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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 | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | fb6a59b0a905ddea071948f9a527483a1b1b219f |
| User & Date: | drh 2010-07-18 11:35:53 |
Context
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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: a2eaf829 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: fb6a59b0 user: drh tags: trunk | |
|
2010-07-17
| ||
| 18:44 | Add new test file e_expr.test. check-in: cbcf8abb user: dan tags: trunk | |
Changes
Changes to tool/lemon.c.
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#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;
................................................................................
{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;
................................................................................
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;
}
|
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#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; ................................................................................ {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; ................................................................................ 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; } |