mirror of
https://github.com/Perlmint/glew-cmake.git
synced 2024-11-30 02:17:07 +00:00
e4057d5b33
For VBO:
typedef ptrdiff_t GLsizeiptrARB;
typedef ptrdiff_t GLintptrARB;
as per email discussion with Marco Fabbricatore. See argumentation in
auto/bin/update_ext.sh and auto/src/glew_pre.h.
Windows needs to get this fixed. See glew_pre.h.
git-svn-id: https://glew.svn.sourceforge.net/svnroot/glew/trunk/glew@184 783a27ee-832a-0410-bc00-9f386506c6dd
306 lines
8.9 KiB
Perl
Executable File
306 lines
8.9 KiB
Perl
Executable File
#!/usr/bin/perl
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#
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# Copyright (C) 2003 Marcelo E. Magallon <mmagallo@debian.org>
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# Copyright (C) 2003 Milan Ikits <milan.ikits@ieee.org>
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#
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# This program is distributed under the terms and conditions of the GNU
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# General Public License Version 2 as published by the Free Software
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# Foundation or, at your option, any later version.
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use strict;
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use warnings;
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sub compile_regex
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{
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my $regex = join('', @_);
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return qr/$regex/
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}
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my @sections = (
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"Name",
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"Name Strings?",
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"New Procedures and Functions",
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"New Tokens",
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);
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my %typemap = (
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bitfield => "GLbitfield",
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boolean => "GLboolean",
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# fsck up in EXT_vertex_array
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Boolean => "GLboolean",
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byte => "GLbyte",
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clampd => "GLclampd",
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clampf => "GLclampf",
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double => "GLdouble",
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enum => "GLenum",
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# Intel fsck up
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Glenum => "GLenum",
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float => "GLfloat",
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half => "GLuint",
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int => "GLint",
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short => "GLshort",
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sizei => "GLsizei",
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ubyte => "GLubyte",
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uint => "GLuint",
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ushort => "GLushort",
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DMbuffer => "void *",
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# ARB VBO introduces these.
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sizeiptrARB => "GLsizeiptrARB",
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intptrARB => "GLintptrARB",
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# ARB shader objects introduces these, charARB is at least 8 bits,
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# handleARB is at least 32 bits
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charARB => "GLcharARB",
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handleARB => "GLhandleARB",
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# GLX 1.3 defines new types which might not be available at compile time
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#GLXFBConfig => "void*",
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#GLXFBConfigID => "XID",
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#GLXContextID => "XID",
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#GLXWindow => "XID",
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#GLXPbuffer => "XID",
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# Weird stuff to some SGIX extension
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#GLXFBConfigSGIX => "void*",
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#GLXFBConfigIDSGIX => "XID",
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);
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my %voidtypemap = (
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void => "GLvoid",
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);
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my %taboo_tokens = (
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GL_ZERO => 1,
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);
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# list of function definitions to be ignored, unless they are being defined in
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# the given spec. This is an ugly hack arround the fact that people writing
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# spec files seem to shut down all brain activity while they are at this task.
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#
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# This will be moved to its own file eventually.
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#
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# (mem, 2003-03-19)
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my %fnc_ignore_list = (
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"BindProgramARB" => "ARB_vertex_program",
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"ColorSubTableEXT" => "EXT_color_subtable",
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"DeleteProgramsARB" => "ARB_vertex_program",
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"GenProgramsARB" => "ARB_vertex_program",
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"GetProgramEnvParameterdvARB" => "ARB_vertex_program",
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"GetProgramEnvParameterfvARB" => "ARB_vertex_program",
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"GetProgramLocalParameterdvARB" => "ARB_vertex_program",
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"GetProgramLocalParameterfvARB" => "ARB_vertex_program",
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"GetProgramStringARB" => "ARB_vertex_program",
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"GetProgramivARB" => "ARB_vertex_program",
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"IsProgramARB" => "ARB_vertex_program",
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"ProgramEnvParameter4dARB" => "ARB_vertex_program",
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"ProgramEnvParameter4dvARB" => "ARB_vertex_program",
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"ProgramEnvParameter4fARB" => "ARB_vertex_program",
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"ProgramEnvParameter4fvARB" => "ARB_vertex_program",
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"ProgramLocalParameter4dARB" => "ARB_vertex_program",
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"ProgramLocalParameter4dvARB" => "ARB_vertex_program",
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"ProgramLocalParameter4fARB" => "ARB_vertex_program",
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"ProgramLocalParameter4fvARB" => "ARB_vertex_program",
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"ProgramStringARB" => "ARB_vertex_program",
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);
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my %regex = (
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eofnc => qr/(?:\);?$|^$)/, # ); $|^$
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extname => qr/^[A-Z][A-Za-z0-9_]+$/,
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function => qr/^(.+) ([a-z][a-z0-9_]*) \((.+)\)$/i,
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prefix => qr/^(?:[aw]?gl|glX)/, # (agl,wgl,glX) + cluster wo/ capturing
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tprefix => qr/^(?:[AW]?GL|GLX)_/, # (AGL,WGL,GLX) + cluster wo/ capturing
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section => compile_regex('^(', join('|', @sections), ')$'), # sections in spec
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token => qr/^([A-Z0-9][A-Z0-9_]*):?\s+((?:0x)?[0-9A-F]+)(.*)$/, # define tokens
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types => compile_regex('\b(', join('|', keys %typemap), ')\b'), # var types
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voidtype => compile_regex('\b(', keys %voidtypemap, ')\b '), # void type
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);
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# reshapes the the function declaration from multiline to single line form
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sub normalize_prototype
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{
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my $fnc = join(" ", @_);
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$fnc =~ s/\s+/ /g;
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$fnc =~ s/\s*\(\s*/ \(/;
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$fnc =~ s/\s*\)\s*/\)/;
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$fnc =~ s/\s*\*([a-zA-Z])/\* $1/;
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$fnc =~ s/\*wgl/\* wgl/;
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$fnc =~ s/\*glX/\* glX/;
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$fnc =~ s/\.\.\./void/;
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$fnc =~ s/;$//;
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return $fnc;
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}
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# Ugly hack to work arround the fact that functions are declared in more
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# than one spec file.
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sub ignore_function($$)
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{
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return exists($fnc_ignore_list{$_[0]}) && $fnc_ignore_list{$_[0]} ne $_[1]
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}
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sub parse_spec($)
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{
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my $filename = shift;
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my $extname = "";
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my $vendortag = "";
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my @extnames = ();
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my %functions = ();
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my %tokens = ();
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my $section = "";
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my @fnc = ();
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my %proc = (
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"Name" => sub {
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if (/^([a-z0-9]+)_([a-z0-9_]+)/i)
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{
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$extname = "$1_$2";
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$vendortag = $1;
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}
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},
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"Name Strings" => sub {
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# Add extension name to extension list
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# Does this look even plausible?
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push @extnames, $_ if (/$regex{extname}/)
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},
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"New Procedures and Functions" => sub {
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# if line matches end of function
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if (/$regex{eofnc}/)
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{
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# add line to function list
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push @fnc, $_;
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# my $f = normalize_prototype(@fnc);
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# print STDERR "$f\n";
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# if normalized version of function looks like a function
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if (normalize_prototype(@fnc) =~ /$regex{function}/)
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{
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# get return type, name, and arguments, add them to functions hash
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my ($return, $name, $parms) = ($1, $2, $3);
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# print STDERR "$1 | $2 | $3\n";
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if (!ignore_function($name, $extname))
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{
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$name =~ s/^/gl/ unless $name =~ /$regex{prefix}/;
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if ($name =~ /^gl/ && $name !~ /^glX/)
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{
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$return =~ s/$regex{types}/$typemap{$1}/og;
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$return =~ s/void\*/GLvoid */og;
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$parms =~ s/$regex{types}/$typemap{$1}/og;
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$parms =~ s/$regex{voidtype}/$voidtypemap{$1}/og;
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}
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$functions{$name} = {
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rtype => $return,
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parms => $parms,
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};
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}
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}
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# reset function list
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@fnc = ();
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} elsif ($_ ne "" and $_ ne "None") {
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# if not eof, add line to function list
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push @fnc, $_
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}
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},
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"New Tokens" => sub {
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if (/$regex{token}/)
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{
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my ($name, $value) = ($1, $2);
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#print STDERR "TOKEN: $1 | $2\n";
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# Prepend name with GL_, unless it is already prepended
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$name =~ s/^/GL_/ unless $name =~ /$regex{tprefix}/;
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# Add (name, value) pair to tokens hash, unless it's in taboo_tokens
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$tokens{$name} = $value unless exists $taboo_tokens{$name};
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}
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},
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);
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# Some people can't read
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$proc{"Name String"} = $proc{"Name Strings"};
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# Open spec file
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open SPEC, "<$filename" or return;
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# For each line of SPEC
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while(<SPEC>)
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{
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# Delete trailing newline character
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chomp;
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# Remove trailing white spaces
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s/\s+$//;
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# If starts with a capital letter, it must be a new section
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if (/^[A-Z]/)
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{
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# Match section name with one of the predefined names
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$section = /$regex{section}/ ? $1 : "default";
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} else {
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# If it's an internal line to a section, call the
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# appropriate section processing function if it exists
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# Remove whitespaces from the beginning of the line
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s/^\s+//;
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# Call appropriate processing function
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&{$proc{$section}} if exists $proc{$section};
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}
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}
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close SPEC;
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return ($extname, \@extnames, \%tokens, \%functions);
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}
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#----------------------------------------------------------------------------------------
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my @speclist = ();
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my %extensions = ();
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my $ext_dir = shift;
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my $reg_http = "http://oss.sgi.com/projects/ogl-sample/";
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# Take command line arguments or read list from file
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if (@ARGV)
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{
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@speclist = @ARGV;
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} else {
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local $/; #???
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@speclist = split "\n", (<>);
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}
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foreach my $spec (sort @speclist)
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{
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my ($extname, $extnames, $tokens, $functions) = parse_spec($spec);
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foreach my $ext (@{$extnames})
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{
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my $info = "$ext_dir/" . $ext;
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open EXT, ">$info";
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print EXT $ext . "\n";
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print EXT $reg_http . $spec . "\n";
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my $prefix = $ext;
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$prefix =~ s/^(.+?)(_.+)$/$1/;
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foreach my $token (sort { hex ${$tokens}{$a} <=> hex ${$tokens}{$b} } keys %{$tokens})
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{
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if ($token =~ /^$prefix.*/i)
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{
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print EXT "\t" . $token . " " . ${%{$tokens}}{$token} . "\n";
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}
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}
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foreach my $function (sort keys %{$functions})
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{
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if ($function =~ /^$prefix.*/i)
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{
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print EXT "\t" . ${$functions}{$function}{rtype} . " " . $function . " (" . ${$functions}{$function}{parms} . ")" . "\n";
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}
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}
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close EXT;
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}
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}
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