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resurrecting assertion_stack

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-11-01 12:15:45 -07:00
parent 4c98b567e1
commit f1c9c9b7cd
2 changed files with 0 additions and 0 deletions

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@ -1,184 +0,0 @@
/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
macro_substitution.cpp
Abstract:
Mapping from func_decl to quantifiers of the form
Forall X. f(X) = T[X]
Forall X. f(X) iff C[X]
Author:
Leonardo (leonardo) 2012-02-17
Notes:
--*/
#include"macro_substitution.h"
#include"ref_util.h"
typedef obj_map<func_decl, proof*> func_decl2proof;
typedef obj_map<func_decl, expr_dependency*> func_decl2expr_dependency;
void macro_substitution::init() {
if (proofs_enabled())
m_decl2macro_pr = alloc(func_decl2proof);
if (unsat_core_enabled())
m_decl2macro_dep = alloc(func_decl2expr_dependency);
}
macro_substitution::macro_substitution(ast_manager & m):
m_manager(m),
m_cores_enabled(false),
m_proofs_enabled(m.proofs_enabled()) {
init();
}
macro_substitution::macro_substitution(ast_manager & m, bool cores_enabled):
m_manager(m),
m_cores_enabled(cores_enabled),
m_proofs_enabled(m.proofs_enabled()) {
init();
}
macro_substitution::macro_substitution(ast_manager & m, bool cores_enabled, bool proofs_enabled):
m_manager(m),
m_cores_enabled(cores_enabled),
m_proofs_enabled(proofs_enabled) {
SASSERT(!proofs_enabled || m.proofs_enabled());
init();
}
macro_substitution::~macro_substitution() {
reset();
}
void macro_substitution::reset() {
dec_ref_map_key_values(m_manager, m_decl2macro);
if (proofs_enabled())
dec_ref_map_values(m_manager, *m_decl2macro_pr);
if (unsat_core_enabled())
dec_ref_map_values(m_manager, *m_decl2macro_dep);
}
void macro_substitution::cleanup() {
reset();
m_decl2macro.finalize();
if (proofs_enabled())
m_decl2macro_pr->finalize();
if (unsat_core_enabled())
m_decl2macro_dep->finalize();
}
void macro_substitution::insert(func_decl * f, quantifier * q, proof * pr, expr_dependency * dep) {
DEBUG_CODE({
app * body = to_app(q->get_expr());
SASSERT(m_manager.is_eq(body) || m_manager.is_iff(body));
expr * lhs = body->get_arg(0);
expr * rhs = body->get_arg(1);
SASSERT(is_app_of(lhs, f) || is_app_of(rhs, f));
});
obj_map<func_decl, quantifier *>::obj_map_entry * entry = m_decl2macro.insert_if_not_there2(f, 0);
if (entry->get_data().m_value == 0) {
// new entry
m_manager.inc_ref(f);
m_manager.inc_ref(q);
entry->get_data().m_value = q;
if (proofs_enabled()) {
SASSERT(!m_decl2macro_pr->contains(f));
m_decl2macro_pr->insert(f, pr);
m_manager.inc_ref(pr);
}
if (unsat_core_enabled()) {
SASSERT(!m_decl2macro_dep->contains(f));
m_decl2macro_dep->insert(f, dep);
m_manager.inc_ref(dep);
}
}
else {
// replacing entry
m_manager.inc_ref(q);
m_manager.dec_ref(entry->get_data().m_value);
entry->get_data().m_value = q;
if (proofs_enabled()) {
obj_map<func_decl, proof *>::obj_map_entry * entry_pr = m_decl2macro_pr->find_core(f);
SASSERT(entry_pr != 0);
m_manager.inc_ref(pr);
m_manager.dec_ref(entry_pr->get_data().m_value);
entry_pr->get_data().m_value = pr;
}
if (unsat_core_enabled()) {
obj_map<func_decl, expr_dependency*>::obj_map_entry * entry_dep = m_decl2macro_dep->find_core(f);
SASSERT(entry_dep != 0);
m_manager.inc_ref(dep);
m_manager.dec_ref(entry_dep->get_data().m_value);
entry_dep->get_data().m_value = dep;
}
}
}
void macro_substitution::erase(func_decl * f) {
if (proofs_enabled()) {
proof * pr = 0;
if (m_decl2macro_pr->find(f, pr)) {
m_manager.dec_ref(pr);
m_decl2macro_pr->erase(f);
}
}
if (unsat_core_enabled()) {
expr_dependency * dep = 0;
if (m_decl2macro_dep->find(f, dep)) {
m_manager.dec_ref(dep);
m_decl2macro_dep->erase(f);
}
}
quantifier * q = 0;
if (m_decl2macro.find(f, q)) {
m_manager.dec_ref(f);
m_manager.dec_ref(q);
m_decl2macro.erase(f);
}
}
void macro_substitution::get_head_def(quantifier * q, func_decl * f, app * & head, expr * & def) {
app * body = to_app(q->get_expr());
SASSERT(m_manager.is_eq(body) || m_manager.is_iff(body));
expr * lhs = to_app(body)->get_arg(0);
expr * rhs = to_app(body)->get_arg(1);
SASSERT(is_app_of(lhs, f) || is_app_of(rhs, f));
SASSERT(!is_app_of(lhs, f) || !is_app_of(rhs, f));
if (is_app_of(lhs, f)) {
head = to_app(lhs);
def = rhs;
}
else {
head = to_app(rhs);
def = lhs;
}
}
bool macro_substitution::find(func_decl * f, quantifier * & q, proof * & pr) {
if (m_decl2macro.find(f, q)) {
if (proofs_enabled())
m_decl2macro_pr->find(f, pr);
return true;
}
return false;
}
bool macro_substitution::find(func_decl * f, quantifier * & q, proof * & pr, expr_dependency * & dep) {
if (m_decl2macro.find(f, q)) {
if (proofs_enabled())
m_decl2macro_pr->find(f, pr);
if (unsat_core_enabled())
m_decl2macro_dep->find(f, dep);
return true;
}
return false;
}

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@ -1,59 +0,0 @@
/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
macro_substitution.h
Abstract:
Mapping from func_decl to quantifiers of the form
Forall X. f(X) = T[X]
Forall X. f(X) iff C[X]
Author:
Leonardo (leonardo) 2012-02-17
Notes:
--*/
#ifndef _MACRO_SUBSTITUTION_H_
#define _MACRO_SUBSTITUTION_H_
#include"ast.h"
class macro_substitution {
ast_manager & m_manager;
obj_map<func_decl, quantifier *> m_decl2macro;
scoped_ptr<obj_map<func_decl, proof *> > m_decl2macro_pr;
scoped_ptr<obj_map<func_decl, expr_dependency *> > m_decl2macro_dep;
unsigned m_cores_enabled:1;
unsigned m_proofs_enabled:1;
void init();
public:
macro_substitution(ast_manager & m);
macro_substitution(ast_manager & m, bool cores_enabled);
macro_substitution(ast_manager & m, bool cores_enabled, bool proofs_enabled);
~macro_substitution();
ast_manager & m() const { return m_manager; }
bool proofs_enabled() const { return m_proofs_enabled; }
bool unsat_core_enabled() const { return m_cores_enabled; }
bool empty() const { return m_decl2macro.empty(); }
void insert(func_decl * f, quantifier * m, proof * pr, expr_dependency * dep = 0);
void erase(func_decl * f);
bool contains(func_decl * f) { return m_decl2macro.contains(f); }
bool find(func_decl * f, quantifier * & q, proof * & pr);
bool find(func_decl * f, quantifier * & q, proof * & pr, expr_dependency * & dep);
void get_head_def(quantifier * q, func_decl * f, app * & head, expr * & def);
void reset();
void cleanup();
};
#endif