Typed GDScript

core/script_language.h

@@ -213,7 +213,7 @@ class ScriptLanguage {
 	virtual Ref<Script> get_template(const String &p_class_name, const String &p_base_class_name) const = 0;
 	virtual void make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script) {}
 	virtual bool is_using_templates() { return false; }
-	virtual bool validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path = "", List<String> *r_functions = NULL) const = 0;
+	virtual bool validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path = "", List<String> *r_functions = NULL, Set<int> *r_safe_lines = NULL) const = 0;
 	virtual String validate_path(const String &p_path) const { return ""; }
 	virtual Script *create_script() const = 0;
 	virtual bool has_named_classes() const = 0;

editor/connections_dialog.cpp

@@ -820,7 +820,9 @@ void ConnectionsDock::update_tree() {
 					if (i > 0)
 						signaldesc += ", ";
 					String tname = "var";
-					if (pi.type != Variant::NIL) {
+					if (pi.type == Variant::OBJECT && pi.class_name != StringName()) {
+						tname = pi.class_name.operator String();
+					} else if (pi.type != Variant::NIL) {
 						tname = Variant::get_type_name(pi.type);
 					}
 					signaldesc += tname + " " + (pi.name == "" ? String("arg " + itos(i)) : pi.name);

editor/editor_settings.cpp

@@ -364,6 +364,7 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 
 	_initial_set("text_editor/highlighting/highlight_all_occurrences", true);
 	_initial_set("text_editor/highlighting/highlight_current_line", true);
+	_initial_set("text_editor/highlighting/highlight_type_safe_lines", true);
 	_initial_set("text_editor/cursor/scroll_past_end_of_file", false);
 
 	_initial_set("text_editor/indent/type", 0);
@@ -404,6 +405,7 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 	_initial_set("text_editor/completion/callhint_tooltip_offset", Vector2());
 	_initial_set("text_editor/files/restore_scripts_on_load", true);
 	_initial_set("text_editor/completion/complete_file_paths", true);
+	_initial_set("text_editor/completion/add_type_hints", false);
 
 	_initial_set("docks/scene_tree/start_create_dialog_fully_expanded", false);
 	_initial_set("docks/scene_tree/draw_relationship_lines", false);
@@ -592,6 +594,7 @@ void EditorSettings::_load_default_text_editor_theme() {
 	_initial_set("text_editor/highlighting/completion_font_color", Color::html("aaaaaa"));
 	_initial_set("text_editor/highlighting/text_color", Color::html("aaaaaa"));
 	_initial_set("text_editor/highlighting/line_number_color", Color::html("66aaaaaa"));
+	_initial_set("text_editor/highlighting/safe_line_number_color", Color::html("99aac8aa"));
 	_initial_set("text_editor/highlighting/caret_color", Color::html("aaaaaa"));
 	_initial_set("text_editor/highlighting/caret_background_color", Color::html("000000"));
 	_initial_set("text_editor/highlighting/text_selected_color", Color::html("000000"));

editor/editor_themes.cpp

@@ -1089,6 +1089,7 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 	const Color completion_font_color = font_color;
 	const Color text_color = font_color;
 	const Color line_number_color = dim_color;
+	const Color safe_line_number_color = dim_color * Color(1, 1.2, 1, 1.5);
 	const Color caret_color = mono_color;
 	const Color caret_background_color = mono_color.inverted();
 	const Color text_selected_color = dark_color_3;
@@ -1123,6 +1124,7 @@ Ref<Theme> create_editor_theme(const Ref<Theme> p_theme) {
 		setting->set_initial_value("text_editor/highlighting/completion_font_color", completion_font_color, true);
 		setting->set_initial_value("text_editor/highlighting/text_color", text_color, true);
 		setting->set_initial_value("text_editor/highlighting/line_number_color", line_number_color, true);
+		setting->set_initial_value("text_editor/highlighting/safe_line_number_color", safe_line_number_color, true);
 		setting->set_initial_value("text_editor/highlighting/caret_color", caret_color, true);
 		setting->set_initial_value("text_editor/highlighting/caret_background_color", caret_background_color, true);
 		setting->set_initial_value("text_editor/highlighting/text_selected_color", text_selected_color, true);

editor/plugins/script_text_editor.cpp

@@ -116,6 +116,7 @@ void ScriptTextEditor::_load_theme_settings() {
 	Color completion_font_color = EDITOR_GET("text_editor/highlighting/completion_font_color");
 	Color text_color = EDITOR_GET("text_editor/highlighting/text_color");
 	Color line_number_color = EDITOR_GET("text_editor/highlighting/line_number_color");
+	Color safe_line_number_color = EDITOR_GET("text_editor/highlighting/safe_line_number_color");
 	Color caret_color = EDITOR_GET("text_editor/highlighting/caret_color");
 	Color caret_background_color = EDITOR_GET("text_editor/highlighting/caret_background_color");
 	Color text_selected_color = EDITOR_GET("text_editor/highlighting/text_selected_color");
@@ -147,6 +148,7 @@ void ScriptTextEditor::_load_theme_settings() {
 	text_edit->add_color_override("completion_font_color", completion_font_color);
 	text_edit->add_color_override("font_color", text_color);
 	text_edit->add_color_override("line_number_color", line_number_color);
+	text_edit->add_color_override("safe_line_number_color", safe_line_number_color);
 	text_edit->add_color_override("caret_color", caret_color);
 	text_edit->add_color_override("caret_background_color", caret_background_color);
 	text_edit->add_color_override("font_selected_color", text_selected_color);
@@ -589,6 +591,7 @@ void ScriptTextEditor::set_edited_script(const Ref<Script> &p_script) {
 
 	emit_signal("name_changed");
 	code_editor->update_line_and_column();
+	call_deferred("_validate_script");
 }
 
 void ScriptTextEditor::_validate_script() {
@@ -599,8 +602,9 @@ void ScriptTextEditor::_validate_script() {
 
 	String text = te->get_text();
 	List<String> fnc;
+	Set<int> safe_lines;
 
-	if (!script->get_language()->validate(text, line, col, errortxt, script->get_path(), &fnc)) {
+	if (!script->get_language()->validate(text, line, col, errortxt, script->get_path(), &fnc, &safe_lines)) {
 		String error_text = "error(" + itos(line) + "," + itos(col) + "): " + errortxt;
 		code_editor->set_error(error_text);
 	} else {
@@ -621,8 +625,23 @@ void ScriptTextEditor::_validate_script() {
 	}
 
 	line--;
+	bool highlight_safe = EDITOR_DEF("text_editor/highlighting/highlight_type_safe_lines", true);
+	bool last_is_safe = false;
 	for (int i = 0; i < te->get_line_count(); i++) {
 		te->set_line_as_marked(i, line == i);
+		if (highlight_safe) {
+			if (safe_lines.has(i + 1)) {
+				te->set_line_as_safe(i, true);
+				last_is_safe = true;
+			} else if (last_is_safe && (te->is_line_comment(i) || te->get_line(i).strip_edges().empty())) {
+				te->set_line_as_safe(i, true);
+			} else {
+				te->set_line_as_safe(i, false);
+				last_is_safe = false;
+			}
+		} else {
+			te->set_line_as_safe(i, false);
+		}
 	}
 
 	emit_signal("name_changed");

main/tests/test_gdscript.cpp

@@ -193,14 +193,6 @@ static String _parser_expr(const GDScriptParser::Node *p_expr) {
 				case GDScriptParser::OperatorNode::OP_BIT_INVERT: {
 					txt = "~" + _parser_expr(c_node->arguments[0]);
 				} break;
-				case GDScriptParser::OperatorNode::OP_PREINC: {
-				} break;
-				case GDScriptParser::OperatorNode::OP_PREDEC: {
-				} break;
-				case GDScriptParser::OperatorNode::OP_INC: {
-				} break;
-				case GDScriptParser::OperatorNode::OP_DEC: {
-				} break;
 				case GDScriptParser::OperatorNode::OP_IN: {
 					txt = _parser_expr(c_node->arguments[0]) + " in " + _parser_expr(c_node->arguments[1]);
 				} break;
@@ -455,10 +447,9 @@ static void _parser_show_class(const GDScriptParser::ClassNode *p_class, int p_i
 		print_line("\n");
 	}
 
-	for (int i = 0; i < p_class->constant_expressions.size(); i++) {
-
-		const GDScriptParser::ClassNode::Constant &constant = p_class->constant_expressions[i];
-		_print_indent(p_indent, "const " + String(constant.identifier) + "=" + _parser_expr(constant.expression));
+	for (Map<StringName, GDScriptParser::ClassNode::Constant>::Element *E = p_class->constant_expressions.front(); E; E = E->next()) {
+		const GDScriptParser::ClassNode::Constant &constant = E->get();
+		_print_indent(p_indent, "const " + String(E->key()) + "=" + _parser_expr(constant.expression));
 	}
 
 	for (int i = 0; i < p_class->variables.size(); i++) {

modules/gdnative/nativescript/nativescript.cpp

@@ -1053,7 +1053,7 @@ Ref<Script> NativeScriptLanguage::get_template(const String &p_class_name, const
 	s->set_class_name(p_class_name);
 	return Ref<NativeScript>(s);
 }
-bool NativeScriptLanguage::validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path, List<String> *r_functions) const {
+bool NativeScriptLanguage::validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path, List<String> *r_functions, Set<int> *r_safe_lines) const {
 	return true;
 }
 

modules/gdnative/nativescript/nativescript.h

@@ -295,7 +295,7 @@ class NativeScriptLanguage : public ScriptLanguage {
 	virtual void get_comment_delimiters(List<String> *p_delimiters) const;
 	virtual void get_string_delimiters(List<String> *p_delimiters) const;
 	virtual Ref<Script> get_template(const String &p_class_name, const String &p_base_class_name) const;
-	virtual bool validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path, List<String> *r_functions) const;
+	virtual bool validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path, List<String> *r_functions, Set<int> *r_safe_lines = NULL) const;
 	virtual Script *create_script() const;
 	virtual bool has_named_classes() const;
 	virtual bool supports_builtin_mode() const;

modules/gdnative/pluginscript/pluginscript_language.cpp

@@ -108,7 +108,7 @@ Ref<Script> PluginScriptLanguage::get_template(const String &p_class_name, const
 	return script;
 }
 
-bool PluginScriptLanguage::validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path, List<String> *r_functions) const {
+bool PluginScriptLanguage::validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path, List<String> *r_functions, Set<int> *r_safe_lines) const {
 	PoolStringArray functions;
 	if (_desc.validate) {
 		bool ret = _desc.validate(

modules/gdnative/pluginscript/pluginscript_language.h

@@ -74,7 +74,7 @@ class PluginScriptLanguage : public ScriptLanguage {
 	virtual void get_comment_delimiters(List<String> *p_delimiters) const;
 	virtual void get_string_delimiters(List<String> *p_delimiters) const;
 	virtual Ref<Script> get_template(const String &p_class_name, const String &p_base_class_name) const;
-	virtual bool validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path = "", List<String> *r_functions = NULL) const;
+	virtual bool validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path = "", List<String> *r_functions = NULL, Set<int> *r_safe_lines = NULL) const;
 	virtual Script *create_script() const;
 	virtual bool has_named_classes() const;
 	virtual bool supports_builtin_mode() const;

modules/gdscript/editor/gdscript_highlighter.cpp

@@ -75,9 +75,11 @@ Map<int, TextEdit::HighlighterInfo> GDScriptSyntaxHighlighter::_get_line_syntax_
 	bool in_keyword = false;
 	bool in_word = false;
 	bool in_function_name = false;
+	bool in_variable_declaration = false;
 	bool in_member_variable = false;
 	bool in_node_path = false;
 	bool is_hex_notation = false;
+	bool expect_type = false;
 	Color keyword_color;
 	Color color;
 
@@ -205,6 +207,8 @@ Map<int, TextEdit::HighlighterInfo> GDScriptSyntaxHighlighter::_get_line_syntax_
 
 			if (str[k] == '(') {
 				in_function_name = true;
+			} else if (previous_text == GDScriptTokenizer::get_token_name(GDScriptTokenizer::TK_PR_VAR)) {
+				in_variable_declaration = true;
 			}
 		}
 
@@ -222,6 +226,28 @@ Map<int, TextEdit::HighlighterInfo> GDScriptSyntaxHighlighter::_get_line_syntax_
 		if (is_symbol) {
 			in_function_name = false;
 			in_member_variable = false;
+
+			if (expect_type && str[j] != ' ' && str[j] != '\t' && str[j] != ':') {
+				expect_type = false;
+			}
+			if (j > 0 && str[j] == '>' && str[j - 1] == '-') {
+				expect_type = true;
+			}
+
+			if (in_variable_declaration || previous_text == "(" || previous_text == ",") {
+				int k = j;
+				// Skip space
+				while (k < str.length() && (str[k] == '\t' || str[k] == ' ')) {
+					k++;
+				}
+
+				if (str[k] == ':') {
+					// has type hint
+					expect_type = true;
+				}
+			}
+
+			in_variable_declaration = false;
 		}
 
 		if (!in_node_path && in_region == -1 && str[j] == '$') {
@@ -256,6 +282,9 @@ Map<int, TextEdit::HighlighterInfo> GDScriptSyntaxHighlighter::_get_line_syntax_
 		} else if (is_number) {
 			next_type = NUMBER;
 			color = number_color;
+		} else if (expect_type) {
+			next_type = TYPE;
+			color = type_color;
 		} else {
 			next_type = IDENTIFIER;
 		}
@@ -330,6 +359,7 @@ void GDScriptSyntaxHighlighter::_update_cache() {
 
 	function_definition_color = EDITOR_GET("text_editor/highlighting/gdscript/function_definition_color");
 	node_path_color = EDITOR_GET("text_editor/highlighting/gdscript/node_path_color");
+	type_color = EDITOR_GET("text_editor/highlighting/base_type_color");
 }
 
 SyntaxHighlighter *GDScriptSyntaxHighlighter::create() {

modules/gdscript/editor/gdscript_highlighter.h

@@ -44,7 +44,8 @@ class GDScriptSyntaxHighlighter : public SyntaxHighlighter {
 		FUNCTION,
 		KEYWORD,
 		MEMBER,
-		IDENTIFIER
+		IDENTIFIER,
+		TYPE,
 	};
 
 	// colours
@@ -56,6 +57,7 @@ class GDScriptSyntaxHighlighter : public SyntaxHighlighter {
 	Color number_color;
 	Color member_color;
 	Color node_path_color;
+	Color type_color;
 
 public:
 	static SyntaxHighlighter *create();

modules/gdscript/gdscript.cpp

@@ -220,16 +220,14 @@ void GDScript::_placeholder_erased(PlaceHolderScriptInstance *p_placeholder) {
 void GDScript::get_script_method_list(List<MethodInfo> *p_list) const {
 
 	for (const Map<StringName, GDScriptFunction *>::Element *E = member_functions.front(); E; E = E->next()) {
+		GDScriptFunction *func = E->get();
 		MethodInfo mi;
 		mi.name = E->key();
-		for (int i = 0; i < E->get()->get_argument_count(); i++) {
-			PropertyInfo arg;
-			arg.type = Variant::NIL; //variant
-			arg.name = E->get()->get_argument_name(i);
-			mi.arguments.push_back(arg);
+		for (int i = 0; i < func->get_argument_count(); i++) {
+			mi.arguments.push_back(func->get_argument_type(i));
 		}
 
-		mi.return_val.name = "Variant";
+		mi.return_val = func->get_return_type();
 		p_list->push_back(mi);
 	}
 }
@@ -277,16 +275,14 @@ MethodInfo GDScript::get_method_info(const StringName &p_method) const {
 	if (!E)
 		return MethodInfo();
 
+	GDScriptFunction *func = E->get();
 	MethodInfo mi;
 	mi.name = E->key();
-	for (int i = 0; i < E->get()->get_argument_count(); i++) {
-		PropertyInfo arg;
-		arg.type = Variant::NIL; //variant
-		arg.name = E->get()->get_argument_name(i);
-		mi.arguments.push_back(arg);
+	for (int i = 0; i < func->get_argument_count(); i++) {
+		mi.arguments.push_back(func->get_argument_type(i));
 	}
 
-	mi.return_val.name = "Variant";
+	mi.return_val = func->get_return_type();
 	return mi;
 }
 
@@ -941,8 +937,12 @@ bool GDScriptInstance::set(const StringName &p_name, const Variant &p_value) {
 				if (err.error == Variant::CallError::CALL_OK) {
 					return true; //function exists, call was successful
 				}
-			} else
+			} else {
+				if (!E->get().data_type.is_type(p_value)) {
+					return false; // Type mismatch
+				}
 				members[E->get().index] = p_value;
+			}
 			return true;
 		}
 	}
@@ -1735,7 +1735,9 @@ void GDScriptLanguage::get_reserved_words(List<String> *p_words) const {
 		"NAN",
 		"self",
 		"true",
+		"void",
 		// functions
+		"as",
 		"assert",
 		"breakpoint",
 		"class",
@@ -1824,8 +1826,40 @@ String GDScriptLanguage::get_global_class_name(const String &p_path, String *r_b
 	if (parser.get_parse_tree() && parser.get_parse_tree()->type == GDScriptParser::Node::TYPE_CLASS) {
 
 		const GDScriptParser::ClassNode *c = static_cast<const GDScriptParser::ClassNode *>(parser.get_parse_tree());
-		if (r_base_type && c->extends_used && c->extends_class.size() == 1) {
-			*r_base_type = c->extends_class[0]; //todo, should work much better
+		if (r_base_type) {
+			GDScriptParser::DataType base_type;
+			if (c->base_type.has_type) {
+				base_type = c->base_type;
+				while (base_type.has_type && base_type.kind != GDScriptParser::DataType::NATIVE) {
+					switch (base_type.kind) {
+						case GDScriptParser::DataType::CLASS: {
+							base_type = base_type.class_type->base_type;
+						} break;
+						case GDScriptParser::DataType::GDSCRIPT: {
+							Ref<GDScript> gds = base_type.script_type;
+							if (gds.is_valid()) {
+								base_type.kind = GDScriptParser::DataType::NATIVE;
+								base_type.native_type = gds->get_instance_base_type();
+							} else {
+								base_type = GDScriptParser::DataType();
+							}
+						} break;
+						default: {
+							base_type = GDScriptParser::DataType();
+						} break;
+					}
+				}
+			}
+			if (base_type.has_type) {
+				*r_base_type = base_type.native_type;
+			} else {
+				// Fallback
+				if (c->extends_used && c->extends_class.size() == 1) {
+					*r_base_type = c->extends_class[0];
+				} else if (!c->extends_used) {
+					*r_base_type = "Reference";
+				}
+			}
 		}
 		return c->name;
 	}