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seq

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-12-20 09:43:56 +02:00
parent 99da56a786
commit 284fcc2c04
8 changed files with 334 additions and 49 deletions
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15
src/util/scoped_vector.h
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@ -46,7 +46,7 @@ public:
m_elems_lim.push_back(m_elems_start);
}
void pop_scopes(unsigned num_scopes) {
void pop_scope(unsigned num_scopes) {
if (num_scopes == 0) return;
unsigned new_size = m_sizes.size() - num_scopes;
unsigned src_lim = m_src_lim[new_size];
@ -72,6 +72,12 @@ public:
return m_elems[m_index[idx]];
}
// breaks abstraction, caller must ensure backtracking.
T& ref(unsigned idx) {
SASSERT(idx < m_size);
return m_elems[m_index[idx]];
}
void set(unsigned idx, T const& t) {
SASSERT(idx < m_size);
unsigned n = m_index[idx];
@ -102,6 +108,13 @@ public:
SASSERT(invariant());
}
void erase_and_swap(unsigned i) {
if (i + 1 < size()) {
set(i, m_elems[m_index[i]]);
}
pop_back();
}
unsigned size() const { return m_size; }
bool empty() const { return m_size == 0; }