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LibWeb/CSS: Un-template some CSS Parser methods

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A few of these are only ever called with T=Token, so let's simplify them
a bit.

As a drive-by change: Also correct the "unnecessairy" typos and use
discard_a_token().
This commit is contained in:
Sam Atkins 2025-02-05 17:48:58 +00:00
commit 6da7a6eab5
Notes: github-actions[bot] 2025-02-06 16:49:15 +00:00
1 changed files with 14 additions and 28 deletions
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42
Libraries/LibWeb/CSS/Parser/Parser.cpp
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@ -633,8 +633,8 @@ ComponentValue Parser::consume_a_component_value<ComponentValue>(TokenStream<Com
// 5.4.7. Consume a component value // 5.4.7. Consume a component value
// https://drafts.csswg.org/css-syntax/#consume-component-value // https://drafts.csswg.org/css-syntax/#consume-component-value
template<typename T> template<>
ComponentValue Parser::consume_a_component_value(TokenStream<T>& input) ComponentValue Parser::consume_a_component_value(TokenStream<Token>& input)
{ {
// To consume a component value from a token stream input: // To consume a component value from a token stream input:
@ -667,18 +667,18 @@ ComponentValue Parser::consume_a_component_value(TokenStream<T>& input)
template<> template<>
void Parser::consume_a_component_value_and_do_nothing<ComponentValue>(TokenStream<ComponentValue>& tokens) void Parser::consume_a_component_value_and_do_nothing<ComponentValue>(TokenStream<ComponentValue>& tokens)
{ {
// AD-HOC: To avoid unnecessairy allocations, we explicitly define a "do nothing" variant that discards the result immediately. // AD-HOC: To avoid unnecessary allocations, we explicitly define a "do nothing" variant that discards the result immediately.
// Note: This overload is called once tokens have already been converted into component values, // Note: This overload is called once tokens have already been converted into component values,
// so we do not need to do the work in the more general overload. // so we do not need to do the work in the more general overload.
(void)tokens.consume_a_token(); tokens.discard_a_token();
} }
// 5.4.7. Consume a component value // 5.4.7. Consume a component value
// https://drafts.csswg.org/css-syntax/#consume-component-value // https://drafts.csswg.org/css-syntax/#consume-component-value
template<typename T> template<>
void Parser::consume_a_component_value_and_do_nothing(TokenStream<T>& input) void Parser::consume_a_component_value_and_do_nothing(TokenStream<Token>& input)
{ {
// AD-HOC: To avoid unnecessairy allocations, we explicitly define a "do nothing" variant that discards the result immediately. // AD-HOC: To avoid unnecessary allocations, we explicitly define a "do nothing" variant that discards the result immediately.
// To consume a component value from a token stream input: // To consume a component value from a token stream input:
// Process input: // Process input:
@ -752,8 +752,7 @@ Vector<ComponentValue> Parser::consume_a_list_of_component_values(TokenStream<T>
} }
// https://drafts.csswg.org/css-syntax/#consume-simple-block // https://drafts.csswg.org/css-syntax/#consume-simple-block
template<typename T> SimpleBlock Parser::consume_a_simple_block(TokenStream<Token>& input)
SimpleBlock Parser::consume_a_simple_block(TokenStream<T>& input)
{ {
// To consume a simple block from a token stream input: // To consume a simple block from a token stream input:
@ -789,16 +788,15 @@ SimpleBlock Parser::consume_a_simple_block(TokenStream<T>& input)
// anything else // anything else
{ {
// Consume a component value from input and append the result to block’s value. // Consume a component value from input and append the result to block’s value.
block.value.empend(move(consume_a_component_value(input))); block.value.append(consume_a_component_value(input));
} }
} }
} }
// https://drafts.csswg.org/css-syntax/#consume-simple-block // https://drafts.csswg.org/css-syntax/#consume-simple-block
template<typename T> void Parser::consume_a_simple_block_and_do_nothing(TokenStream<Token>& input)
void Parser::consume_a_simple_block_and_do_nothing(TokenStream<T>& input)
{ {
// AD-HOC: To avoid unnecessairy allocations, we explicitly define a "do nothing" variant that discards the result immediately. // AD-HOC: To avoid unnecessary allocations, we explicitly define a "do nothing" variant that discards the result immediately.
// To consume a simple block from a token stream input: // To consume a simple block from a token stream input:
// Assert: the next token of input is <{-token>, <[-token>, or <(-token>. // Assert: the next token of input is <{-token>, <[-token>, or <(-token>.
@ -834,8 +832,7 @@ void Parser::consume_a_simple_block_and_do_nothing(TokenStream<T>& input)
} }
// https://drafts.csswg.org/css-syntax/#consume-function // https://drafts.csswg.org/css-syntax/#consume-function
template<typename T> Function Parser::consume_a_function(TokenStream<Token>& input)
Function Parser::consume_a_function(TokenStream<T>& input)
{ {
// To consume a function from a token stream input: // To consume a function from a token stream input:
@ -873,10 +870,9 @@ Function Parser::consume_a_function(TokenStream<T>& input)
} }
// https://drafts.csswg.org/css-syntax/#consume-function // https://drafts.csswg.org/css-syntax/#consume-function
template<typename T> void Parser::consume_a_function_and_do_nothing(TokenStream<Token>& input)
void Parser::consume_a_function_and_do_nothing(TokenStream<T>& input)
{ {
// AD-HOC: To avoid unnecessairy allocations, we explicitly define a "do nothing" variant that discards the result immediately. // AD-HOC: To avoid unnecessary allocations, we explicitly define a "do nothing" variant that discards the result immediately.
// To consume a function from a token stream input: // To consume a function from a token stream input:
// Assert: The next token is a <function-token>. // Assert: The next token is a <function-token>.
@ -1703,16 +1699,6 @@ template Vector<RuleOrListOfDeclarations> Parser::consume_a_blocks_contents(Toke
template Vector<ComponentValue> Parser::consume_a_list_of_component_values(TokenStream<ComponentValue>&, Optional<Token::Type>, Nested); template Vector<ComponentValue> Parser::consume_a_list_of_component_values(TokenStream<ComponentValue>&, Optional<Token::Type>, Nested);
template Vector<ComponentValue> Parser::consume_a_list_of_component_values(TokenStream<Token>&, Optional<Token::Type>, Nested); template Vector<ComponentValue> Parser::consume_a_list_of_component_values(TokenStream<Token>&, Optional<Token::Type>, Nested);
template SimpleBlock Parser::consume_a_simple_block(TokenStream<Token>&);
template void Parser::consume_a_simple_block_and_do_nothing(TokenStream<Token>&);
template Function Parser::consume_a_function(TokenStream<Token>&);
template Function Parser::consume_a_function(TokenStream<ComponentValue>&);
template void Parser::consume_a_function_and_do_nothing(TokenStream<Token>&);
template void Parser::consume_a_function_and_do_nothing(TokenStream<ComponentValue>&);
template Optional<Declaration> Parser::consume_a_declaration(TokenStream<Token>&, Nested); template Optional<Declaration> Parser::consume_a_declaration(TokenStream<Token>&, Nested);
template Optional<Declaration> Parser::consume_a_declaration(TokenStream<ComponentValue>&, Nested); template Optional<Declaration> Parser::consume_a_declaration(TokenStream<ComponentValue>&, Nested);