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// SPDX-License-Identifier: GPL-2.0+
/*******************************************************************************
* QtMips - MIPS 32-bit Architecture Subset Simulator
*
* Implemented to support following courses:
*
* B35APO - Computer Architectures
* https://cw.fel.cvut.cz/wiki/courses/b35apo
*
* B4M35PAP - Advanced Computer Architectures
* https://cw.fel.cvut.cz/wiki/courses/b4m35pap/start
*
* Copyright (c) 2017-2019 Karel Koci<cynerd@email.cz>
* Copyright (c) 2019 Pavel Pisa <pisa@cmp.felk.cvut.cz>
*
* Faculty of Electrical Engineering (http://www.fel.cvut.cz)
* Czech Technical University (http://www.cvut.cz/)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
******************************************************************************/
#include "symboltable.h"
using namespace machine;
SymbolTableEntry::SymbolTableEntry(QString name, std::uint32_t value,
std::uint32_t size, unsigned char info, unsigned char other) {
this->name = name;
this->value = value;
this->size = size;
this->info = info;
this->other = other;
}
SymbolTable::SymbolTable(QObject *parent) : QObject(parent),
map_value_to_symbol(), map_name_to_symbol() {
}
SymbolTable::~SymbolTable() {
while (!map_value_to_symbol.isEmpty()) {
SymbolTableEntry *p_ste = map_value_to_symbol.first();
p_ste = map_value_to_symbol.take(p_ste->value);
map_name_to_symbol.remove(p_ste->name);
delete p_ste;
}
}
void SymbolTable::add_symbol(QString name, std::uint32_t value, std::uint32_t size,
unsigned char info, unsigned char other) {
SymbolTableEntry *p_ste = new SymbolTableEntry(name, value, size, info, other);
map_value_to_symbol.insert(value, p_ste);
map_name_to_symbol.insert(name, p_ste);
}
void SymbolTable::remove_symbol(QString name) {
SymbolTableEntry *p_ste = map_name_to_symbol.value(name);
if (p_ste == nullptr)
return;
map_name_to_symbol.remove(name);
map_value_to_symbol.remove(p_ste->value, p_ste);
delete p_ste;
}
void SymbolTable::set_symbol(QString name, std::uint32_t value, std::uint32_t size,
unsigned char info, unsigned char other) {
remove_symbol(name);
add_symbol(name, value, size, info, other);
}
bool SymbolTable::name_to_value(std::uint32_t &value, QString name) const {
SymbolTableEntry *p_ste = map_name_to_symbol.value(name);
if (p_ste == nullptr) {
value = 0;
return false;
}
value = p_ste->value;
return true;
}
bool SymbolTable::value_to_name(QString &name, std::uint32_t value) const {
SymbolTableEntry *p_ste = map_value_to_symbol.value(value);
if (p_ste == nullptr) {
name = "";
return false;
}
name = p_ste->name;
return true;
}
QStringList *SymbolTable::names() const {
QStringList *l = new QStringList();
auto i = map_name_to_symbol.begin();
while (i != map_name_to_symbol.end()) {
l->append(i.value()->name);
i++;
}
return l;
}
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