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generator: fixicate NativeStructGen

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Made NativeStructGen more consistent with the way Gdk.Event
and Pango.Attribute are handled. Also increases performance
because reflection is not needed anymore to marshal these
kind of structs.
This commit is contained in:
Stephan Sundermann 2013-08-28 14:54:17 +02:00 committed by Andrés G. Aragoneses
parent 31e2c02e94
commit 0f79e9af06
1 changed files with 21 additions and 25 deletions
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46
generator/NativeStructGen.cs
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@ -10,13 +10,9 @@ namespace GtkSharp.Generation
public class NativeStructGen : HandleBase
{
IList<StructField> fields = new List<StructField> ();
bool need_read_native = false;
string native_struct_name;
public NativeStructGen (XmlElement ns, XmlElement elem) : base (ns, elem)
{
native_struct_name = Name + "Impl";
foreach (XmlNode node in elem.ChildNodes) {
if (!(node is XmlElement)) continue;
@ -82,18 +78,15 @@ namespace GtkSharp.Generation
if (IsDeprecated)
sw.WriteLine ("\t[Obsolete]");
string access = IsInternal ? "internal" : "public";
sw.WriteLine ("\t" + access + " partial class {0} : IEquatable<{0}> {{", Name);
sw.WriteLine ("\t" + access + " partial class {0} : IEquatable<{0}>{1} {{", Name, Parent == null ? ", GLib.IWrapper" : "");
sw.WriteLine ();
need_read_native = false;
GenNativeStruct (gen_info);
GenUpdate (gen_info);
GenNativeAccessor (gen_info);
GenFields (gen_info);
sw.WriteLine ();
GenCtors (gen_info);
GenMethods (gen_info, null, this);
if (need_read_native)
GenUpdate (gen_info);
GenEqualsAndHash (sw);
if (!need_close)
@ -112,7 +105,7 @@ namespace GtkSharp.Generation
StreamWriter sw = gen_info.Writer;
sw.WriteLine ("\t\t[StructLayout(LayoutKind.Sequential)]");
sw.WriteLine ("\t\tprivate struct {0} {{", native_struct_name);
sw.WriteLine ("\t\tprivate struct NativeStruct {");
foreach (StructField field in fields) {
field.Generate (gen_info, "\t\t\t");
}
@ -120,14 +113,12 @@ namespace GtkSharp.Generation
sw.WriteLine ();
}
private void GenUpdate (GenerationInfo gen_info)
private void GenNativeAccessor (GenerationInfo gen_info)
{
StreamWriter sw = gen_info.Writer;
sw.WriteLine ("\t\tprivate void Update ()", QualifiedName);
sw.WriteLine ("\t\t{");
sw.WriteLine ("\t\t\tif (Handle != IntPtr.Zero)");
sw.WriteLine ("\t\t\t\tthis.managed_struct = ({0})Marshal.PtrToStructure (this.Handle, typeof ({0}));", native_struct_name);
sw.WriteLine ("\t\tNativeStruct Native {{", QualifiedName);
sw.WriteLine ("\t\t\tget { return (NativeStruct) Marshal.PtrToStructure (Handle, typeof (NativeStruct)); }");
sw.WriteLine ("\t\t}");
sw.WriteLine ();
}
@ -136,11 +127,15 @@ namespace GtkSharp.Generation
{
StreamWriter sw = gen_info.Writer;
sw.WriteLine ("\t\tpublic {0} (IntPtr raw)", Name);
sw.WriteLine ("\t\t{");
sw.WriteLine ("\t\t\tthis.Handle = raw;");
sw.WriteLine ("\t\t}");
sw.WriteLine ();
if (Parent == null) {
sw.WriteLine ("\t\tpublic {0} (IntPtr raw)", Name);
sw.WriteLine ("\t\t{");
sw.WriteLine ("\t\t\tthis.Handle = raw;");
sw.WriteLine ("\t\t}");
sw.WriteLine ();
}
else
sw.Write ("public {0} (IntPtr raw) : base (raw) {}", Name);
base.GenCtors (gen_info);
}
@ -149,19 +144,20 @@ namespace GtkSharp.Generation
{
StreamWriter sw = gen_info.Writer;
sw.WriteLine ("\t\tprivate IntPtr Raw;");
sw.WriteLine ("\t\tpublic IntPtr Handle {");
sw.WriteLine ("\t\t\tget { return Raw; }");
sw.WriteLine ("\t\t\tset { Raw = value; Update ();}");
sw.WriteLine ("\t\t\tset { Raw = value; }");
sw.WriteLine ("\t\t}");
sw.WriteLine ("\t\tprivate {0} managed_struct;", native_struct_name);
sw.WriteLine ();
foreach (StructField field in fields) {
if (!field.Visible)
continue;
sw.WriteLine ("\t\tpublic {0} {1} {{", SymbolTable.Table.GetCSType (field.CType), field.StudlyName);
sw.WriteLine ("\t\t\tget {{ Update(); return {0}.{1}; }}", "managed_struct", field.StudlyName);
sw.WriteLine ("\t\t\tget {{ NativeStruct native = Native; return native.{0}; }}", field.StudlyName);
if (!(SymbolTable.Table [field.CType] is CallbackGen))
sw.WriteLine ("\t\t\tset {{ Update(); {0}.{1} = value; Marshal.StructureToPtr({0}, this.Handle, false); }}" , "managed_struct", field.StudlyName);
sw.WriteLine ("\t\t\tset {{ NativeStruct native = Native; native.{0} = value; Marshal.StructureToPtr (native, this.Handle, false); }}", field.StudlyName);
sw.WriteLine ("\t\t}");
}
}
@ -226,7 +222,7 @@ namespace GtkSharp.Generation
public override void Prepare (StreamWriter sw, string indent)
{
sw.WriteLine (indent + "Update ();");
sw.WriteLine (indent + "NativeStruct native = Native;");
}
}
}