StructureChain* IntendedStructureChain::chain(VM& vm) const
{
ASSERT(isStillValid());
StructureChain* result = StructureChain::create(vm, m_head);
ASSERT(matches(result));
return result;
}
bool ObjectPropertyCondition::isStillValid() const
{
if (!*this)
return false;
return isStillValid(m_object->structure());
}
CompilationResult Plan::finalizeWithoutNotifyingCallback()
{
if (!isStillValid())
return CompilationInvalidated;
bool result;
if (codeBlock->codeType() == FunctionCode)
result = finalizer->finalizeFunction();
else
result = finalizer->finalize();
if (!result)
return CompilationFailed;
reallyAdd(codeBlock->jitCode()->dfgCommon());
return CompilationSuccessful;
}
CompilationResult Plan::finalize(RefPtr<JSC::JITCode>& jitCode, MacroAssemblerCodePtr* jitCodeWithArityCheck)
{
if (!isStillValid())
return CompilationInvalidated;
bool result;
if (compileMode == CompileFunction)
result = finalizer->finalizeFunction(jitCode, *jitCodeWithArityCheck);
else
result = finalizer->finalize(jitCode);
if (!result)
return CompilationFailed;
reallyAdd();
return CompilationSuccessful;
}
CompilationResult Plan::finalizeWithoutNotifyingCallback()
{
// We will establish new references from the code block to things. So, we need a barrier.
vm->heap.writeBarrier(codeBlock);
if (!isStillValid()) {
CODEBLOCK_LOG_EVENT(codeBlock, "dfgFinalize", ("invalidated"));
return CompilationInvalidated;
}
bool result;
if (codeBlock->codeType() == FunctionCode)
result = finalizer->finalizeFunction();
else
result = finalizer->finalize();
if (!result) {
CODEBLOCK_LOG_EVENT(codeBlock, "dfgFinalize", ("failed"));
return CompilationFailed;
}
reallyAdd(codeBlock->jitCode()->dfgCommon());
if (validationEnabled()) {
TrackedReferences trackedReferences;
for (WriteBarrier<JSCell>& reference : codeBlock->jitCode()->dfgCommon()->weakReferences)
trackedReferences.add(reference.get());
for (WriteBarrier<Structure>& reference : codeBlock->jitCode()->dfgCommon()->weakStructureReferences)
trackedReferences.add(reference.get());
for (WriteBarrier<Unknown>& constant : codeBlock->constants())
trackedReferences.add(constant.get());
// Check that any other references that we have anywhere in the JITCode are also
// tracked either strongly or weakly.
codeBlock->jitCode()->validateReferences(trackedReferences);
}
CODEBLOCK_LOG_EVENT(codeBlock, "dfgFinalize", ("succeeded"));
return CompilationSuccessful;
}
bool PropertyCondition::isWatchable(
Structure* structure, JSObject* base, WatchabilityEffort effort) const
{
return isStillValid(structure, base)
&& isWatchableWhenValid(structure, effort);
}
