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LibJS: Align codegen AwaitExpressions to YieldExpressions

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We use generators in bytecode to approximate async functions, but the
code generated by AwaitExpressions did not have the value processing
paths that Yield requires, eg the `generator.throw()` path, which is
used by AsyncFunctionDriverWrapper to signal Promise rejections.
This commit is contained in:
Hendiadyoin1 2022-12-25 17:15:29 +01:00 • committed by Linus Groh
parent 1f6a0ef6e0
commit de514f29ad
4 changed files with 47 additions and 3 deletions
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6
Userland/Libraries/LibJS/Bytecode/Interpreter.h
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@ -65,7 +65,11 @@ public:
VERIFY(unwind_contexts().last().finalizer);
jump(Label { *unwind_contexts().last().finalizer });
}
void do_return(Value return_value) { m_return_value = return_value; }
void do_return(Value return_value)
{
m_return_value = return_value;
m_saved_exception = {};
}
void enter_unwind_context(Optional<Label> handler_target, Optional<Label> finalizer_target);
void leave_unwind_context();