1/* Copyright (c) 2013-2016 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#include "DebuggerConsoleController.h"
  7
  8#include "GameController.h"
  9
 10#include <QMutexLocker>
 11
 12#include <mgba/internal/debugger/cli-debugger.h>
 13
 14using namespace QGBA;
 15
 16DebuggerConsoleController::DebuggerConsoleController(GameController* controller, QObject* parent)
 17	: DebuggerController(controller, &m_cliDebugger.d, parent)
 18{
 19	m_backend.d.printf = printf;
 20	m_backend.d.init = init;
 21	m_backend.d.deinit = deinit;
 22	m_backend.d.readline = readLine;
 23	m_backend.d.lineAppend = lineAppend;
 24	m_backend.d.historyLast = historyLast;
 25	m_backend.d.historyAppend = historyAppend;
 26	m_backend.self = this;
 27
 28	CLIDebuggerCreate(&m_cliDebugger);
 29	CLIDebuggerAttachBackend(&m_cliDebugger, &m_backend.d);
 30}
 31
 32void DebuggerConsoleController::enterLine(const QString& line) {
 33	QMutexLocker lock(&m_mutex);
 34	m_lines.append(line);
 35	if (m_cliDebugger.d.state == DEBUGGER_RUNNING) {
 36		mDebuggerEnter(&m_cliDebugger.d, DEBUGGER_ENTER_MANUAL, nullptr);
 37	}
 38	m_cond.wakeOne();
 39}
 40
 41void DebuggerConsoleController::detach() {
 42	m_lines.append(QString());
 43	m_cond.wakeOne();
 44	DebuggerController::detach();
 45}
 46
 47void DebuggerConsoleController::attachInternal() {
 48	m_history.clear();
 49	mCore* core = m_gameController->thread()->core;
 50	CLIDebuggerAttachBackend(&m_cliDebugger, &m_backend.d);
 51	CLIDebuggerAttachSystem(&m_cliDebugger, core->cliDebuggerSystem(core));
 52}
 53
 54void DebuggerConsoleController::printf(struct CLIDebuggerBackend* be, const char* fmt, ...) {
 55	Backend* consoleBe = reinterpret_cast<Backend*>(be);
 56	DebuggerConsoleController* self = consoleBe->self;
 57	va_list args;
 58	va_start(args, fmt);
 59	self->log(QString().vsprintf(fmt, args));
 60	va_end(args);
 61}
 62
 63void DebuggerConsoleController::init(struct CLIDebuggerBackend* be) {
 64	Backend* consoleBe = reinterpret_cast<Backend*>(be);
 65	DebuggerConsoleController* self = consoleBe->self;
 66}
 67
 68void DebuggerConsoleController::deinit(struct CLIDebuggerBackend* be) {
 69	Backend* consoleBe = reinterpret_cast<Backend*>(be);
 70	DebuggerConsoleController* self = consoleBe->self;
 71	self->m_lines.append(QString());
 72	self->m_cond.wakeOne();
 73}
 74
 75const char* DebuggerConsoleController::readLine(struct CLIDebuggerBackend* be, size_t* len) {
 76	Backend* consoleBe = reinterpret_cast<Backend*>(be);
 77	DebuggerConsoleController* self = consoleBe->self;
 78	GameController::Interrupter interrupter(self->m_gameController, true);
 79	QMutexLocker lock(&self->m_mutex);
 80	while (self->m_lines.isEmpty()) {
 81		self->m_cond.wait(&self->m_mutex);
 82	}
 83	QString last = self->m_lines.takeFirst();
 84	if (last.isNull()) {
 85		return nullptr;
 86	}
 87	self->m_last = last.toUtf8();
 88	*len = self->m_last.size();
 89	return self->m_last.constData();
 90
 91}
 92
 93void DebuggerConsoleController::lineAppend(struct CLIDebuggerBackend* be, const char* line) {
 94	Backend* consoleBe = reinterpret_cast<Backend*>(be);
 95	DebuggerConsoleController* self = consoleBe->self;
 96	self->lineAppend(QString::fromUtf8(line));
 97}
 98
 99const char* DebuggerConsoleController::historyLast(struct CLIDebuggerBackend* be, size_t* len) {
100	Backend* consoleBe = reinterpret_cast<Backend*>(be);
101	DebuggerConsoleController* self = consoleBe->self;
102	GameController::Interrupter interrupter(self->m_gameController, true);
103	QMutexLocker lock(&self->m_mutex);
104	if (self->m_history.isEmpty()) {
105		return "i";
106	}
107	self->m_last = self->m_history.last().toUtf8();
108	return self->m_last.constData();
109}
110
111void DebuggerConsoleController::historyAppend(struct CLIDebuggerBackend* be, const char* line) {
112	Backend* consoleBe = reinterpret_cast<Backend*>(be);
113	DebuggerConsoleController* self = consoleBe->self;
114	GameController::Interrupter interrupter(self->m_gameController, true);
115	QMutexLocker lock(&self->m_mutex);
116	self->m_history.append(QString::fromUtf8(line));
117}