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// Copyright 2019 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "DolphinQt/Debugger/PatchInstructionDialog.h"
#include <QDialogButtonBox>
#include <QLabel>
#include <QLineEdit>
#include <QPushButton>
#include <QVBoxLayout>
#include "Common/Assembler/GekkoAssembler.h"
#include "Common/GekkoDisassembler.h"
#include "Common/Swap.h"
PatchInstructionDialog::PatchInstructionDialog(QWidget* parent, u32 address, u32 value)
: QDialog(parent), m_address(address)
{
setWindowModality(Qt::WindowModal);
setWindowTitle(tr("Instruction"));
CreateWidgets();
ConnectWidgets();
m_input_edit->setText(QStringLiteral("%1").arg(value, 8, 16, QLatin1Char('0')));
}
void PatchInstructionDialog::CreateWidgets()
{
auto* layout = new QVBoxLayout;
m_input_edit = new QLineEdit;
m_preview_label = new QLabel;
m_button_box = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
layout->addWidget(new QLabel(tr("New instruction:")));
layout->addWidget(m_input_edit);
layout->addWidget(m_preview_label);
layout->addWidget(m_button_box);
setLayout(layout);
}
void PatchInstructionDialog::ConnectWidgets()
{
connect(m_button_box, &QDialogButtonBox::accepted, this, &QDialog::accept);
connect(m_button_box, &QDialogButtonBox::rejected, this, &QDialog::reject);
connect(m_input_edit, &QLineEdit::textChanged, this, &PatchInstructionDialog::OnEditChanged);
}
void PatchInstructionDialog::OnEditChanged()
{
const QString input = m_input_edit->text();
bool legal = false;
bool is_hex = false;
QString preview = QStringLiteral("(ill)\t---");
const u32 hex_code = input.toUInt(&is_hex, 16);
if (is_hex)
{
legal = true;
m_code = hex_code;
preview = QString::fromStdString(Common::GekkoDisassembler::Disassemble(hex_code, m_address));
}
else // Try to parse as a single instruction
{
const auto asm_result = Common::GekkoAssembler::Assemble(input.toStdString(), m_address);
if (!Common::GekkoAssembler::IsFailure(asm_result))
{
const auto& blocks = Common::GekkoAssembler::GetT(asm_result);
if (!blocks.empty())
{
legal = true;
m_code = Common::swap32(blocks[0].instructions.data());
preview = QStringLiteral("%1").arg(m_code, 8, 16, QLatin1Char('0'));
}
}
}
m_button_box->button(QDialogButtonBox::Ok)->setEnabled(legal);
m_preview_label->setText(tr("Instruction: %1").arg(preview));
}
u32 PatchInstructionDialog::GetCode() const
{
return m_code;
}
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