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/********************* */
/*! \file record.cpp
** \verbatim
** Top contributors (to current version):
** Tim King, Morgan Deters, Paul Meng
** This file is part of the CVC4 project.
** Copyright (c) 2009-2017 by the authors listed in the file AUTHORS
** in the top-level source directory) and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief A class representing a record definition
**
** A class representing a record definition.
**/
#include "expr/record.h"
#include "base/cvc4_assert.h"
#include "base/output.h"
#include "expr/expr.h"
#include "expr/type.h"
namespace CVC4 {
static Record::FieldVector::const_iterator find(const Record::FieldVector& fields, std::string name){
for(Record::FieldVector::const_iterator i = fields.begin(), i_end = fields.end(); i != i_end; ++i){
if((*i).first == name) {
return i;
}
}
return fields.end();
}
Record::Record(const FieldVector& fields)
: d_fields(new FieldVector(fields))
{
Debug("record") << "making " << this << " " << d_fields << std::endl;
}
Record::Record(const Record& other)
: d_fields(new FieldVector(other.getFields()))
{
Debug("record") << "copy constructor " << this << " " << d_fields << std::endl;
}
Record::~Record() {
Debug("record") << "deleting " << this << " " << d_fields << std::endl;
delete d_fields;
}
Record& Record::operator=(const Record& r) {
Debug("record") << "setting " << this << " " << d_fields << std::endl;
Record::FieldVector& local = *d_fields;
local = r.getFields();
return *this;
}
const Record::FieldVector& Record::getFields() const {
return *d_fields;
}
bool Record::contains(const std::string& name) const {
return find(*d_fields, name) != d_fields->end();
}
size_t Record::getIndex(std::string name) const {
FieldVector::const_iterator i = find(*d_fields, name);
PrettyCheckArgument(i != d_fields->end(), name,
"requested field `%s' does not exist in record",
name.c_str());
return i - d_fields->begin();
}
size_t Record::getNumFields() const {
return d_fields->size();
}
std::ostream& operator<<(std::ostream& os, const Record& r) {
os << "[# ";
bool first = true;
const Record::FieldVector& fields = r.getFields();
for(Record::FieldVector::const_iterator i = fields.begin(),
i_end = fields.end(); i != i_end; ++i) {
if(!first) {
os << ", ";
}
os << (*i).first << ":" << (*i).second;
first = false;
}
os << " #]";
return os;
}
size_t RecordHashFunction::operator()(const Record& r) const {
size_t n = 0;
const Record::FieldVector& fields = r.getFields();
for(Record::FieldVector::const_iterator i = fields.begin(),
i_end = fields.end(); i != i_end; ++i) {
n = (n << 3) ^ TypeHashFunction()((*i).second);
}
return n;
}
std::ostream& operator<<(std::ostream& out, const RecordUpdate& t) {
return out << "[" << t.getField() << "]";
}
const std::pair<std::string, Type>& Record::operator[](size_t index) const {
PrettyCheckArgument(index < d_fields->size(), index,
"index out of bounds for record type");
return (*d_fields)[index];
}
bool Record::operator==(const Record& r) const {
return (*d_fields) == *(r.d_fields);
}
}/* CVC4 namespace */
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