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LibJS: Remove m_first_invalid_property_range from ObjectExpression

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This was state only used by the parser to output an error with
appropriate location. This shrinks the size of ObjectExpression from
120 bytes down to just 56. This saves roughly 2.5 MiB when loading
twitter.
This commit is contained in:
davidot 2022-11-27 02:24:38 +01:00 • committed by Linus Groh
parent 3acbd96851
commit 2c26ee89ac
3 changed files with 12 additions and 9 deletions
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14
Userland/Libraries/LibJS/Parser.cpp
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@ -1799,10 +1799,16 @@ NonnullRefPtr<ObjectExpression> Parser::parse_object_expression()
}
consume(TokenType::CurlyClose);
if (invalid_object_literal_property_range.has_value()) {
size_t object_expression_offset = rule_start.position().offset;
VERIFY(!m_state.invalid_property_range_in_object_expression.contains(object_expression_offset));
m_state.invalid_property_range_in_object_expression.set(object_expression_offset, invalid_object_literal_property_range->start);
}
return create_ast_node<ObjectExpression>(
{ m_source_code, rule_start.position(), position() },
move(properties),
move(invalid_object_literal_property_range));
move(properties));
}
NonnullRefPtr<ArrayExpression> Parser::parse_array_expression()
@ -1939,8 +1945,8 @@ NonnullRefPtr<Expression> Parser::parse_expression(int min_precedence, Associati
auto [expression, should_continue_parsing] = parse_primary_expression();
auto check_for_invalid_object_property = [&](auto& expression) {
if (is<ObjectExpression>(*expression)) {
if (auto range = static_cast<ObjectExpression&>(*expression).invalid_property_range(); range.has_value())
syntax_error("Invalid property in object literal", range->start);
if (auto start_offset = m_state.invalid_property_range_in_object_expression.get(expression->start_offset()); start_offset.has_value())
syntax_error("Invalid property in object literal", start_offset.value());
}
};
if (is<Identifier>(*expression) && m_state.current_scope_pusher) {