - 2014-04-07 22:36 -0700
Re: Error message with bison and flex Kaz Kylheku <kaz@kylheku.com> - 2014-04-10 15:06 +0000
Re: Error message with bison and flex Hans-Peter Diettrich <DrDiettrich1@aol.com> - 2014-04-11 03:30 +0200
Re: Error message with bison and flex glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-12 03:31 +0000
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