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* data/c.m4 (yydestruct, yysymprint):

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Use YYUSE instead of casting to void.
* data/glr.c (YYUSE): New macro.
(yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
Use it instead of rolling our own.
(YYLLOC_DEFAULT, YYCHK, YYDPRINTF, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
(YYCHK1):
Use /*CONSTCOND*/ to suppress lint warnings.
* data/lalr1.cc (YYLLOC_DEFAULT, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
(YY_STACK_PRINT): Use 'false' not '0'.
(YYUSE): New macro.
(yysymprint_, yydestruct_): Use it instead of rolling our own.
* data/yacc.c (YYUSE): New macro.
(YYCOPY, YYSTACK_RELOCATE, YYBACKUP, YYLLOC_DEFAULT):
(YYDPRINTF, YY_SYMBOL_PRINT, YY_STACK_PRINT, YY_REDUCE_PRINT):
(yyerrorlab): Use /*CONSTCOND*/ to suppress lint warnings.
This commit is contained in:
Paul Eggert
2005-10-06 07:17:21 +00:00
parent 74e543d21f
commit 2a4647a32f
5 changed files with 62 additions and 40 deletions
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21
data/yacc.c
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@@ -246,6 +246,9 @@ b4_syncline([@oline@], [@ofile@])[
# endif
#endif
/* Suppress unused-variable warnings by "using" E. */
#define YYUSE(e) do {;} while (/*CONSTCOND*/ 0 && (e))
#if ! defined (yyoverflow) || YYERROR_VERBOSE
/* The parser invokes alloca or malloc; define the necessary symbols. */
@@ -355,7 +358,7 @@ union yyalloc
for (yyi = 0; yyi < (Count); yyi++) \
(To)[yyi] = (From)[yyi]; \
} \
while (0)
while (/*CONSTCOND*/ 0)
# endif
# endif
@@ -373,7 +376,7 @@ union yyalloc
yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
yyptr += yynewbytes / sizeof (*yyptr); \
} \
while (0)
while (/*CONSTCOND*/ 0)
#endif
@@ -544,7 +547,7 @@ do \
yyerror (]b4_yyerror_args[YY_("syntax error: cannot back up")); \
YYERROR; \
} \
while (0)
while (/*CONSTCOND*/ 0)
#define YYTERROR 1
@@ -573,7 +576,7 @@ while (0)
(Current).first_column = (Current).last_column = \
YYRHSLOC (Rhs, 0).last_column; \
} \
while (0)
while (/*CONSTCOND*/ 0)
#endif
@@ -613,7 +616,7 @@ while (0)
do { \
if (yydebug) \
YYFPRINTF Args; \
} while (0)
} while (/*CONSTCOND*/ 0)
# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
do { \
@@ -624,7 +627,7 @@ do { \
Type, Value]b4_location_if([, Location])[); \
YYFPRINTF (stderr, "\n"); \
} \
} while (0)
} while (/*CONSTCOND*/ 0)
/*------------------------------------------------------------------.
| yy_stack_print -- Print the state stack from its BOTTOM up to its |
@@ -645,7 +648,7 @@ do { \
do { \
if (yydebug) \
yy_stack_print ((Bottom), (Top)); \
} while (0)
} while (/*CONSTCOND*/ 0)
/*------------------------------------------------.
@@ -669,7 +672,7 @@ do { \
do { \
if (yydebug) \
yy_reduce_print (Rule); \
} while (0)
} while (/*CONSTCOND*/ 0)
/* Nonzero means print parse trace. It is left uninitialized so that
multiple parsers can coexist. */
@@ -1351,7 +1354,7 @@ yyerrorlab:
/* Pacify compilers like GCC when the user code never invokes
YYERROR and the label yyerrorlab therefore never appears in user
code. */
if (0)
if (/*CONSTCOND*/ 0)
goto yyerrorlab;
]b4_location_if([[ yyerror_range[0] = yylsp[1-yylen];