9f4d23c151
by checking if the current namespace decl is in our code, so we have to scan less stuff, which results in a 10% perf improvement for me Change-Id: Idf0e30d57b6d0dcd13daa9ed679c28b9d233d387 Reviewed-on: https://gerrit.libreoffice.org/58942 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* Based on LLVM/Clang.
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*
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* This file is distributed under the University of Illinois Open Source
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* License. See LICENSE.TXT for details.
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*
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*/
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#include "removeforwardstringdecl.hxx"
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/*
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This is a rewriter.
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Remove all forward declarations of rtl strings. I.e. 'namespace rtl { class OUString; }' etc.
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*/
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namespace loplugin
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{
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RemoveForwardStringDecl::RemoveForwardStringDecl( CompilerInstance& compiler, Rewriter& rewriter )
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: FilteringRewritePlugin( compiler, rewriter )
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{
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}
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void RemoveForwardStringDecl::run()
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{
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TraverseDecl( compiler.getASTContext().getTranslationUnitDecl());
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}
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bool RemoveForwardStringDecl::VisitNamespaceDecl( const NamespaceDecl* declaration )
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{
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if( ignoreLocation( declaration ))
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return true;
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if( declaration->getQualifiedNameAsString() != "rtl" )
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return true;
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bool canRemove = true;
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for( NamespaceDecl::decl_iterator it = declaration->decls_begin();
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it != declaration->decls_end();
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++it )
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{
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if( *it != NULL )
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{
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if( !tryRemoveStringForwardDecl( *it ))
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canRemove = false;
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}
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}
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if( canRemove ) // contained only forward decls that we removed
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removeText( declaration->getSourceRange(), RemoveLineIfEmpty );
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return true;
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}
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bool RemoveForwardStringDecl::tryRemoveStringForwardDecl( const Decl* decl )
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{
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const CXXRecordDecl* classdecl = dyn_cast< CXXRecordDecl >( decl );
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if( classdecl == NULL )
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return false;
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if( !classdecl->isFreeStanding() || classdecl->isCompleteDefinition())
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return false; // not a simple forward declaration
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if( classdecl->getName() == "OString" || classdecl->getName() == "OUString"
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|| classdecl->getName() == "OStringBuffer" || classdecl->getName() == "OUStringBuffer"
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|| classdecl->getName() == "OStringHash" || classdecl->getName() == "OUStringHash"
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|| classdecl->getName() == "OStringLiteral" || classdecl->getName() == "OUStringLiteral" )
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{
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removeText( SourceRange( classdecl->getOuterLocStart(), classdecl->getLocEnd()),
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RemoveLineIfEmpty | RemoveWholeStatement );
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return true;
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}
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return false;
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}
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static Plugin::Registration< RemoveForwardStringDecl > X( "removeforwardstringdecl" );
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} // namespace
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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