Merge pull request #41095 from ThakeeNathees/GDScript-Documentation

GDScript(2.0) Documentation generation system

10 files changed, 367 insertions, 279 deletions

diff --git a/editor/connections_dialog.cpp b/editor/connections_dialog.cpp
index a04065a463..2630589912 100644
--- a/editor/connections_dialog.cpp
+++ b/editor/connections_dialog.cpp
@@ -31,6 +31,7 @@
 #include "connections_dialog.h"
 
 #include "core/string/print_string.h"
+#include "editor/doc_tools.h"
 #include "editor_node.h"
 #include "editor_scale.h"
 #include "editor_settings.h"
@@ -998,7 +999,7 @@ void ConnectionsDock::update_tree() {
 				}
 
 				if (!found) {
-					DocData *dd = EditorHelp::get_doc_data();
+					DocTools *dd = EditorHelp::get_doc_data();
 					Map<String, DocData::ClassDoc>::Element *F = dd->class_list.find(base);
 					while (F && descr == String()) {
 						for (int i = 0; i < F->get().signals.size(); i++) {
diff --git a/editor/doc_data.cpp b/editor/doc_tools.cpp
index 165a5c8546..5ee9abb183 100644
--- a/editor/doc_data.cpp
+++ b/editor/doc_tools.cpp
@@ -1,5 +1,5 @@
 /*************************************************************************/
-/*  doc_data.cpp                                                         */
+/*  doc_tools.cpp                                                        */
 /*************************************************************************/
 /*                       This file is part of:                           */
 /*                           GODOT ENGINE                                */
@@ -28,7 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
-#include "doc_data.h"
+#include "doc_tools.h"
 
 #include "core/config/engine.h"
 #include "core/config/project_settings.h"
@@ -43,22 +43,22 @@
 // Used for a hack preserving Mono properties on non-Mono builds.
 #include "modules/modules_enabled.gen.h"
 
-void DocData::merge_from(const DocData &p_data) {
-	for (Map<String, ClassDoc>::Element *E = class_list.front(); E; E = E->next()) {
-		ClassDoc &c = E->get();
+void DocTools::merge_from(const DocTools &p_data) {
+	for (Map<String, DocData::ClassDoc>::Element *E = class_list.front(); E; E = E->next()) {
+		DocData::ClassDoc &c = E->get();
 
 		if (!p_data.class_list.has(c.name)) {
 			continue;
 		}
 
-		const ClassDoc &cf = p_data.class_list[c.name];
+		const DocData::ClassDoc &cf = p_data.class_list[c.name];
 
 		c.description = cf.description;
 		c.brief_description = cf.brief_description;
 		c.tutorials = cf.tutorials;
 
 		for (int i = 0; i < c.methods.size(); i++) {
-			MethodDoc &m = c.methods.write[i];
+			DocData::MethodDoc &m = c.methods.write[i];
 
 			for (int j = 0; j < cf.methods.size(); j++) {
 				if (cf.methods[j].name != m.name) {
@@ -95,7 +95,7 @@ void DocData::merge_from(const DocData &p_data) {
 					continue;
 				}
 
-				const MethodDoc &mf = cf.methods[j];
+				const DocData::MethodDoc &mf = cf.methods[j];
 
 				m.description = mf.description;
 				break;
@@ -103,13 +103,13 @@ void DocData::merge_from(const DocData &p_data) {
 		}
 
 		for (int i = 0; i < c.signals.size(); i++) {
-			MethodDoc &m = c.signals.write[i];
+			DocData::MethodDoc &m = c.signals.write[i];
 
 			for (int j = 0; j < cf.signals.size(); j++) {
 				if (cf.signals[j].name != m.name) {
 					continue;
 				}
-				const MethodDoc &mf = cf.signals[j];
+				const DocData::MethodDoc &mf = cf.signals[j];
 
 				m.description = mf.description;
 				break;
@@ -117,13 +117,13 @@ void DocData::merge_from(const DocData &p_data) {
 		}
 
 		for (int i = 0; i < c.constants.size(); i++) {
-			ConstantDoc &m = c.constants.write[i];
+			DocData::ConstantDoc &m = c.constants.write[i];
 
 			for (int j = 0; j < cf.constants.size(); j++) {
 				if (cf.constants[j].name != m.name) {
 					continue;
 				}
-				const ConstantDoc &mf = cf.constants[j];
+				const DocData::ConstantDoc &mf = cf.constants[j];
 
 				m.description = mf.description;
 				break;
@@ -131,13 +131,13 @@ void DocData::merge_from(const DocData &p_data) {
 		}
 
 		for (int i = 0; i < c.properties.size(); i++) {
-			PropertyDoc &p = c.properties.write[i];
+			DocData::PropertyDoc &p = c.properties.write[i];
 
 			for (int j = 0; j < cf.properties.size(); j++) {
 				if (cf.properties[j].name != p.name) {
 					continue;
 				}
-				const PropertyDoc &pf = cf.properties[j];
+				const DocData::PropertyDoc &pf = cf.properties[j];
 
 				p.description = pf.description;
 				break;
@@ -145,13 +145,13 @@ void DocData::merge_from(const DocData &p_data) {
 		}
 
 		for (int i = 0; i < c.theme_properties.size(); i++) {
-			PropertyDoc &p = c.theme_properties.write[i];
+			DocData::PropertyDoc &p = c.theme_properties.write[i];
 
 			for (int j = 0; j < cf.theme_properties.size(); j++) {
 				if (cf.theme_properties[j].name != p.name) {
 					continue;
 				}
-				const PropertyDoc &pf = cf.theme_properties[j];
+				const DocData::PropertyDoc &pf = cf.theme_properties[j];
 
 				p.description = pf.description;
 				break;
@@ -177,57 +177,29 @@ void DocData::merge_from(const DocData &p_data) {
 	}
 }
 
-void DocData::remove_from(const DocData &p_data) {
-	for (Map<String, ClassDoc>::Element *E = p_data.class_list.front(); E; E = E->next()) {
+void DocTools::remove_from(const DocTools &p_data) {
+	for (Map<String, DocData::ClassDoc>::Element *E = p_data.class_list.front(); E; E = E->next()) {
 		if (class_list.has(E->key())) {
 			class_list.erase(E->key());
 		}
 	}
 }
 
-static void return_doc_from_retinfo(DocData::MethodDoc &p_method, const PropertyInfo &p_retinfo) {
-	if (p_retinfo.type == Variant::INT && p_retinfo.usage & PROPERTY_USAGE_CLASS_IS_ENUM) {
-		p_method.return_enum = p_retinfo.class_name;
-		if (p_method.return_enum.begins_with("_")) { //proxy class
-			p_method.return_enum = p_method.return_enum.substr(1, p_method.return_enum.length());
-		}
-		p_method.return_type = "int";
-	} else if (p_retinfo.class_name != StringName()) {
-		p_method.return_type = p_retinfo.class_name;
-	} else if (p_retinfo.type == Variant::ARRAY && p_retinfo.hint == PROPERTY_HINT_ARRAY_TYPE) {
-		p_method.return_type = p_retinfo.hint_string + "[]";
-	} else if (p_retinfo.hint == PROPERTY_HINT_RESOURCE_TYPE) {
-		p_method.return_type = p_retinfo.hint_string;
-	} else if (p_retinfo.type == Variant::NIL && p_retinfo.usage & PROPERTY_USAGE_NIL_IS_VARIANT) {
-		p_method.return_type = "Variant";
-	} else if (p_retinfo.type == Variant::NIL) {
-		p_method.return_type = "void";
-	} else {
-		p_method.return_type = Variant::get_type_name(p_retinfo.type);
-	}
+void DocTools::add_doc(const DocData::ClassDoc &p_class_doc) {
+	ERR_FAIL_COND(p_class_doc.name == "");
+	class_list[p_class_doc.name] = p_class_doc;
 }
 
-static void argument_doc_from_arginfo(DocData::ArgumentDoc &p_argument, const PropertyInfo &p_arginfo) {
-	p_argument.name = p_arginfo.name;
+void DocTools::remove_doc(const String &p_class_name) {
+	ERR_FAIL_COND(p_class_name == "" || !class_list.has(p_class_name));
+	class_list.erase(p_class_name);
+}
 
-	if (p_arginfo.type == Variant::INT && p_arginfo.usage & PROPERTY_USAGE_CLASS_IS_ENUM) {
-		p_argument.enumeration = p_arginfo.class_name;
-		if (p_argument.enumeration.begins_with("_")) { //proxy class
-			p_argument.enumeration = p_argument.enumeration.substr(1, p_argument.enumeration.length());
-		}
-		p_argument.type = "int";
-	} else if (p_arginfo.class_name != StringName()) {
-		p_argument.type = p_arginfo.class_name;
-	} else if (p_arginfo.type == Variant::ARRAY && p_arginfo.hint == PROPERTY_HINT_ARRAY_TYPE) {
-		p_argument.type = p_arginfo.hint_string + "[]";
-	} else if (p_arginfo.hint == PROPERTY_HINT_RESOURCE_TYPE) {
-		p_argument.type = p_arginfo.hint_string;
-	} else if (p_arginfo.type == Variant::NIL) {
-		// Parameters cannot be void, so PROPERTY_USAGE_NIL_IS_VARIANT is not necessary
-		p_argument.type = "Variant";
-	} else {
-		p_argument.type = Variant::get_type_name(p_arginfo.type);
+bool DocTools::has_doc(const String &p_class_name) {
+	if (p_class_name == "") {
+		return false;
 	}
+	return class_list.has(p_class_name);
 }
 
 static Variant get_documentation_default_value(const StringName &p_class_name, const StringName &p_property_name, bool &r_default_value_valid) {
@@ -253,7 +225,7 @@ static Variant get_documentation_default_value(const StringName &p_class_name, c
 	return default_value;
 }
 
-void DocData::generate(bool p_basic_types) {
+void DocTools::generate(bool p_basic_types) {
 	List<StringName> classes;
 	ClassDB::get_class_list(&classes);
 	classes.sort_custom<StringName::AlphCompare>();
@@ -277,8 +249,8 @@ void DocData::generate(bool p_basic_types) {
 			cname = cname.substr(1, name.length());
 		}
 
-		class_list[cname] = ClassDoc();
-		ClassDoc &c = class_list[cname];
+		class_list[cname] = DocData::ClassDoc();
+		DocData::ClassDoc &c = class_list[cname];
 		c.name = cname;
 		c.inherits = ClassDB::get_parent_class(name);
 
@@ -305,7 +277,7 @@ void DocData::generate(bool p_basic_types) {
 				continue;
 			}
 
-			PropertyDoc prop;
+			DocData::PropertyDoc prop;
 
 			prop.name = E->get().name;
 
@@ -409,7 +381,7 @@ void DocData::generate(bool p_basic_types) {
 				}
 			}
 
-			MethodDoc method;
+			DocData::MethodDoc method;
 
 			method.name = E->get().name;
 
@@ -432,12 +404,12 @@ void DocData::generate(bool p_basic_types) {
 			for (int i = -1; i < E->get().arguments.size(); i++) {
 				if (i == -1) {
 #ifdef DEBUG_METHODS_ENABLED
-					return_doc_from_retinfo(method, E->get().return_val);
+					DocData::return_doc_from_retinfo(method, E->get().return_val);
 #endif
 				} else {
 					const PropertyInfo &arginfo = E->get().arguments[i];
-					ArgumentDoc argument;
-					argument_doc_from_arginfo(argument, arginfo);
+					DocData::ArgumentDoc argument;
+					DocData::argument_doc_from_arginfo(argument, arginfo);
 
 					int darg_idx = i - (E->get().arguments.size() - E->get().default_arguments.size());
 					if (darg_idx >= 0) {
@@ -457,12 +429,12 @@ void DocData::generate(bool p_basic_types) {
 
 		if (signal_list.size()) {
 			for (List<MethodInfo>::Element *EV = signal_list.front(); EV; EV = EV->next()) {
-				MethodDoc signal;
+				DocData::MethodDoc signal;
 				signal.name = EV->get().name;
 				for (int i = 0; i < EV->get().arguments.size(); i++) {
 					const PropertyInfo &arginfo = EV->get().arguments[i];
-					ArgumentDoc argument;
-					argument_doc_from_arginfo(argument, arginfo);
+					DocData::ArgumentDoc argument;
+					DocData::argument_doc_from_arginfo(argument, arginfo);
 
 					signal.arguments.push_back(argument);
 				}
@@ -475,7 +447,7 @@ void DocData::generate(bool p_basic_types) {
 		ClassDB::get_integer_constant_list(name, &constant_list, true);
 
 		for (List<String>::Element *E = constant_list.front(); E; E = E->next()) {
-			ConstantDoc constant;
+			DocData::ConstantDoc constant;
 			constant.name = E->get();
 			constant.value = itos(ClassDB::get_integer_constant(name, E->get()));
 			constant.is_value_valid = true;
@@ -489,7 +461,7 @@ void DocData::generate(bool p_basic_types) {
 			List<StringName> l;
 			Theme::get_default()->get_constant_list(cname, &l);
 			for (List<StringName>::Element *E = l.front(); E; E = E->next()) {
-				PropertyDoc pd;
+				DocData::PropertyDoc pd;
 				pd.name = E->get();
 				pd.type = "int";
 				pd.default_value = itos(Theme::get_default()->get_constant(E->get(), cname));
@@ -499,7 +471,7 @@ void DocData::generate(bool p_basic_types) {
 			l.clear();
 			Theme::get_default()->get_color_list(cname, &l);
 			for (List<StringName>::Element *E = l.front(); E; E = E->next()) {
-				PropertyDoc pd;
+				DocData::PropertyDoc pd;
 				pd.name = E->get();
 				pd.type = "Color";
 				pd.default_value = Variant(Theme::get_default()->get_color(E->get(), cname)).get_construct_string();
@@ -509,7 +481,7 @@ void DocData::generate(bool p_basic_types) {
 			l.clear();
 			Theme::get_default()->get_icon_list(cname, &l);
 			for (List<StringName>::Element *E = l.front(); E; E = E->next()) {
-				PropertyDoc pd;
+				DocData::PropertyDoc pd;
 				pd.name = E->get();
 				pd.type = "Texture2D";
 				c.theme_properties.push_back(pd);
@@ -517,7 +489,7 @@ void DocData::generate(bool p_basic_types) {
 			l.clear();
 			Theme::get_default()->get_font_list(cname, &l);
 			for (List<StringName>::Element *E = l.front(); E; E = E->next()) {
-				PropertyDoc pd;
+				DocData::PropertyDoc pd;
 				pd.name = E->get();
 				pd.type = "Font";
 				c.theme_properties.push_back(pd);
@@ -525,7 +497,7 @@ void DocData::generate(bool p_basic_types) {
 			l.clear();
 			Theme::get_default()->get_font_size_list(cname, &l);
 			for (List<StringName>::Element *E = l.front(); E; E = E->next()) {
-				PropertyDoc pd;
+				DocData::PropertyDoc pd;
 				pd.name = E->get();
 				pd.type = "int";
 				c.theme_properties.push_back(pd);
@@ -533,7 +505,7 @@ void DocData::generate(bool p_basic_types) {
 			l.clear();
 			Theme::get_default()->get_stylebox_list(cname, &l);
 			for (List<StringName>::Element *E = l.front(); E; E = E->next()) {
-				PropertyDoc pd;
+				DocData::PropertyDoc pd;
 				pd.name = E->get();
 				pd.type = "StyleBox";
 				c.theme_properties.push_back(pd);
@@ -545,7 +517,7 @@ void DocData::generate(bool p_basic_types) {
 
 	{
 		// So we can document the concept of Variant even if it's not a usable class per se.
-		class_list["Variant"] = ClassDoc();
+		class_list["Variant"] = DocData::ClassDoc();
 		class_list["Variant"].name = "Variant";
 	}
 
@@ -564,8 +536,8 @@ void DocData::generate(bool p_basic_types) {
 
 		String cname = Variant::get_type_name(Variant::Type(i));
 
-		class_list[cname] = ClassDoc();
-		ClassDoc &c = class_list[cname];
+		class_list[cname] = DocData::ClassDoc();
+		DocData::ClassDoc &c = class_list[cname];
 		c.name = cname;
 
 		Callable::CallError cerror;
@@ -642,7 +614,7 @@ void DocData::generate(bool p_basic_types) {
 
 		for (List<MethodInfo>::Element *E = method_list.front(); E; E = E->next()) {
 			MethodInfo &mi = E->get();
-			MethodDoc method;
+			DocData::MethodDoc method;
 
 			method.name = mi.name;
 			if (method.name == cname) {
@@ -653,8 +625,8 @@ void DocData::generate(bool p_basic_types) {
 
 			for (int j = 0; j < mi.arguments.size(); j++) {
 				PropertyInfo arginfo = mi.arguments[j];
-				ArgumentDoc ad;
-				argument_doc_from_arginfo(ad, mi.arguments[j]);
+				DocData::ArgumentDoc ad;
+				DocData::argument_doc_from_arginfo(ad, mi.arguments[j]);
 				ad.name = arginfo.name;
 
 				int darg_idx = mi.default_arguments.size() - mi.arguments.size() + j;
@@ -666,7 +638,7 @@ void DocData::generate(bool p_basic_types) {
 				method.arguments.push_back(ad);
 			}
 
-			return_doc_from_retinfo(method, mi.return_val);
+			DocData::return_doc_from_retinfo(method, mi.return_val);
 
 			if (mi.flags & METHOD_FLAG_VARARG) {
 				if (method.qualifiers != "") {
@@ -682,7 +654,7 @@ void DocData::generate(bool p_basic_types) {
 		v.get_property_list(&properties);
 		for (List<PropertyInfo>::Element *E = properties.front(); E; E = E->next()) {
 			PropertyInfo pi = E->get();
-			PropertyDoc property;
+			DocData::PropertyDoc property;
 			property.name = pi.name;
 			property.type = Variant::get_type_name(pi.type);
 			property.default_value = v.get(pi.name).get_construct_string();
@@ -694,7 +666,7 @@ void DocData::generate(bool p_basic_types) {
 		Variant::get_constants_for_type(Variant::Type(i), &constants);
 
 		for (List<StringName>::Element *E = constants.front(); E; E = E->next()) {
-			ConstantDoc constant;
+			DocData::ConstantDoc constant;
 			constant.name = E->get();
 			Variant value = Variant::get_constant_value(Variant::Type(i), E->get());
 			constant.value = value.get_type() == Variant::INT ? itos(value) : value.get_construct_string();
@@ -707,12 +679,12 @@ void DocData::generate(bool p_basic_types) {
 
 	{
 		String cname = "@GlobalScope";
-		class_list[cname] = ClassDoc();
-		ClassDoc &c = class_list[cname];
+		class_list[cname] = DocData::ClassDoc();
+		DocData::ClassDoc &c = class_list[cname];
 		c.name = cname;
 
 		for (int i = 0; i < CoreConstants::get_global_constant_count(); i++) {
-			ConstantDoc cd;
+			DocData::ConstantDoc cd;
 			cd.name = CoreConstants::get_global_constant_name(i);
 			if (!CoreConstants::get_ignore_value_in_docs(i)) {
 				cd.value = itos(CoreConstants::get_global_constant_value(i));
@@ -729,7 +701,7 @@ void DocData::generate(bool p_basic_types) {
 
 		//servers (this is kind of hackish)
 		for (List<Engine::Singleton>::Element *E = singletons.front(); E; E = E->next()) {
-			PropertyDoc pd;
+			DocData::PropertyDoc pd;
 			Engine::Singleton &s = E->get();
 			if (!s.ptr) {
 				continue;
@@ -749,7 +721,7 @@ void DocData::generate(bool p_basic_types) {
 		Variant::get_utility_function_list(&utility_functions);
 		utility_functions.sort_custom<StringName::AlphCompare>();
 		for (List<StringName>::Element *E = utility_functions.front(); E; E = E->next()) {
-			MethodDoc md;
+			DocData::MethodDoc md;
 			md.name = E->get();
 			//return
 			if (Variant::has_utility_function_return_value(E->get())) {
@@ -759,7 +731,7 @@ void DocData::generate(bool p_basic_types) {
 					pi.usage = PROPERTY_USAGE_NIL_IS_VARIANT;
 				}
 				DocData::ArgumentDoc ad;
-				argument_doc_from_arginfo(ad, pi);
+				DocData::argument_doc_from_arginfo(ad, pi);
 				md.return_type = ad.type;
 			}
 
@@ -774,7 +746,7 @@ void DocData::generate(bool p_basic_types) {
 						pi.usage = PROPERTY_USAGE_NIL_IS_VARIANT;
 					}
 					DocData::ArgumentDoc ad;
-					argument_doc_from_arginfo(ad, pi);
+					DocData::argument_doc_from_arginfo(ad, pi);
 					md.arguments.push_back(ad);
 				}
 			}
@@ -791,7 +763,7 @@ void DocData::generate(bool p_basic_types) {
 		for (int i = 0; i < ScriptServer::get_language_count(); i++) {
 			ScriptLanguage *lang = ScriptServer::get_language(i);
 			String cname = "@" + lang->get_name();
-			ClassDoc c;
+			DocData::ClassDoc c;
 			c.name = cname;
 
 			// Get functions.
@@ -800,7 +772,7 @@ void DocData::generate(bool p_basic_types) {
 
 			for (List<MethodInfo>::Element *E = minfo.front(); E; E = E->next()) {
 				MethodInfo &mi = E->get();
-				MethodDoc md;
+				DocData::MethodDoc md;
 				md.name = mi.name;
 
 				if (mi.flags & METHOD_FLAG_VARARG) {
@@ -810,11 +782,11 @@ void DocData::generate(bool p_basic_types) {
 					md.qualifiers += "vararg";
 				}
 
-				return_doc_from_retinfo(md, mi.return_val);
+				DocData::return_doc_from_retinfo(md, mi.return_val);
 
 				for (int j = 0; j < mi.arguments.size(); j++) {
-					ArgumentDoc ad;
-					argument_doc_from_arginfo(ad, mi.arguments[j]);
+					DocData::ArgumentDoc ad;
+					DocData::argument_doc_from_arginfo(ad, mi.arguments[j]);
 
 					int darg_idx = j - (mi.arguments.size() - mi.default_arguments.size());
 					if (darg_idx >= 0) {
@@ -833,7 +805,7 @@ void DocData::generate(bool p_basic_types) {
 			lang->get_public_constants(&cinfo);
 
 			for (List<Pair<String, Variant>>::Element *E = cinfo.front(); E; E = E->next()) {
-				ConstantDoc cd;
+				DocData::ConstantDoc cd;
 				cd.name = E->get().first;
 				cd.value = E->get().second;
 				cd.is_value_valid = true;
@@ -911,7 +883,7 @@ static Error _parse_methods(Ref<XMLParser> &parser, Vector<DocData::MethodDoc> &
 	return OK;
 }
 
-Error DocData::load_classes(const String &p_dir) {
+Error DocTools::load_classes(const String &p_dir) {
 	Error err;
 	DirAccessRef da = DirAccess::open(p_dir, &err);
 	if (!da) {
@@ -939,7 +911,7 @@ Error DocData::load_classes(const String &p_dir) {
 	return OK;
 }
 
-Error DocData::erase_classes(const String &p_dir) {
+Error DocTools::erase_classes(const String &p_dir) {
 	Error err;
 	DirAccessRef da = DirAccess::open(p_dir, &err);
 	if (!da) {
@@ -967,7 +939,7 @@ Error DocData::erase_classes(const String &p_dir) {
 	return OK;
 }
 
-Error DocData::_load(Ref<XMLParser> parser) {
+Error DocTools::_load(Ref<XMLParser> parser) {
 	Error err = OK;
 
 	while ((err = parser->read()) == OK) {
@@ -983,8 +955,8 @@ Error DocData::_load(Ref<XMLParser> parser) {
 
 		ERR_FAIL_COND_V(!parser->has_attribute("name"), ERR_FILE_CORRUPT);
 		String name = parser->get_attribute_value("name");
-		class_list[name] = ClassDoc();
-		ClassDoc &c = class_list[name];
+		class_list[name] = DocData::ClassDoc();
+		DocData::ClassDoc &c = class_list[name];
 
 		c.name = name;
 		if (parser->has_attribute("inherits")) {
@@ -1012,7 +984,7 @@ Error DocData::_load(Ref<XMLParser> parser) {
 							String name3 = parser->get_node_name();
 
 							if (name3 == "link") {
-								TutorialDoc tutorial;
+								DocData::TutorialDoc tutorial;
 								if (parser->has_attribute("title")) {
 									tutorial.title = parser->get_attribute_value("title");
 								}
@@ -1041,7 +1013,7 @@ Error DocData::_load(Ref<XMLParser> parser) {
 							String name3 = parser->get_node_name();
 
 							if (name3 == "member") {
-								PropertyDoc prop2;
+								DocData::PropertyDoc prop2;
 
 								ERR_FAIL_COND_V(!parser->has_attribute("name"), ERR_FILE_CORRUPT);
 								prop2.name = parser->get_attribute_value("name");
@@ -1078,7 +1050,7 @@ Error DocData::_load(Ref<XMLParser> parser) {
 							String name3 = parser->get_node_name();
 
 							if (name3 == "theme_item") {
-								PropertyDoc prop2;
+								DocData::PropertyDoc prop2;
 
 								ERR_FAIL_COND_V(!parser->has_attribute("name"), ERR_FILE_CORRUPT);
 								prop2.name = parser->get_attribute_value("name");
@@ -1106,7 +1078,7 @@ Error DocData::_load(Ref<XMLParser> parser) {
 							String name3 = parser->get_node_name();
 
 							if (name3 == "constant") {
-								ConstantDoc constant2;
+								DocData::ConstantDoc constant2;
 								ERR_FAIL_COND_V(!parser->has_attribute("name"), ERR_FILE_CORRUPT);
 								constant2.name = parser->get_attribute_value("name");
 								ERR_FAIL_COND_V(!parser->has_attribute("value"), ERR_FILE_CORRUPT);
@@ -1155,9 +1127,9 @@ static void _write_string(FileAccess *f, int p_tablevel, const String &p_string)
 	f->store_string(tab + p_string + "\n");
 }
 
-Error DocData::save_classes(const String &p_default_path, const Map<String, String> &p_class_path) {
-	for (Map<String, ClassDoc>::Element *E = class_list.front(); E; E = E->next()) {
-		ClassDoc &c = E->get();
+Error DocTools::save_classes(const String &p_default_path, const Map<String, String> &p_class_path) {
+	for (Map<String, DocData::ClassDoc>::Element *E = class_list.front(); E; E = E->next()) {
+		DocData::ClassDoc &c = E->get();
 
 		String save_path;
 		if (p_class_path.has(c.name)) {
@@ -1192,7 +1164,7 @@ Error DocData::save_classes(const String &p_default_path, const Map<String, Stri
 
 		_write_string(f, 1, "<tutorials>");
 		for (int i = 0; i < c.tutorials.size(); i++) {
-			TutorialDoc tutorial = c.tutorials.get(i);
+			DocData::TutorialDoc tutorial = c.tutorials.get(i);
 			String title_attribute = (!tutorial.title.empty()) ? " title=\"" + tutorial.title.xml_escape() + "\"" : "";
 			_write_string(f, 2, "<link" + title_attribute + ">" + tutorial.link.xml_escape() + "</link>");
 		}
@@ -1203,7 +1175,7 @@ Error DocData::save_classes(const String &p_default_path, const Map<String, Stri
 		c.methods.sort();
 
 		for (int i = 0; i < c.methods.size(); i++) {
-			const MethodDoc &m = c.methods[i];
+			const DocData::MethodDoc &m = c.methods[i];
 
 			String qualifiers;
 			if (m.qualifiers != "") {
@@ -1222,7 +1194,7 @@ Error DocData::save_classes(const String &p_default_path, const Map<String, Stri
 			}
 
 			for (int j = 0; j < m.arguments.size(); j++) {
-				const ArgumentDoc &a = m.arguments[j];
+				const DocData::ArgumentDoc &a = m.arguments[j];
 
 				String enum_text;
 				if (a.enumeration != String()) {
@@ -1261,7 +1233,7 @@ Error DocData::save_classes(const String &p_default_path, const Map<String, Stri
 					additional_attributes += " default=\"" + c.properties[i].default_value.xml_escape(true) + "\"";
 				}
 
-				const PropertyDoc &p = c.properties[i];
+				const DocData::PropertyDoc &p = c.properties[i];
 
 				if (c.properties[i].overridden) {
 					_write_string(f, 2, "<member name=\"" + p.name + "\" type=\"" + p.type + "\" setter=\"" + p.setter + "\" getter=\"" + p.getter + "\" override=\"true\"" + additional_attributes + " />");
@@ -1279,10 +1251,10 @@ Error DocData::save_classes(const String &p_default_path, const Map<String, Stri
 
 			_write_string(f, 1, "<signals>");
 			for (int i = 0; i < c.signals.size(); i++) {
-				const MethodDoc &m = c.signals[i];
+				const DocData::MethodDoc &m = c.signals[i];
 				_write_string(f, 2, "<signal name=\"" + m.name + "\">");
 				for (int j = 0; j < m.arguments.size(); j++) {
-					const ArgumentDoc &a = m.arguments[j];
+					const DocData::ArgumentDoc &a = m.arguments[j];
 					_write_string(f, 3, "<argument index=\"" + itos(j) + "\" name=\"" + a.name.xml_escape() + "\" type=\"" + a.type.xml_escape() + "\">");
 					_write_string(f, 3, "</argument>");
 				}
@@ -1300,7 +1272,7 @@ Error DocData::save_classes(const String &p_default_path, const Map<String, Stri
 		_write_string(f, 1, "<constants>");
 
 		for (int i = 0; i < c.constants.size(); i++) {
-			const ConstantDoc &k = c.constants[i];
+			const DocData::ConstantDoc &k = c.constants[i];
 			if (k.is_value_valid) {
 				if (k.enumeration != String()) {
 					_write_string(f, 2, "<constant name=\"" + k.name + "\" value=\"" + k.value + "\" enum=\"" + k.enumeration + "\">");
@@ -1325,7 +1297,7 @@ Error DocData::save_classes(const String &p_default_path, const Map<String, Stri
 
 			_write_string(f, 1, "<theme_items>");
 			for (int i = 0; i < c.theme_properties.size(); i++) {
-				const PropertyDoc &p = c.theme_properties[i];
+				const DocData::PropertyDoc &p = c.theme_properties[i];
 
 				if (p.default_value != "") {
 					_write_string(f, 2, "<theme_item name=\"" + p.name + "\" type=\"" + p.type + "\" default=\"" + p.default_value.xml_escape(true) + "\">");
@@ -1346,7 +1318,7 @@ Error DocData::save_classes(const String &p_default_path, const Map<String, Stri
 	return OK;
 }
 
-Error DocData::load_compressed(const uint8_t *p_data, int p_compressed_size, int p_uncompressed_size) {
+Error DocTools::load_compressed(const uint8_t *p_data, int p_compressed_size, int p_uncompressed_size) {
 	Vector<uint8_t> data;
 	data.resize(p_uncompressed_size);
 	Compression::decompress(data.ptrw(), p_uncompressed_size, p_data, p_compressed_size, Compression::MODE_DEFLATE);
diff --git a/editor/doc_data.h b/editor/doc_tools.h
index 2cb475d137..db27e38c8b 100644
--- a/editor/doc_data.h
+++ b/editor/doc_tools.h
@@ -1,5 +1,5 @@
 /*************************************************************************/
-/*  doc_data.h                                                           */
+/*  doc_tools.h                                                          */
 /*************************************************************************/
 /*                       This file is part of:                           */
 /*                           GODOT ENGINE                                */
@@ -28,113 +28,28 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
-#ifndef DOC_DATA_H
-#define DOC_DATA_H
+#ifndef DOC_TOOLS_H
+#define DOC_TOOLS_H
 
-#include "core/io/xml_parser.h"
-#include "core/templates/map.h"
-#include "core/variant/variant.h"
+#include "core/doc_data.h"
 
-class DocData {
+class DocTools {
 public:
-	struct ArgumentDoc {
-		String name;
-		String type;
-		String enumeration;
-		String default_value;
-		bool operator<(const ArgumentDoc &p_arg) const {
-			if (name == p_arg.name) {
-				return type < p_arg.type;
-			}
-			return name < p_arg.name;
-		}
-	};
-
-	struct MethodDoc {
-		String name;
-		String return_type;
-		String return_enum;
-		String qualifiers;
-		String description;
-		Vector<ArgumentDoc> arguments;
-		bool operator<(const MethodDoc &p_method) const {
-			if (name == p_method.name) {
-				// Must be a constructor since there is no overloading.
-				// We want this arbitrary order for a class "Foo":
-				// - 1. Default constructor: Foo()
-				// - 2. Copy constructor: Foo(Foo)
-				// - 3+. Other constructors Foo(Bar, ...) based on first argument's name
-				if (arguments.size() == 0 || p_method.arguments.size() == 0) { // 1.
-					return arguments.size() < p_method.arguments.size();
-				}
-				if (arguments[0].type == return_type || p_method.arguments[0].type == p_method.return_type) { // 2.
-					return (arguments[0].type == return_type) || (p_method.arguments[0].type != p_method.return_type);
-				}
-				return arguments[0] < p_method.arguments[0];
-			}
-			return name < p_method.name;
-		}
-	};
-
-	struct ConstantDoc {
-		String name;
-		String value;
-		bool is_value_valid;
-		String enumeration;
-		String description;
-		bool operator<(const ConstantDoc &p_const) const {
-			return name < p_const.name;
-		}
-	};
-
-	struct PropertyDoc {
-		String name;
-		String type;
-		String enumeration;
-		String description;
-		String setter, getter;
-		String default_value;
-		bool overridden = false;
-		bool operator<(const PropertyDoc &p_prop) const {
-			return name < p_prop.name;
-		}
-	};
-
-	struct TutorialDoc {
-		String link;
-		String title;
-	};
-
-	struct ClassDoc {
-		String name;
-		String inherits;
-		String category;
-		String brief_description;
-		String description;
-		Vector<TutorialDoc> tutorials;
-		Vector<MethodDoc> methods;
-		Vector<MethodDoc> signals;
-		Vector<ConstantDoc> constants;
-		Vector<PropertyDoc> properties;
-		Vector<PropertyDoc> theme_properties;
-		bool operator<(const ClassDoc &p_class) const {
-			return name < p_class.name;
-		}
-	};
-
 	String version;
+	Map<String, DocData::ClassDoc> class_list;
 
-	Map<String, ClassDoc> class_list;
-	Error _load(Ref<XMLParser> parser);
+	static Error erase_classes(const String &p_dir);
 
-public:
-	void merge_from(const DocData &p_data);
-	void remove_from(const DocData &p_data);
+	void merge_from(const DocTools &p_data);
+	void remove_from(const DocTools &p_data);
+	void add_doc(const DocData::ClassDoc &p_class_doc);
+	void remove_doc(const String &p_class_name);
+	bool has_doc(const String &p_class_name);
 	void generate(bool p_basic_types = false);
 	Error load_classes(const String &p_dir);
-	static Error erase_classes(const String &p_dir);
 	Error save_classes(const String &p_default_path, const Map<String, String> &p_class_path);
 
+	Error _load(Ref<XMLParser> parser);
 	Error load_compressed(const uint8_t *p_data, int p_compressed_size, int p_uncompressed_size);
 };
 
diff --git a/editor/editor_file_system.cpp b/editor/editor_file_system.cpp
index c66bc9b3fa..6dcc505a11 100644
--- a/editor/editor_file_system.cpp
+++ b/editor/editor_file_system.cpp
@@ -799,6 +799,20 @@ void EditorFileSystem::_scan_new_dir(EditorFileSystemDirectory *p_dir, DirAccess
 			}
 		}
 
+		for (int i = 0; i < ScriptServer::get_language_count(); i++) {
+			ScriptLanguage *lang = ScriptServer::get_language(i);
+			if (lang->supports_documentation() && fi->type == lang->get_type()) {
+				Ref<Script> script = ResourceLoader::load(path);
+				if (script == nullptr) {
+					continue;
+				}
+				const Vector<DocData::ClassDoc> &docs = script->get_documentation();
+				for (int j = 0; j < docs.size(); j++) {
+					EditorHelp::get_doc_data()->add_doc(docs[j]);
+				}
+			}
+		}
+
 		p_dir->files.push_back(fi);
 		p_progress.update(idx, total);
 	}
diff --git a/editor/editor_help.cpp b/editor/editor_help.cpp
index 2c49782fd2..4c553950a7 100644
--- a/editor/editor_help.cpp
+++ b/editor/editor_help.cpp
@@ -40,7 +40,7 @@
 
 #define CONTRIBUTE_URL "https://docs.godotengine.org/en/latest/community/contributing/updating_the_class_reference.html"
 
-DocData *EditorHelp::doc = nullptr;
+DocTools *EditorHelp::doc = nullptr;
 
 void EditorHelp::_init_colors() {
 	title_color = get_theme_color("accent_color", "Editor");
@@ -388,7 +388,7 @@ void EditorHelp::_update_doc() {
 	}
 
 	// Descendents
-	if (ClassDB::class_exists(cd.name)) {
+	if (cd.is_script_doc || ClassDB::class_exists(cd.name)) {
 		bool found = false;
 		bool prev = false;
 
@@ -494,7 +494,19 @@ void EditorHelp::_update_doc() {
 	Set<String> skip_methods;
 	bool property_descr = false;
 
-	if (cd.properties.size()) {
+	bool has_properties = cd.properties.size() != 0;
+	if (cd.is_script_doc) {
+		has_properties = false;
+		for (int i = 0; i < cd.properties.size(); i++) {
+			if (cd.properties[i].name.begins_with("_") && cd.properties[i].description.empty()) {
+				continue;
+			}
+			has_properties = true;
+			break;
+		}
+	}
+
+	if (has_properties) {
 		section_line.push_back(Pair<String, int>(TTR("Properties"), class_desc->get_line_count() - 2));
 		class_desc->push_color(title_color);
 		class_desc->push_font(doc_title_font);
@@ -509,6 +521,10 @@ void EditorHelp::_update_doc() {
 		class_desc->set_table_column_expand(1, true);
 
 		for (int i = 0; i < cd.properties.size(); i++) {
+			// Ignore undocumented private.
+			if (cd.properties[i].name.begins_with("_") && cd.properties[i].description.empty()) {
+				continue;
+			}
 			property_line[cd.properties[i].name] = class_desc->get_line_count() - 2; //gets overridden if description
 
 			class_desc->push_cell();
@@ -565,6 +581,32 @@ void EditorHelp::_update_doc() {
 				class_desc->pop();
 			}
 
+			if (cd.is_script_doc && (cd.properties[i].setter != "" || cd.properties[i].getter != "")) {
+				class_desc->push_color(symbol_color);
+				class_desc->add_text(" [" + TTR("property:") + " ");
+				class_desc->pop(); // color
+
+				if (cd.properties[i].setter != "") {
+					class_desc->push_color(value_color);
+					class_desc->add_text("setter");
+					class_desc->pop(); // color
+				}
+				if (cd.properties[i].getter != "") {
+					if (cd.properties[i].setter != "") {
+						class_desc->push_color(symbol_color);
+						class_desc->add_text(", ");
+						class_desc->pop(); // color
+					}
+					class_desc->push_color(value_color);
+					class_desc->add_text("getter");
+					class_desc->pop(); // color
+				}
+
+				class_desc->push_color(symbol_color);
+				class_desc->add_text("]");
+				class_desc->pop(); // color
+			}
+
 			class_desc->pop();
 			class_desc->pop();
 
@@ -590,6 +632,10 @@ void EditorHelp::_update_doc() {
 				continue;
 			}
 		}
+		// Ignore undocumented private.
+		if (cd.methods[i].name.begins_with("_") && cd.methods[i].description.empty()) {
+			continue;
+		}
 		methods.push_back(cd.methods[i]);
 	}
 
@@ -802,13 +848,17 @@ void EditorHelp::_update_doc() {
 		Vector<DocData::ConstantDoc> constants;
 
 		for (int i = 0; i < cd.constants.size(); i++) {
-			if (cd.constants[i].enumeration != String()) {
+			if (!cd.constants[i].enumeration.empty()) {
 				if (!enums.has(cd.constants[i].enumeration)) {
 					enums[cd.constants[i].enumeration] = Vector<DocData::ConstantDoc>();
 				}
 
 				enums[cd.constants[i].enumeration].push_back(cd.constants[i]);
 			} else {
+				// Ignore undocumented private.
+				if (cd.constants[i].name.begins_with("_") && cd.constants[i].description.empty()) {
+					continue;
+				}
 				constants.push_back(cd.constants[i]);
 			}
 		}
@@ -848,6 +898,19 @@ void EditorHelp::_update_doc() {
 				class_desc->add_newline();
 				class_desc->add_newline();
 
+				// Enum description.
+				if (e != "@unnamed_enums" && cd.enums.has(e)) {
+					class_desc->push_color(text_color);
+					class_desc->push_font(doc_font);
+					class_desc->push_indent(1);
+					_add_text(cd.enums[e]);
+					class_desc->pop();
+					class_desc->pop();
+					class_desc->pop();
+					class_desc->add_newline();
+					class_desc->add_newline();
+				}
+
 				class_desc->push_indent(1);
 				Vector<DocData::ConstantDoc> enum_list = E->get();
 
@@ -1018,60 +1081,89 @@ void EditorHelp::_update_doc() {
 				class_desc->pop(); // color
 			}
 
+			if (cd.is_script_doc && (cd.properties[i].setter != "" || cd.properties[i].getter != "")) {
+				class_desc->push_color(symbol_color);
+				class_desc->add_text(" [" + TTR("property:") + " ");
+				class_desc->pop(); // color
+
+				if (cd.properties[i].setter != "") {
+					class_desc->push_color(value_color);
+					class_desc->add_text("setter");
+					class_desc->pop(); // color
+				}
+				if (cd.properties[i].getter != "") {
+					if (cd.properties[i].setter != "") {
+						class_desc->push_color(symbol_color);
+						class_desc->add_text(", ");
+						class_desc->pop(); // color
+					}
+					class_desc->push_color(value_color);
+					class_desc->add_text("getter");
+					class_desc->pop(); // color
+				}
+
+				class_desc->push_color(symbol_color);
+				class_desc->add_text("]");
+				class_desc->pop(); // color
+			}
+
 			class_desc->pop(); // font
 			class_desc->pop(); // cell
 
-			Map<String, DocData::MethodDoc> method_map;
-			for (int j = 0; j < methods.size(); j++) {
-				method_map[methods[j].name] = methods[j];
-			}
+			// Script doc doesn't have setter, getter.
+			if (!cd.is_script_doc) {
+				Map<String, DocData::MethodDoc> method_map;
+				for (int j = 0; j < methods.size(); j++) {
+					method_map[methods[j].name] = methods[j];
+				}
 
-			if (cd.properties[i].setter != "") {
-				class_desc->push_cell();
-				class_desc->pop(); // cell
+				if (cd.properties[i].setter != "") {
+					class_desc->push_cell();
+					class_desc->pop(); // cell
 
-				class_desc->push_cell();
-				class_desc->push_font(doc_code_font);
-				class_desc->push_color(text_color);
-				if (method_map[cd.properties[i].setter].arguments.size() > 1) {
-					// Setters with additional arguments are exposed in the method list, so we link them here for quick access.
-					class_desc->push_meta("@method " + cd.properties[i].setter);
-					class_desc->add_text(cd.properties[i].setter + TTR("(value)"));
-					class_desc->pop();
-				} else {
-					class_desc->add_text(cd.properties[i].setter + TTR("(value)"));
+					class_desc->push_cell();
+					class_desc->push_font(doc_code_font);
+					class_desc->push_color(text_color);
+					if (method_map[cd.properties[i].setter].arguments.size() > 1) {
+						// Setters with additional arguments are exposed in the method list, so we link them here for quick access.
+						class_desc->push_meta("@method " + cd.properties[i].setter);
+						class_desc->add_text(cd.properties[i].setter + TTR("(value)"));
+						class_desc->pop();
+					} else {
+						class_desc->add_text(cd.properties[i].setter + TTR("(value)"));
+					}
+					class_desc->pop(); // color
+					class_desc->push_color(comment_color);
+					class_desc->add_text(" setter");
+					class_desc->pop(); // color
+					class_desc->pop(); // font
+					class_desc->pop(); // cell
+					method_line[cd.properties[i].setter] = property_line[cd.properties[i].name];
 				}
-				class_desc->pop(); // color
-				class_desc->push_color(comment_color);
-				class_desc->add_text(" setter");
-				class_desc->pop(); // color
-				class_desc->pop(); // font
-				class_desc->pop(); // cell
-				method_line[cd.properties[i].setter] = property_line[cd.properties[i].name];
-			}
 
-			if (cd.properties[i].getter != "") {
-				class_desc->push_cell();
-				class_desc->pop(); // cell
+				if (cd.properties[i].getter != "") {
+					class_desc->push_cell();
+					class_desc->pop(); // cell
 
-				class_desc->push_cell();
-				class_desc->push_font(doc_code_font);
-				class_desc->push_color(text_color);
-				if (method_map[cd.properties[i].getter].arguments.size() > 0) {
-					// Getters with additional arguments are exposed in the method list, so we link them here for quick access.
-					class_desc->push_meta("@method " + cd.properties[i].getter);
-					class_desc->add_text(cd.properties[i].getter + "()");
-					class_desc->pop();
-				} else {
-					class_desc->add_text(cd.properties[i].getter + "()");
+					class_desc->push_cell();
+					class_desc->push_font(doc_code_font);
+					class_desc->push_color(text_color);
+					if (method_map[cd.properties[i].getter].arguments.size() > 0) {
+						// Getters with additional arguments are exposed in the method list, so we link them here for quick access.
+						class_desc->push_meta("@method " + cd.properties[i].getter);
+						class_desc->add_text(cd.properties[i].getter + "()");
+						class_desc->pop();
+					} else {
+						class_desc->add_text(cd.properties[i].getter + "()");
+					}
+					class_desc->pop(); //color
+					class_desc->push_color(comment_color);
+					class_desc->add_text(" getter");
+					class_desc->pop(); //color
+					class_desc->pop(); //font
+					class_desc->pop(); //cell
+					method_line[cd.properties[i].getter] = property_line[cd.properties[i].name];
 				}
-				class_desc->pop(); //color
-				class_desc->push_color(comment_color);
-				class_desc->add_text(" getter");
-				class_desc->pop(); //color
-				class_desc->pop(); //font
-				class_desc->pop(); //cell
-				method_line[cd.properties[i].getter] = property_line[cd.properties[i].name];
 			}
 
 			class_desc->pop(); // table
@@ -1082,13 +1174,17 @@ void EditorHelp::_update_doc() {
 			class_desc->push_color(text_color);
 			class_desc->push_font(doc_font);
 			class_desc->push_indent(1);
-			if (cd.properties[i].description.strip_edges() != String()) {
+			if (!cd.properties[i].description.strip_edges().empty()) {
 				_add_text(DTR(cd.properties[i].description));
 			} else {
 				class_desc->add_image(get_theme_icon("Error", "EditorIcons"));
 				class_desc->add_text(" ");
 				class_desc->push_color(comment_color);
-				class_desc->append_bbcode(TTR("There is currently no description for this property. Please help us by [color=$color][url=$url]contributing one[/url][/color]!").replace("$url", CONTRIBUTE_URL).replace("$color", link_color_text));
+				if (cd.is_script_doc) {
+					class_desc->append_bbcode(TTR("There is currently no description for this property."));
+				} else {
+					class_desc->append_bbcode(TTR("There is currently no description for this property. Please help us by [color=$color][url=$url]contributing one[/url][/color]!").replace("$url", CONTRIBUTE_URL).replace("$color", link_color_text));
+				}
 				class_desc->pop();
 			}
 			class_desc->pop();
@@ -1133,13 +1229,17 @@ void EditorHelp::_update_doc() {
 				class_desc->push_color(text_color);
 				class_desc->push_font(doc_font);
 				class_desc->push_indent(1);
-				if (methods_filtered[i].description.strip_edges() != String()) {
+				if (!methods_filtered[i].description.strip_edges().empty()) {
 					_add_text(DTR(methods_filtered[i].description));
 				} else {
 					class_desc->add_image(get_theme_icon("Error", "EditorIcons"));
 					class_desc->add_text(" ");
 					class_desc->push_color(comment_color);
-					class_desc->append_bbcode(TTR("There is currently no description for this method. Please help us by [color=$color][url=$url]contributing one[/url][/color]!").replace("$url", CONTRIBUTE_URL).replace("$color", link_color_text));
+					if (cd.is_script_doc) {
+						class_desc->append_bbcode(TTR("There is currently no description for this method."));
+					} else {
+						class_desc->append_bbcode(TTR("There is currently no description for this method. Please help us by [color=$color][url=$url]contributing one[/url][/color]!").replace("$url", CONTRIBUTE_URL).replace("$color", link_color_text));
+					}
 					class_desc->pop();
 				}
 
@@ -1223,7 +1323,7 @@ void EditorHelp::_help_callback(const String &p_topic) {
 }
 
 static void _add_text_to_rt(const String &p_bbcode, RichTextLabel *p_rt) {
-	DocData *doc = EditorHelp::get_doc_data();
+	DocTools *doc = EditorHelp::get_doc_data();
 	String base_path;
 
 	Ref<Font> doc_font = p_rt->get_theme_font("doc", "EditorFonts");
@@ -1518,9 +1618,9 @@ void EditorHelp::_add_text(const String &p_bbcode) {
 }
 
 void EditorHelp::generate_doc() {
-	doc = memnew(DocData);
+	doc = memnew(DocTools);
 	doc->generate(true);
-	DocData compdoc;
+	DocTools compdoc;
 	compdoc.load_compressed(_doc_data_compressed, _doc_data_compressed_size, _doc_data_uncompressed_size);
 	doc->merge_from(compdoc); //ensure all is up to date
 }
@@ -1549,6 +1649,12 @@ void EditorHelp::go_to_class(const String &p_class, int p_scroll) {
 	_goto_desc(p_class, p_scroll);
 }
 
+void EditorHelp::update_doc() {
+	ERR_FAIL_COND(!doc->class_list.has(edited_class));
+	ERR_FAIL_COND(!doc->class_list[edited_class].is_script_doc);
+	_update_doc();
+}
+
 Vector<Pair<String, int>> EditorHelp::get_sections() {
 	Vector<Pair<String, int>> sections;
 
diff --git a/editor/editor_help.h b/editor/editor_help.h
index cdb674cffd..737f841d30 100644
--- a/editor/editor_help.h
+++ b/editor/editor_help.h
@@ -32,7 +32,7 @@
 #define EDITOR_HELP_H
 
 #include "editor/code_editor.h"
-#include "editor/doc_data.h"
+#include "editor/doc_tools.h"
 #include "editor/editor_plugin.h"
 #include "scene/gui/margin_container.h"
 #include "scene/gui/menu_button.h"
@@ -118,7 +118,7 @@ class EditorHelp : public VBoxContainer {
 
 	RichTextLabel *class_desc;
 	HSplitContainer *h_split;
-	static DocData *doc;
+	static DocTools *doc;
 
 	ConfirmationDialog *search_dialog;
 	LineEdit *search;
@@ -166,10 +166,11 @@ protected:
 
 public:
 	static void generate_doc();
-	static DocData *get_doc_data() { return doc; }
+	static DocTools *get_doc_data() { return doc; }
 
 	void go_to_help(const String &p_help);
 	void go_to_class(const String &p_class, int p_scroll = 0);
+	void update_doc();
 
 	Vector<Pair<String, int>> get_sections();
 	void scroll_to_section(int p_section_index);
diff --git a/editor/editor_inspector.cpp b/editor/editor_inspector.cpp
index 0c419168c0..d88a0e3ff8 100644
--- a/editor/editor_inspector.cpp
+++ b/editor/editor_inspector.cpp
@@ -32,6 +32,7 @@
 
 #include "array_property_edit.h"
 #include "dictionary_property_edit.h"
+#include "editor/doc_tools.h"
 #include "editor_feature_profile.h"
 #include "editor_node.h"
 #include "editor_scale.h"
@@ -1708,7 +1709,7 @@ void EditorInspector::update_tree() {
 				StringName type2 = p.name;
 				if (!class_descr_cache.has(type2)) {
 					String descr;
-					DocData *dd = EditorHelp::get_doc_data();
+					DocTools *dd = EditorHelp::get_doc_data();
 					Map<String, DocData::ClassDoc>::Element *E = dd->class_list.find(type2);
 					if (E) {
 						descr = DTR(E->get().brief_description);
@@ -1878,7 +1879,7 @@ void EditorInspector::update_tree() {
 			}
 
 			if (!found) {
-				DocData *dd = EditorHelp::get_doc_data();
+				DocTools *dd = EditorHelp::get_doc_data();
 				Map<String, DocData::ClassDoc>::Element *F = dd->class_list.find(classname);
 				while (F && descr == String()) {
 					for (int i = 0; i < F->get().properties.size(); i++) {
diff --git a/editor/plugins/script_editor_plugin.cpp b/editor/plugins/script_editor_plugin.cpp
index 6ee8193291..12790a6746 100644
--- a/editor/plugins/script_editor_plugin.cpp
+++ b/editor/plugins/script_editor_plugin.cpp
@@ -1249,13 +1249,35 @@ void ScriptEditor::_menu_option(int p_option) {
 
 				RES resource = current->get_edited_resource();
 				Ref<TextFile> text_file = resource;
+				Ref<Script> script = resource;
+
 				if (text_file != nullptr) {
 					current->apply_code();
 					_save_text_file(text_file, text_file->get_path());
 					break;
 				}
+
+				if (script != nullptr) {
+					const Vector<DocData::ClassDoc> &documentations = script->get_documentation();
+					for (int j = 0; j < documentations.size(); j++) {
+						const DocData::ClassDoc &doc = documentations.get(j);
+						if (EditorHelp::get_doc_data()->has_doc(doc.name)) {
+							EditorHelp::get_doc_data()->remove_doc(doc.name);
+						}
+					}
+				}
+
 				editor->save_resource(resource);
 
+				if (script != nullptr) {
+					const Vector<DocData::ClassDoc> &documentations = script->get_documentation();
+					for (int j = 0; j < documentations.size(); j++) {
+						const DocData::ClassDoc &doc = documentations.get(j);
+						EditorHelp::get_doc_data()->add_doc(doc);
+						update_doc(doc.name);
+					}
+				}
+
 			} break;
 			case FILE_SAVE_AS: {
 				if (trim_trailing_whitespace_on_save) {
@@ -1274,6 +1296,8 @@ void ScriptEditor::_menu_option(int p_option) {
 
 				RES resource = current->get_edited_resource();
 				Ref<TextFile> text_file = resource;
+				Ref<Script> script = resource;
+
 				if (text_file != nullptr) {
 					file_dialog->set_file_mode(EditorFileDialog::FILE_MODE_SAVE_FILE);
 					file_dialog->set_access(EditorFileDialog::ACCESS_FILESYSTEM);
@@ -1289,9 +1313,27 @@ void ScriptEditor::_menu_option(int p_option) {
 					break;
 				}
 
+				if (script != nullptr) {
+					const Vector<DocData::ClassDoc> &documentations = script->get_documentation();
+					for (int j = 0; j < documentations.size(); j++) {
+						const DocData::ClassDoc &doc = documentations.get(j);
+						if (EditorHelp::get_doc_data()->has_doc(doc.name)) {
+							EditorHelp::get_doc_data()->remove_doc(doc.name);
+						}
+					}
+				}
+
 				editor->push_item(resource.ptr());
 				editor->save_resource_as(resource);
 
+				if (script != nullptr) {
+					const Vector<DocData::ClassDoc> &documentations = script->get_documentation();
+					for (int j = 0; j < documentations.size(); j++) {
+						const DocData::ClassDoc &doc = documentations.get(j);
+						EditorHelp::get_doc_data()->add_doc(doc);
+						update_doc(doc.name);
+					}
+				}
 			} break;
 
 			case FILE_TOOL_RELOAD:
@@ -2318,11 +2360,33 @@ void ScriptEditor::save_all_scripts() {
 
 		if (edited_res->get_path() != "" && edited_res->get_path().find("local://") == -1 && edited_res->get_path().find("::") == -1) {
 			Ref<TextFile> text_file = edited_res;
+			Ref<Script> script = edited_res;
+
 			if (text_file != nullptr) {
 				_save_text_file(text_file, text_file->get_path());
 				continue;
 			}
+
+			if (script != nullptr) {
+				const Vector<DocData::ClassDoc> &documentations = script->get_documentation();
+				for (int j = 0; j < documentations.size(); j++) {
+					const DocData::ClassDoc &doc = documentations.get(j);
+					if (EditorHelp::get_doc_data()->has_doc(doc.name)) {
+						EditorHelp::get_doc_data()->remove_doc(doc.name);
+					}
+				}
+			}
+
 			editor->save_resource(edited_res); //external script, save it
+
+			if (script != nullptr) {
+				const Vector<DocData::ClassDoc> &documentations = script->get_documentation();
+				for (int j = 0; j < documentations.size(); j++) {
+					const DocData::ClassDoc &doc = documentations.get(j);
+					EditorHelp::get_doc_data()->add_doc(doc);
+					update_doc(doc.name);
+				}
+			}
 		}
 	}
 
@@ -2900,6 +2964,18 @@ void ScriptEditor::_help_class_goto(const String &p_desc) {
 	_save_layout();
 }
 
+void ScriptEditor::update_doc(const String &p_name) {
+	ERR_FAIL_COND(!EditorHelp::get_doc_data()->has_doc(p_name));
+
+	for (int i = 0; i < tab_container->get_child_count(); i++) {
+		EditorHelp *eh = Object::cast_to<EditorHelp>(tab_container->get_child(i));
+		if (eh && eh->get_class() == p_name) {
+			eh->update_doc();
+			return;
+		}
+	}
+}
+
 void ScriptEditor::_update_selected_editor_menu() {
 	for (int i = 0; i < tab_container->get_child_count(); i++) {
 		bool current = tab_container->get_current_tab() == i;
diff --git a/editor/plugins/script_editor_plugin.h b/editor/plugins/script_editor_plugin.h
index f1453c3d20..cc02a1ccbe 100644
--- a/editor/plugins/script_editor_plugin.h
+++ b/editor/plugins/script_editor_plugin.h
@@ -482,6 +482,7 @@ public:
 	void close_builtin_scripts_from_scene(const String &p_scene);
 
 	void goto_help(const String &p_desc) { _help_class_goto(p_desc); }
+	void update_doc(const String &p_name);
 
 	bool can_take_away_focus() const;
 
diff --git a/editor/property_selector.cpp b/editor/property_selector.cpp
index 75420a1ef4..1ff73f25c5 100644
--- a/editor/property_selector.cpp
+++ b/editor/property_selector.cpp
@@ -31,6 +31,7 @@
 #include "property_selector.h"
 
 #include "core/os/keyboard.h"
+#include "editor/doc_tools.h"
 #include "editor/editor_node.h"
 #include "editor_scale.h"
 
@@ -349,7 +350,7 @@ void PropertySelector::_item_selected() {
 		class_type = base_type;
 	}
 
-	DocData *dd = EditorHelp::get_doc_data();
+	DocTools *dd = EditorHelp::get_doc_data();
 	String text;
 
 	if (properties) {