1 files changed, 81 insertions, 6 deletions

diff --git a/scene/resources/syntax_highlighter.h b/scene/resources/syntax_highlighter.h
index 7059ef4ce1..40a8870b45 100644
--- a/scene/resources/syntax_highlighter.h
+++ b/scene/resources/syntax_highlighter.h
@@ -38,8 +38,13 @@ class TextEdit;
 class SyntaxHighlighter : public Resource {
 	GDCLASS(SyntaxHighlighter, Resource)
 
+private:
+	Map<int, Dictionary> highlighting_cache;
+	void _line_edited_from(int p_line);
+
 protected:
-	TextEdit *text_edit;
+	ObjectID text_edit_instance_id; // For validity check
+	TextEdit *text_edit = nullptr;
 
 	static void _bind_methods();
 
@@ -47,19 +52,89 @@ public:
 	Dictionary get_line_syntax_highlighting(int p_line);
 	virtual Dictionary _get_line_syntax_highlighting(int p_line) { return Dictionary(); }
 
+	void clear_highlighting_cache();
+	virtual void _clear_highlighting_cache() {}
+
 	void update_cache();
 	virtual void _update_cache() {}
 
-	virtual String _get_name() const;
-	virtual Array _get_supported_languages() const;
-
 	void set_text_edit(TextEdit *p_text_edit);
 	TextEdit *get_text_edit();
 
-	virtual Ref<SyntaxHighlighter> _create() const;
-
 	SyntaxHighlighter() {}
 	virtual ~SyntaxHighlighter() {}
 };
 
+///////////////////////////////////////////////////////////////////////////////
+
+class CodeHighlighter : public SyntaxHighlighter {
+	GDCLASS(CodeHighlighter, SyntaxHighlighter)
+
+private:
+	struct ColorRegion {
+		Color color;
+		String start_key;
+		String end_key;
+		bool line_only;
+	};
+	Vector<ColorRegion> color_regions;
+	Map<int, int> color_region_cache;
+
+	Dictionary keywords;
+	Dictionary member_keywords;
+
+	Color font_color;
+	Color member_color;
+	Color function_color;
+	Color symbol_color;
+	Color number_color;
+
+protected:
+	static void _bind_methods();
+
+public:
+	virtual Dictionary _get_line_syntax_highlighting(int p_line) override;
+
+	virtual void _clear_highlighting_cache() override;
+	virtual void _update_cache() override;
+
+	void add_keyword_color(const String &p_keyword, const Color &p_color);
+	void remove_keyword_color(const String &p_keyword);
+	bool has_keyword_color(const String &p_keyword) const;
+	Color get_keyword_color(const String &p_keyword) const;
+
+	void set_keyword_colors(const Dictionary p_keywords);
+	void clear_keyword_colors();
+	Dictionary get_keyword_colors() const;
+
+	void add_member_keyword_color(const String &p_member_keyword, const Color &p_color);
+	void remove_member_keyword_color(const String &p_member_keyword);
+	bool has_member_keyword_color(const String &p_member_keyword) const;
+	Color get_member_keyword_color(const String &p_member_keyword) const;
+
+	void set_member_keyword_colors(const Dictionary &p_color_regions);
+	void clear_member_keyword_colors();
+	Dictionary get_member_keyword_colors() const;
+
+	void add_color_region(const String &p_start_key, const String &p_end_key, const Color &p_color, bool p_line_only = false);
+	void remove_color_region(const String &p_start_key);
+	bool has_color_region(const String &p_start_key) const;
+
+	void set_color_regions(const Dictionary &p_member_keyword);
+	void clear_color_regions();
+	Dictionary get_color_regions() const;
+
+	void set_number_color(Color p_color);
+	Color get_number_color() const;
+
+	void set_symbol_color(Color p_color);
+	Color get_symbol_color() const;
+
+	void set_function_color(Color p_color);
+	Color get_function_color() const;
+
+	void set_member_variable_color(Color p_color);
+	Color get_member_variable_color() const;
+};
+
 #endif