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Reduce the size of the parser tables generated by Lemon by splitting the

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yyRuleInfo structure into separate yyRuleInfoLhs and yyRuleInfoNRhs arrays.

FossilOrigin-Name: 70fe8ec2ae3099b8773834c7ac2e56768addbecd57956ac523e71a7dc264049c
This commit is contained in:
drh
2018-12-03 23:57:27 +00:00
parent f8c2fea195
commit cfc45b1021
4 changed files with 31 additions and 22 deletions
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11
tool/lemon.c
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@ -4590,13 +4590,20 @@ void ReportTable(
tplt_print(out,lemp,lemp->overflow,&lineno);
tplt_xfer(lemp->name,in,out,&lineno);
/* Generate the table of rule information
/* Generate the tables of rule information. yyRuleInfoLhs[] and
** yyRuleInfoNRhs[].
**
** Note: This code depends on the fact that rules are number
** sequentually beginning with 0.
*/
for(i=0, rp=lemp->rule; rp; rp=rp->next, i++){
fprintf(out," { %4d, %4d }, /* (%d) ",rp->lhs->index,-rp->nrhs,i);
fprintf(out," %4d, /* (%d) ", rp->lhs->index, i);
rule_print(out, rp);
fprintf(out," */\n"); lineno++;
}
tplt_xfer(lemp->name,in,out,&lineno);
for(i=0, rp=lemp->rule; rp; rp=rp->next, i++){
fprintf(out," %3d, /* (%d) ", -rp->nrhs, i);
rule_print(out, rp);
fprintf(out," */\n"); lineno++;
}