mirror of https://github.com/catchorg/Catch2.git
Reporter command line parser errors more eagerly
- show all “unrecognised option” errors
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f385a0b13d
commit
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@ -142,9 +142,8 @@ namespace Catch {
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int applyCommandLine( int argc, char* const argv[], OnUnusedOptions::DoWhat unusedOptionBehaviour = OnUnusedOptions::Fail ) {
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try {
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m_cli.setThrowOnUnrecognisedTokens( unusedOptionBehaviour == OnUnusedOptions::Fail );
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m_unusedTokens = m_cli.parseInto( argc, argv, m_configData );
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if( unusedOptionBehaviour == OnUnusedOptions::Fail )
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enforceNoUsedTokens();
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if( m_configData.showHelp )
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showHelp( m_configData.processName );
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m_config.reset();
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@ -152,7 +151,7 @@ namespace Catch {
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catch( std::exception& ex ) {
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{
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Colour colourGuard( Colour::Red );
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std::cerr << "\nError in input:\n"
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std::cerr << "\nError(s) in input:\n"
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<< Text( ex.what(), TextAttributes().setIndent(2) )
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<< "\n\n";
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}
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@ -167,18 +166,6 @@ namespace Catch {
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m_config.reset();
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}
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void enforceNoUsedTokens() const {
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if( !m_unusedTokens.empty() ) {
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std::vector<Clara::Parser::Token>::const_iterator
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it = m_unusedTokens.begin(),
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itEnd = m_unusedTokens.end();
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std::string msg;
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for(; it != itEnd; ++it )
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msg += " unrecognised option: " + it->data + "\n";
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throw std::runtime_error( msg.substr( 0, msg.size()-1 ) );
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}
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}
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int run( int argc, char* const argv[] ) {
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int returnCode = applyCommandLine( argc, argv );
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@ -371,18 +371,25 @@ namespace Clara {
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CommandLine()
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: m_boundProcessName( new Detail::NullBinder<ConfigT>() ),
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m_highestSpecifiedArgPosition( 0 )
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m_highestSpecifiedArgPosition( 0 ),
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m_throwOnUnrecognisedTokens( false )
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{}
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CommandLine( CommandLine const& other )
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: m_boundProcessName( other.m_boundProcessName ),
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m_options ( other.m_options ),
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m_positionalArgs( other.m_positionalArgs ),
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m_highestSpecifiedArgPosition( other.m_highestSpecifiedArgPosition )
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m_highestSpecifiedArgPosition( other.m_highestSpecifiedArgPosition ),
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m_throwOnUnrecognisedTokens( other.m_throwOnUnrecognisedTokens )
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{
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if( other.m_arg.get() )
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m_arg = ArgAutoPtr( new Arg( *other.m_arg ) );
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}
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CommandLine& setThrowOnUnrecognisedTokens( bool shouldThrow = true ) {
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m_throwOnUnrecognisedTokens = shouldThrow;
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return *this;
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}
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template<typename F>
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ArgBinder bind( F f ) {
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ArgBinder binder( this, f );
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@ -488,6 +495,7 @@ namespace Clara {
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std::vector<Parser::Token> populateOptions( std::vector<Parser::Token> const& tokens, ConfigT& config ) const {
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std::vector<Parser::Token> unusedTokens;
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std::vector<std::string> errors;
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for( std::size_t i = 0; i < tokens.size(); ++i ) {
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Parser::Token const& token = tokens[i];
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typename std::vector<Arg>::const_iterator it = m_options.begin(), itEnd = m_options.end();
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@ -499,8 +507,9 @@ namespace Clara {
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( token.type == Parser::Token::LongOpt && arg.hasLongName( token.data ) ) ) {
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if( arg.takesArg() ) {
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if( i == tokens.size()-1 || tokens[i+1].type != Parser::Token::Positional )
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throw std::domain_error( "Expected argument to option " + token.data );
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arg.boundField.set( config, tokens[++i].data );
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errors.push_back( "Expected argument to option: " + token.data );
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else
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arg.boundField.set( config, tokens[++i].data );
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}
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else {
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arg.boundField.setFlag( config );
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@ -509,11 +518,26 @@ namespace Clara {
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}
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}
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catch( std::exception& ex ) {
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throw std::runtime_error( std::string( ex.what() ) + "\n- while parsing: (" + arg.commands() + ")" );
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errors.push_back( std::string( ex.what() ) + "\n- while parsing: (" + arg.commands() + ")" );
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}
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}
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if( it == itEnd )
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unusedTokens.push_back( token );
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if( it == itEnd ) {
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if( token.type == Parser::Token::Positional || !m_throwOnUnrecognisedTokens )
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unusedTokens.push_back( token );
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else if( m_throwOnUnrecognisedTokens )
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errors.push_back( "unrecognised option: " + token.data );
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}
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}
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if( !errors.empty() ) {
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std::ostringstream oss;
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for( std::vector<std::string>::const_iterator it = errors.begin(), itEnd = errors.end();
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it != itEnd;
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++it ) {
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if( it != errors.begin() )
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oss << "\n";
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oss << *it;
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}
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throw std::runtime_error( oss.str() );
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}
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return unusedTokens;
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}
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@ -552,6 +576,7 @@ namespace Clara {
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std::map<int, Arg> m_positionalArgs;
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ArgAutoPtr m_arg;
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int m_highestSpecifiedArgPosition;
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bool m_throwOnUnrecognisedTokens;
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};
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} // end namespace Clara
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