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LibWeb+LibSyntax: Implement nested syntax highlighters

And use them to highlight javascript in HTML source.
This commit also changes how TextDocumentSpan::data is interpreted,
as it used to be an opaque pointer, but everyone stuffed an enum value
inside it, which made the values not unique to each highlighter;
that field is now a u64 serial id.
The syntax highlighters don't need to change their ways of stuffing
token types into that field, but a highlighter that calls another
nested highlighter needs to register the nested types for use with
token pairs.
This commit is contained in:
Ali Mohammad Pur 2021-06-07 12:03:09 +04:30 committed by Ali Mohammad Pur
parent 3bac14e19e
commit 71b4433b0d
18 changed files with 219 additions and 104 deletions

View file

@ -26,7 +26,7 @@ namespace GUI {
struct TextDocumentSpan {
TextRange range;
Gfx::TextAttributes attributes;
void* data { nullptr };
u64 data { 0 };
bool is_skippable { false };
};