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moved obj_equiv_class to ast

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This commit is contained in:
Arie Gurfinkel 2017-08-01 14:17:27 -04:00
parent 4d07fa5db3
commit 88a35119b9
12 changed files with 164 additions and 128 deletions
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60
src/util/trail.h
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@ -22,6 +22,7 @@ Revision History:
#include "util/obj_hashtable.h"
#include "util/region.h"
#include "util/obj_ref.h"
#include "util/vector.h"
template<typename Ctx>
class trail {
@ -35,16 +36,16 @@ template<typename Ctx, typename T>
class value_trail : public trail<Ctx> {
T & m_value;
T m_old_value;
public:
value_trail(T & value):
m_value(value),
m_old_value(value) {
}
virtual ~value_trail() {
}
virtual void undo(Ctx & ctx) {
m_value = m_old_value;
}
@ -57,10 +58,10 @@ public:
reset_flag_trail(bool & value):
m_value(value) {
}
virtual ~reset_flag_trail() {
}
virtual void undo(Ctx & ctx) {
m_value = false;
}
@ -74,7 +75,7 @@ public:
m_ptr(ptr) {
SASSERT(m_ptr == 0);
}
virtual void undo(Ctx & ctx) {
m_ptr = 0;
}
@ -98,8 +99,8 @@ public:
virtual void undo(Ctx & ctx) {
m_vector.shrink(m_old_size);
}
};
};
template<typename Ctx, typename T, bool CallDestructors=true>
class vector_value_trail : public trail<Ctx> {
vector<T, CallDestructors> & m_vector;
@ -111,10 +112,10 @@ public:
m_idx(idx),
m_old_value(v[idx]) {
}
virtual ~vector_value_trail() {
}
virtual void undo(Ctx & ctx) {
m_vector[m_idx] = m_old_value;
}
@ -150,7 +151,7 @@ public:
push_back_vector(V & v):
m_vector(v) {
}
virtual void undo(Ctx & ctx) {
m_vector.pop_back();
}
@ -165,15 +166,15 @@ public:
m_vector(v),
m_idx(idx) {
}
virtual ~set_vector_idx_trail() {
}
virtual void undo(Ctx & ctx) {
m_vector[m_idx] = 0;
}
};
template<typename Ctx, typename T, bool CallDestructors=true>
class pop_back_trail : public trail<Ctx> {
vector<T, CallDestructors> & m_vector;
@ -183,7 +184,7 @@ public:
m_vector(v),
m_value(m_vector.back()) {
}
virtual void undo(Ctx & ctx) {
m_vector.push_back(m_value);
}
@ -201,7 +202,7 @@ public:
m_index(index),
m_value(m_vector[index].back()) {
}
virtual void undo(Ctx & ctx) {
m_vector[m_index].push_back(m_value);
}
@ -216,7 +217,7 @@ public:
push_back_trail(vector<T, CallDestructors> & v):
m_vector(v) {
}
virtual void undo(Ctx & ctx) {
m_vector.pop_back();
}
@ -228,11 +229,11 @@ class push_back2_trail : public trail<Ctx> {
vector_t & m_vector;
unsigned m_index;
public:
push_back2_trail(vector_t & v, unsigned index) :
push_back2_trail(vector_t & v, unsigned index) :
m_vector(v),
m_index(index) {
}
virtual void undo(Ctx & ctx) {
m_vector[m_index].pop_back();
}
@ -249,12 +250,12 @@ public:
SASSERT(m_vector[m_idx] == false);
m_vector[m_idx] = true;
}
virtual void undo(Ctx & ctx) {
m_vector[m_idx] = false;
}
};
template<typename Ctx, typename T>
class new_obj_trail : public trail<Ctx> {
T * m_obj;
@ -262,7 +263,7 @@ public:
new_obj_trail(T * obj):
m_obj(obj) {
}
virtual void undo(Ctx & ctx) {
dealloc(m_obj);
}
@ -275,7 +276,7 @@ public:
obj_ref_trail(obj_ref<T,M>& obj):
m_obj(obj) {
}
virtual void undo(Ctx & ctx) {
m_obj.reset();
}
@ -300,7 +301,7 @@ class remove_obj_trail : public trail<Ctx> {
public:
remove_obj_trail(obj_hashtable<T>& t, T* o) : m_table(t), m_obj(o) {}
virtual ~remove_obj_trail() {}
virtual void undo(Ctx & ctx) { m_table.insert(m_obj); }
virtual void undo(Ctx & ctx) { m_table.insert(m_obj); }
};
@ -326,13 +327,13 @@ public:
trail_stack(Ctx & c):m_ctx(c) {}
~trail_stack() {}
region & get_region() { return m_region; }
void reset() {
pop_scope(m_scopes.size());
void reset() {
pop_scope(m_scopes.size());
// Undo trail objects stored at lvl 0 (avoid memory leaks if lvl 0 contains new_obj_trail objects).
undo_trail_stack(m_ctx, m_trail_stack, 0);
undo_trail_stack(m_ctx, m_trail_stack, 0);
}
void push_ptr(trail<Ctx> * t) { m_trail_stack.push_back(t); }
@ -357,4 +358,3 @@ public:
};
#endif /* TRAIL_H_ */