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#!/usr/bin/perl
# This file is part of the nesC compiler.
# Copyright (C) 2002 Intel Corporation
#
# The attached "nesC" software is provided to you under the terms and
# conditions of the GNU General Public License Version 2 as published by the
# Free Software Foundation.
#
# nesC 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 nesC; see the file COPYING. If not, write to
# the Free Software Foundation, 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
use File::Basename;
# Extract information from enviroment variables set by nescc
$ctarget = $ENV{NESCC_CFILE};
$conly = $ENV{NESCC_CONLY} eq "yes";
$deputy = $ENV{NESCC_DEPUTY} eq "yes";
@deputy_args = split(" ", $ENV{NESCC_DEPUTY_ARGS});
$gcc = $ENV{NESCC_GCC};
push @nesc_args, "-fnesc-gcc=$gcc";
for ($i = 0; $i <= $#ARGV; $i++) {
$_ = $ARGV[$i];
if (/^-_ASM$/) {
# magic marker for assembler options
$for_assembler = 1;
}
elsif ($for_assembler) {
push @gcc_args, "-Wa,$_";
}
elsif (/^-/) {
if (/^-fsyntax-only$/) {
$nocompile = 1;
}
if (/^-[_WwvpfmH]/ || /^-pedantic$/ || /^-ansi$/) {
push @nesc_args, $_;
$verbose = 1 if /^-v/;
}
if (/^-([IDUA])/) {
$opt = $1;
($i, $val) = &extractarg($i);
push @nesc_args, "-$opt$val";
}
elsif (/^-o/) {
($i, $objtarget) = &extractarg($i);
}
elsif (/^--param$/) {
($i, $param) = &nextarg($i);
push @gcc_args, "--param";
push @gcc_args, $param;
}
elsif (/^-include$/) {
($i, $file) = &nextarg($i);
push @nesc_args, "-include", $file;
}
elsif (/^-S$/) {
$asmonly = 1;
}
elsif (/^-fnesc-tmpcfile=(.*)$/) {
if ($ctarget eq "") {
$ctarget = $1;
$delcfile = 1;
}
}
else {
push @gcc_args, $_;
}
}
else {
if ($source ne "") {
printf STDERR "two source files specified ($source and $_)\n";
exit 2;
}
$source = $_;
}
}
# Split on spaces not preceded by \, then unquote.
push @nesc_args, split(/(?<!\\) /, $ENV{NESCC_ARGS});
foreach (@nesc_args) {
s/\\(.)/\1/g;
}
if ($source eq "") {
printf STDERR "no source file specified\n";
exit 2;
}
if ($ctarget eq "") {
if ($conly) {
$ctarget = $source;
$ctarget =~ s/\.nc$/.c/;
}
elsif ($ENV{TMP}) {
$ctarget = "$ENV{TMP}/nesc.$$.c";
}
else {
$ctarget = "/tmp/nesc.$$.c";
}
$delcfile = 1;
}
if ($objtarget eq "") {
$objtarget = $source;
$objtarget =~ s/\.nc$/.o/ unless $asmonly;
$objtarget =~ s/\.nc$/.s/ if $asmonly;
}
# Deputy annotations
if ($deputy) {
unshift @nesc_args, "-fnesc-include=deputy_stage1";
unshift @nesc_args, "-fnesc-genprefix=#include \"$ENV{NCDIR}/deputy_stage2.h\"";
}
else {
unshift @nesc_args, "-fnesc-include=deputy_nodeputy";
}
push @nesc_args, $source;
push @nesc_args, "-o";
if ($nocompile && !$conly) {
push @nesc_args, "/dev/null";
} else {
push @nesc_args, $ctarget;
}
# Check for gcc 4.0.x, which don't tell us about the __STDC__ #define
unshift @nesc_args, "-D__STDC__" if isgcc40($gcc);
# Get rid of __BLOCKS__ define, if any (prevent use of Apple C extension that
# nesC doesn't understand)
unshift @nesc_args, "-U__BLOCKS__";
unshift @nesc_args, "nesc1";
&vsystem(@nesc_args);
if ($? != 0) {
unlink $ctarget;
exit 2;
}
exit 0 if $nocompile || $conly;
if ($deputy) {
push @deputy_args, "--gcc=$gcc";
push @gcc_args, @deputy_args;
$gcc = "deputy";
}
push @gcc_args, "-o";
push @gcc_args, $objtarget;
push @gcc_args, "-S" if $asmonly;
push @gcc_args, "-c" unless $asmonly;
push @gcc_args, "-fdollars-in-identifiers";
push @gcc_args, $ctarget;
unshift @gcc_args, "-B$ENV{NCDIR}";
unshift @gcc_args, $gcc;
&vsystem(@gcc_args);
unlink $ctarget if $delcfile;
exit 2 if $?;
exit 0;
sub vsystem() {
print STDERR join(" ", @_), "\n" if $verbose;
system @_;
}
sub extractarg {
my ($i) = @_;
if (length($ARGV[$i]) == 2) {
return &nextarg($i);
}
else {
$arg = substr($ARGV[$i], 2);
return ($i, $arg);
}
}
sub nextarg {
my ($i) = @_;
if ($i < $#ARGV) {
$arg = $ARGV[++$i];
}
else {
printf STDERR "missing argument to $ARGV[$i]\n";
exit 2;
}
return ($i, $arg);
}
sub isgcc40 {
my ($gcc) = @_;
die "gcc $gcc fails" unless open(GCCV, "$gcc -v 2>&1|");
while (<GCCV>) {
return 1 if /^gcc version 4\.0/;
}
return 0;
}
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