87 lines
2 KiB
C++
87 lines
2 KiB
C++
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/* This file is part of the sirit project.
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* Copyright (c) 2018 ReinUsesLisp
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* This software may be used and distributed according to the terms of the GNU
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* General Public License version 2 or any later version.
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*/
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#include <cassert>
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#include "operand.h"
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namespace Sirit {
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Operand::Operand() {}
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Operand::~Operand() = default;
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void Operand::Fetch(Stream& stream) const {
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assert(!"Fetching unimplemented operand");
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}
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u16 Operand::GetWordCount() const {
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assert(!"Fetching unimplemented operand");
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return 0;
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}
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bool Operand::operator==(const Operand& other) const {
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return false;
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}
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bool Operand::operator!=(const Operand& other) const {
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return !(*this == other);
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}
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OperandType Operand::GetType() const {
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return operand_type;
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}
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LiteralInteger::LiteralInteger(u32 integer_)
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: integer(integer_) {
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operand_type = OperandType::Integer;
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}
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LiteralInteger::~LiteralInteger() = default;
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void LiteralInteger::Fetch(Stream& stream) const {
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stream.Write(integer);
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}
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u16 LiteralInteger::GetWordCount() const {
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return 1;
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}
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bool LiteralInteger::operator==(const Operand& other) const {
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if (operand_type == other.GetType()) {
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return dynamic_cast<const LiteralInteger&>(other).integer == integer;
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}
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return false;
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}
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LiteralString::LiteralString(const std::string& string_)
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: string(string_) {
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operand_type = OperandType::String;
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}
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LiteralString::~LiteralString() = default;
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void LiteralString::Fetch(Stream& stream) const {
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for (std::size_t i{}; i < string.size(); i++) {
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stream.Write(static_cast<u8>(string[i]));
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}
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for (std::size_t i{}; i < 4 - (string.size() % 4); i++) {
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stream.Write(static_cast<u8>(0));
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}
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}
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u16 LiteralString::GetWordCount() const {
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return static_cast<u16>(string.size() / 4 + 1);
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}
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bool LiteralString::operator==(const Operand& other) const {
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if (operand_type == other.GetType()) {
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return dynamic_cast<const LiteralString&>(other).string == string;
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}
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return false;
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}
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} // namespace Sirit
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