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#!/bin/perl
#/*@@
# @file c_file_processor.pl
# @date Fri Jan 22 18:09:47 1999
# @author Tom Goodale / Gerd Lanfermann
# @desc
# Processes a c file replacing certain strings which can't be dealt
# with by the normal c preprocessor.
#
# It also parses the C source and adds the USE macros, which perform
# a dummy assign. This avoid ugly warnings on some compilers.
# This auto adding was tested on all C-thorns and it worked. Since this
# does not match the full C syntax, there can pathological cases, where
# this script will not be able to put the USE stuff in the right place.
# There is a switch to turn this auto-adding off: place the string
# "CCTK_NO_AUTOUSE_MACRO" somewhere at the top (within a comment).
# Everything after will not be matched.
# @enddesc
#@@*/
$home = shift(@ARGV);
$fortran_name_file = "$home/fortran_name.pl";
if (! -e "$fortran_name_file" )
{
die "Unable to get fortran name file $fortran_name_file!";
}
require "$fortran_name_file";
$checkfor1 = "DECLARE_CCTK_PARAMETERS";
$addmacro1 = "USE_CCTK_PARAMETERS";
$domacro1 = 0;
$done1 = 0;
$checkfor2 = "DECLARE_CCTK_ARGUMENTS";
$addmacro2 = "USE_CCTK_CARGUMENTS";
$domacro2 = 0;
$done2 = 0;
$n_arg_braces = -3;
$sc =0;
$skip = 0;
$skipstring= "CCTK_NO_AUTOUSE_MACRO";
$/ = ";\n";
$*=1;
## parse the file up to a ";\n"
while(<>)
{
## split in lines... and collect in routine;
$piece = $_;
@lines = split("\n",$piece);
foreach $mline (@lines)
{
$routine.=$mline."\n";
if ($mline=~/$skipstring/)
{
$skip = 1;
}
## check if the DECLARE macros are found on a line
if($mline=~m/$checkfor2/)
{
$domacro2 = 1;
$n_arg_braces = 0;
$trigger = 1;
}
if($mline=~m/$checkfor1/)
{
$domacro1 = 1;
$n_arg_braces = 0;
$trigger = 1;
}
## start counting braces if there has been a DECLARE_
if ($trigger>0)
{
while ($mline=~m/(})/g) {
$n_arg_braces--;
}
while ($mline=~m/({)/g) {
$n_arg_braces++;
}
}
if (($n_arg_braces == -1) && ($skip==0))
{
## Start adding first macro, deal with "return }"first, "}" after
if ($domacro1) {
if (!($routine=~s/([ \t\f]*)(return\s*\S*\s*}\s*)$/$1$addmacro1\n$1$2/s))
{
($routine=~s/(}\s*$)/ $addmacro1\n$1/s)
}
}
## Start adding second macro
if ($domacro2) {
if (!($routine=~s/([ \t\f]*)(return\s*\S*\s*}\s*)$/$1$addmacro2\n$1$2/s))
{
($routine=~s/(}\s*$)/ $addmacro2\n$1/s)
}
}
$n_arg_braces = -2;
$sc = 0;
## call the fortran namefix routine/reset routine
fixfnames($routine);
$routine ="";
}
}
}
fixfnames($routine);
$routine ="";
sub fixfnames {
my $myroutine=shift(@_);
@flines=split /(;)/,$myroutine;
# print $myroutine;
foreach $fline (@flines)
{
while($fline =~ m:FORTRAN_NAME\s*\(([^\)]*)\):)
{
$arglist = $1;
$arglist =~ s:[\s\n\t]+::g;
@args = split(",", $arglist );
$new = &fortran_name($args[$#args]);
$fline =~ s:FORTRAN_NAME\s*\(([^\)]*)\):$new:;
}
while($fline =~ m:FORTRAN_COMMON_NAME\s*\(([^\)]*)\):)
{
$arglist = $1;
$arglist =~ s:[\s\n\t]+::g;
@args = split(",", $arglist );
$new = &fortran_common_name($args[$#args]);
$fline =~ s:FORTRAN_COMMON_NAME\s*\(([^\)]*)\):$new:;
}
print $fline;
}
}
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