f96454a364
* generator/*.cs : add gpl license blurb and clean up (c)'s. * parser/* : ditto * doc/*.cs : ditto * doc/gen-handlerargs-docs.cs : add little scripty. svn path=/trunk/gtk-sharp/; revision=30398
378 lines
8.3 KiB
C#
378 lines
8.3 KiB
C#
// GtkSharp.Generation.ClassBase.cs - Common code between object
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// and interface wrappers
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//
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// Authors: Rachel Hestilow <hestilow@ximian.com>
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// Mike Kestner <mkestner@speakeasy.net>
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//
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// Copyright (c) 2002 Rachel Hestilow
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// Copyright (c) 2001-2003 Mike Kestner
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// Copyright (c) 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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public class ClassBase : GenBase {
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protected Hashtable props = new Hashtable();
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protected Hashtable sigs = new Hashtable();
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protected Hashtable methods = new Hashtable();
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protected ArrayList interfaces = null;
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protected ArrayList ctors = new ArrayList();
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private bool ctors_initted = false;
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private Hashtable clash_map;
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public Hashtable Methods {
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get {
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return methods;
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}
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}
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public Hashtable Signals {
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get {
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return sigs;
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}
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}
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public ClassBase Parent {
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get {
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string parent = Elem.GetAttribute("parent");
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if (parent == "")
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return null;
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else
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return SymbolTable.Table.GetClassGen(parent);
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}
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}
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protected ClassBase (XmlElement ns, XmlElement elem) : base (ns, elem) {
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foreach (XmlNode node in elem.ChildNodes) {
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if (!(node is XmlElement)) continue;
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XmlElement member = (XmlElement) node;
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if (member.HasAttribute ("hidden"))
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continue;
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string name;
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switch (node.Name) {
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case "method":
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name = member.GetAttribute("name");
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while (methods.ContainsKey(name))
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name += "mangled";
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methods.Add (name, new Method (LibraryName, member, this));
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break;
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case "property":
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name = member.GetAttribute("name");
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while (props.ContainsKey(name))
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name += "mangled";
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props.Add (name, new Property (member, this));
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break;
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case "signal":
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name = member.GetAttribute("name");
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while (sigs.ContainsKey(name))
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name += "mangled";
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sigs.Add (name, new Signal (member, this));
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break;
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case "implements":
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interfaces = ParseImplements (member);
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break;
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case "constructor":
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ctors.Add (new Ctor (LibraryName, member, this));
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break;
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default:
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break;
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}
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}
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}
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protected bool IsNodeNameHandled (string name)
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{
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switch (name) {
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case "method":
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case "property":
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case "signal":
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case "implements":
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case "constructor":
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case "disabledefaultconstructor":
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return true;
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default:
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return false;
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}
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}
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public virtual string MarshalType {
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get
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{
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return "IntPtr";
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}
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}
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public virtual string MarshalReturnType {
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get
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{
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return "IntPtr";
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}
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}
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public virtual string CallByName (string var_name)
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{
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return var_name + ".Handle";
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}
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public virtual string CallByName ()
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{
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return "Handle";
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}
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public virtual string AssignToName {
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get { return "Raw"; }
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}
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public virtual string FromNative(string var)
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{
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return "(" + QualifiedName + ") GLib.Object.GetObject(" + var + ")";
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}
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public virtual string FromNativeReturn(string var)
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{
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return FromNative (var);
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}
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public virtual string ToNativeReturn(string var)
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{
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return CallByName (var);
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}
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protected void GenProperties (GenerationInfo gen_info)
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{
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if (props == null)
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return;
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foreach (Property prop in props.Values) {
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if (prop.Validate ())
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prop.Generate (gen_info);
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else
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Console.WriteLine("in Object " + QualifiedName);
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}
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}
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public void GenSignals (GenerationInfo gen_info, ClassBase implementor)
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{
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if (sigs == null)
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return;
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foreach (Signal sig in sigs.Values) {
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if (sig.Validate ())
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sig.Generate (gen_info, implementor);
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else
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Console.WriteLine("in Object " + QualifiedName);
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}
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}
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private ArrayList ParseImplements (XmlElement member)
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{
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ArrayList ifaces = new ArrayList ();
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foreach (XmlNode node in member.ChildNodes) {
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if (node.Name != "interface")
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continue;
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XmlElement element = (XmlElement) node;
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ifaces.Add (element.GetAttribute ("cname"));
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}
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return ifaces;
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}
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protected bool IgnoreMethod (Method method)
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{
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string mname = method.Name;
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return ((mname.StartsWith("Set") || mname.StartsWith("Get")) &&
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(props != null) && props.ContainsKey(mname.Substring(3)));
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}
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public void GenMethods (GenerationInfo gen_info, Hashtable collisions, ClassBase implementor)
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{
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if (methods == null)
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return;
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foreach (Method method in methods.Values) {
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if (IgnoreMethod (method))
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continue;
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if (method.Validate ())
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{
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string oname = null, oprotection = null;
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if (collisions != null && collisions.Contains (method.Name))
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{
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oname = method.Name;
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oprotection = method.Protection;
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method.Name = Name + "." + method.Name;
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method.Protection = "";
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}
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method.Generate (gen_info, implementor);
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if (oname != null)
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{
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method.Name = oname;
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method.Protection = oprotection;
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}
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}
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else
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Console.WriteLine("in Object " + QualifiedName);
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}
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}
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public Method GetMethod (string name)
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{
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return (Method) methods[name];
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}
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public Property GetProperty (string name)
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{
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return (Property) props[name];
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}
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public Signal GetSignal (string name)
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{
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return (Signal) sigs[name];
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}
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public Method GetMethodRecursively (string name)
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{
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return GetMethodRecursively (name, false);
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}
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public virtual Method GetMethodRecursively (string name, bool check_self)
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{
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Method p = null;
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if (check_self)
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p = GetMethod (name);
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if (p == null && Parent != null)
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p = Parent.GetMethodRecursively (name, true);
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if (check_self && p == null && interfaces != null) {
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foreach (string iface in interfaces) {
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ClassBase igen = SymbolTable.Table.GetClassGen (iface);
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p = igen.GetMethodRecursively (name, true);
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if (p != null)
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break;
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}
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}
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return p;
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}
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public virtual Property GetPropertyRecursively (string name)
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{
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ClassBase klass = this;
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Property p = null;
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while (klass != null && p == null) {
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p = (Property) klass.GetProperty (name);
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klass = klass.Parent;
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}
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return p;
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}
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public Signal GetSignalRecursively (string name)
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{
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return GetSignalRecursively (name, false);
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}
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public virtual Signal GetSignalRecursively (string name, bool check_self)
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{
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Signal p = null;
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if (check_self)
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p = GetSignal (name);
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if (p == null && Parent != null)
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p = Parent.GetSignalRecursively (name, true);
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if (check_self && p == null && interfaces != null) {
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foreach (string iface in interfaces) {
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ClassBase igen = SymbolTable.Table.GetClassGen (iface);
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p = igen.GetSignalRecursively (name, true);
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if (p != null)
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break;
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}
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}
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return p;
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}
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public bool Implements (string iface)
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{
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if (interfaces != null)
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return interfaces.Contains (iface);
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else
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return false;
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}
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public ArrayList Ctors { get { return ctors; } }
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private void InitializeCtors ()
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{
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if (ctors_initted)
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return;
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ArrayList valid_ctors = new ArrayList();
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clash_map = new Hashtable();
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bool has_preferred = false;
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foreach (Ctor ctor in ctors) {
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if (ctor.Validate ()) {
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ctor.InitClashMap (clash_map);
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if (ctor.Preferred)
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has_preferred = true;
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valid_ctors.Add (ctor);
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}
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else
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Console.WriteLine("in Object " + QualifiedName);
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}
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ctors = valid_ctors;
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if (!has_preferred && ctors.Count > 0)
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((Ctor) ctors[0]).Preferred = true;
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foreach (Ctor ctor in ctors)
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ctor.Initialize (clash_map);
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ctors_initted = true;
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}
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protected virtual void GenCtors (GenerationInfo gen_info)
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{
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ClassBase klass = this;
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while (klass != null) {
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klass.InitializeCtors ();
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klass = klass.Parent;
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}
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foreach (Ctor ctor in ctors)
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ctor.Generate (gen_info);
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}
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}
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}
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