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only unit-test one loplugin at a time

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tell the plugin code when we are unit-testing it, so we can suppress all
the warnings except for the plugin we are currently testing

Change-Id: I240c8e37eba90c219e53c29531a3a43bc841a1c8
This commit is contained in:
Noel Grandin
2017-06-19 09:00:59 +02:00
parent d3e0ab976a
commit 45c06838e9
10 changed files with 33 additions and 22 deletions
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20
compilerplugins/clang/pluginhandler.cxx
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@@ -62,16 +62,15 @@ PluginHandler::PluginHandler( CompilerInstance& compiler, const vector< string >
, rewriter( compiler.getSourceManager(), compiler.getLangOpts())
, scope( "mainfile" )
, warningsAsErrors( false )
, unitTestMode( false )
{
set< string > rewriters;
for( vector< string >::const_iterator it = args.begin();
it != args.end();
++it )
for( string const & arg : args )
{
if( it->size() >= 2 && (*it)[ 0 ] == '-' && (*it)[ 1 ] == '-' )
handleOption( it->substr( 2 ));
if( arg.size() >= 2 && arg[ 0 ] == '-' && arg[ 1 ] == '-' )
handleOption( arg.substr( 2 ));
else
rewriters.insert( *it );
rewriters.insert( arg );
}
createPlugins( rewriters );
bPluginObjectsCreated = true;
@@ -110,6 +109,8 @@ void PluginHandler::handleOption( const string& option )
}
else if( option == "warnings-as-errors" )
warningsAsErrors = true;
else if( option == "unit-test-mode" )
unitTestMode = true;
else
report( DiagnosticsEngine::Fatal, "unknown option %0" ) << option;
}
@@ -190,7 +191,12 @@ void PluginHandler::HandleTranslationUnit( ASTContext& context )
++i )
{
if( plugins[ i ].object != NULL )
plugins[ i ].object->run();
{
// When in unit-test mode, ignore plugins whose names don't match the filename of the test,
// so that we only generate warnings for the plugin that we want to test.
if (!unitTestMode || mainFileName.find(plugins[ i ].optionName) != StringRef::npos)
plugins[ i ].object->run();
}
}
#if defined _WIN32
//TODO: make the call to 'rename' work on Windows (where the renamed-to