430 lines
13 KiB
C++
430 lines
13 KiB
C++
/*************************************************************************
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*
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* $RCSfile: astunion.cxx,v $
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*
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* $Revision: 1.3 $
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*
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* last change: $Author: jsc $ $Date: 2001-08-30 07:22:03 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _IDLC_ASTUNION_HXX_
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#include <idlc/astunion.hxx>
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#endif
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#ifndef _IDLC_ASTBASETYPE_HXX_
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#include <idlc/astbasetype.hxx>
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#endif
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#ifndef _IDLC_ERRORHANDLER_HXX_
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#include <idlc/errorhandler.hxx>
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#endif
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using namespace ::rtl;
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AstUnion::AstUnion(const ::rtl::OString& name, AstType* pDiscType, AstScope* pScope)
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: AstStruct(NT_union, name, NULL, pScope)
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, m_pDiscriminantType(pDiscType)
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, m_discExprType(ET_long)
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{
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AstBaseType* pBaseType;
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if ( !pDiscType )
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{
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m_pDiscriminantType = NULL;
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m_discExprType = ET_none;
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return;
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}
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/*
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* If the discriminator type is a predefined type
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* then install the equivalent coercion target type in
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* the pd_udisc_type field.
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*/
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if ( pDiscType->getNodeType() == NT_predefined )
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{
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pBaseType = (AstBaseType*)pDiscType;
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if ( !pBaseType )
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{
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m_pDiscriminantType = NULL;
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m_discExprType = ET_none;
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return;
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}
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m_pDiscriminantType = pDiscType;
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switch (pBaseType->getExprType())
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{
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case ET_long:
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case ET_ulong:
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case ET_short:
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case ET_ushort:
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case ET_char:
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case ET_boolean:
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m_discExprType = pBaseType->getExprType();
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break;
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default:
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m_discExprType = ET_none;
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m_pDiscriminantType = NULL;
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break;
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}
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} else
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if (pDiscType->getNodeType() == NT_enum)
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{
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m_discExprType = ET_any;
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m_pDiscriminantType = pDiscType;
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} else
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{
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m_discExprType = ET_none;
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m_pDiscriminantType = NULL;
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}
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if ( !m_pDiscriminantType )
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idlc()->error()->error2(EIDL_DISC_TYPE, this, pDiscType);
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}
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AstUnion::~AstUnion()
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{
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}
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AstDeclaration* AstUnion::addDeclaration(AstDeclaration* pDecl)
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{
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if ( pDecl->getNodeType() == NT_union_branch )
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{
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AstUnionBranch* pBranch = (AstUnionBranch*)pDecl;
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if ( lookupBranch(pBranch) )
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{
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idlc()->error()->error2(EIDL_MULTIPLE_BRANCH, this, pDecl);
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return NULL;
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}
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}
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return AstScope::addDeclaration(pDecl);
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}
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AstUnionBranch* AstUnion::lookupBranch(AstUnionBranch* pBranch)
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{
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AstUnionLabel* pLabel = NULL;
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if ( pBranch )
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pLabel = pBranch->getLabel();
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if ( pLabel )
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{
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if (pLabel->getLabelKind() == UL_default)
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return lookupDefault();
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if (m_discExprType == ET_any)
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/* CONVENTION: indicates enum discr */
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return lookupEnum(pBranch);
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return lookupLabel(pBranch);
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}
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return NULL;
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}
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AstUnionBranch* AstUnion::lookupDefault(sal_Bool bReportError)
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{
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DeclList::iterator iter = getIteratorBegin();
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DeclList::iterator end = getIteratorEnd();
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AstUnionBranch *pBranch = NULL;
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AstDeclaration *pDecl = NULL;
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while ( iter != end )
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{
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pDecl = *iter;
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if ( pDecl->getNodeType() == NT_union_branch )
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{
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pBranch = (AstUnionBranch*)pDecl;
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if (pBranch == NULL)
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{
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++iter;
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continue;
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}
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if ( pBranch->getLabel() != NULL &&
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pBranch->getLabel()->getLabelKind() == UL_default)
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{
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if ( bReportError )
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idlc()->error()->error2(EIDL_MULTIPLE_BRANCH, this, pBranch);
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return pBranch;
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}
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}
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++iter;
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}
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return NULL;
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}
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AstUnionBranch* AstUnion::lookupLabel(AstUnionBranch* pBranch)
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{
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AstUnionLabel* pLabel = pBranch->getLabel();
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if ( !pLabel->getLabelValue() )
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return pBranch;
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// pLabel->getLabelValue()->setExprValue(pLabel->getLabelValue()->coerce(m_discExprType, sal_False));
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AstExprValue* pLabelValue = NULL;
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if ( !(pLabelValue = pLabel->getLabelValue()->coerce(m_discExprType, sal_False)) )
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{
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idlc()->error()->evalError(pLabel->getLabelValue());
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return pBranch;
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} else
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{
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pLabel->getLabelValue()->setExprValue(pLabelValue);
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}
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DeclList::iterator iter = getIteratorBegin();
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DeclList::iterator end = getIteratorEnd();
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AstUnionBranch* pB = NULL;
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AstDeclaration* pDecl = NULL;
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while ( iter != end )
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{
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pDecl = *iter;
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if ( pDecl->getNodeType() == NT_union_branch )
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{
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pB = (AstUnionBranch*)pDecl;
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if ( !pB )
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{
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++iter;
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continue;
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}
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if ( pB->getLabel() != NULL &&
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pB->getLabel()->getLabelKind() == UL_label &&
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pB->getLabel()->getLabelValue()->compare(pLabel->getLabelValue()) )
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{
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idlc()->error()->error2(EIDL_MULTIPLE_BRANCH, this, pBranch);
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return pBranch;
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}
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}
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++iter;
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}
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return NULL;
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}
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AstUnionBranch* AstUnion::lookupEnum(AstUnionBranch* pBranch)
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{
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AstType* pType = resolveTypeDef(m_pDiscriminantType);
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if ( pType->getNodeType() != NT_enum )
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return NULL;
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AstUnionLabel* pLabel = pBranch->getLabel();
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AstExpression* pExpr = pLabel->getLabelValue();
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if ( !pExpr )
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return pBranch;
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/*
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* Expecting a symbol label
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*/
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if ( pExpr->getCombOperator() != EC_symbol)
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{
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idlc()->error()->enumValExpected(this, pLabel);
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return pBranch;
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}
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/*
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* See if the symbol defines a constant in the discriminator enum
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*/
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AstEnum* pEnum = (AstEnum*)pType;
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AstDeclaration* pDecl = pEnum->lookupByName(*pExpr->getSymbolicName());
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if ( pDecl == NULL || pDecl->getScope() != pEnum)
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{
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idlc()->error()->enumValLookupFailure(this, pEnum, *pExpr->getSymbolicName());
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return pBranch;
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}
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DeclList::iterator iter = getIteratorBegin();
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DeclList::iterator end = getIteratorEnd();
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AstUnionBranch* pB = NULL;
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pDecl = NULL;
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while ( iter != end )
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{
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pDecl = *iter;
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if ( pDecl->getNodeType() == NT_union_branch )
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{
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pB = (AstUnionBranch*)pDecl;
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if ( !pB )
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{
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++iter;
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continue;
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}
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if ( pB->getLabel() != NULL &&
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pB->getLabel()->getLabelKind() == UL_label &&
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pB->getLabel()->getLabelValue()->compare(pLabel->getLabelValue()) )
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{
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idlc()->error()->error2(EIDL_MULTIPLE_BRANCH, this, pBranch);
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return pBranch;
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}
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}
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++iter;
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}
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return NULL;
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}
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sal_Bool AstUnion::dump(RegistryKey& rKey, RegistryTypeWriterLoader* pLoader)
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{
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RegistryKey localKey;
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if (rKey.createKey( OStringToOUString(getFullName(), RTL_TEXTENCODING_UTF8 ), localKey))
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{
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fprintf(stderr, "%s: warning, could not create key '%s' in '%s'\n",
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idlc()->getOptions()->getProgramName().getStr(),
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getFullName().getStr(), OUStringToOString(rKey.getRegistryName(), RTL_TEXTENCODING_UTF8).getStr());
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return sal_False;
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}
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sal_uInt16 nMember = getNodeCount(NT_union_branch);
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RegistryTypeWriter aBlob(pLoader->getApi(), RT_TYPE_UNION,
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OStringToOUString(getRelativName(), RTL_TEXTENCODING_UTF8),
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OStringToOUString(getDiscrimantType()->getScopedName(), RTL_TEXTENCODING_UTF8),
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nMember, 0, 0);
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aBlob.setDoku( getDocumentation() );
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aBlob.setFileName( OStringToOUString(getFileName(), RTL_TEXTENCODING_UTF8));
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if ( nMember > 0 )
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{
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DeclList::iterator iter = getIteratorBegin();
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DeclList::iterator end = getIteratorEnd();
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AstDeclaration* pDecl = NULL;
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AstUnionBranch* pBranch = NULL;
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AstUnionBranch* pDefault = lookupDefault(sal_False);
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AstUnionLabel* pLabel = NULL;
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AstExprValue* pExprValue = NULL;
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RTConstValue aConst;
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RTFieldAccess access = RT_ACCESS_READWRITE;
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OUString docu;
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sal_uInt16 index = 0;
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if ( pDefault )
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index = 1;
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sal_Int64 disc = 0;
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while ( iter != end )
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{
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pDecl = *iter;
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if ( pDecl->getNodeType() == NT_union_branch )
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{
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pBranch = (AstUnionBranch*)pDecl;
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if (pBranch == pDefault)
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{
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++iter;
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continue;
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}
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pLabel = pBranch->getLabel();
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pExprValue = pLabel->getLabelValue()->coerce(ET_hyper, sal_False);
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aConst.m_type = RT_TYPE_INT64;
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aConst.m_value.aHyper = pExprValue->u.hval;
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if ( aConst.m_value.aHyper > disc )
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disc = aConst.m_value.aHyper;
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aBlob.setFieldData(index++,
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OStringToOUString(pBranch->getLocalName(), RTL_TEXTENCODING_UTF8),
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OStringToOUString(pBranch->getType()->getRelativName(), RTL_TEXTENCODING_UTF8),
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pBranch->getDocumentation(), OUString(), RT_ACCESS_READWRITE, aConst);
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}
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++iter;
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}
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if ( pDefault )
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{
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access = RT_ACCESS_DEFAULT;
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aConst.m_type = RT_TYPE_INT64;
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aConst.m_value.aHyper = disc + 1;
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aBlob.setFieldData(0,
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OStringToOUString(pDefault->getLocalName(), RTL_TEXTENCODING_UTF8),
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OStringToOUString(pDefault->getType()->getRelativName(), RTL_TEXTENCODING_UTF8),
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pDefault->getDocumentation(), OUString(), RT_ACCESS_DEFAULT, aConst);
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}
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}
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const sal_uInt8* pBlob = aBlob.getBlop();
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sal_uInt32 aBlobSize = aBlob.getBlopSize();
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if (localKey.setValue(OUString(), RG_VALUETYPE_BINARY,
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(RegValue)pBlob, aBlobSize))
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{
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fprintf(stderr, "%s: warning, could not set value of key \"%s\" in %s\n",
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idlc()->getOptions()->getProgramName().getStr(),
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getFullName().getStr(), OUStringToOString(localKey.getRegistryName(), RTL_TEXTENCODING_UTF8).getStr());
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return sal_False;
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}
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return sal_True;
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}
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AstUnionBranch::AstUnionBranch(AstUnionLabel* pLabel, AstType* pType, const ::rtl::OString& name, AstScope* pScope)
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: AstMember(NT_union_branch, pType, name, pScope)
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, m_pLabel(pLabel)
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{
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}
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AstUnionBranch::~AstUnionBranch()
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{
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if ( m_pLabel )
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delete m_pLabel;
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}
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AstUnionLabel::AstUnionLabel()
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: m_label(UL_default)
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, m_pLabelValue(NULL)
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{
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}
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AstUnionLabel::AstUnionLabel(UnionLabel labelKind, AstExpression* pExpr)
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: m_label(labelKind)
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, m_pLabelValue(pExpr)
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{
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if ( m_pLabelValue )
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m_pLabelValue->evaluate(EK_const);
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}
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AstUnionLabel::~AstUnionLabel()
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{
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if ( m_pLabelValue )
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delete m_pLabelValue;
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}
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