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Revert "fix crashes in elim-uncnstr2"

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This reverts commit a302c2f15e.
This commit is contained in:
Nuno Lopes 2022-12-11 21:37:25 +00:00
parent 6a1b3f7344
commit 2d43ccc4c6
1 changed files with 9 additions and 6 deletions
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15
src/ast/simplifiers/dependent_expr_state.h
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@ -116,17 +116,20 @@ protected:
unsigned qtail() const { return m_fmls.qtail(); }
struct iterator {
dependent_expr_simplifier& s;
unsigned m_index, m_end;
iterator(dependent_expr_simplifier& s, unsigned i, unsigned end) : s(s), m_index(i), m_end(end) {}
bool operator!=(iterator const& other) const { return m_index != other.m_index; }
iterator& operator++() { if (!s.m.inc() || s.m_fmls.inconsistent()) m_index = m_end; else ++m_index; return *this; }
unsigned m_index = 0;
bool at_end = false;
unsigned index() const { return at_end ? s.qtail() : std::min(m_index, s.qtail()); }
iterator(dependent_expr_simplifier& s, unsigned i) : s(s), m_index(i), at_end(i == s.qtail()) {}
bool operator==(iterator const& other) const { return index() == other.index(); }
bool operator!=(iterator const& other) const { return !(*this == other); }
iterator& operator++() { if (!s.m.inc() || s.m_fmls.inconsistent()) at_end = true; else ++m_index; return *this; }
unsigned operator*() const { return m_index; }
};
struct index_set {
dependent_expr_simplifier& s;
iterator begin() { return iterator(s, s.qhead(), s.qtail()); }
iterator end() { return iterator(s, s.qtail(), s.qtail()); }
iterator begin() { return iterator(s, s.qhead()); }
iterator end() { return iterator(s, s.qtail()); }
index_set(dependent_expr_simplifier& s) : s(s) {}
};