mirror of
https://github.com/RGBCube/serenity
synced 2025-07-27 01:37:36 +00:00
LibCMake+LibSyntax: Add a CMake syntax highlighter
This commit is contained in:
parent
3d8cc2257f
commit
9f9ea8ccb5
5 changed files with 148 additions and 0 deletions
112
Userland/Libraries/LibCMake/SyntaxHighlighter.cpp
Normal file
112
Userland/Libraries/LibCMake/SyntaxHighlighter.cpp
Normal file
|
@ -0,0 +1,112 @@
|
|||
/*
|
||||
* Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
|
||||
*
|
||||
* SPDX-License-Identifier: BSD-2-Clause
|
||||
*/
|
||||
|
||||
#include "SyntaxHighlighter.h"
|
||||
#include <LibCMake/Lexer.h>
|
||||
#include <LibCMake/Token.h>
|
||||
|
||||
namespace CMake {
|
||||
|
||||
static Syntax::TextStyle style_for_token_type(Gfx::Palette const& palette, Token::Type type)
|
||||
{
|
||||
switch (type) {
|
||||
case Token::Type::BracketComment:
|
||||
case Token::Type::LineComment:
|
||||
return { palette.syntax_comment() };
|
||||
case Token::Type::Identifier:
|
||||
return { palette.syntax_function() };
|
||||
case Token::Type::ControlKeyword:
|
||||
return { palette.syntax_control_keyword() };
|
||||
case Token::Type::OpenParen:
|
||||
case Token::Type::CloseParen:
|
||||
return { palette.syntax_punctuation() };
|
||||
case Token::Type::BracketArgument:
|
||||
return { palette.syntax_parameter() };
|
||||
case Token::Type::QuotedArgument:
|
||||
return { palette.syntax_string() };
|
||||
case Token::Type::UnquotedArgument:
|
||||
return { palette.syntax_parameter() };
|
||||
case Token::Type::Garbage:
|
||||
return { palette.red() };
|
||||
case Token::Type::VariableReference:
|
||||
// This is a bit arbitrary, since we don't have a color specifically for this.
|
||||
return { palette.syntax_preprocessor_value() };
|
||||
default:
|
||||
return { palette.base_text() };
|
||||
}
|
||||
}
|
||||
|
||||
bool SyntaxHighlighter::is_identifier(u64 token_type) const
|
||||
{
|
||||
auto cmake_token = static_cast<Token::Type>(token_type);
|
||||
return cmake_token == Token::Type::Identifier;
|
||||
}
|
||||
|
||||
void SyntaxHighlighter::rehighlight(Gfx::Palette const& palette)
|
||||
{
|
||||
auto text = m_client->get_text();
|
||||
auto tokens = Lexer::lex(text).release_value_but_fixme_should_propagate_errors();
|
||||
|
||||
Vector<GUI::TextDocumentSpan> spans;
|
||||
auto highlight_span = [&](Token::Type type, Position const& start, Position const& end) {
|
||||
GUI::TextDocumentSpan span;
|
||||
span.range.set_start({ start.line, start.column });
|
||||
span.range.set_end({ end.line, end.column });
|
||||
if (!span.range.is_valid())
|
||||
return;
|
||||
|
||||
auto style = style_for_token_type(palette, type);
|
||||
span.attributes.color = style.color;
|
||||
span.attributes.bold = style.bold;
|
||||
if (type == Token::Type::Garbage) {
|
||||
span.attributes.underline = true;
|
||||
span.attributes.underline_color = palette.red();
|
||||
span.attributes.underline_style = Gfx::TextAttributes::UnderlineStyle::Wavy;
|
||||
}
|
||||
span.is_skippable = false;
|
||||
span.data = static_cast<u64>(type);
|
||||
spans.append(move(span));
|
||||
};
|
||||
|
||||
for (auto const& token : tokens) {
|
||||
if (token.type == Token::Type::QuotedArgument || token.type == Token::Type::UnquotedArgument) {
|
||||
// Alternately highlight the regular/variable-reference parts.
|
||||
// 0-length ranges are caught in highlight_span() so we don't have to worry about them.
|
||||
Position previous_position = token.start;
|
||||
for (auto const& reference : token.variable_references) {
|
||||
highlight_span(token.type, previous_position, reference.start);
|
||||
highlight_span(Token::Type::VariableReference, reference.start, reference.end);
|
||||
previous_position = reference.end;
|
||||
}
|
||||
highlight_span(token.type, previous_position, token.end);
|
||||
continue;
|
||||
}
|
||||
|
||||
highlight_span(token.type, token.start, token.end);
|
||||
}
|
||||
m_client->do_set_spans(move(spans));
|
||||
|
||||
m_has_brace_buddies = false;
|
||||
highlight_matching_token_pair();
|
||||
|
||||
m_client->do_update();
|
||||
}
|
||||
|
||||
Vector<SyntaxHighlighter::MatchingTokenPair> SyntaxHighlighter::matching_token_pairs_impl() const
|
||||
{
|
||||
static Vector<MatchingTokenPair> pairs;
|
||||
if (pairs.is_empty()) {
|
||||
pairs.append({ static_cast<u64>(Token::Type::OpenParen), static_cast<u64>(Token::Type::CloseParen) });
|
||||
}
|
||||
return pairs;
|
||||
}
|
||||
|
||||
bool SyntaxHighlighter::token_types_equal(u64 token1, u64 token2) const
|
||||
{
|
||||
return static_cast<Token::Type>(token1) == static_cast<Token::Type>(token2);
|
||||
}
|
||||
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue