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Overview
| Comment: | Add the -p option to lemon to cause conflicts resolved by precedence rules to appear in the parse.out file. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
fb6a59b0a905ddea071948f9a527483a |
| User & Date: | drh 2010-07-18 11:35:53.000 |
Context
|
2010-07-19
| ||
| 01:52 | Improvements to the formatting of parse.out file from Lemon. Add the -r option to Lemon to disable the state sorting, making debugging easier. (check-in: a2eaf8294f user: drh tags: trunk) | |
|
2010-07-18
| ||
| 11:35 | Add the -p option to lemon to cause conflicts resolved by precedence rules to appear in the parse.out file. (check-in: fb6a59b0a9 user: drh tags: trunk) | |
|
2010-07-17
| ||
| 18:44 | Add new test file e_expr.test. (check-in: cbcf8abbb2 user: dan tags: trunk) | |
Changes
Changes to tool/lemon.c.
| ︙ | ︙ | |||
30 31 32 33 34 35 36 37 38 39 40 41 42 43 |
#ifdef TEST
#define MAXRHS 5 /* Set low to exercise exception code */
#else
#define MAXRHS 1000
#endif
static const char **made_files = NULL;
static int made_files_count = 0;
static int successful_exit = 0;
static void LemonAtExit(void)
{
/* if we failed, delete (most) files we made, to unconfuse build tools. */
int i;
| > | 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 |
#ifdef TEST
#define MAXRHS 5 /* Set low to exercise exception code */
#else
#define MAXRHS 1000
#endif
static int showPrecedenceConflict = 0;
static const char **made_files = NULL;
static int made_files_count = 0;
static int successful_exit = 0;
static void LemonAtExit(void)
{
/* if we failed, delete (most) files we made, to unconfuse build tools. */
int i;
|
| ︙ | ︙ | |||
1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 |
{OPT_FLAG, "b", (char*)&basisflag, "Print only the basis in report."},
{OPT_FLAG, "c", (char*)&compress, "Don't compress the action table."},
{OPT_FSTR, "D", (char*)handle_D_option, "Define an %ifdef macro."},
{OPT_FSTR, "T", (char*)handle_T_option, "Specify a template file."},
{OPT_FLAG, "g", (char*)&rpflag, "Print grammar without actions."},
{OPT_FLAG, "m", (char*)&mhflag, "Output a makeheaders compatible file."},
{OPT_FLAG, "l", (char*)&nolinenosflag, "Do not print #line statements."},
{OPT_FLAG, "q", (char*)&quiet, "(Quiet) Don't print the report file."},
{OPT_FLAG, "s", (char*)&statistics,
"Print parser stats to standard output."},
{OPT_FLAG, "x", (char*)&version, "Print the version number."},
{OPT_FLAG,0,0,0}
};
int i;
| > > | 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 |
{OPT_FLAG, "b", (char*)&basisflag, "Print only the basis in report."},
{OPT_FLAG, "c", (char*)&compress, "Don't compress the action table."},
{OPT_FSTR, "D", (char*)handle_D_option, "Define an %ifdef macro."},
{OPT_FSTR, "T", (char*)handle_T_option, "Specify a template file."},
{OPT_FLAG, "g", (char*)&rpflag, "Print grammar without actions."},
{OPT_FLAG, "m", (char*)&mhflag, "Output a makeheaders compatible file."},
{OPT_FLAG, "l", (char*)&nolinenosflag, "Do not print #line statements."},
{OPT_FLAG, "p", (char*)&showPrecedenceConflict,
"Show conflicts resolved by precedence rules"},
{OPT_FLAG, "q", (char*)&quiet, "(Quiet) Don't print the report file."},
{OPT_FLAG, "s", (char*)&statistics,
"Print parser stats to standard output."},
{OPT_FLAG, "x", (char*)&version, "Print the version number."},
{OPT_FLAG,0,0,0}
};
int i;
|
| ︙ | ︙ | |||
2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 |
indent,ap->sp->name,ap->x.rp->index);
break;
case SSCONFLICT:
fprintf(fp,"%*s shift %d ** Parsing conflict **",
indent,ap->sp->name,ap->x.stp->statenum);
break;
case SH_RESOLVED:
case RD_RESOLVED:
case NOT_USED:
result = 0;
break;
}
return result;
}
| > > > > > > > > > > > > > > | 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 |
indent,ap->sp->name,ap->x.rp->index);
break;
case SSCONFLICT:
fprintf(fp,"%*s shift %d ** Parsing conflict **",
indent,ap->sp->name,ap->x.stp->statenum);
break;
case SH_RESOLVED:
if( showPrecedenceConflict ){
fprintf(fp,"%*s shift %d -- dropped by precedence",
indent,ap->sp->name,ap->x.stp->statenum);
}else{
result = 0;
}
break;
case RD_RESOLVED:
if( showPrecedenceConflict ){
fprintf(fp,"%*s reduce %d -- dropped by precedence",
indent,ap->sp->name,ap->x.rp->index);
}else{
result = 0;
}
break;
case NOT_USED:
result = 0;
break;
}
return result;
}
|
| ︙ | ︙ |