# C++ skeleton for Bison
-# Copyright (C) 2002-2010 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
+# 2010 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
b4_defines_if([],
[b4_fatal([b4_skeleton[: using %%defines is mandatory]])])
-# Backward compatibility.
-m4_define([b4_location_constructors])
-m4_include(b4_pkgdatadir/[location.cc])
+b4_percent_define_ifdef([[location_type]], [],
+ [# Backward compatibility.
+ m4_define([b4_location_constructors])
+ m4_include(b4_pkgdatadir/[location.cc])])
# We do want M4 expansion after # for CPP macros.
m4_changecom()
b4_defines_if(
[@output(b4_spec_defines_file@)@
b4_copyright([Skeleton interface for Bison LALR(1) parsers in C++],
- [2002-2010])
+ [2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010])
dnl FIXME: This is wrong, we want computed header guards.
[
/* C++ LALR(1) parser skeleton written by Akim Demaille. */
#include <string>
#include <iostream>
-#include "location.hh"
#include "stack.hh"
+]b4_percent_define_ifdef([[location_type]], [],
+ [[#include "location.hh"]])[
/* Enabling traces. */
#ifndef YYDEBUG
# define YYTOKEN_TABLE ]b4_token_table[
#endif
-/* 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). */
-
-#ifndef YYLLOC_DEFAULT
-# define YYLLOC_DEFAULT(Current, Rhs, N) \
-do { \
- if (N) \
- { \
- (Current).begin = (Rhs)[1].begin; \
- (Current).end = (Rhs)[N].end; \
- } \
- else \
- { \
- (Current).begin = (Current).end = (Rhs)[0].end; \
- } \
-} while (false)
-#endif
-
]b4_namespace_open[
/// A Bison parser.
typedef YYSTYPE semantic_type;
#endif
/// Symbol locations.
- typedef ]b4_percent_define_get([[location_type]])[ location_type;
+ typedef ]b4_percent_define_get([[location_type]],
+ [[location]])[ location_type;
/// Tokens.
struct token
{
])dnl
@output(b4_parser_file_name@)@
b4_copyright([Skeleton implementation for Bison LALR(1) parsers in C++],
- [2002-2010])
+ [2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010])
b4_percent_code_get([[top]])[]dnl
m4_if(b4_prefix, [yy], [],
[
# endif
#endif
+/* 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). */
+
+#define YYRHSLOC(Rhs, K) ((Rhs)[K])
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N) \
+ do \
+ if (N) \
+ { \
+ (Current).begin = YYRHSLOC (Rhs, 1).begin; \
+ (Current).end = YYRHSLOC (Rhs, N).end; \
+ } \
+ else \
+ { \
+ (Current).begin = (Current).end = YYRHSLOC (Rhs, 0).end; \
+ } \
+ while (false)
+#endif
+
/* Suppress unused-variable warnings by "using" E. */
#define YYUSE(e) ((void) (e))
]b4_parser_class_name[::yysyntax_error_ (]dnl
b4_error_verbose_if([int yystate, int yytoken],
[int, int])[)
- {
- std::string yyres;]b4_error_verbose_if([[
+ {]b4_error_verbose_if([[
+ std::string yyres;
int yyn = yypact_[yystate];
if (yypact_ninf_ < yyn && yyn <= yylast_)
{
- /* Start YYX at -YYN if negative to avoid negative indexes in
- YYCHECK. In other words, skip the first -YYN actions for this
- state because they are default actions. */
- int yyxbegin = yyn < 0 ? -yyn : 0;
+ /* Start YYX at -YYN if negative to avoid negative indexes in
+ YYCHECK. In other words, skip the first -YYN actions for
+ this state because they are default actions. */
+ int yyxbegin = yyn < 0 ? -yyn : 0;
- /* Stay within bounds of both yycheck and yytname. */
- int yychecklim = yylast_ - yyn + 1;
- int yyxend = yychecklim < yyntokens_ ? yychecklim : yyntokens_;
+ /* Stay within bounds of both yycheck and yytname. */
+ int yychecklim = yylast_ - yyn + 1;
+ int yyxend = yychecklim < yyntokens_ ? yychecklim : yyntokens_;
// Number of reported tokens (one for the "unexpected", one per
// "expected").
- size_t yycount = 0;
+ size_t yycount = 0;
// Its maximum.
enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
// Arguments of yyformat.
char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
yyarg[yycount++] = yytname_[yytoken];
- for (int yyx = yyxbegin; yyx < yyxend; ++yyx)
- if (yycheck_[yyx + yyn] == yyx && yyx != yyterror_
- && !yy_table_value_is_error_ (yytable_[yyx + yyn]))
- {
- if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
- {
- yycount = 1;
- break;
- }
- else
- yyarg[yycount++] = yytname_[yyx];
- }
-
- char const* yyformat = 0;
- switch (yycount)
- {
-#define YYCASE_(N, S) \
- case N: \
- yyformat = S; \
- break
- YYCASE_(1, YY_("syntax error, unexpected %s"));
- YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s"));
- YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s"));
- YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s"));
- YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"));
+ for (int yyx = yyxbegin; yyx < yyxend; ++yyx)
+ if (yycheck_[yyx + yyn] == yyx && yyx != yyterror_
+ && !yy_table_value_is_error_ (yytable_[yyx + yyn]))
+ {
+ if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+ {
+ yycount = 1;
+ break;
+ }
+ else
+ yyarg[yycount++] = yytname_[yyx];
+ }
+
+ char const* yyformat = 0;
+ switch (yycount)
+ {
+#define YYCASE_(N, S) \
+ case N: \
+ yyformat = S; \
+ break
+ YYCASE_(1, YY_("syntax error, unexpected %s"));
+ YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s"));
+ YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s"));
+ YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s"));
+ YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"));
#undef YYCASE_
- }
- // Argument number.
- size_t yyi = 0;
- for (char const* yyp = yyformat; *yyp; ++yyp)
- if (yyp[0] == '%' && yyp[1] == 's' && yyi < yycount)
- {
- yyres += yytnamerr_ (yyarg[yyi++]);
- ++yyp;
- }
- else
- yyres += *yyp;
}
- else
- ]])dnl
-[ yyres = YY_("syntax error");
- return yyres;
+ // Argument number.
+ size_t yyi = 0;
+ for (char const* yyp = yyformat; *yyp; ++yyp)
+ if (yyp[0] == '%' && yyp[1] == 's' && yyi < yycount)
+ {
+ yyres += yytnamerr_ (yyarg[yyi++]);
+ ++yyp;
+ }
+ else
+ yyres += *yyp;
+ }
+ else
+ yyres = YY_("syntax error");
+ return yyres;]], [[
+ return YY_("syntax error");]])[
}
dnl
@output(b4_dir_prefix[]stack.hh@)@
b4_copyright([Stack handling for Bison parsers in C++],
- [2002-2010])[
+ [2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010])[
#ifndef BISON_STACK_HH
# define BISON_STACK_HH
projects / bison.git / blobdiff