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Merge pull request #1852 from dumganhar/iss1660-js-debugger 

issue #1660: Adding debug support for js
This commit is contained in:
James Chen 2013-01-15 22:37:46 -08:00
parent eb2fcf1efd 3a183d120b
commit cc2865e294
8 changed files with 292 additions and 149 deletions
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9
samples/Javascript/MoonWarriors/Classes/AppDelegate.cpp
View File

@ -9,6 +9,10 @@
#include "js_bindings_ccbreader.h"
#include "js_bindings_system_registration.h"
#if JSB_ENABLE_DEBUGGER
#include "js_bindings_dbg.h"
#endif
USING_NS_CC;
using namespace CocosDenshion;
@ -47,7 +51,12 @@ bool AppDelegate::applicationDidFinishLaunching()
CCScriptEngineProtocol *pEngine = ScriptingCore::getInstance();
CCScriptEngineManager::sharedManager()->setScriptEngine(pEngine);
#if JSB_ENABLE_DEBUGGER
ScriptingCore::getInstance()->enableDebugger();
ScriptingCore::getInstance()->runScript("main.debug.js");
#else
ScriptingCore::getInstance()->runScript("MoonWarriors-jsb.js");
#endif
return true;
}

2
samples/Javascript/MoonWarriors/proj.ios/MoonWarriors.xcodeproj/project.pbxproj.REMOVED.git-id
View File

@ -1 +1 @@
2e242c0171e848d248e90070640ddf579e07ec13
c29148da456b0a1eb38816bf26c68ba21fa50ab7

362
scripting/javascript/bindings/ScriptingCore.cpp
View File

@ -40,12 +40,28 @@
#define LOGD(...) js_log(__VA_ARGS__)
#endif
#include "js_bindings_config.h"
#if JSB_ENABLE_DEBUGGER
#include "js_bindings_dbg.h"
#endif
pthread_t debugThread;
string inData;
string outData;
vector<string> queue;
pthread_mutex_t g_qMutex;
pthread_mutex_t g_rwMutex;
bool vmLock = false;
jsval frame = JSVAL_NULL, script = JSVAL_NULL;
int clientSocket;
// server entry point for the bg thread
void* serverEntryPoint(void*);
js_proxy_t *_native_js_global_ht = NULL;
js_proxy_t *_js_native_global_ht = NULL;
js_type_class_t *_js_global_type_ht = NULL;
char *_js_log_buf = NULL;
static const char * JSB_version = "JSB v0.5";
std::vector<sc_register_sth> registrationList;
@ -291,12 +307,6 @@ void registerDefaultClasses(JSContext* cx, JSObject* global) {
JS_DefineFunction(cx, global, "executeScript", ScriptingCore::executeScript, 1, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx, global, "forceGC", ScriptingCore::forceGC, 0, JSPROP_READONLY | JSPROP_PERMANENT);
// these are used in the debug socket
JS_DefineFunction(cx, global, "_socketOpen", jsSocketOpen, 1, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx, global, "_socketWrite", jsSocketWrite, 1, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx, global, "_socketRead", jsSocketRead, 1, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx, global, "_socketClose", jsSocketClose, 1, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx, global, "__getPlatform", JSBCore_platform, 0, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx, global, "__getOS", JSBCore_os, 0, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx, global, "__getVersion", JSBCore_version, 0, JSPROP_READONLY | JSPROP_PERMANENT);
@ -415,6 +425,9 @@ void ScriptingCore::createGlobalContext() {
//JS_SetGCZeal(this->cx_, 2, JS_DEFAULT_ZEAL_FREQ);
#endif
this->global_ = NewGlobalObject(cx_);
#if JSB_ENABLE_DEBUGGER
JS_SetDebugMode(cx_, JS_TRUE);
#endif
for (std::vector<sc_register_sth>::iterator it = registrationList.begin(); it != registrationList.end(); it++) {
sc_register_sth callback = *it;
callback(this->cx_, this->global_);
@ -460,6 +473,7 @@ JSBool ScriptingCore::runScript(const char *path, JSObject* global, JSContext* c
evaluatedOK = JS_ExecuteScript(cx, global, script, &rval);
if (JS_FALSE == evaluatedOK) {
CCLog("(evaluatedOK == JS_FALSE)");
JS_ReportPendingException(cx);
}
}
return evaluatedOK;
@ -1399,41 +1413,55 @@ jsval cccolor3b_to_jsval(JSContext* cx, const ccColor3B& v) {
#pragma mark - Debug
void ScriptingCore::enableDebugger() {
void ScriptingCore::debugProcessInput(string str) {
JSString* jsstr = JS_NewStringCopyZ(cx_, str.c_str());
jsval argv[3] = {
STRING_TO_JSVAL(jsstr),
frame,
script
};
jsval outval;
JSAutoCompartment ac(cx_, debugGlobal_);
JS_CallFunctionName(cx_, debugGlobal_, "processInput", 3, argv, &outval);
}
void ScriptingCore::enableDebugger() {
if (debugGlobal_ == NULL) {
debugGlobal_ = NewGlobalObject(cx_, true);
// these are used in the debug socket
JS_WrapObject(cx_, &debugGlobal_);
JSAutoCompartment ac(cx_, debugGlobal_);
// these are used in the debug program
JS_DefineFunction(cx_, debugGlobal_, "log", ScriptingCore::log, 0, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx_, debugGlobal_, "_getScript", jsGetScript, 1, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx_, debugGlobal_, "_socketOpen", jsSocketOpen, 1, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx_, debugGlobal_, "_socketWrite", jsSocketWrite, 1, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx_, debugGlobal_, "_socketRead", jsSocketRead, 1, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx_, debugGlobal_, "_socketClose", jsSocketClose, 1, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx_, debugGlobal_, "_bufferWrite", JSBDebug_BufferWrite, 1, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx_, debugGlobal_, "_bufferRead", JSBDebug_BufferRead, 0, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx_, debugGlobal_, "_lockVM", JSBDebug_LockExecution, 2, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx_, debugGlobal_, "_unlockVM", JSBDebug_UnlockExecution, 0, JSPROP_READONLY | JSPROP_PERMANENT);
runScript("jsb_debugger.js", debugGlobal_);
runScript("debugger.js", debugGlobal_);
// prepare the debugger
do {
jsval argv = OBJECT_TO_JSVAL(global_);
jsval out;
JS_WrapObject(cx_, &debugGlobal_);
JSAutoCompartment ac(cx_, debugGlobal_);
JS_CallFunctionName(cx_, debugGlobal_, "_prepareDebugger", 1, &argv, &out);
} while (0);
jsval argv = OBJECT_TO_JSVAL(global_);
jsval outval;
JSBool ok = JS_CallFunctionName(cx_, debugGlobal_, "_prepareDebugger", 1, &argv, &outval);
if (!ok) {
JS_ReportPendingException(cx_);
}
// define the start debugger function
JS_DefineFunction(cx_, global_, "startDebugger", jsStartDebugger, 3, JSPROP_READONLY | JSPROP_PERMANENT);
JS_DefineFunction(cx_, global_, "startDebugger", JSBDebug_StartDebugger, 3, JSPROP_READONLY | JSPROP_PERMANENT);
// start bg thread
pthread_create(&debugThread, NULL, serverEntryPoint, NULL);
}
}
JSBool jsStartDebugger(JSContext* cx, unsigned argc, jsval* vp)
{
JSObject* debugGlobal = ScriptingCore::getInstance()->getDebugGlobal();
if (argc == 3) {
if (argc >= 2) {
jsval* argv = JS_ARGV(cx, vp);
jsval out;
JS_WrapObject(cx, &debugGlobal);
JSAutoCompartment ac(cx, debugGlobal);
JS_CallFunctionName(cx, debugGlobal, "_startDebugger", 3, argv, &out);
JS_CallFunctionName(cx, debugGlobal, "_startDebugger", argc, argv, &out);
return JS_TRUE;
}
return JS_FALSE;
@ -1474,110 +1502,6 @@ JSObject* NewGlobalObject(JSContext* cx, bool debug)
return glob;
}
// open a socket, bind it to a port and start listening, all at once :)
JSBool jsSocketOpen(JSContext* cx, unsigned argc, jsval* vp)
{
if (argc == 2) {
jsval* argv = JS_ARGV(cx, vp);
int port = JSVAL_TO_INT(argv[0]);
JSObject* callback = JSVAL_TO_OBJECT(argv[1]);
int s;
s = ports_sockets[port];
if (!s) {
char myname[256];
struct sockaddr_in sa;
struct hostent *hp;
memset(&sa, 0, sizeof(struct sockaddr_in));
gethostname(myname, 256);
hp = gethostbyname(myname);
sa.sin_family = hp->h_addrtype;
sa.sin_port = htons(port);
if ((s = socket(PF_INET, SOCK_STREAM, 0)) < 0) {
JS_ReportError(cx, "error opening socket");
return JS_FALSE;
}
int optval = 1;
if ((setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char*)&optval, sizeof(optval))) < 0) {
close(s);
JS_ReportError(cx, "error setting socket options");
return JS_FALSE;
}
if ((bind(s, (const struct sockaddr *)&sa, sizeof(struct sockaddr_in))) < 0) {
close(s);
JS_ReportError(cx, "error binding socket");
return JS_FALSE;
}
listen(s, 1);
int clientSocket;
if ((clientSocket = accept(s, NULL, NULL)) > 0) {
ports_sockets[port] = clientSocket;
jsval fval = OBJECT_TO_JSVAL(callback);
jsval jsSocket = INT_TO_JSVAL(clientSocket);
jsval outVal;
JS_CallFunctionValue(cx, NULL, fval, 1, &jsSocket, &outVal);
}
} else {
// just call the callback with the client socket
jsval fval = OBJECT_TO_JSVAL(callback);
jsval jsSocket = INT_TO_JSVAL(s);
jsval outVal;
JS_CallFunctionValue(cx, NULL, fval, 1, &jsSocket, &outVal);
}
JS_SET_RVAL(cx, vp, INT_TO_JSVAL(s));
}
return JS_TRUE;
}
JSBool jsSocketRead(JSContext* cx, unsigned argc, jsval* vp)
{
if (argc == 1) {
jsval* argv = JS_ARGV(cx, vp);
int s = JSVAL_TO_INT(argv[0]);
char buff[1024];
JSString* outStr = JS_NewStringCopyZ(cx, "");
int bytesRead;
while ((bytesRead = read(s, buff, 1024)) > 0) {
JSString* newStr = JS_NewStringCopyN(cx, buff, bytesRead);
outStr = JS_ConcatStrings(cx, outStr, newStr);
// break on new line
if (buff[bytesRead-1] == '\n') {
break;
}
}
JS_SET_RVAL(cx, vp, STRING_TO_JSVAL(outStr));
} else {
JS_SET_RVAL(cx, vp, JSVAL_NULL);
}
return JS_TRUE;
}
JSBool jsSocketWrite(JSContext* cx, unsigned argc, jsval* vp)
{
if (argc == 2) {
jsval* argv = JS_ARGV(cx, vp);
int s;
s = JSVAL_TO_INT(argv[0]);
JSString* jsstr = JS_ValueToString(cx, argv[1]);
JSStringWrapper str(jsstr);
write(s, str, strlen(str));
}
return JS_TRUE;
}
JSBool jsSocketClose(JSContext* cx, unsigned argc, jsval* vp)
{
if (argc == 1) {
jsval* argv = JS_ARGV(cx, vp);
int s = JSVAL_TO_INT(argv[0]);
close(s);
}
return JS_TRUE;
}
JSBool jsb_set_reserved_slot(JSObject *obj, uint32_t idx, jsval value)
{
JSClass *klass = JS_GetClass(obj);
@ -1601,3 +1525,181 @@ JSBool jsb_get_reserved_slot(JSObject *obj, uint32_t idx, jsval& ret)
return JS_TRUE;
}
#pragma mark - Debugger
JSBool JSBDebug_StartDebugger(JSContext* cx, unsigned argc, jsval* vp)
{
JSObject* debugGlobal = ScriptingCore::getInstance()->getDebugGlobal();
if (argc >= 2) {
jsval* argv = JS_ARGV(cx, vp);
jsval out;
JS_WrapObject(cx, &debugGlobal);
JSAutoCompartment ac(cx, debugGlobal);
JS_CallFunctionName(cx, debugGlobal, "_startDebugger", argc, argv, &out);
return JS_TRUE;
}
return JS_FALSE;
}
JSBool JSBDebug_BufferRead(JSContext* cx, unsigned argc, jsval* vp)
{
if (argc == 0) {
JSString* str;
// this is safe because we're already inside a lock (from clearBuffers)
if (vmLock) {
pthread_mutex_lock(&g_rwMutex);
}
str = JS_NewStringCopyZ(cx, inData.c_str());
inData.clear();
if (vmLock) {
pthread_mutex_unlock(&g_rwMutex);
}
JS_SET_RVAL(cx, vp, STRING_TO_JSVAL(str));
} else {
JS_SET_RVAL(cx, vp, JSVAL_NULL);
}
return JS_TRUE;
}
JSBool JSBDebug_BufferWrite(JSContext* cx, unsigned argc, jsval* vp)
{
if (argc == 1) {
jsval* argv = JS_ARGV(cx, vp);
const char* str;
JSString* jsstr = JS_ValueToString(cx, argv[0]);
str = JS_EncodeString(cx, jsstr);
// this is safe because we're already inside a lock (from clearBuffers)
outData.append(str);
JS_free(cx, (void*)str);
}
return JS_TRUE;
}
// this should lock the execution of the running thread, waiting for a signal
JSBool JSBDebug_LockExecution(JSContext* cx, unsigned argc, jsval* vp)
{
if (argc == 2) {
printf("locking vm\n");
jsval* argv = JS_ARGV(cx, vp);
frame = argv[0];
script = argv[1];
vmLock = true;
while (vmLock) {
// try to read the input, if there's anything
pthread_mutex_lock(&g_qMutex);
while (queue.size() > 0) {
vector<string>::iterator first = queue.begin();
string str = *first;
ScriptingCore::getInstance()->debugProcessInput(str);
queue.erase(first);
}
pthread_mutex_unlock(&g_qMutex);
sched_yield();
}
printf("vm unlocked\n");
frame = JSVAL_NULL;
script = JSVAL_NULL;
return JS_TRUE;
}
JS_ReportError(cx, "invalid call to _lockVM");
return JS_FALSE;
}
JSBool JSBDebug_UnlockExecution(JSContext* cx, unsigned argc, jsval* vp)
{
vmLock = false;
return JS_TRUE;
}
bool serverAlive = true;
void processInput(string data) {
pthread_mutex_lock(&g_qMutex);
queue.push_back(string(data));
pthread_mutex_unlock(&g_qMutex);
}
void clearBuffers() {
pthread_mutex_lock(&g_rwMutex);
{
// only process input if there's something and we're not locked
if (inData.length() > 0) {
processInput(inData);
inData.clear();
}
if (outData.length() > 0) {
write(clientSocket, outData.c_str(), outData.length());
outData.clear();
}
}
pthread_mutex_unlock(&g_rwMutex);
}
void* serverEntryPoint(void*)
{
// init the mutex
assert(pthread_mutex_init(&g_rwMutex, NULL) == 0);
assert(pthread_mutex_init(&g_qMutex, NULL) == 0);
// start a server, accept the connection and keep reading data from it
struct addrinfo hints, *result, *rp;
int s;
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_STREAM; // TCP
int err;
stringstream portstr;
portstr << JSB_DEBUGGER_PORT;
const char* tmp = portstr.str().c_str();
if ((err = getaddrinfo(NULL, tmp, &hints, &result)) != 0) {
printf("error: %s\n", gai_strerror(err));
}
for (rp = result; rp != NULL; rp = rp->ai_next) {
if ((s = socket(rp->ai_family, rp->ai_socktype, 0)) < 0) {
continue;
}
int optval = 1;
if ((setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char*)&optval, sizeof(optval))) < 0) {
close(s);
LOGD("error setting socket options");
return NULL;
}
if ((bind(s, rp->ai_addr, rp->ai_addrlen)) == 0) {
break;
}
close(s);
s = -1;
}
if (s < 0 || rp == NULL) {
LOGD("error creating/binding socket");
return NULL;
}
freeaddrinfo(result);
listen(s, 1);
while (serverAlive && (clientSocket = accept(s, NULL, NULL)) > 0) {
// read/write data
LOGD("debug client connected");
while (serverAlive) {
char buf[256];
int readBytes;
while ((readBytes = read(clientSocket, buf, 256)) > 0) {
buf[readBytes] = '\0';
// no other thread is using this
inData.append(buf);
// process any input, send any output
clearBuffers();
} // while(read)
} // while(serverAlive)
}
// we're done, destroy the mutex
pthread_mutex_destroy(&g_rwMutex);
pthread_mutex_destroy(&g_qMutex);
return NULL;
}

17
scripting/javascript/bindings/ScriptingCore.h
View File

@ -11,6 +11,8 @@
#include <assert.h>
#include "cocos2d.h"
#include "js_bindings_config.h"
#include "js_bindings_core.h"
#include "uthash.h"
#include "jsapi.h"
#include "jsfriendapi.h"
@ -19,6 +21,7 @@
void js_log(const char *format, ...);
using namespace cocos2d;
using namespace std;
typedef void (*sc_register_sth)(JSContext* cx, JSObject* global);
@ -175,6 +178,7 @@ public:
/**
* enable the debug environment
*/
void debugProcessInput(string str);
void enableDebugger();
JSObject* getDebugGlobal() { return debugGlobal_; }
@ -205,7 +209,7 @@ JSBool jsvals_variadic_to_ccarray( JSContext *cx, jsval *vp, int argc, CCArray**
jsval int32_to_jsval( JSContext *cx, int32_t l);
jsval uint32_to_jsval( JSContext *cx, uint32_t number );
jsval long_long_to_jsval(JSContext* cx, long long v);
jsval std_string_to_jsval(JSContext* cx, std::string& v);
jsval std_string_to_jsval(JSContext* cx, string& v);
jsval c_string_to_jsval(JSContext* cx, const char* v);
jsval ccpoint_to_jsval(JSContext* cx, CCPoint& v);
jsval ccrect_to_jsval(JSContext* cx, CCRect& v);
@ -221,10 +225,11 @@ JSObject* NewGlobalObject(JSContext* cx, bool debug = false);
JSBool jsStartDebugger(JSContext* cx, unsigned argc, jsval* vp);
JSBool jsGetScript(JSContext* cx, unsigned argc, jsval* vp);
JSBool jsSocketOpen(JSContext* cx, unsigned argc, jsval* vp);
JSBool jsSocketRead(JSContext* cx, unsigned argc, jsval* vp);
JSBool jsSocketWrite(JSContext* cx, unsigned argc, jsval* vp);
JSBool jsSocketClose(JSContext* cx, unsigned argc, jsval* vp);
JSBool JSBDebug_StartDebugger(JSContext* cx, unsigned argc, jsval* vp);
JSBool JSBDebug_BufferRead(JSContext* cx, unsigned argc, jsval* vp);
JSBool JSBDebug_BufferWrite(JSContext* cx, unsigned argc, jsval* vp);
JSBool JSBDebug_LockExecution(JSContext* cx, unsigned argc, jsval* vp);
JSBool JSBDebug_UnlockExecution(JSContext* cx, unsigned argc, jsval* vp);
// just a simple utility to avoid mem leaking when using JSString
class JSStringWrapper
@ -264,7 +269,7 @@ public:
}
buffer = JS_EncodeString(cx, string);
}
std::string get() {
std::string get() {
return buffer;
}

22
scripting/javascript/bindings/js/jsb_debugger.js
View File

@ -1,9 +1,5 @@
dbg = {};
// fallback for no cc
cc = {};
cc.log = log;
var breakpointHandler = {
hit: function (frame) {
var script = frame.script;
@ -28,7 +24,7 @@ var stepFunction = function (frame, script) {
dbg.breakLine = 0;
var processInput = function (str, frame, script) {
this.processInput = function (str, frame, script) {
str = str.replace(/\n$/, "");
if (str.length === 0) {
return;
@ -171,20 +167,26 @@ dbg.onError = function (frame, report) {
cc.log("!! exception");
};
function _prepareDebugger(global) {
this._prepareDebugger = function (global) {
var tmp = new Debugger(global);
tmp.onNewScript = dbg.onNewScript;
tmp.onDebuggerStatement = dbg.onDebuggerStatement;
tmp.onError = dbg.onError;
dbg.dbg = tmp;
}
};
function _startDebugger(global, files, startFunc) {
cc.log("starting with debugger enabled");
this._startDebugger = function (global, files, startFunc) {
cc.log("[DBG] starting debug session");
for (var i in files) {
global['eval']("require('" + files[i] + "');");
try {
global['eval']("require('" + files[i] + "');");
} catch (e) {
cc.log("[DBG] error evaluating file: " + files[i]);
}
}
cc.log("[DBG] all files required");
if (startFunc) {
cc.log("executing start func: " + startFunc);
global['eval'](startFunc);
}
// beginDebug();

19
scripting/javascript/bindings/js/main.debug.js Normal file
View File

@ -0,0 +1,19 @@
/**
* bootstrap for the debugger. You can test to see if the debugger is loaded by checking the type of
* `startDebugger`. If that function is defined, then you should call it with the global object,
* which at this point is `this`, the array of files that you need to load (usually is just your
* main javascript), and the function that needs to be called to start your game, as a string.
* If the `startDebugger` function is not defined, then you just require your files and start your
* game :)
*/
var files = ['MoonWarriors-jsb.js'];
if (typeof startDebugger !== "undefined") {
cc.log("**** will start debugger ****");
startDebugger(this, files);
} else {
cc.log("**** no debugger loaded ****");
for (var i in files) {
require(files[i]);
}
// run();
}

6
scripting/javascript/bindings/js_bindings_config.h
View File

@ -148,6 +148,12 @@ JSAutoCompartment ac(cx, obj)
#define JSB_ENSURE_AUTOCOMPARTMENT(cx, obj)
#endif
/**
* @def JSB_DEBUGGER_PORT
* The port number, where the client will be listening on
*/
#define JSB_DEBUGGER_PORT 1337
/** @def JSB_INCLUDE_SYSTEM
Whether or not it should include bindings for system components like LocalStorage
*/

4
scripting/javascript/bindings/js_bindings_core.cpp
View File

@ -44,9 +44,9 @@ static tHashJSObject *hash = NULL;
static tHashJSObject *reverse_hash = NULL;
// Globals
char * JSB_association_proxy_key = NULL;
char* JSB_association_proxy_key = NULL;
const char * JSB_version = "0.3-beta";
const char* JSB_version = "0.3-beta";
static void its_finalize(JSFreeOp *fop, JSObject *obj)