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Lemon update 2010-02-17 20:31:32 on branch lemon-update-2010

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- Report error if the grammar has multiple %type lines for the same nonterminal.
This commit is contained in:
Randy Heit 2016-03-20 09:56:17 -05:00
parent 3d7a8e8348
commit 54ff482d8f
1 changed files with 14 additions and 4 deletions
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18
tools/lemon/lemon.c
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@ -2291,10 +2291,20 @@ to follow the previous rule.");
psp->errorcnt++;
psp->state = RESYNC_AFTER_DECL_ERROR;
}else{
struct symbol *sp = Symbol_new(x);
psp->declargslot = &sp->datatype;
psp->insertLineMacro = 0;
psp->state = WAITING_FOR_DECL_ARG;
struct symbol *sp = Symbol_find(x);
if((sp) && (sp->datatype)){
ErrorMsg(psp->filename,psp->tokenlineno,
"Symbol %%type \"%s\" already defined", x);
psp->errorcnt++;
psp->state = RESYNC_AFTER_DECL_ERROR;
}else{
if (!sp){
sp = Symbol_new(x);
}
psp->declargslot = &sp->datatype;
psp->insertLineMacro = 0;
psp->state = WAITING_FOR_DECL_ARG;
}
}
break;
case WAITING_FOR_PRECEDENCE_SYMBOL: