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/*************************************************************************
*
* $RCSfile: astscope.cxx,v $
*
* $Revision: 1.3 $
*
* 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_ASTSCOPE_HXX_
#include <idlc/astscope.hxx>
#endif
#ifndef _IDLC_ASTBASETYPE_HXX_
#include <idlc/astbasetype.hxx>
#endif
#ifndef _IDLC_ASTINERFACE_HXX_
#include <idlc/astinterface.hxx>
#endif
#ifndef _IDLC_ERRORHANDLER_HXX_
#include <idlc/errorhandler.hxx>
#endif
using namespace ::rtl;
sal_Bool isGlobal(const OString& scopedName)
{
if ((scopedName.getLength() == 0) || (scopedName.indexOf(':') == 0))
{
return sal_True;
}
return sal_False;
}
AstScope::AstScope(NodeType nodeType)
: m_nodeType(nodeType)
{
}
AstScope::~AstScope()
{
}
AstDeclaration* AstScope::addDeclaration(AstDeclaration* pDecl)
{
AstDeclaration* pDeclaration = NULL;
if ((pDeclaration = lookupForAdd(pDecl)) != NULL)
{
if (pDecl->getNodeType() == NT_union_branch )
{
m_declarations.push_back(pDecl);
return pDecl;
}
if ( pDecl->hasAncestor(pDeclaration) )
{
idlc()->error()->error2(EIDL_REDEF_SCOPE, pDecl, pDeclaration);
return NULL;
}
if ( (pDecl->getNodeType() == pDeclaration->getNodeType()) &&
((pDecl->getNodeType() == NT_sequence) || (pDeclaration->getNodeType() == NT_array)) )
{
return pDeclaration;
}
if ( (pDeclaration->getNodeType() == NT_interface)
&& (pDecl->getNodeType() == NT_interface)
&& !((AstInterface*)pDeclaration)->isDefined() )
{
m_declarations.push_back(pDecl);
return pDecl;
}
idlc()->error()->error2(EIDL_REDEF_SCOPE, scopeAsDecl(this), pDecl);
return NULL;
}
m_declarations.push_back(pDecl);
return pDecl;
}
sal_uInt16 AstScope::getNodeCount(NodeType nodeType)
{
DeclList::iterator iter = getIteratorBegin();
DeclList::iterator end = getIteratorEnd();
AstDeclaration* pDecl = NULL;
sal_uInt16 count = 0;
while ( iter != end )
{
pDecl = *iter;
if ( pDecl->getNodeType() == nodeType )
count++;
++iter;
}
return count;
}
AstDeclaration* AstScope::lookupByName(const OString& scopedName)
{
AstDeclaration* pDecl = NULL;
AstScope* pScope = NULL;
if (scopedName.getLength() == 0)
return NULL;
// If name starts with "::" start look up in global scope
if ( isGlobal(scopedName) )
{
pDecl = scopeAsDecl(this);
if ( !pDecl )
return NULL;
pScope = pDecl->getScope();
// If this is the global scope ...
if ( !pScope )
{
// look up the scopedName part after "::"
OString subName = scopedName.copy(2);
pDecl = lookupByName(subName);
return pDecl;
//return pScope->lookupByName();
}
// OK, not global scope yet, so simply iterate with parent scope
pDecl = pScope->lookupByName(scopedName);
return pDecl;
//return pScope->lookupByName(scopedName);
}
// The name does not start with "::"
// Look up in the local scope and start with the first scope
OString firstScope = scopedName.indexOf(':') > 0 ?
scopedName.getToken(0, ':') : scopedName;
sal_Bool bFindFirstScope = sal_True;
pDecl = lookupByNameLocal(firstScope);
if ( !pDecl )
{
bFindFirstScope = sal_False;
// OK, not found. Go down parent scope chain
pDecl = scopeAsDecl(this);
if ( pDecl )
{
pScope = pDecl->getScope();
if ( pScope )
pDecl = pScope->lookupByName(scopedName);
else
pDecl = NULL;
// Special case for scope which is an interface. We
// have to look in the inherited interfaces as well.
if ( !pDecl )
{
if (m_nodeType == NT_interface)
pDecl = lookupInInherited(scopedName);
}
// if ( !pDecl )
// pDecl = lookupInForwarded(scopedName);
}
}
if ( bFindFirstScope && (firstScope != scopedName) )
{
sal_Int32 count = scopedName.getTokenCount(':');
for ( sal_Int32 i = 2; i < count; i += 2 )
{
pScope = declAsScope(pDecl);
if ( pScope )
pDecl = pScope->lookupByNameLocal(scopedName.getToken(i, ':'));
if ( !pDecl )
return NULL;
}
}
// if ( !pDecl )
// pDecl = lookupInForwarded(scopedName);
return pDecl;
}
AstDeclaration* AstScope::lookupByNameLocal(const OString& name)
{
DeclList::iterator iter = getIteratorBegin();
DeclList::iterator end = getIteratorEnd();
AstDeclaration* pDecl = NULL;
while ( iter != end )
{
pDecl = *iter;
if ( pDecl->getLocalName() == name )
return pDecl;
++iter;
}
return NULL;
}
AstDeclaration* AstScope::lookupInInherited(const OString& scopedName)
{
AstDeclaration* pDecl = NULL;
AstInterface* pInterface = (AstInterface*)this;
if ( !pInterface )
return NULL;
// Can't look in an interface which was not yet defined
if ( !pInterface->getScope() )
{
idlc()->error()->forwardLookupError(pInterface, scopedName);
}
// OK, loop through inherited interfaces. Stop when you find it
if ( pInterface->nInheritedInterfaces() > 0 )
{
DeclList::const_iterator iter = pInterface->getInheritedInterfaces().begin();
DeclList::const_iterator end = pInterface->getInheritedInterfaces().end();
while ( iter != end )
{
pDecl = ((AstInterface*)(*iter))->lookupByName(scopedName);
if ( pDecl )
return pDecl;
++iter;
}
}
// Not found
return NULL;
}
/*
AstDeclaration* AstScope::lookupInForwarded(const OString& scopedName)
{
DeclList::iterator iter = getIteratorBegin();
DeclList::iterator end = getIteratorEnd();
AstDeclaration* pDecl = NULL;
while ( iter != end )
{
pDecl = *iter;
if ( pDecl->getNodeType() == NT_interface_fwd )
{
if ( pDecl->getScopedName() == scopedName )
{
AstInterfaceFwd* pFwd = (AstInterfaceFwd*)pDecl;
if ( pFwd )
return pFwd->getFullDefintion();
}
break;
}
++iter;
}
return NULL;
}
*/
AstDeclaration* AstScope::lookupPrimitiveType(ExprType type)
{
AstDeclaration* pDecl = NULL;
AstScope* pScope = NULL;
AstBaseType* pBaseType = NULL;
OString typeName;
pDecl = scopeAsDecl(this);
if ( !pDecl )
return NULL;
pScope = pDecl->getScope();
if ( pScope)
return pScope->lookupPrimitiveType(type);
switch (type)
{
case ET_short:
typeName = OString("short");
break;
case ET_ushort:
typeName = OString("unsigned short");
break;
case ET_long:
typeName = OString("long");
break;
case ET_ulong:
typeName = OString("unsigned long");
break;
case ET_hyper:
typeName = OString("hyper");
break;
case ET_uhyper:
typeName = OString("unsigned hyper");
break;
case ET_float:
typeName = OString("float");
break;
case ET_double:
typeName = OString("double");
break;
case ET_char:
typeName = OString("char");
break;
case ET_byte:
typeName = OString("byte");
break;
case ET_boolean:
typeName = OString("boolean");
break;
case ET_any:
typeName = OString("any");
break;
case ET_void:
typeName = OString("void");
break;
case ET_type:
typeName = OString("type");
break;
case ET_string:
typeName = OString("string");
break;
}
pDecl = lookupByNameLocal(typeName);
if ( pDecl && (pDecl->getNodeType() == NT_predefined) )
{
pBaseType = (AstBaseType*)pDecl;
if ( pBaseType->getExprType() == type )
return pDecl;
}
return NULL;
}
AstDeclaration* AstScope::lookupForAdd(AstDeclaration* pDecl)
{
if ( !pDecl )
return NULL;
return lookupByNameLocal(pDecl->getLocalName());
}
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