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Add hack to the codegenerator to handle "owned-in-call-scope" functionality to virtual methods

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This is needed for things like BaseTransform.OnTransformIp's buffer parameter.
During the call we own the reference but not afterwards.
This commit is contained in:
Sebastian Dröge 2009-09-23 08:20:59 +02:00
parent 108a304f7a
commit c751dcaf07
1 changed files with 23 additions and 6 deletions
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29
generator/ManagedCallString.cs
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@ -50,12 +50,15 @@ namespace GtkSharp.Generation {
error_param = p.Name;
continue;
}
this.parms.Add (p);
if (p.PassAs != String.Empty && (p.Name != p.FromNative (p.Name)))
this.special.Add (true);
else if (p.Generatable is CallbackGen)
this.special.Add (true);
else if (p.Scope == "call")
this.special.Add (true);
else
this.special.Add (false);
}
@ -96,6 +99,11 @@ namespace GtkSharp.Generation {
ret += indent + String.Format ("{0} {1}_invoker = new {0} ({1}, {2});\n", (igen as CallbackGen).InvokerName, p.Name, user_data_param);
else
ret += indent + String.Format ("{0} {1}_invoker = new {0} ({1}, {2}, {3});\n", (igen as CallbackGen).InvokerName, p.Name, user_data_param, destroy_param);
} else if (p.Scope == "call") {
if (igen is ObjectBase)
ret += indent + igen.QualifiedName + " my" + p.Name + " = " + (igen as ObjectBase).FromNative (p.Name, true) + ";\n";
else
throw new NotImplementedException();
} else {
ret += indent + igen.QualifiedName + " my" + p.Name;
if (p.PassAs == "ref")
@ -137,16 +145,25 @@ namespace GtkSharp.Generation {
Parameter p = parms [i] as Parameter;
IGeneratable igen = p.Generatable;
if (igen is CallbackGen)
if (igen is CallbackGen) {
continue;
else if (igen is StructBase || igen is ByRefGen)
} else if (igen is StructBase || igen is ByRefGen) {
ret += indent + String.Format ("if ({0} != IntPtr.Zero) System.Runtime.InteropServices.Marshal.StructureToPtr (my{0}, {0}, false);\n", p.Name);
else if (igen is IManualMarshaler)
} else if (igen is IManualMarshaler) {
ret += String.Format ("{0}{1} = {2};", indent, p.Name, (igen as IManualMarshaler).AllocNative ("my" + p.Name));
else
ret += indent + p.Name + " = " + igen.CallByName ("my" + p.Name) + ";\n";
}
} else if (p.Scope == "call") {
if (igen is ObjectBase || igen is OpaqueGen) {
if (igen is ObjectBase)
ret += indent + "IntPtr dummy = my" + p.Name + ".OwnedHandle;\n";
else
throw new NotImplementedException();
ret += indent + "my" + p.Name + ".Dispose();\n";
}
} else {
ret += indent + p.Name + " = " + igen.CallByName ("my" + p.Name) + ";\n";
}
}
return ret;
}
}