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 --header header file";
26
27my $rtype_template = quotemeta("#rtype#");
28my $op_template = quotemeta("#op#");
29
30my $prefix;
31my $header;
32my $enable_dfg = 0;
33my $file;
34
35my $getOptionsResult = GetOptions(
36    'prefix=s' => \$prefix,
37    'header=s' => \$header,
38    'dfg!' => \$enable_dfg
39);
40
41$file = $ARGV[0];
42
43die "$usage\n" unless ($header and $prefix and $file);
44
45my $stub_template = "";
46my $output_end = "";
47my $stub = "";
48
49my $rtype = "";
50my $op = "";
51my $if_counter = 0;
52my $dfg_begin = 0;
53
54print STDERR "Creating JIT stubs for $file \n";
55open(IN, $header) or die "No such file $header";
56
57while ( $_ = <IN> ) {
58    if ( /^$prefix\_BEGIN\((.*)\)/ ) {
59        $stub = $1;
60        print $stub . "\n";
61    }
62    if ( /^$prefix\((.*)\)/ ) {
63        $stub_template .= $1 . "\n";
64    }
65    if ( /^$prefix\_END\((.*)\)/ ) {
66        $output_end .= $1 . "\n";
67    }
68}
69
70close(IN);
71open(IN, $file) or die "No such file $file";
72
73while ( $_ = <IN> ) {
74    if ( /^#if (.*)/ ) {
75        $if_counter++;
76        if ( $1 eq "ENABLE(DFG_JIT)" ) {
77            $dfg_begin = $if_counter;
78        }
79    }
80    if ( /^#endif/ ) {
81        if ( $if_counter == $dfg_begin ) {
82            $dfg_begin = 0;
83        }
84        $if_counter--;
85    }
86    if ( /^DEFINE_STUB_FUNCTION\((.*), (.*)\)/ ) {
87        $stub = $stub_template;
88        $rtype = quotemeta($1);
89        $op = quotemeta($2);
90        $stub =~ s/$rtype_template/$rtype/g;
91        $stub =~ s/$op_template/$op/g;
92        $stub =~ s/\\\*/\*/g;
93        if ( $enable_dfg == 1 || $dfg_begin == 0 ) {
94            print $stub;
95        }
96    }
97}
98
99print $output_end;
100
101close(IN);
102