4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
169 lines
4.9 KiB
C++
169 lines
4.9 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <forward_list>
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// void splice_after(const_iterator p, forward_list&& x,
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// const_iterator first, const_iterator last);
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#include <forward_list>
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#include <cassert>
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#include <iterator>
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#include "../../../min_allocator.h"
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typedef int T;
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const T t1[] = {0, 1, 2, 3, 4, 5, 6, 7};
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const T t2[] = {10, 11, 12, 13, 14, 15};
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const int size_t1 = std::end(t1) - std::begin(t1);
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const int size_t2 = std::end(t2) - std::begin(t2);
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template <class C>
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void
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testd(const C& c, int p, int f, int l)
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{
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typename C::const_iterator i = c.begin();
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int n1 = 0;
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for (; n1 < p; ++n1, ++i)
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assert(*i == t1[n1]);
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for (int n2 = f; n2 < l-1; ++n2, ++i)
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assert(*i == t2[n2]);
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for (; n1 < size_t1; ++n1, ++i)
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assert(*i == t1[n1]);
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assert(distance(c.begin(), c.end()) == size_t1 + (l > f+1 ? l-1-f : 0));
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}
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template <class C>
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void
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tests(const C& c, int p, int f, int l)
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{
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typename C::const_iterator i = c.begin();
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int n = 0;
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int d = l > f+1 ? l-1-f : 0;
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if (d == 0 || p == f)
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{
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for (n = 0; n < size_t1; ++n, ++i)
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assert(*i == t1[n]);
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}
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else if (p < f)
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{
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for (n = 0; n < p; ++n, ++i)
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assert(*i == t1[n]);
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for (n = f; n < l-1; ++n, ++i)
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assert(*i == t1[n]);
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for (n = p; n < f; ++n, ++i)
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assert(*i == t1[n]);
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for (n = l-1; n < size_t1; ++n, ++i)
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assert(*i == t1[n]);
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}
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else // p > f
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{
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for (n = 0; n < f; ++n, ++i)
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assert(*i == t1[n]);
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for (n = l-1; n < p; ++n, ++i)
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assert(*i == t1[n]);
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for (n = f; n < l-1; ++n, ++i)
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assert(*i == t1[n]);
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for (n = p; n < size_t1; ++n, ++i)
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assert(*i == t1[n]);
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}
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assert(distance(c.begin(), c.end()) == size_t1);
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}
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int main()
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{
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{
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// splicing different containers
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typedef std::forward_list<T> C;
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for (int f = 0; f <= size_t2+1; ++f)
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{
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for (int l = f; l <= size_t2+1; ++l)
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{
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for (int p = 0; p <= size_t1; ++p)
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{
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C c1(std::begin(t1), std::end(t1));
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C c2(std::begin(t2), std::end(t2));
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c1.splice_after(next(c1.cbefore_begin(), p), std::move(c2),
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next(c2.cbefore_begin(), f), next(c2.cbefore_begin(), l));
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testd(c1, p, f, l);
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}
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}
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}
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// splicing within same container
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for (int f = 0; f <= size_t1+1; ++f)
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{
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for (int l = f; l <= size_t1; ++l)
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{
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for (int p = 0; p <= f; ++p)
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{
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C c1(std::begin(t1), std::end(t1));
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c1.splice_after(next(c1.cbefore_begin(), p), std::move(c1),
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next(c1.cbefore_begin(), f), next(c1.cbefore_begin(), l));
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tests(c1, p, f, l);
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}
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for (int p = l; p <= size_t1; ++p)
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{
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C c1(std::begin(t1), std::end(t1));
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c1.splice_after(next(c1.cbefore_begin(), p), std::move(c1),
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next(c1.cbefore_begin(), f), next(c1.cbefore_begin(), l));
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tests(c1, p, f, l);
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}
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}
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}
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}
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#if __cplusplus >= 201103L
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{
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// splicing different containers
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typedef std::forward_list<T, min_allocator<T>> C;
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for (int f = 0; f <= size_t2+1; ++f)
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{
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for (int l = f; l <= size_t2+1; ++l)
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{
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for (int p = 0; p <= size_t1; ++p)
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{
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C c1(std::begin(t1), std::end(t1));
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C c2(std::begin(t2), std::end(t2));
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c1.splice_after(next(c1.cbefore_begin(), p), std::move(c2),
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next(c2.cbefore_begin(), f), next(c2.cbefore_begin(), l));
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testd(c1, p, f, l);
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}
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}
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}
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// splicing within same container
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for (int f = 0; f <= size_t1+1; ++f)
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{
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for (int l = f; l <= size_t1; ++l)
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{
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for (int p = 0; p <= f; ++p)
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{
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C c1(std::begin(t1), std::end(t1));
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c1.splice_after(next(c1.cbefore_begin(), p), std::move(c1),
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next(c1.cbefore_begin(), f), next(c1.cbefore_begin(), l));
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tests(c1, p, f, l);
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}
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for (int p = l; p <= size_t1; ++p)
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{
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C c1(std::begin(t1), std::end(t1));
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c1.splice_after(next(c1.cbefore_begin(), p), std::move(c1),
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next(c1.cbefore_begin(), f), next(c1.cbefore_begin(), l));
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tests(c1, p, f, l);
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}
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}
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}
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}
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#endif
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}
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