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# Copyright (C) 2003,2004 Free Software Foundation, Inc.
# Contributed by Kelley Cook, June 2004.
# Original code from Neil Booth, May 2003.
#
# 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, 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Some common subroutines for use by opt[ch]-gen.awk.
# APPLE LOCAL begin optimization pragmas 3124235/3420242
# Return nonzero if FLAGS contains a flag matching REGEX.
function flag_set_p(regex, flags)
{
return (" " flags " ") ~ (" " regex " ")
}
# APPLE LOCAL end optimization pragmas 3124235/3420242
function switch_flags (flags)
{
flags = " " flags " "
result = "0"
for (j = 0; j < n_langs; j++) {
regex = " " langs[j] " "
gsub ( "\\+", "\\+", regex )
if (flags ~ regex)
result = result " | " macros[j]
}
if (flags ~ " Common ") result = result " | CL_COMMON"
# APPLE LOCAL mainline
if (flags ~ " Target ") result = result " | CL_TARGET"
if (flags ~ " Joined ") result = result " | CL_JOINED"
if (flags ~ " JoinedOrMissing ") \
result = result " | CL_JOINED | CL_MISSING_OK"
if (flags ~ " Separate ") result = result " | CL_SEPARATE"
if (flags ~ " RejectNegative ") result = result " | CL_REJECT_NEGATIVE"
if (flags ~ " UInteger ") result = result " | CL_UINTEGER"
if (flags ~ " Undocumented ") result = result " | CL_UNDOCUMENTED"
if (flags ~ " Report ") result = result " | CL_REPORT"
# APPLE LOCAL begin optimization pragmas 3124235/3420242
if (flags ~ " VarUint ") result = result " | CL_VARUINT"
if (flags ~ " PerFunc ") result = result " | CL_PERFUNC"
# APPLE LOCAL end optimization pragmas 3124235/3420242
sub( "^0 \\| ", "", result )
return result
}
function var_args(flags)
{
if (flags !~ "Var\\(")
return ""
sub(".*Var\\(", "", flags)
sub("\\).*", "", flags)
return flags
}
function var_name(flags)
{
s = var_args(flags)
if (s == "")
return "";
sub( ",.*", "", s)
return s
}
function var_set(flags)
{
s = var_args(flags)
if (s !~ ",")
return "0, 0"
sub( "[^,]*,", "", s)
return "1, " s
}
function var_ref(flags)
{
name = var_name(flags)
# APPLE LOCAL begin optimization pragmas 3124235/3420242
if (flags ~ "PerFunc") {
if (flags ~ "VarUint") {
return "&cl_pf_opts.fld_" name
} else {
return "0"
}
}
# APPLE LOCAL end optimization pragmas 3124235/3420242
if (name == "")
return "0"
else
return "&" name
}
# APPLE LOCAL begin optimization pragmas 3124235/3420242
# Given that an option has flags FLAGS, return an initializer for the
# "access_flag" field of its cl_options[] entry. This applies only to
# PerFunc VarUint things (bitfields) at the moment.
function access_ref(flags)
{
name = var_name(flags)
if (flags !~ "PerFunc") {
return "0"
}
if (flags ~ "VarUint") {
return "0"
}
if (name != "")
return "cl_opt_access_func_" name
return "0"
}
# APPLE LOCAL end optimization pragmas 3124235/3420242