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#############################################################################
## Name: build/Wx/Overload/Driver.pm
## Purpose: builds overload constants
## Author: Mattia Barbon
## Modified by:
## Created: 17/08/2001
## RCS-ID: $Id: Driver.pm 2500 2008-11-05 22:17:53Z mbarbon $
## Copyright: (c) 2001-2003, 2005-2008 Mattia Barbon
## Licence: This program is free software; you can redistribute it and/or
## modify it under the same terms as Perl itself
#############################################################################
package Wx::Overload::Driver;
use strict;
use Symbol qw(gensym);
use Wx::Overload::Handle;
my %_name2type =
(
wimg => 'Wx::Image',
wbmp => 'Wx::Bitmap',
wico => 'Wx::Icon',
wmen => 'Wx::Menu',
wmit => 'Wx::MenuItem',
wrec => 'Wx::Rect',
wreg => 'Wx::Region',
wszr => 'Wx::Sizer',
wtip => 'Wx::ToolTip',
wwin => 'Wx::Window',
wcol => 'Wx::Colour',
wlci => 'Wx::ListItem',
wgco => 'Wx::GridCellCoords',
wdat => 'Wx::DataObject',
wcur => 'Wx::Cursor',
wehd => 'Wx::EvtHandler',
wfon => 'Wx::Font',
wdc => 'Wx::DC',
wfrm => 'Wx::Frame',
wsiz => 1,
wpoi => 1,
wist => 1,
wost => 1,
num => 1,
str => 1,
bool => 1,
arr => 1,
wpos => 1,
zzz => 1,
);
my %name2type = %_name2type;
my %constants;
sub new {
my( $class, %args ) = @_;
my $self = bless \%args, $class;
return $self;
}
sub process {
my( $self ) = @_;
$self->_parse;
$self->_write;
}
sub _parse {
my( $self ) = @_;
foreach my $i ( $self->files ) {
my %namedecl = %_name2type;
open my $fh, '<', $i or die "open '$i': $!";
while( <$fh> ) {
if( m/DECLARE_OVERLOAD\(\s*(\w+)\s*,\s*(\S+)\s*\)/ ) {
$namedecl{$1} = $2;
next if exists $name2type{$1} && $name2type{$1} eq $2;
die "Clashing type: '$1' was '$name2type{$1}', redeclared as '$2'"
if exists $name2type{$1};
$name2type{$1} = $2;
}
if( m/Wx::_match\(\s*\@_\s*,\s*\$Wx::_(\w+)\s*\,/ ||
m/wxPliOvl_(\w+)/ ) {
my $const = $1;
my @const = split /_/, $const;
foreach my $j ( @const ) {
$j = 'num' if $j eq 'n';
$j = 'str' if $j eq 's';
$j = 'bool' if $j eq 'b';
die "unrecognized type '$j' in file '$i'"
unless $namedecl{$j};
$constants{$const} = \@const;
}
}
}
}
}
sub _write {
my( $self ) = @_;
my @keys = ( ( sort grep { $name2type{$_} eq '1' } keys %name2type ),
( sort grep { $name2type{$_} ne '1' } keys %name2type ) );
my $vars_comma = join ", ",
map "\$$_",
@keys;
my $vars = $vars_comma; $vars =~ s/,//g;
my $types = join ", ",
map "'$name2type{$_}'",
grep $name2type{$_} ne '1',
@keys;
my $cpp_types = $types; $cpp_types =~ s/\'/\"/g;
# header
{
my $out = gensym;
tie *$out, 'Wx::Overload::Handle', $self->header;
my $enum = join ",\n",
map " wxPliOvl$_",
@keys;
print $out <<EOT;
// GENERATED FILE, DO NOT EDIT
#ifndef _CPP_OVERLOAD_H
#define _CPP_OVERLOAD_H
enum
{
wxPliOvl\_Dummy = 0,
$enum
};
#endif
EOT
foreach my $i ( sort keys %constants ) {
print $out "extern const wxPliPrototype wxPliOvl_${i};\n";
}
close $out;
}
# write source
{
my $out = gensym;
tie *$out, 'Wx::Overload::Handle', $self->source;
print $out <<EOT;
// GENERATED FILE, DO NOT EDIT
const char* wxPliOvl\_tnames[] = { 0,
$cpp_types
};
extern void wxPli_set_ovl_constant( const char* name,
const wxPliPrototype* value );
EOT
print $out <<EOT;
#ifndef WXPL_EXT
void SetOvlConstants()
{
dTHX;
EOT
foreach my $i ( sort keys %constants ) {
print $out <<EOT
wxPli_set_ovl_constant( \"$i\", &wxPliOvl_${i} );
EOT
}
print $out <<EOT;
}
#endif // WXPL_EXT
EOT
foreach my $i ( sort keys %constants ) {
my $count = scalar @{$constants{$i}};
print $out "const unsigned char wxPliOvl_${i}_datadef\[\] = { ";
print $out join ", ", map { "wxPliOvl$_" } @{$constants{$i}};
print $out " };\n";
print $out <<EOT;
const wxPliPrototype wxPliOvl_${i}
( wxPliOvl\_tnames, wxPliOvl_${i}_datadef, $count );
EOT
}
close $out;
}
}
sub source { $_[0]->{source} }
sub header { $_[0]->{header} }
sub files { @{$_[0]->{files}} }
1;
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