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Issue #2234 - Part 1: Create async function wrapper when instantiating module functions

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This excludes the change that removes "excessive" rooting from the Lambda* methods in Interpreter.cpp.

Based on https://bugzilla.mozilla.org/show_bug.cgi?id=1382306
This commit is contained in:
FranklinDM 2023-05-07 00:43:59 +08:00 • committed by roytam1
commit ab1c0a384d
1 changed files with 13 additions and 2 deletions
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15
js/src/builtin/ModuleObject.cpp
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@ -12,6 +12,8 @@
#include "gc/Policy.h"
#include "gc/Tracer.h"
#include "vm/SelfHosting.h"
#include "vm/AsyncFunction.h"
#include "vm/AsyncIteration.h"
#include "jsobjinlines.h"
#include "jsscriptinlines.h"
@ -954,15 +956,24 @@ ModuleObject::instantiateFunctionDeclarations(JSContext* cx, HandleModuleObject
RootedModuleEnvironmentObject env(cx, &self->initialEnvironment());
RootedFunction fun(cx);
RootedObject obj(cx);
RootedValue value(cx);
for (const auto& funDecl : *funDecls) {
fun = funDecl.fun;
RootedObject obj(cx, Lambda(cx, fun, env));
obj = Lambda(cx, fun, env);
if (!obj)
return false;
value = ObjectValue(*fun);
if (fun->isAsync()) {
if (fun->isStarGenerator()) {
obj = WrapAsyncGenerator(cx, obj.as<JSFunction>());
} else {
obj = WrapAsyncFunction(cx, obj.as<JSFunction>());
}
}
value = ObjectValue(*obj);
if (!SetProperty(cx, env, funDecl.name->asPropertyName(), value))
return false;
}