106 lines
3.2 KiB
C++
106 lines
3.2 KiB
C++
/*
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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 "compileplugin.hxx"
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#include <clang/AST/ASTConsumer.h>
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#include <clang/AST/ASTContext.h>
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#include <clang/Frontend/CompilerInstance.h>
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#include <clang/Frontend/FrontendAction.h>
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#include <clang/Frontend/FrontendPluginRegistry.h>
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#include <clang/Rewrite/Rewriter.h>
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#include "bodynotinblock.hxx"
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#include "sallogareas.hxx"
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#include "unusedvariablecheck.hxx"
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namespace loplugin
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{
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Plugin::Plugin( ASTContext& context )
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: context( context )
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{
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}
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DiagnosticBuilder Plugin::report( DiagnosticsEngine::Level level, StringRef message, SourceLocation loc )
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{
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DiagnosticsEngine& diag = context.getDiagnostics();
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#if 0
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// Do some mappings (e.g. for -Werror) that clang does not do for custom messages for some reason.
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if( level == DiagnosticsEngine::Warning && diag.getWarningsAsErrors())
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level = DiagnosticsEngine::Error;
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if( level == DiagnosticsEngine::Error && diag.getErrorsAsFatal())
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level = DiagnosticsEngine::Fatal;
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#endif
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if( loc.isValid())
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return diag.Report( loc, diag.getCustomDiagID( level, message ));
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else
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return diag.Report( diag.getCustomDiagID( level, message ));
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}
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bool Plugin::ignoreLocation( SourceLocation loc )
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{
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return context.getSourceManager().isInSystemHeader( context.getSourceManager().getExpansionLoc( loc ));
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}
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/**
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Class that manages all LO modules.
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*/
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class PluginHandler
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: public ASTConsumer
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{
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public:
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explicit PluginHandler( ASTContext& context )
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: rewriter( context.getSourceManager(), context.getLangOpts())
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, bodyNotInBlock( context )
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, salLogAreas( context )
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, unusedVariableCheck( context )
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{
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}
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virtual void HandleTranslationUnit( ASTContext& context )
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{
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if( context.getDiagnostics().hasErrorOccurred())
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return;
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bodyNotInBlock.run();
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salLogAreas.run();
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unusedVariableCheck.run();
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// TODO also LO header files? or a subdir?
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if( const RewriteBuffer* buf = rewriter.getRewriteBufferFor( context.getSourceManager().getMainFileID()))
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buf->write( llvm::outs());
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// TODO else write out the original file?
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}
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private:
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Rewriter rewriter;
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BodyNotInBlock bodyNotInBlock;
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SalLogAreas salLogAreas;
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UnusedVariableCheck unusedVariableCheck;
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};
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/**
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The Clang plugin class, just forwards to PluginHandler.
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*/
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class LibreOfficeAction
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: public PluginASTAction
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{
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public:
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virtual ASTConsumer* CreateASTConsumer( CompilerInstance& Compiler, StringRef InFile )
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{
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return new PluginHandler( Compiler.getASTContext());
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}
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virtual bool ParseArgs( const CompilerInstance& CI, const std::vector< std::string >& args )
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{
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return true;
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}
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};
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} // namespace
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static FrontendPluginRegistry::Add< loplugin::LibreOfficeAction > X( "loplugin", "LibreOffice compile check plugin" );
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