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LibJS: Add ScriptOrModule to execution context and track it everywhere

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davidot 2022-01-17 14:48:22 +01:00 • committed by Linus Groh
parent 99edf5b25a
commit 57c5a59cab
10 changed files with 42 additions and 6 deletions
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9
Userland/Libraries/LibJS/Runtime/ECMAScriptFunctionObject.cpp
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@ -71,13 +71,20 @@ ECMAScriptFunctionObject::ECMAScriptFunctionObject(FlyString name, String source
, m_is_arrow_function(is_arrow_function)
{
// NOTE: This logic is from OrdinaryFunctionCreate, https://tc39.es/ecma262/#sec-ordinaryfunctioncreate
// 9. If thisMode is lexical-this, set F.[[ThisMode]] to lexical.
if (m_is_arrow_function)
m_this_mode = ThisMode::Lexical;
// 10. Else if Strict is true, set F.[[ThisMode]] to strict.
else if (m_strict)
m_this_mode = ThisMode::Strict;
else
// 11. Else, set F.[[ThisMode]] to global.
m_this_mode = ThisMode::Global;
// 15. Set F.[[ScriptOrModule]] to GetActiveScriptOrModule().
m_script_or_module = vm().get_active_script_or_module();
// 15.1.3 Static Semantics: IsSimpleParameterList, https://tc39.es/ecma262/#sec-static-semantics-issimpleparameterlist
m_has_simple_parameter_list = all_of(m_formal_parameters, [&](auto& parameter) {
if (parameter.is_rest)
@ -595,7 +602,7 @@ ThrowCompletionOr<void> ECMAScriptFunctionObject::prepare_for_ordinary_call(Exec
callee_context.realm = callee_realm;
// 6. Set the ScriptOrModule of calleeContext to F.[[ScriptOrModule]].
// FIXME: Our execution context struct currently does not track this item.
callee_context.script_or_module = m_script_or_module;
// 7. Let localEnv be NewFunctionEnvironment(F, newTarget).
auto* local_environment = new_function_environment(*this, new_target);