swap_operation.cpp

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#ifndef Om_Language_Operation_SwapOperation_
 
    #include "om/language/operation/swap_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(SwapOperationTest)
 
                BOOST_AUTO_TEST_CASE(DefinitionTest) {
                    BOOST_CHECK_EQUAL(
                        "{swap}",
                        System::Get().Evaluate("drop find {swap} system")
                    );
                }
 
                BOOST_AUTO_TEST_CASE(SimpleTest) {
                    BOOST_CHECK_EQUAL(
                        "{4{5}6}{1{2}3}",
                        System::Get().Evaluate("swap {1{2}3}{4{5}6}")
                    );
                }
 
            BOOST_AUTO_TEST_SUITE_END()
 
        }
 
    }
 
}
 
    #endif
 
#else
 
    #include "om/language/literal.hpp"
 
// MARK: - Om::Language::Operation::SwapOperation
 
    #define Type_ \
    Om::Language::Operation::SwapOperation
 
// MARK: public (static)
 
inline char const * Type_::GetName() {
    return Om_Language_Operation_SwapOperation_GetName_();
}
 
template <typename TheSwapOperation>
inline void Type_::GiveElements(
    TheSwapOperation & theSwapOperation,
    Consumer & theConsumer
) {
    theConsumer.TakeElement(
        GetOperator()
    );
    if (
        !theSwapOperation.thisOperand.IsEmpty()
    ) {
        theConsumer.TakeElement(theSwapOperation.thisOperand);
    }
}
 
// MARK: public (non-static)
 
inline Type_::SwapOperation():
thisOperand() {}
 
template <typename TheOperand>
inline bool Type_::TakeOperand(
    Evaluation & theEvaluation,
    TheOperand & theOperand
) {
    assert(
        !theOperand.IsEmpty()
    );
    if (
        this->thisOperand.IsEmpty()
    ) {
        this->thisOperand.Take(theOperand);
        return false;
    }
    theEvaluation.TakeOperand(this->thisOperand);
    theEvaluation.TakeOperand(theOperand);
    return true;
}
 
template <typename TheProducer>
inline bool Type_::TakeQuotedProducer(
    Evaluation & theEvaluation,
    TheProducer & theProducer
) {
    if (
        this->thisOperand.IsEmpty()
    ) {
        this->thisOperand.SetProgram(
            theProducer.GiveProgram()
        );
        return false;
    }
    theEvaluation.TakeOperand(this->thisOperand);
    theEvaluation.TakeQuotedProducer(theProducer);
    return true;
}
 
    #undef Type_
 
#endif