nobody at rubyforge.org
2007-Jul-21 11:08 UTC
[Wxruby-development] [1127] trunk/wxruby2: Move shared C++ GC functions into separate file included into wx.i
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<title>[1127] trunk/wxruby2: Move shared C++ GC functions into separate
file included into wx.i</title>
</head>
<body>
<div id="msg">
<dl>
<dt>Revision</dt> <dd>1127</dd>
<dt>Author</dt> <dd>brokentoy</dd>
<dt>Date</dt> <dd>2007-07-21 07:08:38 -0400 (Sat, 21 Jul
2007)</dd>
</dl>
<h3>Log Message</h3>
<pre>Move shared C++ GC functions into separate file included into
wx.i</pre>
<h3>Modified Paths</h3>
<ul>
<li><a
href="#trunkwxruby2rakerakewxrb">trunk/wxruby2/rake/rakewx.rb</a></li>
<li><a
href="#trunkwxruby2swigwxi">trunk/wxruby2/swig/wx.i</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a
href="#trunkwxruby2swigmark_free_impli">trunk/wxruby2/swig/mark_free_impl.i</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkwxruby2rakerakewxrb"></a>
<div class="modfile"><h4>Modified:
trunk/wxruby2/rake/rakewx.rb (1126 => 1127)</h4>
<pre class="diff"><span>
<span class="info">---
trunk/wxruby2/rake/rakewx.rb        2007-07-20
21:21:08 UTC (rev 1126)
+++
trunk/wxruby2/rake/rakewx.rb        2007-07-21
11:08:38 UTC (rev 1127)
</span><span class="lines">@@ -28,7 +28,7 @@
</span><span class="cx"> $optional_dir =
File.join($classes_dir, ''optional'')
</span><span class="cx"> $optional_h_dir =
File.join($optional_dir, ''include'')
</span><span class="cx">
</span><del>-$swig_cmd = "swig"
</del><ins>+$swig_cmd = ENV[''SWIGCMD''] ||
"swig"
</ins><span class="cx"> $swig_options =
''''
</span><span class="cx"> $swig_minimum_version =
''1.3.29''
</span><span class="cx">
</span><span class="lines">@@ -224,8 +224,7 @@
</span><span class="cx"> def
create_swig_helper_task(base_name)
</span><span class="cx"> cpp_file =
cpp_file(base_name)
</span><span class="cx"> swig_file =
special_swig_file(base_name)
</span><del>-
- file(cpp_file => swig_file) do |t|
</del><ins>+ file(cpp_file => swig_file ) do |t|
</ins><span class="cx"> do_swig(swig_file,
cpp_file, $swig_options)
</span><span class="cx"> post_process(cpp_file,
"fixmodule.rb")
</span><span class="cx"> end
</span><span class="lines">@@ -259,8 +258,8 @@
</span><span class="cx"> def
create_swig_main_task(base_name)
</span><span class="cx"> cpp_file =
cpp_file(base_name)
</span><span class="cx"> swig_file =
special_swig_file(base_name)
</span><del>-
- file(cpp_file => swig_file) do |t|
</del><ins>+ mark_free =
special_swig_file("mark_free_impl")
+ file(cpp_file => [ swig_file, mark_free ] ) do |t|
</ins><span class="cx"> do_swig(swig_file,
cpp_file, "")
</span><span class="cx"> post_process(cpp_file,
"fixmainmodule.rb")
</span><span class="cx">
add_initializers(cpp_file)
</span></span></pre></div>
<a id="trunkwxruby2swigmark_free_impli"></a>
<div class="addfile"><h4>Added:
trunk/wxruby2/swig/mark_free_impl.i (0 => 1127)</h4>
<pre class="diff"><span>
<span class="info">---
trunk/wxruby2/swig/mark_free_impl.i        
(rev 0)
+++
trunk/wxruby2/swig/mark_free_impl.i        2007-07-21
11:08:38 UTC (rev 1127)
</span><span class="lines">@@ -0,0 +1,133 @@
</span><ins>+// Copyright 2004-2007, WxRuby development team
+// released under the MIT-style wxruby2 license
+
+// mark_free_impl.i - this contains the C++ implementation of various
+// common GC-related functions, such as shared %mark functions and
+// methods for checking and setting whether a wxWidgets window has been
+// destroyed. It is compiled into wx.cpp.
+
+
+%{
+static VALUE wx_destroyed_sym = rb_intern("@__wx_destroyed__");
+
+// Code to be run when the ruby object is swept by GC - this only
+// unlinks the C++ object from the ruby VALUE but doesn''t delete
+// it because it is still needed and will be managed by WxWidgets.
+void GcNullFreeFunc(void *ptr)
+{
+ SWIG_RubyRemoveTracking(ptr);
+}
+
+// Tests if the window has been signalled as destroyed by a
+// WindowDestroyEvent handled by wxRubyApp
+bool GC_IsWindowDeleted(void *ptr)
+{
+ VALUE rb_win = SWIG_RubyInstanceFor(ptr);
+ if ( rb_ivar_defined(rb_win, wx_destroyed_sym ) )
+        return
true;
+ else
+        return
false;
+}
+
+// Notes that the window has been signalled as destroyed by a
+// WindowDestroyEvent handled by wxRubyApp
+void GC_SetWindowDeleted(void *ptr)
+{
+ VALUE rb_win = SWIG_RubyInstanceFor(ptr);
+ if ( rb_win != Qnil )
+        {
+        
rb_ivar_set(rb_win, wx_destroyed_sym, Qtrue);
+        }
+}
+
+// Carries out marking of Sizer objects belonging to a Wx::Window. Note
+// that this isn''t done as a standard mark routine because ONLY sizers
+// that are known to belong to a still-alive window should be marked,
+// not those picked up as marked by in-scope variables by
+// Ruby. Otherwise, segfaults may result. Because Sizers are SWIG
+// directors, they must be preserved from GC.
+void GC_mark_SizerBelongingToWindow(wxSizer *wx_sizer, VALUE rb_sizer)
+{
+ // First, mark this sizer
+ rb_gc_mark( rb_sizer );
+
+ // Then loop over hte sizer''s content and mark each sub-sizer in
turn
+ wxSizerItemList& children = wx_sizer->GetChildren();
+ for ( wxwxSizerItemListNode *node = children.GetFirst();
+                node;
+                node
= node->GetNext() )
+        {
+        
wxSizerItem* item = node->GetData();
+        
wxSizer* child_sizer = item->GetSizer();
+         if (
child_sizer )
+                {
+                
VALUE rb_child_sizer = SWIG_RubyInstanceFor(child_sizer);
+                
if ( rb_child_sizer != Qnil )
+                        {
GC_mark_SizerBelongingToWindow(child_sizer, rb_child_sizer); }
+                }
+        }
+
+}
+// Similar to Sizers, MenuBar requires a special mark routine. This is
+// because Wx::Menu is not a subclass of Window so isn''t automatically
+// protected in the mark phase by Wx::App. However, the ruby object
+// still must not be destroyed while it is still accessible on screen,
+// because it may still handle events. Rather than a SWIG %markfunc,
+// which can catch destroyed MenuBars linked to an in-scope ruby
+// variable and cause segfaults, MenuBars are always marked via the
+// containing Frame.
+void GC_mark_MenuBarBelongingToFrame(wxMenuBar *menu_bar)
+{
+ rb_gc_mark( SWIG_RubyInstanceFor(menu_bar) );
+ // Mark each menu in the menubar in turn
+ for ( int i = 0; i < menu_bar->GetMenuCount(); i++ )
+        {
+        
wxMenu* menu = menu_bar->GetMenu(i);
+        
rb_gc_mark( SWIG_RubyInstanceFor(menu) );
+        }
+
+}
+
+// Default mark routine for Windows - preserve the main sizer and caret
+// belong to this window
+void GC_mark_wxWindow(void *ptr)
+{
+ // can occasionally be NULL if called in an evt_create handler
+ if ( ! ptr ) return;
+ if ( GC_IsWindowDeleted(ptr) ) return;
+
+ wxWindow* wx_win = (wxWindow*)ptr;
+ wxSizer* wx_sizer = wx_win->GetSizer();
+ if ( wx_sizer )
+        {
+         VALUE
rb_sizer = SWIG_RubyInstanceFor(wx_sizer);
+         if (
rb_sizer != Qnil )
+                GC_mark_SizerBelongingToWindow(wx_sizer,
rb_sizer);
+        }
+
+ wxCaret* wx_caret = wx_win->GetCaret();
+ if ( wx_caret )
+        {
+         VALUE
rb_caret = SWIG_RubyInstanceFor(wx_caret);
+        
rb_gc_mark(rb_caret);
+        }
+}
+
+
+void GC_mark_wxFrame(void *ptr)
+{
+ if ( ! ptr ) return;
+ if ( GC_IsWindowDeleted(ptr) ) return;
+
+ // Frames are also a subclass of wxWindow, so must do all the marking
+ // of sizers and carets associated with that class
+ GC_mark_wxWindow(ptr);
+
+ wxFrame* wx_frame = (wxFrame*)ptr;
+ // Then mark the MenuBar, if one is associated with this Frame
+
+ wxMenuBar* menu_bar = wx_frame->GetMenuBar();
+ if ( menu_bar )
+        {
GC_mark_MenuBarBelongingToFrame(menu_bar); }
+}
+%}
</ins></span></pre></div>
<a id="trunkwxruby2swigwxi"></a>
<div class="modfile"><h4>Modified: trunk/wxruby2/swig/wx.i
(1126 => 1127)</h4>
<pre class="diff"><span>
<span class="info">---
trunk/wxruby2/swig/wx.i        2007-07-20
21:21:08 UTC (rev 1126)
+++
trunk/wxruby2/swig/wx.i        2007-07-21
11:08:38 UTC (rev 1127)
</span><span class="lines">@@ -1,5 +1,5 @@
</span><del>-# Copyright 2004-2005 by Kevin Smith
-# released under the MIT-style wxruby2 license
</del><ins>+// Copyright 2004-2007, wxRuby development team
+// released under the MIT-style wxruby2 license
</ins><span class="cx">
</span><span class="cx"> %module(directors="1")
wxruby2
</span><span class="cx">
</span><span class="lines">@@ -13,126 +13,10 @@
</span><span class="cx"> #include <wx/filesys.h>
</span><span class="cx"> #include <wx/fs_zip.h>
</span><span class="cx">
</span><del>-// Code to be run when the ruby object is swept by GC -
this only
-// unlinks the C++ object from the ruby VALUE but doesn''t delete
-// it because it is still needed and will be managed by WxWidgets.
-void GcNullFreeFunc(void *ptr)
-{
- SWIG_RubyRemoveTracking(ptr);
-}
-
-static VALUE wx_destroyed_sym = rb_intern("@__wx_destroyed__");
-
-// Tests if the window has been signalled as destroyed by a
-// WindowDestroyEvent handled by wxRubyApp
-bool GC_IsWindowDeleted(void *ptr)
-{
- VALUE rb_win = SWIG_RubyInstanceFor(ptr);
- return ( rb_ivar_defined(rb_win, wx_destroyed_sym ) );
-}
-
-// Notes that the window has been signalled as destroyed by a
-// WindowDestroyEvent handled by wxRubyApp
-void GC_SetWindowDeleted(void *ptr)
-{
- VALUE rb_win = SWIG_RubyInstanceFor(ptr);
- if ( rb_win != Qnil )
-        rb_ivar_set(rb_win,
wx_destroyed_sym, Qtrue);
-}
-
-// Carries out marking of Sizer objects belonging to a Wx::Window. Note
-// that this isn''t done as a standard mark routine because ONLY sizers
-// that are known to belong to a still-alive window should be marked,
-// not those picked up as marked by in-scope variables by
-// Ruby. Otherwise, segfaults may result. Because Sizers are SWIG
-// directors, they must be preserved from GC.
-void GC_mark_SizerBelongingToWindow(wxSizer *wx_sizer, VALUE rb_sizer)
-{
- // First, mark this sizer
- rb_gc_mark( rb_sizer );
-
- // Then loop over hte sizer''s content and mark each sub-sizer in
turn
- wxSizerItemList& children = wx_sizer->GetChildren();
- for ( wxwxSizerItemListNode *node = children.GetFirst();
-                node;
-                node
= node->GetNext() )
-        {
-        
wxSizerItem* item = node->GetData();
-        
wxSizer* child_sizer = item->GetSizer();
-         if (
child_sizer )
-                {
-                
VALUE rb_child_sizer = SWIG_RubyInstanceFor(child_sizer);
-                
if ( rb_child_sizer != Qnil )
-                        {
GC_mark_SizerBelongingToWindow(child_sizer, rb_child_sizer); }
-                }
-        }
-
-}
-// Similar to Sizers, MenuBar requires a special mark routine. This is
-// because Wx::Menu is not a subclass of Window so isn''t automatically
-// protected in the mark phase by Wx::App. However, the ruby object
-// still must not be destroyed while it is still accessible on screen,
-// because it may still handle events. Rather than a SWIG %markfunc,
-// which can catch destroyed MenuBars linked to an in-scope ruby
-// variable and cause segfaults, MenuBars are always marked via the
-// containing Frame.
-void GC_mark_MenuBarBelongingToFrame(wxMenuBar *menu_bar)
-{
- rb_gc_mark( SWIG_RubyInstanceFor(menu_bar) );
- // Mark each menu in the menubar in turn
- for ( int i = 0; i < menu_bar->GetMenuCount(); i++ )
-        {
-        
wxMenu* menu = menu_bar->GetMenu(i);
-        
rb_gc_mark( SWIG_RubyInstanceFor(menu) );
-        }
-
-}
-
-// Default mark routine for Windows - preserve the main sizer and caret
-// belong to this window
-void GC_mark_wxWindow(void *ptr)
-{
- // can occasionally be NULL if called in an evt_create handler
- if ( ! ptr ) return;
- if ( GC_IsWindowDeleted(ptr) ) return;
-
- wxWindow* wx_win = (wxWindow*)ptr;
- wxSizer* wx_sizer = wx_win->GetSizer();
- if ( wx_sizer )
-        {
-         VALUE
rb_sizer = SWIG_RubyInstanceFor(wx_sizer);
-         if (
rb_sizer != Qnil )
-                GC_mark_SizerBelongingToWindow(wx_sizer,
rb_sizer);
-        }
-
- wxCaret* wx_caret = wx_win->GetCaret();
- if ( wx_caret )
-        {
-         VALUE
rb_caret = SWIG_RubyInstanceFor(wx_caret);
-        
rb_gc_mark(rb_caret);
-        }
-}
-
-
-void GC_mark_wxFrame(void *ptr)
-{
- if ( ! ptr ) return;
- if ( GC_IsWindowDeleted(ptr) ) return;
-
- // Frames are also a subclass of wxWindow, so must do all the marking
- // of sizers and carets associated with that class
- GC_mark_wxWindow(ptr);
-
- wxFrame* wx_frame = (wxFrame*)ptr;
- // Then mark the MenuBar, if one is associated with this Frame
-
- wxMenuBar* menu_bar = wx_frame->GetMenuBar();
- if ( menu_bar )
-        {
GC_mark_MenuBarBelongingToFrame(menu_bar); }
-}
-
</del><span class="cx"> %}
</span><span class="cx">
</span><ins>+%include "mark_free_impl.i"
+
</ins><span class="cx"> %init %{
</span><span class="cx">
</span><span class="cx"> extern void
InitializeOtherModules();
</span></span></pre>
</div>
</div>
</body>
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- [1123] trunk/wxruby2/swig/wx.i: Check sizers being marked have a ruby rep and are not internal Wx-only,
- [1108] trunk/wxruby2/swig: Revised mem mgmt for Sizers to address more GC crashes in Sizers demo
- [1032] trunk/wxruby2/swig: Preserve Sizers associated with Windows from GC; fix several sample
- [1109] trunk/wxruby2/swig: Move marking of MenuBar from direct %markfunc to via mark_wxFrame, so
Wisdom of the Ancients
