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(yyreturn): Don't pop stack if yyinitStateSet failed,

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as the stack isn't valid in that case.
This commit is contained in:
Paul Eggert
2005-07-20 21:43:32 +00:00
parent dc9701e848
commit 6fdb09caac
1 changed files with 15 additions and 11 deletions
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14
data/glr.c
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@@ -2107,17 +2107,21 @@ b4_syncline([@oline@], [@ofile@])])dnl
yytoken, yylvalp]b4_location_if([, yyllocp])[); yytoken, yylvalp]b4_location_if([, yyllocp])[);
/* Now pop stack until empty, destroying its entries as we go. */ /* Now pop stack until empty, destroying its entries as we go. */
while (yystack.yytops.yystates[0] != NULL)
{ {
yyGLRState *yys = yystack.yytops.yystates[0]; yyGLRState** yystates = yystack.yytops.yystates;
]b4_location_if([[ yystack.yyerror_range[1].yystate.yyloc = yys->yyloc;]])[ if (yystates)
yydestruct ("Error: popping", while (yystates[0])
{
yyGLRState *yys = yystates[0];
]b4_location_if([[ yystack.yyerror_range[1].yystate.yyloc = yys->yyloc;]]
)[ yydestruct ("Error: popping",
yystos[yys->yylrState], yystos[yys->yylrState],
&yys->yysemantics.yysval]b4_location_if([, &yys->yyloc])[); &yys->yysemantics.yysval]b4_location_if([, &yys->yyloc])[);
yystack.yytops.yystates[0] = yys->yypred; yystates[0] = yys->yypred;
yystack.yynextFree -= 1; yystack.yynextFree -= 1;
yystack.yyspaceLeft += 1; yystack.yyspaceLeft += 1;
} }
}
yyfreeGLRStack (&yystack); yyfreeGLRStack (&yystack);
return yyresult; return yyresult;