mirror of
https://github.com/Ryujinx/GtkSharp.git
synced 2024-07-24 19:52:10 +02:00
a74534e835
When dealing with several namespaces there might be classes with the same name (especially Global which is autogenerated in g-i based bindings). On generation the file would be overriden by the last occurence in the xml. To encounter this every namespace has it's own directory now. This also improves structure a lot when dealing with big libraries. Also do the necessary adaption for the build and the csproj files.
307 lines
8.2 KiB
C#
307 lines
8.2 KiB
C#
// GtkSharp.Generation.StructBase.cs - The Structure/Boxed Base Class.
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//
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// Authors:
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// Mike Kestner <mkestner@speakeasy.net>
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// Stephan Sundermann <stephansundermann@gmail.com>
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//
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// Copyright (c) 2001-2003 Mike Kestner
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// Copyright (c) 2013 Stephan Sundermann
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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.Generic;
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using System.IO;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Xml;
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public abstract class StructBase : ClassBase, IManualMarshaler {
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IList<StructField> fields = new List<StructField> ();
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bool need_read_native = false;
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protected StructBase (XmlElement ns, XmlElement elem) : base (ns, elem)
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{
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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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switch (node.Name) {
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case "field":
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fields.Add (new StructField (member, this));
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break;
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case "callback":
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Statistics.IgnoreCount++;
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break;
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default:
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if (!IsNodeNameHandled (node.Name))
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Console.WriteLine ("Unexpected node " + node.Name + " in " + CName);
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break;
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}
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}
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}
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public override string DefaultValue {
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get {
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return QualifiedName + ".Zero";
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}
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}
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public override string MarshalType {
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get {
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return "IntPtr";
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}
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}
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public override string AssignToName {
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get { throw new NotImplementedException (); }
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}
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public override string CallByName ()
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{
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return "this_as_native";
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}
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public override string CallByName (string var)
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{
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return var + "_as_native";
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}
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public override string FromNative (string var)
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{
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if (DisableNew)
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return var + " == IntPtr.Zero ? " + QualifiedName + ".Zero : (" + QualifiedName + ") System.Runtime.InteropServices.Marshal.PtrToStructure (" + var + ", typeof (" + QualifiedName + "))";
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else
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return QualifiedName + ".New (" + var + ")";
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}
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public string AllocNative (string var)
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{
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return "GLib.Marshaller.StructureToPtrAlloc (" + var + ")";
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}
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public string ReleaseNative (string var)
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{
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return "Marshal.FreeHGlobal (" +var + ")";
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}
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private bool DisableNew {
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get {
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return Elem.GetAttributeAsBoolean ("disable_new");
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}
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}
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public virtual bool Union {
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get {
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return false;
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}
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}
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protected void GenEqualsAndHash (StreamWriter sw)
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{
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int bitfields = 0;
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bool need_field = true;
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StringBuilder hashcode = new StringBuilder ();
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StringBuilder equals = new StringBuilder ();
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hashcode.Append ("this.GetType ().FullName.GetHashCode ()");
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equals.Append ("true");
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foreach (StructField field in fields) {
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if (field.IsPadding)
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continue;
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if (field.IsBitfield) {
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if (need_field) {
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equals.Append (" && _bitfield");
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equals.Append (bitfields);
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equals.Append (".Equals (other._bitfield");
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equals.Append (bitfields);
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equals.Append (")");
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hashcode.Append (" ^ ");
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hashcode.Append ("_bitfield");
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hashcode.Append (bitfields++);
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hashcode.Append (".GetHashCode ()");
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need_field = false;
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}
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} else {
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need_field = true;
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equals.Append (" && ");
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equals.Append (field.EqualityName);
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equals.Append (".Equals (other.");
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equals.Append (field.EqualityName);
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equals.Append (")");
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hashcode.Append (" ^ ");
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hashcode.Append (field.EqualityName);
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hashcode.Append (".GetHashCode ()");
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}
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}
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if (!Elem.GetAttributeAsBoolean ("noequals")) {
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sw.WriteLine ("\t\tpublic bool Equals ({0} other)", Name);
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sw.WriteLine ("\t\t{");
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sw.WriteLine ("\t\t\treturn {0};", equals.ToString ());
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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}
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sw.WriteLine ("\t\tpublic override bool Equals (object other)");
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sw.WriteLine ("\t\t{");
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sw.WriteLine ("\t\t\treturn other is {0} && Equals (({0}) other);", Name);
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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if (Elem.GetAttributeAsBoolean ("nohash"))
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return;
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sw.WriteLine ("\t\tpublic override int GetHashCode ()");
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sw.WriteLine ("\t\t{");
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sw.WriteLine ("\t\t\treturn {0};", hashcode.ToString ());
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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}
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protected new void GenFields (GenerationInfo gen_info)
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{
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int bitfields = 0;
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bool need_field = true;
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StreamWriter sw = gen_info.Writer;
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foreach (StructField field in fields) {
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if (Union)
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sw.WriteLine ("\t\t[FieldOffset(0)]");
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if (field.IsBitfield) {
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if (need_field) {
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sw.WriteLine ("\t\tprivate uint _bitfield{0};\n", bitfields++);
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need_field = false;
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}
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} else
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need_field = true;
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field.Generate (gen_info, "\t\t");
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}
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}
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public override bool Validate ()
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{
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LogWriter log = new LogWriter (QualifiedName);
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foreach (StructField field in fields) {
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if (!field.Validate (log)) {
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if (!field.IsPointer)
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return false;
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}
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}
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return base.Validate ();
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}
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public override void Generate (GenerationInfo gen_info)
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{
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bool need_close = false;
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if (gen_info.Writer == null) {
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gen_info.Writer = gen_info.OpenStream (Name, NS);
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need_close = true;
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}
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StreamWriter sw = gen_info.Writer;
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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.Collections.Generic;");
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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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if (IsDeprecated)
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sw.WriteLine ("\t[Obsolete]");
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if (Union)
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sw.WriteLine ("\t[StructLayout(LayoutKind.Explicit)]");
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else
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sw.WriteLine ("\t[StructLayout(LayoutKind.Sequential)]");
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string access = IsInternal ? "internal" : "public";
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sw.WriteLine ("\t" + access + " partial struct {0} : IEquatable<{0}> {{", Name);
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sw.WriteLine ();
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need_read_native = false;
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GenFields (gen_info);
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sw.WriteLine ();
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GenCtors (gen_info);
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GenMethods (gen_info, null, this);
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if (need_read_native)
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GenReadNative (sw);
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GenEqualsAndHash (sw);
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if (!need_close)
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return;
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sw.WriteLine ("#endregion");
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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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}
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protected override void GenCtors (GenerationInfo gen_info)
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{
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StreamWriter sw = gen_info.Writer;
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sw.WriteLine ("\t\tpublic static {0} Zero = new {0} ();", QualifiedName);
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sw.WriteLine();
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if (!DisableNew) {
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sw.WriteLine ("\t\tpublic static " + QualifiedName + " New(IntPtr raw) {");
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sw.WriteLine ("\t\t\tif (raw == IntPtr.Zero)");
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sw.WriteLine ("\t\t\t\treturn {0}.Zero;", QualifiedName);
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sw.WriteLine ("\t\t\treturn ({0}) Marshal.PtrToStructure (raw, typeof ({0}));", QualifiedName);
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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}
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foreach (Ctor ctor in Ctors)
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ctor.IsStatic = true;
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base.GenCtors (gen_info);
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}
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void GenReadNative (StreamWriter sw)
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{
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sw.WriteLine ("\t\tstatic void ReadNative (IntPtr native, ref {0} target)", QualifiedName);
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sw.WriteLine ("\t\t{");
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sw.WriteLine ("\t\t\ttarget = New (native);");
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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}
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public override void Prepare (StreamWriter sw, string indent)
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{
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sw.WriteLine (indent + "IntPtr this_as_native = System.Runtime.InteropServices.Marshal.AllocHGlobal (System.Runtime.InteropServices.Marshal.SizeOf (this));");
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sw.WriteLine (indent + "System.Runtime.InteropServices.Marshal.StructureToPtr (this, this_as_native, false);");
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}
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public override void Finish (StreamWriter sw, string indent)
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{
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need_read_native = true;
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sw.WriteLine (indent + "ReadNative (this_as_native, ref this);");
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sw.WriteLine (indent + "System.Runtime.InteropServices.Marshal.FreeHGlobal (this_as_native);");
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}
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}
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}
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