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LibWeb/CSS: Give calc() a CalculationContext for resolving percentages

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This is passed in at construction, meaning we will be able to refer to
it later, when we're no longer inside the Parser.
This commit is contained in:
Sam Atkins
2025-01-08 16:14:17 +00:00
parent bc00ef8314
commit 4efdb76857
8 changed files with 111 additions and 84 deletions
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6
Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateCSSMathFunctions.cpp
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@@ -116,7 +116,7 @@ static Optional<RoundingStrategy> parse_rounding_strategy(Vector<ComponentValue>
return keyword_to_rounding_strategy(maybe_keyword.value());
}
OwnPtr<CalculationNode> Parser::parse_math_function(Function const& function)
OwnPtr<CalculationNode> Parser::parse_math_function(Function const& function, CalculationContext const& context)
{
TokenStream stream { function.value };
auto arguments = parse_a_comma_separated_list_of_component_values(stream);
@@ -140,7 +140,7 @@ OwnPtr<CalculationNode> Parser::parse_math_function(Function const& function)
parsed_arguments.ensure_capacity(arguments.size());
for (auto& argument : arguments) {
auto calculation_node = parse_a_calculation(argument);
auto calculation_node = parse_a_calculation(argument, context);
if (!calculation_node) {
dbgln_if(CSS_PARSER_DEBUG, "@name:lowercase@() argument #{} is not a valid calculation", parsed_arguments.size());
return nullptr;
@@ -243,7 +243,7 @@ OwnPtr<CalculationNode> Parser::parse_math_function(Function const& function)
// NOTE: This assumes everything not handled above is a calculation node of some kind.
parameter_is_calculation = true;
parameter_generator.set("parameter_type", "OwnPtr<CalculationNode>"_string);
parameter_generator.set("parse_function", "parse_a_calculation(arguments[argument_index])"_string);
parameter_generator.set("parse_function", "parse_a_calculation(arguments[argument_index], context)"_string);
parameter_generator.set("check_function", " != nullptr"_string);
parameter_generator.set("release_function", ".release_nonnull()"_string);