diff options
Diffstat (limited to 'modules/gdscript/gdscript_analyzer.cpp')
| -rw-r--r-- | modules/gdscript/gdscript_analyzer.cpp | 176 |
1 files changed, 145 insertions, 31 deletions
diff --git a/modules/gdscript/gdscript_analyzer.cpp b/modules/gdscript/gdscript_analyzer.cpp index ab37e54cf1..fc0bef3ba2 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" @@ -112,11 +113,10 @@ static GDScriptParser::DataType make_native_enum_type(const StringName &p_native type.is_meta_type = true; List<StringName> enum_values; - StringName real_native_name = GDScriptParser::get_real_class_name(p_native_class); - ClassDB::get_enum_constants(real_native_name, p_enum_name, &enum_values); + ClassDB::get_enum_constants(p_native_class, p_enum_name, &enum_values); for (const StringName &E : enum_values) { - type.enum_values[E] = ClassDB::get_integer_constant(real_native_name, E); + type.enum_values[E] = ClassDB::get_integer_constant(p_native_class, E); } return type; @@ -132,6 +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 class "%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 @@ -229,7 +299,7 @@ Error GDScriptAnalyzer::resolve_inheritance(GDScriptParser::ClassNode *p_class, push_error(vformat(R"(Could not resolve super class inheritance from "%s".)", name), p_class); return err; } - } else if (class_exists(name) && ClassDB::can_instantiate(GDScriptParser::get_real_class_name(name))) { + } else if (class_exists(name) && ClassDB::can_instantiate(name)) { base.kind = GDScriptParser::DataType::NATIVE; base.native_type = name; } else { @@ -406,7 +476,7 @@ GDScriptParser::DataType GDScriptAnalyzer::resolve_datatype(GDScriptParser::Type return GDScriptParser::DataType(); } result = ref->get_parser()->head->get_datatype(); - } else if (ClassDB::has_enum(GDScriptParser::get_real_class_name(parser->current_class->base_type.native_type), first)) { + } else if (ClassDB::has_enum(parser->current_class->base_type.native_type, first)) { // Native enum in current class. result = make_native_enum_type(parser->current_class->base_type.native_type, first); } else { @@ -433,8 +503,28 @@ 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: @@ -469,7 +559,7 @@ GDScriptParser::DataType GDScriptAnalyzer::resolve_datatype(GDScriptParser::Type } } else if (result.kind == GDScriptParser::DataType::NATIVE) { // Only enums allowed for native. - if (ClassDB::has_enum(GDScriptParser::get_real_class_name(result.native_type), p_type->type_chain[1]->name)) { + if (ClassDB::has_enum(result.native_type, p_type->type_chain[1]->name)) { if (p_type->type_chain.size() > 2) { push_error(R"(Enums cannot contain nested types.)", p_type->type_chain[2]); } else { @@ -505,6 +595,8 @@ 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; @@ -578,6 +670,8 @@ 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; @@ -627,6 +721,8 @@ 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; @@ -646,6 +742,8 @@ 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; @@ -697,6 +795,8 @@ 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; @@ -710,6 +810,8 @@ 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 { @@ -722,7 +824,8 @@ 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; @@ -2130,6 +2233,9 @@ 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); } @@ -2252,7 +2358,7 @@ void GDScriptAnalyzer::reduce_get_node(GDScriptParser::GetNodeNode *p_get_node) result.native_type = "Node"; result.builtin_type = Variant::OBJECT; - if (!ClassDB::is_parent_class(GDScriptParser::get_real_class_name(parser->current_class->base_type.native_type), result.native_type)) { + if (!ClassDB::is_parent_class(parser->current_class->base_type.native_type, result.native_type)) { push_error(R"*(Cannot use shorthand "get_node()" notation ("$") on a class that isn't a node.)*", p_get_node); } else if (!lambda_stack.is_empty()) { push_error(R"*(Cannot use shorthand "get_node()" notation ("$") inside a lambda. Use a captured variable instead.)*", p_get_node); @@ -2388,11 +2494,17 @@ 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. } @@ -2421,7 +2533,7 @@ void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNod } // Check native members. - const StringName &native = GDScriptParser::get_real_class_name(base.native_type); + const StringName &native = base.native_type; if (class_exists(native)) { PropertyInfo prop_info; @@ -2699,7 +2811,7 @@ 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(); @@ -2725,6 +2837,9 @@ 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 { @@ -3202,7 +3317,7 @@ 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; @@ -3221,14 +3336,16 @@ 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; @@ -3258,6 +3375,7 @@ 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; @@ -3303,11 +3421,13 @@ bool GDScriptAnalyzer::get_function_signature(GDScriptParser::Node *p_source, GD return true; } - StringName real_native = GDScriptParser::get_real_class_name(base_native); - MethodInfo info; - if (ClassDB::get_method_info(real_native, function_name, &info)) { - return function_signature_from_info(info, r_return_type, r_par_types, r_default_arg_count, r_static, r_vararg); + if (ClassDB::get_method_info(base_native, function_name, &info)) { + 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; @@ -3398,24 +3518,23 @@ bool GDScriptAnalyzer::is_shadowing(GDScriptParser::IdentifierNode *p_local, con StringName parent = base_native; while (parent != StringName()) { - StringName real_class_name = GDScriptParser::get_real_class_name(parent); - if (ClassDB::has_method(real_class_name, name, true)) { + if (ClassDB::has_method(parent, name, true)) { parser->push_warning(p_local, GDScriptWarning::SHADOWED_VARIABLE_BASE_CLASS, p_context, p_local->name, "method", parent); return true; - } else if (ClassDB::has_signal(real_class_name, name, true)) { + } else if (ClassDB::has_signal(parent, name, true)) { parser->push_warning(p_local, GDScriptWarning::SHADOWED_VARIABLE_BASE_CLASS, p_context, p_local->name, "signal", parent); return true; - } else if (ClassDB::has_property(real_class_name, name, true)) { + } else if (ClassDB::has_property(parent, name, true)) { parser->push_warning(p_local, GDScriptWarning::SHADOWED_VARIABLE_BASE_CLASS, p_context, p_local->name, "property", parent); return true; - } else if (ClassDB::has_integer_constant(real_class_name, name, true)) { + } else if (ClassDB::has_integer_constant(parent, name, true)) { parser->push_warning(p_local, GDScriptWarning::SHADOWED_VARIABLE_BASE_CLASS, p_context, p_local->name, "constant", parent); return true; - } else if (ClassDB::has_enum(real_class_name, name, true)) { + } else if (ClassDB::has_enum(parent, name, true)) { parser->push_warning(p_local, GDScriptWarning::SHADOWED_VARIABLE_BASE_CLASS, p_context, p_local->name, "enum", parent); return true; } - parent = ClassDB::get_parent_class(real_class_name); + parent = ClassDB::get_parent_class(parent); } return false; @@ -3560,16 +3679,12 @@ bool GDScriptAnalyzer::is_type_compatible(const GDScriptParser::DataType &p_targ break; // Already solved before. } - // Get underscore-prefixed version for some classes. - src_native = GDScriptParser::get_real_class_name(src_native); - switch (p_target.kind) { case GDScriptParser::DataType::NATIVE: { if (p_target.is_meta_type) { return ClassDB::is_parent_class(src_native, GDScriptNativeClass::get_class_static()); } - StringName tgt_native = GDScriptParser::get_real_class_name(p_target.native_type); - return ClassDB::is_parent_class(src_native, tgt_native); + return ClassDB::is_parent_class(src_native, p_target.native_type); } case GDScriptParser::DataType::SCRIPT: if (p_target.is_meta_type) { @@ -3618,8 +3733,7 @@ void GDScriptAnalyzer::mark_node_unsafe(const GDScriptParser::Node *p_node) { } bool GDScriptAnalyzer::class_exists(const StringName &p_class) const { - StringName real_name = GDScriptParser::get_real_class_name(p_class); - return ClassDB::class_exists(real_name) && ClassDB::is_class_exposed(real_name); + return ClassDB::class_exists(p_class) && ClassDB::is_class_exposed(p_class); } Ref<GDScriptParserRef> GDScriptAnalyzer::get_parser_for(const String &p_path) { |