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33cb5d82b4
* generator/*.cs : refactoring of Parameters class. Added IEnumerable to Parameters and gracefully handle elem == null instead of special casing parms == null all over the place. Parameter logic is now Count driven. [Fixes #71750] svn path=/trunk/gtk-sharp/; revision=39594
116 lines
3.1 KiB
C#
116 lines
3.1 KiB
C#
// GtkSharp.Generation.VirtualMethod.cs - The VirtualMethod Generatable.
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//
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// Author: Mike Kestner <mkestner@novell.com>
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//
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// Copyright (c) 2003-2004 Novell, Inc.
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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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// FIXME: handle static VMs
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public class VirtualMethod {
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XmlElement elem;
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ReturnValue retval;
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Parameters parms;
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ImportSignature isig;
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public VirtualMethod (XmlElement elem, ClassBase container_type)
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{
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this.elem = elem;
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retval = new ReturnValue (elem ["return-type"]);
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parms = new Parameters (elem["parameters"]);
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isig = new ImportSignature (parms, container_type.NS);
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}
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public string CName {
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get {
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return elem.GetAttribute("cname");
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}
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}
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public string Declaration {
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get {
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VMSignature vmsig = new VMSignature (parms);
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return retval.CSType + " " + Name + " (" + vmsig + ");";
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}
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}
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public string MarshalReturnType {
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get {
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return SymbolTable.Table.GetToNativeReturnType (elem["return-type"].GetAttribute("type"));
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}
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}
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public string Name {
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get {
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return elem.GetAttribute("name");
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}
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}
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public string NativeDelegate {
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get {
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return "delegate " + MarshalReturnType + " " + Name + "Delegate (" + isig + ");";
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}
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}
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public void GenerateCallback (StreamWriter sw)
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{
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ManagedCallString call = new ManagedCallString (parms);
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string type = parms [0].CSType;
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string name = parms [0].Name;
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string call_string = "__obj." + Name + " (" + call + ")";
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sw.WriteLine ("\t\tstatic " + MarshalReturnType + " " + Name + "Callback (" + isig + ")");
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sw.WriteLine ("\t\t{");
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sw.WriteLine ("\t\t\t" + type + " __obj = GLib.Object.GetObject (" + name + ", false) as " + type + ";");
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sw.Write (call.Setup ("\t\t\t"));
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if (retval.CSType == "void")
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sw.WriteLine ("\t\t\t" + call_string + ";");
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else {
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sw.WriteLine ("\t\t\treturn " + SymbolTable.Table.ToNativeReturn (retval.CType, call_string) + ";");
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}
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sw.Write (call.Finish ("\t\t\t"));
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sw.WriteLine ("\t\t}");
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}
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public bool Validate ()
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{
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if (!parms.Validate () || !retval.Validate ()) {
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Console.Write ("in virtual method " + Name + " ");
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return false;
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}
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for (int i = 0; i < parms.Count; i++) {
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Parameter p = parms [i];
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if (p.Generatable is CallbackGen) {
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Console.Write("Callback: " + p.CSType + " in virtual method " + Name + " ");
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Statistics.ThrottledCount++;
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return false;
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}
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}
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return true;
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}
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}
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}
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