1#! /usr/bin/perl -w
2#
3# Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
4# Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
5#
6# This library is free software; you can redistribute it and/or
7# modify it under the terms of the GNU Library General Public
8# License as published by the Free Software Foundation; either
9# version 2 of the License, or (at your option) any later version.
10#
11# This library is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14# Library General Public License for more details.
15#
16# You should have received a copy of the GNU Library General Public License
17# along with this library; see the file COPYING.LIB.  If not, write to
18# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19# Boston, MA 02110-1301, USA.
20
21use strict;
22use File::Basename;
23use Getopt::Long;
24
25my $usage = basename($0) . " --prefix prefix file";
26
27my $rtype_template = quotemeta("#rtype#");
28my $op_template = quotemeta("#op#");
29
30my $prefix;
31my $enable_dfg = 0;
32my $file;
33
34my $getOptionsResult = GetOptions(
35    'prefix=s' => \$prefix,
36    'dfg!' => \$enable_dfg
37);
38
39$file = $ARGV[0];
40
41die "$usage\n" unless ($prefix and $file);
42
43my $stub_template = "";
44my $output_end = "";
45my $stub = "";
46
47my $rtype = "";
48my $op = "";
49my $if_counter = 0;
50my $dfg_begin = 0;
51
52print STDERR "Creating JIT stubs for $file \n";
53open(IN, $file) or die "No such file $file";
54
55while ( $_ = <IN> ) {
56    if ( /^#if (.*)/ ) {
57        $if_counter++;
58        if ( $1 eq "ENABLE(DFG_JIT)" ) {
59            $dfg_begin = $if_counter;
60        }
61    }
62    if ( /^#endif/ ) {
63        if ( $if_counter == $dfg_begin ) {
64            $dfg_begin = 0;
65        }
66        $if_counter--;
67    }
68    if ( /^$prefix\_BEGIN\((.*)\)/ ) {
69        $stub = $1;
70        print $stub . "\n";
71    }
72    if ( /^$prefix\((.*)\)/ ) {
73        $stub_template .= $1 . "\n";
74    }
75    if ( /^$prefix\_END\((.*)\)/ ) {
76        $output_end .= $1 . "\n";
77    }
78    if ( /^DEFINE_STUB_FUNCTION\((.*), (.*)\)/ ) {
79        $stub = $stub_template;
80        $rtype = quotemeta($1);
81        $op = quotemeta($2);
82        $stub =~ s/$rtype_template/$rtype/g;
83        $stub =~ s/$op_template/$op/g;
84        $stub =~ s/\\\*/\*/g;
85        if ( $enable_dfg == 1 || $dfg_begin == 0 ) {
86            print $stub;
87        }
88    }
89}
90
91print $output_end;
92
93close(IN);
94