/*************************************************************************
 *
 *  $RCSfile: idlc.cxx,v $
 *
 *  $Revision: 1.1 $
 *
 *  last change: $Author: jsc $ $Date: 2001-03-15 12:30:43 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (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.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/
#ifndef _IDLC_IDLC_HXX_
#include <idlc/idlc.hxx>
#endif

#ifndef _IDLC_ERRORHANDLER_HXX_
#include <idlc/errorhandler.hxx>
#endif
#ifndef _IDLC_ASTSCOPE_HXX_
#include <idlc/astscope.hxx>
#endif
#ifndef _IDLC_ASTMODULE_HXX_
#include <idlc/astmodule.hxx>
#endif
#ifndef _IDLC_ASTSERVICE_HXX_
#include <idlc/astservice.hxx>
#endif
#ifndef _IDLC_ASTCONSTANTS_HXX_
#include <idlc/astconstants.hxx>
#endif
#ifndef _IDLC_ASTEXCEPTION_HXX_
#include <idlc/astexception.hxx>
#endif
#ifndef _IDLC_ASTUNION_HXX_
#include <idlc/astunion.hxx>
#endif
#ifndef _IDLC_ASTENUM_HXX_
#include <idlc/astenum.hxx>
#endif
#ifndef _IDLC_ASTINTERFACE_HXX_
#include <idlc/astinterface.hxx>
#endif
#ifndef _IDLC_ASTOPERATION_HXX_
#include <idlc/astoperation.hxx>
#endif
#ifndef _IDLC_ASTBASETYPE_HXX_
#include <idlc/astbasetype.hxx>
#endif

using namespace ::rtl;

AstDeclaration* SAL_CALL scopeAsDecl(AstScope* pScope)
{
    if (pScope == NULL) return NULL;

    switch( pScope->getScopeNodeType() )
    {
        case NT_service:
            return (AstService*)(pScope);
        case NT_module:
        case NT_root:
            return (AstModule*)(pScope);
        case NT_constants:
            return (AstConstants*)(pScope);
        case NT_interface:
            return (AstInterface*)(pScope);
        case NT_operation:
            return (AstOperation*)(pScope);
        case NT_exception:
            return (AstException*)(pScope);
        case NT_union:
            return (AstUnion*)(pScope);
        case NT_struct:
            return (AstStruct*)(pScope);
        case NT_enum:
            return (AstEnum*)(pScope);
        default:
            return NULL;
    }
}

AstScope* SAL_CALL declAsScope(AstDeclaration* pDecl)
{
    if (pDecl == NULL) return NULL;

    switch(pDecl->getNodeType())
    {
        case NT_interface:
            return (AstInterface*)(pDecl);
        case NT_service:
            return (AstService*)(pDecl);
        case NT_module:
        case NT_root:
            return (AstModule*)(pDecl);
        case NT_constants:
            return (AstConstants*)(pDecl);
        case NT_exception:
            return (AstException*)(pDecl);
        case NT_union:
            return (AstUnion*)(pDecl);
        case NT_struct:
            return (AstStruct*)(pDecl);
        case NT_enum:
            return (AstEnum*)(pDecl);
        case NT_operation:
            return (AstOperation*)(pDecl);
        default:
            return NULL;
   }
}

static void SAL_CALL initializePredefinedTypes(AstModule* pRoot)
{
    AstBaseType* pPredefined = NULL;
    if ( pRoot )
    {
         pPredefined = new AstBaseType(ET_long, OString("long"), pRoot);
         pRoot->addDeclaration(pPredefined);

         pPredefined = new AstBaseType(ET_ulong, OString("unsigned long"), pRoot);
         pRoot->addDeclaration(pPredefined);

         pPredefined = new AstBaseType(ET_hyper, OString("hyper"), pRoot);
         pRoot->addDeclaration(pPredefined);

         pPredefined = new AstBaseType(ET_uhyper, OString("unsigned hyper"), pRoot);
         pRoot->addDeclaration(pPredefined);

         pPredefined = new AstBaseType(ET_short, OString("short"), pRoot);
         pRoot->addDeclaration(pPredefined);

         pPredefined = new AstBaseType(ET_ushort, OString("unsigned short"), pRoot);
         pRoot->addDeclaration(pPredefined);

         pPredefined = new AstBaseType(ET_float, OString("float"), pRoot);
         pRoot->addDeclaration(pPredefined);

         pPredefined = new AstBaseType(ET_double, OString("double"), pRoot);
         pRoot->addDeclaration(pPredefined);

         pPredefined = new AstBaseType(ET_char, OString("char"), pRoot);
         pRoot->addDeclaration(pPredefined);

         pPredefined = new AstBaseType(ET_byte, OString("byte"), pRoot);
         pRoot->addDeclaration(pPredefined);

         pPredefined = new AstBaseType(ET_any, OString("any"), pRoot);
         pRoot->addDeclaration(pPredefined);

         pPredefined = new AstBaseType(ET_string, OString("string"), pRoot);
         pRoot->addDeclaration(pPredefined);

         pPredefined = new AstBaseType(ET_type, OString("type"), pRoot);
         pRoot->addDeclaration(pPredefined);

         pPredefined = new AstBaseType(ET_boolean, OString("boolean"), pRoot);
         pRoot->addDeclaration(pPredefined);

         pPredefined = new AstBaseType(ET_void, OString("void"), pRoot);
         pRoot->addDeclaration(pPredefined);
    }
}

Idlc::Idlc(Options* pOptions)
    : m_pOptions(pOptions)
    , m_bIsInMainfile(sal_True)
    , m_errorCount(0)
    , m_lineNumber(0)
    , m_parseState(PS_NoState)
    , m_bIsDocValid(sal_False)
{
    m_pScopes = new AstStack();
    // init root object after construction
    m_pRoot = NULL;
    m_pErrorHandler = new ErrorHandler();
    m_bGenerateDoc = m_pOptions->isValid("-C");
}

Idlc::~Idlc()
{
    if (m_pRoot)
        delete m_pRoot;
    if (m_pScopes)
        delete m_pScopes;
    if (m_pErrorHandler)
        delete m_pErrorHandler;
}

void Idlc::init()
{
    if ( m_pRoot )
        delete m_pRoot;

    m_pRoot = new AstModule(NT_root, OString(), NULL);

    // push the root node on the stack
    m_pScopes->push(m_pRoot);
    initializePredefinedTypes(m_pRoot);
}

void Idlc::reset()
{
    m_errorCount = 0;
    m_lineNumber = 0;
    m_parseState = PS_NoState;

    m_fileName = OString();
    m_mainFileName = OString();
    m_realFileName = OString();
    m_documentation = OString();

    m_pScopes->clear();
    if ( m_pRoot)
        delete m_pRoot;

    m_pRoot = new AstModule(NT_root, OString(), NULL);

    // push the root node on the stack
    m_pScopes->push(m_pRoot);
    initializePredefinedTypes(m_pRoot);
}

sal_Bool Idlc::isDocValid()
{
    if ( m_bGenerateDoc )
        return m_bIsDocValid;
    return sal_False;;
}

static Idlc* pStaticIdlc = NULL;

Idlc* SAL_CALL idlc()
{
    return pStaticIdlc;
}

Idlc* SAL_CALL setIdlc(Options* pOptions)
{
    if ( pStaticIdlc )
    {
        delete pStaticIdlc;
    }
    pStaticIdlc = new Idlc(pOptions);
    pStaticIdlc->init();
    return pStaticIdlc;
}

sal_Bool SAL_CALL canBeRedefined(AstDeclaration *pDecl)
{
    switch (pDecl->getNodeType())
    {
        case NT_module:
        case NT_constants:
        case NT_interface:
        case NT_const:
        case NT_exception:
        case NT_parameter:
        case NT_enum_val:
        case NT_array:
        case NT_sequence:
        case NT_union:
        case NT_struct:
        case NT_enum:
        case NT_typedef:
//          return sal_True;
        case NT_union_branch:
        case NT_member:
        case NT_attribute:
        case NT_operation:
        case NT_predefined:
        default:
            return sal_False;
    }
}