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Diffstat (limited to 'gnuwin32/share/bison/c++.m4')
| -rw-r--r-- | gnuwin32/share/bison/c++.m4 | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/gnuwin32/share/bison/c++.m4 b/gnuwin32/share/bison/c++.m4 deleted file mode 100644 index 593390d6..00000000 --- a/gnuwin32/share/bison/c++.m4 +++ /dev/null @@ -1,170 +0,0 @@ - -*- Autoconf -*- - -# C++ skeleton for Bison - -# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 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 -# 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, see <http://www.gnu.org/licenses/>. - -m4_include(b4_pkgdatadir/[c.m4]) - -## ---------------- ## -## Default values. ## -## ---------------- ## - -# Default parser class name. -b4_percent_define_default([[parser_class_name]], [[parser]]) -b4_percent_define_default([[location_type]], [[location]]) -b4_percent_define_default([[filename_type]], [[std::string]]) -b4_percent_define_default([[namespace]], m4_defn([b4_prefix])) -b4_percent_define_default([[global_tokens_and_yystype]], [[false]]) -b4_percent_define_default([[define_location_comparison]], - [m4_if(b4_percent_define_get([[filename_type]]), - [std::string], [[true]], [[false]])]) - - -## ----------- ## -## Namespace. ## -## ----------- ## - -m4_define([b4_namespace_ref], [b4_percent_define_get([[namespace]])]) - -# Don't permit an empty b4_namespace_ref. Any `::parser::foo' appended to it -# would compile as an absolute reference with `parser' in the global namespace. -# b4_namespace_open would open an anonymous namespace and thus establish -# internal linkage. This would compile. However, it's cryptic, and internal -# linkage for the parser would be specified in all translation units that -# include the header, which is always generated. If we ever need to permit -# internal linkage somehow, surely we can find a cleaner approach. -m4_if(m4_bregexp(b4_namespace_ref, [^[ ]*$]), [-1], [], -[b4_complain_at(b4_percent_define_get_loc([[namespace]]), - [[namespace reference is empty]])]) - -# Instead of assuming the C++ compiler will do it, Bison should reject any -# invalid b4_namepsace_ref that would be converted to a valid -# b4_namespace_open. The problem is that Bison doesn't always output -# b4_namespace_ref to uncommented code but should reserve the ability to do so -# in future releases without risking breaking any existing user grammars. -# Specifically, don't allow empty names as b4_namespace_open would just convert -# those into anonymous namespaces, and that might tempt some users. -m4_if(m4_bregexp(b4_namespace_ref, [::[ ]*::]), [-1], [], -[b4_complain_at(b4_percent_define_get_loc([[namespace]]), - [[namespace reference has consecutive "::"]])]) -m4_if(m4_bregexp(b4_namespace_ref, [::[ ]*$]), [-1], [], -[b4_complain_at(b4_percent_define_get_loc([[namespace]]), - [[namespace reference has a trailing "::"]])]) - -m4_define([b4_namespace_open], -[b4_user_code([b4_percent_define_get_syncline([[namespace]]) -[namespace ]m4_bpatsubst(m4_dquote(m4_bpatsubst(m4_dquote(b4_namespace_ref), - [^\(.\)[ ]*::], [\1])), - [::], [ { namespace ])[ {]])]) - -m4_define([b4_namespace_close], -[b4_user_code([b4_percent_define_get_syncline([[namespace]]) -m4_bpatsubst(m4_dquote(m4_bpatsubst(m4_dquote(b4_namespace_ref), - [^\(.\)[ ]*\(::\)?\([^][:]\|:[^][:]\)*], - [\1])), - [::\([^][:]\|:[^][:]\)*], [} ])[} // ]b4_namespace_ref])]) - - -# b4_token_enums(LIST-OF-PAIRS-TOKEN-NAME-TOKEN-NUMBER) -# ----------------------------------------------------- -# Output the definition of the tokens as enums. -m4_define([b4_token_enums], -[/* Tokens. */ - enum yytokentype { -m4_map_sep([ b4_token_enum], [, -], - [$@]) - }; -]) - - -## ----------------- ## -## Semantic Values. ## -## ----------------- ## - - -# b4_lhs_value([TYPE]) -# -------------------- -# Expansion of $<TYPE>$. -m4_define([b4_lhs_value], -[(yyval[]m4_ifval([$1], [.$1]))]) - - -# b4_rhs_value(RULE-LENGTH, NUM, [TYPE]) -# -------------------------------------- -# Expansion of $<TYPE>NUM, where the current rule has RULE-LENGTH -# symbols on RHS. -m4_define([b4_rhs_value], -[(yysemantic_stack_@{($1) - ($2)@}m4_ifval([$3], [.$3]))]) - -# b4_lhs_location() -# ----------------- -# Expansion of @$. -m4_define([b4_lhs_location], -[(yyloc)]) - - -# b4_rhs_location(RULE-LENGTH, NUM) -# --------------------------------- -# Expansion of @NUM, where the current rule has RULE-LENGTH symbols -# on RHS. -m4_define([b4_rhs_location], -[(yylocation_stack_@{($1) - ($2)@})]) - - -# b4_parse_param_decl -# ------------------- -# Extra formal arguments of the constructor. -# Change the parameter names from "foo" into "foo_yyarg", so that -# there is no collision bw the user chosen attribute name, and the -# argument name in the constructor. -m4_define([b4_parse_param_decl], -[m4_ifset([b4_parse_param], - [m4_map_sep([b4_parse_param_decl_1], [, ], [b4_parse_param])])]) - -m4_define([b4_parse_param_decl_1], -[$1_yyarg]) - - - -# b4_parse_param_cons -# ------------------- -# Extra initialisations of the constructor. -m4_define([b4_parse_param_cons], - [m4_ifset([b4_parse_param], - [ - b4_cc_constructor_calls(b4_parse_param)])]) -m4_define([b4_cc_constructor_calls], - [m4_map_sep([b4_cc_constructor_call], [, - ], [$@])]) -m4_define([b4_cc_constructor_call], - [$2 ($2_yyarg)]) - -# b4_parse_param_vars -# ------------------- -# Extra instance variables. -m4_define([b4_parse_param_vars], - [m4_ifset([b4_parse_param], - [ - /* User arguments. */ -b4_cc_var_decls(b4_parse_param)])]) -m4_define([b4_cc_var_decls], - [m4_map_sep([b4_cc_var_decl], [ -], [$@])]) -m4_define([b4_cc_var_decl], - [ $1;]) |