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// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/execution/arguments-inl.h"
#include "src/logging/counters.h"
#include "src/objects/js-promise.h"
#include "src/objects/objects-inl.h"
#include "src/objects/source-text-module.h"
#include "src/runtime/runtime-utils.h"
namespace v8 {
namespace internal {
namespace {
Handle<Script> GetEvalOrigin(Isolate* isolate, Script origin_script) {
DisallowGarbageCollection no_gc;
while (origin_script.has_eval_from_shared()) {
HeapObject maybe_script = origin_script.eval_from_shared().script();
CHECK(maybe_script.IsScript());
origin_script = Script::cast(maybe_script);
}
return handle(origin_script, isolate);
}
} // namespace
RUNTIME_FUNCTION(Runtime_DynamicImportCall) {
HandleScope scope(isolate);
DCHECK_LE(2, args.length());
DCHECK_GE(3, args.length());
CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
CONVERT_ARG_HANDLE_CHECKED(Object, specifier, 1);
MaybeHandle<Object> import_assertions;
if (args.length() == 3) {
CHECK(args[2].IsObject());
import_assertions = args.at<Object>(2);
}
Handle<Script> referrer_script =
GetEvalOrigin(isolate, Script::cast(function->shared().script()));
RETURN_RESULT_OR_FAILURE(isolate,
isolate->RunHostImportModuleDynamicallyCallback(
referrer_script, specifier, import_assertions));
}
RUNTIME_FUNCTION(Runtime_GetModuleNamespace) {
HandleScope scope(isolate);
DCHECK_EQ(1, args.length());
CONVERT_SMI_ARG_CHECKED(module_request, 0);
Handle<SourceTextModule> module(isolate->context().module(), isolate);
return *SourceTextModule::GetModuleNamespace(isolate, module, module_request);
}
RUNTIME_FUNCTION(Runtime_GetImportMetaObject) {
HandleScope scope(isolate);
DCHECK_EQ(0, args.length());
Handle<SourceTextModule> module(isolate->context().module(), isolate);
RETURN_RESULT_OR_FAILURE(isolate,
SourceTextModule::GetImportMeta(isolate, module));
}
} // namespace internal
} // namespace v8
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