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Overview
Comment:Fix an error message in the Lemon parser generator.
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Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: b6d7d42b7426622a26b67809cd1f21285fea120aa1897377b9946840463b41f1
User & Date: drh 2019-04-30 14:26:31.199
Context
2019-04-30
15:36
Fix a problem allowing a Table object to be deleted from within a call to the xDestroy method of the associated virtual table, causing a use-after-free error. (check-in: 1dbbb0101e user: dan tags: trunk)
14:26
Fix an error message in the Lemon parser generator. (check-in: b6d7d42b74 user: drh tags: trunk)
11:54
Small performance increase and size reduction in the implementation of the LIKE and GLOB operators. (check-in: f97626f921 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to tool/lemon.c.
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    if( rp->rhsalias[i] ){
      if( i>0 ){
        int j;
        if( rp->lhsalias && strcmp(rp->lhsalias,rp->rhsalias[i])==0 ){
          ErrorMsg(lemp->filename,rp->ruleline,
            "%s(%s) has the same label as the LHS but is not the left-most "
            "symbol on the RHS.",
            rp->rhs[i]->name, rp->rhsalias);
          lemp->errorcnt++;
        }
        for(j=0; j<i; j++){
          if( rp->rhsalias[j] && strcmp(rp->rhsalias[j],rp->rhsalias[i])==0 ){
            ErrorMsg(lemp->filename,rp->ruleline,
              "Label %s used for multiple symbols on the RHS of a rule.",
              rp->rhsalias[i]);








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3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858

    if( rp->rhsalias[i] ){
      if( i>0 ){
        int j;
        if( rp->lhsalias && strcmp(rp->lhsalias,rp->rhsalias[i])==0 ){
          ErrorMsg(lemp->filename,rp->ruleline,
            "%s(%s) has the same label as the LHS but is not the left-most "
            "symbol on the RHS.",
            rp->rhs[i]->name, rp->rhsalias[i]);
          lemp->errorcnt++;
        }
        for(j=0; j<i; j++){
          if( rp->rhsalias[j] && strcmp(rp->rhsalias[j],rp->rhsalias[i])==0 ){
            ErrorMsg(lemp->filename,rp->ruleline,
              "Label %s used for multiple symbols on the RHS of a rule.",
              rp->rhsalias[i]);
︙︙