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LibJS: Fix assignment of const variable on declaration

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We were previously assuming that we were reassigning a variable even
when we were not, oops, my bad. :/
This commit is contained in:
0xtechnobabble 2020-03-15 23:57:54 +02:00 • committed by Andreas Kling
commit 7aad10d984
Notes: sideshowbarker 2024-07-19 08:17:03 +09:00
3 changed files with 4 additions and 4 deletions
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4
Libraries/LibJS/Interpreter.cpp
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@ -108,14 +108,14 @@ void Interpreter::declare_variable(String name, DeclarationType declaration_type
}
}
void Interpreter::set_variable(String name, Value value)
void Interpreter::set_variable(String name, Value value, bool first_assignment)
{
for (ssize_t i = m_scope_stack.size() - 1; i >= 0; --i) {
auto& scope = m_scope_stack.at(i);
auto possible_match = scope.variables.get(name);
if (possible_match.has_value()) {
if (possible_match.value().declaration_type == DeclarationType::Const)
if (!first_assignment && possible_match.value().declaration_type == DeclarationType::Const)
ASSERT_NOT_REACHED();
scope.variables.set(move(name), { move(value), possible_match.value().declaration_type });