Exemple #1
0
bool JSAPITest::exec(const char *bytes, const char *filename, int lineno)
{
    JS::RootedValue v(cx);
    JS::HandleObject global = JS::HandleObject::fromMarkedLocation(&this->global);
    return JS_EvaluateScript(cx, global, bytes, strlen(bytes), filename, lineno, v.address()) ||
        fail(bytes, filename, lineno);
}
Exemple #2
0
bool ScriptEngine_Execute(char const * script) {
	if(!g_JsRunning) return false;

	JSAutoCompartment ac(g_JsCx, g_JsGlobal);
	jsval rval;
	return JS_TRUE == JS_EvaluateScript(g_JsCx, JS_GetGlobalForScopeChain(g_JsCx), script, strlen(script), NULL, 0, &rval);
}
Exemple #3
0
bool round_js_sm_engine_run(RoundJavaScriptEngine* engine, const char* source, size_t sourceLen, RoundString* result, RoundError* err)
{
  if (!engine)
    return false;

  if (!engine->rt || !engine->cx)
    return false;

  gCurrentJsEngine = engine;

  jsval rval;
  JSBool ok = JS_EvaluateScript(engine->cx, engine->obj, source, (uintN)sourceLen, "", 0, &rval);
  gCurrentJsEngine = NULL;

  if (ok) {
    JSString* rstr = JS_ValueToString(engine->cx, rval);
    if (rstr) {
      if (result) {
        round_string_setvalue(result, JS_EncodeString(engine->cx, rstr));
      }
    }
  }

  return ok;
}
Exemple #4
0
unsigned char *
spidermonkey_eval_stringback(struct ecmascript_interpreter *interpreter,
			     struct string *code)
{
	JSBool ret;
	JSContext *ctx;
	jsval rval;

	assert(interpreter);
	if (!js_module_init_ok) return NULL;
	ctx = interpreter->backend_data;
	interpreter->ret = NULL;
#if defined(CONFIG_ECMASCRIPT_SMJS_HEARTBEAT)
	interpreter->heartbeat = add_heartbeat(interpreter);
#elif defined(HAVE_JS_SETBRANCHCALLBACK)
	setup_safeguard(interpreter, ctx);
#endif
	ret = JS_EvaluateScript(ctx, JS_GetGlobalObject(ctx),
	                        code->source, code->length, "", 0, &rval);
#if defined(CONFIG_ECMASCRIPT_SMJS_HEARTBEAT)
	done_heartbeat(interpreter->heartbeat);
#endif
	if (ret == JS_FALSE) {
		return NULL;
	}
	if (JSVAL_IS_VOID(rval) || JSVAL_IS_NULL(rval)) {
		/* Undefined value. */
		return NULL;
	}

	return stracpy(jsval_to_string(ctx, &rval));
}
Exemple #5
0
bool Context::evaluateScript(const char* script, JS::Value* val)
{
  JSAutoCompartment ac(_jsctx, _global);
  return JS_EvaluateScript(_jsctx, _global,
                           script, strlen(script),
                           "inline", 1, val);
}
static jsval anonEvaluate(JSContext *cx, JSObject *thisObj, const char* string) {
    jsval out;
    if (JS_EvaluateScript(cx, thisObj, string, strlen(string), "(string)", 1, &out) == JS_TRUE) {
        return out;
    }
    return JSVAL_VOID;
}
static ctxStore *ctxs_new(pxPAC *pac)
{
	JSObject *global = NULL;
	jsval     rval;

	// Create the basic context
	ctxStore *self = px_malloc0(sizeof(ctxStore));

	// Setup Javascript global class
	self->cls     = px_malloc0(sizeof(JSClass));
	self->cls->name        = "global";
	self->cls->flags       = 0;
	self->cls->addProperty = JS_PropertyStub;
	self->cls->delProperty = JS_PropertyStub;
	self->cls->getProperty = JS_PropertyStub;
	self->cls->setProperty = JS_PropertyStub;
	self->cls->enumerate   = JS_EnumerateStub;
	self->cls->resolve     = JS_ResolveStub;
	self->cls->convert     = JS_ConvertStub;
	self->cls->finalize    = JS_FinalizeStub;

	// Initialize Javascript runtime environment
	if (!(self->run = JS_NewRuntime(1024 * 1024)))                   goto error;
	if (!(self->ctx = JS_NewContext(self->run, 1024 * 1024)))        goto error;
	if (!(global  = JS_NewObject(self->ctx, self->cls, NULL, NULL))) goto error;
	JS_InitStandardClasses(self->ctx, global);

	// Define Javascript functions
	JS_DefineFunction(self->ctx, global, "dnsResolve", dnsResolve, 1, 0);
	JS_DefineFunction(self->ctx, global, "myIpAddress", myIpAddress, 0, 0);
	JS_EvaluateScript(self->ctx, global, JAVASCRIPT_ROUTINES,
			        strlen(JAVASCRIPT_ROUTINES), "pacutils.js", 0, &rval);

	// Add PAC to the environment
	JS_EvaluateScript(self->ctx, global, px_pac_to_string(pac),
                       strlen(px_pac_to_string(pac)),
                       px_url_to_string((pxURL *) px_pac_get_url(pac)),
                       0, &rval);

	// Save the pac
	self->pac = px_strdup(px_pac_to_string(pac));
	return self;

error:
	ctxs_free(self);
	return NULL;
}
static jsval anonEvaluate(JSContext *cx, JS::HandleObject thisObj, const char* string) {
    JS::RootedValue out(cx);
//    JSB_AUTOCOMPARTMENT_WITH_GLOBAL_OBJCET
    if (JS_EvaluateScript(cx, thisObj, string, strlen(string), "(string)", 1, &out) == true) {
        return out.get();
    }
    return JSVAL_VOID;
}
static void
EvaluateScript(JSContext* jscontext, JSObject* glob, MySecMan* sm, MySecMan::Mode mode, const char* msg, const char* t, jsval &rval)
{
    sm->SetMode(mode);
    fputs(msg, stdout);
    JSAutoRequest ar(jscontext);
    JS_EvaluateScript(jscontext, glob, t, strlen(t), "builtin", 1, &rval);
}
Exemple #10
0
   // PD_TRACE_DECLARE_FUNCTION ( SDB_SCOPE_EVALUATE2, "Scope::evaluate2" )
   INT32 Scope::evaluate2 ( const CHAR *code, UINT32 len, UINT32 lineno,
                            jsval *rval, CHAR **errMsg,
                            INT32 printFlag )
   {
      PD_TRACE_ENTRY ( SDB_SCOPE_EVALUATE2 );
      INT32 rc = SDB_OK ;
      jsval exception = JSVAL_VOID ;
      CHAR *cstrException = NULL ;
      SDB_ASSERT ( _context && _global, "this scope has not been initilized" ) ;
      SDB_ASSERT ( code , "Invalid arguments" ) ;

      // set error report
      sdbSetPrintError( ( printFlag & SPT_EVAL_FLAG_PRINT ) ? TRUE : FALSE ) ;
      sdbSetNeedClearErrorInfo( TRUE ) ;

      if ( ! JS_EvaluateScript ( _context, _global, code, len, NULL,
                                 lineno, rval ) )
      {
         rc = sdbGetErrno() ? sdbGetErrno() : SDB_SPT_EVAL_FAIL ;
         goto error ;
      }

      // clear return error
      if ( sdbIsNeedClearErrorInfo() &&
           !JS_IsExceptionPending( _context ) )
      {
         sdbClearErrorInfo() ;
      }

   done:
      PD_TRACE_EXITRC ( SDB_SCOPE_EVALUATE2, rc );
      return rc ;
   error:
      if ( JS_IsExceptionPending( _context ) &&
           JS_GetPendingException ( _context , &exception ) )
      {
         cstrException = convertJsvalToString ( _context , exception ) ;
         if ( cstrException )
         {
            if ( printFlag & SPT_EVAL_FLAG_PRINT )
            {
               ossPrintf ( "Uncaught exception: %s\n" , cstrException ) ;
            }

            /// what to do when oom?
            *errMsg = ossStrdup( cstrException ) ;
            SAFE_JS_FREE ( _context , cstrException ) ;
         }
         else
         {
            JS_ClearPendingException ( _context ) ;
         }
      }
      goto done ;
   }
nsresult EvaluateAdminConfigScript(const char *js_buffer, size_t length,
                                   const char *filename, PRBool bGlobalContext, 
                                   PRBool bCallbacks, PRBool skipFirstLine)
{
    JSBool ok;
    jsval result;

    if (skipFirstLine) {
        /* In order to protect the privacy of the JavaScript preferences file 
         * from loading by the browser, we make the first line unparseable
         * by JavaScript. We must skip that line here before executing 
         * the JavaScript code.
         */
        unsigned int i = 0;
        while (i < length) {
            char c = js_buffer[i++];
            if (c == '\r') {
                if (js_buffer[i] == '\n')
                    i++;
                break;
            }
            if (c == '\n')
                break;
        }

        length -= i;
        js_buffer += i;
    }

    nsresult rv;
    nsCOMPtr<nsIJSContextStack> cxstack = 
        do_GetService("@mozilla.org/js/xpc/ContextStack;1");
    rv = cxstack->Push(autoconfig_cx);
    if (NS_FAILED(rv)) {
        NS_ERROR("coudn't push the context on the stack");
        return rv;
    }

    JS_BeginRequest(autoconfig_cx);
    ok = JS_EvaluateScript(autoconfig_cx, autoconfig_glob,
                           js_buffer, length, filename, 0, &result);
    JS_EndRequest(autoconfig_cx);

    JS_MaybeGC(autoconfig_cx);

    JSContext *cx;
    cxstack->Pop(&cx);
    NS_ASSERTION(cx == autoconfig_cx, "AutoConfig JS contexts didn't match");

    if (ok)
        return NS_OK;
    return NS_ERROR_FAILURE;
}
static JSTrapStatus
ThrowHook(JSContext *cx, JSScript *, jsbytecode *, jsval *rval, void *closure)
{
    called = true;

    JSObject *global = JS_GetGlobalForScopeChain(cx);

    char text[] = "new Error()";
    jsval _;
    JS_EvaluateScript(cx, global, text, strlen(text), "", 0, &_);

    return JSTRAP_CONTINUE;
}
Exemple #13
0
int JsParser::evaluate(JSContext *cx, JSObject *obj,
		     const char *name, const char *buf, unsigned int len) {
  jsval res;
  unsigned int lineno;
  JSBool eval_res = JS_TRUE;

  func("JS evaluating script on object %p", __PRETTY_FUNCTION__, obj);
  eval_res = JS_EvaluateScript(cx, obj, buf, len, name, lineno, &res);
  // if anything more was wrong, our ErrorReporter was called!
  func("evaluation result: %i", eval_res);
  return(eval_res);
  // TODO: error message in script evaluation, with line number report
}
Exemple #14
0
// Initialize PAC parser.
//
// - Initializes JavaScript engine,
// - Exports dns_functions (defined above) to JavaScript context.
// - Sets error reporting function to print_jserror,
// - Evaluates JavaScript code in pacUtils variable defined in pac_utils.h.
int                                     // 0 (=Failure) or 1 (=Success)
pacparser_init()
{
  jsval rval;
  char *error_prefix = "pacparser.c: pacparser_init:";
  // Initialize JS engine
  if (!(rt = JS_NewRuntime(8L * 1024L * 1024L)) ||
      !(cx = JS_NewContext(rt, 8192)) ||
      !(global = JS_NewObject(cx, &global_class, NULL, NULL)) ||
      !JS_InitStandardClasses(cx, global)) {
    print_error("%s %s\n", error_prefix, "Could not initialize  JavaScript "
		  "runtime.");
    return 0;
  }
  JS_SetErrorReporter(cx, print_jserror);
  // Export our functions to Javascript engine
  if (!JS_DefineFunction(cx, global, "dnsResolve", dns_resolve, 1, 0)) {
    print_error("%s %s\n", error_prefix,
		  "Could not define dnsResolve in JS context.");
    return 0;
  }
  if (!JS_DefineFunction(cx, global, "myIpAddress", my_ip, 0, 0)) {
    print_error("%s %s\n", error_prefix,
		  "Could not define myIpAddress in JS context.");
    return 0;
  }
  if (!JS_DefineFunction(cx, global, "dnsResolveEx", dns_resolve_ex, 1, 0)) {
    print_error("%s %s\n", error_prefix,
      "Could not define dnsResolveEx in JS context.");
    return 0;
  }
  if (!JS_DefineFunction(cx, global, "myIpAddressEx", my_ip_ex, 0, 0)) {
    print_error("%s %s\n", error_prefix,
		  "Could not define myIpAddressEx in JS context.");
    return 0;
  }
  // Evaluate pacUtils. Utility functions required to parse pac files.
  if (!JS_EvaluateScript(cx,           // JS engine context
                         global,       // global object
                         pacUtils,     // this is defined in pac_utils.h
                         strlen(pacUtils),
                         NULL,         // filename (NULL in this case)
                         1,            // line number, used for reporting.
                         &rval)) {
    print_error("%s %s\n", error_prefix,
		  "Could not evaluate pacUtils defined in pac_utils.h.");
    return 0;
  }
  if (_debug()) print_error("DEBUG: Pacparser Initalized.\n");
  return 1;
}
static JSTrapStatus
ThrowHook(JSContext *cx, JSScript *, jsbytecode *, jsval *rval, void *closure)
{
    JS_ASSERT(!closure);
    called = true;

    JS::RootedObject global(cx, JS::CurrentGlobalOrNull(cx));

    char text[] = "new Error()";
    jsval _;
    JS_EvaluateScript(cx, global, text, strlen(text), "", 0, &_);

    return JSTRAP_CONTINUE;
}
Exemple #16
0
    static void threadMain(void *arg) {
        ThreadData *d = (ThreadData *) arg;

        JSContext *cx = JS_NewContext(d->rt, 8192);
        if (!cx)
            return;
        JS_BeginRequest(cx);
        {
            jsvalRoot v(cx);
            if (!JS_EvaluateScript(cx, d->obj, d->code, strlen(d->code), __FILE__, __LINE__, v.addr()))
                return;
        }
        JS_DestroyContext(cx);
        d->ok = true;
    }
Exemple #17
0
// filename, line and globalObject default to 0 (in which case we execute
// the whole script / use our m_GlobalObject)
void ScriptingHost::RunMemScript(const char* script, size_t size, const char* filename, int line, JSObject* globalObject)
{
	if(!filename)
		filename = "unspecified file";
	if(!globalObject)
		globalObject = m_GlobalObject;

	// Maybe TODO: support Unicode input formats?

	jsval rval;
	JSBool ok = JS_EvaluateScript(m_Context, globalObject, script, (uintN)size, filename, line, &rval); 

	if (ok == JS_FALSE)
		throw PSERROR_Scripting_LoadFile_EvalErrors();
}
Exemple #18
0
bool Engine::executeFile(FILE *file,JSContext *cx,JSObject *obj)
{
	jsval rval;
	uintN lineno = 0;

	ContextPrivate *cxPrivate = (ContextPrivate*)JS_GetContextPrivate(cx);

	std::string script;
	if ( !parseFile(file,cxPrivate->getHttpRequest(),script) ) {
		throwParseError(cx);
		return false;
	}

	JSBool result = JS_EvaluateScript(cx,obj,script.c_str(),(uintN)script.length(),
		Util::UriUtil::getLastSegment(cxPrivate->getHttpRequest().getUri()).c_str(),1,&rval);

	return result==JS_TRUE;
}
js::Function JSInterpreter::evaluateScript(std::string script){
    jsval rval;
    JSBool ok;
    const char *filename = "noname";

    uintN lineno = 0;
    ok = JS_EvaluateScript(cx, global, script.c_str(), script.length(),
                           filename, lineno, &rval);
    if (rval == JSVAL_NULL || rval == JS_FALSE || ok == JS_FALSE){
        throw * new std::runtime_error("Could not evaluate script");
    }

    JSObject *obj;
    JS_ValueToObject(cx, rval, &obj);
    JSBool func = JS_ObjectIsFunction(cx, obj);
    //todo guard!
    return js::Function(obj);
}
Exemple #20
0
/**
 * shell_global_add_extension_importer:
 * @target_object_script: JavaScript code evaluating to a target object
 * @target_property: Name of property to use for importer
 * @directory: Source directory:
 * @error: A #GError
 *
 * This function sets a property named @target_property on the object
 * resulting from the evaluation of @target_object_script code, which
 * acts as a GJS importer for directory @directory.
 *
 * Returns: %TRUE on success
 */
gboolean
shell_global_add_extension_importer (ShellGlobal *global,
                                     const char  *target_object_script,
                                     const char  *target_property,
                                     const char  *directory,
                                     GError     **error)
{
  jsval target_object;
  JSObject *importer;
  JSContext *context = gjs_context_get_native_context (global->js_context);
  char *search_path[2] = { 0, 0 };

  // This is a bit of a hack; ideally we'd be able to pass our target
  // object directly into this function, but introspection doesn't
  // support that at the moment.  Instead evaluate a string to get it.
  if (!JS_EvaluateScript(context,
                         JS_GetGlobalObject(context),
                         target_object_script,
                         strlen (target_object_script),
                         "<target_object_script>",
                         0,
                         &target_object))
    {
      char *message;
      gjs_log_exception(context,
                        &message);
      g_set_error(error,
                  G_IO_ERROR,
                  G_IO_ERROR_FAILED,
                  "%s", message ? message : "(unknown)");
      g_free(message);
      return FALSE;
    }

  if (!JSVAL_IS_OBJECT (target_object))
    {
      g_error ("shell_global_add_extension_importer: invalid target object");
      return FALSE;
    }

  search_path[0] = (char*)directory;
  importer = gjs_define_importer (context, JSVAL_TO_OBJECT (target_object), target_property, (const char **)search_path, FALSE);
  return TRUE;
}
int run(JSContext * cx)
{
	/* Enter a request before running anything in the context */
	JSAutoRequest ar(cx);

	/* Create the global object in a new compartment. */
	JSObject *global = JS_NewGlobalObject(cx, &global_class, nullptr);
	if (!global)
		return 3;

	/* Set the context's global */
	JSAutoCompartment ac(cx, global);
	JS_SetGlobalObject(cx, global);

	/* Populate the global object with the standard globals, like Object and Array. */
	if (!JS_InitStandardClasses(cx, global))
		 return 4;

	/* Your application code here. This may include JSAPI calls to create your own custom JS objects and run scripts. */
	js::RootedValue rval(cx);
	int rc = JS_EvaluateScript(cx, global, runCommand, strlen(runCommand),
				   "TestCommand", 0, rval.address());
	if (!rc)
		return 5;

	if (!JSVAL_IS_STRING(rval))
		return 0;

/* Result of the command is a string, print it out. */
	js::RootedString str(cx, JSVAL_TO_STRING(rval));
	size_t encodedLength = JS_GetStringEncodingLength(cx, str);
	rc = 0;
	char *buffer = (char *)malloc(encodedLength + 1);
	buffer[encodedLength] = '\0';
	size_t result = JS_EncodeStringToBuffer(cx, str, buffer, encodedLength);
	if (result == (size_t) - 1)
		rc = 6;
	else
		puts(buffer);
	free(buffer);

	return rc;
}
static void _loadModuleDir(SG_context *pCtx, const SG_pathname *path, const char *modname, JSContext *cx, JSObject *glob)
{
	SG_rbtree * pJavascriptFiles = NULL;
	SG_rbtree_iterator * pJavascriptFile = NULL;
	const char *szJavascriptFile = NULL; 
	SG_pathname *pJavascriptFilePath = NULL;
	SG_bool ok = SG_FALSE;
	SG_bool valid = SG_FALSE;
	char *psz_js = NULL; // free
	SG_uint32 len_js = 0;
	jsval rval = JSVAL_VOID;
	
	SG_ERR_CHECK(  SG_dir__list(pCtx, path, NULL, NULL, ".js", &pJavascriptFiles)  );
	SG_ERR_CHECK(  SG_rbtree__iterator__first(pCtx, &pJavascriptFile, pJavascriptFiles, &ok, &szJavascriptFile, NULL)  );
	SG_ERR_CHECK(  SG_PATHNAME__ALLOC__COPY(pCtx, &pJavascriptFilePath, path)  );

	while(ok)
	{
		SG_ERR_CHECK(  _isValidJsFile(pCtx, szJavascriptFile, &valid)  );

		if (valid)
		{
			SG_ERR_CHECK(  SG_pathname__append__from_sz(pCtx, pJavascriptFilePath, szJavascriptFile)  );

			SG_ERR_CHECK(  sg_read_entire_file(pCtx, pJavascriptFilePath, &psz_js, &len_js)  );
			if(!JS_EvaluateScript(cx, glob, psz_js, len_js, szJavascriptFile, 1, &rval))
			{
				SG_ERR_CHECK_CURRENT;
				SG_ERR_THROW2(SG_ERR_JS, (pCtx, "An error occurred loading %s javascript file '%s'", modname, szJavascriptFile));
			}
			SG_NULLFREE(pCtx, psz_js);
			SG_ERR_CHECK(  SG_pathname__remove_last(pCtx, pJavascriptFilePath)  );
		}

		SG_ERR_CHECK(  SG_rbtree__iterator__next(pCtx, pJavascriptFile, &ok, &szJavascriptFile, NULL)  );
	}

fail:
	SG_PATHNAME_NULLFREE(pCtx, pJavascriptFilePath);
	SG_RBTREE_ITERATOR_NULLFREE(pCtx, pJavascriptFile);
	SG_RBTREE_NULLFREE(pCtx, pJavascriptFiles);
	SG_NULLFREE(pCtx, psz_js);
}
Exemple #23
0
string EvaluateScript(const string& script) {
    
	/* Your application code here. This may include JSAPI calls to create your own custom JS objects and run scripts. */
	//char *script = "var o = {\"first_name\": \"matt\", \"last_name\":\"Jennings\", \"company\": \"walmart\"}; function getString(o){ if ( 'company' in o ) return o.company; else return o.first_name + \" \" + o.last_name; } getString(o);";
    jsval rval;
    JSString *str;
    JSBool ok;
    const char *filename = "noname";
    unsigned int lineno = 0;

	ok = JS_EvaluateScript(cx, global, script.c_str(), strlen(script.c_str()),
                           filename, lineno, &rval);
   // if (rval == NULL | rval == JS_FALSE)
      //  return 1;

    str = JS_ValueToString(cx, rval);	

    return string(JS_EncodeString(cx, str));

}
Exemple #24
0
JSBool
XML_Init(JSContext *cx, JSObject *obj)
{
    jsval rval;
    JSObject *proto;

    if (!JS_EvaluateScript(cx, JS_GetGlobalObject(cx), xmljs_newObj_str,
			   xmljs_newObj_size,
			   "XMLJS internal", 0, &rval))
	return JS_FALSE;

    proto = JSVAL_TO_OBJECT(rval);
    if (!JS_DefineFunction(cx, proto, "parse", xmljs_parse,
			   1, 0) ||
	!JS_DefineFunction(cx, proto, "parseFile", xmljs_parseFile,
			   1, 0))
	return JS_FALSE;

    return XMLParser_Init(cx, obj, proto) && XMLGraph_Init(cx, obj, proto);
}
JSBool ScriptingCore::evalString(const char *string, jsval *outVal, const char *filename)
{
    jsval rval;
    const char *fname = (filename ? filename : "noname");
    uint32_t lineno = 1;
    if (outVal == NULL) {
        outVal = &rval;
    }

    JSBool evaluatedOK = JS_EvaluateScript(cx, global,
                                           string, strlen(string),
                                           fname, lineno, outVal);

    if (JS_FALSE == evaluatedOK) {
        LOGD("(evaluatedOK == JS_FALSE)");
    } else {
        this->string_report(*outVal);
    }

    return evaluatedOK;
}
Exemple #26
0
static int
smjs_do_file(unsigned char *path)
{
	int ret = 1;
	jsval rval;
	struct string script;

	if (!init_string(&script)) return 0;

	if (!add_file_to_string(&script, path)
	     || JS_FALSE == JS_EvaluateScript(smjs_ctx,
				JS_GetGlobalObject(smjs_ctx),
				script.source, script.length, path, 1, &rval)) {
		alert_smjs_error("error loading script file");
		ret = 0;
	}

	done_string(&script);

	return ret;
}
Exemple #27
0
jsman::jsman(BMessage *info)
	:BHandler("javascript_manager"),PlugClass(info) {
	js_enabled=false;
	script_head=NULL;
	JSSettings->FindBool("js_enabled",&js_enabled);
	uses_heartbeat=true;
	rt=JS_NewRuntime(8L*1024L*1024L);
	version = JSVERSION_DEFAULT;
		
	if (!rt) {
		printf("Javascript initialiation failed.\n");
		return;
	}
	cx=JS_NewContext(rt,8192);
	if (cx==NULL) {
		printf("Unable to create Javascript context.\n");
		return;
	}
	glob=JS_NewObject(cx,&globalClass,NULL,NULL);
	builtins=JS_InitStandardClasses(cx,glob);
	printf("JSMan: end of constructor. rt= %p\n",rt);
	printf("Javascript Implementation Version: %s\n",JS_GetImplementationVersion());
		
	printf("performing simple Javascript test\n");
	//! A very simple Javascript example.
	char *script="var today=Date();today.toString();\0";
	jsval rval;
		uintN lineno=0;
		JSBool ok=JS_EvaluateScript(cx,glob,script,strlen(script),"script",lineno,&rval);
		
		if (ok==JS_TRUE) {
			JSString *str=JS_ValueToString(cx,rval);
			
			printf("Script executed properly: %s\n",JS_GetStringBytes(str));
			
		} else {
			printf("Script failed.\n");
		}
		
}
bool RenderTargetConstructor( JSContext *cx, unsigned argc, jsval *vp )
{
    //printf( "RenderTarget Constructor!%d\n", argc );

    JS::CallArgs args = JS::CallArgsFromVp( argc, vp );

    JSObject *object = JS_NewObjectForConstructor( cx, &RenderTargetClass, args );
    RootedObject obj(cx, object ); RootedValue v(cx, JS::UndefinedValue() );
    JS_DefineFunctions( cx, HandleObject(obj), rendertarget_functions );
    JS_DefineProperty( cx, HandleObject(obj), "w", HandleValue(&v), JSPROP_SHARED, (JSPropertyOp) GetRenderTargetProperty, (JSStrictPropertyOp) SetRenderTargetProperty );
    JS_DefineProperty( cx, HandleObject(obj), "h", HandleValue(&v), JSPROP_SHARED, (JSPropertyOp) GetRenderTargetProperty, (JSStrictPropertyOp) SetRenderTargetProperty );
    JS_DefineProperty( cx, HandleObject(obj), "autoResize", HandleValue(&v), JSPROP_SHARED, (JSPropertyOp) GetRenderTargetProperty, (JSStrictPropertyOp) SetRenderTargetProperty );
    JS_DefineProperty( cx, HandleObject(obj), "main", HandleValue(&v), JSPROP_SHARED, (JSPropertyOp) GetRenderTargetProperty, (JSStrictPropertyOp) SetRenderTargetProperty );

    GLint w=0;
    GLint h=0;
    bool main=false;

    if ( argc >= 1 ) w=args[0].toInt32();
    if ( argc >= 2 ) h=args[1].toInt32();
    if ( argc >= 3 ) main=args[2].toBoolean();

    RenderTarget *target = new RenderTarget( w, h, main );

    JS_SetPrivate( object, target );
    args.rval().set( OBJECT_TO_JSVAL( object ) );

    //VG.Renderer().addResource(this);

    RootedValue rendererRC(cx); RootedObject global( cx,JS_GetGlobalForObject( cx, object ) );
    bool ok = JS_EvaluateScript( cx, HandleObject( global ), "VG.Renderer()", strlen("VG.Renderer()"), "unknown", 1, MutableHandleValue(&rendererRC) );    
    if ( ok )
    {
        RootedValue objectValue( cx, OBJECT_TO_JSVAL(object) );
        RootedObject renderer(cx, &rendererRC.toObject() ); MutableHandleValue handleValue( &rendererRC );
        ok=Call( cx, HandleObject(renderer), "addResource", HandleValueArray( objectValue ), handleValue );
    }

    return true;
}
Exemple #29
0
void test_spider_monkey()
{
	JSRuntime *rt;
	JSContext *cx;
	JSObject *global;
	JSClass global_class = {
	"global",0,
	JS_PropertyStub,JS_PropertyStub,JS_PropertyStub,JS_PropertyStub,
	JS_EnumerateStub,JS_ResolveStub,JS_ConvertStub,JS_FinalizeStub
	};

	/*
	* You always need:
	*        a runtime per process,
	*        a context per thread,
	*        a global object per context,
	*        standard classes (e.g. Date).
	*/
	rt = JS_NewRuntime(0x100000);
	cx = JS_NewContext(rt, 0x1000);
	global = JS_NewObject(cx, &global_class, NULL, NULL);
	JS_InitStandardClasses(cx, global);

	/*
	* Now suppose script contains some JS to evaluate, say "22/7" as a
	* bad approximation for Math.PI, or something longer, such as this:
	* "(function fact(n){if (n <= 1) return 1; return n * fact(n-1)})(5)"
	* to compute 5!
	*/
	char *script = "...";
	jsval rval;
	JSString *str;
	JSBool ok;

	ok = JS_EvaluateScript(cx, global, script, strlen(script),
	               filename, lineno, &rval);
	str = JS_ValueToString(cx, rval);
	printf("script result: %s\n", JS_GetStringBytes(str));
}
Exemple #30
0
int moduleLoadJS(JSContext *cx, char *moduleName){
	char *fName = NULL;
	fName = (char*)malloc(sizeof (MODULES_DIR) + sizeof(moduleName) + sizeof(JSCRIPT_EXT) + 1);
	if(fName){
		strcpy(fName,MODULES_DIR);
		strcat(fName,moduleName);
		strcat(fName,JSCRIPT_EXT);
		jsval vl;
		char *script = fileToString(fName);
		if(script){
			if(JS_EvaluateScript(cx, JS_GetGlobalObject(cx), script, strlen(script), fName, 0, &vl) == JS_FALSE)
				fprint(stderr,"Error evaluating script %s\n",fName);
		} else {
			fprint(stderr,"Couldn't read script: %s\n",fName);
		}	
		free(fName);
		free(script);
		return 1;
	}
	fprint(stderr,"Error loading Module %s\n",moduleName);
	return FALSE;
}