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/*************************************************************************
*
* $RCSfile: astunion.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: jsc $ $Date: 2001-04-11 07:24:23 $
*
* 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_ASTUNION_HXX_
#include <idlc/astunion.hxx>
#endif
#ifndef _IDLC_ASTBASETYPE_HXX_
#include <idlc/astbasetype.hxx>
#endif
#ifndef _IDLC_ERRORHANDLER_HXX_
#include <idlc/errorhandler.hxx>
#endif
using namespace ::rtl;
AstUnion::AstUnion(const ::rtl::OString& name, AstType* pDiscType, AstScope* pScope)
: AstStruct(NT_union, name, NULL, pScope)
, m_pDiscriminantType(pDiscType)
, m_discExprType(ET_long)
{
AstBaseType* pBaseType;
if ( !pDiscType )
{
m_pDiscriminantType = NULL;
m_discExprType = ET_none;
return;
}
/*
* If the discriminator type is a predefined type
* then install the equivalent coercion target type in
* the pd_udisc_type field.
*/
if ( pDiscType->getNodeType() == NT_predefined )
{
pBaseType = (AstBaseType*)pDiscType;
if ( !pBaseType )
{
m_pDiscriminantType = NULL;
m_discExprType = ET_none;
return;
}
m_pDiscriminantType = pDiscType;
switch (pBaseType->getExprType())
{
case ET_long:
case ET_ulong:
case ET_short:
case ET_ushort:
case ET_char:
case ET_boolean:
m_discExprType = pBaseType->getExprType();
break;
default:
m_discExprType = ET_none;
m_pDiscriminantType = NULL;
break;
}
} else
if (pDiscType->getNodeType() == NT_enum)
{
m_discExprType = ET_any;
m_pDiscriminantType = pDiscType;
} else
{
m_discExprType = ET_none;
m_pDiscriminantType = NULL;
}
if ( !m_pDiscriminantType )
idlc()->error()->error2(EIDL_DISC_TYPE, this, pDiscType);
}
AstUnion::~AstUnion()
{
}
AstDeclaration* AstUnion::addDeclaration(AstDeclaration* pDecl)
{
if ( pDecl->getNodeType() == NT_union_branch )
{
AstUnionBranch* pBranch = (AstUnionBranch*)pDecl;
if ( lookupBranch(pBranch) )
{
idlc()->error()->error2(EIDL_MULTIPLE_BRANCH, this, pDecl);
return NULL;
}
}
return AstScope::addDeclaration(pDecl);
}
AstUnionBranch* AstUnion::lookupBranch(AstUnionBranch* pBranch)
{
AstUnionLabel* pLabel = NULL;
if ( pBranch )
pLabel = pBranch->getLabel();
if ( pLabel )
{
if (pLabel->getLabelKind() == UL_default)
return lookupDefault();
if (m_discExprType == ET_any)
/* CONVENTION: indicates enum discr */
return lookupEnum(pBranch);
return lookupLabel(pBranch);
}
return NULL;
}
AstUnionBranch* AstUnion::lookupDefault(sal_Bool bReportError)
{
DeclList::iterator iter = getIteratorBegin();
DeclList::iterator end = getIteratorEnd();
AstUnionBranch *pBranch = NULL;
AstDeclaration *pDecl = NULL;
while ( iter != end )
{
pDecl = *iter;
if ( pDecl->getNodeType() == NT_union_branch )
{
pBranch = (AstUnionBranch*)pDecl;
if (pBranch == NULL)
{
++iter;
continue;
}
if ( pBranch->getLabel() != NULL &&
pBranch->getLabel()->getLabelKind() == UL_default)
{
if ( bReportError )
idlc()->error()->error2(EIDL_MULTIPLE_BRANCH, this, pBranch);
return pBranch;
}
}
++iter;
}
return NULL;
}
AstUnionBranch* AstUnion::lookupLabel(AstUnionBranch* pBranch)
{
AstUnionLabel* pLabel = pBranch->getLabel();
if ( !pLabel->getLabelValue() )
return pBranch;
// pLabel->getLabelValue()->setExprValue(pLabel->getLabelValue()->coerce(m_discExprType, sal_False));
AstExprValue* pLabelValue = NULL;
if ( !(pLabelValue = pLabel->getLabelValue()->coerce(m_discExprType, sal_False)) )
{
idlc()->error()->evalError(pLabel->getLabelValue());
return pBranch;
} else
{
pLabel->getLabelValue()->setExprValue(pLabelValue);
}
DeclList::iterator iter = getIteratorBegin();
DeclList::iterator end = getIteratorEnd();
AstUnionBranch* pB = NULL;
AstDeclaration* pDecl = NULL;
while ( iter != end )
{
pDecl = *iter;
if ( pDecl->getNodeType() == NT_union_branch )
{
pB = (AstUnionBranch*)pDecl;
if ( !pB )
{
++iter;
continue;
}
if ( pB->getLabel() != NULL &&
pB->getLabel()->getLabelKind() == UL_label &&
pB->getLabel()->getLabelValue()->compare(pLabel->getLabelValue()) )
{
idlc()->error()->error2(EIDL_MULTIPLE_BRANCH, this, pBranch);
return pBranch;
}
}
++iter;
}
return NULL;
}
AstUnionBranch* AstUnion::lookupEnum(AstUnionBranch* pBranch)
{
AstType* pType = resolveTypeDef(m_pDiscriminantType);
if ( pType->getNodeType() != NT_enum )
return NULL;
AstUnionLabel* pLabel = pBranch->getLabel();
AstExpression* pExpr = pLabel->getLabelValue();
if ( !pExpr )
return pBranch;
/*
* Expecting a symbol label
*/
if ( pExpr->getCombOperator() != EC_symbol)
{
idlc()->error()->enumValExpected(this, pLabel);
return pBranch;
}
/*
* See if the symbol defines a constant in the discriminator enum
*/
AstEnum* pEnum = (AstEnum*)pType;
AstDeclaration* pDecl = pEnum->lookupByName(*pExpr->getSymbolicName());
if ( pDecl == NULL || pDecl->getScope() != pEnum)
{
idlc()->error()->enumValLookupFailure(this, pEnum, *pExpr->getSymbolicName());
return pBranch;
}
DeclList::iterator iter = getIteratorBegin();
DeclList::iterator end = getIteratorEnd();
AstUnionBranch* pB = NULL;
pDecl = NULL;
while ( iter != end )
{
pDecl = *iter;
if ( pDecl->getNodeType() == NT_union_branch )
{
pB = (AstUnionBranch*)pDecl;
if ( !pB )
{
++iter;
continue;
}
if ( pB->getLabel() != NULL &&
pB->getLabel()->getLabelKind() == UL_label &&
pB->getLabel()->getLabelValue()->compare(pLabel->getLabelValue()) )
{
idlc()->error()->error2(EIDL_MULTIPLE_BRANCH, this, pBranch);
return pBranch;
}
}
++iter;
}
return NULL;
}
sal_Bool AstUnion::dump(RegistryKey& rKey, RegistryTypeWriterLoader* pLoader)
{
RegistryKey localKey;
if (rKey.createKey( OStringToOUString(getFullName(), RTL_TEXTENCODING_UTF8 ), localKey))
{
fprintf(stderr, "%s: warning, could not create key '%s' in '%s'\n",
idlc()->getOptions()->getProgramName().getStr(),
getFullName().getStr(), rKey.getRegistryName().getStr());
return sal_False;
}
sal_uInt16 nMember = getNodeCount(NT_union_branch);
RegistryTypeWriter aBlob(pLoader->getApi(), RT_TYPE_UNION,
OStringToOUString(getRelativName(), RTL_TEXTENCODING_UTF8),
OStringToOUString(getDiscrimantType()->getScopedName(), RTL_TEXTENCODING_UTF8),
nMember, 0, 0);
aBlob.setDoku( getDocumentation() );
aBlob.setFileName( OStringToOUString(getFileName(), RTL_TEXTENCODING_UTF8));
if ( nMember > 0 )
{
DeclList::iterator iter = getIteratorBegin();
DeclList::iterator end = getIteratorEnd();
AstDeclaration* pDecl = NULL;
AstUnionBranch* pBranch = NULL;
AstUnionBranch* pDefault = lookupDefault(sal_False);
AstUnionLabel* pLabel = NULL;
AstExprValue* pExprValue = NULL;
RTConstValue aConst;
RTFieldAccess access = RT_ACCESS_READWRITE;
OUString docu;
sal_uInt16 index = 0;
if ( pDefault )
index = 1;
sal_Int64 disc = 0;
while ( iter != end )
{
pDecl = *iter;
if ( pDecl->getNodeType() == NT_union_branch )
{
pBranch = (AstUnionBranch*)pDecl;
if (pBranch == pDefault)
{
++iter;
continue;
}
pLabel = pBranch->getLabel();
pExprValue = pLabel->getLabelValue()->coerce(ET_hyper, sal_False);
aConst.m_type = RT_TYPE_INT64;
aConst.m_value.aHyper = pExprValue->u.hval;
if ( aConst.m_value.aHyper > disc )
disc = aConst.m_value.aHyper;
aBlob.setFieldData(index++,
OStringToOUString(pBranch->getLocalName(), RTL_TEXTENCODING_UTF8),
OStringToOUString(pBranch->getType()->getRelativName(), RTL_TEXTENCODING_UTF8),
pBranch->getDocumentation(), OUString(), RT_ACCESS_READWRITE, aConst);
}
++iter;
}
if ( pDefault )
{
access = RT_ACCESS_DEFAULT;
aConst.m_type = RT_TYPE_INT64;
aConst.m_value.aHyper = disc + 1;
aBlob.setFieldData(0,
OStringToOUString(pDefault->getLocalName(), RTL_TEXTENCODING_UTF8),
OStringToOUString(pDefault->getType()->getRelativName(), RTL_TEXTENCODING_UTF8),
pDefault->getDocumentation(), OUString(), RT_ACCESS_DEFAULT, aConst);
}
}
const sal_uInt8* pBlob = aBlob.getBlop();
sal_uInt32 aBlobSize = aBlob.getBlopSize();
if (localKey.setValue(OUString(), RG_VALUETYPE_BINARY,
(RegValue)pBlob, aBlobSize))
{
fprintf(stderr, "%s: warning, could not set value of key \"%s\" in %s\n",
idlc()->getOptions()->getProgramName().getStr(),
getFullName(), localKey.getRegistryName());
return sal_False;
}
return sal_True;
}
AstUnionBranch::AstUnionBranch(AstUnionLabel* pLabel, AstType* pType, const ::rtl::OString& name, AstScope* pScope)
: AstMember(NT_union_branch, pType, name, pScope)
, m_pLabel(pLabel)
{
}
AstUnionBranch::~AstUnionBranch()
{
if ( m_pLabel )
delete m_pLabel;
}
AstUnionLabel::AstUnionLabel()
: m_label(UL_default)
, m_pLabelValue(NULL)
{
}
AstUnionLabel::AstUnionLabel(UnionLabel labelKind, AstExpression* pExpr)
: m_label(labelKind)
, m_pLabelValue(pExpr)
{
if ( m_pLabelValue )
m_pLabelValue->evaluate(EK_const);
}
AstUnionLabel::~AstUnionLabel()
{
if ( m_pLabelValue )
delete m_pLabelValue;
}
|