JSRuntime

java.lang.Object
- com.oracle.truffle.js.runtime.JSRuntime

public final class JSRuntime
extends Object

Field Summary

Fields
Modifier and Type	Field and Description
`static com.oracle.truffle.api.strings.TruffleString`	`DONE`
`static com.oracle.truffle.api.object.HiddenKey`	`ENUMERATE_ITERATOR_ID`
`static long`	`INVALID_ARRAY_INDEX`
`static long`	`INVALID_INTEGER_INDEX`
`static long`	`INVALID_SAFE_INTEGER`
`static int`	`ITERATION_KIND_KEY`
`static int`	`ITERATION_KIND_KEY_PLUS_VALUE`
`static int`	`ITERATION_KIND_VALUE`
`static long`	`MAX_ARRAY_LENGTH`
`static long`	`MAX_BIG_INT_EXPONENT`
`static int`	`MAX_INTEGER_INDEX_DIGITS`
`static double`	`MAX_SAFE_INTEGER`
`static int`	`MAX_SAFE_INTEGER_DIGITS`
`static int`	`MAX_SAFE_INTEGER_IN_FLOAT`
`static long`	`MAX_SAFE_INTEGER_LONG`
`static int`	`MAX_UINT32_DIGITS`
`static double`	`MIN_SAFE_INTEGER`
`static int`	`MIN_SAFE_INTEGER_IN_FLOAT`
`static long`	`MIN_SAFE_INTEGER_LONG`
`static com.oracle.truffle.api.strings.TruffleString`	`NEXT`
`static double`	`TWO32`
`static com.oracle.truffle.api.strings.TruffleString`	`VALUE`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static boolean`	`arrayIndexLengthInRange(com.oracle.truffle.api.strings.TruffleString indexStr)`
`static int`	`booleanToNumber(boolean value)`
`static com.oracle.truffle.api.strings.TruffleString`	`booleanToString(boolean value)`
`static Object`	`call(Object fnObj, Object holder, Object[] arguments)` ES2015 7.3.12 Call(F, V, arguments).
`static Object`	`call(Object fnObj, Object holder, Object[] arguments, com.oracle.truffle.api.nodes.Node encapsulatingNode)`
`static Object`	`canonicalNumericIndexString(com.oracle.truffle.api.strings.TruffleString s)` ES2015, 7.1.16 CanonicalNumericIndexString().
`static long`	`castArrayIndex(double doubleValue)`
`static long`	`castArrayIndex(long longValue)`
`static com.oracle.truffle.api.strings.TruffleString`	`collectionToConsoleString(JSDynamicObject obj, boolean allowSideEffects, ToDisplayStringFormat format, com.oracle.truffle.api.strings.TruffleString name, JSHashMap map, int depth)`
`static int`	`comparePropertyKeys(Object key1, Object key2)` Compare property keys such that a stable sort using it would maintain the following order.
`static Object`	`construct(Object fnObj, Object[] arguments)`
`static JSDynamicObject`	`createArrayFromList(JSContext context, JSRealm realm, List<? extends Object> list)` ES2016 7.3.16 CreateArrayFromList(elements).
`static boolean`	`createDataProperty(JSDynamicObject o, Object p, Object v)` ES2015, 7.3.4 CreateDataProperty(O, P, V).
`static boolean`	`createDataProperty(JSDynamicObject o, Object p, Object v, boolean doThrow)`
`static boolean`	`createDataPropertyOrThrow(JSDynamicObject o, Object p, Object v)` ES2015, 7.3.6 CreateDataPropertyOrThrow(O, P, V).
`static List<Object>`	`createListFromArrayLikeAllowSymbolString(Object obj)`
`static void`	`createNonEnumerableDataPropertyOrThrow(JSDynamicObject o, Object p, Object v)` Error Cause 7.3.6 CreateNonEnumerableDataPropertyOrThrow(O, P, V).
`static void`	`definePropertyOrThrow(JSDynamicObject o, Object key, PropertyDescriptor desc)` ES2016, 7.3.7 DefinePropertyOrThrow(O, P, desc).
`static boolean`	`doubleIsRepresentableAsInt(double d)`
`static boolean`	`doubleIsRepresentableAsInt(double d, boolean ignoreNegativeZero)`
`static boolean`	`doubleIsRepresentableAsLong(double d)`
`static boolean`	`doubleIsRepresentableAsUnsignedInt(double d, boolean ignoreNegativeZero)`
`static Number`	`doubleToNarrowestNumber(double d)`
`static com.oracle.truffle.api.strings.TruffleString`	`doubleToString(double d)` 9.8.1 ToString Applied to the Number Type.
`static Object`	`doubleToString(double d, int radix)`
`static double`	`doubleValue(Number number)`
`static double`	`doubleValue(Number number, com.oracle.truffle.api.profiles.BranchProfile profile)`
`static double`	`doubleValueVirtual(Number number)`
`static boolean`	`equal(Object a, Object b)`
`static JSDynamicObject`	`expectJSObject(Object to, com.oracle.truffle.api.profiles.BranchProfile errorBranch)`
`static Object`	`exportValue(Object value)` Convert the value to a type valid in Truffle Interop.
`static Object[]`	`exportValueArray(Object[] arr)`
`static List<Object>`	`filterPrivateSymbols(List<Object> list)`
`static int`	`firstExpIndexInString(com.oracle.truffle.api.strings.TruffleString str)` Returns the first index of a String that contains either 'e' or 'E'.
`static int`	`firstNonWhitespaceIndex(com.oracle.truffle.api.strings.TruffleString string, com.oracle.truffle.api.strings.TruffleString.ReadCharUTF16Node charAtNode)`
`static float`	`floatValue(Number n)`
`static float`	`floatValueVirtual(Number n)`
`static int`	`floorMod(long x, int y)`
`static String`	`formatDtoA(double value)`
`static Object`	`formatDtoA(double d, int radix)`
`static Object`	`formatDtoAExponential(double d)`
`static Object`	`formatDtoAExponential(double d, int digits)`
`static Object`	`formatDtoAFixed(double value, int digits)`
`static Object`	`formatDtoAPrecision(double value, int precision)`
`static JSDynamicObject`	`fromPropertyDescriptor(PropertyDescriptor desc, JSContext context)`
`static Object`	`get(Object obj, long index)`
`static Object`	`get(Object obj, Object key)`
`static Object`	`getArg(Object[] args, int i, Object defaultValue)`
`static Object`	`getArgOrUndefined(Object[] args, int i)`
`static Object`	`getBufferElementDirect(ByteBufferAccess bufferAccess, ByteBuffer buffer, TypedArray.ElementType elementType, int index)`
`static com.oracle.truffle.api.strings.TruffleString`	`getConstructorName(JSDynamicObject receiver)` Carefully try getting the constructor name, must not throw.
`static Object`	`getDataProperty(JSDynamicObject thisObj, Object key)`
`static GraalJSException`	`getException(Object errorObject)`
`static JSRealm`	`getFunctionRealm(Object obj, JSRealm currentRealm)`
`static IteratorRecord`	`getIterator(Object iteratedObject)`
`static int`	`getOffset(int start, int length, com.oracle.truffle.api.nodes.Node node, com.oracle.truffle.api.profiles.InlinedConditionProfile profile)`
`static long`	`getOffset(long start, long length, com.oracle.truffle.api.nodes.Node node, com.oracle.truffle.api.profiles.InlinedConditionProfile profile)`
`static boolean`	`hasProperty(Object obj, Object key)`
`static boolean`	`identical(Object a, Object b)`
`static double`	`identifyInfinity(char firstChar, int len)`
`static Object`	`importValue(Object value)` Convert the value to a type valid in Graal.js, from something received via TruffleInterop.
`static boolean`	`intIsRepresentableAsFloat(int value)`
`static int`	`intValue(Number number)`
`static int`	`intValueVirtual(Number number)`
`static boolean`	`isArray(Object obj)` ES2015 7.2.2 IsArray(argument).
`static boolean`	`isArrayIndex(double doubleValue)`
`static boolean`	`isArrayIndex(int intValue)`
`static boolean`	`isArrayIndex(long longValue)`
`static boolean`	`isArrayIndex(Object property)`
`static boolean`	`isArrayIndexString(com.oracle.truffle.api.strings.TruffleString property)`
`static boolean`	`isAsciiDigit(int c)`
`static boolean`	`isBigInt(Object value)`
`static boolean`	`isCallable(Object value)` ES2015 7.2.3 IsCallable(argument).
`static boolean`	`isCallableForeign(Object value)`
`static boolean`	`isCallableIsJSObject(JSDynamicObject value)`
`static boolean`	`isCallableProxy(JSDynamicObject proxy)`
`static boolean`	`isConstructor(Object constrObj)` ES2016 7.2.4 IsConstructor().
`static boolean`	`isConstructorForeign(Object value)`
`static boolean`	`isConstructorProxy(JSDynamicObject constrObj)`
`static boolean`	`isForeignObject(Object value)`
`static boolean`	`isForeignObject(com.oracle.truffle.api.interop.TruffleObject value)`
`static boolean`	`isGenerator(Object genObj)`
`static boolean`	`isGeneratorProxy(JSDynamicObject genObj)`
`static boolean`	`isHex(char c)`
`static boolean`	`isInteger(Object obj)` ES2015, 7.2.6 IsInteger.
`static boolean`	`isIntegerIndex(long longValue)`
`static boolean`	`isIntegralNumber(double arg)`
`static boolean`	`isJavaNumber(Object value)`
`static boolean`	`isJavaPrimitive(Object value)`
`static boolean`	`isJSFunctionRootNode(com.oracle.truffle.api.nodes.RootNode rootNode)`
`static boolean`	`isJSNative(Object value)` Is value a native JavaScript object or primitive?
`static boolean`	`isJSPrimitive(Object value)`
`static boolean`	`isJSRootNode(com.oracle.truffle.api.nodes.RootNode rootNode)`
`static boolean`	`isLineTerminator(char codePoint)`
`static boolean`	`isNaN(Object value)`
`static boolean`	`isNegativeZero(double d)`
`static boolean`	`isNullish(Object value)` Returns whether `value` is JS `null` or `undefined` or a foreign null.
`static boolean`	`isNullOrUndefined(Object value)` Returns whether `value` is JS `null` or `undefined`.
`static boolean`	`isNumber(Object value)`
`static boolean`	`isObject(Object value)` Returns whether object is a JSObject.
`static boolean`	`isPositiveInfinity(double d)`
`static boolean`	`isPrivateSymbol(Object key)`
`static boolean`	`isPropertyKey(Object key)`
`static boolean`	`isPrototypeOf(JSDynamicObject object, JSDynamicObject prototype)`
`static boolean`	`isProxyAnArray(JSDynamicObject proxy)`
`static boolean`	`isRepresentableAsUnsignedInt(long value)`
`static boolean`	`isSafeInteger(double value)`
`static boolean`	`isSafeInteger(long value)`
`static boolean`	`isSameValue(Object x, Object y)` 9.12 SameValue Algorithm.
`static boolean`	`isStringClass(Class<?> clazz)`
`static boolean`	`isValidArrayLength(double doubleValue)`
`static boolean`	`isValidArrayLength(int intValue)`
`static boolean`	`isValidArrayLength(long longValue)` Checks whether a long value is within the valid range of array lengths.
`static boolean`	`isWhiteSpaceExcludingLineTerminator(char cp)` WhiteSpace (excluding LineTerminator).
`static boolean`	`isWhiteSpaceOrLineTerminator(char cp)` Union of WhiteSpace and LineTerminator (StrWhiteSpaceChar).
`static void`	`iteratorClose(Object iterator)`
`static Object`	`iteratorStep(IteratorRecord iteratorRecord)`
`static Object`	`iteratorValue(Object iterator)`
`static String`	`javaToString(Object obj)`
`static Object`	`jsObjectToJavaObject(Object obj)`
`static int`	`lastNonWhitespaceIndex(com.oracle.truffle.api.strings.TruffleString string, com.oracle.truffle.api.strings.TruffleString.ReadCharUTF16Node charAtNode)`
`static boolean`	`longFitsInDouble(long l)`
`static boolean`	`longIsRepresentableAsInt(long value)`
`static Number`	`longToIntOrDouble(long value)`
`static long`	`longValue(Number n)`
`static Object`	`nullToUndefined(Object value)`
`static String`	`numberToJavaString(Number number)`
`static com.oracle.truffle.api.strings.TruffleString`	`numberToString(Number number)`
`static com.oracle.truffle.api.strings.TruffleString`	`objectToDisplayString(JSDynamicObject obj, boolean allowSideEffects, ToDisplayStringFormat format, int depth, com.oracle.truffle.api.strings.TruffleString name)`
`static com.oracle.truffle.api.strings.TruffleString`	`objectToDisplayString(JSDynamicObject obj, boolean allowSideEffects, ToDisplayStringFormat format, int depth, com.oracle.truffle.api.strings.TruffleString name, com.oracle.truffle.api.strings.TruffleString[] internalKeys, Object[] internalValues)`
`static long`	`parseArrayIndexIsIndexRaw(Object o)`
`static long`	`parseArrayIndexRaw(com.oracle.truffle.api.strings.TruffleString string, com.oracle.truffle.api.strings.TruffleString.ReadCharUTF16Node charAtNode)` NB: does not check whether the result fits into the uint32 range.
`static double`	`parseDoubleOrNaN(com.oracle.truffle.api.strings.TruffleString input)` Like `Double.parseDouble(String)`, but does not allow trailing `d` or `f`.
`static double`	`parseRawDontFitLong(com.oracle.truffle.api.strings.TruffleString string, int radix, int startPos, int endPos, boolean negate)`
`static Number`	`parseRawFitsLong(com.oracle.truffle.api.strings.TruffleString string, int radix, int startPos, int endPos, boolean negate)`
`static long`	`parseSafeInteger(com.oracle.truffle.api.strings.TruffleString s)`
`static long`	`parseSafeInteger(com.oracle.truffle.api.strings.TruffleString s, int beginIndex, int endIndex, int radix)`
`static Object`	`positiveLongToIntOrDouble(long value)`
`static boolean`	`propertyKeyEquals(com.oracle.truffle.api.strings.TruffleString.EqualNode equalsNode, Object a, Object b)`
`static long`	`propertyKeyToArrayIndex(Object propertyKey)`
`static com.oracle.truffle.api.strings.TruffleString`	`propertyKeyToFunctionNameString(Object key)`
`static long`	`propertyKeyToIntegerIndex(Object propertyKey)`
`static long`	`propertyNameToArrayIndex(com.oracle.truffle.api.strings.TruffleString propertyName, com.oracle.truffle.api.strings.TruffleString.ReadCharUTF16Node charAtNode)`
`static long`	`propertyNameToIntegerIndex(com.oracle.truffle.api.strings.TruffleString propertyName)`
`static String`	`quote(String value)`
`static com.oracle.truffle.api.strings.TruffleString`	`quote(com.oracle.truffle.api.strings.TruffleString value)`
`static <T> T`	`requireObjectCoercible(T argument)` Implementation of the abstract operation RequireObjectCoercible.
`static <E extends Throwable> RuntimeException`	`rethrow(Throwable ex)`
`static com.oracle.truffle.api.strings.TruffleString`	`safeToString(Object value)`
`static void`	`setBufferElementDirect(ByteBufferAccess bufferAccess, ByteBuffer buffer, TypedArray.ElementType elementType, int index, Object value)`
`static String`	`stringConcat(String first, String second)` Concatenate two strings, preallocating the buffer with the exact length of the result.
`static BigInt`	`stringToBigInt(com.oracle.truffle.api.strings.TruffleString s)`
`static Number`	`stringToNumber(com.oracle.truffle.api.strings.TruffleString string)` Implementation of ECMA 9.3.1 "ToNumber Applied to the String Type".
`static BigInt`	`toBigInt(Object value)`
`static boolean`	`toBoolean(Number number)`
`static boolean`	`toBoolean(Object value)` Implementation of ECMA 9.2 "ToBoolean".
`static com.oracle.truffle.api.strings.TruffleString`	`toDisplayString(Object value, boolean allowSideEffects)`
`static com.oracle.truffle.api.strings.TruffleString`	`toDisplayString(Object value, boolean allowSideEffects, ToDisplayStringFormat format)`
`static com.oracle.truffle.api.strings.TruffleString`	`toDisplayStringImpl(Object value, boolean allowSideEffects, ToDisplayStringFormat format, int depth, Object parent)` Converts the value to a String that can be printed on the console and used in error messages.
`static com.oracle.truffle.api.strings.TruffleString`	`toDisplayStringInner(Object value, boolean allowSideEffects, ToDisplayStringFormat format, int currentDepth, Object parent)`
`static double`	`toDouble(Number value)` ToDouble for Numbers.
`static double`	`toDouble(Object value)` Non-standard "ToDouble" utility function.
`static int`	`toInt16(long number)`
`static int`	`toInt16(Number number)`
`static int`	`toInt16(Object value)` Implementation of ECMA 7.1.7 "ToInt16".
`static int`	`toInt32(double value)`
`static int`	`toInt32(Number number)` Convert JS number to int32.
`static int`	`toInt32(Object value)` Implementation of ECMA 9.5 "ToInt32".
`static int`	`toInt32NoTruncate(double value)`
`static int`	`toInt8(long number)`
`static int`	`toInt8(Number number)`
`static int`	`toInt8(Object value)` Implementation of ECMA 7.1.9 "ToInt8".
`static long`	`toInteger(Number number)`
`static long`	`toInteger(Object value)` Implementation of ECMA 9.4 "ToInteger".
`static Object`	`toJavaNull(Object value)`
`static String`	`toJavaString(Object value)`
`static Object`	`toJSNull(Object value)`
`static double`	`toLength(double d)`
`static int`	`toLength(int value)`
`static long`	`toLength(long l)`
`static long`	`toLength(Object value)` Implementation of ECMAScript6 7.1.15 "ToLength".
`static long`	`toLong(Number value)` Convert JS number to long.
`static Number`	`toNumber(Object value)` Implementation of ECMA 9.3 "ToNumber".
`static Object`	`toNumeric(Object value)`
`static Object`	`toObject(Object value)` Implementation of ECMA 9.9 "ToObject".
`static Object`	`toPrimitive(Object value)` Implementation of ECMA 7.1.1 "ToPrimitive", with NO hint given.
`static Object`	`toPrimitive(Object value, JSToPrimitiveNode.Hint hint)` Implementation of ECMA 7.1.1 "ToPrimitive".
`static Object`	`toPrimitiveFromForeign(Object tObj, JSToPrimitiveNode.Hint hint)` Converts a foreign object to a primitive value.
`static PropertyDescriptor`	`toPropertyDescriptor(Object property)` Implementation of the ToPropertyDescriptor function as defined in ECMA 8.10.5.
`static Object`	`toPropertyKey(Object arg)` ES2015 7.1.14 ToPropertyKey(argument).
`static com.oracle.truffle.api.strings.TruffleString`	`toString(JSDynamicObject value)`
`static com.oracle.truffle.api.strings.TruffleString`	`toString(Object value)` The abstract operation ToString.
`static com.oracle.truffle.api.strings.TruffleString`	`toStringIsString(Object value)`
`static int`	`toUInt16(long number)`
`static int`	`toUInt16(Number number)`
`static int`	`toUInt16(Object value)` Implementation of ECMA 9.7 "ToUInt16".
`static long`	`toUInt32(double value)`
`static Number`	`toUint32(int value)`
`static long`	`toUInt32(long value)`
`static long`	`toUInt32(Number number)`
`static long`	`toUInt32(Object value)` Implementation of ECMA 9.6 "ToUInt32".
`static long`	`toUInt32NoTruncate(double value)`
`static int`	`toUInt8(long number)`
`static int`	`toUInt8(Number number)`
`static int`	`toUInt8(Object value)` Implementation of ECMA 7.1.10 "ToUInt8".
`static com.oracle.truffle.api.strings.TruffleString`	`trimJSWhiteSpace(com.oracle.truffle.api.strings.TruffleString string)`
`static double`	`truncateDouble(double value)`
`static com.oracle.truffle.api.strings.TruffleString`	`typeof(Object value)`
`static Object`	`undefinedToNull(Object value)`
`static int`	`valueInHex(char c)`
`static int`	`valueInRadix(char c, int radix)`
`static int`	`valueInRadix10(char c)`

Methods inherited from class java.lang.Object
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

TWO32
```
public static final double TWO32
```
See Also:

Constant Field Values

INVALID_ARRAY_INDEX
```
public static final long INVALID_ARRAY_INDEX
```
See Also:

Constant Field Values

MAX_ARRAY_LENGTH
```
public static final long MAX_ARRAY_LENGTH
```
See Also:

Constant Field Values

MAX_UINT32_DIGITS
```
public static final int MAX_UINT32_DIGITS
```
See Also:

Constant Field Values

MAX_SAFE_INTEGER

public static final double MAX_SAFE_INTEGER

MIN_SAFE_INTEGER

public static final double MIN_SAFE_INTEGER

MAX_SAFE_INTEGER_LONG

public static final long MAX_SAFE_INTEGER_LONG

MIN_SAFE_INTEGER_LONG

public static final long MIN_SAFE_INTEGER_LONG

INVALID_INTEGER_INDEX
```
public static final long INVALID_INTEGER_INDEX
```
See Also:

Constant Field Values

MAX_INTEGER_INDEX_DIGITS
```
public static final int MAX_INTEGER_INDEX_DIGITS
```
See Also:

Constant Field Values

MAX_SAFE_INTEGER_DIGITS
```
public static final int MAX_SAFE_INTEGER_DIGITS
```
See Also:

Constant Field Values

MAX_SAFE_INTEGER_IN_FLOAT
```
public static final int MAX_SAFE_INTEGER_IN_FLOAT
```
See Also:

Constant Field Values

MIN_SAFE_INTEGER_IN_FLOAT
```
public static final int MIN_SAFE_INTEGER_IN_FLOAT
```
See Also:

Constant Field Values

MAX_BIG_INT_EXPONENT
```
public static final long MAX_BIG_INT_EXPONENT
```
See Also:

Constant Field Values

INVALID_SAFE_INTEGER
```
public static final long INVALID_SAFE_INTEGER
```
See Also:

Constant Field Values

VALUE

public static final com.oracle.truffle.api.strings.TruffleString VALUE

DONE

public static final com.oracle.truffle.api.strings.TruffleString DONE

public static final com.oracle.truffle.api.strings.TruffleString NEXT

ENUMERATE_ITERATOR_ID

public static final com.oracle.truffle.api.object.HiddenKey ENUMERATE_ITERATOR_ID

ITERATION_KIND_KEY
```
public static final int ITERATION_KIND_KEY
```
See Also:

Constant Field Values

ITERATION_KIND_VALUE
```
public static final int ITERATION_KIND_VALUE
```
See Also:

Constant Field Values

ITERATION_KIND_KEY_PLUS_VALUE
```
public static final int ITERATION_KIND_KEY_PLUS_VALUE
```
See Also:

Constant Field Values

Method Detail

doubleIsRepresentableAsInt

public static boolean doubleIsRepresentableAsInt(double d)

doubleIsRepresentableAsInt

public static boolean doubleIsRepresentableAsInt(double d,
                                                 boolean ignoreNegativeZero)

doubleIsRepresentableAsUnsignedInt

public static boolean doubleIsRepresentableAsUnsignedInt(double d,
                                                         boolean ignoreNegativeZero)

isNegativeZero

public static boolean isNegativeZero(double d)

isPositiveInfinity

public static boolean isPositiveInfinity(double d)

doubleToNarrowestNumber

public static Number doubleToNarrowestNumber(double d)

longIsRepresentableAsInt

public static boolean longIsRepresentableAsInt(long value)

isRepresentableAsUnsignedInt

public static boolean isRepresentableAsUnsignedInt(long value)

doubleIsRepresentableAsLong

public static boolean doubleIsRepresentableAsLong(double d)

positiveLongToIntOrDouble

public static Object positiveLongToIntOrDouble(long value)

longToIntOrDouble

public static Number longToIntOrDouble(long value)

longFitsInDouble

public static boolean longFitsInDouble(long l)

isNaN

public static boolean isNaN(Object value)

typeof

public static com.oracle.truffle.api.strings.TruffleString typeof(Object value)

isObject
```
public static boolean isObject(Object value)
```
Returns whether object is a JSObject. JS-Null and JS-Undefined are not considered objects.

isNullOrUndefined

public static boolean isNullOrUndefined(Object value)

Returns whether value is JS null or undefined.

isNullish
```
public static boolean isNullish(Object value)
```
Returns whether value is JS null or undefined or a foreign null.

toPrimitive
```
public static Object toPrimitive(Object value)
```
Implementation of ECMA 7.1.1 "ToPrimitive", with NO hint given.

Parameters:

value - an Object to be converted to a primitive value

Returns:

an Object representing the primitive value of the parameter

toPrimitive
```
public static Object toPrimitive(Object value,
                                 JSToPrimitiveNode.Hint hint)
```
Implementation of ECMA 7.1.1 "ToPrimitive".

Parameters:

value - an Object to be converted to a primitive value

hint - the preferred type of primitive to return ("number", "string" or "default")

Returns:

an Object representing the primitive value of the parameter

See Also:

JSToPrimitiveNode

toPrimitiveFromForeign

public static Object toPrimitiveFromForeign(Object tObj,
                                            JSToPrimitiveNode.Hint hint)

Converts a foreign object to a primitive value.

toBoolean
```
public static boolean toBoolean(Object value)
```
Implementation of ECMA 9.2 "ToBoolean".

Parameters:

value - an Object to be converted to a Boolean

Returns:

an Object representing the primitive value of the parameter

toBoolean

public static boolean toBoolean(Number number)

toNumber
```
public static Number toNumber(Object value)
```
Implementation of ECMA 9.3 "ToNumber".

Parameters:

value - an Object to be converted to a Number

Returns:

an Object representing the Number value of the parameter

toNumeric

public static Object toNumeric(Object value)

booleanToNumber

public static int booleanToNumber(boolean value)

isNumber

public static boolean isNumber(Object value)

toBigInt

public static BigInt toBigInt(Object value)

isBigInt

public static boolean isBigInt(Object value)

isJavaNumber

public static boolean isJavaNumber(Object value)

stringToNumber
```
public static Number stringToNumber(com.oracle.truffle.api.strings.TruffleString string)
```
Implementation of ECMA 9.3.1 "ToNumber Applied to the String Type".

Parameters:

string -

Returns:

a Number

parseDoubleOrNaN
```
public static double parseDoubleOrNaN(com.oracle.truffle.api.strings.TruffleString input)
```
Like Double.parseDouble(String), but does not allow trailing d or f.

Returns:

double value or Double.NaN if not parsable.

firstExpIndexInString

public static int firstExpIndexInString(com.oracle.truffle.api.strings.TruffleString str)

Returns the first index of a String that contains either 'e' or 'E'.

identifyInfinity

public static double identifyInfinity(char firstChar,
                                      int len)

toInteger
```
public static long toInteger(Object value)
```
Implementation of ECMA 9.4 "ToInteger".

Parameters:

value - an Object to be converted to an Integer

Returns:

an Object representing the Integer value of the parameter

toInteger

public static long toInteger(Number number)

toLength
```
public static long toLength(Object value)
```
Implementation of ECMAScript6 7.1.15 "ToLength".

toLength

public static double toLength(double d)

toLength
```
public static long toLength(long l)
```

toLength

public static int toLength(int value)

toUInt8
```
public static int toUInt8(Object value)
```
Implementation of ECMA 7.1.10 "ToUInt8".

Parameters:

value - an Object to be converted to a UInt8

Returns:

an Object representing the Number value of the parameter

toUInt8

public static int toUInt8(Number number)

toUInt8

public static int toUInt8(long number)

toInt8
```
public static int toInt8(Object value)
```
Implementation of ECMA 7.1.9 "ToInt8".

Parameters:

value - an Object to be converted to a Int8

Returns:

an Object representing the Number value of the parameter

toInt8

public static int toInt8(Number number)

toInt8

public static int toInt8(long number)

toUInt16
```
public static int toUInt16(Object value)
```
Implementation of ECMA 9.7 "ToUInt16".

Parameters:

value - an Object to be converted to a UInt16

Returns:

an Object representing the Number value of the parameter

toUInt16

public static int toUInt16(Number number)

toUInt16

public static int toUInt16(long number)

toInt16
```
public static int toInt16(Object value)
```
Implementation of ECMA 7.1.7 "ToInt16".

Parameters:

value - an Object to be converted to a Int16

Returns:

an Object representing the Number value of the parameter

toInt16

public static int toInt16(Number number)

toInt16

public static int toInt16(long number)

floorMod

public static int floorMod(long x,
                           int y)

toUInt32
```
public static long toUInt32(Object value)
```
Implementation of ECMA 9.6 "ToUInt32".

Parameters:

value - an Object to be converted to a UInt32

Returns:

an Object representing the Number value of the parameter

toUInt32

public static long toUInt32(Number number)

toUInt32

public static long toUInt32(long value)

toUInt32

public static long toUInt32(double value)

toUInt32NoTruncate

public static long toUInt32NoTruncate(double value)

truncateDouble

public static double truncateDouble(double value)

toInt32
```
public static int toInt32(Object value)
```
Implementation of ECMA 9.5 "ToInt32".

Parameters:

value - an Object to be converted to a Int32

Returns:

an Object representing the Number value of the parameter

toInt32

public static int toInt32(Number number)

Convert JS number to int32.

toInt32

public static int toInt32(double value)

toInt32NoTruncate

public static int toInt32NoTruncate(double value)

toDouble
```
public static double toDouble(Object value)
```
Non-standard "ToDouble" utility function.

Returns:

the result of calling ToNumber, but converted to a primitive double

toDouble
```
public static double toDouble(Number value)
```
ToDouble for Numbers. In fact, just forwarding to doubleValue(). Keep it, as otherwise it is very easy to mistakenly call toDouble() inadvertently.

toJavaString

public static String toJavaString(Object value)

toString

public static com.oracle.truffle.api.strings.TruffleString toString(Object value)

The abstract operation ToString. Converts a value to a string.

safeToString

public static com.oracle.truffle.api.strings.TruffleString safeToString(Object value)

toDisplayString

public static com.oracle.truffle.api.strings.TruffleString toDisplayString(Object value,
                                                                           boolean allowSideEffects)

toDisplayString

public static com.oracle.truffle.api.strings.TruffleString toDisplayString(Object value,
                                                                           boolean allowSideEffects,
                                                                           ToDisplayStringFormat format)

toDisplayStringInner

public static com.oracle.truffle.api.strings.TruffleString toDisplayStringInner(Object value,
                                                                                boolean allowSideEffects,
                                                                                ToDisplayStringFormat format,
                                                                                int currentDepth,
                                                                                Object parent)

toDisplayStringImpl

public static com.oracle.truffle.api.strings.TruffleString toDisplayStringImpl(Object value,
                                                                               boolean allowSideEffects,
                                                                               ToDisplayStringFormat format,
                                                                               int depth,
                                                                               Object parent)

Converts the value to a String that can be printed on the console and used in error messages.

Parameters:: format - formatting parameters; depth - current recursion depth (starts at 0 = top level); parent - parent object or null

objectToDisplayString

public static com.oracle.truffle.api.strings.TruffleString objectToDisplayString(JSDynamicObject obj,
                                                                                 boolean allowSideEffects,
                                                                                 ToDisplayStringFormat format,
                                                                                 int depth,
                                                                                 com.oracle.truffle.api.strings.TruffleString name)

objectToDisplayString

public static com.oracle.truffle.api.strings.TruffleString objectToDisplayString(JSDynamicObject obj,
                                                                                 boolean allowSideEffects,
                                                                                 ToDisplayStringFormat format,
                                                                                 int depth,
                                                                                 com.oracle.truffle.api.strings.TruffleString name,
                                                                                 com.oracle.truffle.api.strings.TruffleString[] internalKeys,
                                                                                 Object[] internalValues)

collectionToConsoleString

public static com.oracle.truffle.api.strings.TruffleString collectionToConsoleString(JSDynamicObject obj,
                                                                                     boolean allowSideEffects,
                                                                                     ToDisplayStringFormat format,
                                                                                     com.oracle.truffle.api.strings.TruffleString name,
                                                                                     JSHashMap map,
                                                                                     int depth)

booleanToString

public static com.oracle.truffle.api.strings.TruffleString booleanToString(boolean value)

toString

public static com.oracle.truffle.api.strings.TruffleString toString(JSDynamicObject value)

numberToJavaString

public static String numberToJavaString(Number number)

numberToString

public static com.oracle.truffle.api.strings.TruffleString numberToString(Number number)

javaToString

public static String javaToString(Object obj)

propertyKeyEquals

public static boolean propertyKeyEquals(com.oracle.truffle.api.strings.TruffleString.EqualNode equalsNode,
                                        Object a,
                                        Object b)

doubleToString

public static Object doubleToString(double d,
                                    int radix)

doubleToString
```
public static com.oracle.truffle.api.strings.TruffleString doubleToString(double d)
```
9.8.1 ToString Applied to the Number Type.
Better use JSDoubleToStringNode where appropriate.

formatDtoA

public static String formatDtoA(double value)

formatDtoAPrecision

public static Object formatDtoAPrecision(double value,
                                         int precision)

formatDtoAExponential

public static Object formatDtoAExponential(double d,
                                           int digits)

formatDtoAExponential

public static Object formatDtoAExponential(double d)

formatDtoAFixed

public static Object formatDtoAFixed(double value,
                                     int digits)

formatDtoA

public static Object formatDtoA(double d,
                                int radix)

toObject
```
public static Object toObject(Object value)
```
Implementation of ECMA 9.9 "ToObject".

Parameters:

value - an Object to be converted to an Object

Returns:

an Object

isSameValue

public static boolean isSameValue(Object x,
                                  Object y)

9.12 SameValue Algorithm.

equal

public static boolean equal(Object a,
                            Object b)

isForeignObject

public static boolean isForeignObject(Object value)

isForeignObject

public static boolean isForeignObject(com.oracle.truffle.api.interop.TruffleObject value)

identical

public static boolean identical(Object a,
                                Object b)

requireObjectCoercible
```
public static <T> T requireObjectCoercible(T argument)
```
Implementation of the abstract operation RequireObjectCoercible.

toPropertyDescriptor
```
public static PropertyDescriptor toPropertyDescriptor(Object property)
```
Implementation of the ToPropertyDescriptor function as defined in ECMA 8.10.5.

Returns:

a property descriptor

valueInRadix10

public static int valueInRadix10(char c)

valueInRadix

public static int valueInRadix(char c,
                               int radix)

valueInHex
```
public static int valueInHex(char c)
```

isHex
```
public static boolean isHex(char c)
```

parseArrayIndexIsIndexRaw

public static long parseArrayIndexIsIndexRaw(Object o)

parseArrayIndexRaw
```
public static long parseArrayIndexRaw(com.oracle.truffle.api.strings.TruffleString string,
                                      com.oracle.truffle.api.strings.TruffleString.ReadCharUTF16Node charAtNode)
```
NB: does not check whether the result fits into the uint32 range. The caller is responsible for the range check and must take care not to pass in too long strings.

Returns:

parsed unsigned integer value or INVALID_UINT32 if the string is not parsable.

See Also:

JSRuntime.isArrayIndex(long)

trimJSWhiteSpace

public static com.oracle.truffle.api.strings.TruffleString trimJSWhiteSpace(com.oracle.truffle.api.strings.TruffleString string)

firstNonWhitespaceIndex

public static int firstNonWhitespaceIndex(com.oracle.truffle.api.strings.TruffleString string,
                                          com.oracle.truffle.api.strings.TruffleString.ReadCharUTF16Node charAtNode)

lastNonWhitespaceIndex

public static int lastNonWhitespaceIndex(com.oracle.truffle.api.strings.TruffleString string,
                                         com.oracle.truffle.api.strings.TruffleString.ReadCharUTF16Node charAtNode)

isWhiteSpaceOrLineTerminator
```
public static boolean isWhiteSpaceOrLineTerminator(char cp)
```
Union of WhiteSpace and LineTerminator (StrWhiteSpaceChar). Used by TrimString.

isWhiteSpaceExcludingLineTerminator
```
public static boolean isWhiteSpaceExcludingLineTerminator(char cp)
```
WhiteSpace (excluding LineTerminator).

isLineTerminator

public static boolean isLineTerminator(char codePoint)

isValidArrayLength
```
public static boolean isValidArrayLength(long longValue)
```
Checks whether a long value is within the valid range of array lengths. Note the difference to isArrayIndex, that does not allow the MAX_ARRAY_LENGTH value.

isValidArrayLength

public static boolean isValidArrayLength(double doubleValue)

isValidArrayLength

public static boolean isValidArrayLength(int intValue)

isIntegerIndex

public static boolean isIntegerIndex(long longValue)

isArrayIndex

public static boolean isArrayIndex(int intValue)

isArrayIndex

public static boolean isArrayIndex(long longValue)

isArrayIndex

public static boolean isArrayIndex(double doubleValue)

isArrayIndexString

public static boolean isArrayIndexString(com.oracle.truffle.api.strings.TruffleString property)

isArrayIndex

public static boolean isArrayIndex(Object property)

castArrayIndex

public static long castArrayIndex(double doubleValue)

castArrayIndex

public static long castArrayIndex(long longValue)

isAsciiDigit

public static boolean isAsciiDigit(int c)

propertyNameToArrayIndex

public static long propertyNameToArrayIndex(com.oracle.truffle.api.strings.TruffleString propertyName,
                                            com.oracle.truffle.api.strings.TruffleString.ReadCharUTF16Node charAtNode)

arrayIndexLengthInRange

public static boolean arrayIndexLengthInRange(com.oracle.truffle.api.strings.TruffleString indexStr)

propertyKeyToArrayIndex

public static long propertyKeyToArrayIndex(Object propertyKey)

propertyNameToIntegerIndex

public static long propertyNameToIntegerIndex(com.oracle.truffle.api.strings.TruffleString propertyName)

propertyKeyToIntegerIndex

public static long propertyKeyToIntegerIndex(Object propertyKey)

isJSNative
```
public static boolean isJSNative(Object value)
```
Is value a native JavaScript object or primitive?

isJSPrimitive

public static boolean isJSPrimitive(Object value)

toStringIsString

public static com.oracle.truffle.api.strings.TruffleString toStringIsString(Object value)

isStringClass

public static boolean isStringClass(Class<?> clazz)

nullToUndefined

public static Object nullToUndefined(Object value)

undefinedToNull

public static Object undefinedToNull(Object value)

toJSNull

public static Object toJSNull(Object value)

toJavaNull

public static Object toJavaNull(Object value)

jsObjectToJavaObject

public static Object jsObjectToJavaObject(Object obj)

isPropertyKey

public static boolean isPropertyKey(Object key)

propertyKeyToFunctionNameString

public static com.oracle.truffle.api.strings.TruffleString propertyKeyToFunctionNameString(Object key)

stringToBigInt

public static BigInt stringToBigInt(com.oracle.truffle.api.strings.TruffleString s)

intValue

public static int intValue(Number number)

See Also:: Number.intValue()

intValueVirtual

public static int intValueVirtual(Number number)

doubleValue

public static double doubleValue(Number number)

See Also:: Number.doubleValue()

doubleValue

public static double doubleValue(Number number,
                                 com.oracle.truffle.api.profiles.BranchProfile profile)

doubleValueVirtual

public static double doubleValueVirtual(Number number)

floatValue

public static float floatValue(Number n)

See Also:: Number.floatValue()

floatValueVirtual

public static float floatValueVirtual(Number n)

longValue

public static long longValue(Number n)

See Also:: Number.longValue()

toLong

public static long toLong(Number value)

Convert JS number to long.

stringConcat

public static String stringConcat(String first,
                                  String second)

Concatenate two strings, preallocating the buffer with the exact length of the result.

fromPropertyDescriptor

public static JSDynamicObject fromPropertyDescriptor(PropertyDescriptor desc,
                                                     JSContext context)

getArgOrUndefined

public static Object getArgOrUndefined(Object[] args,
                                       int i)

getArg

public static Object getArg(Object[] args,
                            int i,
                            Object defaultValue)

getOffset

public static long getOffset(long start,
                             long length,
                             com.oracle.truffle.api.nodes.Node node,
                             com.oracle.truffle.api.profiles.InlinedConditionProfile profile)

getOffset

public static int getOffset(int start,
                            int length,
                            com.oracle.truffle.api.nodes.Node node,
                            com.oracle.truffle.api.profiles.InlinedConditionProfile profile)

parseSafeInteger

public static long parseSafeInteger(com.oracle.truffle.api.strings.TruffleString s)

parseSafeInteger

public static long parseSafeInteger(com.oracle.truffle.api.strings.TruffleString s,
                                    int beginIndex,
                                    int endIndex,
                                    int radix)

parseRawFitsLong

public static Number parseRawFitsLong(com.oracle.truffle.api.strings.TruffleString string,
                                      int radix,
                                      int startPos,
                                      int endPos,
                                      boolean negate)

parseRawDontFitLong

public static double parseRawDontFitLong(com.oracle.truffle.api.strings.TruffleString string,
                                         int radix,
                                         int startPos,
                                         int endPos,
                                         boolean negate)

createDataProperty

public static boolean createDataProperty(JSDynamicObject o,
                                         Object p,
                                         Object v)

ES2015, 7.3.4 CreateDataProperty(O, P, V).

createDataProperty

public static boolean createDataProperty(JSDynamicObject o,
                                         Object p,
                                         Object v,
                                         boolean doThrow)

createDataPropertyOrThrow

public static boolean createDataPropertyOrThrow(JSDynamicObject o,
                                                Object p,
                                                Object v)

ES2015, 7.3.6 CreateDataPropertyOrThrow(O, P, V).

createNonEnumerableDataPropertyOrThrow

public static void createNonEnumerableDataPropertyOrThrow(JSDynamicObject o,
                                                          Object p,
                                                          Object v)

Error Cause 7.3.6 CreateNonEnumerableDataPropertyOrThrow(O, P, V).

definePropertyOrThrow

public static void definePropertyOrThrow(JSDynamicObject o,
                                         Object key,
                                         PropertyDescriptor desc)

ES2016, 7.3.7 DefinePropertyOrThrow(O, P, desc).

isPrototypeOf

public static boolean isPrototypeOf(JSDynamicObject object,
                                    JSDynamicObject prototype)

createArrayFromList

public static JSDynamicObject createArrayFromList(JSContext context,
                                                  JSRealm realm,
                                                  List<? extends Object> list)

ES2016 7.3.16 CreateArrayFromList(elements).

isCallable

public static boolean isCallable(Object value)

ES2015 7.2.3 IsCallable(argument).

isCallableIsJSObject

public static boolean isCallableIsJSObject(JSDynamicObject value)

isCallableForeign

public static boolean isCallableForeign(Object value)

isCallableProxy

public static boolean isCallableProxy(JSDynamicObject proxy)

isArray

public static boolean isArray(Object obj)

ES2015 7.2.2 IsArray(argument).

isProxyAnArray

public static boolean isProxyAnArray(JSDynamicObject proxy)

toPropertyKey

public static Object toPropertyKey(Object arg)

ES2015 7.1.14 ToPropertyKey(argument).

call

public static Object call(Object fnObj,
                          Object holder,
                          Object[] arguments)

ES2015 7.3.12 Call(F, V, arguments).

call

public static Object call(Object fnObj,
                          Object holder,
                          Object[] arguments,
                          com.oracle.truffle.api.nodes.Node encapsulatingNode)

construct

public static Object construct(Object fnObj,
                               Object[] arguments)

canonicalNumericIndexString

public static Object canonicalNumericIndexString(com.oracle.truffle.api.strings.TruffleString s)

ES2015, 7.1.16 CanonicalNumericIndexString().

isInteger

public static boolean isInteger(Object obj)

ES2015, 7.2.6 IsInteger.

comparePropertyKeys
```
public static int comparePropertyKeys(Object key1,
                                      Object key2)
```
Compare property keys such that a stable sort using it would maintain the following order.
1. integer index keys, in ascending numeric index order
2. string keys, in original insertion order
3. symbols keys, in original insertion order

getConstructorName

public static com.oracle.truffle.api.strings.TruffleString getConstructorName(JSDynamicObject receiver)

Carefully try getting the constructor name, must not throw.

getDataProperty

public static Object getDataProperty(JSDynamicObject thisObj,
                                     Object key)

isJSRootNode

public static boolean isJSRootNode(com.oracle.truffle.api.nodes.RootNode rootNode)

isJSFunctionRootNode

public static boolean isJSFunctionRootNode(com.oracle.truffle.api.nodes.RootNode rootNode)

isSafeInteger

public static boolean isSafeInteger(double value)

isSafeInteger

public static boolean isSafeInteger(long value)

getFunctionRealm

public static JSRealm getFunctionRealm(Object obj,
                                       JSRealm currentRealm)

isConstructor

public static boolean isConstructor(Object constrObj)

ES2016 7.2.4 IsConstructor().

isConstructorForeign

public static boolean isConstructorForeign(Object value)

isConstructorProxy

public static boolean isConstructorProxy(JSDynamicObject constrObj)

isGenerator

public static boolean isGenerator(Object genObj)

isGeneratorProxy

public static boolean isGeneratorProxy(JSDynamicObject genObj)

createListFromArrayLikeAllowSymbolString

public static List<Object> createListFromArrayLikeAllowSymbolString(Object obj)

quote

public static String quote(String value)

quote

public static com.oracle.truffle.api.strings.TruffleString quote(com.oracle.truffle.api.strings.TruffleString value)

expectJSObject

public static JSDynamicObject expectJSObject(Object to,
                                             com.oracle.truffle.api.profiles.BranchProfile errorBranch)

exportValue
```
public static Object exportValue(Object value)
```
Convert the value to a type valid in Truffle Interop. Use ExportValueNode where possible.

exportValueArray

public static Object[] exportValueArray(Object[] arr)

importValue
```
public static Object importValue(Object value)
```
Convert the value to a type valid in Graal.js, from something received via TruffleInterop. Use ImportValueNode where possible.

intIsRepresentableAsFloat

public static boolean intIsRepresentableAsFloat(int value)

isJavaPrimitive

public static boolean isJavaPrimitive(Object value)

rethrow

public static <E extends Throwable> RuntimeException rethrow(Throwable ex)
                                                      throws E extends Throwable

Throws:: E extends Throwable

getException

public static GraalJSException getException(Object errorObject)

getIterator

public static IteratorRecord getIterator(Object iteratedObject)

iteratorStep

public static Object iteratorStep(IteratorRecord iteratorRecord)

iteratorValue

public static Object iteratorValue(Object iterator)

iteratorClose

public static void iteratorClose(Object iterator)

isIntegralNumber

public static boolean isIntegralNumber(double arg)

get

public static Object get(Object obj,
                         Object key)

get

public static Object get(Object obj,
                         long index)

hasProperty

public static boolean hasProperty(Object obj,
                                  Object key)

isPrivateSymbol

public static boolean isPrivateSymbol(Object key)

filterPrivateSymbols

public static List<Object> filterPrivateSymbols(List<Object> list)

toUint32

public static Number toUint32(int value)

getBufferElementDirect

public static Object getBufferElementDirect(ByteBufferAccess bufferAccess,
                                            ByteBuffer buffer,
                                            TypedArray.ElementType elementType,
                                            int index)

setBufferElementDirect

public static void setBufferElementDirect(ByteBufferAccess bufferAccess,
                                          ByteBuffer buffer,
                                          TypedArray.ElementType elementType,
                                          int index,
                                          Object value)

Class JSRuntime

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

TWO32

INVALID_ARRAY_INDEX

MAX_ARRAY_LENGTH

MAX_UINT32_DIGITS

MAX_SAFE_INTEGER

MIN_SAFE_INTEGER

MAX_SAFE_INTEGER_LONG

MIN_SAFE_INTEGER_LONG

INVALID_INTEGER_INDEX

MAX_INTEGER_INDEX_DIGITS

MAX_SAFE_INTEGER_DIGITS

MAX_SAFE_INTEGER_IN_FLOAT

MIN_SAFE_INTEGER_IN_FLOAT

MAX_BIG_INT_EXPONENT

INVALID_SAFE_INTEGER

VALUE

DONE

NEXT

ENUMERATE_ITERATOR_ID

ITERATION_KIND_KEY

ITERATION_KIND_VALUE

ITERATION_KIND_KEY_PLUS_VALUE

Method Detail

doubleIsRepresentableAsInt

doubleIsRepresentableAsInt

doubleIsRepresentableAsUnsignedInt

isNegativeZero

isPositiveInfinity

doubleToNarrowestNumber

longIsRepresentableAsInt

isRepresentableAsUnsignedInt

doubleIsRepresentableAsLong

positiveLongToIntOrDouble

longToIntOrDouble

longFitsInDouble

isNaN

typeof

isObject

isNullOrUndefined

isNullish

toPrimitive

toPrimitive

toPrimitiveFromForeign

toBoolean

toBoolean

toNumber

toNumeric

booleanToNumber

isNumber

toBigInt

isBigInt

isJavaNumber

stringToNumber

parseDoubleOrNaN

firstExpIndexInString

identifyInfinity

toInteger

toInteger

toLength

toLength

toLength

toLength

toUInt8

toUInt8

toUInt8

toInt8

toInt8

toInt8

toUInt16

toUInt16

toUInt16

toInt16

toInt16

toInt16

floorMod