Example #1
0
void* fxAllocateChunks(txMachine* the, txSize theSize)
{
	txByte* aData;
	txBlock* aBlock;

	if ((theSize < the->minimumChunksSize) && !(the->collectFlag & XS_SKIPPED_COLLECT_FLAG))
		theSize = the->minimumChunksSize;
	theSize += sizeof(txBlock);
	aData = (txByte *)c_malloc(theSize);
	if (!aData)
		fxJump(the);
	aBlock = (txBlock*)aData;
	aBlock->nextBlock = the->firstBlock;
	aBlock->current = aData + sizeof(txBlock);
	aBlock->limit = aData + theSize;
	aBlock->temporary = C_NULL;
	the->firstBlock = aBlock;
	the->maximumChunksSize += theSize;
#if mxReport
	fxReport(the, "# Chunk allocation: reserved %ld used %ld peak %ld bytes\n", 
		the->maximumChunksSize, the->currentChunksSize, the->peakChunksSize);
#endif
#if __FSK_LAYER__
	FskInstrumentedItemSendMessageNormal(the, kFskXSInstrAllocateChunks, the);
#endif

	return aData;
}
Example #2
0
void fxThrow(txMachine* the, txString path, txInteger line)
{
#ifdef mxDebug
	fxDebugThrow(the, path, line, "C: xsThrow");
#endif
	fxJump(the);
}
Example #3
0
void fxThrowMessage(txMachine* the, txString path, txInteger line, txError error, txString format, ...)
{
	char message[128] = "";
	txInteger length = 0;
    va_list arguments;
    txSlot* slot;
	fxBufferFrameName(the, message, sizeof(message), the->frame, ": ");
	length = c_strlen(message);
    va_start(arguments, format);
    vsnprintf(message + length, sizeof(message) - length, format, arguments);
    va_end(arguments);
	if ((error <= XS_NO_ERROR) || (XS_ERROR_COUNT <= error))
		error = XS_UNKNOWN_ERROR;
    
    slot = fxNewSlot(the);
    slot->kind = XS_INSTANCE_KIND;
    slot->value.instance.garbage = C_NULL;
    slot->value.instance.prototype = mxErrorPrototypes(error).value.reference;
	mxException.kind = XS_REFERENCE_KIND;
	mxException.value.reference = slot;
	slot = fxNextStringProperty(the, slot, message, mxID(_message), XS_DONT_ENUM_FLAG);
#ifdef mxDebug
	fxDebugThrow(the, path, line, message);
#endif
	fxJump(the);
}
Example #4
0
txSlot* fxAllocateSlots(txMachine* the, txSize theCount)
{
	txSlot* result;
	
	result = (txSlot *)c_malloc(theCount * sizeof(txSlot));
	if (!result)
		fxJump(the);
	return result;
}
Example #5
0
void fxThrowError(txMachine* the, txError theError)
{
	if ((theError <= XS_NO_ERROR) || (XS_ERROR_COUNT <= theError))
		theError = XS_UNKNOWN_ERROR;
	mxPush(mxErrorPrototypes(theError));	
	fxNewObjectInstance(the);
	mxException = *(the->stack++);
	fxJump(the);
}
Example #6
0
void fxOverflow(txMachine* the, txInteger theCount, txString thePath, txInteger theLine)
{
#if mxBoundsCheck
	txSlot* aStack = the->stack + theCount;
	if (theCount < 0) {
		if (aStack < the->stackBottom) {
			fxReport(the, "stack overflow (%ld)!\n", (the->stack - the->stackBottom) + theCount);
			fxJump(the);
		}
	}
	else if (theCount > 0) {
		if (aStack > the->stackTop) {
			fxReport(the, "stack overflow (%ld)!\n", theCount - (the->stackTop - the->stack));
			fxJump(the);
		}
	}
#endif
}
Example #7
0
void fxThrowMessage(txMachine* the, txError theError, txString theMessage)
{
	if ((theError <= XS_NO_ERROR) || (XS_ERROR_COUNT <= theError))
		theError = XS_UNKNOWN_ERROR;
	mxPush(mxErrorPrototypes(theError));	
	fxNewObjectInstance(the);
	mxPushStringC(theMessage);
	fxQueueID(the, fxID(the, "message"), XS_DONT_ENUM_FLAG);
	mxException = *(the->stack++);
	fxJump(the);
}
Example #8
0
void fx_JSON_parse(txMachine* the)
{
	volatile txJSONParser* aParser = C_NULL;
	txSlot* slot;

	mxTry(the) {
		if (mxArgc < 1)
			mxSyntaxError("no buffer");
		aParser = c_malloc(sizeof(txJSONParser));
		if (NULL == aParser)
			mxUnknownError("out of memory");
		c_memset((txJSONParser*)aParser, 0, sizeof(txJSONParser));
		if (mxArgc > 1) {
			slot = mxArgv(1);
			if (slot->kind == XS_REFERENCE_KIND) {
				slot = slot->value.reference;
				if (slot->next && ((slot->next->kind == XS_CODE_KIND) || (slot->next->kind == XS_CODE_X_KIND) || (slot->next->kind == XS_CALLBACK_KIND)))
					aParser->reviver = slot;
			}
		}
		slot = mxArgv(0);
		if (slot->kind == XS_REFERENCE_KIND) {
			slot = slot->value.reference->next;
			if (slot && (slot->flag & XS_INTERNAL_FLAG) && (slot->kind == XS_HOST_KIND)) {
				aParser->data = slot->value.host.data;
				aParser->offset = 0;
				mxPushSlot(mxArgv(0));
				fxGetID(the, mxID(_length));
				aParser->size = fxToInteger(the, the->stack++);
			}
		}
		if (!aParser->data) {
			fxToString(the, mxArgv(0));
			aParser->slot = mxArgv(0);
			aParser->offset = 0;
			aParser->size = c_strlen(aParser->slot->value.string);
		}
		fxParseJSON(the, (txJSONParser*)aParser);
		mxPullSlot(mxResult);
		c_free((txJSONParser*)aParser);
		// @@ reviver
	}
	mxCatch(the) {
		if (aParser)
			c_free((txJSONParser*)aParser);
		fxJump(the);
	}
}
Example #9
0
void fx_xs_setProfilingDirectory(txMachine* the)
{
	if (the->profileDirectory) {
		c_free(the->profileDirectory);
		the->profileDirectory = C_NULL;
	}
	if (mxArgc > 0) {
		mxPushSlot(mxArgv(0));
		if (fxRunTest(the)) {
			txString aString = fxToString(the, mxArgv(0));
			txInteger aLength = c_strlen(aString) + 1;
			the->profileDirectory = c_malloc(aLength);
			if (!the->profileDirectory)
				fxJump(the);
			c_memcpy(the->profileDirectory, aString, aLength);
		}
	}
}
Example #10
0
void fx_JSON_stringify(txMachine* the)
{
	volatile txJSONSerializer aSerializer;
	mxTry(the) {
		c_memset((txJSONSerializer*)&aSerializer, 0, sizeof(aSerializer));
		fxSerializeJSON(the, (txJSONSerializer*)&aSerializer);
		if (aSerializer.offset) {
			fxSerializeJSONChar(the, (txJSONSerializer*)&aSerializer, 0);
			mxResult->value.string = (txString)fxNewChunk(the, aSerializer.offset);
			c_memcpy(mxResult->value.string, aSerializer.buffer, aSerializer.offset);
			mxResult->kind = XS_STRING_KIND;
		}
		c_free(aSerializer.buffer);
	}
	mxCatch(the) {
		if (aSerializer.buffer)
			c_free(aSerializer.buffer);
		fxJump(the);
	}
}
Example #11
0
void fx_JSON_stringify(txMachine* the)
{
	txSlot* aSlot;
	volatile txJSONSerializer aSerializer;
	txFlag aFlag;
	
	mxTry(the) {
		aSlot = fxGetInstance(the, mxThis);
		if (aSlot->flag & XS_SANDBOX_FLAG)
			the->frame->flag |= XS_SANDBOX_FLAG;
		else
			the->frame->flag |= the->frame->next->flag & XS_SANDBOX_FLAG;
		c_memset((txJSONSerializer*)&aSerializer, 0, sizeof(aSerializer));
		aSerializer.offset = 0;
		aSerializer.size = 1024;
		aSerializer.buffer = c_malloc(1024);
		if (!aSerializer.buffer)
			fxThrowError(the, XS_RANGE_ERROR);
	
		if (mxArgc > 1) {
			aSlot = mxArgv(1);
			if (mxIsReference(aSlot)) {
				aSlot = fxGetInstance(the, aSlot);
				if (mxIsFunction(aSlot))
					aSerializer.replacer = mxArgv(1);
				else if (mxIsArray(aSlot))
					mxDebug0(the, XS_SYNTAX_ERROR, "not yet implememented");
			}
		}
		if (mxArgc > 2) {
			aSlot = mxArgv(2);
			if (mxIsReference(aSlot)) {
				aSlot = fxGetInstance(the, aSlot);
				if (mxIsNumber(aSlot) || mxIsString(aSlot))
					aSlot = aSlot->next;
			}
			if ((aSlot->kind == XS_INTEGER_KIND) || (aSlot->kind == XS_NUMBER_KIND)) {
				txInteger aCount = fxToInteger(the, aSlot), anIndex;
				if (aCount < 0)
					aCount = 0;
				else if (aCount > 10)
					aCount = 10;
				for (anIndex = 0; anIndex < aCount; anIndex++)
					aSerializer.indent[anIndex] = ' ';
			}
			else if (aSlot->kind == XS_STRING_KIND)
				c_strncpy((char *)aSerializer.indent, aSlot->value.string, 10);
		}
	
		aSerializer.stack = the->stack;
		*(--the->stack) = mxObjectPrototype;
		fxNewObjectInstance(the);
		aFlag = 0;
		if (mxArgc > 0)
			*(--the->stack) = *mxArgv(0);
		else
			mxZeroSlot(--the->stack);
		*(--the->stack) = mxEmptyString;
		fxSerializeJSONProperty(the, (txJSONSerializer*)&aSerializer, &aFlag);
		the->stack++;
		
		if (aSerializer.offset) {
			mxResult->value.string = (txString)fxNewChunk(the, aSerializer.offset + 1);
			c_memcpy(mxResult->value.string, aSerializer.buffer, aSerializer.offset);
			mxResult->value.string[aSerializer.offset] = 0;
			mxResult->kind = XS_STRING_KIND;
		}
		c_free(aSerializer.buffer);
	}
	mxCatch(the) {
		if (aSerializer.buffer)
			c_free(aSerializer.buffer);
		fxJump(the);
	}
}
Example #12
0
txMachine* fxCloneMachine(txCreation* theCreation, txMachine* theMachine, txString theName, void* theContext)
{
	txMachine* the = (txMachine *)c_calloc(sizeof(txMachine), 1);
	if (the) {
		txJump aJump;

		aJump.nextJump = C_NULL;
		aJump.stack = C_NULL;
		aJump.scope = C_NULL;
		aJump.frame = C_NULL;
		aJump.code = C_NULL;
		aJump.flag = 0;
		the->firstJump = &aJump;
		if (c_setjmp(aJump.buffer) == 0) {
			txInteger anIndex;
			txSlot* aSlot;
			txSlot** aSlotAddress;
			txSlot* aSharedSlot;
			txSlot* aTemporarySlot;
			txID anID;

		#if __FSK_LAYER__
			FskInstrumentedItemNew(the, theName, &gXSTypeInstrumentation);
		#endif

		#ifdef mxDebug
			the->echoSize = 1 * 1024;
			the->echoBuffer = (txString)c_malloc(the->echoSize);
			if (!the->echoBuffer)
				fxJump(the);
			//fxConnect(the);
			the->name = theName;
			the->sorter = (txSlot**)c_malloc(theCreation->keyCount * sizeof(txSlot*));
			if (!the->sorter)
				fxJump(the);
			the->breakOnExceptionFlag = 1;
		#endif
		#ifdef mxProfile
			the->profileID = theMachine->profileID;
			the->profileBottom = c_malloc(XS_PROFILE_COUNT * sizeof(txProfileRecord));
			if (!the->profileBottom)
				fxJump(the);
			the->profileCurrent = the->profileBottom;
			the->profileTop = the->profileBottom + XS_PROFILE_COUNT;
		#endif

			the->archive = theMachine->archive;

			the->dtoa = fxNew_dtoa();
			if (!the->dtoa)
				fxJump(the);
			theCreation->keyCount = theMachine->keyCount;
			theCreation->nameModulo = theMachine->nameModulo;
			theCreation->symbolModulo = theMachine->symbolModulo;

			fxAllocate(the, theCreation);

			the->sharedMachine = theMachine;

            c_memcpy(the->nameTable, theMachine->nameTable, the->nameModulo * sizeof(txSlot *));
			c_memcpy(the->symbolTable, theMachine->symbolTable, the->symbolModulo * sizeof(txSlot *));
			c_memcpy(the->keyArray, theMachine->keyArray, the->keyCount * sizeof(txSlot *));
			the->keyIndex = theMachine->keyIndex;
			the->keyOffset = the->keyIndex;
		
			the->aliasCount = theMachine->aliasCount;
			the->aliasArray = (txSlot **)c_calloc(the->aliasCount, sizeof(txSlot*));
			if (!the->aliasArray)
				fxJump(the);

			/* mxGlobal */
			fxNewInstance(the);
			aSlot = the->stack->value.reference;
			aSlot->flag = XS_VALUE_FLAG;
			aSlot->next = fxNewSlot(the);
			aSlot = aSlot->next;
			aSlot->value.table.address = (txSlot**)fxNewChunk(the, theCreation->keyCount * sizeof(txSlot*));
			aSlot->value.table.length = theCreation->keyCount;
			aSlot->kind = XS_GLOBAL_KIND;
			c_memset(aSlot->value.table.address, 0, theCreation->keyCount * sizeof(txSlot*));
			aSlotAddress = aSlot->value.table.address;
			aSharedSlot = theMachine->stackTop[-1].value.reference->next->next;
			while (aSharedSlot) {
				aSlot->next = aTemporarySlot = fxDuplicateSlot(the, aSharedSlot);
				anID = aTemporarySlot->ID & 0x7FFF;
				aSlotAddress[anID] = aTemporarySlot;
				aSharedSlot = aSharedSlot->next;
				aSlot = aSlot->next;
			}
			/* mxException */
			mxPushUndefined();
			for (anIndex = mxObjectPrototypeStackIndex; anIndex < mxModulePathsStackIndex; anIndex++)
				*(--the->stack) = theMachine->stackTop[-1 - anIndex];
			
			/* mxModulePaths */
			mxPushUndefined();
			/* mxImportingModules */
			fxNewInstance(the);
			/* mxLoadingModules */
			fxNewInstance(the);
			/* mxLoadedModules */
			fxNewInstance(the);
			/* mxResolvingModules */
			fxNewInstance(the);
			/* mxRunningModules */
			fxNewInstance(the);
			/* mxRequiredModules */
			fxNewInstance(the);
			/* mxModules */
			mxPushUndefined();
			/* mxPendingJobs */
			fxNewInstance(the);
			/* mxRunningJobs */
			fxNewInstance(the);
			/* mxFiles */
			mxPushList();
		#ifdef mxDebug
			aSharedSlot = theMachine->stackTop[-1 - mxFilesStackIndex].value.list.first;
			aSlotAddress = &(the->stack->value.list.first);
			while (aSharedSlot) {
				*aSlotAddress = fxDuplicateSlot(the, aSharedSlot);
				aSharedSlot = aSharedSlot->next;
				aSlotAddress = &((*aSlotAddress)->next);
			}
		#endif
			/* mxBreakpoints */
			mxPushList();
			/* shared */
			for (anIndex = mxHostsStackIndex; anIndex < mxStackIndexCount; anIndex++)
				*(--the->stack) = theMachine->stackTop[-1 - anIndex];
			
			mxPush(mxSetPrototype);
			fxNewSetInstance(the);
			mxPull(mxModulePaths);
			
			mxPush(mxObjectPrototype);
			fxNewWeakSetInstance(the);
			mxPull(mxModules);

			the->collectFlag = XS_COLLECTING_FLAG;
			the->context = theContext;

		#ifdef mxDebug
			if (fxGetAutomatic(the))
				fxLogin(the);
		#endif

			the->firstJump = C_NULL;

		}
		else {
		#if __FSK_LAYER__
			FskInstrumentedItemDispose(the);
		#endif

			fxFree(the);
			c_free(the);
			the = NULL;
		}
	}
	return the;
}
Example #13
0
txMachine* fxCreateMachine(txCreation* theCreation, void* theArchive, txString theName, void* theContext)
{
	txMachine* the = (txMachine* )c_calloc(sizeof(txMachine), 1);
	if (the) {
		txJump aJump;

		aJump.nextJump = C_NULL;
		aJump.stack = C_NULL;
		aJump.scope = C_NULL;
		aJump.frame = C_NULL;
		aJump.code = C_NULL;
		aJump.flag = 0;
		the->firstJump = &aJump;
		if (c_setjmp(aJump.buffer) == 0) {
			txInteger anIndex;

		#if __FSK_LAYER__
			FskInstrumentedItemNew(the, NULL, &gXSTypeInstrumentation);
		#endif

		#ifdef mxDebug
			the->echoSize = 1 * 1024;
			the->echoBuffer = (txString)c_malloc(the->echoSize);
			if (!the->echoBuffer)
				fxJump(the);
			//fxConnect(the);
			the->connection = mxNoSocket;
			the->name = theName;
			the->sorter = (txSlot**)c_malloc(theCreation->keyCount * sizeof(txSlot*));
			if (!the->sorter)
				fxJump(the);
			the->breakOnExceptionFlag = 1;
		#endif
		#ifdef mxProfile
			the->profileID = 1;
			the->profileBottom = c_malloc(XS_PROFILE_COUNT * sizeof(txProfileRecord));
			if (!the->profileBottom)
				fxJump(the);
			the->profileCurrent = the->profileBottom;
			the->profileTop = the->profileBottom + XS_PROFILE_COUNT;
		#endif

			the->archive = theArchive;
			
			the->dtoa = fxNew_dtoa();
			if (!the->dtoa)
				fxJump(the);
				
			fxAllocate(the, theCreation);

			/* mxGLobal */
			mxPushUndefined();
			/* mxException */
			mxPushUndefined();
			for (anIndex = mxObjectPrototypeStackIndex; anIndex < mxModulePathsStackIndex; anIndex++)
				mxPushUndefined();
			/* mxModulePaths */
			mxPushUndefined();
			/* mxImportingModules */
			fxNewInstance(the);
			/* mxLoadingModules */
			fxNewInstance(the);
			/* mxLoadedModules */
			fxNewInstance(the);
			/* mxResolvingModules */
			fxNewInstance(the);
			/* mxRunningModules */
			fxNewInstance(the);
			/* mxRequiredModules */
			fxNewInstance(the);
			/* mxModules */
			mxPushUndefined();
			/* mxPendingJobs */
			fxNewInstance(the);
			/* mxRunningJobs */
			fxNewInstance(the);
			/* mxFiles */
			mxPushList();
			/* mxBreakpoints */
			mxPushList();
			
			/* mxHosts */
			mxPushUndefined();
			/* mxIDs */
			mxPushUndefined();
			/* mxEmptyCode */
			mxPushUndefined();
			the->stack->value.code = (txByte *)fxNewChunk(the, sizeof(gxNoCode));
			c_memcpy(the->stack->value.code, gxNoCode, sizeof(gxNoCode));
			the->stack->kind = XS_CODE_KIND;	
			/* mxEmptyString */
			mxPushStringC("");
			/* mxBooleanString */
			mxPushStringC("boolean");
			/* mxDefaultString */
			mxPushStringC("default");
			/* mxFunctionString */
			mxPushStringC("function");
			/* mxNumberString */
			mxPushStringC("number");
			/* mxObjectString */
			mxPushStringC("object");
			/* mxStringString */
			mxPushStringC("string");
			/* mxSymbolString */
			mxPushStringC("symbol");
			/* mxUndefinedString */
			mxPushStringC("undefined");
			for (anIndex = mxGetArgumentFunctionStackIndex; anIndex < mxStackIndexCount; anIndex++) 
				mxPushUndefined();
			
			fxBuildKeys(the);
			fxBuildGlobal(the);
			fxBuildObject(the);
			fxBuildFunction(the);
			fxBuildGenerator(the);
			fxBuildArray(the);
			fxBuildString(the);
			fxBuildBoolean(the);
			fxBuildNumber(the);
			fxBuildDate(the);
			fxBuildMath(the);
			fxBuildRegExp(the);
			fxBuildError(the);
			fxBuildJSON(the);
			fxBuildDataView(the);
			fxBuildPromise(the);
			fxBuildSymbol(the);
			fxBuildProxy(the);
			fxBuildMapSet(the);
			fxBuildModule(the);
			fxBuildHost(the);
			
			mxPush(mxSetPrototype);
			fxNewSetInstance(the);
			mxPull(mxModulePaths);
			
			mxPush(mxObjectPrototype);
			fxNewWeakSetInstance(the);
			mxPull(mxModules);
			
            the->collectFlag = XS_COLLECTING_FLAG;
			
            /*{
				int c = 32;
				while (--c)
					fxCollectGarbage(the);
			}*/
			the->context = theContext;

		#ifdef mxDebug
			if (fxGetAutomatic(the))
				fxLogin(the);
		#endif

			the->firstJump = C_NULL;
		}
		else {
		#if __FSK_LAYER__
			FskInstrumentedItemDispose(the);
		#endif
			fxFree(the);
			c_free(the);
			the = NULL;
		}
	}
	return the;
}
Example #14
0
void fx_Array_from(txMachine* the)
{
	txSlot* list = fxNewInstance(the);
	txSlot* item = list;
	txIndex count = 0;
	txIndex index;
	txSlot* function = C_NULL;
	txSlot* _this = C_NULL;
	txSlot* resultArray;
	txSlot* resultSlot;
	if (mxArgc > 2)
		_this = mxArgv(2);
	if (mxArgc > 1) {
		txSlot* slot = mxArgv(1);
		if (slot->kind == XS_REFERENCE_KIND) {
			slot = slot->value.reference;
			if ((slot->next->kind == XS_CODE_KIND) || (slot->next->kind == XS_CALLBACK_KIND))
				function = slot;
		}
	}
	if (mxArgc > 0) {
		mxPushSlot(mxArgv(0));
		if (fxHasID(the, mxID(_Symbol_iterator))) {
			txSlot* iterator;
			txSlot* result;
			mxPushInteger(0);
			mxPushSlot(mxArgv(0));
			fxCallID(the, mxID(_Symbol_iterator));
			iterator = the->stack;
			{
				mxTry(the) {
					count = 0;
					for(;;) {
						mxCallID(iterator, mxID(_next), 0);
						result = the->stack;
						mxGetID(result, mxID(_done));
						if (fxToBoolean(the, the->stack))
							break;
						the->stack++;
						mxGetID(result, mxID(_value));
						if (function) {
							/* ARG1 */
							mxPushInteger(count);
							/* ARGC */
							mxPushInteger(2);
							/* THIS */
							if (_this)
								mxPushSlot(_this);
							else
								mxPushUndefined();
							/* FUNCTION */
							mxPushReference(function);
							fxCall(the);
						}
						item = fxNextSlotProperty(the, item, the->stack, XS_NO_ID, XS_NO_FLAG);
						the->stack++;
						count++;
					}
				}
				mxCatch(the) {
					mxCallID(iterator, mxID(_return), 0);
					fxJump(the);
				}
			}
			the->stack++;
		}
		else {