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Partial m4sugar merge from autoconf: m4_shiftn.

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* data/m4sugar/m4sugar.m4 (m4_shiftn): Faster implementation.
(m4_shift2, m4_shift3): New macros.
(m4_case, m4_bmatch, m4_bpatsubsts, m4_join): Adjust clients.
* data/c.m4 (b4_c_function_def, b4_c_ansi_function_def)
(b4_c_ansi_function_decl, b4_c_function_call): Likewise.
* data/java.m4 (b4_remove_comma): Likewise.

Signed-off-by: Eric Blake <ebb9@byu.net>
This commit is contained in:
Eric Blake
2008-08-06 21:22:06 -06:00
parent 882a1fbf72
commit a3764451d3
4 changed files with 86 additions and 27 deletions
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13
data/c.m4
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@@ -1,7 +1,8 @@
-*- Autoconf -*-
# C M4 Macros for Bison.
# Copyright (C) 2002, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
# Copyright (C) 2002, 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
@@ -228,8 +229,8 @@ m4_define([b4_c_function_def],
b4_c_ansi_function_def($@)
#else
$2
$1 (b4_c_knr_formal_names(m4_shiftn(2, $@)))
b4_c_knr_formal_decls(m4_shiftn(2, $@))
$1 (b4_c_knr_formal_names(m4_shift2($@)))
b4_c_knr_formal_decls(m4_shift2($@))
#endif[]dnl
])
@@ -239,7 +240,7 @@ b4_c_knr_formal_decls(m4_shiftn(2, $@))
# Declare the function NAME in ANSI.
m4_define([b4_c_ansi_function_def],
[$2
$1 (b4_c_ansi_formals(m4_shiftn(2, $@)))[]dnl
$1 (b4_c_ansi_formals(m4_shift2($@)))[]dnl
])
@@ -301,7 +302,7 @@ $2 $1 ();
# ----------------------------------------------------------------
# Declare the function NAME.
m4_define([b4_c_ansi_function_decl],
[$2 $1 (b4_c_ansi_formals(m4_shiftn(2, $@)));[]dnl
[$2 $1 (b4_c_ansi_formals(m4_shift2($@)));[]dnl
])
@@ -316,7 +317,7 @@ m4_define([b4_c_ansi_function_decl],
# -----------------------------------------------------------
# Call the function NAME with arguments NAME1, NAME2 etc.
m4_define([b4_c_function_call],
[$1 (b4_c_args(m4_shiftn(2, $@)))[]dnl
[$1 (b4_c_args(m4_shift2($@)))[]dnl
])