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LibJS: Add the Function.[[ThisMode]] field

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This is not a behavioral change in itself, just prep work for future
spec-compliance changes.
This commit is contained in:
Andreas Kling 2021-06-25 20:53:17 +02:00
parent b650d11dd3
commit 667bba2410
2 changed files with 18 additions and 0 deletions
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7
Userland/Libraries/LibJS/Runtime/ScriptFunction.cpp
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@ -61,6 +61,13 @@ ScriptFunction::ScriptFunction(GlobalObject& global_object, const FlyString& nam
, m_is_strict(is_strict)
, m_is_arrow_function(is_arrow_function)
{
// NOTE: This logic is from OrdinaryFunctionCreate, https://tc39.es/ecma262/#sec-ordinaryfunctioncreate
if (m_is_arrow_function)
set_this_mode(ThisMode::Lexical);
else if (m_is_strict)
set_this_mode(ThisMode::Strict);
else
set_this_mode(ThisMode::Global);
}
void ScriptFunction::initialize(GlobalObject& global_object)