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Merge branch 'master' of https://github.com/Z3Prover/z3

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This commit is contained in:
Nikolaj Bjorner 2017-08-18 14:57:54 -07:00
commit a8e7974011
13 changed files with 207 additions and 99 deletions
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5
src/util/array_map.h
View file

@ -63,10 +63,7 @@ class array_map {
}
void really_flush() {
typename vector<optional<entry> >::iterator it = m_map.begin();
typename vector<optional<entry> >::iterator end = m_map.end();
for (; it != end; ++it) {
optional<entry> & e = *it;
for (optional<entry> & e : m_map) {
if (e) {
m_plugin.del_eh(e->m_key, e->m_data);
e.set_invalid();

21
src/util/optional.h
View file

@ -21,26 +21,27 @@ Revision History:
#ifndef OPTIONAL_H_
#define OPTIONAL_H_
template<typename T>
template<class T>
class optional {
char m_obj[sizeof(T)];
T* m_obj;
char m_initialized;
void construct(const T & val) {
m_initialized = 1;
new (reinterpret_cast<void *>(m_obj)) T(val);
m_obj = alloc(T, val);
}
void destroy() {
if (m_initialized == 1) {
reinterpret_cast<T *>(m_obj)->~T();
dealloc(m_obj);
m_obj = 0;
}
m_initialized = 0;
}
public:
optional():
m_initialized(0) {}
m_obj(0), m_initialized(0) {}
explicit optional(const T & val) {
construct(val);
@ -65,7 +66,7 @@ public:
T * get() const {
if (m_initialized == 1) {
return reinterpret_cast<T *>(m_obj);
return m_obj;
}
else {
return 0;
@ -80,22 +81,22 @@ public:
T * operator->() {
SASSERT(m_initialized==1);
return reinterpret_cast<T *>(m_obj);
return m_obj;
}
T const * operator->() const {
SASSERT(m_initialized==1);
return reinterpret_cast<T const *>(m_obj);
return m_obj;
}
const T & operator*() const {
SASSERT(m_initialized==1);
return *reinterpret_cast<T const*>(m_obj);
return *m_obj;
}
T & operator*() {
SASSERT(m_initialized==1);
return *reinterpret_cast<T *>(m_obj);
return *m_obj;
}
optional & operator=(const T & val) {