diff options
Diffstat (limited to 'modules/gdscript/gdscript_analyzer.cpp')
| -rw-r--r-- | modules/gdscript/gdscript_analyzer.cpp | 234 |
1 files changed, 209 insertions, 25 deletions
diff --git a/modules/gdscript/gdscript_analyzer.cpp b/modules/gdscript/gdscript_analyzer.cpp index e925350ba3..23e88ae059 100644 --- a/modules/gdscript/gdscript_analyzer.cpp +++ b/modules/gdscript/gdscript_analyzer.cpp @@ -30,6 +30,7 @@ #include "gdscript_analyzer.h" +#include "core/config/engine.h" #include "core/config/project_settings.h" #include "core/io/file_access.h" #include "core/io/resource_loader.h" @@ -131,6 +132,76 @@ static GDScriptParser::DataType make_builtin_meta_type(Variant::Type p_type) { return type; } +bool GDScriptAnalyzer::has_member_name_conflict_in_script_class(const StringName &p_member_name, const GDScriptParser::ClassNode *p_class) { + if (p_class->members_indices.has(p_member_name)) { + int index = p_class->members_indices[p_member_name]; + const GDScriptParser::ClassNode::Member *member = &p_class->members[index]; + + if (member->type == GDScriptParser::ClassNode::Member::VARIABLE || + member->type == GDScriptParser::ClassNode::Member::CONSTANT || + member->type == GDScriptParser::ClassNode::Member::ENUM || + member->type == GDScriptParser::ClassNode::Member::ENUM_VALUE || + member->type == GDScriptParser::ClassNode::Member::CLASS || + member->type == GDScriptParser::ClassNode::Member::SIGNAL) { + return true; + } + } + + return false; +} + +bool GDScriptAnalyzer::has_member_name_conflict_in_native_type(const StringName &p_member_name, const StringName &p_native_type_string) { + if (ClassDB::has_signal(p_native_type_string, p_member_name)) { + return true; + } + if (ClassDB::has_property(p_native_type_string, p_member_name)) { + return true; + } + if (ClassDB::has_integer_constant(p_native_type_string, p_member_name)) { + return true; + } + + return false; +} + +Error GDScriptAnalyzer::check_native_member_name_conflict(const StringName &p_member_name, const GDScriptParser::Node *p_member_node, const StringName &p_native_type_string) { + if (has_member_name_conflict_in_native_type(p_member_name, p_native_type_string)) { + push_error(vformat(R"(Member "%s" redefined (original in native class '%s'))", p_member_name, p_native_type_string), p_member_node); + return ERR_PARSE_ERROR; + } + + if (class_exists(p_member_name)) { + push_error(vformat(R"(The member "%s" shadows a native class.)", p_member_name), p_member_node); + return ERR_PARSE_ERROR; + } + + return OK; +} + +Error GDScriptAnalyzer::check_class_member_name_conflict(const GDScriptParser::ClassNode *p_class_node, const StringName &p_member_name, const GDScriptParser::Node *p_member_node) { + const GDScriptParser::DataType *current_data_type = &p_class_node->base_type; + while (current_data_type && current_data_type->kind == GDScriptParser::DataType::Kind::CLASS) { + GDScriptParser::ClassNode *current_class_node = current_data_type->class_type; + if (has_member_name_conflict_in_script_class(p_member_name, current_class_node)) { + push_error(vformat(R"(The member "%s" already exists in a parent class.)", p_member_name), + p_member_node); + return ERR_PARSE_ERROR; + } + current_data_type = ¤t_class_node->base_type; + } + + if (current_data_type && current_data_type->kind == GDScriptParser::DataType::Kind::NATIVE) { + if (current_data_type->native_type != StringName("")) { + return check_native_member_name_conflict( + p_member_name, + p_member_node, + current_data_type->native_type); + } + } + + return OK; +} + Error GDScriptAnalyzer::resolve_inheritance(GDScriptParser::ClassNode *p_class, bool p_recursive) { if (p_class->base_type.is_set()) { // Already resolved @@ -147,6 +218,17 @@ Error GDScriptAnalyzer::resolve_inheritance(GDScriptParser::ClassNode *p_class, p_class->fqcn = p_class->outer->fqcn + "::" + String(p_class->identifier->name); } + if (p_class->identifier) { + StringName class_name = p_class->identifier->name; + if (class_exists(class_name)) { + push_error(vformat(R"(Class "%s" hides a native class.)", class_name), p_class->identifier); + } else if (ScriptServer::is_global_class(class_name) && (ScriptServer::get_global_class_path(class_name) != parser->script_path || p_class != parser->head)) { + push_error(vformat(R"(Class "%s" hides a global script class.)", class_name), p_class->identifier); + } else if (ProjectSettings::get_singleton()->has_autoload(class_name) && ProjectSettings::get_singleton()->get_autoload(class_name).is_singleton) { + push_error(vformat(R"(Class "%s" hides an autoload singleton.)", class_name), p_class->identifier); + } + } + GDScriptParser::DataType result; // Set datatype for class. @@ -171,6 +253,9 @@ Error GDScriptAnalyzer::resolve_inheritance(GDScriptParser::ClassNode *p_class, int extends_index = 0; if (!p_class->extends_path.is_empty()) { + if (p_class->extends_path.is_relative_path()) { + p_class->extends_path = class_type.script_path.get_base_dir().plus_file(p_class->extends_path).simplify_path(); + } Ref<GDScriptParserRef> parser = get_parser_for(p_class->extends_path); if (parser.is_null()) { push_error(vformat(R"(Could not resolve super class path "%s".)", p_class->extends_path), p_class); @@ -432,8 +517,28 @@ GDScriptParser::DataType GDScriptAnalyzer::resolve_datatype(GDScriptParser::Type case GDScriptParser::ClassNode::Member::CONSTANT: if (member.constant->get_datatype().is_meta_type) { result = member.constant->get_datatype(); + result.is_meta_type = false; found = true; break; + } else if (Ref<Script>(member.constant->initializer->reduced_value).is_valid()) { + Ref<GDScript> gdscript = member.constant->initializer->reduced_value; + if (gdscript.is_valid()) { + Ref<GDScriptParserRef> ref = get_parser_for(gdscript->get_path()); + if (ref->raise_status(GDScriptParserRef::INTERFACE_SOLVED) != OK) { + push_error(vformat(R"(Could not parse script from "%s".)", gdscript->get_path()), p_type); + return GDScriptParser::DataType(); + } + result = ref->get_parser()->head->get_datatype(); + result.is_meta_type = false; + } else { + Ref<GDScript> script = member.constant->initializer->reduced_value; + result.kind = GDScriptParser::DataType::SCRIPT; + result.builtin_type = Variant::OBJECT; + result.script_type = script; + result.script_path = script->get_path(); + result.native_type = script->get_instance_base_type(); + } + break; } [[fallthrough]]; default: @@ -504,6 +609,8 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas switch (member.type) { case GDScriptParser::ClassNode::Member::VARIABLE: { + check_class_member_name_conflict(p_class, member.variable->identifier->name, member.variable); + GDScriptParser::DataType datatype; datatype.kind = GDScriptParser::DataType::VARIANT; datatype.type_source = GDScriptParser::DataType::UNDETECTED; @@ -577,6 +684,8 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas } } break; case GDScriptParser::ClassNode::Member::CONSTANT: { + check_class_member_name_conflict(p_class, member.constant->identifier->name, member.constant); + reduce_expression(member.constant->initializer); GDScriptParser::DataType specified_type; @@ -586,8 +695,9 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas specified_type.is_meta_type = false; } - GDScriptParser::DataType datatype = member.constant->get_datatype(); + GDScriptParser::DataType datatype; if (member.constant->initializer) { + datatype = member.constant->initializer->get_datatype(); if (member.constant->initializer->type == GDScriptParser::Node::ARRAY) { GDScriptParser::ArrayNode *array = static_cast<GDScriptParser::ArrayNode *>(member.constant->initializer); const_fold_array(array); @@ -626,6 +736,8 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas } } break; case GDScriptParser::ClassNode::Member::SIGNAL: { + check_class_member_name_conflict(p_class, member.signal->identifier->name, member.signal); + for (int j = 0; j < member.signal->parameters.size(); j++) { GDScriptParser::DataType signal_type = resolve_datatype(member.signal->parameters[j]->datatype_specifier); signal_type.is_meta_type = false; @@ -645,6 +757,8 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas } } break; case GDScriptParser::ClassNode::Member::ENUM: { + check_class_member_name_conflict(p_class, member.m_enum->identifier->name, member.m_enum); + GDScriptParser::DataType enum_type; enum_type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT; enum_type.kind = GDScriptParser::DataType::ENUM; @@ -696,6 +810,8 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas break; case GDScriptParser::ClassNode::Member::ENUM_VALUE: { if (member.enum_value.custom_value) { + check_class_member_name_conflict(p_class, member.enum_value.identifier->name, member.enum_value.custom_value); + current_enum = member.enum_value.parent_enum; reduce_expression(member.enum_value.custom_value); current_enum = nullptr; @@ -709,6 +825,8 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas member.enum_value.resolved = true; } } else { + check_class_member_name_conflict(p_class, member.enum_value.identifier->name, member.enum_value.parent_enum); + if (member.enum_value.index > 0) { member.enum_value.value = member.enum_value.parent_enum->values[member.enum_value.index - 1].value + 1; } else { @@ -721,7 +839,8 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas p_class->members.write[i].enum_value = member.enum_value; } break; case GDScriptParser::ClassNode::Member::CLASS: - break; // Done later. + check_class_member_name_conflict(p_class, member.m_class->identifier->name, member.m_class); + break; case GDScriptParser::ClassNode::Member::UNDEFINED: ERR_PRINT("Trying to resolve undefined member."); break; @@ -1068,12 +1187,28 @@ void GDScriptAnalyzer::resolve_for(GDScriptParser::ForNode *p_for) { } } - if (!list_resolved) { + GDScriptParser::DataType variable_type; + if (list_resolved) { + variable_type.type_source = GDScriptParser::DataType::ANNOTATED_INFERRED; + variable_type.kind = GDScriptParser::DataType::BUILTIN; + variable_type.builtin_type = Variant::INT; // Can this ever be a float or something else? + p_for->variable->set_datatype(variable_type); + } else { resolve_node(p_for->list); + if (p_for->list->datatype.has_container_element_type()) { + variable_type = p_for->list->datatype.get_container_element_type(); + variable_type.type_source = GDScriptParser::DataType::ANNOTATED_INFERRED; + } else if (p_for->list->datatype.is_typed_container_type()) { + variable_type = p_for->list->datatype.get_typed_container_type(); + variable_type.type_source = GDScriptParser::DataType::ANNOTATED_INFERRED; + } else { + // Last resort + // TODO: Must other cases be handled? Must we mark as unsafe? + variable_type.type_source = GDScriptParser::DataType::UNDETECTED; + variable_type.kind = GDScriptParser::DataType::VARIANT; + } } - - // TODO: If list is a typed array, the variable should be an element. - // Also applicable for constant range() (so variable is int or float). + p_for->variable->set_datatype(variable_type); resolve_suite(p_for->loop); p_for->set_datatype(p_for->loop->get_datatype()); @@ -1361,8 +1496,7 @@ void GDScriptAnalyzer::resolve_parameter(GDScriptParser::ParameterNode *p_parame } if (p_parameter->datatype_specifier != nullptr) { - resolve_datatype(p_parameter->datatype_specifier); - result = p_parameter->datatype_specifier->get_datatype(); + result = resolve_datatype(p_parameter->datatype_specifier); result.is_meta_type = false; if (p_parameter->default_value != nullptr) { @@ -1374,6 +1508,10 @@ void GDScriptAnalyzer::resolve_parameter(GDScriptParser::ParameterNode *p_parame } } + if (result.builtin_type == Variant::Type::NIL && result.type_source == GDScriptParser::DataType::ANNOTATED_INFERRED && p_parameter->datatype_specifier == nullptr) { + push_error(vformat(R"(Could not infer the type of the variable "%s" because the initial value is "null".)", p_parameter->identifier->name), p_parameter->default_value); + } + p_parameter->set_datatype(result); } @@ -1616,7 +1754,6 @@ void GDScriptAnalyzer::reduce_assignment(GDScriptParser::AssignmentNode *p_assig } else { // TODO: Warning in this case. mark_node_unsafe(p_assignment); - p_assignment->use_conversion_assign = true; } } } else { @@ -1644,6 +1781,15 @@ void GDScriptAnalyzer::reduce_assignment(GDScriptParser::AssignmentNode *p_assig identifier->variable_source->set_datatype(id_type); } } break; + case GDScriptParser::IdentifierNode::FUNCTION_PARAMETER: { + GDScriptParser::DataType id_type = identifier->parameter_source->get_datatype(); + if (!id_type.is_hard_type()) { + id_type = assigned_value_type; + id_type.type_source = GDScriptParser::DataType::INFERRED; + id_type.is_constant = false; + identifier->parameter_source->set_datatype(id_type); + } + } break; case GDScriptParser::IdentifierNode::LOCAL_VARIABLE: { GDScriptParser::DataType id_type = identifier->variable_source->get_datatype(); if (!id_type.is_hard_type()) { @@ -2129,6 +2275,9 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool is_awa if (is_self && parser->current_function != nullptr && parser->current_function->is_static && !is_static) { push_error(vformat(R"*(Cannot call non-static function "%s()" from static function "%s()".)*", p_call->function_name, parser->current_function->identifier->name), p_call->callee); + } else if (!is_self && base_type.is_meta_type && !is_static) { + base_type.is_meta_type = false; // For `to_string()`. + push_error(vformat(R"*(Cannot call non-static function "%s()" on the class "%s" directly. Make an instance instead.)*", p_call->function_name, base_type.to_string()), p_call->callee); } else if (is_self && !is_static && !lambda_stack.is_empty()) { push_error(vformat(R"*(Cannot call non-static function "%s()" from a lambda function.)*", p_call->function_name), p_call->callee); } @@ -2302,13 +2451,15 @@ void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNod p_identifier->is_constant = true; p_identifier->reduced_value = result; p_identifier->set_datatype(type_from_variant(result, p_identifier)); - } else { + } else if (base.is_hard_type()) { push_error(vformat(R"(Cannot find constant "%s" on type "%s".)", name, base.to_string()), p_identifier); } } else { switch (base.builtin_type) { case Variant::NIL: { - push_error(vformat(R"(Invalid get index "%s" on base Nil)", name), p_identifier); + if (base.is_hard_type()) { + push_error(vformat(R"(Invalid get index "%s" on base Nil)", name), p_identifier); + } return; } case Variant::DICTIONARY: { @@ -2329,7 +2480,9 @@ void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNod return; } } - push_error(vformat(R"(Cannot find property "%s" on base "%s".)", name, base.to_string()), p_identifier); + if (base.is_hard_type()) { + push_error(vformat(R"(Cannot find property "%s" on base "%s".)", name, base.to_string()), p_identifier); + } } } } @@ -2387,11 +2540,17 @@ void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNod case GDScriptParser::ClassNode::Member::VARIABLE: p_identifier->source = GDScriptParser::IdentifierNode::MEMBER_VARIABLE; p_identifier->variable_source = member.variable; + member.variable->usages += 1; break; case GDScriptParser::ClassNode::Member::FUNCTION: resolve_function_signature(member.function); p_identifier->set_datatype(make_callable_type(member.function->info)); break; + case GDScriptParser::ClassNode::Member::CLASS: + // For out-of-order resolution: + resolve_class_interface(member.m_class); + p_identifier->set_datatype(member.m_class->get_datatype()); + break; default: break; // Type already set. } @@ -2403,14 +2562,29 @@ void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNod while (outer != nullptr) { if (outer->has_member(name)) { const GDScriptParser::ClassNode::Member &member = outer->get_member(name); - if (member.type == GDScriptParser::ClassNode::Member::CONSTANT) { - // TODO: Make sure loops won't cause problem. And make special error message for those. - // For out-of-order resolution: - reduce_expression(member.constant->initializer); - p_identifier->set_datatype(member.get_datatype()); - p_identifier->is_constant = true; - p_identifier->reduced_value = member.constant->initializer->reduced_value; - return; + switch (member.type) { + case GDScriptParser::ClassNode::Member::CONSTANT: { + // TODO: Make sure loops won't cause problem. And make special error message for those. + // For out-of-order resolution: + reduce_expression(member.constant->initializer); + p_identifier->set_datatype(member.get_datatype()); + p_identifier->is_constant = true; + p_identifier->reduced_value = member.constant->initializer->reduced_value; + return; + } break; + case GDScriptParser::ClassNode::Member::ENUM_VALUE: { + p_identifier->set_datatype(member.get_datatype()); + p_identifier->is_constant = true; + p_identifier->reduced_value = member.enum_value.value; + return; + } break; + case GDScriptParser::ClassNode::Member::ENUM: { + p_identifier->set_datatype(member.get_datatype()); + p_identifier->is_constant = false; + return; + } break; + default: + break; } } outer = outer->outer; @@ -2698,7 +2872,7 @@ void GDScriptAnalyzer::reduce_preload(GDScriptParser::PreloadNode *p_preload) { } else { p_preload->resolved_path = p_preload->path->reduced_value; // TODO: Save this as script dependency. - if (p_preload->resolved_path.is_rel_path()) { + if (p_preload->resolved_path.is_relative_path()) { p_preload->resolved_path = parser->script_path.get_base_dir().plus_file(p_preload->resolved_path); } p_preload->resolved_path = p_preload->resolved_path.simplify_path(); @@ -2724,6 +2898,9 @@ void GDScriptAnalyzer::reduce_self(GDScriptParser::SelfNode *p_self) { } void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscript) { + if (p_subscript->base == nullptr) { + return; + } if (p_subscript->base->type == GDScriptParser::Node::IDENTIFIER) { reduce_identifier(static_cast<GDScriptParser::IdentifierNode *>(p_subscript->base), true); } else { @@ -3201,7 +3378,7 @@ GDScriptParser::DataType GDScriptAnalyzer::type_from_property(const PropertyInfo return result; } -bool GDScriptAnalyzer::get_function_signature(GDScriptParser::Node *p_source, GDScriptParser::DataType p_base_type, const StringName &p_function, GDScriptParser::DataType &r_return_type, List<GDScriptParser::DataType> &r_par_types, int &r_default_arg_count, bool &r_static, bool &r_vararg) { +bool GDScriptAnalyzer::get_function_signature(GDScriptParser::CallNode *p_source, GDScriptParser::DataType p_base_type, const StringName &p_function, GDScriptParser::DataType &r_return_type, List<GDScriptParser::DataType> &r_par_types, int &r_default_arg_count, bool &r_static, bool &r_vararg) { r_static = false; r_vararg = false; r_default_arg_count = 0; @@ -3220,14 +3397,16 @@ bool GDScriptAnalyzer::get_function_signature(GDScriptParser::Node *p_source, GD for (const MethodInfo &E : methods) { if (E.name == p_function) { - return function_signature_from_info(E, r_return_type, r_par_types, r_default_arg_count, r_static, r_vararg); + function_signature_from_info(E, r_return_type, r_par_types, r_default_arg_count, r_static, r_vararg); + r_static = Variant::is_builtin_method_static(p_base_type.builtin_type, function_name); + return true; } } return false; } - bool is_constructor = p_base_type.is_meta_type && p_function == "new"; + bool is_constructor = (p_base_type.is_meta_type || (p_source->callee && p_source->callee->type == GDScriptParser::Node::IDENTIFIER)) && p_function == StaticCString::create("new"); if (is_constructor) { function_name = "_init"; r_static = true; @@ -3257,6 +3436,7 @@ bool GDScriptAnalyzer::get_function_signature(GDScriptParser::Node *p_source, GD } } r_return_type = found_function->get_datatype(); + r_return_type.is_meta_type = false; r_return_type.is_coroutine = found_function->is_coroutine; return true; @@ -3304,7 +3484,11 @@ bool GDScriptAnalyzer::get_function_signature(GDScriptParser::Node *p_source, GD MethodInfo info; if (ClassDB::get_method_info(base_native, function_name, &info)) { - return function_signature_from_info(info, r_return_type, r_par_types, r_default_arg_count, r_static, r_vararg); + bool valid = function_signature_from_info(info, r_return_type, r_par_types, r_default_arg_count, r_static, r_vararg); + if (valid && Engine::get_singleton()->has_singleton(base_native)) { + r_static = true; + } + return valid; } return false; |