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(yyparse): Rewrite to avoid "comparison is always true due to limited

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range of data type" warning from GCC in synclines.at test.
This commit is contained in:
Paul Eggert
2002-10-14 06:54:41 +00:00
parent cc0f0794b8
commit e5cfd9d8af
1 changed files with 7 additions and 15 deletions
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22
data/yacc.c
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@@ -918,27 +918,19 @@ yybackup:
YYDPRINTF ((stderr, "\n")); YYDPRINTF ((stderr, "\n"));
} }
/* Set YYN to the action to take in STATE on seeing token YYCHAR1. /* If the proper action on seeing token YYCHAR1 is to reduce or to
Result YYN means detect an error, take that action. */
- YYN < 0: Reduce on rule -YYN.
- YYN = 0: Error.
- YYN > 0: Shift to state YYN. */
yyn += yychar1; yyn += yychar1;
if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yychar1) if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yychar1)
/* Defaulted action (reduction). */ goto yydefault;
yyn = -yydefact[yystate]; yyn = yytable[yyn];
else if (yytable[yyn] != YYTABLE_NINF) if (yyn <= 0)
yyn = yytable[yyn];
else
yyn = 0;
if (yyn < 0)
{ {
if (yyn == 0 || yyn == YYTABLE_NINF)
goto yyerrlab;
yyn = -yyn; yyn = -yyn;
goto yyreduce; goto yyreduce;
} }
else if (yyn == 0)
goto yyerrlab;
if (yyn == YYFINAL) if (yyn == YYFINAL)
YYACCEPT; YYACCEPT;