-m4_divert(-1) -*- C -*-
+ -*- C -*-
# GLR skeleton for Bison
-# Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 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_include(b4_pkgdatadir/[c.m4])
+b4_push_if([
+b4_complain([[non-deterministic push parsers are not yet supported]])])
+
## ---------------- ##
## Default values. ##
## ---------------- ##
# We do want M4 expansion after # for CPP macros.
m4_changecom()
-m4_divert(0)dnl
-@output @output_parser_name@
+m4_divert_push(0)dnl
+@output(b4_parser_file_name@)
b4_copyright([Skeleton implementation for Bison GLR parsers in C],
[2002, 2003, 2004, 2005, 2006])
[
]b4_identification
+b4_percent_code_get([[top]])[]dnl
m4_if(b4_prefix, [yy], [],
[/* Substitute the variable and function names. */
#define yyparse b4_prefix[]parse
dnl # Declaration that might either go into the header (if --defines)
dnl # or open coded in the parser body.
m4_define([b4_shared_declarations],
-[m4_ifdef([b4_requires],
-[[/* Copy the %requires blocks. */
-]b4_user_requires])[]dnl
+[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;
+} YYSTYPE;
# define YYSTYPE_IS_TRIVIAL 1]],
[m4_if(b4_tag_seen_flag, 0,
[[typedef int YYSTYPE;
# define YYLTYPE_IS_TRIVIAL 1
#endif
-]m4_ifdef([b4_provides],
-[[/* Copy the %provides blocks. */
-]b4_user_provides])[]dnl
+]b4_percent_code_get([[provides]])[]dnl
])
-b4_defines_if([#include @output_header_name@],
+b4_defines_if([[#include "@basename(]b4_spec_defines_file[@)"]],
[b4_shared_declarations])[
/* Enabling traces. */
static YYSTYPE yyval_default;
/* Copy the second part of user declarations. */
-]b4_user_post_prologue[
+]b4_user_post_prologue
+b4_percent_code_get[]dnl
-#include <stdio.h>
+[#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* The symbols being reduced. */
for (yyi = 0; yyi < yynrhs; yyi++)
{
- fprintf (stderr, " $%d = ", yyi + 1);
+ YYFPRINTF (stderr, " $%d = ", yyi + 1);
yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
&]b4_rhs_value(yynrhs, yyi + 1)[
]b4_locations_if([, &]b4_rhs_location(yynrhs, yyi + 1))[]dnl
b4_user_args[);
- fprintf (stderr, "\n");
+ YYFPRINTF (stderr, "\n");
}
}
#endif
}
/* DEBUGGING ONLY */
-#ifdef YYDEBUG
+#if YYDEBUG
static void yypstack (yyGLRStack* yystackp, size_t yyk)
__attribute__ ((__unused__));
static void yypdumpstack (yyGLRStack* yystackp) __attribute__ ((__unused__));
if (yys->yypred)
{
yy_yypstack (yys->yypred);
- fprintf (stderr, " -> ");
+ YYFPRINTF (stderr, " -> ");
}
- fprintf (stderr, "%d@@%lu", yys->yylrState, (unsigned long int) yys->yyposn);
+ YYFPRINTF (stderr, "%d@@%lu", yys->yylrState,
+ (unsigned long int) yys->yyposn);
}
static void
yypstates (yyGLRState* yyst)
{
if (yyst == NULL)
- fprintf (stderr, "<null>");
+ YYFPRINTF (stderr, "<null>");
else
yy_yypstack (yyst);
- fprintf (stderr, "\n");
+ YYFPRINTF (stderr, "\n");
}
static void
size_t yyi;
for (yyp = yystackp->yyitems; yyp < yystackp->yynextFree; yyp += 1)
{
- fprintf (stderr, "%3lu. ", (unsigned long int) (yyp - yystackp->yyitems));
+ YYFPRINTF (stderr, "%3lu. ",
+ (unsigned long int) (yyp - yystackp->yyitems));
if (*(yybool *) yyp)
{
- fprintf (stderr, "Res: %d, LR State: %d, posn: %lu, pred: %ld",
- yyp->yystate.yyresolved, yyp->yystate.yylrState,
- (unsigned long int) yyp->yystate.yyposn,
- (long int) YYINDEX (yyp->yystate.yypred));
+ YYFPRINTF (stderr, "Res: %d, LR State: %d, posn: %lu, pred: %ld",
+ yyp->yystate.yyresolved, yyp->yystate.yylrState,
+ (unsigned long int) yyp->yystate.yyposn,
+ (long int) YYINDEX (yyp->yystate.yypred));
if (! yyp->yystate.yyresolved)
- fprintf (stderr, ", firstVal: %ld",
- (long int) YYINDEX (yyp->yystate.yysemantics.yyfirstVal));
+ YYFPRINTF (stderr, ", firstVal: %ld",
+ (long int) YYINDEX (yyp->yystate
+ .yysemantics.yyfirstVal));
}
else
{
- fprintf (stderr, "Option. rule: %d, state: %ld, next: %ld",
- yyp->yyoption.yyrule - 1,
- (long int) YYINDEX (yyp->yyoption.yystate),
- (long int) YYINDEX (yyp->yyoption.yynext));
+ YYFPRINTF (stderr, "Option. rule: %d, state: %ld, next: %ld",
+ yyp->yyoption.yyrule - 1,
+ (long int) YYINDEX (yyp->yyoption.yystate),
+ (long int) YYINDEX (yyp->yyoption.yynext));
}
- fprintf (stderr, "\n");
+ YYFPRINTF (stderr, "\n");
}
- fprintf (stderr, "Tops:");
+ YYFPRINTF (stderr, "Tops:");
for (yyi = 0; yyi < yystackp->yytops.yysize; yyi += 1)
- fprintf (stderr, "%lu: %ld; ", (unsigned long int) yyi,
- (long int) YYINDEX (yystackp->yytops.yystates[yyi]));
- fprintf (stderr, "\n");
+ YYFPRINTF (stderr, "%lu: %ld; ", (unsigned long int) yyi,
+ (long int) YYINDEX (yystackp->yytops.yystates[yyi]));
+ YYFPRINTF (stderr, "\n");
}
#endif
]
dnl
m4_if(b4_skeleton, ["glr.c"],
[b4_defines_if(
-[@output @output_header_name@
+[@output(b4_spec_defines_file@)
b4_copyright([Skeleton interface for Bison GLR parsers in C],
[2002, 2003, 2004, 2005, 2006])
b4_shared_declarations
-extern YYSTYPE b4_prefix[]lval;
+b4_pure_if([],
+[[extern YYSTYPE b4_prefix][lval;]])
b4_locations_if([b4_pure_if([],
[extern YYLTYPE b4_prefix[]lloc;])
])
])])
+m4_divert_pop(0)