# along with this program. If not, see <http://www.gnu.org/licenses/>.
-m4_include(b4_pkgdatadir/[c.m4])
+# If we are loaded by glr.cc, do not override c++.m4 definitions by
+# those of c.m4.
+m4_if(b4_skeleton, ["glr.c"],
+ [m4_include(b4_pkgdatadir/[c.m4])])
## ---------------- ##
## Default values. ##
# This is not shared with yacc.c in c.m4 because GLR relies on ISO C
# formal argument declarations.
m4_define([b4_user_formals],
-[m4_ifset([b4_parse_param], [, b4_c_ansi_formals(b4_parse_param)])])
+[m4_ifset([b4_parse_param], [, b4_formals(b4_parse_param)])])
# b4_lex_param
# a trailing comma.
m4_define([b4_yyerror_args],
[b4_pure_if([b4_locations_if([yylocp, ])])dnl
-m4_ifset([b4_parse_param], [b4_c_args(b4_parse_param), ])])
+m4_ifset([b4_parse_param], [b4_args(b4_parse_param), ])])
# b4_lyyerror_args
# Same as above, but on the lookahead, hence &yylloc instead of yylocp.
m4_define([b4_lyyerror_args],
[b4_pure_if([b4_locations_if([&yylloc, ])])dnl
-m4_ifset([b4_parse_param], [b4_c_args(b4_parse_param), ])])
+m4_ifset([b4_parse_param], [b4_args(b4_parse_param), ])])
# b4_pure_args
[(b4_rhs_data([$1], [$2]).yyloc)])
+## -------------- ##
+## Declarations. ##
+## -------------- ##
+
+# b4_shared_declarations
+# ----------------------
+# Declaration that might either go into the header (if --defines)
+# or open coded in the parser body.
+m4_define([b4_shared_declarations],
+[b4_declare_yydebug[
+]b4_percent_code_get([[requires]])[
+]b4_token_enums[
+]b4_declare_yylstype[
+]b4_function_declare(b4_prefix[parse], [int], b4_parse_param)[
+]b4_percent_code_get([[provides]])[]dnl
+])
+
## -------------- ##
## Output files. ##
]b4_identification
-b4_percent_code_get([[top]])[]dnl
-m4_if(b4_prefix, [yy], [],
-[/* Substitute the variable and function names. */
-#define yyparse b4_prefix[]parse
-#define yylex b4_prefix[]lex
-#define yyerror b4_prefix[]error
-#define yylval b4_prefix[]lval
-#define yychar b4_prefix[]char
-#define yydebug b4_prefix[]debug
-#define yynerrs b4_prefix[]nerrs
-#define yylloc b4_prefix[]lloc])[
-
-/* Copy the first part of user declarations. */
-]b4_user_pre_prologue
-
-b4_null_define
-
-dnl # b4_shared_declarations
-dnl # ----------------------
-dnl # Declaration that might either go into the header (if --defines)
-dnl # or open coded in the parser body.
-m4_define([b4_shared_declarations],
-[b4_percent_code_get([[requires]])[]dnl
-
-b4_token_enums(b4_tokens)
-
-[#ifndef YYSTYPE
-]m4_ifdef([b4_stype],
-[[typedef union ]b4_union_name[
-{
-]b4_user_stype[
-} YYSTYPE;
-# define YYSTYPE_IS_TRIVIAL 1]],
-[m4_if(b4_tag_seen_flag, 0,
-[[typedef int YYSTYPE;
-# define YYSTYPE_IS_TRIVIAL 1]])])[
-#endif
-]b4_locations_if([[
-#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
-typedef struct YYLTYPE
-{
- int first_line;
- int first_column;
- int last_line;
- int last_column;
-} YYLTYPE;
-# define YYLTYPE_IS_DECLARED 1
-# define YYLTYPE_IS_TRIVIAL 1
-#endif
-]])[
-]b4_percent_code_get([[provides]])[]dnl
-])
-
-b4_defines_if([[#include "@basename(]b4_spec_defines_file[@)"]],
- [b4_shared_declarations])[
-
-/* Enabling traces. */
-#ifndef YYDEBUG
-# define YYDEBUG ]b4_parse_trace_if([1], [0])[
-#endif
+b4_percent_code_get([[top]])[
+]m4_if(b4_api_prefix, [yy], [],
+[[/* Substitute the type names. */
+#define YYSTYPE ]b4_api_PREFIX[STYPE]b4_locations_if([[
+#define YYLTYPE ]b4_api_PREFIX[LTYPE]])])[
+]m4_if(b4_prefix, [yy], [],
+[[/* Substitute the variable and function names. */
+#define yyparse ]b4_prefix[parse
+#define yylex ]b4_prefix[lex
+#define yyerror ]b4_prefix[error
+#define yylval ]b4_prefix[lval
+#define yychar ]b4_prefix[char
+#define yydebug ]b4_prefix[debug
+#define yynerrs ]b4_prefix[nerrs]b4_locations_if([[
+#define yylloc ]b4_prefix[lloc]])])[
+
+/* First part of user declarations. */
+]b4_user_pre_prologue[
+
+]b4_null_define[
+
+]b4_defines_if([[#include "@basename(]b4_spec_defines_file[@)"]],
+ [b4_shared_declarations])[
/* Enabling verbose error messages. */
#ifdef YYERROR_VERBOSE
# define YYERROR_VERBOSE ]b4_error_verbose_if([1], [0])[
#endif
-/* Enabling the token table. */
-#ifndef YYTOKEN_TABLE
-# define YYTOKEN_TABLE ]b4_token_table[
-#endif
-
/* Default (constant) value used for initialization for null
right-hand sides. Unlike the standard yacc.c template,
here we set the default value of $$ to a zeroed-out value.
#ifndef lint
# define YYID(n) (n)
#else
-]b4_c_function_def([YYID], [static int], [[int i], [i]])[
+]b4_function_define([YYID], [static int], [[int i], [i]])[
{
return i;
}
]b4_translate[
};
-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG
/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
static const ]b4_int_type_for([b4_rline])[ yyrline[] =
{
};
#endif
-#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
+#if ]b4_api_PREFIX[DEBUG || YYERROR_VERBOSE || ]b4_token_table_flag[
/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
First, the terminals, then, starting at YYNTOKENS, nonterminals. */
static const char *const yytname[] =
]b4_conflicting_rules[
};
\f
-/* Prevent warning if -Wmissing-prototypes. */
-]b4_c_ansi_function_decl([yyparse], [int], b4_parse_param)[
-
/* Error token number */
#define YYTERROR 1
-/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
- If N is 0, then set CURRENT to the empty location which ends
- the previous symbol: RHS[0] (always defined). */
-
]b4_locations_if([[
-#define YYRHSLOC(Rhs, K) ((Rhs)[K].yystate.yyloc)
#ifndef YYLLOC_DEFAULT
-# define YYLLOC_DEFAULT(Current, Rhs, N) \
- do \
- if (YYID (N)) \
- { \
- (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
- (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
- (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
- (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
- } \
- else \
- { \
- (Current).first_line = (Current).last_line = \
- YYRHSLOC (Rhs, 0).last_line; \
- (Current).first_column = (Current).last_column = \
- YYRHSLOC (Rhs, 0).last_column; \
- } \
- while (YYID (0))
+]b4_yylloc_default_define[
+# define YYRHSLOC(Rhs, K) ((Rhs)[K].yystate.yyloc)
/* YY_LOCATION_PRINT -- Print the location on the stream.
This macro was not mandated originally: define only if we know
# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
#endif
-
/* YYLEX -- calling `yylex' with the right arguments. */
-#define YYLEX ]b4_c_function_call([yylex], [int], b4_lex_param)[
+#define YYLEX ]b4_function_call([yylex], [int], b4_lex_param)[
]b4_pure_if(
[
return yychk_flag; \
} while (YYID (0))
-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG
# ifndef YYFPRINTF
# define YYFPRINTF fprintf
YYFPRINTF Args; \
} while (YYID (0))
-]b4_yy_symbol_print_generate([b4_c_ansi_function_def])[
+]b4_yy_symbol_print_generate[
# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
do { \
multiple parsers can coexist. */
int yydebug;
-#else /* !YYDEBUG */
+#else /* !]b4_api_PREFIX[DEBUG */
# define YYDPRINTF(Args)
# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
-#endif /* !YYDEBUG */
+#endif /* !]b4_api_PREFIX[DEBUG */
/* YYINITDEPTH -- initial size of the parser's stacks. */
#ifndef YYINITDEPTH
YYLONGJMP (yystackp->yyexception_buffer, 2);
}
-#if YYDEBUG || YYERROR_VERBOSE
+#if ]b4_api_PREFIX[DEBUG || YYERROR_VERBOSE
/** A printable representation of TOKEN. */
static inline const char*
yytokenName (yySymbol yytoken)
yyGLRState *s = yyvsp[yylow0].yystate.yypred;
for (i = yylow0-1; i >= yylow1; i -= 1)
{
-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG
yyvsp[i].yystate.yylrState = s->yylrState;
#endif
yyvsp[i].yystate.yyresolved = s->yyresolved;
/* Bison grammar-table manipulation. */
-]b4_yydestruct_generate([b4_c_ansi_function_def])[
+]b4_yydestruct_generate[
/** Number of symbols composing the right hand side of rule #RULE. */
static inline int
&yys->yysemantics.yysval]b4_locuser_args([&yys->yyloc])[);
else
{
-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG
if (yydebug)
{
if (yys->yysemantics.yyfirstVal)
yyaddDeferredAction (yystackp, yyk, yynewState, yyrhs, yyrule);
}
-#if !YYDEBUG
+#if !]b4_api_PREFIX[DEBUG
# define YY_REDUCE_PRINT(Args)
#else
# define YY_REDUCE_PRINT(Args) \
return yyflag;
}
-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG
static void
yyreportTree (yySemanticOption* yyx, int yyindent)
{
YYUSE (yyx0);
YYUSE (yyx1);
-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG
YYFPRINTF (stderr, "Ambiguity detected.\n");
YYFPRINTF (stderr, "Option 1,\n");
yyreportTree (yyx0, 2);
| yyparse. |
`----------*/
-]b4_c_ansi_function_def([yyparse], [int], b4_parse_param)[
+]b4_function_define([yyparse], [int], b4_parse_param)[
{
int yyresult;
yyGLRStack yystack;
yychar = YYEMPTY;
yylval = yyval_default;
]b4_locations_if([
-#if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
+#if defined ]b4_api_PREFIX[LTYPE_IS_TRIVIAL && ]b4_api_PREFIX[LTYPE_IS_TRIVIAL
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_pushdef([b4_at_dollar], [yylloc])dnl
-m4_pushdef([b4_dollar_dollar], [yylval])dnl
+b4_dollar_pushdef([yylval], [], [yylloc])dnl
/* User initialization code. */
b4_user_initial_action
-m4_popdef([b4_dollar_dollar])dnl
-m4_popdef([b4_at_dollar])])dnl
+b4_dollar_popdef])[]dnl
[
if (! yyinitGLRStack (yystackp, YYINITDEPTH))
goto yyexhaustedlab;
}
/* DEBUGGING ONLY */
-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG
static void yypstack (yyGLRStack* yystackp, size_t yyk)
__attribute__ ((__unused__));
static void yypdumpstack (yyGLRStack* yystackp) __attribute__ ((__unused__));
[b4_defines_if(
[@output(b4_spec_defines_file@)@
b4_copyright([Skeleton interface for Bison GLR parsers in C],
- [2002-2012])
+ [2002-2012])[
-b4_shared_declarations
-
-b4_pure_if([],
-[[extern YYSTYPE ]b4_prefix[lval;]])
-
-b4_locations_if([b4_pure_if([],
-[extern YYLTYPE ]b4_prefix[lloc;])
-])
-])])[]dnl
+]b4_cpp_guard_open([b4_spec_defines_file])[
+]b4_shared_declarations[
+]b4_cpp_guard_close([b4_spec_defines_file])[
+]])])
m4_divert_pop(0)
projects / bison.git / blobdiff