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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#include <astscope.hxx>
#include <astbasetype.hxx>
#include <astinterface.hxx>
#include <errorhandler.hxx>
#include <osl/diagnose.h>
static bool isGlobal(const OString& scopedName)
{
return scopedName.isEmpty() || scopedName.startsWith(":");
}
AstScope::AstScope(NodeType nodeType)
: m_nodeType(nodeType)
{
}
AstScope::~AstScope()
{
}
AstDeclaration* AstScope::addDeclaration(AstDeclaration* pDecl)
{
AstDeclaration* pDeclaration = nullptr;
if ((pDeclaration = lookupForAdd(pDecl)) != nullptr)
{
if ( pDecl->hasAncestor(pDeclaration) )
{
ErrorHandler::error2(ErrorCode::RedefScope, pDecl, pDeclaration);
return nullptr;
}
if ( (pDecl->getNodeType() == pDeclaration->getNodeType()) &&
(pDecl->getNodeType() == NT_sequence
|| pDecl->getNodeType() == NT_instantiated_struct) )
{
return pDeclaration;
}
if ( (pDeclaration->getNodeType() == NT_interface)
&& (pDecl->getNodeType() == NT_interface)
&& !(static_cast<AstInterface*>(pDeclaration)->isDefined()) )
{
m_declarations.push_back(pDecl);
return pDecl;
}
if ( (NT_service == m_nodeType) &&
( ((pDecl->getNodeType() == NT_interface_member)
&& (pDeclaration->getNodeType() == NT_interface)) ||
((pDecl->getNodeType() == NT_service_member)
&& (pDeclaration->getNodeType() == NT_service)) )
)
{
m_declarations.push_back(pDecl);
return pDecl;
}
ErrorHandler::error2(ErrorCode::RedefScope, scopeAsDecl(this), pDecl);
return nullptr;
}
m_declarations.push_back(pDecl);
return pDecl;
}
sal_uInt16 AstScope::getNodeCount(NodeType nodeType) const
{
DeclList::const_iterator iter = getIteratorBegin();
DeclList::const_iterator end = getIteratorEnd();
sal_uInt16 count = 0;
while ( iter != end )
{
AstDeclaration* pDecl = *iter;
if ( pDecl->getNodeType() == nodeType )
count++;
++iter;
}
return count;
}
AstDeclaration* AstScope::lookupByName(const OString& scopedName)
{
AstDeclaration* pDecl = nullptr;
AstScope* pScope = nullptr;
if (scopedName.isEmpty())
return nullptr;
// If name starts with "::" start look up in global scope
if ( isGlobal(scopedName) )
{
pDecl = scopeAsDecl(this);
if ( !pDecl )
return nullptr;
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;
}
// The name does not start with "::"
// Look up in the local scope and start with the first scope
sal_Int32 nIndex = scopedName.indexOf(':');
OString firstScope = nIndex > 0 ? scopedName.copy(0, nIndex) : scopedName;
bool bFindFirstScope = true;
pDecl = lookupByNameLocal(firstScope);
if ( !pDecl )
{
bFindFirstScope = 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 = nullptr;
// 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 ( bFindFirstScope && (firstScope != scopedName) )
{
sal_Int32 i = 0;
sal_Int32 nOffset = 2;
do
{
pScope = declAsScope(pDecl);
if( pScope )
{
pDecl = pScope->lookupByNameLocal(scopedName.getToken(nOffset, ':', i ));
nOffset = 1;
}
if( !pDecl )
break;
} while( i != -1 );
if ( !pDecl )
{
// last try if is not the global scope and the scopeName isn't specify global too
pDecl = scopeAsDecl(this);
if ( pDecl && !pDecl->getLocalName().isEmpty() )
{
pScope = pDecl->getScope();
if ( pScope )
pDecl = pScope->lookupByName(scopedName);
} else
{
pDecl = nullptr;
}
}
}
return pDecl;
}
AstDeclaration* AstScope::lookupByNameLocal(const OString& name) const
{
for (auto const& declaration : m_declarations)
{
if ( declaration->getLocalName() == name )
return declaration;
}
return nullptr;
}
AstDeclaration* AstScope::lookupInInherited(const OString& scopedName) const
{
const AstInterface* pInterface = dynamic_cast<const AstInterface*>(this);
if ( !pInterface )
return nullptr;
// Can't look in an interface which was not yet defined
if ( !pInterface->getScope() )
{
ErrorHandler::forwardLookupError(pInterface, scopedName);
}
// OK, loop through inherited interfaces. Stop when you find it
for (auto const& elem : pInterface->getAllInheritedInterfaces())
{
AstInterface const * resolved = elem.getResolved();
AstDeclaration* pDecl = resolved->lookupByNameLocal(scopedName);
if ( pDecl )
return pDecl;
pDecl = resolved->lookupInInherited(scopedName);
if ( pDecl )
return pDecl;
}
// Not found
return nullptr;
}
AstDeclaration* AstScope::lookupPrimitiveType(ExprType type)
{
AstDeclaration* pDecl = nullptr;
AstScope* pScope = nullptr;
OString typeName;
pDecl = scopeAsDecl(this);
if ( !pDecl )
return nullptr;
pScope = pDecl->getScope();
if ( pScope)
return pScope->lookupPrimitiveType(type);
switch (type)
{
case ET_none:
OSL_ASSERT(false);
break;
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) )
{
AstBaseType* pBaseType = static_cast<AstBaseType*>(pDecl);
if ( pBaseType->getExprType() == type )
return pDecl;
}
return nullptr;
}
AstDeclaration* AstScope::lookupForAdd(AstDeclaration const * pDecl) const
{
if ( !pDecl )
return nullptr;
AstDeclaration* pRetDecl = lookupByNameLocal(pDecl->getLocalName());
return pRetDecl;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */