PassRefPtr<FunctionCodeBlock> FunctionExecutable::produceCodeBlockFor(JSScope* scope, CodeSpecializationKind specializationKind, JSObject*& exception)
{
RefPtr<FunctionCodeBlock> alternative = codeBlockFor(specializationKind);
if (!!alternative) {
RefPtr<FunctionCodeBlock> result = adoptRef(new FunctionCodeBlock(CodeBlock::CopyParsedBlock, *codeBlockFor(specializationKind)));
result->setAlternative(alternative);
return result.release();
}
VM* vm = scope->vm();
JSGlobalObject* globalObject = scope->globalObject();
ParserError error;
DebuggerMode debuggerMode = globalObject->hasDebugger() ? DebuggerOn : DebuggerOff;
ProfilerMode profilerMode = globalObject->hasProfiler() ? ProfilerOn : ProfilerOff;
UnlinkedFunctionCodeBlock* unlinkedCodeBlock = m_unlinkedExecutable->codeBlockFor(*vm, m_source, specializationKind, debuggerMode, profilerMode, error);
recordParse(m_unlinkedExecutable->features(), m_unlinkedExecutable->hasCapturedVariables(), lineNo(), lastLine(), startColumn());
if (!unlinkedCodeBlock) {
exception = error.toErrorObject(globalObject, m_source);
return 0;
}
SourceProvider* provider = source().provider();
unsigned sourceOffset = source().startOffset();
unsigned startColumn = source().startColumn();
return adoptRef(new FunctionCodeBlock(this, unlinkedCodeBlock, scope, provider, sourceOffset, startColumn));
}
RefPtr<CodeBlock> ScriptExecutable::newCodeBlockFor(
CodeSpecializationKind kind, JSFunction* function, JSScope* scope, JSObject*& exception)
{
VM* vm = scope->vm();
ASSERT(vm->heap.isDeferred());
ASSERT(startColumn() != UINT_MAX);
ASSERT(endColumn() != UINT_MAX);
if (classInfo() == EvalExecutable::info()) {
EvalExecutable* executable = jsCast<EvalExecutable*>(this);
RELEASE_ASSERT(kind == CodeForCall);
RELEASE_ASSERT(!executable->m_evalCodeBlock);
RELEASE_ASSERT(!function);
return adoptRef(new EvalCodeBlock(
executable, executable->m_unlinkedEvalCodeBlock.get(), scope,
executable->source().provider()));
}
if (classInfo() == ProgramExecutable::info()) {
ProgramExecutable* executable = jsCast<ProgramExecutable*>(this);
RELEASE_ASSERT(kind == CodeForCall);
RELEASE_ASSERT(!executable->m_programCodeBlock);
RELEASE_ASSERT(!function);
return adoptRef(new ProgramCodeBlock(
executable, executable->m_unlinkedProgramCodeBlock.get(), scope,
executable->source().provider(), executable->source().startColumn()));
}
RELEASE_ASSERT(classInfo() == FunctionExecutable::info());
RELEASE_ASSERT(function);
FunctionExecutable* executable = jsCast<FunctionExecutable*>(this);
RELEASE_ASSERT(!executable->codeBlockFor(kind));
JSGlobalObject* globalObject = scope->globalObject();
ParserError error;
DebuggerMode debuggerMode = globalObject->hasDebugger() ? DebuggerOn : DebuggerOff;
ProfilerMode profilerMode = globalObject->hasProfiler() ? ProfilerOn : ProfilerOff;
UnlinkedFunctionCodeBlock* unlinkedCodeBlock =
executable->m_unlinkedExecutable->codeBlockFor(*vm, executable->m_source, kind, debuggerMode, profilerMode, error, executable->isArrowFunction());
recordParse(executable->m_unlinkedExecutable->features(), executable->m_unlinkedExecutable->hasCapturedVariables(), firstLine(), lastLine(), startColumn(), endColumn());
if (!unlinkedCodeBlock) {
exception = vm->throwException(
globalObject->globalExec(),
error.toErrorObject(globalObject, executable->m_source));
return nullptr;
}
SourceProvider* provider = executable->source().provider();
unsigned sourceOffset = executable->source().startOffset();
unsigned startColumn = executable->source().startColumn();
return adoptRef(new FunctionCodeBlock(
executable, unlinkedCodeBlock, scope, provider, sourceOffset, startColumn));
}
PassOwnPtr<FunctionCodeBlock> FunctionExecutable::produceCodeBlockFor(JSScope* scope, CodeSpecializationKind specializationKind, JSObject*& exception)
{
if (!!codeBlockFor(specializationKind))
return adoptPtr(new FunctionCodeBlock(CodeBlock::CopyParsedBlock, *codeBlockFor(specializationKind)));
JSGlobalData* globalData = scope->globalData();
JSGlobalObject* globalObject = scope->globalObject();
ParserError error;
DebuggerMode debuggerMode = globalObject->hasDebugger() ? DebuggerOn : DebuggerOff;
ProfilerMode profilerMode = globalObject->hasProfiler() ? ProfilerOn : ProfilerOff;
UnlinkedFunctionCodeBlock* unlinkedCodeBlock = m_unlinkedExecutable->codeBlockFor(*globalData, m_source, specializationKind, debuggerMode, profilerMode, error);
recordParse(m_unlinkedExecutable->features(), m_unlinkedExecutable->hasCapturedVariables(), lineNo(), lastLine());
if (!unlinkedCodeBlock) {
exception = error.toErrorObject(globalObject, m_source);
return nullptr;
}
OwnPtr<FunctionCodeBlock> result = adoptPtr(new FunctionCodeBlock(this, unlinkedCodeBlock, globalObject, source().provider(), source().startOffset()));
result->copyPostParseDataFrom(codeBlockFor(specializationKind).get());
return result.release();
}
PassRefPtr<CodeBlock> ScriptExecutable::newCodeBlockFor(
CodeSpecializationKind kind, JSFunction* function, JSScope** scope, JSObject*& exception)
{
VM* vm = (*scope)->vm();
ASSERT(vm->heap.isDeferred());
ASSERT(startColumn() != UINT_MAX);
ASSERT(endColumn() != UINT_MAX);
if (classInfo() == EvalExecutable::info()) {
EvalExecutable* executable = jsCast<EvalExecutable*>(this);
RELEASE_ASSERT(kind == CodeForCall);
RELEASE_ASSERT(!executable->m_evalCodeBlock);
RELEASE_ASSERT(!function);
return adoptRef(new EvalCodeBlock(
executable, executable->m_unlinkedEvalCodeBlock.get(), *scope,
executable->source().provider()));
}
if (classInfo() == ProgramExecutable::info()) {
ProgramExecutable* executable = jsCast<ProgramExecutable*>(this);
RELEASE_ASSERT(kind == CodeForCall);
RELEASE_ASSERT(!executable->m_programCodeBlock);
RELEASE_ASSERT(!function);
return adoptRef(new ProgramCodeBlock(
executable, executable->m_unlinkedProgramCodeBlock.get(), *scope,
executable->source().provider(), executable->source().startColumn()));
}
RELEASE_ASSERT(classInfo() == FunctionExecutable::info());
RELEASE_ASSERT(function);
FunctionExecutable* executable = jsCast<FunctionExecutable*>(this);
RELEASE_ASSERT(!executable->codeBlockFor(kind));
JSGlobalObject* globalObject = (*scope)->globalObject();
ParserError error;
DebuggerMode debuggerMode = globalObject->hasDebugger() ? DebuggerOn : DebuggerOff;
ProfilerMode profilerMode = globalObject->hasProfiler() ? ProfilerOn : ProfilerOff;
UnlinkedFunctionCodeBlock* unlinkedCodeBlock =
executable->m_unlinkedExecutable->codeBlockFor(
*vm, executable->m_source, kind, debuggerMode, profilerMode, error);
recordParse(executable->m_unlinkedExecutable->features(), executable->m_unlinkedExecutable->hasCapturedVariables(), lineNo(), lastLine(), startColumn(), endColumn());
if (!unlinkedCodeBlock) {
exception = vm->throwException(
globalObject->globalExec(),
error.toErrorObject(globalObject, executable->m_source));
return 0;
}
// Parsing reveals whether our function uses features that require a separate function name object in the scope chain.
// Be sure to add this scope before linking the bytecode because this scope will change the resolution depth of non-local variables.
if (!executable->m_didParseForTheFirstTime) {
executable->m_didParseForTheFirstTime = true;
function->addNameScopeIfNeeded(*vm);
*scope = function->scope();
}
SourceProvider* provider = executable->source().provider();
unsigned sourceOffset = executable->source().startOffset();
unsigned startColumn = executable->source().startColumn();
return adoptRef(new FunctionCodeBlock(
executable, unlinkedCodeBlock, *scope, provider, sourceOffset, startColumn));
}