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symbol.cc
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symbol.cc
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/**
* @file symbol.cc
* @brief Symbol classes
*
* This module contains definitions and services that implement an
* optimized storage for expressions. Expressions are stored in a
* Directed Acyclic Graph (DAG) for data sharing.
*
* Copyright (C) 2012 Marco Pensallorto < marco AT pensallorto DOT gmail DOT com >
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
**/
#include <model.hh>
#include <type_exceptions.hh>
void Model::add_module(Expr_ptr name, IModule_ptr module)
{
DEBUG << "Added module: '" << name << "'" << endl;
f_modules.insert( make_pair<Expr_ptr, IModule_ptr> (name, module));
}
bool ISymbol::is_variable(void) const
{
return NULL != dynamic_cast <const IVariable_ptr>
(const_cast <const ISymbol_ptr> (this));
}
IVariable& ISymbol::as_variable(void) const
{
IVariable_ptr res = dynamic_cast <const IVariable_ptr>
(const_cast <const ISymbol_ptr> (this));
assert (res);
return (*res);
}
bool ISymbol::is_temporary(void) const
{
return NULL != dynamic_cast <const ITemporary_ptr>
(const_cast <const ISymbol_ptr> (this));
}
ITemporary& ISymbol::as_temporary(void) const
{
ITemporary_ptr res = dynamic_cast <const ITemporary_ptr>
(const_cast <const ISymbol_ptr> (this));
assert (res);
return (*res);
}
bool ISymbol::is_define(void) const
{
return NULL != dynamic_cast <const IDefine_ptr>
(const_cast <const ISymbol_ptr> (this));
}
IDefine& ISymbol::as_define(void) const
{
IDefine_ptr res = dynamic_cast <const IDefine_ptr>
(const_cast <const ISymbol_ptr> (this));
assert (res);
return (*res);
}
bool ISymbol::is_const() const
{
return NULL != dynamic_cast <const IConstant_ptr>
(const_cast <const ISymbol_ptr> (this));
}
IConstant& ISymbol::as_const(void) const
{
IConstant_ptr res = dynamic_cast <const IConstant_ptr>
(const_cast <const ISymbol_ptr> (this));
assert (res);
return (*res);
}
ostream& operator<<(ostream& os, Module& module)
{ return os << module.expr(); }
ostream& operator<<(ostream& os, AnalyzerException& ae)
{ return os << ae.what(); }
//
Module::Module(const Expr_ptr name)
: f_name(name)
, f_localConsts()
, f_localVars()
, f_localDefs()
, f_init()
, f_trans()
{}
void Module::add_localVar(Expr_ptr name, IVariable_ptr var)
{
DEBUG << "Module " << (*this)
<< ", added local var " << var << endl;
f_localVars.insert(make_pair<FQExpr,
IVariable_ptr>(FQExpr(expr(), name), var));
}
void Module::add_localDef(Expr_ptr name, IDefine_ptr body)
{
DEBUG << "Module " << (*this)
<< ", added local def " << name << endl;
f_localDefs.insert(make_pair<FQExpr,
IDefine_ptr>(FQExpr(expr(), name), body));
}
void Module::add_localConst(Expr_ptr name, IConstant_ptr k)
{
DEBUG << "Module " << (*this)
<< ", added local const " << name << endl;
f_localConsts.insert(make_pair<FQExpr,
IConstant_ptr>(FQExpr(expr(), name), k));
}
void Module::add_init(Expr_ptr expr)
{
DEBUG << "Module " << (*this)
<< ", added INIT " << expr << endl;
f_init.push_back(expr);
}
void Module::add_trans(Expr_ptr expr)
{
DEBUG << "Module " << (*this)
<< ", added TRANS " << expr << endl;
f_trans.push_back(expr);
}
Model::Model()
: f_modules()
{
DEBUG << "Initialized Model instance @" << this << endl;
}
Model::~Model()
{
// TODO: free memory for symbols... (they've been allocated using new)
}
SymbIter::SymbIter(IModel& model, Expr_ptr formula)
: f_model(model)
, f_formula(formula)
{
assert( !f_formula ); // TODO implement COI
/* Fetch modules from model */
const Modules& modules = f_model.modules();
for (Modules::const_iterator mi = modules.begin();
mi != modules.end(); ++ mi) {
IModule& module = * (*mi).second;
{ /* defines */
Defines defs = module.get_localDefs();
for (Defines::const_iterator di = defs.begin();
di != defs.end(); ++ di) {
IDefine_ptr def = (*di).second;
f_symbols.push_back(def);
}
}
{ /* variables */
Variables vars = module.get_localVars();
for (Variables::const_iterator vi = vars.begin();
vi != vars.end(); ++ vi) {
IVariable_ptr var = (*vi).second;
f_symbols.push_back(var);
}
}
}
f_iter = f_symbols.begin();
}
SymbIter::~SymbIter()
{
}