m4_divert(-1) -*- Autoconf -*-
# C M4 Macros for Bison.
-# Copyright (C) 2002 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2004, 2005 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
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-# 02111-1307 USA
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301 USA
## ---------------- ##
# b4_copyright(TITLE, YEARS)
# --------------------------
m4_define([b4_copyright],
-[/* A Bison parser, made from b4_filename, by GNU bison b4_version. */
+[/* A Bison parser, made by GNU Bison b4_version. */
/* $1,
Copyright (C) $2 Free Software Foundation, Inc.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */])
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */])
# b4_identification
[/* Identify Bison output. */
[#]define YYBISON 1
+/* Bison version. */
+[#]define YYBISON_VERSION "b4_version"
+
/* Skeleton name. */
-[#]define YYSKELETON_NAME "b4_skeleton"
+[#]define YYSKELETON_NAME b4_skeleton
/* Pure parsers. */
[#]define YYPURE b4_pure
+## ---------------- ##
+## Default values. ##
+## ---------------- ##
+
+m4_define_default([b4_epilogue], [])
+
+
+
## ------------------------ ##
## Pure/impure interfaces. ##
## ------------------------ ##
[m4_if(b4_ints_in($@, [0], [255]), [1], [unsigned char],
b4_ints_in($@, [-128], [127]), [1], [signed char],
- b4_ints_in($@, [0], [65535]), [1], [unsigned short],
- b4_ints_in($@, [-32768], [32767]), [1], [short],
+ b4_ints_in($@, [0], [65535]), [1], [unsigned short int],
+ b4_ints_in($@, [-32768], [32767]), [1], [short int],
m4_eval([0 <= $1]), [1], [unsigned int],
- [int])])
+ [int])])
# b4_int_type_for(NAME)
## ------------------ ##
+# b4_error_verbose_if(IF-TRUE, IF-FALSE)
+# --------------------------------------
+# Expand IF-TRUE, if errors are verbose, IF-FALSE otherwise.
+m4_define([b4_error_verbose_if],
+[m4_if(b4_error_verbose, [1],
+ [$1],
+ [$2])])
+
+
# b4_location_if(IF-TRUE, IF-FALSE)
# ---------------------------------
# Expand IF-TRUE, if locations are used, IF-FALSE otherwise.
])
+# b4_token_defines(LIST-OF-PAIRS-TOKEN-NAME-TOKEN-NUMBER)
+# -------------------------------------------------------
+# Output the definition of the tokens (if there are) as #defines.
+m4_define([b4_token_defines],
+[m4_if([$@], [[]], [],
+[/* Tokens. */
+m4_map([b4_token_define], [$@])])
+])
+
+
# b4_token_enum(TOKEN-NAME, TOKEN-NUMBER)
# ---------------------------------------
# Output the definition of this token as an enum.
[$1 = $2])
-# b4_token_defines(LIST-OF-PAIRS-TOKEN-NAME-TOKEN-NUMBER)
-# -------------------------------------------------------
-# Output the definition of the tokens (if there are) as enums and #define.
-m4_define([b4_token_defines],
+# b4_token_enums(LIST-OF-PAIRS-TOKEN-NAME-TOKEN-NUMBER)
+# -----------------------------------------------------
+# Output the definition of the tokens (if there are) as enums.
+m4_define([b4_token_enums],
[m4_if([$@], [[]], [],
[/* Tokens. */
#ifndef YYTOKENTYPE
[$@])
};
#endif
-m4_map([b4_token_define], [$@])
-])
+])])
+
+
+# b4_token_enums_defines(LIST-OF-PAIRS-TOKEN-NAME-TOKEN-NUMBER)
+# -------------------------------------------------------------
+# Output the definition of the tokens (if there are) as enums and #defines.
+m4_define([b4_token_enums_defines],
+[b4_token_enums($@)b4_token_defines($@)
])
m4_define([b4_c_arg],
[$2])
+
+
+## ----------- ##
+## Synclines. ##
+## ----------- ##
+
+
+# b4_syncline(LINE, FILE)
+# -----------------------
+m4_define([b4_syncline],
+[m4_if(b4_synclines_flag, 1,
+ [[#]line $1 $2])])
+
+
+# b4_symbol_actions(FILENAME, LINENO,
+# SYMBOL-TAG, SYMBOL-NUM,
+# SYMBOL-ACTION, SYMBOL-TYPENAME)
+# -------------------------------------------------
+m4_define([b4_symbol_actions],
+[m4_pushdef([b4_dollar_dollar],
+ [m4_ifval([$6], [(yyvaluep->$6)], [(*yyvaluep)])])dnl
+m4_pushdef([b4_at_dollar], [(*yylocationp)])dnl
+ case $4: /* $3 */
+b4_syncline([$2], [$1])
+ $5;
+b4_syncline([@oline@], [@ofile@])
+ break;
+m4_popdef([b4_at_dollar])dnl
+m4_popdef([b4_dollar_dollar])dnl
+])
+
+
+# b4_yydestruct_generate(FUNCTION-DECLARATOR)
+# -------------------------------------------
+# Generate the "yydestruct" function, which declaration is issued using
+# FUNCTION-DECLARATOR, which may be "b4_c_ansi_function_def" for ISO C
+# or "b4_c_function_def" for K&R.
+m4_define_default([b4_yydestruct_generate],
+[[/*-----------------------------------------------.
+| Release the memory associated to this symbol. |
+`-----------------------------------------------*/
+
+]$1([yydestruct],
+ [static void],
+ [[const char *yymsg], [yymsg]],
+ [[int yytype], [yytype]],
+ [[YYSTYPE *yyvaluep], [yyvaluep]]b4_location_if([,
+ [[YYLTYPE *yylocationp], [yylocationp]]]))[
+{
+ /* Pacify ``unused variable'' warnings. */
+ (void) yyvaluep;
+]b4_location_if([ (void) yylocationp;
+])[
+ if (!yymsg)
+ yymsg = "Deleting";
+ YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
+
+ switch (yytype)
+ {
+]m4_map([b4_symbol_actions], m4_defn([b4_symbol_destructors]))[
+ default:
+ break;
+ }
+}]dnl
+])
+
+
+# b4_yysymprint_generate(FUNCTION-DECLARATOR)
+# -------------------------------------------
+# Generate the "yysymprint" function, which declaration is issued using
+# FUNCTION-DECLARATOR, which may be "b4_c_ansi_function_def" for ISO C
+# or "b4_c_function_def" for K&R.
+m4_define_default([b4_yysymprint_generate],
+[[/*--------------------------------.
+| Print this symbol on YYOUTPUT. |
+`--------------------------------*/
+
+]$1([yysymprint],
+ [static void],
+ [[FILE *yyoutput], [yyoutput]],
+ [[int yytype], [yytype]],
+ [[YYSTYPE *yyvaluep], [yyvaluep]]b4_location_if([,
+ [[YYLTYPE *yylocationp], [yylocationp]]]))
+{
+ /* Pacify ``unused variable'' warnings. */
+ (void) yyvaluep;
+b4_location_if([ (void) yylocationp;
+])dnl
+[
+ if (yytype < YYNTOKENS)
+ YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
+ else
+ YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
+
+]b4_location_if([ YY_LOCATION_PRINT (yyoutput, *yylocationp);
+ YYFPRINTF (yyoutput, ": ");
+])dnl
+[
+# ifdef YYPRINT
+ if (yytype < YYNTOKENS)
+ YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
+# endif
+ switch (yytype)
+ {
+]m4_map([b4_symbol_actions], m4_defn([b4_symbol_printers]))dnl
+[ default:
+ break;
+ }
+ YYFPRINTF (yyoutput, ")");
+}
+]])
projects / bison.git / blobdiff