Future/bison
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/bison.git synced 2026-03-09 12:23:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

Factor b4_assert_if, b4_lex_symbol_if, and b4_variant_if.

Browse Source 
* data/bison.m4 (b4_percent_define_if_define): New.
	* data/c++.m4 (b4_variant_if): Move to...
	* data/bison.m4: Here, using b4_percent_define_if_define.
	* data/lalr1.cc (b4_assert_if, b4_lex_symbol_if): Move to...
	* data/bison.m4: Here, using b4_percent_define_if_define.
This commit is contained in:
Akim Demaille
2008-12-31 15:07:48 +01:00
parent 1d6b689b26
commit b47b6ff7fd
4 changed files with 38 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
data/bison.m4
View File

@@ -1,8 +1,8 @@
-*- Autoconf -*-
# Language-independent M4 Macros for Bison.
# Copyright (C) 2002, 2004, 2005, 2006, 2007, 2008 Free Software Foundation,
# Inc.
# Copyright (C) 2002, 2004, 2005, 2006, 2007, 2008, 2009
# 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
@@ -618,6 +618,31 @@ m4_define([b4_percent_define_ifdef],
[m4_define([b4_percent_define_bison_variables(]$1[)])$2],
[$3])])
# b4_percent_define_if_define(VARIABLE)
# -------------------------------------
# Define b4_VARIABLE_if that executes its $1 or $2 depending whether VARIABLE
# was %defined.
m4_define([b4_percent_define_if_define_],
[m4_define([b4_$1_if], [b4_percent_define_ifdef([$1], [$2], [$3])])])
m4_define([b4_percent_define_if_define],
[b4_percent_define_if_define_([$1], $[1], $[2])])
## --------- ##
## Options. ##
## --------- ##
# b4_assert_if([IF-ASSERTIONS-ARE-USED], [IF-NOT])
# b4_lex_symbol_if([IF-YYLEX-RETURNS-A-COMPLETE-SYMBOL], [IF-NOT])
# b4_variant_if([IF-VARIANT-ARE-USED], [IF-NOT])
# ----------------------------------------------
b4_percent_define_if_define([assert])
b4_percent_define_if_define([lex_symbol])
b4_percent_define_if_define([variant])
# b4_percent_define_flag_if(VARIABLE, IF-TRUE, [IF-FALSE])
# --------------------------------------------------------
# Mimic muscle_percent_define_flag_if in ../src/muscle_tab.h exactly. That is,