# Java language support for Bison
-# Copyright (C) 2007 Free Software Foundation, Inc.
+# Copyright (C) 2007, 2008 Free Software Foundation, Inc.
-# This program is free software; you can redistribute it and/or modify
+# 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
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
-
+#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
-
+#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301 USA
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
# b4_comment(TEXT)
m4_define([b4_public_if],
[b4_percent_define_flag_if([public], [$1], [$2])])
-# b4_single_class_if(TRUE, FALSE)
-# -------------------------------
-b4_percent_define_default([[single_class]], [[false]])
-m4_define([b4_single_class_if],
-[b4_percent_define_flag_if([single_class], [$1], [$2])])
-
# b4_abstract_if(TRUE, FALSE)
# ---------------------------
+b4_percent_define_default([[abstract]], [[false]])
m4_define([b4_abstract_if],
-[b4_pure_if([$2], [b4_single_class_if([$2], [$1])])])
+[b4_percent_define_flag_if([abstract], [$1], [$2])])
+
+
+# b4_lexer_if(TRUE, FALSE)
+# ------------------------
+m4_define([b4_lexer_if],
+[b4_percent_code_ifdef([[lexer]], [$1], [$2])])
# b4_identification
m4_define([b4_int_type],
[m4_if(b4_ints_in($@, [-128], [127]), [1], [byte],
b4_ints_in($@, [-32768], [32767]), [1], [short],
- [int])])
+ [int])])
# b4_int_type_for(NAME)
# ---------------------
# -----------------------------------------------------
# Output the definition of the tokens (if there are) as enums.
m4_define([b4_token_enums],
-[m4_if([$@], [[]], [],
+[m4_if([$#$1], [1], [],
[/* Tokens. */
m4_map([b4_token_enum], [$@])])
])
## Default values. ##
## ---------------- ##
-m4_define([b4_union_name], [b4_percent_define_get([[union_name]])])
-b4_percent_define_default([[union_name]], [[Object]])])
+m4_define([b4_yystype], [b4_percent_define_get([[stype]])])
+b4_percent_define_default([[stype]], [[Object]])])
m4_define_default([[b4_prefix]], [[YY]])])
b4_percent_define_default([[parser_class_name]], [b4_prefix[]Parser])])
# In this simple implementation, %token and %type have class names
# between the angle brackets.
m4_define([b4_rhs_value],
-[(m4_ifval([$3], [($3)])[](yystack.valueAt ($1-($2))))])
+[(m4_ifval($3, [($3)])[](yystack.valueAt ($1-($2))))])
# b4_lhs_location()
# -----------------
m4_define([b4_lex_param_decl],
[m4_ifset([b4_lex_param],
[b4_remove_comma([$1],
- [m4_map([b4_lex_param_decl_1], [b4_lex_param])])],
+ b4_param_decls(b4_lex_param))],
[$1])])
-m4_define([b4_lex_param_decl_1], [, $1])
-m4_define([b4_remove_comma], [m4_ifval([$1], [$1, ], [])m4_cdr([m4_cdr($@)])])
-
+m4_define([b4_param_decls],
+ [m4_map([b4_param_decl], [$@])])
+m4_define([b4_param_decl], [, $1])
-
-# b4_lex_param_call
-# -------------------
-# Extra initialisations of the constructor.
-m4_define([b4_lex_param_call],
- [m4_ifset([b4_lex_param],
- [b4_remove_comma([$1],
- [b4_lex_param_calls(b4_lex_param)])],
- [$1])])
-m4_define([b4_lex_param_calls],
- [m4_map([b4_lex_param_call_1], [$@])])
-m4_define([b4_lex_param_call_1], [, $2])
+m4_define([b4_remove_comma], [m4_ifval($1, [$1, ], [])m4_shift2($@)])
m4_define([b4_parse_param_decl],
[m4_ifset([b4_parse_param],
[b4_remove_comma([$1],
- [m4_map([b4_parse_param_decl_1],
- [b4_parse_param])])],
+ b4_param_decls(b4_parse_param))],
[$1])])
-m4_define([b4_parse_param_decl_1], [, $1])
+
+
+# b4_lex_param_call
+# -------------------
+# Delegating the lexer parameters to the lexer constructor.
+m4_define([b4_lex_param_call],
+ [m4_ifset([b4_lex_param],
+ [b4_remove_comma([$1],
+ b4_param_calls(b4_lex_param))],
+ [$1])])
+m4_define([b4_param_calls],
+ [m4_map([b4_param_call], [$@])])
+m4_define([b4_param_call], [, $2])
m4_define([b4_parse_param_cons],
[m4_ifset([b4_parse_param],
[b4_constructor_calls(b4_parse_param)])])
+
m4_define([b4_constructor_calls],
[m4_map([b4_constructor_call], [$@])])
m4_define([b4_constructor_call],
[this.$2 = $2;
])
+
+
# b4_parse_param_vars
# -------------------
# Extra instance variables.
[
/* User arguments. */
b4_var_decls(b4_parse_param)])])
+
m4_define([b4_var_decls],
[m4_map_sep([b4_var_decl], [
], [$@])])
m4_define([b4_var_decl],
[ protected final $1;])
+
+
# b4_maybe_throws(THROWS)
# -----------------------
# Expand to either an empty string or "throws THROWS".
m4_define([b4_maybe_throws],
- [m4_ifval([$1], [throws $1])])
+ [m4_ifval($1, [throws $1])])
projects / bison.git / blobdiff