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![Gonzalo Paniagua Javier](/assets/img/avatar_default.png)
* generator/CallbackGen.cs: the new generated wrappers have: -(optional) Field of the same type returned by the callback. -A call to RemoveIfNotAlive at the beginning. It returns true, return the dummy field. -Added an object to the ctor signature and pass it to the base class. * generator/Ctor.cs: added a Params property. * generator/Method.cs: set Static property in Parameters if the method is static. * generator/Parameters.cs: added Static property. The call creation of the delegate wrapper (if applicable) uses the new signature. Pass a null as object is the method is static. * generator/StructBase.cs: set Static for the parameters of the ctors. * glib/DelegateWrapper.cs: the ctor takes an object (the one creating the wrapper or null) and creates a weak reference to it. Store it in a static Hashtable (this way the wrapper itself is not garbage collected). (RemoveIfNotAlive): called from the native delegate callbacks. If the target of the weak reference has been garbage collected, removes itself from the hashtable to let the GC dispose this instance and returns true. * gdk/Pixbuf.custom: * gtk/Clipboard.custom: * gtk/GtkSharp.GtkClipboardClearFuncNative.cs: * gtk/GtkSharp.GtkClipboardGetFuncNative.cs: * glade/XML.custom: changed delegate wrappers to match the new signature. svn path=/trunk/gtk-sharp/; revision=13237
169 lines
4.4 KiB
C#
169 lines
4.4 KiB
C#
// GtkSharp.Generation.Ctor.cs - The Constructor Generation Class.
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//
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// Author: Mike Kestner <mkestner@speakeasy.net>
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//
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// (c) 2001-2002 Mike Kestner
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namespace GtkSharp.Generation {
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using System;
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using System.Collections;
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using System.IO;
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using System.Xml;
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public class Ctor {
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private string libname;
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private XmlElement elem;
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private Parameters parms;
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private bool preferred;
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private String clashName = null;
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private ClassBase container_type;
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private bool force_static;
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public bool Preferred {
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get { return preferred; }
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set { preferred = value; }
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}
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public bool ForceStatic {
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get { return force_static; }
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set { force_static = value; }
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}
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public Parameters Params {
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get { return parms; }
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}
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public Ctor (string libname, XmlElement elem, ClassBase container_type) {
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this.libname = libname;
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this.elem = elem;
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this.container_type = container_type;
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XmlElement parms_elem = elem ["parameters"];
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if (parms_elem != null)
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parms = new Parameters (parms_elem);
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if (elem.HasAttribute ("preferred"))
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preferred = true;
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}
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public bool Validate ()
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{
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if (parms != null) {
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if (!parms.Validate ()) {
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Console.Write("ctor ");
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Statistics.ThrottledCount++;
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return false;
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}
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parms.CreateSignature (false);
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}
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return true;
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}
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public void InitClashMap (Hashtable clash_map)
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{
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string sigtypes = (parms != null) ? parms.SignatureTypes : "";
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if (clash_map.ContainsKey (sigtypes)) {
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int num = (int) clash_map[sigtypes];
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clash_map[sigtypes] = ++num;
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}
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else
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clash_map[sigtypes] = 0;
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}
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public void Initialize (Hashtable clash_map)
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{
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string sig = "()";
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string sigtypes = "";
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if (parms != null) {
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sig = "(" + parms.Signature + ")";
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sigtypes = parms.SignatureTypes;
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}
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int clashes = (int) clash_map[sigtypes];
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string cname = elem.GetAttribute("cname");
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if (force_static || (clashes > 0 && !Preferred)) {
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String mname = cname.Substring(cname.IndexOf("new"));
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mname = mname.Substring(0,1).ToUpper() + mname.Substring(1);
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int idx;
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while ((idx = mname.IndexOf("_")) > 0) {
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mname = mname.Substring(0, idx) + mname.Substring(idx+1, 1).ToUpper() + mname.Substring(idx+2);
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}
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clashName = mname + sig;
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}
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}
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public void Generate (StreamWriter sw)
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{
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string sigtypes = "";
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string sig = "()";
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string call = "()";
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string isig = "();";
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if (parms != null) {
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call = "(" + parms.CallString + ")";
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sig = "(" + parms.Signature + ")";
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isig = "(" + parms.ImportSig + ");";
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sigtypes = parms.SignatureTypes;
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}
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string cname = elem.GetAttribute("cname");
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string name = ((XmlElement)elem.ParentNode).GetAttribute("name");
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string safety;
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if (parms != null && parms.ThrowsException)
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safety = "unsafe ";
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else
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safety = "";
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sw.WriteLine("\t\t[DllImport(\"" + libname + "\")]");
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sw.WriteLine("\t\tstatic extern " + safety + "IntPtr " + cname + isig);
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sw.WriteLine();
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sw.WriteLine("\t\t/// <summary> " + name + " Constructor </summary>");
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sw.WriteLine("\t\t/// <remarks> To be completed </remarks>");
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if (clashName != null) {
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string modifiers = "";
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Ctor dup = null;
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ObjectGen parent = (ObjectGen) container_type.Parent;
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while (dup == null && parent != null) {
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foreach (Ctor c in parent.Ctors) {
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if (c.clashName == clashName) {
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dup = c;
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modifiers = "new ";
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break;
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}
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}
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parent = (ObjectGen) parent.Parent;
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}
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sw.WriteLine("\t\tpublic static " + safety + modifiers + name + " " + clashName);
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sw.WriteLine("\t\t{");
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if (parms != null)
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parms.Initialize(sw, false, false, "");
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sw.Write("\t\t\treturn ");
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if (container_type is StructBase)
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sw.Write ("{0}.New (", name);
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else
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sw.Write ("new {0} (", name);
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sw.WriteLine (cname + call + ");");
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} else {
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sw.WriteLine("\t\tpublic " + safety + name + sig);
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sw.WriteLine("\t\t{");
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if (parms != null)
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parms.Initialize(sw, false, false, "");
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sw.WriteLine("\t\t\t{0} = {1}{2};", container_type.AssignToName, cname, call);
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if (parms != null)
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parms.HandleException (sw, "");
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}
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sw.WriteLine("\t\t}");
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sw.WriteLine();
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Statistics.CtorCount++;
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}
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}
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}
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