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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#using <cli_basetypes.dll>

#include <vcclr.h>

#include "osl/diagnose.h"
#include "com/sun/star/reflection/XConstantTypeDescription.hpp"
#include "com/sun/star/reflection/XConstantsTypeDescription.hpp"
#include "com/sun/star/reflection/XEnumTypeDescription.hpp"
#include "com/sun/star/reflection/XInterfaceTypeDescription2.hpp"
#include "com/sun/star/reflection/XCompoundTypeDescription.hpp"
#include "com/sun/star/reflection/XServiceTypeDescription2.hpp"
#include "com/sun/star/reflection/XSingletonTypeDescription2.hpp"
#include "com/sun/star/reflection/XInterfaceMethodTypeDescription.hpp"


namespace climaker
{


extern bool g_bVerbose;

ref struct Constants
{
    static ::System::String ^ sUnoVoid = "void";
    static ::System::String ^ sUnoType = "type";
    static ::System::String ^ sUnoAny =  "any";
    static ::System::String ^ sUnoBool = "boolean";
    static ::System::String ^ sUnoByte = "byte";
    static ::System::String ^ sUnoChar = "char";
    static ::System::String ^ sUnoShort = "short";
    static ::System::String ^ sUnoUShort = "unsigned short";
    static ::System::String ^ sUnoLong = "long";
    static ::System::String ^ sUnoULong = "unsigned long";
    static ::System::String ^ sUnoHyper = "hyper";
    static ::System::String ^ sUnoUHyper = "unsigned hyper";
    static ::System::String ^ sUnoString = "string";
    static ::System::String ^ sUnoFloat = "float";
    static ::System::String ^ sUnoDouble = "double";
    static ::System::String ^ sUnoXInterface = "com.sun.star.uno.XInterface";
    static ::System::String ^ sBrackets = "[]";

    static System::String^ sObject = "System.Object";
    static System::String^ sType = "System.Type";
    static System::String^ sUnoidl = "unoidl.";
    static System::String^ sVoid = "System.Void";
    static System::String^ sAny = "uno.Any";
    static System::String^ sBoolean = "System.Boolean";
    static System::String^ sChar = "System.Char";
    static System::String^ sByte = "System.Byte";
    static System::String^ sInt16 = "System.Int16";
    static System::String^ sUInt16 = "System.UInt16";
    static System::String^ sInt32 = "System.Int32";
    static System::String^ sUInt32 = "System.UInt32";
    static System::String^ sInt64 = "System.Int64";
    static System::String^ sUInt64 = "System.UInt64";
    static System::String^ sString = "System.String";
    static System::String^ sSingle = "System.Single";
    static System::String^ sDouble = "System.Double";
    static System::String^ sComma = gcnew System::String(",");

};


inline ::System::String ^ ustring_to_String( OUString const & ustr )
{
    return gcnew ::System::String(
        reinterpret_cast<wchar_t const *>(ustr.getStr()), 0, ustr.getLength());
}


inline OUString String_to_ustring( ::System::String ^ str )
{
    OSL_ASSERT( sizeof (wchar_t) == sizeof (sal_Unicode) );
    pin_ptr<const wchar_t> chars = PtrToStringChars( str );
    return OUString(reinterpret_cast<sal_Unicode const *>(chars), str->Length);
}

/* If the argument type is a typedef for an interface then the interface
   type description is returned, otherwise an exception is thrown.
*/
css::uno::Reference< css::reflection::XInterfaceTypeDescription2 >
resolveInterfaceTypedef(const css::uno::Reference<css::reflection::XTypeDescription>& type);

static ::System::Reflection::MethodAttributes c_ctor_method_attr =
(::System::Reflection::MethodAttributes)
    (::System::Reflection::MethodAttributes::Public |
     ::System::Reflection::MethodAttributes::HideBySig |
     ::System::Reflection::MethodAttributes::SpecialName |
     ::System::Reflection::MethodAttributes::RTSpecialName
     /* | xxx todo: ??? compiler does not know Instance ???
        ::System::Reflection::MethodAttributes::Instance*/);


ref class TypeEmitter : public ::System::IDisposable
{
    ::System::Reflection::Emit::ModuleBuilder ^ m_module_builder;
    array< ::System::Reflection::Assembly^>^ m_extra_assemblies;

    ::System::Reflection::MethodInfo ^ m_method_info_Type_GetTypeFromHandle;

    ::System::Type ^ m_type_Exception;
    ::System::Type ^ get_type_Exception();
    ::System::Type ^ m_type_RuntimeException;
    ::System::Type ^ get_type_RuntimeException();

    ::System::Reflection::Emit::CustomAttributeBuilder^ get_service_exception_attribute(
        const css::uno::Reference<css::reflection::XServiceConstructorDescription> & ctorDesc);
    ::System::Reflection::Emit::CustomAttributeBuilder^ get_iface_method_exception_attribute(
        const css::uno::Reference< css::reflection::XInterfaceMethodTypeDescription >& xMethod );
    ::System::Reflection::Emit::CustomAttributeBuilder^ get_exception_attribute(
        const css::uno::Sequence<css::uno::Reference<
        css::reflection::XCompoundTypeDescription > >& seq_exceptionsTd );
/* Creates ::System::Type object for UNO exceptions. The UNO exceptions are
       obtained by
       css::reflection::XServiceConstructorDescription::getExceptions
       In a first step the respective CLI types are created. Then it is examined
       if a Type represents a super class of another class. If so the Type of the
       derived class is discarded. For example there are a uno RuntimeException and
       a DeploymentException which inherits RuntimeException. Then only the cli Type
       of the RuntimeException is returned.
       The purpose of this function is to provide exceptions for which catch blocks
       are generated in the service constructor code.

       It is always an instance of an ArrayList returned, even if the sequence argument
       does not contain elements.
    */
    ::System::Collections::ArrayList ^ get_service_ctor_method_exceptions_reduced(
        const css::uno::Sequence<
        css::uno::Reference<css::reflection::XCompoundTypeDescription> > & seqExceptionsTd);


    ref class iface_entry
    {
    public:
        css::reflection::XInterfaceTypeDescription2 * m_xType;
        ::System::Reflection::Emit::TypeBuilder ^ m_type_builder;
    };
    ::System::Collections::Hashtable ^ m_incomplete_ifaces;
    ::System::Type ^ complete_iface_type( iface_entry ^ entry );

    ref class struct_entry
    {
    public:
         css::reflection::XCompoundTypeDescription * m_xType;
        ::System::Reflection::Emit::TypeBuilder ^ m_type_builder;
        ::System::Type ^ m_base_type;

        array< ::System::String^>^ m_member_names;
        array< ::System::Type^>^ m_param_types;
        ::System::Reflection::ConstructorInfo ^ m_default_ctor;
        ::System::Reflection::ConstructorInfo ^ m_ctor;
    };
    ::System::Collections::Hashtable ^ m_incomplete_structs;
    ::System::Type ^ complete_struct_type( struct_entry ^ entry );

    /*  returns the type for the name. If it is a struct then it may
        complete the struct if not already done. This also refers to its
        base types.

        @param sName
            the full name of the type.
        @return the type object for sName. Not necessarily a struct.
    */
    ::System::Type ^ get_complete_struct( ::System::String ^ sName);

    ref class service_entry
    {
    public:
        ::System::Reflection::Emit::TypeBuilder ^ m_type_builder;
        css::reflection::XServiceTypeDescription2 * m_xType;
    };
    ::System::Collections::Hashtable ^ m_incomplete_services;
    ::System::Type ^ complete_service_type(service_entry ^ entry);

    ref class singleton_entry
    {
    public:
        ::System::Reflection::Emit::TypeBuilder ^ m_type_builder;
        css::reflection::XSingletonTypeDescription2 * m_xType;
    };


    ::System::Collections::Hashtable ^ m_incomplete_singletons;
    ::System::Type ^ complete_singleton_type(singleton_entry ^ entry);


    ::System::Collections::Hashtable ^ m_generated_structs;

    ::System::Type ^ get_type(
        ::System::String ^ cli_name, bool throw_exc );
    ::System::Type ^ get_type(
        css::uno::Reference<
        css::reflection::XConstantTypeDescription > const & xType );
    ::System::Type ^ get_type(
        css::uno::Reference<
        css::reflection::XConstantsTypeDescription > const & xType );
    ::System::Type ^ get_type(
        css::uno::Reference<
        css::reflection::XEnumTypeDescription > const & xType );
    /* returns the type for a struct or exception. In case of a polymorphic struct it may
        return a ::uno::PolymorphicType (cli_basetypes.dll) only if the struct is already
        complete.
    */
    ::System::Type ^ get_type(
        css::uno::Reference<
        css::reflection::XCompoundTypeDescription > const & xType );
    ::System::Type ^ get_type(
        css::uno::Reference<
        css::reflection::XInterfaceTypeDescription2 > const & xType );
    ::System::Type ^ get_type(
        css::uno::Reference<
        css::reflection::XSingletonTypeDescription2 > const & xType );

    /*
      May return NULL if the service description is an obsolete. See
      description of
      com.sun.star.reflection.XServiceTypeDescription2.isSingleInterfaceBased
     */
    ::System::Type ^ get_type(
        css::uno::Reference<
        css::reflection::XServiceTypeDescription2 > const & xType );
public:
    TypeEmitter(
        ::System::Reflection::Emit::ModuleBuilder ^ module_builder,
        array< ::System::Reflection::Assembly^>^ assemblies );
    // must be called to finish up uncompleted types
    ~TypeEmitter();

    ::System::Reflection::Assembly ^ type_resolve(
        ::System::Object ^ sender, ::System::ResolveEventArgs ^ args );

    ::System::Type ^ get_type(
        css::uno::Reference<
        css::reflection::XTypeDescription > const & xType );
};

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */