70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
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#include <cstdio>
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#include <typeinfo>
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#include "HierarchyGenerators.h"
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using namespace ::Loki;
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//
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// Helper class for simulating (ranking) partial ordering
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//
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template<unsigned I>
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struct Order : Order<I - 1> {};
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template<>
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struct Order<0> {};
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template<template<typename> class Unit>
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class PrintGenScatterHierarchy
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{
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template<typename Head, typename Tail>
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PrintGenScatterHierarchy(GenScatterHierarchy<Typelist<Head, Tail>, Unit> *a, Order<1>)
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{
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printf("%s\n", typeid(*a).name());
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GenScatterHierarchy<Head, Unit> *left = a;
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PrintGenScatterHierarchy<Unit> X1(left);
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GenScatterHierarchy<Tail, Unit> *right = a;
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PrintGenScatterHierarchy<Unit> X2(right);
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}
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template<typename T>
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PrintGenScatterHierarchy(GenScatterHierarchy<T, Unit> *a, Order<0>)
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{
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printf("%s\n", typeid(*a).name());
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Unit<T> *left = a;
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(void)left;
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printf("%s\n", typeid(*left).name());
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}
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PrintGenScatterHierarchy(GenScatterHierarchy<NullType, Unit> *a, Order<1>)
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{
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(void)a;
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printf("%s\n", typeid(*a).name());
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}
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public:
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template<typename T>
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explicit PrintGenScatterHierarchy(GenScatterHierarchy<T, Unit> *a)
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{
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PrintGenScatterHierarchy<Unit>(a, Order<1>());
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}
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};
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template<typename> class TestUnit {};
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template<int> struct A {};
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int
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main()
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{
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typedef TYPELIST_10(A<1>, A<2>, A<3>, A<4>, A<5>, A<6>, A<7>, A<8>, A<9>, A<10>) TestList_t;
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GenScatterHierarchy<TestList_t, TestUnit> TestGenScatterHierarchy;
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PrintGenScatterHierarchy<TestUnit> X(&TestGenScatterHierarchy);
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}
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