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# Licensed to the .NET Foundation under one or more agreements.
# The .NET Foundation licenses this file to you under the MIT license.
# See the LICENSE file in the project root for more information.
# C to MASM include file translator
# This is replacement for the deprecated h2inc tool that used to be part of VS.
use File::Basename;
sub ProcessFile($) {
my ($input_file) = @_;
local *INPUT_FILE;
if (!open(INPUT_FILE, $input_file))
{
print "#error: File can not be opened: $input_file\n";
return;
}
print ("// File start: $input_file\n");
while(<INPUT_FILE>) {
# Skip all pragmas
if (m/^\s*#\s*pragma/) {
next;
}
# Expand includes.
if (m/\s*#\s*include\s*\"(.+)\"/) {
ProcessFile(dirname($input_file) . "/" . $1);
next;
}
# Augment #defines with their MASM equivalent
if (m/^\s*#\s*define\s+(\S+)\s+(.*)/) {
my $name = $1;
my $value = $2;
# Note that we do not handle multiline constants
# Strip comments from value
$value =~ s/\/\/.*//;
$value =~ s/\/\*.*\*\///g;
# Strip whitespaces from value
$value =~ s/\s+$//;
# ignore #defines with arguments
if (!($name =~ m/\(/)) {
my $number = 0;
$number |= ($value =~ s/\b0x(\w+)\b/0\1h/g); # Convert hex constants
$number |= ($value =~ s/(-?\b\d+\b)/\1t/g); # Convert dec constants
print $number ? "$name EQU $value\n" : "$name TEXTEQU <$value>\n";
}
}
print;
}
print ("// File end: $input_file\n");
}
ProcessFile($ARGV[0]);
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