skip_operation.cpp

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#ifndef Om_Language_Operation_SkipOperation_
 
    #include "om/language/operation/skip_operation.hpp"
 
    #ifdef Om_Macro_Test_
 
        #ifndef Om_Macro_Precompilation_
 
            #include "boost/test/unit_test.hpp"
 
        #endif
 
namespace Om {
 
    namespace Language {
 
        namespace Operation {
 
            BOOST_AUTO_TEST_SUITE(SkipOperationTest)
 
                BOOST_AUTO_TEST_CASE(DefinitionTest) {
                    BOOST_CHECK_EQUAL(
                        "{skip}",
                        System::Get().Evaluate("drop find {skip} system")
                    );
                }
 
                BOOST_AUTO_TEST_CASE(GeneralTest) {
                    BOOST_CHECK_EQUAL(
                        "{A}{B}{B}",
                        System::Get().Evaluate("skip{copy}{A}{B}")
                    );
 
                    BOOST_CHECK_EQUAL(
                        "{A}{}{}",
                        System::Get().Evaluate("skip{copy}{A}{}")
                    );
 
                    BOOST_CHECK_EQUAL(
                        "{A}{B}",
                        System::Get().Evaluate("skip{}{A}{B}")
                    );
                }
 
            BOOST_AUTO_TEST_SUITE_END()
 
        }
 
    }
 
}
 
    #endif
 
#else
 
// MARK: - Om::Language::Operation::SkipOperation
 
    #define Type_ \
    Om::Language::Operation::SkipOperation
 
// MARK: public (static)
 
inline char const * Type_::GetName() {
    return Om_Language_Operation_SkipOperation_GetName_();
}
 
template <typename TheSkipOperation>
inline void Type_::GiveElements(
    TheSkipOperation & theSkipOperation,
    Consumer & theConsumer
) {
    theConsumer.TakeElement(
        GetOperator()
    );
    if (
        !theSkipOperation.thisExpression.IsEmpty()
    ) {
        theConsumer.TakeQuotedElements(theSkipOperation.thisExpression);
    }
}
 
// MARK: public (non-static)
 
inline Type_::SkipOperation():
thisExpression() {}
 
template <typename TheOperand>
inline bool Type_::TakeOperand(
    Evaluation & theEvaluation,
    TheOperand & theOperand
) {
    assert(
        !theOperand.IsEmpty()
    );
    return this->TakeQuotedProducer(
        theEvaluation,
        *theOperand.GetProgram()
    );
}
 
template <typename TheProducer>
inline bool Type_::TakeQuotedProducer(
    Evaluation & theEvaluation,
    TheProducer & theProducer
) {
    if (
        this->thisExpression.IsEmpty()
    ) {
        this->thisExpression.TakeElements(theProducer);
        return this->thisExpression.IsEmpty();
    }
    theEvaluation.TakeProducer(this->thisExpression);
    theEvaluation.TakeQuotedProducer(theProducer);
    return true;
}
 
    #undef Type_
 
#endif