private void GenDefaultHandlerDelegate (GenerationInfo gen_info, ClassBase implementor)
{
StreamWriter sw = gen_info.Writer;
StreamWriter glue;
bool use_glue = gen_info.GlueEnabled && implementor == null && ClassFieldName.Length > 0;
string glue_name = String.Empty;
ManagedCallString call = new ManagedCallString (parms, true);
sw.WriteLine ("\t\t[GLib.CDeclCallback]");
sw.WriteLine ("\t\tdelegate " + retval.ToNativeType + " " + Name + "VMDelegate (" + parms.ImportSignature + ");\n");
if (use_glue) {
glue = gen_info.GlueWriter;
glue_name = String.Format ("{0}sharp_{1}_override_{2}", container_type.NS.ToLower ().Replace (".", "_"), container_type.Name.ToLower (), ClassFieldName);
sw.WriteLine ("\t\t[DllImport (\"{0}\")]", gen_info.GluelibName);
sw.WriteLine ("\t\tstatic extern void {0} (IntPtr gtype, {1}VMDelegate cb);\n", glue_name, Name);
glue.WriteLine ("void {0} (GType gtype, gpointer cb);\n", glue_name);
glue.WriteLine ("void\n{0} (GType gtype, gpointer cb)", glue_name);
glue.WriteLine ("{");
glue.WriteLine ("\tGObjectClass *klass = g_type_class_peek (gtype);");
glue.WriteLine ("\tif (klass == NULL)");
glue.WriteLine ("\t\tklass = g_type_class_ref (gtype);");
glue.WriteLine ("\t(({0} *)klass)->{1} = cb;", container_type.CName + "Class", ClassFieldName);
glue.WriteLine ("}\n");
}
sw.WriteLine ("\t\tstatic {0} {1};\n", Name + "VMDelegate", Name + "VMCallback");
sw.WriteLine ("\t\tstatic " + retval.ToNativeType + " " + Name.ToLower() + "_cb (" + parms.ImportSignature + ")");
sw.WriteLine ("\t\t{");
string unconditional = call.Unconditional ("\t\t\t");
if (unconditional.Length > 0)
sw.WriteLine (unconditional);
sw.WriteLine ("\t\t\ttry {");
sw.WriteLine ("\t\t\t\t{0} {1}_managed = GLib.Object.GetObject ({1}, false) as {0};", implementor != null ? implementor.Name : container_type.Name, parms[0].Name);
sw.Write (call.Setup ("\t\t\t\t"));
sw.Write ("\t\t\t\t{0}", IsVoid ? "" : retval.CSType == retval.ToNativeType ? "return " : retval.CSType + " raw_ret = ");
sw.WriteLine ("{2}_managed.{0} ({1});", "On" + Name, call.ToString (), parms[0].Name);
sw.Write (call.Finish ("\t\t\t\t"));
if (!IsVoid && retval.CSType != retval.ToNativeType)
sw.WriteLine ("\t\t\t\treturn {0};", SymbolTable.Table.ToNativeReturn (retval.CType, "raw_ret"));
sw.WriteLine ("\t\t\t} catch (Exception e) {");
bool fatal = HasOutParams || !IsVoid;
sw.WriteLine ("\t\t\t\tGLib.ExceptionManager.RaiseUnhandledException (e, " + (fatal ? "true" : "false") + ");");
if (fatal) {
sw.WriteLine ("\t\t\t\t// NOTREACHED: above call doesn't return");
sw.WriteLine ("\t\t\t\tthrow e;");
}
sw.WriteLine ("\t\t\t}");
sw.WriteLine ("\t\t}\n");
sw.WriteLine ("\t\tprivate static void Override" + Name + " (GLib.GType gtype)");
sw.WriteLine ("\t\t{");
sw.WriteLine ("\t\t\tif (" + Name + "VMCallback == null)");
sw.WriteLine ("\t\t\t\t" + Name + "VMCallback = new " + Name + "VMDelegate (" + Name.ToLower() + "_cb);");
if (use_glue)
sw.WriteLine ("\t\t\t{0} (gtype.Val, {1}VMCallback);", glue_name, Name);
else
sw.WriteLine ("\t\t\tOverrideVirtualMethod (gtype, " + CName + ", " + Name + "VMCallback);");
sw.WriteLine ("\t\t}\n");
}
