UnlinkedFunctionCodeBlock* UnlinkedFunctionExecutable::codeBlockFor(JSGlobalData& globalData, JSScope* scope, const SourceCode& source, CodeSpecializationKind specializationKind, DebuggerMode debuggerMode, ProfilerMode profilerMode, ParserError& error)
{
switch (specializationKind) {
case CodeForCall:
if (UnlinkedFunctionCodeBlock* codeBlock = m_codeBlockForCall.get())
return codeBlock;
break;
case CodeForConstruct:
if (UnlinkedFunctionCodeBlock* codeBlock = m_codeBlockForConstruct.get())
return codeBlock;
break;
}
UnlinkedFunctionCodeBlock* result = generateFunctionCodeBlock(globalData, scope, this, source, specializationKind, debuggerMode, profilerMode, error);
if (error.m_type != ParserError::ErrorNone)
return 0;
switch (specializationKind) {
case CodeForCall:
m_codeBlockForCall.set(globalData, this, result);
m_symbolTableForCall.set(globalData, this, result->symbolTable());
break;
case CodeForConstruct:
m_codeBlockForConstruct.set(globalData, this, result);
m_symbolTableForConstruct.set(globalData, this, result->symbolTable());
break;
}
return result;
}
UnlinkedFunctionCodeBlock* UnlinkedFunctionExecutable::codeBlockFor(VM& vm, const SourceCode& source, CodeSpecializationKind specializationKind, DebuggerMode debuggerMode, ProfilerMode profilerMode, bool bodyIncludesBraces, ParserError& error)
{
switch (specializationKind) {
case CodeForCall:
if (UnlinkedFunctionCodeBlock* codeBlock = m_codeBlockForCall.get())
return codeBlock;
break;
case CodeForConstruct:
if (UnlinkedFunctionCodeBlock* codeBlock = m_codeBlockForConstruct.get())
return codeBlock;
break;
}
UnlinkedFunctionCodeBlock* result = generateFunctionCodeBlock(vm, this, source, specializationKind, debuggerMode, profilerMode, isBuiltinFunction() ? UnlinkedBuiltinFunction : UnlinkedNormalFunction, bodyIncludesBraces, error);
if (error.m_type != ParserError::ErrorNone)
return 0;
switch (specializationKind) {
case CodeForCall:
m_codeBlockForCall.set(vm, this, result);
m_symbolTableForCall.set(vm, this, result->symbolTable());
break;
case CodeForConstruct:
m_codeBlockForConstruct.set(vm, this, result);
m_symbolTableForConstruct.set(vm, this, result->symbolTable());
break;
}
return result;
}
UnlinkedFunctionCodeBlock* CodeCache::getFunctionCodeBlock(JSGlobalData& globalData, UnlinkedFunctionExecutable* executable, const SourceCode& source, CodeSpecializationKind kind, DebuggerMode debuggerMode, ProfilerMode profilerMode, ParserError& error)
{
if (debuggerMode == DebuggerOn || profilerMode == ProfilerOn)
return generateFunctionCodeBlock(globalData, executable, source, kind, debuggerMode, profilerMode, error);
SourceCode functionSource(source.provider(), executable->functionStartOffset(), source.endOffset(), source.firstLine());
CodeBlockKey key = makeCodeBlockKey(functionSource, kind == CodeForCall ? FunctionCallType : FunctionConstructType, executable->isInStrictContext() ? JSParseStrict : JSParseNormal);
if (const Strong<UnlinkedFunctionCodeBlock>* cacheEntry = m_cachedFunctionExecutables.find(key)) {
if (cacheEntry) {
UnlinkedFunctionCodeBlock* unlinkedCode = cacheEntry->get();
unsigned firstLine = source.firstLine() + unlinkedCode->firstLine();
executable->recordParse(unlinkedCode->codeFeatures(), unlinkedCode->hasCapturedVariables(), firstLine, firstLine + unlinkedCode->lineCount());
m_recentlyUsedFunctionCode.add(unlinkedCode, *cacheEntry);
return unlinkedCode;
}
}
UnlinkedFunctionCodeBlock* result = generateFunctionCodeBlock(globalData, executable, source, kind, debuggerMode, profilerMode, error);
m_cachedFunctionExecutables.add(key, Strong<UnlinkedFunctionCodeBlock>(globalData, result));
return result;
}
