mirror of
https://github.com/RetroDECK/Duckstation.git
synced 2024-12-05 03:55:39 +00:00
201 lines
5.4 KiB
C++
201 lines
5.4 KiB
C++
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#ifndef C4_YML_DETAIL_CHECKS_HPP_
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#define C4_YML_DETAIL_CHECKS_HPP_
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#include "c4/yml/tree.hpp"
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#ifdef __clang__
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# pragma clang diagnostic push
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#elif defined(__GNUC__)
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# pragma GCC diagnostic push
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# pragma GCC diagnostic ignored "-Wtype-limits" // error: comparison of unsigned expression >= 0 is always true
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#elif defined(_MSC_VER)
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# pragma warning(push)
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# pragma warning(disable: 4296/*expression is always 'boolean_value'*/)
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#endif
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namespace c4 {
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namespace yml {
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void check_invariants(Tree const& t, size_t node=NONE);
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void check_free_list(Tree const& t);
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void check_arena(Tree const& t);
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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inline void check_invariants(Tree const& t, size_t node)
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{
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if(node == NONE)
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{
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if(t.size() == 0) return;
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node = t.root_id();
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}
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auto const& n = *t._p(node);
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#ifdef RYML_DBG
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if(n.m_first_child != NONE || n.m_last_child != NONE)
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{
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printf("check(%zu): fc=%zu lc=%zu\n", node, n.m_first_child, n.m_last_child);
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}
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else
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{
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printf("check(%zu)\n", node);
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}
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#endif
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C4_CHECK(n.m_parent != node);
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if(n.m_parent == NONE)
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{
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C4_CHECK(t.is_root(node));
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}
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else //if(n.m_parent != NONE)
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{
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C4_CHECK(t.has_child(n.m_parent, node));
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auto const& p = *t._p(n.m_parent);
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if(n.m_prev_sibling == NONE)
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{
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C4_CHECK(p.m_first_child == node);
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C4_CHECK(t.first_sibling(node) == node);
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}
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else
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{
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C4_CHECK(p.m_first_child != node);
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C4_CHECK(t.first_sibling(node) != node);
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}
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if(n.m_next_sibling == NONE)
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{
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C4_CHECK(p.m_last_child == node);
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C4_CHECK(t.last_sibling(node) == node);
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}
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else
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{
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C4_CHECK(p.m_last_child != node);
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C4_CHECK(t.last_sibling(node) != node);
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}
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}
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C4_CHECK(n.m_first_child != node);
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C4_CHECK(n.m_last_child != node);
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if(n.m_first_child != NONE || n.m_last_child != NONE)
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{
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C4_CHECK(n.m_first_child != NONE);
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C4_CHECK(n.m_last_child != NONE);
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}
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C4_CHECK(n.m_prev_sibling != node);
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C4_CHECK(n.m_next_sibling != node);
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if(n.m_prev_sibling != NONE)
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{
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C4_CHECK(t._p(n.m_prev_sibling)->m_next_sibling == node);
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C4_CHECK(t._p(n.m_prev_sibling)->m_prev_sibling != node);
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}
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if(n.m_next_sibling != NONE)
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{
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C4_CHECK(t._p(n.m_next_sibling)->m_prev_sibling == node);
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C4_CHECK(t._p(n.m_next_sibling)->m_next_sibling != node);
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}
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size_t count = 0;
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for(size_t i = n.m_first_child; i != NONE; i = t.next_sibling(i))
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{
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#ifdef RYML_DBG
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printf("check(%zu): descend to child[%zu]=%zu\n", node, count, i);
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#endif
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auto const& ch = *t._p(i);
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C4_CHECK(ch.m_parent == node);
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C4_CHECK(ch.m_next_sibling != i);
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++count;
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}
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C4_CHECK(count == t.num_children(node));
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if(n.m_prev_sibling == NONE && n.m_next_sibling == NONE)
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{
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if(n.m_parent != NONE)
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{
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C4_CHECK(t.num_children(n.m_parent) == 1);
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C4_CHECK(t.num_siblings(node) == 1);
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}
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}
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if(node == t.root_id())
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{
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C4_CHECK(t.size() == t.m_size);
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C4_CHECK(t.capacity() == t.m_cap);
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C4_CHECK(t.m_cap == t.m_size + t.slack());
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check_free_list(t);
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check_arena(t);
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}
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for(size_t i = t.first_child(node); i != NONE; i = t.next_sibling(i))
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{
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check_invariants(t, i);
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}
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}
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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inline void check_free_list(Tree const& t)
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{
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if(t.m_free_head == NONE)
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{
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C4_CHECK(t.m_free_tail == t.m_free_head);
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return;
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}
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C4_CHECK(t.m_free_head >= 0 && t.m_free_head < t.m_cap);
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C4_CHECK(t.m_free_tail >= 0 && t.m_free_tail < t.m_cap);
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auto const& head = *t._p(t.m_free_head);
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//auto const& tail = *t._p(t.m_free_tail);
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//C4_CHECK(head.m_prev_sibling == NONE);
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//C4_CHECK(tail.m_next_sibling == NONE);
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size_t count = 0;
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for(size_t i = t.m_free_head, prev = NONE; i != NONE; i = t._p(i)->m_next_sibling)
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{
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auto const& elm = *t._p(i);
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if(&elm != &head)
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{
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C4_CHECK(elm.m_prev_sibling == prev);
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}
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prev = i;
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++count;
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}
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C4_CHECK(count == t.slack());
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}
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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inline void check_arena(Tree const& t)
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{
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C4_CHECK(t.m_arena.len == 0 || (t.m_arena_pos >= 0 && t.m_arena_pos <= t.m_arena.len));
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C4_CHECK(t.arena_size() == t.m_arena_pos);
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C4_CHECK(t.arena_slack() + t.m_arena_pos == t.m_arena.len);
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}
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} /* namespace yml */
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} /* namespace c4 */
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#ifdef __clang__
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# pragma clang diagnostic pop
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#elif defined(__GNUC__)
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# pragma GCC diagnostic pop
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#elif defined(_MSC_VER)
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# pragma warning(pop)
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#endif
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#endif /* C4_YML_DETAIL_CHECKS_HPP_ */
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