private void GenGlueVirtualMethod (GenerationInfo gen_info)
{
StreamWriter glue = gen_info.GlueWriter;
string glue_name = String.Format ("{0}sharp_{1}_base_{2}", container_type.NS.ToLower ().Replace (".", "_"), container_type.Name.ToLower (), ClassFieldName);
glue.WriteLine ("{0} {1} ({2});\n", retval.CType, glue_name, GlueSignature);
glue.WriteLine ("{0}\n{1} ({2})", retval.CType, glue_name, GlueSignature);
glue.WriteLine ("{");
glue.WriteLine ("\t{0}Class *klass = ({0}Class *) get_threshold_class (G_OBJECT ({1}));", container_type.CName, parms[0].Name);
glue.Write ("\tif (klass->{0})\n\t\t", ClassFieldName);
if (!IsVoid)
glue.Write ("return ");
glue.Write ("(* klass->{0}) (", ClassFieldName);
for (int i = 0; i < parms.Count; i++)
glue.Write (parms[i].Name + (i == parms.Count - 1 ? "" : ", "));
glue.WriteLine (");");
if (!IsVoid)
glue.WriteLine ("\treturn " + DefaultGlueValue + ";");
glue.WriteLine ("}");
StreamWriter sw = gen_info.Writer;
sw.WriteLine ("\t\t[DllImport (\"{0}\")]", gen_info.GluelibName);
sw.WriteLine ("\t\tstatic extern {0} {1} ({2});\n", retval.MarshalType, glue_name, parms.ImportSignature);
GenVMDeclaration (sw, null);
sw.WriteLine ("\t\t{");
MethodBody body = new MethodBody (parms);
body.Initialize (gen_info, false, false, String.Empty);
sw.WriteLine ("\t\t\t{0}{1} ({2});", IsVoid ? "" : retval.MarshalType + " __ret = ", glue_name, GlueCallString);
body.Finish (sw, "");
if (!IsVoid)
sw.WriteLine ("\t\t\treturn {0};", retval.FromNative ("__ret"));
sw.WriteLine ("\t\t}\n");
}
public string GenWrapper (GenerationInfo gen_info)
{
string wrapper = Name + "Native";
string qualname = MarshalType;
if (!Validate ())
return String.Empty;
body = new MethodBody (parms);
StreamWriter save_sw = gen_info.Writer;
StreamWriter sw = gen_info.Writer = gen_info.OpenStream (qualname, NS);
sw.WriteLine ("namespace " + NS + "Sharp {");
sw.WriteLine ();
sw.WriteLine ("\tusing System;");
sw.WriteLine ("\tusing System.Runtime.InteropServices;");
sw.WriteLine ();
sw.WriteLine ("#region Autogenerated code");
sw.WriteLine ("\t[UnmanagedFunctionPointer (CallingConvention.Cdecl)]");
sw.WriteLine ("\tinternal delegate " + retval.MarshalType + " " + wrapper + "(" + parms.ImportSignature + ");");
sw.WriteLine ();
GenInvoker (gen_info, sw);
sw.WriteLine ("\tinternal class " + Name + "Wrapper {");
sw.WriteLine ();
ManagedCallString call = new ManagedCallString (parms);
sw.WriteLine ("\t\tpublic " + retval.MarshalType + " NativeCallback (" + 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 {");
string call_setup = call.Setup ("\t\t\t\t");
if (call_setup.Length > 0)
sw.WriteLine (call_setup);
if (retval.CSType == "void")
sw.WriteLine ("\t\t\t\tmanaged ({0});", call);
else
sw.WriteLine ("\t\t\t\t{0} __ret = managed ({1});", retval.CSType, call);
string finish = call.Finish ("\t\t\t\t");
if (finish.Length > 0)
sw.WriteLine (finish);
sw.WriteLine ("\t\t\t\tif (release_on_call)\n\t\t\t\t\tgch.Free ();");
Parameter cnt = retval.CountParameter;
if (cnt != null)
sw.WriteLine ("\t\t\t\t{0} = {1}{2};", cnt.Name, cnt.CSType == "int" ? String.Empty : "(" + cnt.MarshalType + ")(" + cnt.CSType + ")", "__ret.Length");
if (retval.CSType != "void")
sw.WriteLine ("\t\t\t\treturn {0};", retval.ToNative ("__ret"));
/* If the function expects one or more "out" parameters(error parameters are excluded) or has a return value different from void and bool, exceptions
* thrown in the managed function have to be considered fatal meaning that an exception is to be thrown and the function call cannot not return
*/
bool fatal = (retval.MarshalType != "void" && retval.MarshalType != "bool") || call.HasOutParam;
sw.WriteLine ("\t\t\t} catch (Exception e) {");
sw.WriteLine ("\t\t\t\tGLib.ExceptionManager.RaiseUnhandledException (e, " + (fatal ? "true" : "false") + ");");
if (fatal) {
sw.WriteLine ("\t\t\t\t// NOTREACHED: Above call does not return.");
sw.WriteLine ("\t\t\t\tthrow e;");
} else if (retval.MarshalType == "bool") {
sw.WriteLine ("\t\t\t\treturn false;");
}
sw.WriteLine ("\t\t\t}");
sw.WriteLine ("\t\t}");
sw.WriteLine ();
sw.WriteLine ("\t\tbool release_on_call = false;");
sw.WriteLine ("\t\tGCHandle gch;");
sw.WriteLine ();
sw.WriteLine ("\t\tpublic void PersistUntilCalled ()");
sw.WriteLine ("\t\t{");
sw.WriteLine ("\t\t\trelease_on_call = true;");
sw.WriteLine ("\t\t\tgch = GCHandle.Alloc (this);");
sw.WriteLine ("\t\t}");
sw.WriteLine ();
sw.WriteLine ("\t\tinternal " + wrapper + " NativeDelegate;");
sw.WriteLine ("\t\t" + NS + "." + Name + " managed;");
sw.WriteLine ();
sw.WriteLine ("\t\tpublic " + Name + "Wrapper (" + NS + "." + Name + " managed)");
sw.WriteLine ("\t\t{");
sw.WriteLine ("\t\t\tthis.managed = managed;");
sw.WriteLine ("\t\t\tif (managed != null)");
sw.WriteLine ("\t\t\t\tNativeDelegate = new " + wrapper + " (NativeCallback);");
sw.WriteLine ("\t\t}");
sw.WriteLine ();
sw.WriteLine ("\t\tpublic static " + NS + "." + Name + " GetManagedDelegate (" + wrapper + " native)");
sw.WriteLine ("\t\t{");
sw.WriteLine ("\t\t\tif (native == null)");
sw.WriteLine ("\t\t\t\treturn null;");
sw.WriteLine ("\t\t\t" + Name + "Wrapper wrapper = (" + Name + "Wrapper) native.Target;");
sw.WriteLine ("\t\t\tif (wrapper == null)");
sw.WriteLine ("\t\t\t\treturn null;");
sw.WriteLine ("\t\t\treturn wrapper.managed;");
sw.WriteLine ("\t\t}");
sw.WriteLine ("\t}");
sw.WriteLine ("#endregion");
sw.WriteLine ("}");
sw.Close ();
gen_info.Writer = save_sw;
return NS + "Sharp." + Name + "Wrapper";
}
public string GenWrapper(GenerationInfo gen_info)
{
string wrapper = Name + "Native";
string qualname = MarshalType;
if (!Validate())
{
return(String.Empty);
}
body = new MethodBody(parms);
StreamWriter save_sw = gen_info.Writer;
StreamWriter sw = gen_info.Writer = gen_info.OpenStream(qualname);
sw.WriteLine("namespace " + NS + "Sharp {");
sw.WriteLine();
sw.WriteLine("\tusing System;");
sw.WriteLine("\tusing System.Runtime.InteropServices;");
sw.WriteLine();
sw.WriteLine("#region Autogenerated code");
sw.WriteLine("\t[GLib.CDeclCallback]");
sw.WriteLine("\tinternal delegate " + retval.MarshalType + " " + wrapper + "(" + parms.ImportSignature + ");");
sw.WriteLine();
GenInvoker(gen_info, sw);
sw.WriteLine("\tinternal class " + Name + "Wrapper {");
sw.WriteLine();
ManagedCallString call = new ManagedCallString(parms, false);
sw.WriteLine("\t\tpublic " + retval.MarshalType + " NativeCallback (" + 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 {");
string call_setup = call.Setup("\t\t\t\t");
if (call_setup.Length > 0)
{
sw.WriteLine(call_setup);
}
if (retval.CSType == "void")
{
sw.WriteLine("\t\t\t\tmanaged ({0});", call);
}
else
{
sw.WriteLine("\t\t\t\t{0} __ret = managed ({1});", retval.CSType, call);
}
string finish = call.Finish("\t\t\t\t");
if (finish.Length > 0)
{
sw.WriteLine(finish);
}
sw.WriteLine("\t\t\t\tif (release_on_call)\n\t\t\t\t\tgch.Free ();");
if (retval.CSType != "void")
{
sw.WriteLine("\t\t\t\treturn {0};", retval.ToNative("__ret"));
}
/* If the function expects one or more "out" parameters(error parameters are excluded) or has a return value different from void and bool, exceptions
* thrown in the managed function have to be considered fatal meaning that an exception is to be thrown and the function call cannot not return
*/
bool fatal = (retval.MarshalType != "void" && retval.MarshalType != "bool") || call.HasOutParam;
sw.WriteLine("\t\t\t} catch (Exception e) {");
sw.WriteLine("\t\t\t\tGLib.ExceptionManager.RaiseUnhandledException (e, " + (fatal ? "true" : "false") + ");");
if (fatal)
{
sw.WriteLine("\t\t\t\t// NOTREACHED: Above call does not return.");
sw.WriteLine("\t\t\t\tthrow e;");
}
else if (retval.MarshalType == "bool")
{
sw.WriteLine("\t\t\t\treturn false;");
}
sw.WriteLine("\t\t\t}");
sw.WriteLine("\t\t}");
sw.WriteLine();
sw.WriteLine("\t\tbool release_on_call = false;");
sw.WriteLine("\t\tGCHandle gch;");
sw.WriteLine();
sw.WriteLine("\t\tpublic void PersistUntilCalled ()");
sw.WriteLine("\t\t{");
sw.WriteLine("\t\t\trelease_on_call = true;");
sw.WriteLine("\t\t\tgch = GCHandle.Alloc (this);");
sw.WriteLine("\t\t}");
sw.WriteLine();
sw.WriteLine("\t\tinternal " + wrapper + " NativeDelegate;");
sw.WriteLine("\t\t" + NS + "." + Name + " managed;");
sw.WriteLine();
sw.WriteLine("\t\tpublic " + Name + "Wrapper (" + NS + "." + Name + " managed)");
sw.WriteLine("\t\t{");
sw.WriteLine("\t\t\tthis.managed = managed;");
sw.WriteLine("\t\t\tif (managed != null)");
sw.WriteLine("\t\t\t\tNativeDelegate = new " + wrapper + " (NativeCallback);");
sw.WriteLine("\t\t}");
sw.WriteLine();
sw.WriteLine("\t\tpublic static " + NS + "." + Name + " GetManagedDelegate (" + wrapper + " native)");
sw.WriteLine("\t\t{");
sw.WriteLine("\t\t\tif (native == null)");
sw.WriteLine("\t\t\t\treturn null;");
sw.WriteLine("\t\t\t" + Name + "Wrapper wrapper = (" + Name + "Wrapper) native.Target;");
sw.WriteLine("\t\t\tif (wrapper == null)");
sw.WriteLine("\t\t\t\treturn null;");
sw.WriteLine("\t\t\treturn wrapper.managed;");
sw.WriteLine("\t\t}");
sw.WriteLine("\t}");
sw.WriteLine("#endregion");
sw.WriteLine("}");
sw.Close();
gen_info.Writer = save_sw;
return(NS + "Sharp." + Name + "Wrapper");
}
