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LibWeb+LibSyntax: Implement nested syntax highlighters

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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
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8
Userland/Libraries/LibCpp/SyntaxHighlighter.h
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@ -15,15 +15,15 @@ public:
SyntaxHighlighter() { }
virtual ~SyntaxHighlighter() override;
virtual bool is_identifier(void*) const override;
virtual bool is_navigatable(void*) const override;
virtual bool is_identifier(u64) const override;
virtual bool is_navigatable(u64) const override;
virtual Syntax::Language language() const override { return Syntax::Language::Cpp; }
virtual void rehighlight(Palette const&) override;
protected:
virtual Vector<MatchingTokenPair> matching_token_pairs() const override;
virtual bool token_types_equal(void*, void*) const override;
virtual Vector<MatchingTokenPair> matching_token_pairs_impl() const override;
virtual bool token_types_equal(u64, u64) const override;
};
}