# 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_pure_if([b4_locations_if([, &yylloc])])[]b4_user_args])
+
# b4_pure_formals
# ---------------
-# Arguments passed to yyerror: user formals plus yylocp.
+# Arguments passed to yyerror: user formals plus yylocp with leading comma.
m4_define([b4_pure_formals],
[b4_pure_if([b4_locations_if([, YYLTYPE *yylocp])])[]b4_user_formals])
+# b4_locuser_formals(LOC = yylocp)
+# --------------------------------
+m4_define([b4_locuser_formals],
+[b4_locations_if([, YYLTYPE *m4_default([$1], [yylocp])])[]b4_user_formals])
+
+
+# b4_locuser_args(LOC = yylocp)
+# -----------------------------
+m4_define([b4_locuser_args],
+[b4_locations_if([, m4_default([$1], [yylocp])])[]b4_user_args])
+
+
+
## ----------------- ##
## Semantic Values. ##
## ----------------- ##
[(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
-
-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
-
-#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
-typedef struct YYLTYPE
-{
-]b4_locations_if([
- int first_line;
- int first_column;
- int last_line;
- int last_column;
-],[
- char yydummy;
-])[
-} 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;
}
#ifndef __attribute__
/* This feature is available in gcc versions 2.5 and later. */
# if (! defined __GNUC__ || __GNUC__ < 2 \
- || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) \
- || (defined __STRICT_ANSI__ && __STRICT_ANSI__))
+ || (__GNUC__ == 2 && __GNUC_MINOR__ < 5))
# define __attribute__(Spec) /* empty */
# endif
#endif
]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(
[
#define b4_prefix[]char yychar
#define b4_prefix[]lval yylval
#define b4_prefix[]lloc yylloc])],
-[YYSTYPE yylval;
-
-YYLTYPE yylloc;
+[YYSTYPE yylval;]b4_locations_if([[
+YYLTYPE yylloc;]])[
int yynerrs;
int yychar;])[
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 { \
if (yydebug) \
{ \
YYFPRINTF (stderr, "%s ", Title); \
- yy_symbol_print (stderr, Type, \
- Value]b4_locations_if([, Location])[]b4_user_args[); \
+ yy_symbol_print (stderr, Type, Value]b4_locuser_args([Location])[); \
YYFPRINTF (stderr, "\n"); \
} \
} while (YYID (0))
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
yySemanticOption* yyfirstVal;
/** Semantic value for this state. */
YYSTYPE yysval;
- } yysemantics;
+ } yysemantics;]b4_locations_if([[
/** Source location for this state. */
- YYLTYPE yyloc;
+ YYLTYPE yyloc;]])[
};
struct yyGLRStateSet {
yyGLRState* yystate;
/** The lookahead for this reduction. */
int yyrawchar;
- YYSTYPE yyval;
- YYLTYPE yyloc;
+ YYSTYPE yyval;]b4_locations_if([[
+ YYLTYPE yyloc;]])[
/** Next sibling in chain of options. To facilitate merging,
* options are chained in decreasing order by address. */
yySemanticOption* yynext;
[
int yyerrcnt;
int yyrawchar;
- YYSTYPE yyval;
- YYLTYPE yyloc;
+ YYSTYPE yyval;]b4_locations_if([[
+ YYLTYPE yyloc;]])[
])[
YYJMP_BUF yyexception_buffer;
yyGLRStackItem* yyitems;
static void
yyFail (yyGLRStack* yystackp]b4_pure_formals[, const char* yymsg)
{
- if (yymsg != NULL)
+ if (yymsg != YY_NULL)
yyerror (]b4_yyerror_args[yymsg);
YYLONGJMP (yystackp->yyexception_buffer, 1);
}
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)
static void
yyfillin (yyGLRStackItem *yyvsp, int yylow0, int yylow1)
{
- yyGLRState* s;
int i;
- s = yyvsp[yylow0].yystate.yypred;
+ 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;
else
/* The effect of using yysval or yyloc (in an immediate rule) is
* undefined. */
- yyvsp[i].yystate.yysemantics.yyfirstVal = NULL;
- yyvsp[i].yystate.yyloc = s->yyloc;
+ yyvsp[i].yystate.yysemantics.yyfirstVal = YY_NULL;]b4_locations_if([[
+ yyvsp[i].yystate.yyloc = s->yyloc;]])[
s = yyvsp[i].yystate.yypred = s->yypred;
}
}
* yyerr for YYERROR, yyabort for YYABORT. */
/*ARGSUSED*/ static YYRESULTTAG
yyuserAction (yyRuleNum yyn, int yyrhslen, yyGLRStackItem* yyvsp,
- YYSTYPE* yyvalp,
- YYLTYPE* YYOPTIONAL_LOC (yylocp),
- yyGLRStack* yystackp
- ]b4_user_formals[)
+ yyGLRStack* yystackp,
+ YYSTYPE* yyvalp]b4_locuser_formals[)
{
yybool yynormal __attribute__ ((__unused__)) =
- (yystackp->yysplitPoint == NULL);
+ (yystackp->yysplitPoint == YY_NULL);
int yylow;
-]b4_parse_param_use([yyvalp], [yylocp])[
-# undef yyerrok
+]b4_parse_param_use([yyvalp], [yylocp])dnl
+[# undef yyerrok
# define yyerrok (yystackp->yyerrState = 0)
# undef YYACCEPT
# define YYACCEPT return yyaccept
if (yyrhslen == 0)
*yyvalp = yyval_default;
else
- *yyvalp = yyvsp[YYFILL (1-yyrhslen)].yystate.yysemantics.yysval;
+ *yyvalp = yyvsp[YYFILL (1-yyrhslen)].yystate.yysemantics.yysval;]b4_locations_if([[
YYLLOC_DEFAULT ((*yylocp), (yyvsp - yyrhslen), yyrhslen);
-]b4_locations_if([[ yystackp->yyerror_range[1].yystate.yyloc = *yylocp;
+ yystackp->yyerror_range[1].yystate.yyloc = *yylocp;
]])[
switch (yyn)
{
/* 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
{
if (yys->yyresolved)
yydestruct (yymsg, yystos[yys->yylrState],
- &yys->yysemantics.yysval]b4_locations_if([, &yys->yyloc])[]b4_user_args[);
+ &yys->yysemantics.yysval]b4_locuser_args([&yys->yyloc])[);
else
{
-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG
if (yydebug)
{
if (yys->yysemantics.yyfirstVal)
else
YYFPRINTF (stderr, "%s incomplete ", yymsg);
yy_symbol_print (stderr, yystos[yys->yylrState],
- NULL]b4_locations_if([, &yys->yyloc])[]b4_user_args[);
+ YY_NULL]b4_locuser_args([&yys->yyloc])[);
YYFPRINTF (stderr, "\n");
}
#endif
if (yystackp->yytops.yylookaheadNeeds[yyk])
{
yynewOption->yyrawchar = yychar;
- yynewOption->yyval = yylval;
- yynewOption->yyloc = yylloc;
+ yynewOption->yyval = yylval;]b4_locations_if([
+ yynewOption->yyloc = yylloc;])[
}
else
yynewOption->yyrawchar = YYEMPTY;
yyset->yystates = (yyGLRState**) YYMALLOC (16 * sizeof yyset->yystates[0]);
if (! yyset->yystates)
return yyfalse;
- yyset->yystates[0] = NULL;
+ yyset->yystates[0] = YY_NULL;
yyset->yylookaheadNeeds =
(yybool*) YYMALLOC (16 * sizeof yyset->yylookaheadNeeds[0]);
if (! yyset->yylookaheadNeeds)
if (!yystackp->yyitems)
return yyfalse;
yystackp->yynextFree = yystackp->yyitems;
- yystackp->yysplitPoint = NULL;
- yystackp->yylastDeleted = NULL;
+ yystackp->yysplitPoint = YY_NULL;
+ yystackp->yylastDeleted = YY_NULL;
return yyinitStateSet (&yystackp->yytops);
}
{
yyGLRStackItem* yynewItems;
yyGLRStackItem* yyp0, *yyp1;
- size_t yysize, yynewSize;
+ size_t yynewSize;
size_t yyn;
- yysize = yystackp->yynextFree - yystackp->yyitems;
+ size_t yysize = yystackp->yynextFree - yystackp->yyitems;
if (YYMAXDEPTH - YYHEADROOM < yysize)
yyMemoryExhausted (yystackp);
yynewSize = 2*yysize;
{
yyGLRState* yys0 = &yyp0->yystate;
yyGLRState* yys1 = &yyp1->yystate;
- if (yys0->yypred != NULL)
+ if (yys0->yypred != YY_NULL)
yys1->yypred =
YYRELOC (yyp0, yyp1, yys0->yypred, yystate);
- if (! yys0->yyresolved && yys0->yysemantics.yyfirstVal != NULL)
+ if (! yys0->yyresolved && yys0->yysemantics.yyfirstVal != YY_NULL)
yys1->yysemantics.yyfirstVal =
- YYRELOC(yyp0, yyp1, yys0->yysemantics.yyfirstVal, yyoption);
+ YYRELOC (yyp0, yyp1, yys0->yysemantics.yyfirstVal, yyoption);
}
else
{
yySemanticOption* yyv0 = &yyp0->yyoption;
yySemanticOption* yyv1 = &yyp1->yyoption;
- if (yyv0->yystate != NULL)
+ if (yyv0->yystate != YY_NULL)
yyv1->yystate = YYRELOC (yyp0, yyp1, yyv0->yystate, yystate);
- if (yyv0->yynext != NULL)
+ if (yyv0->yynext != YY_NULL)
yyv1->yynext = YYRELOC (yyp0, yyp1, yyv0->yynext, yyoption);
}
}
- if (yystackp->yysplitPoint != NULL)
+ if (yystackp->yysplitPoint != YY_NULL)
yystackp->yysplitPoint = YYRELOC (yystackp->yyitems, yynewItems,
yystackp->yysplitPoint, yystate);
for (yyn = 0; yyn < yystackp->yytops.yysize; yyn += 1)
- if (yystackp->yytops.yystates[yyn] != NULL)
+ if (yystackp->yytops.yystates[yyn] != YY_NULL)
yystackp->yytops.yystates[yyn] =
YYRELOC (yystackp->yyitems, yynewItems,
yystackp->yytops.yystates[yyn], yystate);
static inline void
yyupdateSplit (yyGLRStack* yystackp, yyGLRState* yys)
{
- if (yystackp->yysplitPoint != NULL && yystackp->yysplitPoint > yys)
+ if (yystackp->yysplitPoint != YY_NULL && yystackp->yysplitPoint > yys)
yystackp->yysplitPoint = yys;
}
static inline void
yymarkStackDeleted (yyGLRStack* yystackp, size_t yyk)
{
- if (yystackp->yytops.yystates[yyk] != NULL)
+ if (yystackp->yytops.yystates[yyk] != YY_NULL)
yystackp->yylastDeleted = yystackp->yytops.yystates[yyk];
- yystackp->yytops.yystates[yyk] = NULL;
+ yystackp->yytops.yystates[yyk] = YY_NULL;
}
/** Undelete the last stack in *YYSTACKP that was marked as deleted. Can
static void
yyundeleteLastStack (yyGLRStack* yystackp)
{
- if (yystackp->yylastDeleted == NULL || yystackp->yytops.yysize != 0)
+ if (yystackp->yylastDeleted == YY_NULL || yystackp->yytops.yysize != 0)
return;
yystackp->yytops.yystates[0] = yystackp->yylastDeleted;
yystackp->yytops.yysize = 1;
YYDPRINTF ((stderr, "Restoring last deleted stack as stack #0.\n"));
- yystackp->yylastDeleted = NULL;
+ yystackp->yylastDeleted = YY_NULL;
}
static inline void
yyi = yyj = 0;
while (yyj < yystackp->yytops.yysize)
{
- if (yystackp->yytops.yystates[yyi] == NULL)
+ if (yystackp->yytops.yystates[yyi] == YY_NULL)
{
if (yyi == yyj)
{
static inline void
yyglrShift (yyGLRStack* yystackp, size_t yyk, yyStateNum yylrState,
size_t yyposn,
- YYSTYPE* yyvalp, YYLTYPE* yylocp)
+ YYSTYPE* yyvalp]b4_locations_if([, YYLTYPE* yylocp])[)
{
yyGLRState* yynewState = &yynewGLRStackItem (yystackp, yytrue)->yystate;
yynewState->yyposn = yyposn;
yynewState->yyresolved = yytrue;
yynewState->yypred = yystackp->yytops.yystates[yyk];
- yynewState->yysemantics.yysval = *yyvalp;
- yynewState->yyloc = *yylocp;
+ yynewState->yysemantics.yysval = *yyvalp;]b4_locations_if([
+ yynewState->yyloc = *yylocp;])[
yystackp->yytops.yystates[yyk] = yynewState;
YY_RESERVE_GLRSTACK (yystackp);
yynewState->yyposn = yyposn;
yynewState->yyresolved = yyfalse;
yynewState->yypred = yystackp->yytops.yystates[yyk];
- yynewState->yysemantics.yyfirstVal = NULL;
+ yynewState->yysemantics.yyfirstVal = YY_NULL;
yystackp->yytops.yystates[yyk] = yynewState;
/* Invokes YY_RESERVE_GLRSTACK. */
yyaddDeferredAction (yystackp, yyk, yynewState, yyrhs, yyrule);
}
-#if !YYDEBUG
+#if !]b4_api_PREFIX[DEBUG
# define YY_REDUCE_PRINT(Args)
#else
# define YY_REDUCE_PRINT(Args) \
* for userAction. */
static inline YYRESULTTAG
yydoAction (yyGLRStack* yystackp, size_t yyk, yyRuleNum yyrule,
- YYSTYPE* yyvalp, YYLTYPE* yylocp]b4_user_formals[)
+ YYSTYPE* yyvalp]b4_locuser_formals[)
{
int yynrhs = yyrhsLength (yyrule);
- if (yystackp->yysplitPoint == NULL)
+ if (yystackp->yysplitPoint == YY_NULL)
{
/* Standard special case: single stack. */
yyGLRStackItem* yyrhs = (yyGLRStackItem*) yystackp->yytops.yystates[yyk];
yystackp->yyspaceLeft += yynrhs;
yystackp->yytops.yystates[0] = & yystackp->yynextFree[-1].yystate;
YY_REDUCE_PRINT ((1, yyrhs, yyk, yyrule]b4_user_args[));
- return yyuserAction (yyrule, yynrhs, yyrhs,
- yyvalp, yylocp, yystackp]b4_user_args[);
+ return yyuserAction (yyrule, yynrhs, yyrhs, yystackp,
+ yyvalp]b4_locuser_args[);
}
else
{
yystackp->yytops.yystates[yyk] = yys;
YY_REDUCE_PRINT ((0, yyrhsVals + YYMAXRHS + YYMAXLEFT - 1, yyk, yyrule]b4_user_args[));
return yyuserAction (yyrule, yynrhs, yyrhsVals + YYMAXRHS + YYMAXLEFT - 1,
- yyvalp, yylocp, yystackp]b4_user_args[);
+ yystackp, yyvalp]b4_locuser_args[);
}
}
{
size_t yyposn = yystackp->yytops.yystates[yyk]->yyposn;
- if (yyforceEval || yystackp->yysplitPoint == NULL)
+ if (yyforceEval || yystackp->yysplitPoint == YY_NULL)
{
YYRESULTTAG yyflag;
- YYSTYPE yysval;
- YYLTYPE yyloc;
+ YYSTYPE yysval;]b4_locations_if([
+ YYLTYPE yyloc;])[
- yyflag = yydoAction (yystackp, yyk, yyrule, &yysval,
- &yyloc]b4_user_args[);
- if (yyflag == yyerr && yystackp->yysplitPoint != NULL)
+ yyflag = yydoAction (yystackp, yyk, yyrule, &yysval]b4_locuser_args([&yyloc])[);
+ if (yyflag == yyerr && yystackp->yysplitPoint != YY_NULL)
{
YYDPRINTF ((stderr, "Parse on stack %lu rejected by rule #%d.\n",
(unsigned long int) yyk, yyrule - 1));
yyglrShift (yystackp, yyk,
yyLRgotoState (yystackp->yytops.yystates[yyk]->yylrState,
yylhsNonterm (yyrule)),
- yyposn, &yysval, &yyloc);
+ yyposn, &yysval]b4_locations_if([, &yyloc])[);
}
else
{
"Now in state %d.\n",
(unsigned long int) yyk, yyrule - 1, yynewLRState));
for (yyi = 0; yyi < yystackp->yytops.yysize; yyi += 1)
- if (yyi != yyk && yystackp->yytops.yystates[yyi] != NULL)
+ if (yyi != yyk && yystackp->yytops.yystates[yyi] != YY_NULL)
{
- yyGLRState* yyp, *yysplit = yystackp->yysplitPoint;
- yyp = yystackp->yytops.yystates[yyi];
+ yyGLRState *yysplit = yystackp->yysplitPoint;
+ yyGLRState *yyp = yystackp->yytops.yystates[yyi];
while (yyp != yys && yyp != yysplit && yyp->yyposn >= yyposn)
{
if (yyp->yylrState == yynewLRState && yyp->yypred == yys)
static size_t
yysplitStack (yyGLRStack* yystackp, size_t yyk)
{
- if (yystackp->yysplitPoint == NULL)
+ if (yystackp->yysplitPoint == YY_NULL)
{
YYASSERT (yyk == 0);
yystackp->yysplitPoint = yystackp->yytops.yystates[yyk];
yyGLRState** yynewStates;
yybool* yynewLookaheadNeeds;
- yynewStates = NULL;
+ yynewStates = YY_NULL;
if (yystackp->yytops.yycapacity
> (YYSIZEMAX / (2 * sizeof yynewStates[0])))
(yyGLRState**) YYREALLOC (yystackp->yytops.yystates,
(yystackp->yytops.yycapacity
* sizeof yynewStates[0]));
- if (yynewStates == NULL)
+ if (yynewStates == YY_NULL)
yyMemoryExhausted (yystackp);
yystackp->yytops.yystates = yynewStates;
(yybool*) YYREALLOC (yystackp->yytops.yylookaheadNeeds,
(yystackp->yytops.yycapacity
* sizeof yynewLookaheadNeeds[0]));
- if (yynewLookaheadNeeds == NULL)
+ if (yynewLookaheadNeeds == YY_NULL)
yyMemoryExhausted (yystackp);
yystackp->yytops.yylookaheadNeeds = yynewLookaheadNeeds;
}
}
else
{
- yySemanticOption** yyz0p;
- yySemanticOption* yyz1;
- yyz0p = &yys0->yysemantics.yyfirstVal;
- yyz1 = yys1->yysemantics.yyfirstVal;
+ yySemanticOption** yyz0p = &yys0->yysemantics.yyfirstVal;
+ yySemanticOption* yyz1 = yys1->yysemantics.yyfirstVal;
while (YYID (yytrue))
{
- if (yyz1 == *yyz0p || yyz1 == NULL)
+ if (yyz1 == *yyz0p || yyz1 == YY_NULL)
break;
- else if (*yyz0p == NULL)
+ else if (*yyz0p == YY_NULL)
{
*yyz0p = yyz1;
break;
* semantic values if invoked). */
static YYRESULTTAG
yyresolveAction (yySemanticOption* yyopt, yyGLRStack* yystackp,
- YYSTYPE* yyvalp, YYLTYPE* yylocp]b4_user_formals[)
+ YYSTYPE* yyvalp]b4_locuser_formals[)
{
yyGLRStackItem yyrhsVals[YYMAXRHS + YYMAXLEFT + 1];
- int yynrhs;
- int yychar_current;
- YYSTYPE yylval_current;
- YYLTYPE yylloc_current;
- YYRESULTTAG yyflag;
-
- yynrhs = yyrhsLength (yyopt->yyrule);
- yyflag = yyresolveStates (yyopt->yystate, yynrhs, yystackp]b4_user_args[);
+ int yynrhs = yyrhsLength (yyopt->yyrule);
+ YYRESULTTAG yyflag =
+ yyresolveStates (yyopt->yystate, yynrhs, yystackp]b4_user_args[);
if (yyflag != yyok)
{
yyGLRState *yys;
if (yynrhs == 0)
/* Set default location. */
yyrhsVals[YYMAXRHS + YYMAXLEFT - 1].yystate.yyloc = yyopt->yystate->yyloc;]])[
- yychar_current = yychar;
- yylval_current = yylval;
- yylloc_current = yylloc;
- yychar = yyopt->yyrawchar;
- yylval = yyopt->yyval;
- yylloc = yyopt->yyloc;
- yyflag = yyuserAction (yyopt->yyrule, yynrhs,
+ {
+ int yychar_current = yychar;
+ YYSTYPE yylval_current = yylval;]b4_locations_if([
+ YYLTYPE yylloc_current = yylloc;])[
+ yychar = yyopt->yyrawchar;
+ yylval = yyopt->yyval;]b4_locations_if([
+ yylloc = yyopt->yyloc;])[
+ yyflag = yyuserAction (yyopt->yyrule, yynrhs,
yyrhsVals + YYMAXRHS + YYMAXLEFT - 1,
- yyvalp, yylocp, yystackp]b4_user_args[);
- yychar = yychar_current;
- yylval = yylval_current;
- yylloc = yylloc_current;
+ yystackp, yyvalp]b4_locuser_args[);
+ yychar = yychar_current;
+ yylval = yylval_current;]b4_locations_if([
+ yylloc = yylloc_current;])[
+ }
return yyflag;
}
-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG
static void
yyreportTree (yySemanticOption* yyx, int yyindent)
{
for (yyi = yynrhs, yys = yyx->yystate; 0 < yyi; yyi -= 1, yys = yys->yypred)
yystates[yyi] = yys;
- if (yys == NULL)
+ if (yys == YY_NULL)
{
yyleftmost_state.yyposn = 0;
yystates[0] = &yyleftmost_state;
{
if (yystates[yyi-1]->yyposn+1 > yystates[yyi]->yyposn)
YYFPRINTF (stderr, "%*s%s <empty>\n", yyindent+2, "",
- yytokenName (yystos[yystates[yyi-1]->yylrState]));
+ yytokenName (yystos[yystates[yyi]->yylrState]));
else
YYFPRINTF (stderr, "%*s%s <tokens %lu .. %lu>\n", yyindent+2, "",
- yytokenName (yystos[yystates[yyi-1]->yylrState]),
+ yytokenName (yystos[yystates[yyi]->yylrState]),
(unsigned long int) (yystates[yyi-1]->yyposn + 1),
(unsigned long int) yystates[yyi]->yyposn);
}
YYUSE (yyx0);
YYUSE (yyx1);
-#if YYDEBUG
+#if ]b4_api_PREFIX[DEBUG
YYFPRINTF (stderr, "Ambiguity detected.\n");
YYFPRINTF (stderr, "Option 1,\n");
yyreportTree (yyx0, 2);
yyresolveLocations (yys1->yypred, yyn1 - 1, yystackp]b4_user_args[);
if (!yys1->yyresolved)
{
- yySemanticOption *yyoption;
yyGLRStackItem yyrhsloc[1 + YYMAXRHS];
int yynrhs;
- int yychar_current;
- YYSTYPE yylval_current;
- YYLTYPE yylloc_current;
- yyoption = yys1->yysemantics.yyfirstVal;
- YYASSERT (yyoption != NULL);
+ yySemanticOption *yyoption = yys1->yysemantics.yyfirstVal;
+ YYASSERT (yyoption != YY_NULL);
yynrhs = yyrhsLength (yyoption->yyrule);
if (yynrhs > 0)
{
yyGLRState *yyprevious = yyoption->yystate;
yyrhsloc[0].yystate.yyloc = yyprevious->yyloc;
}
- yychar_current = yychar;
- yylval_current = yylval;
- yylloc_current = yylloc;
- yychar = yyoption->yyrawchar;
- yylval = yyoption->yyval;
- yylloc = yyoption->yyloc;
- YYLLOC_DEFAULT ((yys1->yyloc), yyrhsloc, yynrhs);
- yychar = yychar_current;
- yylval = yylval_current;
- yylloc = yylloc_current;
+ {
+ int yychar_current = yychar;
+ YYSTYPE yylval_current = yylval;
+ YYLTYPE yylloc_current = yylloc;
+ yychar = yyoption->yyrawchar;
+ yylval = yyoption->yyval;
+ yylloc = yyoption->yyloc;
+ YYLLOC_DEFAULT ((yys1->yyloc), yyrhsloc, yynrhs);
+ yychar = yychar_current;
+ yylval = yylval_current;
+ yylloc = yylloc_current;
+ }
}
}
}]])[
yyresolveValue (yyGLRState* yys, yyGLRStack* yystackp]b4_user_formals[)
{
yySemanticOption* yyoptionList = yys->yysemantics.yyfirstVal;
- yySemanticOption* yybest;
+ yySemanticOption* yybest = yyoptionList;
yySemanticOption** yypp;
- yybool yymerge;
+ yybool yymerge = yyfalse;
YYSTYPE yysval;
- YYRESULTTAG yyflag;
- YYLTYPE *yylocp = &yys->yyloc;
+ YYRESULTTAG yyflag;]b4_locations_if([
+ YYLTYPE *yylocp = &yys->yyloc;])[
- yybest = yyoptionList;
- yymerge = yyfalse;
- for (yypp = &yyoptionList->yynext; *yypp != NULL; )
+ for (yypp = &yyoptionList->yynext; *yypp != YY_NULL; )
{
yySemanticOption* yyp = *yypp;
{
yySemanticOption* yyp;
int yyprec = yydprec[yybest->yyrule];
- yyflag = yyresolveAction (yybest, yystackp, &yysval,
- yylocp]b4_user_args[);
+ yyflag = yyresolveAction (yybest, yystackp, &yysval]b4_locuser_args[);
if (yyflag == yyok)
- for (yyp = yybest->yynext; yyp != NULL; yyp = yyp->yynext)
+ for (yyp = yybest->yynext; yyp != YY_NULL; yyp = yyp->yynext)
{
if (yyprec == yydprec[yyp->yyrule])
{
- YYSTYPE yysval_other;
- YYLTYPE yydummy;
- yyflag = yyresolveAction (yyp, yystackp, &yysval_other,
- &yydummy]b4_user_args[);
+ YYSTYPE yysval_other;]b4_locations_if([
+ YYLTYPE yydummy;])[
+ yyflag = yyresolveAction (yyp, yystackp, &yysval_other]b4_locuser_args([&yydummy])[);
if (yyflag != yyok)
{
yydestruct ("Cleanup: discarding incompletely merged value for",
yystos[yys->yylrState],
- &yysval]b4_locations_if([, yylocp])[]b4_user_args[);
+ &yysval]b4_locuser_args[);
break;
}
yyuserMerge (yymerger[yyp->yyrule], &yysval, &yysval_other);
}
}
else
- yyflag = yyresolveAction (yybest, yystackp, &yysval, yylocp]b4_user_args[);
+ yyflag = yyresolveAction (yybest, yystackp, &yysval]b4_locuser_args([yylocp])[);
if (yyflag == yyok)
{
yys->yysemantics.yysval = yysval;
}
else
- yys->yysemantics.yyfirstVal = NULL;
+ yys->yysemantics.yyfirstVal = YY_NULL;
return yyflag;
}
static YYRESULTTAG
yyresolveStack (yyGLRStack* yystackp]b4_user_formals[)
{
- if (yystackp->yysplitPoint != NULL)
+ if (yystackp->yysplitPoint != YY_NULL)
{
yyGLRState* yys;
int yyn;
{
yyGLRState* yyp, *yyq, *yyr;
- if (yystackp->yytops.yysize != 1 || yystackp->yysplitPoint == NULL)
+ if (yystackp->yytops.yysize != 1 || yystackp->yysplitPoint == YY_NULL)
return;
- for (yyp = yystackp->yytops.yystates[0], yyq = yyp->yypred, yyr = NULL;
+ for (yyp = yystackp->yytops.yystates[0], yyq = yyp->yypred, yyr = YY_NULL;
yyp != yystackp->yysplitPoint;
yyr = yyp, yyp = yyq, yyq = yyp->yypred)
yyp->yypred = yyr;
yystackp->yyspaceLeft += yystackp->yynextFree - yystackp->yyitems;
yystackp->yynextFree = ((yyGLRStackItem*) yystackp->yysplitPoint) + 1;
yystackp->yyspaceLeft -= yystackp->yynextFree - yystackp->yyitems;
- yystackp->yysplitPoint = NULL;
- yystackp->yylastDeleted = NULL;
+ yystackp->yysplitPoint = YY_NULL;
+ yystackp->yylastDeleted = YY_NULL;
- while (yyr != NULL)
+ while (yyr != YY_NULL)
{
yystackp->yynextFree->yystate = *yyr;
yyr = yyr->yypred;
yyprocessOneStack (yyGLRStack* yystackp, size_t yyk,
size_t yyposn]b4_pure_formals[)
{
- while (yystackp->yytops.yystates[yyk] != NULL)
+ while (yystackp->yytops.yystates[yyk] != YY_NULL)
{
yyStateNum yystate = yystackp->yytops.yystates[yyk]->yylrState;
YYDPRINTF ((stderr, "Stack %lu Entering state %d\n",
yyerror (]b4_lyyerror_args[YY_("syntax error"));
#else
yySymbol yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar);
- size_t yysize0 = yytnamerr (NULL, yytokenName (yytoken));
+ size_t yysize0 = yytnamerr (YY_NULL, yytokenName (yytoken));
size_t yysize = yysize0;
size_t yysize1;
yybool yysize_overflow = yyfalse;
- char* yymsg = NULL;
+ char* yymsg = YY_NULL;
enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
/* Internationalized format string. */
- const char *yyformat = 0;
+ const char *yyformat = YY_NULL;
/* Arguments of yyformat. */
char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
/* Number of reported tokens (one for the "unexpected", one per
break;
}
yyarg[yycount++] = yytokenName (yyx);
- yysize1 = yysize + yytnamerr (NULL, yytokenName (yyx));
+ yysize1 = yysize + yytnamerr (YY_NULL, yytokenName (yyx));
yysize_overflow |= yysize1 < yysize;
yysize = yysize1;
}
{
yySymbol yytoken;
if (yychar == YYEOF)
- yyFail (yystackp][]b4_lpure_args[, NULL);
+ yyFail (yystackp][]b4_lpure_args[, YY_NULL);
if (yychar != YYEMPTY)
{]b4_locations_if([[
/* We throw away the lookahead, but the error range
YYLLOC_DEFAULT ((yys->yyloc), yyerror_range, 2);]])[
yytoken = YYTRANSLATE (yychar);
yydestruct ("Error: discarding",
- yytoken, &yylval]b4_locations_if([, &yylloc])[]b4_user_args[);
+ yytoken, &yylval]b4_locuser_args([&yylloc])[);
}
YYDPRINTF ((stderr, "Reading a token: "));
yychar = YYLEX;
/* Reduce to one stack. */
for (yyk = 0; yyk < yystackp->yytops.yysize; yyk += 1)
- if (yystackp->yytops.yystates[yyk] != NULL)
+ if (yystackp->yytops.yystates[yyk] != YY_NULL)
break;
if (yyk >= yystackp->yytops.yysize)
- yyFail (yystackp][]b4_lpure_args[, NULL);
+ yyFail (yystackp][]b4_lpure_args[, YY_NULL);
for (yyk += 1; yyk < yystackp->yytops.yysize; yyk += 1)
yymarkStackDeleted (yystackp, yyk);
yyremoveDeletes (yystackp);
/* Now pop stack until we find a state that shifts the error token. */
yystackp->yyerrState = 3;
- while (yystackp->yytops.yystates[0] != NULL)
+ while (yystackp->yytops.yystates[0] != YY_NULL)
{
yyGLRState *yys = yystackp->yytops.yystates[0];
yyj = yypact[yys->yylrState];
if (0 <= yyj && yyj <= YYLAST && yycheck[yyj] == YYTERROR
&& yyisShiftAction (yytable[yyj]))
{
- /* Shift the error token having adjusted its location. */
- YYLTYPE yyerrloc;]b4_locations_if([[
+ /* Shift the error token. */]b4_locations_if([[
+ /* First adjust its location.*/
+ YYLTYPE yyerrloc;
yystackp->yyerror_range[2].yystate.yyloc = yylloc;
YYLLOC_DEFAULT (yyerrloc, (yystackp->yyerror_range), 2);]])[
YY_SYMBOL_PRINT ("Shifting", yystos[yytable[yyj]],
&yylval, &yyerrloc);
yyglrShift (yystackp, 0, yytable[yyj],
- yys->yyposn, &yylval, &yyerrloc);
+ yys->yyposn, &yylval]b4_locations_if([, &yyerrloc])[);
yys = yystackp->yytops.yystates[0];
break;
}
- }
-]b4_locations_if([[ yystackp->yyerror_range[1].yystate.yyloc = yys->yyloc;]])[
- if (yys->yypred != NULL)
+ }]b4_locations_if([[
+ yystackp->yyerror_range[1].yystate.yyloc = yys->yyloc;]])[
+ if (yys->yypred != YY_NULL)
yydestroyGLRState ("Error: popping", yys]b4_user_args[);
yystackp->yytops.yystates[0] = yys->yypred;
yystackp->yynextFree -= 1;
yystackp->yyspaceLeft += 1;
}
- if (yystackp->yytops.yystates[0] == NULL)
- yyFail (yystackp][]b4_lpure_args[, NULL);
+ if (yystackp->yytops.yystates[0] == YY_NULL)
+ yyFail (yystackp][]b4_lpure_args[, YY_NULL);
}
#define YYCHK1(YYE) \
| 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;
case 2: goto yyexhaustedlab;
default: goto yybuglab;
}
- yyglrShift (&yystack, 0, 0, 0, &yylval, &yylloc);
+ yyglrShift (&yystack, 0, 0, 0, &yylval]b4_locations_if([, &yylloc])[);
yyposn = 0;
while (YYID (yytrue))
YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
yychar = YYEMPTY;
yyposn += 1;
- yyglrShift (&yystack, 0, yyaction, yyposn, &yylval, &yylloc);
+ yyglrShift (&yystack, 0, yyaction, yyposn, &yylval]b4_locations_if([, &yylloc])[);
if (0 < yystack.yyerrState)
yystack.yyerrState -= 1;
}
YYDPRINTF ((stderr, "On stack %lu, ", (unsigned long int) yys));
YY_SYMBOL_PRINT ("shifting", yytoken_to_shift, &yylval, &yylloc);
yyglrShift (&yystack, yys, yyaction, yyposn,
- &yylval, &yylloc);
+ &yylval]b4_locations_if([, &yylloc])[);
YYDPRINTF ((stderr, "Stack %lu now in state #%d\n",
(unsigned long int) yys,
yystack.yytops.yystates[yys]->yylrState));
yyreturn:
if (yychar != YYEMPTY)
yydestruct ("Cleanup: discarding lookahead",
- YYTRANSLATE (yychar),
- &yylval]b4_locations_if([, &yylloc])[]b4_user_args[);
+ YYTRANSLATE (yychar), &yylval]b4_locuser_args([&yylloc])[);
/* If the stack is well-formed, pop the stack until it is empty,
destroying its entries as we go. But free the stack regardless
{
yyGLRState *yys = yystates[yyk];
]b4_locations_if([[ yystack.yyerror_range[1].yystate.yyloc = yys->yyloc;]]
-)[ if (yys->yypred != NULL)
+)[ if (yys->yypred != YY_NULL)
yydestroyGLRState ("Cleanup: popping", yys]b4_user_args[);
yystates[yyk] = yys->yypred;
yystack.yynextFree -= 1;
}
/* 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__));
static void
yypstates (yyGLRState* yyst)
{
- if (yyst == NULL)
+ if (yyst == YY_NULL)
YYFPRINTF (stderr, "<null>");
else
yy_yypstack (yyst);
}
#define YYINDEX(YYX) \
- ((YYX) == NULL ? -1 : (yyGLRStackItem*) (YYX) - yystackp->yyitems)
+ ((YYX) == YY_NULL ? -1 : (yyGLRStackItem*) (YYX) - yystackp->yyitems)
static void
[b4_defines_if(
[@output(b4_spec_defines_file@)@
b4_copyright([Skeleton interface for Bison GLR parsers in C],
- [2002-2012])
-
-b4_shared_declarations
+ [2002-2012])[
-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