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add new scoped vector invariants

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Chuyue Sun 2024-07-23 21:49:34 +00:00
parent d0fa0113ae
commit 079db69b93
1 changed files with 41 additions and 3 deletions
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44
src/util/scoped_vector.h
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@ -176,8 +176,46 @@ private:
}
bool invariant() const {
return
m_size <= m_elems.size() &&
m_elems_start <= m_elems.size();
if (!(m_size <= m_elems.size() && m_elems_start <= m_elems.size()))
return false;
// Check that source and destination trails have the same length.
if (m_src.size() != m_dst.size())
return false;
// The size of m_src, m_dst, and m_src_lim should be consistent with the scope stack.
if (m_src_lim.size() != m_sizes.size() || m_src.size() != m_dst.size())
return false;
// m_elems_lim stores the past sizes of m_elems for each scope. Each element in m_elems_lim should be
// within bounds and in non-decreasing order.
for (unsigned i = 1; i < m_elems_lim.size(); ++i) {
if (m_elems_lim[i - 1] > m_elems_lim[i]) return false;
}
// m_sizes tracks the size of the vector at each scope level.
// Each element in m_sizes should be non-decreasing and within the size of m_elems.
for (unsigned i = 1; i < m_sizes.size(); ++i) {
if (m_sizes[i - 1] > m_sizes[i])
return false;
}
// The m_src and m_dst vectors should have the same size and should contain valid indices.
if (m_src.size() != m_dst.size()) return false;
for (unsigned i = 0; i < m_src.size(); ++i) {
if (m_src[i] >= m_index.size() || m_dst[i] >= m_elems.size()) return false;
}
// The size of m_src_lim should be less than or equal to the size of m_sizes and store valid indices.
if (m_src_lim.size() > m_sizes.size()) return false;
for (unsigned elem : m_src_lim) {
if (elem > m_src.size()) return false;
}
return true;
}
};