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MummyCsharpShadowLayerGenerator.cxx
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MummyCsharpShadowLayerGenerator.cxx
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//----------------------------------------------------------------------------
//
// $Id: MummyCsharpShadowLayerGenerator.cxx 442 2009-04-03 19:47:41Z david.cole $
//
// $Author: david.cole $
// $Date: 2009-04-03 15:47:41 -0400 (Fri, 03 Apr 2009) $
// $Revision: 442 $
//
// Copyright (C) 2006-2007 Kitware, Inc.
//
//----------------------------------------------------------------------------
#include "MummyCsharpShadowLayerGenerator.h"
#include "MummyCsharpGenerator.h"
#include "MummyLog.h"
#include "MummySettings.h"
#include "cableClass.h"
#include "cableClassType.h"
#include "cableFundamentalType.h"
#include "cableFunctionType.h"
#include "cableMethod.h"
#include "cablePointerType.h"
#include "cableType.h"
#include "gxsys/ios/sstream"
//----------------------------------------------------------------------------
MummyCsharpShadowLayerGenerator::MummyCsharpShadowLayerGenerator()
{
this->CsharpGenerator = 0;
}
//----------------------------------------------------------------------------
MummyCsharpShadowLayerGenerator::~MummyCsharpShadowLayerGenerator()
{
}
//----------------------------------------------------------------------------
bool MummyCsharpShadowLayerGenerator::GenerateWrappers()
{
this->EmitClassForShadowLayer(*GetStream(), GetTargetClass());
return false;
}
//----------------------------------------------------------------------------
MummyCsharpGenerator* MummyCsharpShadowLayerGenerator::GetCsharpGenerator()
{
return this->CsharpGenerator;
}
//----------------------------------------------------------------------------
void MummyCsharpShadowLayerGenerator::SetCsharpGenerator(MummyCsharpGenerator* generator)
{
this->CsharpGenerator = generator;
}
//----------------------------------------------------------------------------
const char *MummyCsharpShadowLayerGenerator::GetArgName(cable::FunctionType *ftype, unsigned int i)
{
return this->GetCsharpGenerator()->GetArgName(ftype, i);
}
//----------------------------------------------------------------------------
gxsys_stl::string GetShadowClassName(const cable::Class *c)
{
gxsys_stl::string s(c->GetName());
s += "Shadow";
return s;
}
//----------------------------------------------------------------------------
gxsys_stl::string GetPrimaryDelegateCxxType(const cable::Class *c)
{
return GetShadowClassName(c) + "_PrimaryType";
}
//----------------------------------------------------------------------------
gxsys_stl::string GetSecondaryDelegateCxxType(const cable::Class *c)
{
return gxsys_stl::string(c->GetName()) + "*";
}
//----------------------------------------------------------------------------
void MummyCsharpShadowLayerGenerator::EmitClassMethodDeclarationForShadowLayer(gxsys_ios::ostream &os, const cable::Class *, const cable::Method *m, const unsigned int, int indent, const char *implClassName)
{
cable::FunctionType *ft = m->GetFunctionType();
unsigned int cArgs = ft->GetNumberOfArguments();
unsigned int i = 0;
cable::Type *argType = 0;
cable::Type *retType = ft->GetReturns();
EmitIndent(os, indent);
// Context:
// Emit(os, "/* ");
// Emit(os, m->GetContext()->GetName());
// Emit(os, " */ ");
// Abstract?
// if (m->GetPureVirtual())
// {
// Emit(os, "/* pure virtual */ ");
// }
// Definitely virtual:
if (m->GetVirtual() && !implClassName)
{
Emit(os, "virtual ");
}
// Return type:
Emit(os, retType->GetCxxType().GetName().c_str());
Emit(os, " ");
// Class name colon colon:
if (implClassName)
{
Emit(os, implClassName);
Emit(os, "::");
}
// Method name:
Emit(os, m->GetName());
// Open args:
Emit(os, "(");
// The real args:
for (i= 0; i<cArgs; ++i)
{
argType = ft->GetArgument(i);
// arg "i":
Emit(os, argType->GetCxxType().GetName().c_str());
Emit(os, " ");
Emit(os, GetArgName(ft, i));
if (i<cArgs-1)
{
Emit(os, ", ");
}
}
// Close args:
Emit(os, ")");
}
//----------------------------------------------------------------------------
void MummyCsharpShadowLayerGenerator::EmitClassDeclarationForShadowLayer(gxsys_ios::ostream &os, const cable::Class *c, const gxsys_stl::vector<cable::Method*>& wrapped_methods, cable::Method*, cable::Method*, cable::Method*, cable::Method*)
{
unsigned int i = 0;
gxsys_stl::string s(GetShadowClassName(c));
if (ClassIsA(c, "vtkObject"))
{
Emit(os, "\n");
Emit(os, "\n");
Emit(os, "//----------------------------------------------------------------------------\n");
Emit(os, "#include \"vtkDebugLeaks.h\"\n");
}
Emit(os, "\n");
Emit(os, "\n");
Emit(os, "//----------------------------------------------------------------------------\n");
Emit(os, "#undef ");
Emit(os, s.c_str());
Emit(os, "_USE_IDISPATCH_AS_PRIMARY\n");
Emit(os, "\n");
Emit(os, "#ifdef _MSC_VER\n");
Emit(os, "#define ");
Emit(os, s.c_str());
Emit(os, "_USE_IDISPATCH_AS_PRIMARY\n");
Emit(os, "#endif\n");
Emit(os, "\n");
Emit(os, "#ifdef ");
Emit(os, s.c_str());
Emit(os, "_USE_IDISPATCH_AS_PRIMARY\n");
Emit(os, "#include \"windows.h\" // HRESULT, FAILED, E_UNEXPECTED\n");
Emit(os, "#define ");
Emit(os, s.c_str());
Emit(os, "_PrimaryType IDispatch*\n");
Emit(os, "#else\n");
Emit(os, "#define ");
Emit(os, s.c_str());
Emit(os, "_PrimaryType void*\n");
Emit(os, "#define HRESULT long\n");
Emit(os, "#define FAILED(hr) ((HRESULT)(hr) < 0)\n");
Emit(os, "#define E_UNEXPECTED ((HRESULT)0x8000FFFFL)\n");
Emit(os, "#endif\n");
Emit(os, "\n");
Emit(os, "\n");
Emit(os, "//----------------------------------------------------------------------------\n");
Emit(os, "class ");
Emit(os, s.c_str());
Emit(os, " : public ");
Emit(os, c->GetQualifiedName().c_str());
// Abstract?
//if (c->GetAbstract())
// {
// Emit(os, " /* abstract */");
// }
Emit(os, "\n");
Emit(os, "{\n");
Emit(os, "public:\n");
// Shadow class always has factory method and DisconnectShadowDelegates:
//
// The factory method is "create-and-connect" so that it can be made in
// one "over-the-boundary" call from the wrapped layer:
//
EmitIndent(os);
Emit(os, "static ");
Emit(os, s.c_str());
Emit(os, "* CreateShadow(");
Emit(os, GetPrimaryDelegateCxxType(c).c_str());
Emit(os, " primary);");
Emit(os, "\n");
EmitIndent(os);
Emit(os, "void DisconnectShadowDelegates();");
Emit(os, "\n");
Emit(os, "\n");
// And overrides of all the virtual wrapped methods (including the Register
// and UnRegister methods, if any...)
//
i = 0;
for (gxsys_stl::vector<cable::Method*>::const_iterator mit = wrapped_methods.begin();
mit != wrapped_methods.end(); ++mit)
{
if ((*mit)->GetVirtual())
{
EmitClassMethodDeclarationForShadowLayer(os, c, *mit, i+1, 1, false);
Emit(os, ";\n");
}
++i;
}
Emit(os, "\n");
Emit(os, "protected:\n");
EmitIndent(os);
Emit(os, s.c_str());
Emit(os, "();\n");
EmitIndent(os);
Emit(os, "virtual ~");
Emit(os, s.c_str());
Emit(os, "();\n");
Emit(os, "\n");
Emit(os, "private:\n");
EmitIndent(os);
Emit(os, GetPrimaryDelegateCxxType(c).c_str());
Emit(os, " PrimaryDelegate;");
Emit(os, "\n");
EmitIndent(os);
Emit(os, GetSecondaryDelegateCxxType(c).c_str());
Emit(os, " SecondaryDelegate;");
Emit(os, "\n");
// A bool flag for each virtual override indicating whether the shadow
// class is currently calling that method on the primary delegate or not:
//
i = 0;
for (gxsys_stl::vector<cable::Method*>::const_iterator mit = wrapped_methods.begin();
mit != wrapped_methods.end(); ++mit)
{
if ((*mit)->GetVirtual())
{
EmitIndent(os);
Emit(os, "bool CallingPrimary_");
Emit(os, (*mit)->GetName());
Emit(os, "_");
EmitUint(os, i+1);
Emit(os, ";\n");
}
++i;
}
Emit(os, "};\n");
}
//----------------------------------------------------------------------------
// The string returned from these Variant functions should be a valid V_ and
// VT_ suffix for use with initializing/accessing a VARIANT variable of the
// given type...
//
// For example, in the use case:
// VariantInit(&vargs[0]);
// V_VT(&vargs[0]) = VT_I4;
// V_I4(&vargs[0]) = (long) callData;
// This function will receive a cable type representing the C++ type "long"
// and return "I4"...
//
gxsys_stl::string /* MummyCsharpShadowLayerGenerator:: */ GetVariantFundamentalTypeString(const cable::Type *t)
{
gxsys_stl::string s;
if (cable::Type::FundamentalTypeId == t->GetTypeId())
{
s = cable::FundamentalType::SafeDownCast(t)->GetTypeName();
switch (cxx::FundamentalType::SafeDownCast(t->GetCxxType().GetType())->GetId())
{
case cxx::FundamentalType::UnsignedChar:
s = "UI1";
break;
case cxx::FundamentalType::UnsignedShortInt:
s = "UI2";
break;
case cxx::FundamentalType::UnsignedInt:
case cxx::FundamentalType::UnsignedLongInt:
s = "UI4";
break;
case cxx::FundamentalType::UnsignedLongLongInt:
s = "UI8";
break;
case cxx::FundamentalType::SignedChar:
case cxx::FundamentalType::Char:
s = "I1";
break;
case cxx::FundamentalType::ShortInt:
s = "I2";
break;
case cxx::FundamentalType::Int:
case cxx::FundamentalType::LongInt:
s = "I4";
break;
case cxx::FundamentalType::LongLongInt:
s = "I8";
break;
case cxx::FundamentalType::Bool:
s = "BOOL";
break;
case cxx::FundamentalType::Float:
s = "R4";
break;
case cxx::FundamentalType::Double:
s = "R8";
break;
//case cxx::FundamentalType::Void:
//case cxx::FundamentalType::WChar_t:
//case cxx::FundamentalType::LongDouble:
//case cxx::FundamentalType::ComplexFloat:
//case cxx::FundamentalType::ComplexDouble:
//case cxx::FundamentalType::ComplexLongDouble:
//case cxx::FundamentalType::NumberOfTypes:
default:
break;
}
}
if (s == "")
{
LogError(me_InternalError,
<< "Unhandled variable type. GetVariantFundamentalTypeString returning the empty string...");
}
return s;
}
//----------------------------------------------------------------------------
gxsys_stl::string /* MummyCsharpShadowLayerGenerator:: */ GetVariantTypeString(const cable::Type *t)
{
gxsys_stl::string s;
cable::Type *nested_type = 0;
switch (t->GetTypeId())
{
case cable::Type::EnumerationTypeId:
s = "UI4";
break;
case cable::Type::FundamentalTypeId:
s = GetVariantFundamentalTypeString(t);
break;
case cable::Type::ArrayTypeId:
s = "ERROR_ArrayTypeId_not_yet_implemented";
LogError(me_InternalError, << s.c_str());
break;
case cable::Type::ClassTypeId:
s = "ERROR_passing_class__";
s += cable::ClassType::SafeDownCast(t)->GetClass()->GetName();
s += "__by_value_not_allowed";
LogError(me_InternalError, << s.c_str());
break;
case cable::Type::PointerTypeId:
nested_type = cable::PointerType::SafeDownCast(t)->GetTarget();
// IntPtr maps to I4 on 32-bit windows and I8 on 64-bit windows...
//
if (IsObject(nested_type))
{
s = "I4";
}
else if (IsChar(nested_type))
{
s = "I4";
}
else if (IsVoid(nested_type))
{
s = "I4";
}
else if (cable::Type::FundamentalTypeId == nested_type->GetTypeId())
{
s = "I4";
}
else if (cable::Type::PointerTypeId == nested_type->GetTypeId())
{
s = "I4 /* pointer */";
}
else
{
s = "ERROR_PointerTypeId_not_yet_implemented_for_nested_type";
LogError(me_InternalError, << s.c_str());
}
break;
case cable::Type::ReferenceTypeId:
s = "ERROR_ReferenceTypeId_not_yet_implemented";
LogError(me_InternalError, << s.c_str());
break;
case cable::Type::OffsetTypeId:
case cable::Type::MethodTypeId:
case cable::Type::FunctionTypeId:
default:
s = "ERROR_No_Variant_type_for_cable_Type_TypeId";
LogError(me_InternalError, << s.c_str());
break;
}
if (s == "")
{
LogError(me_InternalError,
<< "Unhandled variable type. GetVariantTypeString returning the empty string...");
}
return s;
}
//----------------------------------------------------------------------------
gxsys_stl::string /* MummyCsharpShadowLayerGenerator:: */ GetVariantTypeCastingString(const cable::Type *t)
{
gxsys_stl::string s;
cable::Type *nested_type = 0;
switch (t->GetTypeId())
{
case cable::Type::EnumerationTypeId:
s = "(unsigned int) ";
break;
case cable::Type::FundamentalTypeId:
// No cast needed...
s = "";
break;
case cable::Type::ArrayTypeId:
s = "ERROR_ArrayTypeId_not_yet_implemented";
LogError(me_InternalError, << s.c_str());
break;
case cable::Type::ClassTypeId:
s = "ERROR_passing_class__";
s += cable::ClassType::SafeDownCast(t)->GetClass()->GetName();
s += "__by_value_not_allowed";
LogError(me_InternalError, << s.c_str());
break;
case cable::Type::PointerTypeId:
nested_type = cable::PointerType::SafeDownCast(t)->GetTarget();
// IntPtr maps to I4 on 32-bit windows and I8 on 64-bit windows...
//
if (IsObject(nested_type))
{
s = "(int) ";
}
else if (IsChar(nested_type))
{
s = "(int) ";
}
else if (IsVoid(nested_type))
{
s = "(int) ";
}
else if (cable::Type::FundamentalTypeId == nested_type->GetTypeId())
{
s = "(int) ";
}
else if (cable::Type::PointerTypeId == nested_type->GetTypeId())
{
s = "(int) /* pointer */";
}
else
{
s = "ERROR_PointerTypeId_not_yet_implemented_for_nested_type";
LogError(me_InternalError, << s.c_str());
}
break;
case cable::Type::ReferenceTypeId:
s = "ERROR_ReferenceTypeId_not_yet_implemented";
LogError(me_InternalError, << s.c_str());
break;
case cable::Type::OffsetTypeId:
case cable::Type::MethodTypeId:
case cable::Type::FunctionTypeId:
default:
s = "ERROR_No_Variant_type_for_cable_Type_TypeId";
LogError(me_InternalError, << s.c_str());
break;
}
return s;
}
//----------------------------------------------------------------------------
void MummyCsharpShadowLayerGenerator::EmitClassImplementationForShadowLayer(gxsys_ios::ostream &os, const cable::Class *c, const gxsys_stl::vector<cable::Method*>& wrapped_methods, cable::Method* factoryM, cable::Method* disposalM, cable::Method* registerM, cable::Method* unRegisterM)
{
unsigned int i = 0;
gxsys_stl::string s(GetShadowClassName(c));
gxsys_ios::ostringstream oss;
gxsys_stl::string vargs;
// Shadow class always has factory method and DisconnectShadowDelegates:
//
Emit(os, "\n");
Emit(os, "\n");
Emit(os, "//----------------------------------------------------------------------------\n");
Emit(os, "/* static */\n");
Emit(os, s.c_str());
Emit(os, "* ");
Emit(os, s.c_str());
Emit(os, "::");
Emit(os, "CreateShadow(");
Emit(os, GetPrimaryDelegateCxxType(c).c_str());
Emit(os, " primary)");
Emit(os, "\n");
Emit(os, "{\n");
EmitIndent(os);
Emit(os, s.c_str());
Emit(os, "* rv = new ");
Emit(os, s.c_str());
Emit(os, ";\n");
EmitIndent(os);
Emit(os, "rv->PrimaryDelegate = primary;\n");
EmitIndent(os);
Emit(os, "rv->SecondaryDelegate = ");
if (factoryM)
{
Emit(os, c->GetName());
Emit(os, "::");
Emit(os, factoryM->GetName());
Emit(os, "()");
}
else
{
Emit(os, "0");
}
Emit(os, ";\n");
Emit(os, "\n");
EmitIndent(os);
Emit(os, "if (rv->PrimaryDelegate)\n");
EmitIndent(os, 2);
Emit(os, "{\n");
Emit(os, "#ifdef ");
Emit(os, s.c_str());
Emit(os, "_USE_IDISPATCH_AS_PRIMARY\n");
EmitIndent(os, 2);
Emit(os, "rv->PrimaryDelegate->AddRef();\n");
Emit(os, "#else\n");
Emit(os, "#endif\n");
EmitIndent(os, 2);
Emit(os, "}\n");
Emit(os, "\n");
EmitIndent(os);
Emit(os, "return rv;\n");
Emit(os, "}\n");
Emit(os, "\n");
Emit(os, "\n");
Emit(os, "//----------------------------------------------------------------------------\n");
Emit(os, "void ");
Emit(os, s.c_str());
Emit(os, "::");
Emit(os, "DisconnectShadowDelegates()");
Emit(os, "\n");
Emit(os, "{\n");
EmitIndent(os);
Emit(os, "if (this->PrimaryDelegate)\n");
EmitIndent(os, 2);
Emit(os, "{\n");
Emit(os, "#ifdef ");
Emit(os, s.c_str());
Emit(os, "_USE_IDISPATCH_AS_PRIMARY\n");
EmitIndent(os, 2);
Emit(os, "this->PrimaryDelegate->Release();\n");
Emit(os, "#else\n");
Emit(os, "#endif\n");
EmitIndent(os, 2);
Emit(os, "}\n");
EmitIndent(os);
Emit(os, "this->PrimaryDelegate = 0;\n");
Emit(os, "\n");
if (disposalM)
{
EmitIndent(os);
Emit(os, "if (this->SecondaryDelegate)\n");
EmitIndent(os, 2);
Emit(os, "{\n");
EmitIndent(os, 2);
Emit(os, "this->SecondaryDelegate->");
Emit(os, disposalM->GetName());
Emit(os, "();\n");
EmitIndent(os, 2);
Emit(os, "}\n");
}
EmitIndent(os);
Emit(os, "this->SecondaryDelegate = 0;\n");
Emit(os, "\n");
Emit(os, "}\n");
// And overrides of all the virtual wrapped methods:
//
i = 0;
for (gxsys_stl::vector<cable::Method*>::const_iterator mit = wrapped_methods.begin();
mit != wrapped_methods.end(); ++mit)
{
if ((*mit)->GetVirtual())
{
unsigned int argi = 0;
unsigned int cArgs = (*mit)->GetFunctionType()->GetNumberOfArguments();
cable::Type *retType = (*mit)->GetFunctionType()->GetReturns();
bool voidReturn = false;
if (IsVoid(retType))
{
voidReturn = true;
}
Emit(os, "\n");
Emit(os, "\n");
Emit(os, "//----------------------------------------------------------------------------\n");
EmitClassMethodDeclarationForShadowLayer(os, c, *mit, i+1, 0, s.c_str());
Emit(os, "\n");
Emit(os, "{\n");
if (!voidReturn)
{
EmitIndent(os);
Emit(os, retType->GetCxxType().GetName().c_str());
Emit(os, " rv = ");
if (cable::Type::PointerTypeId == retType->GetTypeId())
{
Emit(os, "0");
}
else if (cable::Type::FundamentalTypeId == retType->GetTypeId())
{
Emit(os, "(");
Emit(os, retType->GetCxxType().GetName().c_str());
Emit(os, ") 0");
}
else
{
Emit(os, retType->GetCxxType().GetName().c_str());
Emit(os, "()");
}
Emit(os, ";\n");
}
EmitIndent(os);
Emit(os, "HRESULT msl_hr = E_UNEXPECTED;\n");
Emit(os, "\n");
EmitIndent(os);
Emit(os, "if (this->PrimaryDelegate && !this->CallingPrimary_");
Emit(os, (*mit)->GetName());
Emit(os, "_");
EmitUint(os, i+1);
Emit(os, ")\n");
EmitIndent(os, 2);
Emit(os, "{\n");
EmitIndent(os, 2);
Emit(os, "this->CallingPrimary_");
Emit(os, (*mit)->GetName());
Emit(os, "_");
EmitUint(os, i+1);
Emit(os, " = true;\n");
Emit(os, "\n");
Emit(os, "#ifdef ");
Emit(os, s.c_str());
Emit(os, "_USE_IDISPATCH_AS_PRIMARY\n");
EmitIndent(os, 2);
Emit(os, "IDispatch *msl_pDisp = (IDispatch *) this->PrimaryDelegate;\n");
EmitIndent(os, 2);
Emit(os, "msl_pDisp->AddRef();\n");
Emit(os, "\n");
EmitIndent(os, 2);
Emit(os, "DISPID msl_dispid = (DISPID) -1;\n");
EmitIndent(os, 2);
Emit(os, "OLECHAR *msl_name = L\"");
Emit(os, (*mit)->GetName());
Emit(os, "\";\n");
if (cArgs!=0)
{
EmitIndent(os, 2);
Emit(os, "VARIANTARG msl_vargs[");
oss.rdbuf()->str("");
oss << cArgs << gxsys_ios::ends;
vargs = oss.str();
Emit(os, vargs.c_str());
Emit(os, "];\n");
}
EmitIndent(os, 2);
Emit(os, "DISPPARAMS msl_params;\n");
EmitIndent(os, 2);
Emit(os, "VARIANT msl_result;\n");
EmitIndent(os, 2);
Emit(os, "EXCEPINFO msl_excep;\n");
EmitIndent(os, 2);
Emit(os, "UINT msl_arg = (UINT) -1;\n");
Emit(os, "\n");
EmitIndent(os, 2);
Emit(os, "msl_hr = msl_pDisp->GetIDsOfNames(\n");
EmitIndent(os, 3);
Emit(os, "IID_NULL,\n");
EmitIndent(os, 3);
Emit(os, "&msl_name,\n");
EmitIndent(os, 3);
Emit(os, "1,\n");
EmitIndent(os, 3);
Emit(os, "LOCALE_USER_DEFAULT,\n");
EmitIndent(os, 3);
Emit(os, "&msl_dispid);\n");
Emit(os, "\n");
EmitIndent(os, 2);
Emit(os, "if (SUCCEEDED(msl_hr))\n");
EmitIndent(os, 3);
Emit(os, "{\n");
for (argi= 0; argi<cArgs; ++argi)
{
oss.rdbuf()->str("");
oss << "&msl_vargs[" << (cArgs-1-argi) << "]" << gxsys_ios::ends;
vargs = oss.str();
EmitIndent(os, 3);
Emit(os, "VariantInit(");
Emit(os, vargs.c_str());
Emit(os, ");\n");
EmitIndent(os, 3);
Emit(os, "V_VT(");
Emit(os, vargs.c_str());
Emit(os, ") = VT_");
Emit(os, GetVariantTypeString((*mit)->GetFunctionType()->GetArgument(argi)).c_str());
Emit(os, ";\n");
EmitIndent(os, 3);
Emit(os, "V_");
Emit(os, GetVariantTypeString((*mit)->GetFunctionType()->GetArgument(argi)).c_str());
Emit(os, "(");
Emit(os, vargs.c_str());
Emit(os, ") = ");
Emit(os, GetVariantTypeCastingString((*mit)->GetFunctionType()->GetArgument(argi)).c_str());
Emit(os, GetArgName((*mit)->GetFunctionType(), argi));
Emit(os, ";\n");
Emit(os, "\n");
}
EmitIndent(os, 3);
Emit(os, "msl_params.rgvarg = ");
if (0 == cArgs)
{
Emit(os, "0");
}
else
{
Emit(os, "&msl_vargs[0]");
}
Emit(os, ";\n");
EmitIndent(os, 3);
Emit(os, "msl_params.rgdispidNamedArgs = 0;\n");
EmitIndent(os, 3);
Emit(os, "msl_params.cArgs = ");
if (0 == cArgs)
{
Emit(os, "0");
}
else
{
Emit(os, "sizeof(msl_vargs)/sizeof(msl_vargs[0])");
}
Emit(os, ";\n");
EmitIndent(os, 3);
Emit(os, "msl_params.cNamedArgs = 0;\n");
Emit(os, "\n");
EmitIndent(os, 3);
Emit(os, "VariantInit(&msl_result);\n");
Emit(os, "\n");
EmitIndent(os, 3);
Emit(os, "memset(&msl_excep, 0, sizeof(msl_excep));\n");
Emit(os, "\n");
EmitIndent(os, 3);
Emit(os, "msl_hr = msl_pDisp->Invoke(msl_dispid, IID_NULL, LOCALE_USER_DEFAULT,\n");
EmitIndent(os, 4);
Emit(os, "DISPATCH_METHOD, &msl_params, &msl_result, &msl_excep, &msl_arg);\n");
Emit(os, "\n");
if (!voidReturn)
{
EmitIndent(os, 3);
Emit(os, "if (SUCCEEDED(msl_hr))\n");
EmitIndent(os, 4);
Emit(os, "{\n");
EmitIndent(os, 4);
Emit(os, "rv = (");
Emit(os, retType->GetCxxType().GetName().c_str());
Emit(os, ") V_");
Emit(os, GetVariantTypeString(retType).c_str());
Emit(os, "(&msl_result);\n");
EmitIndent(os, 4);
Emit(os, "}\n");
Emit(os, "\n");
}
EmitIndent(os, 3);
Emit(os, "VariantClear(&msl_result);\n");
for (argi= 0; argi<cArgs; ++argi)
{
oss.rdbuf()->str("");
oss << "&msl_vargs[" << argi << "]" << gxsys_ios::ends;
vargs = oss.str();
EmitIndent(os, 3);
Emit(os, "VariantClear(");
Emit(os, vargs.c_str());
Emit(os, ");\n");
}
EmitIndent(os, 3);
Emit(os, "}\n");
Emit(os, "\n");
EmitIndent(os, 2);
Emit(os, "msl_pDisp->Release();\n");
Emit(os, "#else\n");
Emit(os, "#endif\n");
Emit(os, "\n");
EmitIndent(os, 2);
Emit(os, "this->CallingPrimary_");
Emit(os, (*mit)->GetName());
Emit(os, "_");
EmitUint(os, i+1);
Emit(os, " = false;\n");
EmitIndent(os, 2);
Emit(os, "}\n");
Emit(os, "\n");
EmitIndent(os);
Emit(os, "if (FAILED(msl_hr) || this->CallingPrimary_");
Emit(os, (*mit)->GetName());
Emit(os, "_");
EmitUint(os, i+1);
Emit(os, ")\n");
EmitIndent(os, 2);
Emit(os, "{\n");
// Do NOT delegate Register or UnRegister calls to the
// SecondaryDelegate... Only pass them up to the parent
// class implementation on *this* object. The SecondaryDelegate
// is only held by us for delegating non-ref-counting calls
// to...
//
int secondaryIndent = 3;
if (*mit != registerM && *mit != unRegisterM)
{
secondaryIndent = 3;
EmitIndent(os, 2);
Emit(os, "if (this->SecondaryDelegate)\n");
EmitIndent(os, 3);
Emit(os, "{\n");
EmitIndent(os, 3);
if (!voidReturn)
{
Emit(os, "rv = ");
}
Emit(os, "this->SecondaryDelegate->");
Emit(os, (*mit)->GetName());
Emit(os, "(");
for (argi= 0; argi<cArgs; ++argi)
{
Emit(os, GetArgName((*mit)->GetFunctionType(), argi));
if (argi<cArgs-1)
{
Emit(os, ", ");
}
}
Emit(os, ");\n");
EmitIndent(os, 3);
Emit(os, "}\n");
EmitIndent(os, 2);
Emit(os, "else\n");
EmitIndent(os, 3);
Emit(os, "{\n");
}
else
{
secondaryIndent = 2;
}
// Only call the base class if it's not a pure virtual. If it's a pure
// virtual, then the method we are in may be the only implementation.
// If that's the case (as in vtkCommand::Execute) then it's a mistake
// if the primary delegate has not already handled it.
//
if ((*mit)->GetPureVirtual())
{
EmitIndent(os, secondaryIndent);
Emit(os, "// pure virtual method in parent class...\n");
if (*mit == registerM || *mit == unRegisterM)
{
EmitIndent(os, secondaryIndent);