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Diffstat (limited to 'Source/JavaScriptCore/runtime/JSValueInlines.h')
| -rw-r--r-- | Source/JavaScriptCore/runtime/JSValueInlines.h | 497 |
1 files changed, 0 insertions, 497 deletions
diff --git a/Source/JavaScriptCore/runtime/JSValueInlines.h b/Source/JavaScriptCore/runtime/JSValueInlines.h deleted file mode 100644 index c5a42f67f..000000000 --- a/Source/JavaScriptCore/runtime/JSValueInlines.h +++ /dev/null @@ -1,497 +0,0 @@ -/* - * Copyright (C) 2011 Apple Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef JSValueInlines_h -#define JSValueInlines_h - -#include "JSValue.h" - -namespace JSC { - - ALWAYS_INLINE int32_t JSValue::toInt32(ExecState* exec) const - { - if (isInt32()) - return asInt32(); - return JSC::toInt32(toNumber(exec)); - } - - inline uint32_t JSValue::toUInt32(ExecState* exec) const - { - // See comment on JSC::toUInt32, above. - return toInt32(exec); - } - - inline bool JSValue::isUInt32() const - { - return isInt32() && asInt32() >= 0; - } - - inline uint32_t JSValue::asUInt32() const - { - ASSERT(isUInt32()); - return asInt32(); - } - - inline double JSValue::asNumber() const - { - ASSERT(isNumber()); - return isInt32() ? asInt32() : asDouble(); - } - - inline JSValue jsNaN() - { - return JSValue(QNaN); - } - - inline JSValue::JSValue(char i) - { - *this = JSValue(static_cast<int32_t>(i)); - } - - inline JSValue::JSValue(unsigned char i) - { - *this = JSValue(static_cast<int32_t>(i)); - } - - inline JSValue::JSValue(short i) - { - *this = JSValue(static_cast<int32_t>(i)); - } - - inline JSValue::JSValue(unsigned short i) - { - *this = JSValue(static_cast<int32_t>(i)); - } - - inline JSValue::JSValue(unsigned i) - { - if (static_cast<int32_t>(i) < 0) { - *this = JSValue(EncodeAsDouble, static_cast<double>(i)); - return; - } - *this = JSValue(static_cast<int32_t>(i)); - } - - inline JSValue::JSValue(long i) - { - if (static_cast<int32_t>(i) != i) { - *this = JSValue(EncodeAsDouble, static_cast<double>(i)); - return; - } - *this = JSValue(static_cast<int32_t>(i)); - } - - inline JSValue::JSValue(unsigned long i) - { - if (static_cast<uint32_t>(i) != i) { - *this = JSValue(EncodeAsDouble, static_cast<double>(i)); - return; - } - *this = JSValue(static_cast<uint32_t>(i)); - } - - inline JSValue::JSValue(long long i) - { - if (static_cast<int32_t>(i) != i) { - *this = JSValue(EncodeAsDouble, static_cast<double>(i)); - return; - } - *this = JSValue(static_cast<int32_t>(i)); - } - - inline JSValue::JSValue(unsigned long long i) - { - if (static_cast<uint32_t>(i) != i) { - *this = JSValue(EncodeAsDouble, static_cast<double>(i)); - return; - } - *this = JSValue(static_cast<uint32_t>(i)); - } - - inline JSValue::JSValue(double d) - { - const int32_t asInt32 = static_cast<int32_t>(d); - if (asInt32 != d || (!asInt32 && signbit(d))) { // true for -0.0 - *this = JSValue(EncodeAsDouble, d); - return; - } - *this = JSValue(static_cast<int32_t>(d)); - } - - inline EncodedJSValue JSValue::encode(JSValue value) - { - return value.u.asInt64; - } - - inline JSValue JSValue::decode(EncodedJSValue encodedJSValue) - { - JSValue v; - v.u.asInt64 = encodedJSValue; - return v; - } - -#if USE(JSVALUE32_64) - inline JSValue::JSValue() - { - u.asBits.tag = EmptyValueTag; - 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 = BooleanTag; - u.asBits.payload = 1; - } - - inline JSValue::JSValue(JSFalseTag) - { - u.asBits.tag = BooleanTag; - u.asBits.payload = 0; - } - - inline JSValue::JSValue(HashTableDeletedValueTag) - { - u.asBits.tag = DeletedValueTag; - u.asBits.payload = 0; - } - - inline JSValue::JSValue(JSCell* ptr) - { - if (ptr) - u.asBits.tag = CellTag; - else - u.asBits.tag = EmptyValueTag; - u.asBits.payload = reinterpret_cast<int32_t>(ptr); - } - - inline JSValue::JSValue(const JSCell* ptr) - { - if (ptr) - u.asBits.tag = CellTag; - else - u.asBits.tag = EmptyValueTag; - u.asBits.payload = reinterpret_cast<int32_t>(const_cast<JSCell*>(ptr)); - } - - inline JSValue::operator bool() const - { - ASSERT(tag() != DeletedValueTag); - return tag() != EmptyValueTag; - } - - inline bool JSValue::operator==(const JSValue& other) const - { - return u.asInt64 == other.u.asInt64; - } - - inline bool JSValue::operator!=(const JSValue& other) const - { - return u.asInt64 != other.u.asInt64; - } - - inline bool JSValue::isEmpty() const - { - return tag() == EmptyValueTag; - } - - 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::isDouble() const - { - return tag() < LowestTag; - } - - inline bool JSValue::isTrue() const - { - return tag() == BooleanTag && payload(); - } - - inline bool JSValue::isFalse() const - { - return tag() == BooleanTag && !payload(); - } - - 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 double JSValue::asDouble() const - { - ASSERT(isDouble()); - return u.asDouble; - } - - ALWAYS_INLINE JSCell* JSValue::asCell() const - { - ASSERT(isCell()); - return reinterpret_cast<JSCell*>(u.asBits.payload); - } - - ALWAYS_INLINE JSValue::JSValue(EncodeAsDoubleTag, double d) - { - u.asDouble = d; - } - - inline JSValue::JSValue(int i) - { - u.asBits.tag = Int32Tag; - u.asBits.payload = i; - } - -#if ENABLE(LLINT_C_LOOP) - inline JSValue::JSValue(int32_t tag, int32_t payload) - { - u.asBits.tag = tag; - u.asBits.payload = payload; - } -#endif - - inline bool JSValue::isNumber() const - { - return isInt32() || isDouble(); - } - - inline bool JSValue::isBoolean() const - { - return isTrue() || isFalse(); - } - - inline bool JSValue::asBoolean() const - { - ASSERT(isBoolean()); - return payload(); - } - -#else // !USE(JSVALUE32_64) i.e. USE(JSVALUE64) - - // 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() - { - u.asInt64 = ValueEmpty; - } - - // 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) - { - u.asInt64 = ValueDeleted; - } - - inline JSValue::JSValue(JSCell* ptr) - { - u.asInt64 = reinterpret_cast<uintptr_t>(ptr); - } - - inline JSValue::JSValue(const JSCell* ptr) - { - u.asInt64 = reinterpret_cast<uintptr_t>(const_cast<JSCell*>(ptr)); - } - - inline JSValue::operator bool() const - { - return u.asInt64; - } - - inline bool JSValue::operator==(const JSValue& other) const - { - return u.asInt64 == other.u.asInt64; - } - - inline bool JSValue::operator!=(const JSValue& other) const - { - return u.asInt64 != other.u.asInt64; - } - - inline bool JSValue::isEmpty() const - { - return u.asInt64 == ValueEmpty; - } - - inline bool JSValue::isUndefined() const - { - return asValue() == JSValue(JSUndefined); - } - - inline bool JSValue::isNull() const - { - return asValue() == JSValue(JSNull); - } - - inline bool JSValue::isTrue() const - { - return asValue() == JSValue(JSTrue); - } - - inline bool JSValue::isFalse() const - { - return asValue() == JSValue(JSFalse); - } - - inline bool JSValue::asBoolean() const - { - ASSERT(isBoolean()); - return asValue() == JSValue(JSTrue); - } - - inline int32_t JSValue::asInt32() const - { - ASSERT(isInt32()); - return static_cast<int32_t>(u.asInt64); - } - - inline bool JSValue::isDouble() const - { - return isNumber() && !isInt32(); - } - - inline JSValue::JSValue(JSNullTag) - { - u.asInt64 = ValueNull; - } - - inline JSValue::JSValue(JSUndefinedTag) - { - u.asInt64 = ValueUndefined; - } - - inline JSValue::JSValue(JSTrueTag) - { - u.asInt64 = ValueTrue; - } - - inline JSValue::JSValue(JSFalseTag) - { - u.asInt64 = ValueFalse; - } - - inline bool JSValue::isUndefinedOrNull() const - { - // Undefined and null share the same value, bar the 'undefined' bit in the extended tag. - return (u.asInt64 & ~TagBitUndefined) == ValueNull; - } - - inline bool JSValue::isBoolean() const - { - return (u.asInt64 & ~1) == ValueFalse; - } - - inline bool JSValue::isCell() const - { - return !(u.asInt64 & TagMask); - } - - inline bool JSValue::isInt32() const - { - return (u.asInt64 & TagTypeNumber) == TagTypeNumber; - } - - inline int64_t reinterpretDoubleToInt64(double value) - { - return bitwise_cast<int64_t>(value); - } - inline double reinterpretInt64ToDouble(int64_t value) - { - return bitwise_cast<double>(value); - } - - ALWAYS_INLINE JSValue::JSValue(EncodeAsDoubleTag, double d) - { - u.asInt64 = reinterpretDoubleToInt64(d) + DoubleEncodeOffset; - } - - inline JSValue::JSValue(int i) - { - u.asInt64 = TagTypeNumber | static_cast<uint32_t>(i); - } - - inline double JSValue::asDouble() const - { - ASSERT(isDouble()); - return reinterpretInt64ToDouble(u.asInt64 - DoubleEncodeOffset); - } - - inline bool JSValue::isNumber() const - { - return u.asInt64 & TagTypeNumber; - } - - ALWAYS_INLINE JSCell* JSValue::asCell() const - { - ASSERT(isCell()); - return u.ptr; - } - -#endif // USE(JSVALUE64) - -} // namespace JSC - -#endif // JSValueInlines_h - |