386 lines
11 KiB
C++
386 lines
11 KiB
C++
/*************************************************************************
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*
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* $RCSfile: astscope.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: 2001-04-11 07:24:23 $
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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_ASTSCOPE_HXX_
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#include <idlc/astscope.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_ASTINERFACE_HXX_
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#include <idlc/astinterface.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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sal_Bool isGlobal(const OString& scopedName)
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{
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if ((scopedName.getLength() == 0) || (scopedName.indexOf(':') == 0))
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{
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return sal_True;
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}
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return sal_False;
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}
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AstScope::AstScope(NodeType nodeType)
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: m_nodeType(nodeType)
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{
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}
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AstScope::~AstScope()
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{
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}
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AstDeclaration* AstScope::addDeclaration(AstDeclaration* pDecl)
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{
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AstDeclaration* pDeclaration = NULL;
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if ((pDeclaration = lookupForAdd(pDecl)) != NULL)
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{
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if (pDecl->getNodeType() == NT_union_branch )
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{
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m_declarations.push_back(pDecl);
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return pDecl;
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}
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if ( pDecl->hasAncestor(pDeclaration) )
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{
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idlc()->error()->error2(EIDL_REDEF_SCOPE, pDecl, pDeclaration);
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return NULL;
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}
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if ( (pDecl->getNodeType() == pDeclaration->getNodeType()) &&
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((pDecl->getNodeType() == NT_sequence) || (pDeclaration->getNodeType() == NT_array)) )
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{
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return pDeclaration;
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}
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if ( (pDeclaration->getNodeType() == NT_interface)
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&& (pDecl->getNodeType() == NT_interface)
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&& !((AstInterface*)pDeclaration)->isDefined() )
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{
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m_declarations.push_back(pDecl);
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return pDecl;
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}
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idlc()->error()->error2(EIDL_REDEF_SCOPE, scopeAsDecl(this), pDecl);
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return NULL;
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}
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m_declarations.push_back(pDecl);
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return pDecl;
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}
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sal_uInt16 AstScope::getNodeCount(NodeType nodeType)
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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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sal_uInt16 count = 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() == nodeType )
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count++;
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++iter;
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}
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return count;
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}
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AstDeclaration* AstScope::lookupByName(const OString& scopedName)
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{
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AstDeclaration* pDecl = NULL;
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AstScope* pScope = NULL;
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if (scopedName.getLength() == 0)
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return NULL;
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// If name starts with "::" start look up in global scope
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if ( isGlobal(scopedName) )
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{
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pDecl = scopeAsDecl(this);
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if ( !pDecl )
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return NULL;
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pScope = pDecl->getScope();
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// If this is the global scope ...
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if ( !pScope )
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{
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// look up the scopedName part after "::"
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OString subName = scopedName.copy(2);
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pDecl = lookupByName(subName);
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return pDecl;
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//return pScope->lookupByName();
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}
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// OK, not global scope yet, so simply iterate with parent scope
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pDecl = pScope->lookupByName(scopedName);
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return pDecl;
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//return pScope->lookupByName(scopedName);
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}
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// The name does not start with "::"
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// Look up in the local scope and start with the first scope
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OString firstScope = scopedName.indexOf(':') > 0 ?
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scopedName.getToken(0, ':') : scopedName;
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sal_Bool bFindFirstScope = sal_True;
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pDecl = lookupByNameLocal(firstScope);
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if ( !pDecl )
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{
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bFindFirstScope = sal_False;
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// OK, not found. Go down parent scope chain
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pDecl = scopeAsDecl(this);
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if ( pDecl )
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{
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pScope = pDecl->getScope();
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if ( pScope )
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pDecl = pScope->lookupByName(scopedName);
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else
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pDecl = NULL;
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// Special case for scope which is an interface. We
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// have to look in the inherited interfaces as well.
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if ( !pDecl )
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{
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if (m_nodeType == NT_interface)
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pDecl = lookupInInherited(scopedName);
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}
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// if ( !pDecl )
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// pDecl = lookupInForwarded(scopedName);
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}
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}
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if ( bFindFirstScope && (firstScope != scopedName) )
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{
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sal_Int32 count = scopedName.getTokenCount(':');
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for ( sal_Int32 i = 2; i < count; i += 2 )
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{
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pScope = declAsScope(pDecl);
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if ( pScope )
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pDecl = pScope->lookupByNameLocal(scopedName.getToken(i, ':'));
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if ( !pDecl )
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return NULL;
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}
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}
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// if ( !pDecl )
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// pDecl = lookupInForwarded(scopedName);
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return pDecl;
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}
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AstDeclaration* AstScope::lookupByNameLocal(const OString& name)
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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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while ( iter != end )
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{
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pDecl = *iter;
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if ( pDecl->getLocalName() == name )
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return pDecl;
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++iter;
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}
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return NULL;
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}
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AstDeclaration* AstScope::lookupInInherited(const OString& scopedName)
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{
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AstDeclaration* pDecl = NULL;
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AstInterface* pInterface = (AstInterface*)this;
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if ( !pInterface )
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return NULL;
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// Can't look in an interface which was not yet defined
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if ( !pInterface->getScope() )
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{
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idlc()->error()->forwardLookupError(pInterface, scopedName);
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}
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// OK, loop through inherited interfaces. Stop when you find it
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if ( pInterface->nInheritedInterfaces() > 0 )
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{
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DeclList::const_iterator iter = pInterface->getInheritedInterfaces().begin();
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DeclList::const_iterator end = pInterface->getInheritedInterfaces().end();
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while ( iter != end )
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{
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pDecl = ((AstInterface*)(*iter))->lookupByName(scopedName);
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if ( pDecl )
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return pDecl;
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++iter;
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}
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}
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// Not found
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return NULL;
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}
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/*
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AstDeclaration* AstScope::lookupInForwarded(const OString& scopedName)
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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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while ( iter != end )
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{
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pDecl = *iter;
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if ( pDecl->getNodeType() == NT_interface_fwd )
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{
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if ( pDecl->getScopedName() == scopedName )
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{
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AstInterfaceFwd* pFwd = (AstInterfaceFwd*)pDecl;
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if ( pFwd )
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return pFwd->getFullDefintion();
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}
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break;
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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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*/
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AstDeclaration* AstScope::lookupPrimitiveType(ExprType type)
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{
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AstDeclaration* pDecl = NULL;
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AstScope* pScope = NULL;
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AstBaseType* pBaseType = NULL;
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OString typeName;
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pDecl = scopeAsDecl(this);
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if ( !pDecl )
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return NULL;
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pScope = pDecl->getScope();
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if ( pScope)
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return pScope->lookupPrimitiveType(type);
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switch (type)
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{
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case ET_short:
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typeName = OString("short");
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break;
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case ET_ushort:
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typeName = OString("unsigned short");
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break;
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case ET_long:
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typeName = OString("long");
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break;
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case ET_ulong:
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typeName = OString("unsigned long");
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break;
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case ET_hyper:
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typeName = OString("hyper");
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break;
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case ET_uhyper:
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typeName = OString("unsigned hyper");
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break;
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case ET_float:
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typeName = OString("float");
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break;
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case ET_double:
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typeName = OString("double");
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break;
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case ET_char:
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typeName = OString("char");
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break;
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case ET_byte:
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typeName = OString("byte");
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break;
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case ET_boolean:
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typeName = OString("boolean");
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break;
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case ET_any:
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typeName = OString("any");
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break;
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case ET_void:
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typeName = OString("void");
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break;
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case ET_type:
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typeName = OString("type");
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break;
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case ET_string:
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typeName = OString("string");
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break;
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}
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pDecl = lookupByNameLocal(typeName);
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if ( pDecl && (pDecl->getNodeType() == NT_predefined) )
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{
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pBaseType = (AstBaseType*)pDecl;
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if ( pBaseType->getExprType() == type )
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return pDecl;
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}
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return NULL;
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}
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AstDeclaration* AstScope::lookupForAdd(AstDeclaration* pDecl)
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{
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if ( !pDecl )
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return NULL;
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return lookupByNameLocal(pDecl->getLocalName());
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}
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