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LibJS: Add interpreter exception checks

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Matthew Olsson 2020-06-07 10:53:14 -07:00 • committed by Andreas Kling
parent f306ddb78b
commit 4e33fbdb67
11 changed files with 137 additions and 36 deletions
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14
Libraries/LibJS/Interpreter.cpp
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@ -107,10 +107,13 @@ void Interpreter::enter_scope(const ScopeNode& scope_node, ArgumentVector argume
for (auto& declaration : scope_node.variables()) {
for (auto& declarator : declaration.declarations()) {
if (scope_node.is_program())
if (scope_node.is_program()) {
global_object().put(declarator.id().string(), js_undefined());
else
if (exception())
return;
} else {
scope_variables_with_declaration_kind.set(declarator.id().string(), { js_undefined(), declaration.declaration_kind() });
}
}
}
@ -233,8 +236,13 @@ Value Interpreter::construct(Function& function, Function& new_target, Optional<
auto* new_object = Object::create_empty(*this, global_object());
auto prototype = new_target.get("prototype");
if (prototype.is_object())
if (exception())
return {};
if (prototype.is_object()) {
new_object->set_prototype(&prototype.as_object());
if (exception())
return {};
}
call_frame.this_value = new_object;
auto result = function.construct(*this);