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 "glGetString") {
41    $prefix = "__";
42  }
43  
44  printf("%s API_ENTRY(%s%s)(%s)", $type, $prefix, $name, $args);
45  
46  printf(" {\n");
47  if ($type eq "void") {
48    printf("    CALL_GL_API(%s", $name);
49  } else {
50    printf("    CALL_GL_API_RETURN(%s", $name);
51  }
52  my @args = split ',', $args;
53  my $len = scalar(@args);
54  for (my $num = 0; $num < $len; $num++) {
55    if ($args[$num] ne "void") {
56      print ", ";
57      #
58      # extract the name from the parameter
59      # type name
60      # const type *name
61      # type *name
62      # type name[4]
63      #
64      if ($args[$num] =~ /(\S+\s)+\**\s*([\w]+)/) {
65        printf("%s", $2);
66      }
67    }
68  }
69  printf(");\n");
70  printf("}\n");
71}
72
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74
75
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77