mirror of
https://github.com/Ryujinx/GtkSharp.git
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ee8499483e
For method with optional parameters, when generating the overload without the optional parameters, mark the overload as static if the original method is static.
357 lines
11 KiB
C#
357 lines
11 KiB
C#
// GtkSharp.Generation.Method.cs - The Method 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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// 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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public class Method : MethodBase {
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private ReturnValue retval;
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private string call;
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private bool is_get, is_set;
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private bool deprecated = false;
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private bool win32_utf8_variant = false;
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public Method (XmlElement elem, ClassBase container_type) : base (elem, container_type)
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{
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this.retval = new ReturnValue (elem["return-type"]);
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if (!container_type.IsDeprecated) {
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deprecated = elem.GetAttributeAsBoolean ("deprecated");
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}
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win32_utf8_variant = elem.GetAttributeAsBoolean ("win32_utf8_variant");
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if (Name == "GetType")
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Name = "GetGType";
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}
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public bool HasWin32Utf8Variant {
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get { return win32_utf8_variant; }
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}
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public bool IsDeprecated {
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get {
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return deprecated;
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}
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}
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public bool IsGetter {
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get {
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return is_get;
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}
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}
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public bool IsSetter {
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get {
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return is_set;
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}
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}
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public string ReturnType {
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get {
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return retval.CSType;
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}
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}
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public override bool Validate (LogWriter log)
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{
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log.Member = Name;
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if (!retval.Validate (log) || !base.Validate (log))
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return false;
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if (Name == String.Empty || CName == String.Empty) {
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log.Warn ("Method has no name or cname.");
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return false;
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}
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Parameters parms = Parameters;
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is_get = ((parms.IsAccessor && retval.IsVoid) || (parms.Count == 0 && !retval.IsVoid)) && HasGetterName;
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is_set = ((parms.IsAccessor || (parms.VisibleCount == 1 && retval.IsVoid)) && HasSetterName);
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call = "(" + (IsStatic ? "" : container_type.CallByName () + (parms.Count > 0 ? ", " : "")) + Body.GetCallString (is_set) + ")";
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return true;
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}
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private Method GetComplement ()
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{
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char complement;
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if (is_get)
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complement = 'S';
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else
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complement = 'G';
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return container_type.GetMethod (complement + BaseName.Substring (1));
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}
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public string Declaration {
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get {
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return retval.CSType + " " + Name + " (" + (Signature != null ? Signature.ToString() : "") + ");";
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}
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}
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private void GenerateDeclCommon (StreamWriter sw, ClassBase implementor)
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{
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if (IsStatic)
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sw.Write("static ");
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sw.Write (Safety);
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Method dup = null;
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if (container_type != null)
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dup = container_type.GetMethodRecursively (Name);
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if (implementor != null)
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dup = implementor.GetMethodRecursively (Name);
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if (Name == "ToString" && Parameters.Count == 0 && (!(container_type is InterfaceGen)|| implementor != null))
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sw.Write("override ");
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else if (Name == "GetGType" && container_type is ObjectGen)
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sw.Write("new ");
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else if (Modifiers == "new " || (dup != null && ((dup.Signature != null && Signature != null && dup.Signature.ToString() == Signature.ToString()) || (dup.Signature == null && Signature == null))))
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sw.Write("new ");
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if (Name.StartsWith (container_type.Name))
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Name = Name.Substring (container_type.Name.Length);
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if (is_get || is_set) {
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if (retval.IsVoid)
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sw.Write (Parameters.AccessorReturnType);
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else
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sw.Write(retval.CSType);
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sw.Write(" ");
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if (Name.StartsWith ("Get") || Name.StartsWith ("Set"))
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sw.Write (Name.Substring (3));
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else {
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int dot = Name.LastIndexOf ('.');
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if (dot != -1 && (Name.Substring (dot + 1, 3) == "Get" || Name.Substring (dot + 1, 3) == "Set"))
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sw.Write (Name.Substring (0, dot + 1) + Name.Substring (dot + 4));
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else
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sw.Write (Name);
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}
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sw.WriteLine(" { ");
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} else if (IsAccessor) {
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sw.Write (Signature.AccessorType + " " + Name + "(" + Signature.AsAccessor + ")");
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} else {
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sw.Write(retval.CSType + " " + Name + "(" + (Signature != null ? Signature.ToString() : "") + ")");
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}
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}
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public void GenerateDecl (StreamWriter sw)
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{
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if (IsStatic)
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return;
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if (is_get || is_set)
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{
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Method comp = GetComplement ();
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if (comp != null && is_set)
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return;
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sw.Write("\t\t");
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GenerateDeclCommon (sw, null);
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sw.Write("\t\t\t");
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sw.Write ((is_get) ? "get;" : "set;");
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if (comp != null && comp.is_set)
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sw.WriteLine (" set;");
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else
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sw.WriteLine ();
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sw.WriteLine ("\t\t}");
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}
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else
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{
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sw.Write("\t\t");
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GenerateDeclCommon (sw, null);
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sw.WriteLine (";");
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}
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Statistics.MethodCount++;
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}
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public void GenerateImport (StreamWriter sw)
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{
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string import_sig = IsStatic ? "" : container_type.MarshalType + " raw";
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import_sig += !IsStatic && Parameters.Count > 0 ? ", " : "";
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import_sig += Parameters.ImportSignature.ToString();
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sw.WriteLine("\t\t[DllImport(\"" + LibraryName + "\", CallingConvention = CallingConvention.Cdecl)]");
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if (retval.MarshalType.StartsWith ("[return:"))
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sw.WriteLine("\t\t" + retval.MarshalType + " static extern " + Safety + retval.CSType + " " + CName + "(" + import_sig + ");");
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else
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sw.WriteLine("\t\tstatic extern " + Safety + retval.MarshalType + " " + CName + "(" + import_sig + ");");
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sw.WriteLine();
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if (HasWin32Utf8Variant) {
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sw.WriteLine("\t\t[DllImport(\"" + LibraryName + "\")]");
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if (retval.MarshalType.StartsWith ("[return:"))
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sw.WriteLine("\t\t" + retval.MarshalType + " static extern " + Safety + retval.CSType + " " + CName + "_utf8(" + import_sig + ");");
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else
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sw.WriteLine("\t\tstatic extern " + Safety + retval.MarshalType + " " + CName + "_utf8(" + import_sig + ");");
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sw.WriteLine();
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}
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}
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public void GenerateOverloads (StreamWriter sw)
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{
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sw.WriteLine ();
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sw.Write ("\t\tpublic ");
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if (IsStatic)
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sw.Write ("static ");
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sw.WriteLine (retval.CSType + " " + Name + "(" + (Signature != null ? Signature.WithoutOptional () : "") + ") {");
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sw.WriteLine ("\t\t\t{0}{1} ({2});", !retval.IsVoid ? "return " : String.Empty, Name, Signature.CallWithoutOptionals ());
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sw.WriteLine ("\t\t}");
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}
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public void Generate (GenerationInfo gen_info, ClassBase implementor)
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{
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Method comp = null;
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gen_info.CurrentMember = Name;
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/* we are generated by the get Method, if there is one */
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if (is_set || is_get)
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{
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if (Modifiers != "new " && container_type.GetPropertyRecursively (Name.Substring (3)) != null)
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return;
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comp = GetComplement ();
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if (comp != null && is_set) {
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if (Parameters.AccessorReturnType == comp.ReturnType)
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return;
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else {
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is_set = false;
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call = "(Handle, " + Body.GetCallString (false) + ")";
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comp = null;
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}
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}
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/* some setters take more than one arg */
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if (comp != null && !comp.is_set)
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comp = null;
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}
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GenerateImport (gen_info.Writer);
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if (comp != null && retval.CSType == comp.Parameters.AccessorReturnType)
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comp.GenerateImport (gen_info.Writer);
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if (IsDeprecated)
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gen_info.Writer.WriteLine("\t\t[Obsolete]");
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gen_info.Writer.Write("\t\t");
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if (Protection != "")
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gen_info.Writer.Write("{0} ", Protection);
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GenerateDeclCommon (gen_info.Writer, implementor);
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if (is_get || is_set)
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{
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gen_info.Writer.Write ("\t\t\t");
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gen_info.Writer.Write ((is_get) ? "get" : "set");
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GenerateBody (gen_info, implementor, "\t");
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}
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else
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GenerateBody (gen_info, implementor, "");
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if (is_get || is_set)
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{
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if (comp != null && retval.CSType == comp.Parameters.AccessorReturnType)
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{
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gen_info.Writer.WriteLine ();
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gen_info.Writer.Write ("\t\t\tset");
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comp.GenerateBody (gen_info, implementor, "\t");
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}
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gen_info.Writer.WriteLine ();
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gen_info.Writer.WriteLine ("\t\t}");
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}
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else
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gen_info.Writer.WriteLine();
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if (Parameters.HasOptional && !(is_get || is_set))
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GenerateOverloads (gen_info.Writer);
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gen_info.Writer.WriteLine();
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Statistics.MethodCount++;
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}
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public void GenerateBody (GenerationInfo gen_info, ClassBase implementor, string indent)
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{
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StreamWriter sw = gen_info.Writer;
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sw.WriteLine(" {");
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if (!IsStatic && implementor != null)
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implementor.Prepare (sw, indent + "\t\t\t");
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if (IsAccessor)
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Body.InitAccessor (sw, Signature, indent);
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Body.Initialize(gen_info, is_get, is_set, indent);
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if (HasWin32Utf8Variant) {
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if (!retval.IsVoid)
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sw.WriteLine(indent + "\t\t\t" + retval.MarshalType + " raw_ret;");
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sw.WriteLine(indent + "\t\t\t" + "if (Environment.OSVersion.Platform == PlatformID.Win32NT ||");
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sw.WriteLine(indent + "\t\t\t" + " Environment.OSVersion.Platform == PlatformID.Win32S ||");
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sw.WriteLine(indent + "\t\t\t" + " Environment.OSVersion.Platform == PlatformID.Win32Windows ||");
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sw.WriteLine(indent + "\t\t\t" + " Environment.OSVersion.Platform == PlatformID.WinCE)");
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if (retval.IsVoid) {
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sw.WriteLine(indent + "\t\t\t\t" + CName + "_utf8" + call + ";");
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sw.WriteLine(indent + "\t\t\t" + "else");
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sw.WriteLine(indent + "\t\t\t\t" + CName + call + ";");
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} else {
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sw.WriteLine(indent + "\t\t\t\traw_ret = " + CName + "_utf8" + call + ";");
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sw.WriteLine(indent + "\t\t\t" + "else");
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sw.WriteLine(indent + "\t\t\t\traw_ret = " + CName + call + ";");
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sw.WriteLine(indent + "\t\t\t" + retval.CSType + " ret = " + retval.FromNative ("raw_ret") + ";");
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}
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} else {
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sw.Write(indent + "\t\t\t");
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if (retval.IsVoid)
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sw.WriteLine(CName + call + ";");
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else {
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sw.WriteLine(retval.MarshalType + " raw_ret = " + CName + call + ";");
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sw.WriteLine(indent + "\t\t\t" + retval.CSType + " ret = " + retval.FromNative ("raw_ret") + ";");
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}
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}
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if (!IsStatic && implementor != null)
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implementor.Finish (sw, indent + "\t\t\t");
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Body.Finish (sw, indent);
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Body.HandleException (sw, indent);
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if (is_get && Parameters.Count > 0)
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sw.WriteLine (indent + "\t\t\treturn " + Parameters.AccessorName + ";");
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else if (!retval.IsVoid)
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sw.WriteLine (indent + "\t\t\treturn ret;");
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else if (IsAccessor)
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Body.FinishAccessor (sw, Signature, indent);
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sw.Write(indent + "\t\t}");
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}
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bool IsAccessor {
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get {
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return retval.IsVoid && Signature.IsAccessor;
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}
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}
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}
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}
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