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# default file names
$infile = "${sys}_ese.r" if ($infile eq '');
$outfile = "${sys}_ese.make" if ($outfile eq '');
#-------------------------------------------------------------------------------
# main
#-------------------------------------------------------------------------------
if ($debug) {
my $logfile = "ese_r2make_${sys}.log";
open (LOG, ">$logfile") or die ("MTT: ese_r2make, cannot open $logfile");
}
# First the elementary system equations are read
# and placed in the "expressions" hash.
read_ese_r ();
# Then the occurence of any lvalue in the expression
# of any other is sought.
get_dependencies ();
# Finally the expressions are written to a makefile
# where the targets are the left hand values and the
# pre-requisites are the dependencies
write_make ($sys);
close (LOG) if ($debug);
#-------------------------------------------------------------------------------
# subroutines
#-------------------------------------------------------------------------------
sub read_ese_r {
open (ESE, $infile)
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next if /^(\s)*$/; # skip blank lines
# separate the left and right side of equations
# and assign them to the expressions hash
my ($lvar,$expr) = split (/:=/);
$expressions{$lvar} = $expr;
print "$lvar\t= $expressions{$lvar}\n" if $debug;
print LOG "$lvar\t= $expressions{$lvar}\n" if $debug;
}
close (ESE);
}
#-------------------------------------------------------------------------------
sub get_dependencies {
# compare the pattern to each expression
foreach my $lvar (keys %expressions) {
$dependencies{$lvar} = "";
$_ = $expressions{$lvar};
for my $lvar2 (keys %expressions) {
if ($expressions{$lvar} =~ /$lvar2/) {
# a left value has been found in the expression
# add it to the dependencies for this lvar
$dependencies{$lvar} = "$dependencies{$lvar} $lvar2";
}
}
print "$lvar:\t$dependencies{$lvar}\n" if $debug;
print LOG "$lvar:\t$dependencies{$lvar}\n" if $debug;
}
}
#-------------------------------------------------------------------------------
sub write_make {
# create lists of rates, states and tmpvars so that
# separate rules can be created in the makefile
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