1#! /usr/bin/perl
2#
3# Copyright (C) 2008 Google Inc.
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#      http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17use strict;
18
19sub rtrim($)
20{
21    my $string = shift;
22    $string =~ s/\s+$//;
23    return $string;
24}
25
26while (my $line = <>) {
27  next if $line =~ /^\//;
28  next if $line =~ /^#/;
29  next if $line =~ /^\s*$/;
30  if ($line !~ /^GL_API(CALL)?\s+(.+)\s+GL_APIENTRY\s+([\w]+)\s*\(([^\)]+)\);/) {
31    next;
32  }
33  my $type = rtrim($2);
34  my $name = $3;
35  my $args = $4;
36
37  #printf("%s", $line);
38  
39  my $prefix = "";
40  if ($name eq "glEGLImageTargetTexture2DOES") {
41    $prefix = "__";
42  }
43  if ($name eq "glEGLImageTargetRenderbufferStorageOES") {
44    $prefix = "__";
45  }
46  
47  printf("%s API_ENTRY(%s%s)(%s)", $type, $prefix, $name, $args);
48  
49  printf(" {\n");
50  if ($type eq "void") {
51    printf("    CALL_GL_API(%s", $name);
52  } else {
53    printf("    CALL_GL_API_RETURN(%s", $name);
54  }
55  my @args = split ',', $args;
56  my $len = scalar(@args);
57  for (my $num = 0; $num < $len; $num++) {
58    if ($args[$num] ne "void") {
59      print ", ";
60      #
61      # extract the name from the parameter
62      # type name
63      # const type *name
64      # type *name
65      # type name[4]
66      #
67      if ($args[$num] =~ /(\S+\s)+\**\s*([\w]+)/) {
68        printf("%s", $2);
69      }
70    }
71  }
72  printf(");\n");
73  printf("}\n");
74}
75
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80