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1. reduce default ast Node size

Browse source 
2. don't useless info in esprima
3. implement pool of ScannerResult in esprima
4. optimize SetGlobalObject, GetGlobalObject

Signed-off-by: seonghyun kim <sh8281.kim@samsung.com>
This commit is contained in:
seonghyun kim 2017-01-10 18:12:06 +09:00
commit fefa16daaa
12 changed files with 257 additions and 174 deletions
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64
src/interpreter/ByteCodeInterpreter.cpp
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@ -133,24 +133,10 @@ void ByteCodeInterpreter::interpret(ExecutionState& state, CodeBlock* codeBlock,
NEXT_INSTRUCTION();
}
LoadByNameOpcodeLbl : {
LoadByName* code = (LoadByName*)currentCode;
registerFile[code->m_registerIndex] = loadByName(state, env, code->m_name);
ADD_PROGRAM_COUNTER(LoadByName);
NEXT_INSTRUCTION();
}
StoreByNameOpcodeLbl : {
StoreByName* code = (StoreByName*)currentCode;
storeByName(state, env, code->m_name, registerFile[code->m_registerIndex]);
ADD_PROGRAM_COUNTER(StoreByName);
NEXT_INSTRUCTION();
}
GetGlobalObjectOpcodeLbl : {
GetGlobalObject* code = (GetGlobalObject*)currentCode;
if (LIKELY(globalObject->structure()->version() == code->m_savedGlobalObjectVersion)) {
registerFile[code->m_registerIndex] = globalObject->getOwnPropertyUtilForObject(state, code->m_cachedIndex, globalObject);
registerFile[code->m_registerIndex] = globalObject->uncheckedGetOwnDataProperty(state, code->m_cachedIndex);
} else {
registerFile[code->m_registerIndex] = getGlobalObjectSlowCase(state, globalObject, code);
}
@ -161,7 +147,7 @@ void ByteCodeInterpreter::interpret(ExecutionState& state, CodeBlock* codeBlock,
SetGlobalObjectOpcodeLbl : {
SetGlobalObject* code = (SetGlobalObject*)currentCode;
if (LIKELY(globalObject->structure()->version() == code->m_savedGlobalObjectVersion)) {
globalObject->setOwnPropertyThrowsExceptionWhenStrictMode(state, code->m_cachedIndex, registerFile[code->m_registerIndex]);
globalObject->uncheckedSetOwnDataProperty(state, code->m_cachedIndex, registerFile[code->m_registerIndex]);
} else {
setGlobalObjectSlowCase(state, globalObject, code, registerFile[code->m_registerIndex]);
}
@ -596,6 +582,14 @@ void ByteCodeInterpreter::interpret(ExecutionState& state, CodeBlock* codeBlock,
NEXT_INSTRUCTION();
}
UnaryBitwiseNotOpcodeLbl : {
UnaryBitwiseNot* code = (UnaryBitwiseNot*)currentCode;
const Value& val = registerFile[code->m_registerIndex];
registerFile[code->m_registerIndex] = Value(~val.toInt32(state));
ADD_PROGRAM_COUNTER(UnaryBitwiseNot);
NEXT_INSTRUCTION();
}
CreateObjectOpcodeLbl : {
CreateObject* code = (CreateObject*)currentCode;
registerFile[code->m_registerIndex] = new Object(state);
@ -642,14 +636,6 @@ void ByteCodeInterpreter::interpret(ExecutionState& state, CodeBlock* codeBlock,
NEXT_INSTRUCTION();
}
UnaryBitwiseNotOpcodeLbl : {
UnaryBitwiseNot* code = (UnaryBitwiseNot*)currentCode;
const Value& val = registerFile[code->m_registerIndex];
registerFile[code->m_registerIndex] = Value(~val.toInt32(state));
ADD_PROGRAM_COUNTER(UnaryBitwiseNot);
NEXT_INSTRUCTION();
}
UnaryTypeofOpcodeLbl : {
UnaryTypeof* code = (UnaryTypeof*)currentCode;
Value val;
@ -730,6 +716,20 @@ void ByteCodeInterpreter::interpret(ExecutionState& state, CodeBlock* codeBlock,
return;
}
LoadByNameOpcodeLbl : {
LoadByName* code = (LoadByName*)currentCode;
registerFile[code->m_registerIndex] = loadByName(state, env, code->m_name);
ADD_PROGRAM_COUNTER(LoadByName);
NEXT_INSTRUCTION();
}
StoreByNameOpcodeLbl : {
StoreByName* code = (StoreByName*)currentCode;
storeByName(state, env, code->m_name, registerFile[code->m_registerIndex]);
ADD_PROGRAM_COUNTER(StoreByName);
NEXT_INSTRUCTION();
}
CallEvalFunctionOpcodeLbl : {
CallEvalFunction* code = (CallEvalFunction*)currentCode;
Value eval = loadByName(state, env, state.context()->staticStrings().eval);
@ -1087,7 +1087,7 @@ void ByteCodeInterpreter::interpret(ExecutionState& state, CodeBlock* codeBlock,
CodeBlock* cb = fn->codeBlock();
ByteCodeBlock* b = cb->byteCodeBlock();
ByteCode* code = b->peekCode<ByteCode>(programCounter - (size_t)b->m_code.data());
NodeLOC loc = b->computeNodeLOCFromByteCode(code, cb);
ExtendedNodeLOC loc = b->computeNodeLOCFromByteCode(code, cb);
if (sb->m_stackTraceData.size() == 0 || sb->m_stackTraceData.back().first != ec) {
SandBox::StackTraceData data;
data.loc = loc;
@ -1109,7 +1109,7 @@ void ByteCodeInterpreter::interpret(ExecutionState& state, CodeBlock* codeBlock,
CodeBlock* cb = ec->m_lexicalEnvironment->record()->asGlobalEnvironmentRecord()->globalCodeBlock();
ByteCodeBlock* b = cb->byteCodeBlock();
ByteCode* code = b->peekCode<ByteCode>((size_t)programCounter - (size_t)b->m_code.data());
NodeLOC loc = b->computeNodeLOCFromByteCode(code, cb);
ExtendedNodeLOC loc = b->computeNodeLOCFromByteCode(code, cb);
SandBox::StackTraceData data;
data.loc = loc;
data.fileName = cb->script()->fileName();
@ -1719,6 +1719,12 @@ Value ByteCodeInterpreter::getGlobalObjectSlowCase(ExecutionState& state, Object
if (UNLIKELY(idx == SIZE_MAX)) {
ErrorObject::throwBuiltinError(state, ErrorObject::ReferenceError, code->m_propertyName.string(), false, String::emptyString, errorMessage_IsNotDefined);
} else {
const ObjectStructureItem& item = go->structure()->readProperty(state, idx);
if (!item.m_descriptor.isPlainDataProperty()) {
code->m_savedGlobalObjectVersion = SIZE_MAX;
return go->getOwnPropertyUtilForObject(state, idx, go);
}
code->m_cachedIndex = idx;
code->m_savedGlobalObjectVersion = go->structure()->version();
}
@ -1734,6 +1740,12 @@ void ByteCodeInterpreter::setGlobalObjectSlowCase(ExecutionState& state, Object*
}
go->setThrowsExceptionWhenStrictMode(state, ObjectPropertyName(state, code->m_propertyName), value, go);
} else {
const ObjectStructureItem& item = go->structure()->readProperty(state, idx);
if (!item.m_descriptor.isPlainDataProperty()) {
code->m_savedGlobalObjectVersion = SIZE_MAX;
go->setThrowsExceptionWhenStrictMode(state, ObjectPropertyName(state, code->m_propertyName), value, go);
return;
}
code->m_cachedIndex = idx;
code->m_savedGlobalObjectVersion = go->structure()->version();
go->setOwnPropertyThrowsExceptionWhenStrictMode(state, idx, value);