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/*
* This file is part of the LibreOffice project.
*
* Based on LLVM/Clang.
*
* This file is distributed under the University of Illinois Open Source
* License. See LICENSE.TXT for details.
*
*/
#include "removeforwardstringdecl.hxx"
#include <clang/AST/ASTContext.h>
#include <clang/Basic/SourceManager.h>
/*
This is a rewriter.
Remove all forward declarations of rtl strings. I.e. 'namespace rtl { class OUString; }' etc.
*/
namespace loplugin
{
RemoveForwardStringDecl::RemoveForwardStringDecl( ASTContext& context, Rewriter& rewriter )
: RewritePlugin( context, rewriter )
{
}
void RemoveForwardStringDecl::run()
{
TraverseDecl( context.getTranslationUnitDecl());
}
bool RemoveForwardStringDecl::VisitNamespaceDecl( NamespaceDecl* declaration )
{
if( ignoreLocation( declaration ))
return true;
if( declaration->getQualifiedNameAsString() != "rtl" )
return true;
bool canRemove = true;
for( NamespaceDecl::decl_iterator it = declaration->decls_begin();
it != declaration->decls_end();
++it )
{
if( *it != NULL )
{
if( !tryRemoveStringForwardDecl( *it ))
canRemove = false;
}
}
if( canRemove ) // contained only forward decls that we removed
removeText( declaration->getSourceRange(), RemoveLineIfEmpty );
return true;
}
bool RemoveForwardStringDecl::tryRemoveStringForwardDecl( const Decl* decl )
{
const CXXRecordDecl* classdecl = dyn_cast< CXXRecordDecl >( decl );
if( classdecl == NULL )
return false;
if( !classdecl->isFreeStanding() || classdecl->isCompleteDefinition())
return false; // not a simple forward declaration
if( classdecl->getName() == "OString" || classdecl->getName() == "OUString"
|| classdecl->getName() == "OStringBuffer" || classdecl->getName() == "OUStringBuffer"
|| classdecl->getName() == "OStringHash" || classdecl->getName() == "OUStringHash"
|| classdecl->getName() == "OStringLiteral" || classdecl->getName() == "OUStringLiteral" )
{
removeText( SourceRange( classdecl->getOuterLocStart(), classdecl->getLocEnd()),
RemoveLineIfEmpty | RemoveWholeStatement );
return true;
}
return false;
}
static Plugin::Registration< RemoveForwardStringDecl > X( "removeforwardstringdecl" );
} // namespace
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