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1. reduce size of ByteCodeBlock, CodeBlock classes

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2. optimize function calling performance
 - change local variable binding order (this, function name first)
 - revise opcode table init method
3. remove OpcodeTable::m_reverseTable
4. use shared thrower JSGetterSetter instance for arguments, function object
5. revise Function.prototype.toString for to print function's source

Signed-off-by: seonghyun kim <sh8281.kim@samsung.com>
This commit is contained in:
seonghyun kim 2017-03-15 15:05:19 +09:00
commit b1cc608191
29 changed files with 378 additions and 359 deletions
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6
src/runtime/ArgumentsObject.cpp
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@ -143,13 +143,13 @@ ArgumentsObject::ArgumentsObject(ExecutionState& state, FunctionEnvironmentRecor
} else {
// Else, strict is true so
// Let thrower be the [[ThrowTypeError]] function Object (13.2.3).
FunctionObject* thrower = state.context()->globalObject()->throwTypeError();
auto thrower = state.context()->globalObject()->throwerGetterSetterData();
// Call the [[DefineOwnProperty]] internal method of obj with arguments "callee", PropertyDescriptor {[[Get]]: thrower, [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false}, and false.
// obj->defineOwnProperty(state, ObjectPropertyName(state.context()->staticStrings().callee), ObjectPropertyDescriptor(JSGetterSetter(thrower, thrower), (ObjectPropertyDescriptor::PresentAttribute)(ObjectPropertyDescriptor::NonEnumerablePresent | ObjectPropertyDescriptor::NonConfigurablePresent)));
m_values[ESCARGOT_OBJECT_BUILTIN_PROPERTY_NUMBER + 1] = Value(new JSGetterSetter(thrower, thrower));
m_values[ESCARGOT_OBJECT_BUILTIN_PROPERTY_NUMBER + 1] = Value(thrower);
// Call the [[DefineOwnProperty]] internal method of obj with arguments "caller", PropertyDescriptor {[[Get]]: thrower, [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false}, and false.
// obj->defineOwnProperty(state, ObjectPropertyName(state.context()->staticStrings().caller), ObjectPropertyDescriptor(JSGetterSetter(thrower, thrower), (ObjectPropertyDescriptor::PresentAttribute)(ObjectPropertyDescriptor::NonEnumerablePresent | ObjectPropertyDescriptor::NonConfigurablePresent)));
m_values[ESCARGOT_OBJECT_BUILTIN_PROPERTY_NUMBER + 2] = Value(new JSGetterSetter(thrower, thrower));
m_values[ESCARGOT_OBJECT_BUILTIN_PROPERTY_NUMBER + 2] = Value(thrower);
}
}