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![Mike Kestner](/assets/img/avatar_default.png)
* generator/*.cs: Add a LogWriter class which formats warnings consistently on the console. Supports the concept of non-fatal validation warnings, since it doesn't rely on the unrolling of the validation stack to associate a warning to a given type. Main purpose was to add a non-fatal warning for missing element_type attributes on list return values, though it results in cleaner log output, and also updates some warning messages to be more helpful in how to resolve them.
238 lines
7.3 KiB
C#
238 lines
7.3 KiB
C#
// GtkSharp.Generation.OpaqueGen.cs - The Opaque Generatable.
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//
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// Author: Mike Kestner <mkestner@speakeasy.net>
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//
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// Copyright (c) 2001-2003 Mike Kestner
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of version 2 of the GNU General Public
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// License as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the
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// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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// Boston, MA 02111-1307, USA.
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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 OpaqueGen : HandleBase {
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public OpaqueGen (XmlElement ns, XmlElement elem) : base (ns, elem) {}
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public override string FromNative(string var, bool owned)
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{
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return var + " == IntPtr.Zero ? null : (" + QualifiedName + ") GLib.Opaque.GetOpaque (" + var + ", typeof (" + QualifiedName + "), " + (owned ? "true" : "false") + ")";
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}
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private bool DisableRawCtor {
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get {
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return Elem.HasAttribute ("disable_raw_ctor");
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}
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}
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public override void Generate (GenerationInfo gen_info)
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{
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gen_info.CurrentType = QualifiedName;
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StreamWriter sw = gen_info.Writer = gen_info.OpenStream (Name);
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sw.WriteLine ("namespace " + NS + " {");
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sw.WriteLine ();
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sw.WriteLine ("\tusing System;");
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sw.WriteLine ("\tusing System.Collections;");
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sw.WriteLine ("\tusing System.Runtime.InteropServices;");
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sw.WriteLine ();
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sw.WriteLine ("#region Autogenerated code");
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SymbolTable table = SymbolTable.Table;
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Method ref_, unref, dispose;
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GetSpecialMethods (out ref_, out unref, out dispose);
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if (IsDeprecated)
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sw.WriteLine ("\t[Obsolete]");
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sw.Write ("\t{0} partial {1}class " + Name, IsInternal ? "internal" : "public", IsAbstract ? "abstract " : String.Empty);
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string cs_parent = table.GetCSType(Elem.GetAttribute("parent"));
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if (cs_parent != "")
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sw.Write (" : " + cs_parent);
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else
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sw.Write (" : GLib.Opaque");
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foreach (string iface in managed_interfaces) {
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if (Parent != null && Parent.Implements (iface))
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continue;
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sw.Write (", " + iface);
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}
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sw.WriteLine (" {");
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sw.WriteLine ();
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GenFields (gen_info);
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GenMethods (gen_info, null, null);
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GenCtors (gen_info);
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if (ref_ != null) {
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ref_.GenerateImport (sw);
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sw.WriteLine ("\t\tprotected override void Ref (IntPtr raw)");
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sw.WriteLine ("\t\t{");
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sw.WriteLine ("\t\t\tif (!Owned) {");
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sw.WriteLine ("\t\t\t\t" + ref_.CName + " (raw);");
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sw.WriteLine ("\t\t\t\tOwned = true;");
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sw.WriteLine ("\t\t\t}");
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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if (ref_.IsDeprecated) {
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sw.WriteLine ("\t\t[Obsolete(\"" + QualifiedName + " is now refcounted automatically\")]");
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if (ref_.ReturnType == "void")
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sw.WriteLine ("\t\tpublic void Ref () {}");
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else
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sw.WriteLine ("\t\tpublic " + Name + " Ref () { return this; }");
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sw.WriteLine ();
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}
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}
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bool finalizer_needed = false;
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if (unref != null) {
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unref.GenerateImport (sw);
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sw.WriteLine ("\t\tprotected override void Unref (IntPtr raw)");
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sw.WriteLine ("\t\t{");
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sw.WriteLine ("\t\t\tif (Owned) {");
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sw.WriteLine ("\t\t\t\t" + unref.CName + " (raw);");
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sw.WriteLine ("\t\t\t\tOwned = false;");
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sw.WriteLine ("\t\t\t}");
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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if (unref.IsDeprecated) {
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sw.WriteLine ("\t\t[Obsolete(\"" + QualifiedName + " is now refcounted automatically\")]");
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sw.WriteLine ("\t\tpublic void Unref () {}");
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sw.WriteLine ();
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}
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finalizer_needed = true;
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}
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if (dispose != null) {
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dispose.GenerateImport (sw);
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sw.WriteLine ("\t\tprotected override void Free (IntPtr raw)");
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sw.WriteLine ("\t\t{");
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sw.WriteLine ("\t\t\t" + dispose.CName + " (raw);");
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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if (dispose.IsDeprecated) {
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sw.WriteLine ("\t\t[Obsolete(\"" + QualifiedName + " is now freed automatically\")]");
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sw.WriteLine ("\t\tpublic void " + dispose.Name + " () {}");
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sw.WriteLine ();
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}
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finalizer_needed = true;
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}
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if (finalizer_needed) {
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sw.WriteLine ("\t\tclass FinalizerInfo {");
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sw.WriteLine ("\t\t\tIntPtr handle;");
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sw.WriteLine ();
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sw.WriteLine ("\t\t\tpublic FinalizerInfo (IntPtr handle)");
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sw.WriteLine ("\t\t\t{");
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sw.WriteLine ("\t\t\t\tthis.handle = handle;");
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sw.WriteLine ("\t\t\t}");
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sw.WriteLine ();
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sw.WriteLine ("\t\t\tpublic bool Handler ()");
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sw.WriteLine ("\t\t\t{");
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if (dispose != null)
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sw.WriteLine ("\t\t\t\t{0} (handle);", dispose.CName);
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else if (unref != null)
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sw.WriteLine ("\t\t\t\t{0} (handle);", unref.CName);
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sw.WriteLine ("\t\t\t\treturn false;");
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sw.WriteLine ("\t\t\t}");
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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sw.WriteLine ("\t\t~{0} ()", Name);
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sw.WriteLine ("\t\t{");
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sw.WriteLine ("\t\t\tif (!Owned)");
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sw.WriteLine ("\t\t\t\treturn;");
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sw.WriteLine ("\t\t\tFinalizerInfo info = new FinalizerInfo (Handle);");
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sw.WriteLine ("\t\t\tGLib.Timeout.Add (50, new GLib.TimeoutHandler (info.Handler));");
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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}
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#if false
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Method copy = Methods ["Copy"] as Method;
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if (copy != null && copy.Parameters.Count == 0) {
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sw.WriteLine ("\t\tprotected override GLib.Opaque Copy (IntPtr raw)");
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sw.WriteLine ("\t\t{");
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sw.WriteLine ("\t\t\tGLib.Opaque result = new " + QualifiedName + " (" + copy.CName + " (raw));");
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sw.WriteLine ("\t\t\tresult.Owned = true;");
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sw.WriteLine ("\t\t\treturn result;");
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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}
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#endif
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sw.WriteLine ("#endregion");
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AppendCustom(sw, gen_info.CustomDir);
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sw.WriteLine ("\t}");
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sw.WriteLine ("}");
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sw.Close ();
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gen_info.Writer = null;
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Statistics.OpaqueCount++;
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}
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void GetSpecialMethods (out Method ref_, out Method unref, out Method dispose)
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{
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ref_ = CheckSpecialMethod (GetMethod ("Ref"));
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unref = CheckSpecialMethod (GetMethod ("Unref"));
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dispose = GetMethod ("Free");
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if (dispose == null) {
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dispose = GetMethod ("Destroy");
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if (dispose == null)
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dispose = GetMethod ("Dispose");
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}
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dispose = CheckSpecialMethod (dispose);
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}
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Method CheckSpecialMethod (Method method)
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{
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if (method == null)
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return null;
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if (method.ReturnType != "void" &&
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method.ReturnType != QualifiedName)
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return null;
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if (method.Signature.ToString () != "")
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return null;
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methods.Remove (method.Name);
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return method;
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}
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protected override void GenCtors (GenerationInfo gen_info)
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{
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if (!DisableRawCtor) {
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gen_info.Writer.WriteLine("\t\tpublic " + Name + "(IntPtr raw) : base(raw) {}");
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gen_info.Writer.WriteLine();
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}
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base.GenCtors (gen_info);
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}
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}
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}
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