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Implement await dynamic import resolution

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Signed-off-by: Seonghyun Kim <sh8281.kim@samsung.com>
This commit is contained in:
Seonghyun Kim 2021-04-13 20:37:22 +09:00 • committed by Hyukwoo Park
commit 4cd0da1e07
9 changed files with 159 additions and 39 deletions
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22
src/parser/Script.cpp
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@ -322,7 +322,6 @@ Value Script::execute(ExecutionState& state, bool isExecuteOnEvalFunction, bool
}
if (isModule()) {
ASSERT(!moduleData()->m_didCallLoadedCallback);
if (!moduleData()->m_didCallLoadedCallback) {
context()->vmInstance()->platform()->didLoadModule(context(), nullptr, this);
moduleData()->m_didCallLoadedCallback = true;
@ -586,6 +585,22 @@ Value Script::executeLocal(ExecutionState& state, Value thisValue, InterpretedCo
return resultValue;
}
void* Script::ModuleData::ModulePromiseObject::operator new(size_t size)
{
static bool typeInited = false;
static GC_descr descr;
if (!typeInited) {
GC_word desc[GC_BITMAP_SIZE(ModulePromiseObject)] = { 0 };
PromiseObject::fillGCDescriptor(desc);
GC_set_bit(desc, GC_WORD_OFFSET(ModulePromiseObject, m_referrer));
GC_set_bit(desc, GC_WORD_OFFSET(ModulePromiseObject, m_loadedScript));
GC_set_bit(desc, GC_WORD_OFFSET(ModulePromiseObject, m_value));
descr = GC_make_descriptor(desc, GC_WORD_LEN(ModulePromiseObject));
typeInited = true;
}
return GC_MALLOC_EXPLICITLY_TYPED(size, descr);
}
Script::ModuleExecutionResult Script::moduleLinking(ExecutionState& state)
{
// On success, Instantiate transitions this module's [[Status]] from "unlinked" to "linked". On failure, an exception is thrown and this module's [[Status]] remains "unlinked".
@ -1127,6 +1142,11 @@ void Script::asyncModuleFulfilled(ExecutionState& state, Script* module)
}
}
}
for (size_t i = 0; i < module->moduleData()->m_asyncPendingPromises.size(); i++) {
module->moduleData()->m_asyncPendingPromises[i]->fulfill(state, module->getModuleNamespace(state));
}
module->moduleData()->m_asyncPendingPromises.clear();
}
Value Script::asyncModuleFulfilledFunction(ExecutionState& state, Value thisValue, size_t argc, Value* argv, Optional<Object*> newTarget)