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 "engine.h"
  7
  8#include <mgba/core/scripting.h>
  9#include <mgba-util/string.h>
 10#include <mgba-util/vfs.h>
 11
 12#ifdef USE_DEBUGGERS
 13#include <mgba/debugger/debugger.h>
 14#endif
 15
 16#include "lib.h"
 17
 18static const char* mPythonScriptEngineName(struct mScriptEngine*);
 19static bool mPythonScriptEngineInit(struct mScriptEngine*, struct mScriptBridge*);
 20static void mPythonScriptEngineDeinit(struct mScriptEngine*);
 21static bool mPythonScriptEngineIsScript(struct mScriptEngine*, const char* name, struct VFile* vf);
 22static bool mPythonScriptEngineLoadScript(struct mScriptEngine*, const char* name, struct VFile* vf);
 23static void mPythonScriptEngineRun(struct mScriptEngine*);
 24
 25#ifdef USE_DEBUGGERS
 26static void mPythonScriptDebuggerEntered(struct mScriptEngine*, enum mDebuggerEntryReason, struct mDebuggerEntryInfo*);
 27#endif
 28
 29struct mPythonScriptEngine {
 30	struct mScriptEngine d;
 31	struct mScriptBridge* sb;
 32};
 33
 34struct mPythonScriptEngine* mPythonCreateScriptEngine(void) {
 35	struct mPythonScriptEngine* engine = malloc(sizeof(*engine));
 36	engine->d.name = mPythonScriptEngineName;
 37	engine->d.init = mPythonScriptEngineInit;
 38	engine->d.deinit = mPythonScriptEngineDeinit;
 39	engine->d.isScript = mPythonScriptEngineIsScript;
 40	engine->d.loadScript = mPythonScriptEngineLoadScript;
 41	engine->d.run = mPythonScriptEngineRun;
 42#ifdef USE_DEBUGGERS
 43	engine->d.debuggerEntered = mPythonScriptDebuggerEntered;
 44#endif
 45	engine->sb = NULL;
 46	return engine;
 47}
 48
 49void mPythonSetup(struct mScriptBridge* sb) {
 50	struct mPythonScriptEngine* se = mPythonCreateScriptEngine();
 51	mScriptBridgeInstallEngine(sb, &se->d);
 52}
 53
 54const char* mPythonScriptEngineName(struct mScriptEngine* se) {
 55	UNUSED(se);
 56	return "python";
 57}
 58
 59bool mPythonScriptEngineInit(struct mScriptEngine* se, struct mScriptBridge* sb) {
 60	struct mPythonScriptEngine* engine = (struct mPythonScriptEngine*) se;
 61	engine->sb = sb;
 62	return true;
 63}
 64
 65void mPythonScriptEngineDeinit(struct mScriptEngine* se) {
 66	struct mPythonScriptEngine* engine = (struct mPythonScriptEngine*) se;
 67	free(se);
 68}
 69
 70bool mPythonScriptEngineIsScript(struct mScriptEngine* se, const char* name, struct VFile* vf) {
 71	UNUSED(se);
 72	UNUSED(vf);
 73	return endswith(name, ".py");
 74}
 75
 76bool mPythonScriptEngineLoadScript(struct mScriptEngine* se, const char* name, struct VFile* vf) {
 77	struct mPythonScriptEngine* engine = (struct mPythonScriptEngine*) se;
 78	return mPythonLoadScript(name, vf);
 79}
 80
 81void mPythonScriptEngineRun(struct mScriptEngine* se) {
 82	struct mPythonScriptEngine* engine = (struct mPythonScriptEngine*) se;
 83
 84	struct mDebugger* debugger = mScriptBridgeGetDebugger(engine->sb);
 85	if (debugger) {
 86		mPythonSetDebugger(debugger);
 87	}
 88
 89	mPythonRunPending();
 90}
 91
 92#ifdef USE_DEBUGGERS
 93void mPythonScriptDebuggerEntered(struct mScriptEngine* se, enum mDebuggerEntryReason reason, struct mDebuggerEntryInfo* info) {
 94	struct mPythonScriptEngine* engine = (struct mPythonScriptEngine*) se;
 95
 96	struct mDebugger* debugger = mScriptBridgeGetDebugger(engine->sb);
 97	if (!debugger) {
 98		return;
 99	}
100
101	mPythonDebuggerEntered(reason, info);
102}
103#endif