# GLR skeleton for Bison
-# Copyright (C) 2002-2012 Free Software Foundation, Inc.
+# Copyright (C) 2002-2015 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
[m4_ifset([b4_parse_param], [, b4_formals(b4_parse_param)])])
-# b4_lex_param
-# ------------
-# Accumule in b4_lex_param all the yylex arguments.
-# Yes, this is quite ugly...
-m4_define([b4_lex_param],
-m4_dquote(b4_pure_if([[[[YYSTYPE *]], [[&yylval]]][]dnl
-b4_locations_if([, [[YYLTYPE *], [&yylloc]]])])dnl
-m4_ifdef([b4_lex_param], [, ]b4_lex_param)))
-
-
# b4_yyerror_args
# ---------------
# Optional effective arguments passed to yyerror: user args plus yylloc, and
## Output files. ##
## -------------- ##
+# Unfortunately the order of generation between the header and the
+# implementation file matters (for glr.c) because of the current
+# implementation of api.value.type=union. In that case we still use a
+# union for YYSTYPE, but we generate the contents of this union when
+# setting up YYSTYPE. This is needed for other aspects, such as
+# defining yy_symbol_value_print, since we need to now the name of the
+# members of this union.
+#
+# To avoid this issue, just generate the header before the
+# implementation file. But we should also make them more independant.
+
+# ----------------- #
+# The header file. #
+# ----------------- #
+
+# glr.cc produces its own header.
+m4_if(b4_skeleton, ["glr.c"],
+[b4_defines_if(
+[b4_output_begin([b4_spec_defines_file])
+b4_copyright([Skeleton interface for Bison GLR parsers in C],
+ [2002-2015])[
+
+]b4_cpp_guard_open([b4_spec_defines_file])[
+]b4_shared_declarations[
+]b4_cpp_guard_close([b4_spec_defines_file])[
+]b4_output_end()
+])])
+
+
+# ------------------------- #
+# The implementation file. #
+# ------------------------- #
+
b4_output_begin([b4_parser_file_name])
b4_copyright([Skeleton implementation for Bison GLR parsers in C],
- [2002-2012])[
+ [2002-2015])[
/* C GLR parser skeleton written by Paul Hilfinger. */
#define yyparse ]b4_prefix[parse
#define yylex ]b4_prefix[lex
#define yyerror ]b4_prefix[error
+#define yydebug ]b4_prefix[debug
+]]b4_pure_if([], [[
#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]])])[
+#define yylloc ]b4_prefix[lloc]])]))[
/* First part of user declarations. */
]b4_user_pre_prologue[
# endif
#endif
-/* Suppress unused-variable warnings by "using" E. */
-#ifdef __GNUC__
-# define YYUSE(E) ((void) (E))
-#else
-# define YYUSE(E) /* empty */
-#endif
-
#ifndef YYFREE
# define YYFREE free
#endif
# include <setjmp.h>
# define YYJMP_BUF jmp_buf
# define YYSETJMP(Env) setjmp (Env)
-// Pacify clang.
+/* Pacify clang. */
# define YYLONGJMP(Env, Val) (longjmp (Env, Val), YYASSERT (0))
#endif
-/*-----------------.
-| GCC extensions. |
-`-----------------*/
-
-#ifndef __attribute__
-/* This feature is available in gcc versions 2.5 and later. */
-# if (! defined __GNUC__ || __GNUC__ < 2 \
- || (__GNUC__ == 2 && __GNUC_MINOR__ < 5))
-# define __attribute__(Spec) /* empty */
-# endif
-#endif
+]b4_attribute_define[
#ifndef YYASSERT
# define YYASSERT(Condition) ((void) ((Condition) || (abort (), 0)))
/* YYCONFL[I] -- lists of conflicting rule numbers, each terminated by
0, pointed into by YYCONFLP. */
]dnl Do not use b4_int_type_for here, since there are places where
-dnl pointers onto yyconfl are taken, which type is "short int *".
+dnl pointers onto yyconfl are taken, whose type is "short int *".
dnl We probably ought to introduce a type for confl.
[static const short int yyconfl[] =
{
]b4_yylloc_default_define[
# define YYRHSLOC(Rhs, K) ((Rhs)[K].yystate.yyloc)
]])[
-]b4_yy_location_print_define[
-
-/* YYLEX -- calling `yylex' with the right arguments. */
-#define YYLEX ]b4_function_call([yylex], [int], b4_lex_param)[
]b4_pure_if(
[
# define YYFPRINTF fprintf
# endif
+]b4_yy_location_print_define[
+
# define YYDPRINTF(Args) \
do { \
if (yydebug) \
multiple parsers can coexist. */
int yydebug;
+struct yyGLRStack;
+static void yypstack (struct yyGLRStack* yystackp, size_t yyk)
+ YY_ATTRIBUTE_UNUSED;
+static void yypdumpstack (struct yyGLRStack* yystackp)
+ YY_ATTRIBUTE_UNUSED;
+
#else /* !]b4_api_PREFIX[DEBUG */
# define YYDPRINTF(Args)
static void yyexpandGLRStack (yyGLRStack* yystackp);
#endif
-static void yyFail (yyGLRStack* yystackp]b4_pure_formals[, const char* yymsg)
- __attribute__ ((__noreturn__));
-static void
+static _Noreturn void
yyFail (yyGLRStack* yystackp]b4_pure_formals[, const char* yymsg)
{
- if (yymsg != YY_NULL)
+ if (yymsg != YY_NULLPTR)
yyerror (]b4_yyerror_args[yymsg);
YYLONGJMP (yystackp->yyexception_buffer, 1);
}
-static void yyMemoryExhausted (yyGLRStack* yystackp)
- __attribute__ ((__noreturn__));
-static void
+static _Noreturn void
yyMemoryExhausted (yyGLRStack* yystackp)
{
YYLONGJMP (yystackp->yyexception_buffer, 2);
/** Fill in YYVSP[YYLOW1 .. YYLOW0-1] from the chain of states starting
* at YYVSP[YYLOW0].yystate.yypred. Leaves YYVSP[YYLOW1].yystate.yypred
* containing the pointer to the next state in the chain. */
-static void yyfillin (yyGLRStackItem *, int, int) __attribute__ ((__unused__));
+static void yyfillin (yyGLRStackItem *, int, int) YY_ATTRIBUTE_UNUSED;
static void
yyfillin (yyGLRStackItem *yyvsp, int yylow0, int yylow1)
{
else
/* The effect of using yysval or yyloc (in an immediate rule) is
* undefined. */
- yyvsp[i].yystate.yysemantics.yyfirstVal = YY_NULL;]b4_locations_if([[
+ yyvsp[i].yystate.yysemantics.yyfirstVal = YY_NULLPTR;]b4_locations_if([[
yyvsp[i].yystate.yyloc = s->yyloc;]])[
s = yyvsp[i].yystate.yypred = s->yypred;
}
* YYVSP[YYLOW1 .. *YYLOW-1] as in yyfillin and set *YYLOW = YYLOW1.
* For convenience, always return YYLOW1. */
static inline int yyfill (yyGLRStackItem *, int *, int, yybool)
- __attribute__ ((__unused__));
+ YY_ATTRIBUTE_UNUSED;
static inline int
yyfill (yyGLRStackItem *yyvsp, int *yylow, int yylow1, yybool yynormal)
{
* (@@$). Returns yyok for normal return, yyaccept for YYACCEPT,
* yyerr for YYERROR, yyabort for YYABORT. */
static YYRESULTTAG
-yyuserAction (yyRuleNum yyn, int yyrhslen, yyGLRStackItem* yyvsp,
+yyuserAction (yyRuleNum yyn, size_t yyrhslen, yyGLRStackItem* yyvsp,
yyGLRStack* yystackp,
YYSTYPE* yyvalp]b4_locuser_formals[)
{
- yybool yynormal __attribute__ ((__unused__)) =
- (yystackp->yysplitPoint == YY_NULL);
+ yybool yynormal YY_ATTRIBUTE_UNUSED = (yystackp->yysplitPoint == YY_NULLPTR);
int yylow;
]b4_parse_param_use([yyvalp], [yylocp])dnl
-[# undef yyerrok
+[ YYUSE (yyrhslen);
+# undef yyerrok
# define yyerrok (yystackp->yyerrState = 0)
# undef YYACCEPT
# define YYACCEPT return yyaccept
if (yydebug)
{
if (yys->yysemantics.yyfirstVal)
- YYFPRINTF (stderr, "%s unresolved ", yymsg);
+ YYFPRINTF (stderr, "%s unresolved", yymsg);
else
- YYFPRINTF (stderr, "%s incomplete ", yymsg);
- yy_symbol_print (stderr, yystos[yys->yylrState],
- YY_NULL]b4_locuser_args([&yys->yyloc])[);
- YYFPRINTF (stderr, "\n");
+ YYFPRINTF (stderr, "%s incomplete", yymsg);
+ YY_SYMBOL_PRINT ("", yystos[yys->yylrState], YY_NULLPTR, &yys->yyloc);
}
#endif
}
}
+/** Compute post-reduction state.
+ * \param yystate the current state
+ * \param yysym the nonterminal to push on the stack
+ */
static inline yyStateNum
-yyLRgotoState (yyStateNum yystate, yySymbol yylhs)
+yyLRgotoState (yyStateNum yystate, yySymbol yysym)
{
- int yyr = yypgoto[yylhs - YYNTOKENS] + yystate;
+ int yyr = yypgoto[yysym - YYNTOKENS] + yystate;
if (0 <= yyr && yyr <= YYLAST && yycheck[yyr] == yystate)
return yytable[yyr];
else
- return yydefgoto[yylhs - YYNTOKENS];
+ return yydefgoto[yysym - YYNTOKENS];
}
static inline yybool
{
yySemanticOption* yynewOption =
&yynewGLRStackItem (yystackp, yyfalse)->yyoption;
+ YYASSERT (!yynewOption->yyisState);
yynewOption->yystate = yyrhs;
yynewOption->yyrule = yyrule;
if (yystackp->yytops.yylookaheadNeeds[yyk])
yyset->yystates = (yyGLRState**) YYMALLOC (16 * sizeof yyset->yystates[0]);
if (! yyset->yystates)
return yyfalse;
- yyset->yystates[0] = YY_NULL;
+ yyset->yystates[0] = YY_NULLPTR;
yyset->yylookaheadNeeds =
(yybool*) YYMALLOC (16 * sizeof yyset->yylookaheadNeeds[0]);
if (! yyset->yylookaheadNeeds)
if (!yystackp->yyitems)
return yyfalse;
yystackp->yynextFree = yystackp->yyitems;
- yystackp->yysplitPoint = YY_NULL;
- yystackp->yylastDeleted = YY_NULL;
+ yystackp->yysplitPoint = YY_NULLPTR;
+ yystackp->yylastDeleted = YY_NULLPTR;
return yyinitStateSet (&yystackp->yytops);
}
{
yyGLRState* yys0 = &yyp0->yystate;
yyGLRState* yys1 = &yyp1->yystate;
- if (yys0->yypred != YY_NULL)
+ if (yys0->yypred != YY_NULLPTR)
yys1->yypred =
YYRELOC (yyp0, yyp1, yys0->yypred, yystate);
- if (! yys0->yyresolved && yys0->yysemantics.yyfirstVal != YY_NULL)
+ if (! yys0->yyresolved && yys0->yysemantics.yyfirstVal != YY_NULLPTR)
yys1->yysemantics.yyfirstVal =
YYRELOC (yyp0, yyp1, yys0->yysemantics.yyfirstVal, yyoption);
}
{
yySemanticOption* yyv0 = &yyp0->yyoption;
yySemanticOption* yyv1 = &yyp1->yyoption;
- if (yyv0->yystate != YY_NULL)
+ if (yyv0->yystate != YY_NULLPTR)
yyv1->yystate = YYRELOC (yyp0, yyp1, yyv0->yystate, yystate);
- if (yyv0->yynext != YY_NULL)
+ if (yyv0->yynext != YY_NULLPTR)
yyv1->yynext = YYRELOC (yyp0, yyp1, yyv0->yynext, yyoption);
}
}
- if (yystackp->yysplitPoint != YY_NULL)
+ if (yystackp->yysplitPoint != YY_NULLPTR)
yystackp->yysplitPoint = YYRELOC (yystackp->yyitems, yynewItems,
- yystackp->yysplitPoint, yystate);
+ yystackp->yysplitPoint, yystate);
for (yyn = 0; yyn < yystackp->yytops.yysize; yyn += 1)
- if (yystackp->yytops.yystates[yyn] != YY_NULL)
+ if (yystackp->yytops.yystates[yyn] != YY_NULLPTR)
yystackp->yytops.yystates[yyn] =
YYRELOC (yystackp->yyitems, yynewItems,
yystackp->yytops.yystates[yyn], yystate);
static inline void
yyupdateSplit (yyGLRStack* yystackp, yyGLRState* yys)
{
- if (yystackp->yysplitPoint != YY_NULL && yystackp->yysplitPoint > yys)
+ if (yystackp->yysplitPoint != YY_NULLPTR && yystackp->yysplitPoint > yys)
yystackp->yysplitPoint = yys;
}
static inline void
yymarkStackDeleted (yyGLRStack* yystackp, size_t yyk)
{
- if (yystackp->yytops.yystates[yyk] != YY_NULL)
+ if (yystackp->yytops.yystates[yyk] != YY_NULLPTR)
yystackp->yylastDeleted = yystackp->yytops.yystates[yyk];
- yystackp->yytops.yystates[yyk] = YY_NULL;
+ yystackp->yytops.yystates[yyk] = YY_NULLPTR;
}
/** Undelete the last stack in *YYSTACKP that was marked as deleted. Can
static void
yyundeleteLastStack (yyGLRStack* yystackp)
{
- if (yystackp->yylastDeleted == YY_NULL || yystackp->yytops.yysize != 0)
+ if (yystackp->yylastDeleted == YY_NULLPTR || 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 = YY_NULL;
+ yystackp->yylastDeleted = YY_NULLPTR;
}
static inline void
yyi = yyj = 0;
while (yyj < yystackp->yytops.yysize)
{
- if (yystackp->yytops.yystates[yyi] == YY_NULL)
+ if (yystackp->yytops.yystates[yyi] == YY_NULLPTR)
{
if (yyi == yyj)
{
size_t yyposn, yyGLRState* yyrhs, yyRuleNum yyrule)
{
yyGLRState* yynewState = &yynewGLRStackItem (yystackp, yytrue)->yystate;
+ YYASSERT (yynewState->yyisState);
yynewState->yylrState = yylrState;
yynewState->yyposn = yyposn;
yynewState->yyresolved = yyfalse;
yynewState->yypred = yystackp->yytops.yystates[yyk];
- yynewState->yysemantics.yyfirstVal = YY_NULL;
+ yynewState->yysemantics.yyfirstVal = YY_NULLPTR;
yystackp->yytops.yystates[yyk] = yynewState;
/* Invokes YY_RESERVE_GLRSTACK. */
{
int yynrhs = yyrhsLength (yyrule);
- if (yystackp->yysplitPoint == YY_NULL)
+ if (yystackp->yysplitPoint == YY_NULLPTR)
{
/* Standard special case: single stack. */
yyGLRStackItem* yyrhs = (yyGLRStackItem*) yystackp->yytops.yystates[yyk];
{
size_t yyposn = yystackp->yytops.yystates[yyk]->yyposn;
- if (yyforceEval || yystackp->yysplitPoint == YY_NULL)
+ if (yyforceEval || yystackp->yysplitPoint == YY_NULLPTR)
{
- YYRESULTTAG yyflag;
- YYSTYPE yysval;]b4_locations_if([
- YYLTYPE yyloc;])[
+ YYSTYPE yysval;]b4_locations_if([[
+ YYLTYPE yyloc;]])[
- yyflag = yydoAction (yystackp, yyk, yyrule, &yysval]b4_locuser_args([&yyloc])[);
- if (yyflag == yyerr && yystackp->yysplitPoint != YY_NULL)
+ YYRESULTTAG yyflag = yydoAction (yystackp, yyk, yyrule, &yysval]b4_locuser_args([&yyloc])[);
+ if (yyflag == yyerr && yystackp->yysplitPoint != YY_NULLPTR)
{
YYDPRINTF ((stderr, "Parse on stack %lu rejected by rule #%d.\n",
(unsigned long int) yyk, yyrule - 1));
"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] != YY_NULL)
+ if (yyi != yyk && yystackp->yytops.yystates[yyi] != YY_NULLPTR)
{
yyGLRState *yysplit = yystackp->yysplitPoint;
yyGLRState *yyp = yystackp->yytops.yystates[yyi];
static size_t
yysplitStack (yyGLRStack* yystackp, size_t yyk)
{
- if (yystackp->yysplitPoint == YY_NULL)
+ if (yystackp->yysplitPoint == YY_NULLPTR)
{
YYASSERT (yyk == 0);
yystackp->yysplitPoint = yystackp->yytops.yystates[yyk];
yyGLRState** yynewStates;
yybool* yynewLookaheadNeeds;
- yynewStates = YY_NULL;
+ yynewStates = YY_NULLPTR;
if (yystackp->yytops.yycapacity
> (YYSIZEMAX / (2 * sizeof yynewStates[0])))
(yyGLRState**) YYREALLOC (yystackp->yytops.yystates,
(yystackp->yytops.yycapacity
* sizeof yynewStates[0]));
- if (yynewStates == YY_NULL)
+ if (yynewStates == YY_NULLPTR)
yyMemoryExhausted (yystackp);
yystackp->yytops.yystates = yynewStates;
(yybool*) YYREALLOC (yystackp->yytops.yylookaheadNeeds,
(yystackp->yytops.yycapacity
* sizeof yynewLookaheadNeeds[0]));
- if (yynewLookaheadNeeds == YY_NULL)
+ if (yynewLookaheadNeeds == YY_NULLPTR)
yyMemoryExhausted (yystackp);
yystackp->yytops.yylookaheadNeeds = yynewLookaheadNeeds;
}
yySemanticOption* yyz1 = yys1->yysemantics.yyfirstVal;
while (yytrue)
{
- if (yyz1 == *yyz0p || yyz1 == YY_NULL)
+ if (yyz1 == *yyz0p || yyz1 == YY_NULLPTR)
break;
- else if (*yyz0p == YY_NULL)
+ else if (*yyz0p == YY_NULLPTR)
{
*yyz0p = yyz1;
break;
for (yyi = yynrhs, yys = yyx->yystate; 0 < yyi; yyi -= 1, yys = yys->yypred)
yystates[yyi] = yys;
- if (yys == YY_NULL)
+ if (yys == YY_NULLPTR)
{
yyleftmost_state.yyposn = 0;
yystates[0] = &yyleftmost_state;
yyGLRStackItem yyrhsloc[1 + YYMAXRHS];
int yynrhs;
yySemanticOption *yyoption = yys1->yysemantics.yyfirstVal;
- YYASSERT (yyoption != YY_NULL);
+ YYASSERT (yyoption != YY_NULLPTR);
yynrhs = yyrhsLength (yyoption->yyrule);
if (yynrhs > 0)
{
YYRESULTTAG yyflag;]b4_locations_if([
YYLTYPE *yylocp = &yys->yyloc;])[
- for (yypp = &yyoptionList->yynext; *yypp != YY_NULL; )
+ for (yypp = &yyoptionList->yynext; *yypp != YY_NULLPTR; )
{
yySemanticOption* yyp = *yypp;
int yyprec = yydprec[yybest->yyrule];
yyflag = yyresolveAction (yybest, yystackp, &yysval]b4_locuser_args[);
if (yyflag == yyok)
- for (yyp = yybest->yynext; yyp != YY_NULL; yyp = yyp->yynext)
+ for (yyp = yybest->yynext; yyp != YY_NULLPTR; yyp = yyp->yynext)
{
if (yyprec == yydprec[yyp->yyrule])
{
yys->yysemantics.yysval = yysval;
}
else
- yys->yysemantics.yyfirstVal = YY_NULL;
+ yys->yysemantics.yyfirstVal = YY_NULLPTR;
return yyflag;
}
static YYRESULTTAG
yyresolveStack (yyGLRStack* yystackp]b4_user_formals[)
{
- if (yystackp->yysplitPoint != YY_NULL)
+ if (yystackp->yysplitPoint != YY_NULLPTR)
{
yyGLRState* yys;
int yyn;
{
yyGLRState* yyp, *yyq, *yyr;
- if (yystackp->yytops.yysize != 1 || yystackp->yysplitPoint == YY_NULL)
+ if (yystackp->yytops.yysize != 1 || yystackp->yysplitPoint == YY_NULLPTR)
return;
- for (yyp = yystackp->yytops.yystates[0], yyq = yyp->yypred, yyr = YY_NULL;
+ for (yyp = yystackp->yytops.yystates[0], yyq = yyp->yypred, yyr = YY_NULLPTR;
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 = YY_NULL;
- yystackp->yylastDeleted = YY_NULL;
+ yystackp->yysplitPoint = YY_NULLPTR;
+ yystackp->yylastDeleted = YY_NULLPTR;
- while (yyr != YY_NULL)
+ while (yyr != YY_NULLPTR)
{
yystackp->yynextFree->yystate = *yyr;
yyr = yyr->yypred;
yyprocessOneStack (yyGLRStack* yystackp, size_t yyk,
size_t yyposn]b4_pure_formals[)
{
- while (yystackp->yytops.yystates[yyk] != YY_NULL)
+ while (yystackp->yytops.yystates[yyk] != YY_NULLPTR)
{
yyStateNum yystate = yystackp->yytops.yystates[yyk]->yylrState;
YYDPRINTF ((stderr, "Stack %lu Entering state %d\n",
if (yychar == YYEMPTY)
{
YYDPRINTF ((stderr, "Reading a token: "));
- yychar = YYLEX;
+ yychar = ]b4_lex[;
}
if (yychar <= YYEOF)
#if ! YYERROR_VERBOSE
yyerror (]b4_lyyerror_args[YY_("syntax error"));
#else
+ {
yySymbol yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar);
- size_t yysize0 = yytnamerr (YY_NULL, yytokenName (yytoken));
+ size_t yysize0 = yytnamerr (YY_NULLPTR, yytokenName (yytoken));
size_t yysize = yysize0;
- size_t yysize1;
yybool yysize_overflow = yyfalse;
- char* yymsg = YY_NULL;
+ char* yymsg = YY_NULLPTR;
enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
/* Internationalized format string. */
- const char *yyformat = YY_NULL;
+ const char *yyformat = YY_NULLPTR;
/* 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 (YY_NULL, yytokenName (yyx));
- yysize_overflow |= yysize1 < yysize;
- yysize = yysize1;
+ {
+ size_t yysz = yysize + yytnamerr (YY_NULLPTR, yytokenName (yyx));
+ yysize_overflow |= yysz < yysize;
+ yysize = yysz;
+ }
}
}
}
#undef YYCASE_
}
- yysize1 = yysize + strlen (yyformat);
- yysize_overflow |= yysize1 < yysize;
- yysize = yysize1;
+ {
+ size_t yysz = yysize + strlen (yyformat);
+ yysize_overflow |= yysz < yysize;
+ yysize = yysz;
+ }
if (!yysize_overflow)
yymsg = (char *) YYMALLOC (yysize);
yyerror (]b4_lyyerror_args[YY_("syntax error"));
yyMemoryExhausted (yystackp);
}
+ }
#endif /* YYERROR_VERBOSE */
yynerrs += 1;
}
{
yySymbol yytoken;
if (yychar == YYEOF)
- yyFail (yystackp][]b4_lpure_args[, YY_NULL);
+ yyFail (yystackp][]b4_lpure_args[, YY_NULLPTR);
if (yychar != YYEMPTY)
{]b4_locations_if([[
/* We throw away the lookahead, but the error range
yytoken, &yylval]b4_locuser_args([&yylloc])[);
}
YYDPRINTF ((stderr, "Reading a token: "));
- yychar = YYLEX;
+ yychar = ]b4_lex[;
if (yychar <= YYEOF)
{
yychar = yytoken = YYEOF;
/* Reduce to one stack. */
for (yyk = 0; yyk < yystackp->yytops.yysize; yyk += 1)
- if (yystackp->yytops.yystates[yyk] != YY_NULL)
+ if (yystackp->yytops.yystates[yyk] != YY_NULLPTR)
break;
if (yyk >= yystackp->yytops.yysize)
- yyFail (yystackp][]b4_lpure_args[, YY_NULL);
+ yyFail (yystackp][]b4_lpure_args[, YY_NULLPTR);
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] != YY_NULL)
+ while (yystackp->yytops.yystates[0] != YY_NULLPTR)
{
yyGLRState *yys = yystackp->yytops.yystates[0];
yyj = yypact[yys->yylrState];
}
}]b4_locations_if([[
yystackp->yyerror_range[1].yystate.yyloc = yys->yyloc;]])[
- if (yys->yypred != YY_NULL)
+ if (yys->yypred != YY_NULLPTR)
yydestroyGLRState ("Error: popping", yys]b4_user_args[);
yystackp->yytops.yystates[0] = yys->yypred;
yystackp->yynextFree -= 1;
yystackp->yyspaceLeft += 1;
}
- if (yystackp->yytops.yystates[0] == YY_NULL)
- yyFail (yystackp][]b4_lpure_args[, YY_NULL);
+ if (yystackp->yytops.yystates[0] == YY_NULLPTR)
+ yyFail (yystackp][]b4_lpure_args[, YY_NULLPTR);
}
#define YYCHK1(YYE) \
if (yychar == YYEMPTY)
{
YYDPRINTF ((stderr, "Reading a token: "));
- yychar = YYLEX;
+ yychar = ]b4_lex[;
}
if (yychar <= YYEOF)
{
yyGLRState *yys = yystates[yyk];
]b4_locations_if([[ yystack.yyerror_range[1].yystate.yyloc = yys->yyloc;]]
-)[ if (yys->yypred != YY_NULL)
+)[ if (yys->yypred != YY_NULLPTR)
yydestroyGLRState ("Cleanup: popping", yys]b4_user_args[);
yystates[yyk] = yys->yypred;
yystack.yynextFree -= 1;
/* DEBUGGING ONLY */
#if ]b4_api_PREFIX[DEBUG
-static void yypstack (yyGLRStack* yystackp, size_t yyk)
- __attribute__ ((__unused__));
-static void yypdumpstack (yyGLRStack* yystackp) __attribute__ ((__unused__));
-
static void
yy_yypstack (yyGLRState* yys)
{
static void
yypstates (yyGLRState* yyst)
{
- if (yyst == YY_NULL)
+ if (yyst == YY_NULLPTR)
YYFPRINTF (stderr, "<null>");
else
yy_yypstack (yyst);
}
#define YYINDEX(YYX) \
- ((YYX) == YY_NULL ? -1 : (yyGLRStackItem*) (YYX) - yystackp->yyitems)
+ ((YYX) == YY_NULLPTR ? -1 : (yyGLRStackItem*) (YYX) - yystackp->yyitems)
static void
(unsigned long int) (yyp - yystackp->yyitems));
if (*(yybool *) yyp)
{
+ YYASSERT (yyp->yystate.yyisState);
+ YYASSERT (yyp->yyoption.yyisState);
YYFPRINTF (stderr, "Res: %d, LR State: %d, posn: %lu, pred: %ld",
yyp->yystate.yyresolved, yyp->yystate.yylrState,
(unsigned long int) yyp->yystate.yyposn,
}
else
{
+ YYASSERT (!yyp->yystate.yyisState);
+ YYASSERT (!yyp->yyoption.yyisState);
YYFPRINTF (stderr, "Option. rule: %d, state: %ld, next: %ld",
yyp->yyoption.yyrule - 1,
(long int) YYINDEX (yyp->yyoption.yystate),
YYFPRINTF (stderr, "\n");
}
#endif
-]b4_epilogue[]dnl
-b4_output_end()
-# glr.cc produces its own header.
-m4_if(b4_skeleton, ["glr.c"],
-[b4_defines_if(
-[b4_output_begin([b4_spec_defines_file])
-b4_copyright([Skeleton interface for Bison GLR parsers in C],
- [2002-2012])[
+#undef yylval
+#undef yychar
+#undef yynerrs]b4_locations_if([
+#undef yylloc])
-]b4_cpp_guard_open([b4_spec_defines_file])[
-]b4_shared_declarations[
-]b4_cpp_guard_close([b4_spec_defines_file])[
-]b4_output_end()
-])])
+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]])])[
+
+]b4_epilogue[]dnl
+b4_output_end()
projects / bison.git / blobdiff