- inline int32_t toInt32(double val)
- {
- if (!(val >= -2147483648.0 && val < 2147483648.0)) {
- bool ignored;
- return toInt32SlowCase(val, ignored);
- }
- return static_cast<int32_t>(val);
- }
-
- inline uint32_t toUInt32(double val)
- {
- if (!(val >= 0.0 && val < 4294967296.0)) {
- bool ignored;
- return toUInt32SlowCase(val, ignored);
- }
- return static_cast<uint32_t>(val);
- }
-
- ALWAYS_INLINE int32_t JSValue::toInt32(ExecState* exec) const
- {
- if (isInt32())
- return asInt32();
- bool ignored;
- return toInt32SlowCase(toNumber(exec), ignored);
- }
-
- inline uint32_t JSValue::toUInt32(ExecState* exec) const
- {
- if (isUInt32())
- return asInt32();
- bool ignored;
- return toUInt32SlowCase(toNumber(exec), ignored);
- }
-
- inline int32_t JSValue::toInt32(ExecState* exec, bool& ok) const
- {
- if (isInt32()) {
- ok = true;
- return asInt32();
- }
- return toInt32SlowCase(toNumber(exec), ok);
- }
-
- inline uint32_t JSValue::toUInt32(ExecState* exec, bool& ok) const
- {
- if (isUInt32()) {
- ok = true;
- return asInt32();
- }
- return toUInt32SlowCase(toNumber(exec), ok);
- }
-
-#if USE(JSVALUE32_64)
- inline JSValue jsNaN(ExecState* exec)
- {
- return JSValue(exec, nonInlineNaN());
- }
-
- // JSValue member functions.
- inline EncodedJSValue JSValue::encode(JSValue value)
- {
- return value.u.asEncodedJSValue;
- }
-
- inline JSValue JSValue::decode(EncodedJSValue encodedJSValue)
- {
- JSValue v;
- v.u.asEncodedJSValue = encodedJSValue;
- return v;
- }
-
- inline JSValue::JSValue()
- {
- u.asBits.tag = CellTag;
- u.asBits.payload = 0;
- }
-
- inline JSValue::JSValue(JSNullTag)
- {
- u.asBits.tag = NullTag;
- u.asBits.payload = 0;
- }
-
- inline JSValue::JSValue(JSUndefinedTag)
- {
- u.asBits.tag = UndefinedTag;
- u.asBits.payload = 0;
- }
-
- inline JSValue::JSValue(JSTrueTag)
- {
- u.asBits.tag = TrueTag;
- u.asBits.payload = 0;
- }
-
- inline JSValue::JSValue(JSFalseTag)
- {
- u.asBits.tag = FalseTag;
- u.asBits.payload = 0;
- }
-
- inline JSValue::JSValue(HashTableDeletedValueTag)
- {
- u.asBits.tag = DeletedValueTag;
- u.asBits.payload = 0;
- }
-
- inline JSValue::JSValue(JSCell* ptr)
- {
- u.asBits.tag = CellTag;
- u.asBits.payload = reinterpret_cast<int32_t>(ptr);
- }
-
- inline JSValue::JSValue(const JSCell* ptr)
- {
- u.asBits.tag = CellTag;
- u.asBits.payload = reinterpret_cast<int32_t>(const_cast<JSCell*>(ptr));
- }
-
- inline JSValue::operator bool() const
- {
- return u.asBits.payload || tag() != CellTag;
- }
-
- inline bool JSValue::operator==(const JSValue& other) const
- {
- return u.asEncodedJSValue == other.u.asEncodedJSValue;
- }
-
- inline bool JSValue::operator!=(const JSValue& other) const
- {
- return u.asEncodedJSValue != other.u.asEncodedJSValue;
- }
-
- inline bool JSValue::isUndefined() const
- {
- return tag() == UndefinedTag;
- }
-
- inline bool JSValue::isNull() const
- {
- return tag() == NullTag;
- }
-
- inline bool JSValue::isUndefinedOrNull() const
- {
- return isUndefined() || isNull();
- }
-
- inline bool JSValue::isCell() const
- {
- return tag() == CellTag;
- }
-
- inline bool JSValue::isInt32() const
- {
- return tag() == Int32Tag;
- }
-
- inline bool JSValue::isUInt32() const
- {
- return tag() == Int32Tag && asInt32() > -1;
- }
-
- inline bool JSValue::isDouble() const
- {
- return tag() < LowestTag;
- }
-
- inline bool JSValue::isTrue() const
- {
- return tag() == TrueTag;
- }
-
- inline bool JSValue::isFalse() const
- {
- return tag() == FalseTag;
- }
-
- inline uint32_t JSValue::tag() const
- {
- return u.asBits.tag;
- }
-
- inline int32_t JSValue::payload() const
- {
- return u.asBits.payload;
- }
-
- inline int32_t JSValue::asInt32() const
- {
- ASSERT(isInt32());
- return u.asBits.payload;
- }
-
- inline uint32_t JSValue::asUInt32() const
- {
- ASSERT(isUInt32());
- return u.asBits.payload;
- }
-
- inline double JSValue::asDouble() const
- {
- ASSERT(isDouble());
- return u.asDouble;
- }
-
- ALWAYS_INLINE JSCell* JSValue::asCell() const
- {
- ASSERT(isCell());
- return reinterpret_cast<JSCell*>(u.asBits.payload);
- }
-
- inline JSValue::JSValue(ExecState* exec, double d)
- {
- const int32_t asInt32 = static_cast<int32_t>(d);
- if (asInt32 != d || (!asInt32 && signbit(d))) { // true for -0.0
- u.asDouble = d;
- return;
- }
- *this = JSValue(exec, static_cast<int32_t>(d));
- }
-
- inline JSValue::JSValue(ExecState* exec, char i)
- {
- *this = JSValue(exec, static_cast<int32_t>(i));
- }
-
- inline JSValue::JSValue(ExecState* exec, unsigned char i)
- {
- *this = JSValue(exec, static_cast<int32_t>(i));
- }
-
- inline JSValue::JSValue(ExecState* exec, short i)
- {
- *this = JSValue(exec, static_cast<int32_t>(i));
- }
-
- inline JSValue::JSValue(ExecState* exec, unsigned short i)
- {
- *this = JSValue(exec, static_cast<int32_t>(i));
- }
-
- inline JSValue::JSValue(ExecState*, int i)
- {
- u.asBits.tag = Int32Tag;
- u.asBits.payload = i;
- }
-
- inline JSValue::JSValue(ExecState* exec, unsigned i)
- {
- if (static_cast<int32_t>(i) < 0) {
- *this = JSValue(exec, static_cast<double>(i));
- return;
- }
- *this = JSValue(exec, static_cast<int32_t>(i));
- }
-
- inline JSValue::JSValue(ExecState* exec, long i)
- {
- if (static_cast<int32_t>(i) != i) {
- *this = JSValue(exec, static_cast<double>(i));
- return;
- }
- *this = JSValue(exec, static_cast<int32_t>(i));
- }
-
- inline JSValue::JSValue(ExecState* exec, unsigned long i)
- {
- if (static_cast<uint32_t>(i) != i) {
- *this = JSValue(exec, static_cast<double>(i));
- return;
- }
- *this = JSValue(exec, static_cast<uint32_t>(i));
- }
-
- inline JSValue::JSValue(ExecState* exec, long long i)
- {
- if (static_cast<int32_t>(i) != i) {
- *this = JSValue(exec, static_cast<double>(i));
- return;
- }
- *this = JSValue(exec, static_cast<int32_t>(i));
- }
-
- inline JSValue::JSValue(ExecState* exec, unsigned long long i)
- {
- if (static_cast<uint32_t>(i) != i) {
- *this = JSValue(exec, static_cast<double>(i));
- return;
- }
- *this = JSValue(exec, static_cast<uint32_t>(i));
- }
-
- inline JSValue::JSValue(JSGlobalData* globalData, double d)
- {
- const int32_t asInt32 = static_cast<int32_t>(d);
- if (asInt32 != d || (!asInt32 && signbit(d))) { // true for -0.0
- u.asDouble = d;
- return;
- }
- *this = JSValue(globalData, static_cast<int32_t>(d));
- }
-
- inline JSValue::JSValue(JSGlobalData*, int i)
- {
- u.asBits.tag = Int32Tag;
- u.asBits.payload = i;
- }
-
- inline JSValue::JSValue(JSGlobalData* globalData, unsigned i)
- {
- if (static_cast<int32_t>(i) < 0) {
- *this = JSValue(globalData, static_cast<double>(i));
- return;
- }
- *this = JSValue(globalData, static_cast<int32_t>(i));
- }
-
- inline bool JSValue::isNumber() const
- {
- return isInt32() || isDouble();
- }
-
- inline bool JSValue::isBoolean() const
- {
- return isTrue() || isFalse();
- }
-
- inline bool JSValue::getBoolean(bool& v) const
- {
- if (isTrue()) {
- v = true;
- return true;
- }
- if (isFalse()) {
- v = false;
- return true;
- }
-
- return false;
- }
-
- inline bool JSValue::getBoolean() const
- {
- ASSERT(isBoolean());
- return tag() == TrueTag;
- }
-
- inline double JSValue::uncheckedGetNumber() const
- {
- ASSERT(isNumber());
- return isInt32() ? asInt32() : asDouble();
- }
-
- ALWAYS_INLINE JSValue JSValue::toJSNumber(ExecState* exec) const
- {
- return isNumber() ? asValue() : jsNumber(exec, this->toNumber(exec));
- }
-
- inline bool JSValue::getNumber(double& result) const
- {
- if (isInt32()) {
- result = asInt32();
- return true;
- }
- if (isDouble()) {
- result = asDouble();
- return true;
- }
- return false;
- }
-
-#else // USE(JSVALUE32_64)
-
- // JSValue member functions.
- inline EncodedJSValue JSValue::encode(JSValue value)
- {
- return reinterpret_cast<EncodedJSValue>(value.m_ptr);
- }
-
- inline JSValue JSValue::decode(EncodedJSValue ptr)
- {
- return JSValue(reinterpret_cast<JSCell*>(ptr));
- }
-
- inline JSValue JSValue::makeImmediate(intptr_t value)
- {
- return JSValue(reinterpret_cast<JSCell*>(value));
- }
-
- inline intptr_t JSValue::immediateValue()
- {
- return reinterpret_cast<intptr_t>(m_ptr);
- }
-
- // 0x0 can never occur naturally because it has a tag of 00, indicating a pointer value, but a payload of 0x0, which is in the (invalid) zero page.
- inline JSValue::JSValue()
- : m_ptr(0)
- {
- }
-
- // 0x4 can never occur naturally because it has a tag of 00, indicating a pointer value, but a payload of 0x4, which is in the (invalid) zero page.
- inline JSValue::JSValue(HashTableDeletedValueTag)
- : m_ptr(reinterpret_cast<JSCell*>(0x4))
- {
- }
-
- inline JSValue::JSValue(JSCell* ptr)
- : m_ptr(ptr)
- {
- }
-
- inline JSValue::JSValue(const JSCell* ptr)
- : m_ptr(const_cast<JSCell*>(ptr))
- {
- }
-
- inline JSValue::operator bool() const
- {
- return m_ptr;
- }
-
- inline bool JSValue::operator==(const JSValue& other) const
- {
- return m_ptr == other.m_ptr;
- }
-
- inline bool JSValue::operator!=(const JSValue& other) const
- {
- return m_ptr != other.m_ptr;
- }
-
- inline bool JSValue::isUndefined() const
- {
- return asValue() == jsUndefined();
- }
-
- inline bool JSValue::isNull() const
- {
- return asValue() == jsNull();
- }
-#endif // USE(JSVALUE32_64)
-
projects / apple / javascriptcore.git / blobdiff