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LibSyntax+LibGUI+LibJS: Move JS syntax highlighter to LibJS

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This is a little bit messy but the basic idea is:

Syntax::Highlighter now has a Syntax::HighlighterClient to talk to the
outside world. It mostly communicates in LibGUI primitives that are
available in headers, so inlineable.

GUI::TextEditor inherits from Syntax::HighlighterClient.

This let us to move GUI::JSSyntaxHighlighter to JS::SyntaxHighlighter
and remove LibGUI's dependency on LibJS.
This commit is contained in:
Andreas Kling 2021-02-07 16:56:02 +01:00
parent 22baa5e64f
commit ddbf20ecf6
23 changed files with 139 additions and 80 deletions
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24
Userland/Libraries/LibSyntax/Highlighter.cpp
View file

@ -25,6 +25,7 @@
*/
#include <LibGUI/TextEditor.h>
#include <LibGfx/Color.h>
#include <LibSyntax/Highlighter.h>
namespace Syntax {
@ -35,8 +36,7 @@ Highlighter::~Highlighter()
void Highlighter::highlight_matching_token_pair()
{
ASSERT(m_editor);
auto& document = m_editor->document();
auto& document = m_client->get_document();
enum class Direction {
Forward,
@ -93,7 +93,7 @@ void Highlighter::highlight_matching_token_pair()
buddy1.attributes.background_color = Color::DarkCyan;
buddy0.attributes.color = Color::White;
buddy1.attributes.color = Color::White;
m_editor->update();
m_client->do_update();
};
auto pairs = matching_token_pairs();
@ -103,7 +103,7 @@ void Highlighter::highlight_matching_token_pair()
auto token_type = span.data;
for (auto& pair : pairs) {
if (token_types_equal(token_type, pair.open) && span.range.start() == m_editor->cursor()) {
if (token_types_equal(token_type, pair.open) && span.range.start() == m_client->get_cursor()) {
auto buddy = find_span_of_type(i, pair.close, pair.open, Direction::Forward);
if (buddy.has_value())
make_buddies(i, buddy.value());
@ -115,7 +115,7 @@ void Highlighter::highlight_matching_token_pair()
right_of_end.set_column(right_of_end.column() + 1);
for (auto& pair : pairs) {
if (token_types_equal(token_type, pair.close) && right_of_end == m_editor->cursor()) {
if (token_types_equal(token_type, pair.close) && right_of_end == m_client->get_cursor()) {
auto buddy = find_span_of_type(i, pair.open, pair.close, Direction::Backward);
if (buddy.has_value())
make_buddies(i, buddy.value());
@ -125,29 +125,27 @@ void Highlighter::highlight_matching_token_pair()
}
}
void Highlighter::attach(GUI::TextEditor& editor)
void Highlighter::attach(HighlighterClient& client)
{
ASSERT(!m_editor);
m_editor = editor;
ASSERT(!m_client);
m_client = &client;
}
void Highlighter::detach()
{
ASSERT(m_editor);
m_editor = nullptr;
m_client = nullptr;
}
void Highlighter::cursor_did_change()
{
ASSERT(m_editor);
auto& document = m_editor->document();
auto& document = m_client->get_document();
if (m_has_brace_buddies) {
if (m_brace_buddies[0].index >= 0 && m_brace_buddies[0].index < static_cast<int>(document.spans().size()))
document.set_span_at_index(m_brace_buddies[0].index, m_brace_buddies[0].span_backup);
if (m_brace_buddies[1].index >= 0 && m_brace_buddies[1].index < static_cast<int>(document.spans().size()))
document.set_span_at_index(m_brace_buddies[1].index, m_brace_buddies[1].span_backup);
m_has_brace_buddies = false;
m_editor->update();
m_client->do_update();
}
highlight_matching_token_pair();
}