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LibJS: Convert create_immutable_binding() to ThrowCompletionOr

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Also add spec step comments to it while we're here.
This commit is contained in:
Linus Groh 2021-10-09 19:00:06 +01:00
parent 4baf3a91e8
commit 2691c65639
10 changed files with 29 additions and 22 deletions
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4
Userland/Libraries/LibJS/Runtime/ECMAScriptFunctionObject.cpp
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@ -374,7 +374,7 @@ ThrowCompletionOr<void> ECMAScriptFunctionObject::function_declaration_instantia
arguments_object = create_mapped_arguments_object(global_object(), *this, formal_parameters(), vm.running_execution_context().arguments, *environment);
if (is_strict_mode())
environment->create_immutable_binding(global_object(), vm.names.arguments.as_string(), false);
MUST(environment->create_immutable_binding(global_object(), vm.names.arguments.as_string(), false));
else
MUST(environment->create_mutable_binding(global_object(), vm.names.arguments.as_string(), false));
@ -524,7 +524,7 @@ ThrowCompletionOr<void> ECMAScriptFunctionObject::function_declaration_instantia
scope_body->for_each_lexically_scoped_declaration([&](Declaration const& declaration) {
declaration.for_each_bound_name([&](auto const& name) {
if (declaration.is_constant_declaration())
lex_environment->create_immutable_binding(global_object(), name, true);
MUST(lex_environment->create_immutable_binding(global_object(), name, true));
else
MUST(lex_environment->create_mutable_binding(global_object(), name, false));
return IterationDecision::Continue;