Move inheritance resolution to the parser
This commit is contained in:
George Marques
parent
8aab9a06d4
commit
b7a00aead0
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@ -1826,8 +1826,40 @@ String GDScriptLanguage::get_global_class_name(const String &p_path, String *r_b
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if (parser.get_parse_tree() && parser.get_parse_tree()->type == GDScriptParser::Node::TYPE_CLASS) {
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const GDScriptParser::ClassNode *c = static_cast<const GDScriptParser::ClassNode *>(parser.get_parse_tree());
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if (r_base_type && c->extends_used && c->extends_class.size() == 1) {
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*r_base_type = c->extends_class[0]; //todo, should work much better
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if (r_base_type) {
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GDScriptParser::DataType base_type;
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if (c->base_type.has_type) {
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base_type = c->base_type;
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while (base_type.has_type && base_type.kind != GDScriptParser::DataType::NATIVE) {
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switch (base_type.kind) {
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case GDScriptParser::DataType::CLASS: {
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base_type = base_type.class_type->base_type;
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} break;
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case GDScriptParser::DataType::GDSCRIPT: {
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Ref<GDScript> gds = base_type.script_type;
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if (gds.is_valid()) {
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base_type.kind = GDScriptParser::DataType::NATIVE;
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base_type.native_type = gds->get_instance_base_type();
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} else {
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base_type = GDScriptParser::DataType();
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}
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} break;
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default: {
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base_type = GDScriptParser::DataType();
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} break;
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}
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}
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}
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if (base_type.has_type) {
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*r_base_type = base_type.native_type;
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} else {
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// Fallback
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if (c->extends_used && c->extends_class.size() == 1) {
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*r_base_type = c->extends_class[0];
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} else if (!c->extends_used) {
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*r_base_type = "Reference";
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}
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}
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}
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return c->name;
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}
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@ -263,15 +263,6 @@ int GDScriptCompiler::_parse_expression(CodeGen &codegen, const GDScriptParser::
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owner = owner->_owner;
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}
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/*
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handled in constants now
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if (codegen.script->subclasses.has(identifier)) {
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//same with a subclass, make it a local constant.
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int idx = codegen.get_constant_pos(codegen.script->subclasses[identifier]);
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return idx|(GDScriptFunction::ADDR_TYPE_LOCAL_CONSTANT<<GDScriptFunction::ADDR_BITS); //make it a local constant (faster access)
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}*/
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if (GDScriptLanguage::get_singleton()->get_global_map().has(identifier)) {
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int idx = GDScriptLanguage::get_singleton()->get_global_map()[identifier];
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@ -1657,12 +1648,23 @@ Error GDScriptCompiler::_parse_function(GDScript *p_script, const GDScriptParser
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return OK;
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}
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Error GDScriptCompiler::_parse_class(GDScript *p_script, GDScript *p_owner, const GDScriptParser::ClassNode *p_class, bool p_keep_state) {
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Error GDScriptCompiler::_parse_class_level(GDScript *p_script, GDScript *p_owner, const GDScriptParser::ClassNode *p_class, bool p_keep_state) {
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Map<StringName, Ref<GDScript> > old_subclasses;
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if (p_keep_state) {
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old_subclasses = p_script->subclasses;
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if (p_class->owner && p_class->owner->owner) {
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// Owner is not root
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StringName owner_name = p_class->owner->name;
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if (!parsed_classes.has(owner_name)) {
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if (parsing_classes.has(owner_name)) {
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_set_error("Cyclic class reference for '" + String(owner_name) + "'.", p_class);
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return ERR_PARSE_ERROR;
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}
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parsing_classes.insert(owner_name);
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Error err = _parse_class_level(class_map[owner_name].ptr(), class_map[owner_name]->_owner, p_class->owner, p_keep_state);
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if (err) {
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return err;
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}
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parsing_classes.erase(owner_name);
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}
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}
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p_script->native = Ref<GDScriptNativeClass>();
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@ -1686,177 +1688,46 @@ Error GDScriptCompiler::_parse_class(GDScript *p_script, GDScript *p_owner, cons
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Ref<GDScriptNativeClass> native;
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if (p_class->extends_used) {
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//do inheritance
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String path = p_class->extends_file;
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Ref<GDScript> script;
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if (path != "") {
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//path (and optionally subclasses)
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if (path.is_rel_path()) {
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String base;
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if (p_owner) {
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GDScript *current_class = p_owner;
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while (current_class != NULL) {
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base = current_class->get_path();
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if (base == "")
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current_class = current_class->_owner;
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else
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break;
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}
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} else {
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base = p_script->get_path();
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// Inheritance
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switch (p_class->base_type.kind) {
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case GDScriptParser::DataType::CLASS: {
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StringName base_name = p_class->base_type.class_type->name;
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// Make sure dependency is parsed first
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if (!parsed_classes.has(base_name)) {
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if (parsing_classes.has(base_name)) {
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_set_error("Cyclic class reference for '" + String(base_name) + "'.", p_class);
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return ERR_PARSE_ERROR;
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}
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if (base == "" || base.is_rel_path()) {
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_set_error("Could not resolve relative path for parent class: " + path, p_class);
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return ERR_FILE_NOT_FOUND;
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parsing_classes.insert(base_name);
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Error err = _parse_class_level(class_map[base_name].ptr(), class_map[base_name]->_owner, p_class->base_type.class_type, p_keep_state);
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if (err) {
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return err;
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}
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path = base.get_base_dir().plus_file(path).simplify_path();
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parsing_classes.erase(base_name);
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}
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script = ResourceLoader::load(path);
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if (script.is_null()) {
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_set_error("Could not load base class: " + path, p_class);
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return ERR_FILE_NOT_FOUND;
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}
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if (!script->valid) {
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_set_error("Script not fully loaded (cyclic preload?): " + path, p_class);
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return ERR_BUSY;
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}
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//print_line("EXTENDS PATH: "+path+" script is "+itos(script.is_valid())+" indices is "+itos(script->member_indices.size())+" valid? "+itos(script->valid));
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if (p_class->extends_class.size()) {
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for (int i = 0; i < p_class->extends_class.size(); i++) {
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String sub = p_class->extends_class[i];
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if (script->subclasses.has(sub)) {
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Ref<Script> subclass = script->subclasses[sub]; //avoid reference from disappearing
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script = subclass;
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} else {
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_set_error("Could not find subclass: " + sub, p_class);
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return ERR_FILE_NOT_FOUND;
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}
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}
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}
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} else {
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ERR_FAIL_COND_V(p_class->extends_class.size() == 0, ERR_BUG);
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//look around for the subclasses
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String base = p_class->extends_class[0];
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GDScript *p = p_owner;
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Ref<GDScript> base_class;
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while (p) {
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if (p->subclasses.has(base)) {
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base_class = p->subclasses[base];
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break;
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}
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if (p->constants.has(base)) {
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base_class = p->constants[base];
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if (base_class.is_null()) {
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_set_error("Constant is not a class: " + base, p_class);
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return ERR_SCRIPT_FAILED;
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}
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break;
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}
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p = p->_owner;
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}
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if (base_class.is_valid()) {
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String ident = base;
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for (int i = 1; i < p_class->extends_class.size(); i++) {
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String subclass = p_class->extends_class[i];
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ident += ("." + subclass);
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if (base_class->subclasses.has(subclass)) {
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base_class = base_class->subclasses[subclass];
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} else if (base_class->constants.has(subclass)) {
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Ref<GDScript> new_base_class = base_class->constants[subclass];
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if (new_base_class.is_null()) {
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_set_error("Constant is not a class: " + ident, p_class);
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return ERR_SCRIPT_FAILED;
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}
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base_class = new_base_class;
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} else {
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_set_error("Could not find subclass: " + ident, p_class);
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return ERR_FILE_NOT_FOUND;
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}
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}
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script = base_class;
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} else {
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if (p_class->extends_class.size() > 1) {
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_set_error("Invalid inheritance (unknown class+subclasses)", p_class);
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return ERR_FILE_NOT_FOUND;
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}
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//if not found, try engine classes
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if (!GDScriptLanguage::get_singleton()->get_global_map().has(base)) {
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_set_error("Unknown class: '" + base + "'", p_class);
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return ERR_FILE_NOT_FOUND;
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}
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int base_idx = GDScriptLanguage::get_singleton()->get_global_map()[base];
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native = GDScriptLanguage::get_singleton()->get_global_array()[base_idx];
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if (!native.is_valid()) {
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_set_error("Global not a class: '" + base + "'", p_class);
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return ERR_FILE_NOT_FOUND;
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}
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}
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}
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if (script.is_valid()) {
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p_script->base = script;
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Ref<GDScript> base = class_map[base_name];
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p_script->base = base;
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p_script->_base = p_script->base.ptr();
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p_script->member_indices = script->member_indices;
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} else if (native.is_valid()) {
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p_script->member_indices = base->member_indices;
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} break;
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case GDScriptParser::DataType::GDSCRIPT: {
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Ref<GDScript> base = p_class->base_type.script_type;
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p_script->base = base;
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p_script->_base = p_script->base.ptr();
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p_script->member_indices = base->member_indices;
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} break;
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case GDScriptParser::DataType::NATIVE: {
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int native_idx = GDScriptLanguage::get_singleton()->get_global_map()[p_class->base_type.native_type];
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native = GDScriptLanguage::get_singleton()->get_global_array()[native_idx];
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ERR_FAIL_COND_V(native.is_null(), ERR_BUG);
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p_script->native = native;
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} else {
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_set_error("Could not determine inheritance", p_class);
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return ERR_FILE_NOT_FOUND;
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}
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} else {
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// without extends, implicitly extend Reference
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int native_idx = GDScriptLanguage::get_singleton()->get_global_map()["Reference"];
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native = GDScriptLanguage::get_singleton()->get_global_array()[native_idx];
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ERR_FAIL_COND_V(native.is_null(), ERR_BUG);
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p_script->native = native;
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} break;
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default: {
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_set_error("Parser bug: invalid inheritance.", p_class);
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return ERR_BUG;
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} break;
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}
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//print_line("Script: "+p_script->get_path()+" indices: "+itos(p_script->member_indices.size()));
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for (int i = 0; i < p_class->variables.size(); i++) {
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StringName name = p_class->variables[i].identifier;
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@ -1902,6 +1773,7 @@ Error GDScriptCompiler::_parse_class(GDScript *p_script, GDScript *p_owner, cons
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for (int i = 0; i < p_class->constant_expressions.size(); i++) {
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StringName name = p_class->constant_expressions[i].identifier;
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ERR_CONTINUE(p_class->constant_expressions[i].expression->type != GDScriptParser::Node::TYPE_CONSTANT);
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if (_is_class_member_property(p_script, name)) {
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@ -1948,23 +1820,27 @@ Error GDScriptCompiler::_parse_class(GDScript *p_script, GDScript *p_owner, cons
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p_script->_signals[name] = p_class->_signals[i].arguments;
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}
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if (p_class->name != StringName()) {
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parsed_classes.insert(p_class->name);
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}
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//parse sub-classes
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for (int i = 0; i < p_class->subclasses.size(); i++) {
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StringName name = p_class->subclasses[i]->name;
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Ref<GDScript> subclass;
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Ref<GDScript> subclass = class_map[name];
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if (old_subclasses.has(name)) {
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subclass = old_subclasses[name];
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} else {
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subclass.instance();
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// Subclass might still be parsing, just skip it
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if (!parsed_classes.has(name) && !parsing_classes.has(name)) {
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parsing_classes.insert(name);
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Error err = _parse_class_level(subclass.ptr(), p_script, p_class->subclasses[i], p_keep_state);
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if (err)
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return err;
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parsing_classes.erase(name);
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}
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Error err = _parse_class(subclass.ptr(), p_script, p_class->subclasses[i], p_keep_state);
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if (err)
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return err;
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#ifdef TOOLS_ENABLED
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p_script->member_lines[name] = p_class->subclasses[i]->line;
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@ -1974,6 +1850,11 @@ Error GDScriptCompiler::_parse_class(GDScript *p_script, GDScript *p_owner, cons
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p_script->subclasses.insert(name, subclass);
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}
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p_script->valid = true;
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return OK;
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}
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Error GDScriptCompiler::_parse_class_blocks(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state) {
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//parse methods
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bool has_initializer = false;
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@ -2014,44 +1895,6 @@ Error GDScriptCompiler::_parse_class(GDScript *p_script, GDScript *p_owner, cons
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}
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#ifdef DEBUG_ENABLED
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//validate setters/getters if debug is enabled
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for (int i = 0; i < p_class->variables.size(); i++) {
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if (p_class->variables[i].setter) {
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const Map<StringName, GDScriptFunction *>::Element *E = p_script->get_member_functions().find(p_class->variables[i].setter);
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if (!E) {
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_set_error("Setter function '" + String(p_class->variables[i].setter) + "' not found in class.", NULL);
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err_line = p_class->variables[i].line;
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err_column = 0;
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return ERR_PARSE_ERROR;
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}
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if (E->get()->is_static()) {
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_set_error("Setter function '" + String(p_class->variables[i].setter) + "' is static.", NULL);
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err_line = p_class->variables[i].line;
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err_column = 0;
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return ERR_PARSE_ERROR;
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}
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}
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if (p_class->variables[i].getter) {
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const Map<StringName, GDScriptFunction *>::Element *E = p_script->get_member_functions().find(p_class->variables[i].getter);
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if (!E) {
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_set_error("Getter function '" + String(p_class->variables[i].getter) + "' not found in class.", NULL);
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err_line = p_class->variables[i].line;
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err_column = 0;
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return ERR_PARSE_ERROR;
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}
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if (E->get()->is_static()) {
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_set_error("Getter function '" + String(p_class->variables[i].getter) + "' is static.", NULL);
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err_line = p_class->variables[i].line;
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err_column = 0;
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return ERR_PARSE_ERROR;
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}
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}
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}
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//validate instances if keeping state
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@ -2104,10 +1947,45 @@ Error GDScriptCompiler::_parse_class(GDScript *p_script, GDScript *p_owner, cons
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}
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#endif
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p_script->valid = true;
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for (int i = 0; i < p_class->subclasses.size(); i++) {
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StringName name = p_class->subclasses[i]->name;
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Ref<GDScript> subclass = class_map[name];
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Error err = _parse_class_blocks(subclass.ptr(), p_class->subclasses[i], p_keep_state);
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if (err) {
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return err;
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}
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}
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return OK;
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}
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void GDScriptCompiler::_make_scripts(const GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state) {
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Map<StringName, Ref<GDScript> > old_subclasses;
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if (p_keep_state) {
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old_subclasses = p_script->subclasses;
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}
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for (int i = 0; i < p_class->subclasses.size(); i++) {
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StringName name = p_class->subclasses[i]->name;
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Ref<GDScript> subclass;
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if (old_subclasses.has(name)) {
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subclass = old_subclasses[name];
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} else {
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subclass.instance();
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}
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subclass->_owner = const_cast<GDScript *>(p_script);
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class_map.insert(name, subclass);
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_make_scripts(subclass.ptr(), p_class->subclasses[i], p_keep_state);
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}
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}
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Error GDScriptCompiler::compile(const GDScriptParser *p_parser, GDScript *p_script, bool p_keep_state) {
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|
||||
err_line = -1;
|
||||
|
|
@ -2119,7 +1997,15 @@ Error GDScriptCompiler::compile(const GDScriptParser *p_parser, GDScript *p_scri
|
|||
|
||||
source = p_script->get_path();
|
||||
|
||||
Error err = _parse_class(p_script, NULL, static_cast<const GDScriptParser::ClassNode *>(root), p_keep_state);
|
||||
// Create scripts for subclasses beforehand so they can be referenced
|
||||
_make_scripts(p_script, static_cast<const GDScriptParser::ClassNode *>(root), p_keep_state);
|
||||
|
||||
Error err = _parse_class_level(p_script, NULL, static_cast<const GDScriptParser::ClassNode *>(root), p_keep_state);
|
||||
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = _parse_class_blocks(p_script, static_cast<const GDScriptParser::ClassNode *>(root), p_keep_state);
|
||||
|
||||
if (err)
|
||||
return err;
|
||||
|
|
|
|||
|
|
@ -31,12 +31,16 @@
|
|||
#ifndef GDSCRIPT_COMPILER_H
|
||||
#define GDSCRIPT_COMPILER_H
|
||||
|
||||
#include "core/set.h"
|
||||
#include "gdscript.h"
|
||||
#include "gdscript_parser.h"
|
||||
|
||||
class GDScriptCompiler {
|
||||
|
||||
const GDScriptParser *parser;
|
||||
Map<StringName, Ref<GDScript> > class_map;
|
||||
Set<StringName> parsed_classes;
|
||||
Set<StringName> parsing_classes;
|
||||
struct CodeGen {
|
||||
|
||||
GDScript *script;
|
||||
|
|
@ -142,7 +146,9 @@ class GDScriptCompiler {
|
|||
int _parse_expression(CodeGen &codegen, const GDScriptParser::Node *p_expression, int p_stack_level, bool p_root = false, bool p_initializer = false);
|
||||
Error _parse_block(CodeGen &codegen, const GDScriptParser::BlockNode *p_block, int p_stack_level = 0, int p_break_addr = -1, int p_continue_addr = -1);
|
||||
Error _parse_function(GDScript *p_script, const GDScriptParser::ClassNode *p_class, const GDScriptParser::FunctionNode *p_func, bool p_for_ready = false);
|
||||
Error _parse_class(GDScript *p_script, GDScript *p_owner, const GDScriptParser::ClassNode *p_class, bool p_keep_state);
|
||||
Error _parse_class_level(GDScript *p_script, GDScript *p_owner, const GDScriptParser::ClassNode *p_class, bool p_keep_state);
|
||||
Error _parse_class_blocks(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state);
|
||||
void _make_scripts(const GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state);
|
||||
int err_line;
|
||||
int err_column;
|
||||
StringName source;
|
||||
|
|
|
|||
|
|
@ -3188,10 +3188,25 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
|
|||
name = tokenizer->get_token_identifier(1);
|
||||
tokenizer->advance(2);
|
||||
|
||||
// Check if name is shadowing something else
|
||||
if (ClassDB::class_exists(name)) {
|
||||
_set_error("Class '" + String(name) + "' shadows a native class.");
|
||||
return;
|
||||
}
|
||||
if (ScriptServer::is_global_class(name)) {
|
||||
_set_error("Can't override name of unique global class '" + name + "' already exists at path: " + ScriptServer::get_global_class_path(p_class->name));
|
||||
return;
|
||||
}
|
||||
if (class_map.has(name)) {
|
||||
_set_error("Class '" + String(name) + "' shadows another class in the file.");
|
||||
return;
|
||||
}
|
||||
for (int i = 0; i < p_class->constant_expressions.size(); i++) {
|
||||
if (p_class->constant_expressions[i].identifier == name) {
|
||||
_set_error("Class '" + String(name) + "' shadows a constant of the outer class.");
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
ClassNode *newclass = alloc_node<ClassNode>();
|
||||
newclass->initializer = alloc_node<BlockNode>();
|
||||
|
|
@ -3202,6 +3217,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
|
|||
newclass->owner = p_class;
|
||||
|
||||
p_class->subclasses.push_back(newclass);
|
||||
class_map.insert(name, newclass);
|
||||
|
||||
if (tokenizer->get_token() == GDScriptTokenizer::TK_PR_EXTENDS) {
|
||||
|
||||
|
|
@ -4337,6 +4353,8 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
|
|||
return;
|
||||
}
|
||||
|
||||
int line = tokenizer->get_token_line();
|
||||
|
||||
tokenizer->advance();
|
||||
|
||||
Node *subexpr = _parse_and_reduce_expression(p_class, true, true);
|
||||
|
|
@ -4348,14 +4366,15 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
|
|||
}
|
||||
|
||||
if (subexpr->type != Node::TYPE_CONSTANT) {
|
||||
_set_error("Expected constant expression");
|
||||
_set_error("Expected constant expression", line);
|
||||
return;
|
||||
}
|
||||
constant.expression = subexpr;
|
||||
|
||||
p_class->constant_expressions.push_back(constant);
|
||||
|
||||
if (!_end_statement()) {
|
||||
_set_error("Expected end of statement (constant)");
|
||||
_set_error("Expected end of statement (constant)", line);
|
||||
return;
|
||||
}
|
||||
|
||||
|
|
@ -4415,17 +4434,19 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
|
|||
|
||||
if (subexpr->type != Node::TYPE_CONSTANT) {
|
||||
_set_error("Expected constant expression");
|
||||
return;
|
||||
}
|
||||
|
||||
const ConstantNode *subexpr_const = static_cast<const ConstantNode *>(subexpr);
|
||||
ConstantNode *subexpr_const = static_cast<ConstantNode *>(subexpr);
|
||||
|
||||
if (subexpr_const->value.get_type() != Variant::INT) {
|
||||
_set_error("Expected an int value for enum");
|
||||
return;
|
||||
}
|
||||
|
||||
last_assign = subexpr_const->value;
|
||||
|
||||
constant.expression = subexpr;
|
||||
constant.expression = subexpr_const;
|
||||
|
||||
} else {
|
||||
last_assign = last_assign + 1;
|
||||
|
|
@ -4483,6 +4504,212 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
|
|||
}
|
||||
}
|
||||
|
||||
void GDScriptParser::_determine_inheritance(ClassNode *p_class) {
|
||||
|
||||
if (p_class->extends_used) {
|
||||
//do inheritance
|
||||
String path = p_class->extends_file;
|
||||
|
||||
Ref<GDScript> script;
|
||||
StringName native;
|
||||
ClassNode *base_class = NULL;
|
||||
|
||||
if (path != "") {
|
||||
//path (and optionally subclasses)
|
||||
|
||||
if (path.is_rel_path()) {
|
||||
|
||||
String base = self_path;
|
||||
|
||||
if (base == "" || base.is_rel_path()) {
|
||||
_set_error("Could not resolve relative path for parent class: " + path, p_class->line);
|
||||
return;
|
||||
}
|
||||
path = base.get_base_dir().plus_file(path).simplify_path();
|
||||
}
|
||||
script = ResourceLoader::load(path);
|
||||
if (script.is_null()) {
|
||||
_set_error("Could not load base class: " + path, p_class->line);
|
||||
return;
|
||||
}
|
||||
if (!script->is_valid()) {
|
||||
|
||||
_set_error("Script not fully loaded (cyclic preload?): " + path, p_class->line);
|
||||
return;
|
||||
}
|
||||
|
||||
if (p_class->extends_class.size()) {
|
||||
|
||||
for (int i = 0; i < p_class->extends_class.size(); i++) {
|
||||
|
||||
String sub = p_class->extends_class[i];
|
||||
if (script->get_subclasses().has(sub)) {
|
||||
|
||||
Ref<Script> subclass = script->get_subclasses()[sub]; //avoid reference from disappearing
|
||||
script = subclass;
|
||||
} else {
|
||||
|
||||
_set_error("Could not find subclass: " + sub, p_class->line);
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
} else {
|
||||
|
||||
if (p_class->extends_class.size() == 0) {
|
||||
_set_error("Parser bug: undecidable inheritance.", p_class->line);
|
||||
ERR_FAIL();
|
||||
}
|
||||
//look around for the subclasses
|
||||
|
||||
int extend_iter = 1;
|
||||
String base = p_class->extends_class[0];
|
||||
ClassNode *p = p_class->owner;
|
||||
Ref<GDScript> base_script;
|
||||
|
||||
if (ScriptServer::is_global_class(base)) {
|
||||
base_script = ResourceLoader::load(ScriptServer::get_global_class_path(base));
|
||||
if (!base_script.is_valid()) {
|
||||
_set_error("Class '" + base + "' could not be fully loaded (script error or cyclic inheritance).", p_class->line);
|
||||
return;
|
||||
}
|
||||
p = NULL;
|
||||
}
|
||||
|
||||
while (p) {
|
||||
|
||||
bool found = false;
|
||||
|
||||
for (int i = 0; i < p->subclasses.size(); i++) {
|
||||
if (p->subclasses[i]->name == base) {
|
||||
ClassNode *test = p->subclasses[i];
|
||||
while (test) {
|
||||
if (test == p_class) {
|
||||
_set_error("Cyclic inheritance.", test->line);
|
||||
return;
|
||||
}
|
||||
if (test->base_type.kind == DataType::CLASS) {
|
||||
test = test->base_type.class_type;
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
found = true;
|
||||
if (extend_iter < p_class->extends_class.size()) {
|
||||
// Keep looking at current classes if possible
|
||||
base = p_class->extends_class[extend_iter++];
|
||||
p = p->subclasses[i];
|
||||
} else {
|
||||
base_class = p->subclasses[i];
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (base_class) break;
|
||||
if (found) continue;
|
||||
|
||||
for (int i = 0; i < p->constant_expressions.size(); i++) {
|
||||
if (p->constant_expressions[i].identifier == base) {
|
||||
if (!p->constant_expressions[i].expression->type == Node::TYPE_CONSTANT) {
|
||||
_set_error("Could not resolve constant '" + base + "'.", p_class->line);
|
||||
return;
|
||||
}
|
||||
const ConstantNode *cn = static_cast<const ConstantNode *>(p->constant_expressions[i].expression);
|
||||
base_script = cn->value;
|
||||
if (base_script.is_null()) {
|
||||
_set_error("Constant is not a class: " + base, p_class->line);
|
||||
return;
|
||||
}
|
||||
found = true;
|
||||
}
|
||||
}
|
||||
|
||||
if (found) break;
|
||||
|
||||
p = p->owner;
|
||||
}
|
||||
|
||||
if (base_script.is_valid()) {
|
||||
|
||||
String ident = base;
|
||||
|
||||
for (int i = extend_iter; i < p_class->extends_class.size(); i++) {
|
||||
|
||||
String subclass = p_class->extends_class[i];
|
||||
|
||||
ident += ("." + subclass);
|
||||
|
||||
if (base_script->get_subclasses().has(subclass)) {
|
||||
|
||||
base_script = base_script->get_subclasses()[subclass];
|
||||
} else if (base_script->get_constants().has(subclass)) {
|
||||
|
||||
Ref<GDScript> new_base_class = base_script->get_constants()[subclass];
|
||||
if (new_base_class.is_null()) {
|
||||
_set_error("Constant is not a class: " + ident, p_class->line);
|
||||
return;
|
||||
}
|
||||
base_script = new_base_class;
|
||||
} else {
|
||||
|
||||
_set_error("Could not find subclass: " + ident, p_class->line);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
script = base_script;
|
||||
|
||||
} else if (!base_class) {
|
||||
|
||||
if (p_class->extends_class.size() > 1) {
|
||||
|
||||
_set_error("Invalid inheritance (unknown class + subclasses)", p_class->line);
|
||||
return;
|
||||
}
|
||||
//if not found, try engine classes
|
||||
if (!GDScriptLanguage::get_singleton()->get_global_map().has(base)) {
|
||||
|
||||
_set_error("Unknown class: '" + base + "'", p_class->line);
|
||||
return;
|
||||
}
|
||||
|
||||
native = base;
|
||||
}
|
||||
}
|
||||
|
||||
if (base_class) {
|
||||
p_class->base_type.has_type = true;
|
||||
p_class->base_type.kind = DataType::CLASS;
|
||||
p_class->base_type.class_type = base_class;
|
||||
} else if (script.is_valid()) {
|
||||
p_class->base_type.has_type = true;
|
||||
p_class->base_type.kind = DataType::GDSCRIPT;
|
||||
p_class->base_type.script_type = script;
|
||||
p_class->base_type.native_type = script->get_instance_base_type();
|
||||
} else if (native != StringName()) {
|
||||
p_class->base_type.has_type = true;
|
||||
p_class->base_type.kind = DataType::NATIVE;
|
||||
p_class->base_type.native_type = native;
|
||||
} else {
|
||||
_set_error("Could not determine inheritance", p_class->line);
|
||||
return;
|
||||
}
|
||||
|
||||
} else {
|
||||
// without extends, implicitly extend Reference
|
||||
p_class->base_type.has_type = true;
|
||||
p_class->base_type.kind = DataType::NATIVE;
|
||||
p_class->base_type.native_type = "Reference";
|
||||
}
|
||||
|
||||
// Recursively determine subclasses
|
||||
for (int i = 0; i < p_class->subclasses.size(); i++) {
|
||||
_determine_inheritance(p_class->subclasses[i]);
|
||||
}
|
||||
}
|
||||
|
||||
bool GDScriptParser::_parse_type(DataType &r_type, bool p_can_be_void) {
|
||||
tokenizer->advance();
|
||||
|
||||
|
|
@ -4553,9 +4780,15 @@ Error GDScriptParser::_parse(const String &p_base_path) {
|
|||
}
|
||||
|
||||
if (error_set) {
|
||||
|
||||
return ERR_PARSE_ERROR;
|
||||
}
|
||||
|
||||
_determine_inheritance(main_class);
|
||||
|
||||
if (error_set) {
|
||||
return ERR_PARSE_ERROR;
|
||||
}
|
||||
|
||||
return OK;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -107,6 +107,7 @@ public:
|
|||
|
||||
struct FunctionNode;
|
||||
struct BlockNode;
|
||||
struct ConstantNode;
|
||||
|
||||
struct ClassNode : public Node {
|
||||
|
||||
|
|
@ -115,6 +116,7 @@ public:
|
|||
bool extends_used;
|
||||
StringName extends_file;
|
||||
Vector<StringName> extends_class;
|
||||
DataType base_type;
|
||||
|
||||
struct Member {
|
||||
PropertyInfo _export;
|
||||
|
|
@ -446,6 +448,7 @@ private:
|
|||
ClassNode *current_class;
|
||||
FunctionNode *current_function;
|
||||
BlockNode *current_block;
|
||||
Map<StringName, ClassNode *> class_map;
|
||||
|
||||
bool _get_completable_identifier(CompletionType p_type, StringName &identifier);
|
||||
void _make_completable_call(int p_arg);
|
||||
|
|
@ -487,6 +490,7 @@ private:
|
|||
void _parse_class(ClassNode *p_class);
|
||||
bool _end_statement();
|
||||
|
||||
void _determine_inheritance(ClassNode *p_class);
|
||||
bool _parse_type(DataType &r_type, bool p_can_be_void = false);
|
||||
|
||||
Error _parse(const String &p_base_path);
|
||||
|
|
|
|||
Loading…
Reference in a new issue