/* The lookahead symbol. */
int yychar;
+]b4_pure_if([[
+#if defined __GNUC__ && 407 <= __GNUC__ * 100 + __GNUC_MINOR__
+/* Suppress an incorrect diagnostic about yylval being uninitialized. */
+# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
+ _Pragma ("GCC diagnostic push") \
+ _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\
+ _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
+# define YY_IGNORE_MAYBE_UNINITIALIZED_END \
+ _Pragma ("GCC diagnostic pop")
+#else
+/* Default value used for initialization, for pacifying older GCCs
+ or non-GCC compilers. */
+static YYSTYPE yyval_default;
+# define YY_INITIAL_VALUE(Value) = Value
+#endif]])[
+#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+# define YY_IGNORE_MAYBE_UNINITIALIZED_END
+#endif
+#ifndef YY_INITIAL_VALUE
+# define YY_INITIAL_VALUE(Value) /* Nothing. */
+#endif
+
/* The semantic value of the lookahead symbol. */
-YYSTYPE yylval;]b4_locations_if([[
+YYSTYPE yylval YY_INITIAL_VALUE(yyval_default);]b4_locations_if([[
/* Location data for the lookahead symbol. */
-YYLTYPE yylloc;]])b4_pure_if([], [[
+YYLTYPE yylloc][]b4_yyloc_default[;
+]])b4_pure_if([], [[
/* Number of syntax errors so far. */
int yynerrs;]])])
[[b4_prefix[pstate *ps]], [[ps]]]b4_pure_if([,
[[[int pushed_char]], [[pushed_char]]],
[[b4_api_PREFIX[STYPE const *pushed_val]], [[pushed_val]]]b4_locations_if([,
- [[b4_api_PREFIX[LTYPE const *pushed_loc]], [[pushed_loc]]]])])m4_ifset([b4_parse_param], [,
+ [[b4_api_PREFIX[LTYPE *pushed_loc]], [[pushed_loc]]]])])m4_ifset([b4_parse_param], [,
b4_parse_param]))
b4_pull_if([b4_c_function_decl([b4_prefix[pull_parse]], [[int]],
[[b4_prefix[pstate *ps]], [[ps]]]m4_ifset([b4_parse_param], [,
} \
while (YYID (0))
-
+/* Error token number */
#define YYTERROR 1
#define YYERRCODE 256
+]b4_locations_if([[
]b4_yylloc_default_define[
#define YYRHSLOC(Rhs, K) ((Rhs)[K])
-]b4_locations_if([[
-
-
-/* YY_LOCATION_PRINT -- Print the location on the stream.
- This macro was not mandated originally: define only if we know
- we won't break user code: when these are the locations we know. */
-
-#ifndef YY_LOCATION_PRINT
-# if defined ]b4_api_PREFIX[LTYPE_IS_TRIVIAL && ]b4_api_PREFIX[LTYPE_IS_TRIVIAL
-# define YY_LOCATION_PRINT(File, Loc) \
- fprintf (File, "%d.%d-%d.%d", \
- (Loc).first_line, (Loc).first_column, \
- (Loc).last_line, (Loc).last_column)
-# else
-# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
-# endif
-#endif]], [[
-
-
-/* This macro is provided for backward compatibility. */
-
-#ifndef YY_LOCATION_PRINT
-# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
-#endif]])[
-
+]])[
+]b4_yy_location_print_define[
/* YYLEX -- calling `yylex' with the right arguments. */
-
#ifdef YYLEX_PARAM
# define YYLEX yylex (]b4_pure_if([&yylval[]b4_locations_if([, &yylloc]), ])[YYLEX_PARAM)
#else
yypstate *yyps_local;]b4_pure_if([[
int yychar;
YYSTYPE yylval;]b4_locations_if([[
- YYLTYPE yylloc;]])])[
+ YYLTYPE yylloc][]b4_yyloc_default[;]])])[
if (yyps)
yyps_local = yyps;
else
[[[yypstate *yyps]], [[yyps]]]b4_pure_if([,
[[[int yypushed_char]], [[yypushed_char]]],
[[[YYSTYPE const *yypushed_val]], [[yypushed_val]]]b4_locations_if([,
- [[[YYLTYPE const *yypushed_loc]], [[yypushed_loc]]]])])m4_ifset([b4_parse_param], [,
+ [[[YYLTYPE *yypushed_loc]], [[yypushed_loc]]]])])m4_ifset([b4_parse_param], [,
b4_parse_param]))], [[
goto yyread_pushed_token;
}]])[
- yyss = yyssa;
- yyvs = yyvsa;]b4_locations_if([[
- yyls = yylsa;]])[
+ yyssp = yyss = yyssa;
+ yyvsp = yyvs = yyvsa;]b4_locations_if([[
+ yylsp = yyls = yylsa;]])[
yystacksize = YYINITDEPTH;]b4_lac_if([[
yyes = yyesa;
yyerrstatus = 0;
yynerrs = 0;
yychar = YYEMPTY; /* Cause a token to be read. */
-
- /* Initialize stack pointers.
- Waste one element of value and location stack
- so that they stay on the same level as the state stack.
- The wasted elements are never initialized. */
- yyssp = yyss;
- yyvsp = yyvs;]b4_locations_if([[
- yylsp = yyls;
-
-#if defined ]b4_api_PREFIX[LTYPE_IS_TRIVIAL && ]b4_api_PREFIX[LTYPE_IS_TRIVIAL
- /* Initialize the default location before parsing starts. */
- yylloc.first_line = yylloc.last_line = ]b4_location_initial_line[;
- yylloc.first_column = yylloc.last_column = ]b4_location_initial_column[;
-#endif]])
-m4_ifdef([b4_initial_action],[
+]m4_ifdef([b4_initial_action], [
b4_dollar_pushdef([m4_define([b4_dollar_dollar_used])yylval], [],
- [m4_define([b4_at_dollar_used])yylloc])dnl
+ [m4_define([b4_at_dollar_used])dnl
+b4_push_if([b4_pure_if([*])yypushed_loc], [yylloc])])dnl
/* User initialization code. */
b4_user_initial_action
b4_dollar_popdef[]dnl
m4_ifdef([b4_dollar_dollar_used],[[ yyvsp[0] = yylval;
-]])dnl
-m4_ifdef([b4_at_dollar_used], [[ yylsp[0] = yylloc;
]])])dnl
+b4_locations_if([[ yylsp[0] = ]b4_push_if([b4_pure_if([*])yypushed_loc], [yylloc])[;
+]])dnl
[ goto yysetstate;
/*------------------------------------------------------------.
YY_LAC_DISCARD ("shift");]])[
yystate = yyn;
+ YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
*++yyvsp = yylval;
+ YY_IGNORE_MAYBE_UNINITIALIZED_END
]b4_locations_if([ *++yylsp = yylloc;])[
goto yynewstate;
current lookahead token, the shift below will for sure. */
YY_LAC_DISCARD ("error recovery");]])[
+ YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
*++yyvsp = yylval;
+ YY_IGNORE_MAYBE_UNINITIALIZED_END
]b4_locations_if([[
yyerror_range[2] = yylloc;
/* Using YYLLOC is tempting, but would change the location of
projects / bison.git / blobdiff