diff options
Diffstat (limited to 'modules/gdscript/gdscript_analyzer.cpp')
| -rw-r--r-- | modules/gdscript/gdscript_analyzer.cpp | 899 |
1 files changed, 614 insertions, 285 deletions
diff --git a/modules/gdscript/gdscript_analyzer.cpp b/modules/gdscript/gdscript_analyzer.cpp index 6b23ab1616..6b7403d854 100644 --- a/modules/gdscript/gdscript_analyzer.cpp +++ b/modules/gdscript/gdscript_analyzer.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -30,50 +30,47 @@ #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" #include "core/object/class_db.h" #include "core/object/script_language.h" -#include "core/os/file_access.h" #include "core/templates/hash_map.h" #include "gdscript.h" +#include "gdscript_utility_functions.h" -// TODO: Move this to a central location (maybe core?). -static HashMap<StringName, StringName> underscore_map; -static const char *underscore_classes[] = { - "ClassDB", - "Directory", - "Engine", - "File", - "Geometry", - "GodotSharp", - "JSON", - "Marshalls", - "Mutex", - "OS", - "ResourceLoader", - "ResourceSaver", - "Semaphore", - "Thread", - "VisualScriptEditor", - nullptr, -}; -static StringName get_real_class_name(const StringName &p_source) { - if (underscore_map.empty()) { - const char **class_name = underscore_classes; - while (*class_name != nullptr) { - underscore_map[*class_name] = String("_") + *class_name; - class_name++; - } - } - if (underscore_map.has(p_source)) { - return underscore_map[p_source]; - } - return p_source; -} - -void GDScriptAnalyzer::cleanup() { - underscore_map.clear(); +static MethodInfo info_from_utility_func(const StringName &p_function) { + ERR_FAIL_COND_V(!Variant::has_utility_function(p_function), MethodInfo()); + + MethodInfo info(p_function); + + if (Variant::has_utility_function_return_value(p_function)) { + info.return_val.type = Variant::get_utility_function_return_type(p_function); + if (info.return_val.type == Variant::NIL) { + info.return_val.usage |= PROPERTY_USAGE_NIL_IS_VARIANT; + } + } + + if (Variant::is_utility_function_vararg(p_function)) { + info.flags |= METHOD_FLAG_VARARG; + } else { + for (int i = 0; i < Variant::get_utility_function_argument_count(p_function); i++) { + PropertyInfo pi; +#ifdef DEBUG_METHODS_ENABLED + pi.name = Variant::get_utility_function_argument_name(p_function, i); +#else + pi.name = "arg" + itos(i + 1); +#endif + pi.type = Variant::get_utility_function_argument_type(p_function, i); + if (pi.type == Variant::NIL) { + pi.usage |= PROPERTY_USAGE_NIL_IS_VARIANT; + } + info.arguments.push_back(pi); + } + } + + return info; } static GDScriptParser::DataType make_callable_type(const MethodInfo &p_info) { @@ -116,11 +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 = 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 List<StringName>::Element *E = enum_values.front(); E != nullptr; E = E->next()) { - type.enum_values[E->get()] = ClassDB::get_integer_constant(real_native_name, E->get()); + for (const StringName &E : enum_values) { + type.enum_values[E] = ClassDB::get_integer_constant(p_native_class, E); } return type; @@ -167,7 +163,7 @@ Error GDScriptAnalyzer::resolve_inheritance(GDScriptParser::ClassNode *p_class, if (!p_class->extends_used) { result.type_source = GDScriptParser::DataType::ANNOTATED_INFERRED; result.kind = GDScriptParser::DataType::NATIVE; - result.native_type = "Reference"; + result.native_type = "RefCounted"; } else { result.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT; @@ -175,7 +171,7 @@ Error GDScriptAnalyzer::resolve_inheritance(GDScriptParser::ClassNode *p_class, int extends_index = 0; - if (!p_class->extends_path.empty()) { + if (!p_class->extends_path.is_empty()) { 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); @@ -190,7 +186,7 @@ Error GDScriptAnalyzer::resolve_inheritance(GDScriptParser::ClassNode *p_class, base = parser->get_parser()->head->get_datatype(); } else { - if (p_class->extends.empty()) { + if (p_class->extends.is_empty()) { return ERR_PARSE_ERROR; } const StringName &name = p_class->extends[extends_index++]; @@ -233,7 +229,7 @@ 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_instance(get_real_class_name(name))) { + } else if (class_exists(name) && ClassDB::can_instantiate(name)) { base.kind = GDScriptParser::DataType::NATIVE; base.native_type = name; } else { @@ -342,7 +338,7 @@ GDScriptParser::DataType GDScriptAnalyzer::resolve_datatype(GDScriptParser::Type result.type_source = result.ANNOTATED_EXPLICIT; result.builtin_type = Variant::OBJECT; - if (p_type->type_chain.empty()) { + if (p_type->type_chain.is_empty()) { // void. result.kind = GDScriptParser::DataType::BUILTIN; result.builtin_type = Variant::NIL; @@ -379,6 +375,14 @@ GDScriptParser::DataType GDScriptAnalyzer::resolve_datatype(GDScriptParser::Type } result.kind = GDScriptParser::DataType::BUILTIN; result.builtin_type = GDScriptParser::get_builtin_type(first); + + if (result.builtin_type == Variant::ARRAY) { + GDScriptParser::DataType container_type = resolve_datatype(p_type->container_type); + + if (container_type.kind != GDScriptParser::DataType::VARIANT) { + result.set_container_element_type(container_type); + } + } } else if (class_exists(first)) { // Native engine classes. result.kind = GDScriptParser::DataType::NATIVE; @@ -402,7 +406,7 @@ GDScriptParser::DataType GDScriptAnalyzer::resolve_datatype(GDScriptParser::Type return GDScriptParser::DataType(); } result = ref->get_parser()->head->get_datatype(); - } else if (ClassDB::has_enum(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 { @@ -429,8 +433,28 @@ 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: @@ -465,7 +489,7 @@ GDScriptParser::DataType GDScriptAnalyzer::resolve_datatype(GDScriptParser::Type } } else if (result.kind == GDScriptParser::DataType::NATIVE) { // Only enums allowed for native. - if (ClassDB::has_enum(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 { @@ -479,6 +503,10 @@ GDScriptParser::DataType GDScriptAnalyzer::resolve_datatype(GDScriptParser::Type } } + if (result.builtin_type != Variant::ARRAY && p_type->container_type != nullptr) { + push_error("Only arrays can specify the collection element type.", p_type); + } + p_type->set_datatype(result); return result; } @@ -501,9 +529,23 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas datatype.kind = GDScriptParser::DataType::VARIANT; datatype.type_source = GDScriptParser::DataType::UNDETECTED; + GDScriptParser::DataType specified_type; + if (member.variable->datatype_specifier != nullptr) { + specified_type = resolve_datatype(member.variable->datatype_specifier); + specified_type.is_meta_type = false; + } + if (member.variable->initializer != nullptr) { member.variable->set_datatype(datatype); // Allow recursive usage. reduce_expression(member.variable->initializer); + if ((member.variable->infer_datatype || (member.variable->datatype_specifier != nullptr && specified_type.has_container_element_type())) && member.variable->initializer->type == GDScriptParser::Node::ARRAY) { + // Typed array. + GDScriptParser::ArrayNode *array = static_cast<GDScriptParser::ArrayNode *>(member.variable->initializer); + // Can only infer typed array if it has elements. + if ((member.variable->infer_datatype && array->elements.size() > 0) || member.variable->datatype_specifier != nullptr) { + update_array_literal_element_type(specified_type, array); + } + } datatype = member.variable->initializer->get_datatype(); if (datatype.type_source != GDScriptParser::DataType::UNDETECTED) { datatype.type_source = GDScriptParser::DataType::INFERRED; @@ -511,8 +553,7 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas } if (member.variable->datatype_specifier != nullptr) { - datatype = resolve_datatype(member.variable->datatype_specifier); - datatype.is_meta_type = false; + datatype = specified_type; if (member.variable->initializer != nullptr) { if (!is_type_compatible(datatype, member.variable->initializer->get_datatype(), true)) { @@ -522,6 +563,7 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas } else { // TODO: Add warning. mark_node_unsafe(member.variable->initializer); + member.variable->use_conversion_assign = true; } } else if (datatype.builtin_type == Variant::INT && member.variable->initializer->get_datatype().builtin_type == Variant::FLOAT) { #ifdef DEBUG_ENABLED @@ -531,6 +573,7 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas if (member.variable->initializer->get_datatype().is_variant()) { // TODO: Warn unsafe assign. mark_node_unsafe(member.variable->initializer); + member.variable->use_conversion_assign = true; } } } else if (member.variable->infer_datatype) { @@ -548,37 +591,32 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas datatype.is_constant = false; member.variable->set_datatype(datatype); - if (!datatype.has_no_type()) { - // TODO: Move this out into a routine specific to validate annotations. - if (member.variable->export_info.hint == PROPERTY_HINT_TYPE_STRING) { - // @export annotation. - switch (datatype.kind) { - case GDScriptParser::DataType::BUILTIN: - member.variable->export_info.hint_string = Variant::get_type_name(datatype.builtin_type); - break; - case GDScriptParser::DataType::NATIVE: - if (ClassDB::is_parent_class(get_real_class_name(datatype.native_type), "Resource")) { - member.variable->export_info.hint = PROPERTY_HINT_RESOURCE_TYPE; - member.variable->export_info.hint_string = get_real_class_name(datatype.native_type); - } else { - push_error(R"(Export type can only be built-in or a resource.)", member.variable); - } - break; - default: - // TODO: Allow custom user resources. - push_error(R"(Export type can only be built-in or a resource.)", member.variable); - break; - } - } + + // Apply annotations. + for (GDScriptParser::AnnotationNode *&E : member.variable->annotations) { + E->apply(parser, member.variable); } } break; case GDScriptParser::ClassNode::Member::CONSTANT: { reduce_expression(member.constant->initializer); + GDScriptParser::DataType specified_type; + + if (member.constant->datatype_specifier != nullptr) { + specified_type = resolve_datatype(member.constant->datatype_specifier); + specified_type.is_meta_type = false; + } + GDScriptParser::DataType datatype = member.constant->get_datatype(); if (member.constant->initializer) { if (member.constant->initializer->type == GDScriptParser::Node::ARRAY) { - const_fold_array(static_cast<GDScriptParser::ArrayNode *>(member.constant->initializer)); + GDScriptParser::ArrayNode *array = static_cast<GDScriptParser::ArrayNode *>(member.constant->initializer); + const_fold_array(array); + + // Can only infer typed array if it has elements. + if (array->elements.size() > 0 || (member.constant->datatype_specifier != nullptr && specified_type.has_container_element_type())) { + update_array_literal_element_type(specified_type, array); + } } else if (member.constant->initializer->type == GDScriptParser::Node::DICTIONARY) { const_fold_dictionary(static_cast<GDScriptParser::DictionaryNode *>(member.constant->initializer)); } @@ -588,8 +626,7 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas } if (member.constant->datatype_specifier != nullptr) { - datatype = resolve_datatype(member.constant->datatype_specifier); - datatype.is_meta_type = false; + datatype = specified_type; if (!is_type_compatible(datatype, member.constant->initializer->get_datatype(), true)) { push_error(vformat(R"(Value of type "%s" cannot be initialized to constant of type "%s".)", member.constant->initializer->get_datatype().to_string(), datatype.to_string()), member.constant->initializer); @@ -603,6 +640,11 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas datatype.is_constant = true; member.constant->set_datatype(datatype); + + // Apply annotations. + for (GDScriptParser::AnnotationNode *&E : member.constant->annotations) { + E->apply(parser, member.constant); + } } break; case GDScriptParser::ClassNode::Member::SIGNAL: { for (int j = 0; j < member.signal->parameters.size(); j++) { @@ -617,6 +659,11 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas signal_type.builtin_type = Variant::SIGNAL; member.signal->set_datatype(signal_type); + + // Apply annotations. + for (GDScriptParser::AnnotationNode *&E : member.signal->annotations) { + E->apply(parser, member.signal); + } } break; case GDScriptParser::ClassNode::Member::ENUM: { GDScriptParser::DataType enum_type; @@ -659,6 +706,11 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas current_enum = nullptr; member.m_enum->set_datatype(enum_type); + + // Apply annotations. + for (GDScriptParser::AnnotationNode *&E : member.m_enum->annotations) { + E->apply(parser, member.m_enum); + } } break; case GDScriptParser::ClassNode::Member::FUNCTION: resolve_function_signature(member.function); @@ -727,6 +779,11 @@ void GDScriptAnalyzer::resolve_class_body(GDScriptParser::ClassNode *p_class) { } resolve_function_body(member.function); + + // Apply annotations. + for (GDScriptParser::AnnotationNode *&E : member.function->annotations) { + E->apply(parser, member.function); + } } parser->current_class = previous_class; @@ -821,6 +878,7 @@ void GDScriptAnalyzer::resolve_node(GDScriptParser::Node *p_node) { case GDScriptParser::Node::DICTIONARY: case GDScriptParser::Node::GET_NODE: case GDScriptParser::Node::IDENTIFIER: + case GDScriptParser::Node::LAMBDA: case GDScriptParser::Node::LITERAL: case GDScriptParser::Node::PRELOAD: case GDScriptParser::Node::SELF: @@ -860,7 +918,12 @@ void GDScriptAnalyzer::resolve_function_signature(GDScriptParser::FunctionNode * parser->push_warning(p_function->parameters[i]->identifier, GDScriptWarning::UNUSED_PARAMETER, p_function->identifier->name, p_function->parameters[i]->identifier->name); } is_shadowing(p_function->parameters[i]->identifier, "function parameter"); -#endif +#endif // DEBUG_ENABLED +#ifdef TOOLS_ENABLED + if (p_function->parameters[i]->default_value && p_function->parameters[i]->default_value->is_constant) { + p_function->default_arg_values.push_back(p_function->parameters[i]->default_value->reduced_value); + } +#endif // TOOLS_ENABLED } if (p_function->identifier->name == "_init") { @@ -978,17 +1041,19 @@ void GDScriptAnalyzer::resolve_for(GDScriptParser::ForNode *p_for) { if (!call->arguments[i]->is_constant) { all_is_constant = false; - } else { + } else if (all_is_constant) { args.write[i] = call->arguments[i]->reduced_value; } GDScriptParser::DataType arg_type = call->arguments[i]->get_datatype(); - if (arg_type.kind != GDScriptParser::DataType::BUILTIN) { - all_is_constant = false; - push_error(vformat(R"*(Invalid argument for "range()" call. Argument %d should be int or float but "%s" was given.)*", i + 1, arg_type.to_string()), call->arguments[i]); - } else if (arg_type.builtin_type != Variant::INT && arg_type.builtin_type != Variant::FLOAT) { - all_is_constant = false; - push_error(vformat(R"*(Invalid argument for "range()" call. Argument %d should be int or float but "%s" was given.)*", i + 1, arg_type.to_string()), call->arguments[i]); + if (!arg_type.is_variant()) { + if (arg_type.kind != GDScriptParser::DataType::BUILTIN) { + all_is_constant = false; + push_error(vformat(R"*(Invalid argument for "range()" call. Argument %d should be int or float but "%s" was given.)*", i + 1, arg_type.to_string()), call->arguments[i]); + } else if (arg_type.builtin_type != Variant::INT && arg_type.builtin_type != Variant::FLOAT) { + all_is_constant = false; + push_error(vformat(R"*(Invalid argument for "range()" call. Argument %d should be int or float but "%s" was given.)*", i + 1, arg_type.to_string()), call->arguments[i]); + } } } @@ -1011,11 +1076,15 @@ void GDScriptAnalyzer::resolve_for(GDScriptParser::ForNode *p_for) { } } - GDScriptParser::DataType list_type; - list_type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT; - list_type.kind = GDScriptParser::DataType::BUILTIN; - list_type.builtin_type = Variant::ARRAY; - p_for->list->set_datatype(list_type); + if (p_for->list->is_constant) { + p_for->list->set_datatype(type_from_variant(p_for->list->reduced_value, p_for->list)); + } else { + GDScriptParser::DataType list_type; + list_type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT; + list_type.kind = GDScriptParser::DataType::BUILTIN; + list_type.builtin_type = Variant::ARRAY; + p_for->list->set_datatype(list_type); + } } } } @@ -1047,8 +1116,23 @@ void GDScriptAnalyzer::resolve_variable(GDScriptParser::VariableNode *p_variable GDScriptParser::DataType type; type.kind = GDScriptParser::DataType::VARIANT; // By default. + GDScriptParser::DataType specified_type; + if (p_variable->datatype_specifier != nullptr) { + specified_type = resolve_datatype(p_variable->datatype_specifier); + specified_type.is_meta_type = false; + } + if (p_variable->initializer != nullptr) { reduce_expression(p_variable->initializer); + if ((p_variable->infer_datatype || (p_variable->datatype_specifier != nullptr && specified_type.has_container_element_type())) && p_variable->initializer->type == GDScriptParser::Node::ARRAY) { + // Typed array. + GDScriptParser::ArrayNode *array = static_cast<GDScriptParser::ArrayNode *>(p_variable->initializer); + // Can only infer typed array if it has elements. + if ((p_variable->infer_datatype && array->elements.size() > 0) || p_variable->datatype_specifier != nullptr) { + update_array_literal_element_type(specified_type, array); + } + } + type = p_variable->initializer->get_datatype(); if (p_variable->infer_datatype) { @@ -1072,7 +1156,7 @@ void GDScriptAnalyzer::resolve_variable(GDScriptParser::VariableNode *p_variable } if (p_variable->datatype_specifier != nullptr) { - type = resolve_datatype(p_variable->datatype_specifier); + type = specified_type; type.is_meta_type = false; if (p_variable->initializer != nullptr) { @@ -1083,6 +1167,7 @@ void GDScriptAnalyzer::resolve_variable(GDScriptParser::VariableNode *p_variable } else { // TODO: Add warning. mark_node_unsafe(p_variable->initializer); + p_variable->use_conversion_assign = true; } #ifdef DEBUG_ENABLED } else if (type.builtin_type == Variant::INT && p_variable->initializer->get_datatype().builtin_type == Variant::FLOAT) { @@ -1092,6 +1177,7 @@ void GDScriptAnalyzer::resolve_variable(GDScriptParser::VariableNode *p_variable if (p_variable->initializer->get_datatype().is_variant()) { // TODO: Warn unsafe assign. mark_node_unsafe(p_variable->initializer); + p_variable->use_conversion_assign = true; } } } else if (p_variable->infer_datatype) { @@ -1118,24 +1204,26 @@ void GDScriptAnalyzer::resolve_variable(GDScriptParser::VariableNode *p_variable void GDScriptAnalyzer::resolve_constant(GDScriptParser::ConstantNode *p_constant) { GDScriptParser::DataType type; - reduce_expression(p_constant->initializer); - if (p_constant->initializer->type == GDScriptParser::Node::ARRAY) { - const_fold_array(static_cast<GDScriptParser::ArrayNode *>(p_constant->initializer)); - } else if (p_constant->initializer->type == GDScriptParser::Node::DICTIONARY) { - const_fold_dictionary(static_cast<GDScriptParser::DictionaryNode *>(p_constant->initializer)); - } + if (p_constant->initializer != nullptr) { + reduce_expression(p_constant->initializer); + if (p_constant->initializer->type == GDScriptParser::Node::ARRAY) { + const_fold_array(static_cast<GDScriptParser::ArrayNode *>(p_constant->initializer)); + } else if (p_constant->initializer->type == GDScriptParser::Node::DICTIONARY) { + const_fold_dictionary(static_cast<GDScriptParser::DictionaryNode *>(p_constant->initializer)); + } - if (!p_constant->initializer->is_constant) { - push_error(vformat(R"(Assigned value for constant "%s" isn't a constant expression.)", p_constant->identifier->name), p_constant->initializer); - } + if (!p_constant->initializer->is_constant) { + push_error(vformat(R"(Assigned value for constant "%s" isn't a constant expression.)", p_constant->identifier->name), p_constant->initializer); + } - type = p_constant->initializer->get_datatype(); + type = p_constant->initializer->get_datatype(); #ifdef DEBUG_ENABLED - if (p_constant->initializer->type == GDScriptParser::Node::CALL && type.kind == GDScriptParser::DataType::BUILTIN && type.builtin_type == Variant::NIL) { - parser->push_warning(p_constant->initializer, GDScriptWarning::VOID_ASSIGNMENT, static_cast<GDScriptParser::CallNode *>(p_constant->initializer)->function_name); - } + if (p_constant->initializer->type == GDScriptParser::Node::CALL && type.kind == GDScriptParser::DataType::BUILTIN && type.builtin_type == Variant::NIL) { + parser->push_warning(p_constant->initializer, GDScriptWarning::VOID_ASSIGNMENT, static_cast<GDScriptParser::CallNode *>(p_constant->initializer)->function_name); + } #endif + } if (p_constant->datatype_specifier != nullptr) { GDScriptParser::DataType explicit_type = resolve_datatype(p_constant->datatype_specifier); @@ -1170,7 +1258,10 @@ void GDScriptAnalyzer::resolve_constant(GDScriptParser::ConstantNode *p_constant void GDScriptAnalyzer::resolve_assert(GDScriptParser::AssertNode *p_assert) { reduce_expression(p_assert->condition); if (p_assert->message != nullptr) { - reduce_literal(p_assert->message); + reduce_expression(p_assert->message); + if (!p_assert->message->is_constant || p_assert->message->reduced_value.get_type() != Variant::STRING) { + push_error(R"(Expected constant string for assert error message.)", p_assert->message); + } } p_assert->set_datatype(p_assert->condition->get_datatype()); @@ -1312,6 +1403,12 @@ void GDScriptAnalyzer::resolve_return(GDScriptParser::ReturnNode *p_return) { if (p_return->return_value != nullptr) { reduce_expression(p_return->return_value); + if (p_return->return_value->type == GDScriptParser::Node::ARRAY) { + // Check if assigned value is an array literal, so we can make it a typed array too if appropriate. + if (parser->current_function->get_datatype().has_container_element_type() && p_return->return_value->type == GDScriptParser::Node::ARRAY) { + update_array_literal_element_type(parser->current_function->get_datatype(), static_cast<GDScriptParser::ArrayNode *>(p_return->return_value)); + } + } result = p_return->return_value->get_datatype(); } else { // Return type is null by default. @@ -1386,6 +1483,9 @@ void GDScriptAnalyzer::reduce_expression(GDScriptParser::ExpressionNode *p_expre case GDScriptParser::Node::IDENTIFIER: reduce_identifier(static_cast<GDScriptParser::IdentifierNode *>(p_expression)); break; + case GDScriptParser::Node::LAMBDA: + reduce_lambda(static_cast<GDScriptParser::LambdaNode *>(p_expression)); + break; case GDScriptParser::Node::LITERAL: reduce_literal(static_cast<GDScriptParser::LiteralNode *>(p_expression)); break; @@ -1448,6 +1548,52 @@ void GDScriptAnalyzer::reduce_array(GDScriptParser::ArrayNode *p_array) { p_array->set_datatype(arr_type); } +// When an array literal is stored (or passed as function argument) to a typed context, we then assume the array is typed. +// This function determines which type is that (if any). +void GDScriptAnalyzer::update_array_literal_element_type(const GDScriptParser::DataType &p_base_type, GDScriptParser::ArrayNode *p_array_literal) { + GDScriptParser::DataType array_type = p_array_literal->get_datatype(); + if (p_array_literal->elements.size() == 0) { + // Empty array literal, just make the same type as the storage. + array_type.set_container_element_type(p_base_type.get_container_element_type()); + } else { + // Check if elements match. + bool all_same_type = true; + bool all_have_type = true; + + GDScriptParser::DataType element_type; + for (int i = 0; i < p_array_literal->elements.size(); i++) { + if (i == 0) { + element_type = p_array_literal->elements[0]->get_datatype(); + } else { + GDScriptParser::DataType this_element_type = p_array_literal->elements[i]->get_datatype(); + if (this_element_type.has_no_type()) { + all_same_type = false; + all_have_type = false; + break; + } else if (element_type != this_element_type) { + if (!is_type_compatible(element_type, this_element_type, false)) { + if (is_type_compatible(this_element_type, element_type, false)) { + // This element is a super-type to the previous type, so we use the super-type. + element_type = this_element_type; + } else { + // It's incompatible. + all_same_type = false; + break; + } + } + } + } + } + if (all_same_type) { + array_type.set_container_element_type(element_type); + } else if (all_have_type) { + push_error(vformat(R"(Variant array is not compatible with an array of type "%s".)", p_base_type.get_container_element_type().to_string()), p_array_literal); + } + } + // Update the type on the value itself. + p_array_literal->set_datatype(array_type); +} + void GDScriptAnalyzer::reduce_assignment(GDScriptParser::AssignmentNode *p_assignment) { reduce_expression(p_assignment->assignee); reduce_expression(p_assignment->assigned_value); @@ -1456,40 +1602,54 @@ void GDScriptAnalyzer::reduce_assignment(GDScriptParser::AssignmentNode *p_assig return; } - if (p_assignment->assignee->get_datatype().is_constant) { + GDScriptParser::DataType assignee_type = p_assignment->assignee->get_datatype(); + + // Check if assigned value is an array literal, so we can make it a typed array too if appropriate. + if (assignee_type.has_container_element_type() && p_assignment->assigned_value->type == GDScriptParser::Node::ARRAY) { + update_array_literal_element_type(assignee_type, static_cast<GDScriptParser::ArrayNode *>(p_assignment->assigned_value)); + } + + GDScriptParser::DataType assigned_value_type = p_assignment->assigned_value->get_datatype(); + + if (assignee_type.is_constant) { push_error("Cannot assign a new value to a constant.", p_assignment->assignee); } - if (!p_assignment->assignee->get_datatype().is_variant() && !p_assignment->assigned_value->get_datatype().is_variant()) { + if (!assignee_type.is_variant() && !assigned_value_type.is_variant()) { bool compatible = true; - GDScriptParser::DataType op_type = p_assignment->assigned_value->get_datatype(); + GDScriptParser::DataType op_type = assigned_value_type; if (p_assignment->operation != GDScriptParser::AssignmentNode::OP_NONE) { - op_type = get_operation_type(p_assignment->variant_op, p_assignment->assignee->get_datatype(), p_assignment->assigned_value->get_datatype(), compatible, p_assignment->assigned_value); + op_type = get_operation_type(p_assignment->variant_op, assignee_type, assigned_value_type, compatible, p_assignment->assigned_value); } if (compatible) { - compatible = is_type_compatible(p_assignment->assignee->get_datatype(), op_type, true); + compatible = is_type_compatible(assignee_type, op_type, true); if (!compatible) { - if (p_assignment->assignee->get_datatype().is_hard_type()) { + if (assignee_type.is_hard_type()) { // Try reverse test since it can be a masked subtype. - if (!is_type_compatible(op_type, p_assignment->assignee->get_datatype(), true)) { - push_error(vformat(R"(Cannot assign a value of type "%s" to a target of type "%s".)", p_assignment->assigned_value->get_datatype().to_string(), p_assignment->assignee->get_datatype().to_string()), p_assignment->assigned_value); + if (!is_type_compatible(op_type, assignee_type, true)) { + push_error(vformat(R"(Cannot assign a value of type "%s" to a target of type "%s".)", assigned_value_type.to_string(), assignee_type.to_string()), p_assignment->assigned_value); } else { // TODO: Add warning. mark_node_unsafe(p_assignment); + p_assignment->use_conversion_assign = true; } } else { // TODO: Warning in this case. mark_node_unsafe(p_assignment); + p_assignment->use_conversion_assign = true; } } } else { - push_error(vformat(R"(Invalid operands "%s" and "%s" for assignment operator.)", p_assignment->assignee->get_datatype().to_string(), p_assignment->assigned_value->get_datatype().to_string()), p_assignment); + push_error(vformat(R"(Invalid operands "%s" and "%s" for assignment operator.)", assignee_type.to_string(), assigned_value_type.to_string()), p_assignment); } } - if (p_assignment->assignee->get_datatype().has_no_type() || p_assignment->assigned_value->get_datatype().is_variant()) { + if (assignee_type.has_no_type() || assigned_value_type.is_variant()) { mark_node_unsafe(p_assignment); + if (assignee_type.is_hard_type()) { + p_assignment->use_conversion_assign = true; + } } if (p_assignment->assignee->type == GDScriptParser::Node::IDENTIFIER) { @@ -1508,7 +1668,7 @@ void GDScriptAnalyzer::reduce_assignment(GDScriptParser::AssignmentNode *p_assig case GDScriptParser::IdentifierNode::LOCAL_VARIABLE: { GDScriptParser::DataType id_type = identifier->variable_source->get_datatype(); if (!id_type.is_hard_type()) { - id_type = p_assignment->assigned_value->get_datatype(); + id_type = assigned_value_type; id_type.type_source = GDScriptParser::DataType::INFERRED; id_type.is_constant = false; identifier->variable_source->set_datatype(id_type); @@ -1517,7 +1677,7 @@ void GDScriptAnalyzer::reduce_assignment(GDScriptParser::AssignmentNode *p_assig case GDScriptParser::IdentifierNode::LOCAL_ITERATOR: { GDScriptParser::DataType id_type = identifier->bind_source->get_datatype(); if (!id_type.is_hard_type()) { - id_type = p_assignment->assigned_value->get_datatype(); + id_type = assigned_value_type; id_type.type_source = GDScriptParser::DataType::INFERRED; id_type.is_constant = false; identifier->variable_source->set_datatype(id_type); @@ -1529,12 +1689,10 @@ void GDScriptAnalyzer::reduce_assignment(GDScriptParser::AssignmentNode *p_assig } } - GDScriptParser::DataType assignee_type = p_assignment->assignee->get_datatype(); - GDScriptParser::DataType assigned_type = p_assignment->assigned_value->get_datatype(); #ifdef DEBUG_ENABLED - if (p_assignment->assigned_value->type == GDScriptParser::Node::CALL && assigned_type.kind == GDScriptParser::DataType::BUILTIN && assigned_type.builtin_type == Variant::NIL) { + if (p_assignment->assigned_value->type == GDScriptParser::Node::CALL && assigned_value_type.kind == GDScriptParser::DataType::BUILTIN && assigned_value_type.builtin_type == Variant::NIL) { parser->push_warning(p_assignment->assigned_value, GDScriptWarning::VOID_ASSIGNMENT, static_cast<GDScriptParser::CallNode *>(p_assignment->assigned_value)->function_name); - } else if (assignee_type.is_hard_type() && assignee_type.builtin_type == Variant::INT && assigned_type.builtin_type == Variant::FLOAT) { + } else if (assignee_type.is_hard_type() && assignee_type.builtin_type == Variant::INT && assigned_value_type.builtin_type == Variant::FLOAT) { parser->push_warning(p_assignment->assigned_value, GDScriptWarning::NARROWING_CONVERSION); } #endif @@ -1605,7 +1763,7 @@ void GDScriptAnalyzer::reduce_binary_op(GDScriptParser::BinaryOpNode *p_binary_o if (p_binary_op->reduced_value.get_type() == Variant::STRING) { push_error(vformat(R"(%s in operator %s.)", p_binary_op->reduced_value, Variant::get_operator_name(p_binary_op->variant_op)), p_binary_op); } else { - push_error(vformat(R"(Invalid operands to operator %s, %s and %s.".)", + push_error(vformat(R"(Invalid operands to operator %s, %s and %s.)", Variant::get_operator_name(p_binary_op->variant_op), Variant::get_type_name(p_binary_op->left_operand->reduced_value.get_type()), Variant::get_type_name(p_binary_op->right_operand->reduced_value.get_type())), @@ -1641,10 +1799,10 @@ void GDScriptAnalyzer::reduce_binary_op(GDScriptParser::BinaryOpNode *p_binary_o } else { if (p_binary_op->variant_op < Variant::OP_MAX) { bool valid = false; - result = get_operation_type(p_binary_op->variant_op, p_binary_op->left_operand->get_datatype(), right_type, valid, p_binary_op); + result = get_operation_type(p_binary_op->variant_op, left_type, right_type, valid, p_binary_op); if (!valid) { - push_error(vformat(R"(Invalid operands "%s" and "%s" for "%s" operator.)", p_binary_op->left_operand->get_datatype().to_string(), right_type.to_string(), Variant::get_operator_name(p_binary_op->variant_op)), p_binary_op); + push_error(vformat(R"(Invalid operands "%s" and "%s" for "%s" operator.)", left_type.to_string(), right_type.to_string(), Variant::get_operator_name(p_binary_op->variant_op)), p_binary_op); } } else { if (p_binary_op->operation == GDScriptParser::BinaryOpNode::OP_TYPE_TEST) { @@ -1678,8 +1836,12 @@ void GDScriptAnalyzer::reduce_binary_op(GDScriptParser::BinaryOpNode *p_binary_o void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool is_await) { bool all_is_constant = true; + Map<int, GDScriptParser::ArrayNode *> arrays; // For array literal to potentially type when passing. for (int i = 0; i < p_call->arguments.size(); i++) { reduce_expression(p_call->arguments[i]); + if (p_call->arguments[i]->type == GDScriptParser::Node::ARRAY) { + arrays[i] = static_cast<GDScriptParser::ArrayNode *>(p_call->arguments[i]); + } all_is_constant = all_is_constant && p_call->arguments[i]->is_constant; } @@ -1690,7 +1852,6 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool is_awa // Call to name directly. StringName function_name = p_call->function_name; Variant::Type builtin_type = GDScriptParser::get_builtin_type(function_name); - GDScriptFunctions::Function builtin_function = GDScriptParser::get_builtin_function(function_name); if (builtin_type < Variant::VARIANT_MAX) { // Is a builtin constructor. @@ -1703,7 +1864,29 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool is_awa call_type.native_type = function_name; // "Object". } - if (all_is_constant) { + bool safe_to_fold = true; + switch (builtin_type) { + // Those are stored by reference so not suited for compile-time construction. + // Because in this case they would be the same reference in all constructed values. + case Variant::OBJECT: + case Variant::DICTIONARY: + case Variant::ARRAY: + case Variant::PACKED_BYTE_ARRAY: + case Variant::PACKED_INT32_ARRAY: + case Variant::PACKED_INT64_ARRAY: + case Variant::PACKED_FLOAT32_ARRAY: + case Variant::PACKED_FLOAT64_ARRAY: + case Variant::PACKED_STRING_ARRAY: + case Variant::PACKED_VECTOR2_ARRAY: + case Variant::PACKED_VECTOR3_ARRAY: + case Variant::PACKED_COLOR_ARRAY: + safe_to_fold = false; + break; + default: + break; + } + + if (all_is_constant && safe_to_fold) { // Construct here. Vector<const Variant *> args; for (int i = 0; i < p_call->arguments.size(); i++) { @@ -1764,9 +1947,7 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool is_awa Variant::get_constructor_list(builtin_type, &constructors); bool match = false; - for (const List<MethodInfo>::Element *E = constructors.front(); E != nullptr; E = E->next()) { - const MethodInfo &info = E->get(); - + for (const MethodInfo &info : constructors) { if (p_call->arguments.size() < info.arguments.size() - info.default_arguments.size()) { continue; } @@ -1812,10 +1993,52 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool is_awa } p_call->set_datatype(call_type); return; - } else if (builtin_function < GDScriptFunctions::FUNC_MAX) { - MethodInfo function_info = GDScriptFunctions::get_info(builtin_function); + } else if (GDScriptUtilityFunctions::function_exists(function_name)) { + MethodInfo function_info = GDScriptUtilityFunctions::get_function_info(function_name); + + if (all_is_constant && GDScriptUtilityFunctions::is_function_constant(function_name)) { + // Can call on compilation. + Vector<const Variant *> args; + for (int i = 0; i < p_call->arguments.size(); i++) { + args.push_back(&(p_call->arguments[i]->reduced_value)); + } + + Variant value; + Callable::CallError err; + GDScriptUtilityFunctions::get_function(function_name)(&value, (const Variant **)args.ptr(), args.size(), err); + + switch (err.error) { + case Callable::CallError::CALL_ERROR_INVALID_ARGUMENT: { + PropertyInfo wrong_arg = function_info.arguments[err.argument]; + push_error(vformat(R"*(Invalid argument for "%s()" function: argument %d should be %s but is %s.)*", function_name, err.argument + 1, + type_from_property(wrong_arg).to_string(), p_call->arguments[err.argument]->get_datatype().to_string()), + p_call->arguments[err.argument]); + } break; + case Callable::CallError::CALL_ERROR_INVALID_METHOD: + push_error(vformat(R"(Invalid call for function "%s".)", function_name), p_call); + break; + case Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS: + push_error(vformat(R"*(Too many arguments for "%s()" call. Expected at most %d but received %d.)*", function_name, err.expected, p_call->arguments.size()), p_call); + break; + case Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS: + push_error(vformat(R"*(Too few arguments for "%s()" call. Expected at least %d but received %d.)*", function_name, err.expected, p_call->arguments.size()), p_call); + break; + case Callable::CallError::CALL_ERROR_INSTANCE_IS_NULL: + break; // Can't happen in a builtin constructor. + case Callable::CallError::CALL_OK: + p_call->is_constant = true; + p_call->reduced_value = value; + break; + } + } else { + validate_call_arg(function_info, p_call); + } + p_call->set_datatype(type_from_property(function_info.return_val)); + return; + } else if (Variant::has_utility_function(function_name)) { + MethodInfo function_info = info_from_utility_func(function_name); - if (all_is_constant && GDScriptFunctions::is_deterministic(builtin_function)) { + if (all_is_constant && Variant::get_utility_function_type(function_name) == Variant::UTILITY_FUNC_TYPE_MATH) { // Can call on compilation. Vector<const Variant *> args; for (int i = 0; i < p_call->arguments.size(); i++) { @@ -1824,23 +2047,23 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool is_awa Variant value; Callable::CallError err; - GDScriptFunctions::call(builtin_function, (const Variant **)args.ptr(), args.size(), value, err); + Variant::call_utility_function(function_name, &value, (const Variant **)args.ptr(), args.size(), err); switch (err.error) { case Callable::CallError::CALL_ERROR_INVALID_ARGUMENT: { PropertyInfo wrong_arg = function_info.arguments[err.argument]; - push_error(vformat(R"*(Invalid argument for "%s()" function: argument %d should be %s but is %s.)*", GDScriptFunctions::get_func_name(builtin_function), err.argument + 1, + push_error(vformat(R"*(Invalid argument for "%s()" function: argument %d should be %s but is %s.)*", function_name, err.argument + 1, type_from_property(wrong_arg).to_string(), p_call->arguments[err.argument]->get_datatype().to_string()), p_call->arguments[err.argument]); } break; case Callable::CallError::CALL_ERROR_INVALID_METHOD: - push_error(vformat(R"(Invalid call for function "%s".)", GDScriptFunctions::get_func_name(builtin_function)), p_call); + push_error(vformat(R"(Invalid call for function "%s".)", function_name), p_call); break; case Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS: - push_error(vformat(R"*(Too many arguments for "%s()" call. Expected at most %d but received %d.)*", GDScriptFunctions::get_func_name(builtin_function), err.expected, p_call->arguments.size()), p_call); + push_error(vformat(R"*(Too many arguments for "%s()" call. Expected at most %d but received %d.)*", function_name, err.expected, p_call->arguments.size()), p_call); break; case Callable::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS: - push_error(vformat(R"*(Too few arguments for "%s()" call. Expected at least %d but received %d.)*", GDScriptFunctions::get_func_name(builtin_function), err.expected, p_call->arguments.size()), p_call); + push_error(vformat(R"*(Too few arguments for "%s()" call. Expected at least %d but received %d.)*", function_name, err.expected, p_call->arguments.size()), p_call); break; case Callable::CallError::CALL_ERROR_INSTANCE_IS_NULL: break; // Can't happen in a builtin constructor. @@ -1863,12 +2086,20 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool is_awa if (p_call->is_super) { base_type = parser->current_class->base_type; + base_type.is_meta_type = false; is_self = true; } else if (callee_type == GDScriptParser::Node::IDENTIFIER) { base_type = parser->current_class->get_datatype(); + base_type.is_meta_type = false; is_self = true; } else if (callee_type == GDScriptParser::Node::SUBSCRIPT) { GDScriptParser::SubscriptNode *subscript = static_cast<GDScriptParser::SubscriptNode *>(p_call->callee); + if (subscript->base == nullptr) { + // Invalid syntax, error already set on parser. + p_call->set_datatype(call_type); + mark_node_unsafe(p_call); + return; + } if (!subscript->is_attribute) { // Invalid call. Error already sent in parser. // TODO: Could check if Callable here. @@ -1876,9 +2107,23 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool is_awa mark_node_unsafe(p_call); return; } - reduce_expression(subscript->base); + if (subscript->attribute == nullptr) { + // Invalid call. Error already sent in parser. + p_call->set_datatype(call_type); + mark_node_unsafe(p_call); + return; + } - base_type = subscript->base->get_datatype(); + GDScriptParser::IdentifierNode *base_id = nullptr; + if (subscript->base->type == GDScriptParser::Node::IDENTIFIER) { + base_id = static_cast<GDScriptParser::IdentifierNode *>(subscript->base); + } + if (base_id && GDScriptParser::get_builtin_type(base_id->name) < Variant::VARIANT_MAX) { + base_type = make_builtin_meta_type(GDScriptParser::get_builtin_type(base_id->name)); + } else { + reduce_expression(subscript->base); + base_type = subscript->base->get_datatype(); + } } else { // Invalid call. Error already sent in parser. // TODO: Could check if Callable here too. @@ -1894,10 +2139,22 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool is_awa List<GDScriptParser::DataType> par_types; if (get_function_signature(p_call, base_type, p_call->function_name, return_type, par_types, default_arg_count, is_static, is_vararg)) { + // If the function require typed arrays we must make literals be typed. + for (Map<int, GDScriptParser::ArrayNode *>::Element *E = arrays.front(); E; E = E->next()) { + int index = E->key(); + if (index < par_types.size() && par_types[index].has_container_element_type()) { + update_array_literal_element_type(par_types[index], E->get()); + } + } validate_call_arg(par_types, default_arg_count, is_vararg, p_call); 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); } call_type = return_type; @@ -1923,14 +2180,14 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool is_awa push_error(vformat(R"*(Name "%s" called as a function but is a "%s".)*", p_call->function_name, callee_datatype.to_string()), p_call->callee); } #ifdef DEBUG_ENABLED - } else if (!is_self) { + } else if (!is_self && !(base_type.is_hard_type() && base_type.kind == GDScriptParser::DataType::BUILTIN)) { parser->push_warning(p_call, GDScriptWarning::UNSAFE_METHOD_ACCESS, p_call->function_name, base_type.to_string()); mark_node_unsafe(p_call); #endif } } } - if (!found && is_self) { + if (!found && (is_self || (base_type.is_hard_type() && base_type.kind == GDScriptParser::DataType::BUILTIN))) { String base_name = is_self && !p_call->is_super ? "self" : base_type.to_string(); push_error(vformat(R"*(Function "%s()" not found in base %s.)*", p_call->function_name, base_name), p_call->is_super ? p_call : p_call->callee); } @@ -2018,16 +2275,26 @@ void GDScriptAnalyzer::reduce_get_node(GDScriptParser::GetNodeNode *p_get_node) result.native_type = "Node"; result.builtin_type = Variant::OBJECT; - if (!ClassDB::is_parent_class(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); } p_get_node->set_datatype(result); } -GDScriptParser::DataType GDScriptAnalyzer::make_global_class_meta_type(const StringName &p_class_name) { +GDScriptParser::DataType GDScriptAnalyzer::make_global_class_meta_type(const StringName &p_class_name, const GDScriptParser::Node *p_source) { Ref<GDScriptParserRef> ref = get_parser_for(ScriptServer::get_global_class_path(p_class_name)); - ref->raise_status(GDScriptParserRef::INTERFACE_SOLVED); + Error err = ref->raise_status(GDScriptParserRef::INTERFACE_SOLVED); + + if (err) { + push_error(vformat(R"(Could not resolve class "%s", because of a parser error.)", p_class_name), p_source); + GDScriptParser::DataType type; + type.type_source = GDScriptParser::DataType::UNDETECTED; + type.kind = GDScriptParser::DataType::VARIANT; + return type; + } GDScriptParser::DataType type; type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT; @@ -2080,8 +2347,7 @@ void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNod Variant::construct(base.builtin_type, dummy, nullptr, 0, temp); List<PropertyInfo> properties; dummy.get_property_list(&properties); - for (const List<PropertyInfo>::Element *E = properties.front(); E != nullptr; E = E->next()) { - const PropertyInfo &prop = E->get(); + for (const PropertyInfo &prop : properties) { if (prop.name == name) { p_identifier->set_datatype(type_from_property(prop)); return; @@ -2103,6 +2369,7 @@ void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNod GDScriptParser::DataType result; result.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT; result.kind = GDScriptParser::DataType::ENUM_VALUE; + result.builtin_type = base.builtin_type; result.native_type = base.native_type; result.enum_type = name; p_identifier->set_datatype(result); @@ -2139,6 +2406,7 @@ void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNod case GDScriptParser::ClassNode::Member::ENUM_VALUE: p_identifier->is_constant = true; p_identifier->reduced_value = member.enum_value.value; + p_identifier->source = GDScriptParser::IdentifierNode::MEMBER_CONSTANT; break; case GDScriptParser::ClassNode::Member::VARIABLE: p_identifier->source = GDScriptParser::IdentifierNode::MEMBER_VARIABLE; @@ -2148,6 +2416,11 @@ void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNod 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. } @@ -2176,7 +2449,7 @@ void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNod } // Check native members. - const StringName &native = get_real_class_name(base.native_type); + const StringName &native = base.native_type; if (class_exists(native)) { PropertyInfo prop_info; @@ -2239,42 +2512,65 @@ void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_ident } } + bool found_source = false; // Check if identifier is local. // If that's the case, the declaration already was solved before. switch (p_identifier->source) { case GDScriptParser::IdentifierNode::FUNCTION_PARAMETER: p_identifier->set_datatype(p_identifier->parameter_source->get_datatype()); - return; + found_source = true; + break; case GDScriptParser::IdentifierNode::LOCAL_CONSTANT: case GDScriptParser::IdentifierNode::MEMBER_CONSTANT: p_identifier->set_datatype(p_identifier->constant_source->get_datatype()); p_identifier->is_constant = true; // TODO: Constant should have a value on the node itself. p_identifier->reduced_value = p_identifier->constant_source->initializer->reduced_value; - return; + found_source = true; + break; case GDScriptParser::IdentifierNode::MEMBER_VARIABLE: p_identifier->variable_source->usages++; [[fallthrough]]; case GDScriptParser::IdentifierNode::LOCAL_VARIABLE: p_identifier->set_datatype(p_identifier->variable_source->get_datatype()); - return; + found_source = true; + break; case GDScriptParser::IdentifierNode::LOCAL_ITERATOR: p_identifier->set_datatype(p_identifier->bind_source->get_datatype()); - return; + found_source = true; + break; case GDScriptParser::IdentifierNode::LOCAL_BIND: { GDScriptParser::DataType result = p_identifier->bind_source->get_datatype(); result.is_constant = true; p_identifier->set_datatype(result); - return; - } + found_source = true; + } break; case GDScriptParser::IdentifierNode::UNDEFINED_SOURCE: break; } // Not a local, so check members. - reduce_identifier_from_base(p_identifier); - if (p_identifier->get_datatype().is_set()) { - // Found. + if (!found_source) { + reduce_identifier_from_base(p_identifier); + if (p_identifier->source != GDScriptParser::IdentifierNode::UNDEFINED_SOURCE || p_identifier->get_datatype().is_set()) { + // Found. + found_source = true; + } + } + + if (found_source) { + // If the identifier is local, check if it's any kind of capture by comparing their source function. + // Only capture locals and members and enum values. Constants are still accessible from the lambda using the script reference. + if (p_identifier->source == GDScriptParser::IdentifierNode::UNDEFINED_SOURCE || p_identifier->source == GDScriptParser::IdentifierNode::MEMBER_CONSTANT || lambda_stack.is_empty()) { + return; + } + + GDScriptParser::FunctionNode *function_test = lambda_stack.back()->get()->function; + while (function_test != nullptr && function_test != p_identifier->source_function && function_test->source_lambda != nullptr && !function_test->source_lambda->captures_indices.has(p_identifier->name)) { + function_test->source_lambda->captures_indices[p_identifier->name] = function_test->source_lambda->captures.size(); + function_test->source_lambda->captures.push_back(p_identifier); + function_test = function_test->source_lambda->parent_function; + } return; } @@ -2299,7 +2595,7 @@ void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_ident } if (ScriptServer::is_global_class(name)) { - p_identifier->set_datatype(make_global_class_meta_type(name)); + p_identifier->set_datatype(make_global_class_meta_type(name, p_identifier)); return; } @@ -2346,7 +2642,7 @@ void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_ident // Not found. // Check if it's a builtin function. - if (parser->get_builtin_function(name) < GDScriptFunctions::FUNC_MAX) { + if (GDScriptUtilityFunctions::function_exists(name)) { push_error(vformat(R"(Built-in function "%s" cannot be used as an identifier.)", name), p_identifier); } else { push_error(vformat(R"(Identifier "%s" not declared in the current scope.)", name), p_identifier); @@ -2356,6 +2652,57 @@ void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_ident p_identifier->set_datatype(dummy); // Just so type is set to something. } +void GDScriptAnalyzer::reduce_lambda(GDScriptParser::LambdaNode *p_lambda) { + // Lambda is always a Callable. + GDScriptParser::DataType lambda_type; + lambda_type.type_source = GDScriptParser::DataType::ANNOTATED_INFERRED; + lambda_type.kind = GDScriptParser::DataType::BUILTIN; + lambda_type.builtin_type = Variant::CALLABLE; + p_lambda->set_datatype(lambda_type); + + if (p_lambda->function == nullptr) { + return; + } + + GDScriptParser::FunctionNode *previous_function = parser->current_function; + parser->current_function = p_lambda->function; + + lambda_stack.push_back(p_lambda); + + for (int i = 0; i < p_lambda->function->parameters.size(); i++) { + resolve_parameter(p_lambda->function->parameters[i]); + } + + resolve_suite(p_lambda->function->body); + + int captures_amount = p_lambda->captures.size(); + if (captures_amount > 0) { + // Create space for lambda parameters. + // At the beginning to not mess with optional parameters. + int param_count = p_lambda->function->parameters.size(); + p_lambda->function->parameters.resize(param_count + captures_amount); + for (int i = param_count - 1; i >= 0; i--) { + p_lambda->function->parameters.write[i + captures_amount] = p_lambda->function->parameters[i]; + p_lambda->function->parameters_indices[p_lambda->function->parameters[i]->identifier->name] = i + captures_amount; + } + + // Add captures as extra parameters at the beginning. + for (int i = 0; i < p_lambda->captures.size(); i++) { + GDScriptParser::IdentifierNode *capture = p_lambda->captures[i]; + GDScriptParser::ParameterNode *capture_param = parser->alloc_node<GDScriptParser::ParameterNode>(); + capture_param->identifier = capture; + capture_param->usages = capture->usages; + capture_param->set_datatype(capture->get_datatype()); + + p_lambda->function->parameters.write[i] = capture_param; + p_lambda->function->parameters_indices[capture->name] = i; + } + } + + lambda_stack.pop_back(); + parser->current_function = previous_function; +} + void GDScriptAnalyzer::reduce_literal(GDScriptParser::LiteralNode *p_literal) { p_literal->reduced_value = p_literal->value; p_literal->is_constant = true; @@ -2414,25 +2761,6 @@ void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscri GDScriptParser::DataType result_type; - // Reduce index first. If it's a constant StringName, use attribute instead. - if (!p_subscript->is_attribute) { - if (p_subscript->index == nullptr) { - return; - } - reduce_expression(p_subscript->index); - - if (p_subscript->index->is_constant && p_subscript->index->reduced_value.get_type() == Variant::STRING_NAME) { - GDScriptParser::IdentifierNode *attribute = parser->alloc_node<GDScriptParser::IdentifierNode>(); - // Copy location for better error message. - attribute->start_line = p_subscript->index->start_line; - attribute->end_line = p_subscript->index->end_line; - attribute->leftmost_column = p_subscript->index->leftmost_column; - attribute->rightmost_column = p_subscript->index->rightmost_column; - p_subscript->is_attribute = true; - p_subscript->attribute = attribute; - } - } - if (p_subscript->is_attribute) { if (p_subscript->attribute == nullptr) { return; @@ -2475,7 +2803,10 @@ void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscri } } } else { - // Index was already reduced before. + if (p_subscript->index == nullptr) { + return; + } + reduce_expression(p_subscript->index); if (p_subscript->base->is_constant && p_subscript->index->is_constant) { // Just try to get it. @@ -2520,7 +2851,7 @@ void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscri case Variant::RECT2: case Variant::RECT2I: case Variant::PLANE: - case Variant::QUAT: + case Variant::QUATERNION: case Variant::AABB: case Variant::OBJECT: error = index_type.builtin_type != Variant::STRING; @@ -2531,8 +2862,8 @@ void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscri case Variant::VECTOR2I: case Variant::VECTOR3: case Variant::VECTOR3I: - case Variant::TRANSFORM: case Variant::TRANSFORM2D: + case Variant::TRANSFORM3D: error = index_type.builtin_type != Variant::INT && index_type.builtin_type != Variant::FLOAT && index_type.builtin_type != Variant::STRING; break; @@ -2599,7 +2930,7 @@ void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscri case Variant::PACKED_FLOAT64_ARRAY: case Variant::VECTOR2: case Variant::VECTOR3: - case Variant::QUAT: + case Variant::QUATERNION: result_type.builtin_type = Variant::FLOAT; break; // Return Color. @@ -2628,14 +2959,23 @@ void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscri result_type.builtin_type = Variant::VECTOR3; break; // Depends on the index. - case Variant::TRANSFORM: + case Variant::TRANSFORM3D: case Variant::PLANE: case Variant::COLOR: - case Variant::ARRAY: case Variant::DICTIONARY: result_type.kind = GDScriptParser::DataType::VARIANT; result_type.type_source = GDScriptParser::DataType::UNDETECTED; break; + // Can have an element type. + case Variant::ARRAY: + if (base_type.has_container_element_type()) { + result_type = base_type.get_container_element_type(); + result_type.type_source = base_type.type_source; + } else { + result_type.kind = GDScriptParser::DataType::VARIANT; + result_type.type_source = GDScriptParser::DataType::UNDETECTED; + } + break; // Here for completeness. case Variant::OBJECT: case Variant::VARIANT_MAX: @@ -2716,7 +3056,7 @@ void GDScriptAnalyzer::reduce_unary_op(GDScriptParser::UnaryOpNode *p_unary_op) mark_node_unsafe(p_unary_op); } else { bool valid = false; - result = get_operation_type(p_unary_op->variant_op, p_unary_op->operand->get_datatype(), p_unary_op->operand->get_datatype(), valid, p_unary_op); + result = get_operation_type(p_unary_op->variant_op, p_unary_op->operand->get_datatype(), valid, p_unary_op); if (!valid) { push_error(vformat(R"(Invalid operand of type "%s" for unary operator "%s".)", p_unary_op->operand->get_datatype().to_string(), Variant::get_operator_name(p_unary_op->variant_op)), p_unary_op->operand); @@ -2810,8 +3150,8 @@ GDScriptParser::DataType GDScriptAnalyzer::type_from_variant(const Variant &p_va GDScriptParser::ClassNode *found = ref->get_parser()->head; // It should be okay to assume this exists, since we have a complete script already. - for (const List<StringName>::Element *E = class_chain.front(); E; E = E->next()) { - found = found->get_member(E->get()).m_class; + for (const StringName &E : class_chain) { + found = found->get_member(E).m_class; } result.class_type = found; @@ -2858,11 +3198,39 @@ GDScriptParser::DataType GDScriptAnalyzer::type_from_property(const PropertyInfo result.native_type = p_property.class_name == StringName() ? "Object" : p_property.class_name; } else { result.kind = GDScriptParser::DataType::BUILTIN; + result.builtin_type = p_property.type; + if (p_property.type == Variant::ARRAY && p_property.hint == PROPERTY_HINT_ARRAY_TYPE) { + // Check element type. + StringName elem_type_name = p_property.hint_string; + GDScriptParser::DataType elem_type; + elem_type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT; + + Variant::Type elem_builtin_type = GDScriptParser::get_builtin_type(elem_type_name); + if (elem_builtin_type < Variant::VARIANT_MAX) { + // Builtin type. + elem_type.kind = GDScriptParser::DataType::BUILTIN; + elem_type.builtin_type = elem_builtin_type; + } else if (class_exists(elem_type_name)) { + elem_type.kind = GDScriptParser::DataType::NATIVE; + elem_type.builtin_type = Variant::OBJECT; + elem_type.native_type = p_property.hint_string; + } else if (ScriptServer::is_global_class(elem_type_name)) { + // Just load this as it shouldn't be a GDScript. + Ref<Script> script = ResourceLoader::load(ScriptServer::get_global_class_path(elem_type_name)); + elem_type.kind = GDScriptParser::DataType::SCRIPT; + elem_type.builtin_type = Variant::OBJECT; + elem_type.native_type = script->get_instance_base_type(); + elem_type.script_type = script; + } else { + ERR_FAIL_V_MSG(result, "Could not find element type from property hint of a typed array."); + } + result.set_container_element_type(elem_type); + } } 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; @@ -2879,16 +3247,18 @@ bool GDScriptAnalyzer::get_function_signature(GDScriptParser::Node *p_source, GD List<MethodInfo> methods; dummy.get_method_list(&methods); - for (const List<MethodInfo>::Element *E = methods.front(); E != nullptr; E = E->next()) { - if (E->get().name == p_function) { - return function_signature_from_info(E->get(), r_return_type, r_par_types, r_default_arg_count, r_static, r_vararg); + for (const MethodInfo &E : methods) { + if (E.name == p_function) { + 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; @@ -2918,6 +3288,7 @@ 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; @@ -2963,11 +3334,13 @@ bool GDScriptAnalyzer::get_function_signature(GDScriptParser::Node *p_source, GD return true; } - StringName real_native = 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; @@ -2978,8 +3351,8 @@ bool GDScriptAnalyzer::function_signature_from_info(const MethodInfo &p_info, GD r_default_arg_count = p_info.default_arguments.size(); r_vararg = (p_info.flags & METHOD_FLAG_VARARG) != 0; - for (const List<PropertyInfo>::Element *E = p_info.arguments.front(); E != nullptr; E = E->next()) { - r_par_types.push_back(type_from_property(E->get())); + for (const PropertyInfo &E : p_info.arguments) { + r_par_types.push_back(type_from_property(E)); } return true; } @@ -2987,8 +3360,8 @@ bool GDScriptAnalyzer::function_signature_from_info(const MethodInfo &p_info, GD bool GDScriptAnalyzer::validate_call_arg(const MethodInfo &p_method, const GDScriptParser::CallNode *p_call) { List<GDScriptParser::DataType> arg_types; - for (const List<PropertyInfo>::Element *E = p_method.arguments.front(); E != nullptr; E = E->next()) { - arg_types.push_back(type_from_property(E->get())); + for (const PropertyInfo &E : p_method.arguments) { + arg_types.push_back(type_from_property(E)); } return validate_call_arg(arg_types, p_method.default_arguments.size(), (p_method.flags & METHOD_FLAG_VARARG) != 0, p_call); @@ -3058,105 +3431,55 @@ bool GDScriptAnalyzer::is_shadowing(GDScriptParser::IdentifierNode *p_local, con StringName parent = base_native; while (parent != StringName()) { - StringName real_class_name = 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; } #endif -GDScriptParser::DataType GDScriptAnalyzer::get_operation_type(Variant::Operator p_operation, const GDScriptParser::DataType &p_a, const GDScriptParser::DataType &p_b, bool &r_valid, const GDScriptParser::Node *p_source) { - // This function creates dummy variant values and apply the operation to those. Less error-prone than keeping a table of valid operations. +GDScriptParser::DataType GDScriptAnalyzer::get_operation_type(Variant::Operator p_operation, const GDScriptParser::DataType &p_a, bool &r_valid, const GDScriptParser::Node *p_source) { + // Unary version. + GDScriptParser::DataType nil_type; + nil_type.builtin_type = Variant::NIL; + return get_operation_type(p_operation, p_a, nil_type, r_valid, p_source); +} +GDScriptParser::DataType GDScriptAnalyzer::get_operation_type(Variant::Operator p_operation, const GDScriptParser::DataType &p_a, const GDScriptParser::DataType &p_b, bool &r_valid, const GDScriptParser::Node *p_source) { GDScriptParser::DataType result; result.kind = GDScriptParser::DataType::VARIANT; Variant::Type a_type = p_a.builtin_type; Variant::Type b_type = p_b.builtin_type; - Variant a; - REF a_ref; - if (a_type == Variant::OBJECT) { - a_ref.instance(); - a = a_ref; - } else { - Callable::CallError err; - Variant::construct(a_type, a, nullptr, 0, err); - if (err.error != Callable::CallError::CALL_OK) { - r_valid = false; - ERR_FAIL_V_MSG(result, vformat("Could not construct value of type %s", Variant::get_type_name(a_type))); - } - } - Variant b; - REF b_ref; - if (b_type == Variant::OBJECT) { - b_ref.instance(); - b = b_ref; - } else { - Callable::CallError err; - Variant::construct(b_type, b, nullptr, 0, err); - if (err.error != Callable::CallError::CALL_OK) { - r_valid = false; - ERR_FAIL_V_MSG(result, vformat("Could not construct value of type %s", Variant::get_type_name(b_type))); - } - } - - // Avoid division by zero. - switch (b_type) { - case Variant::INT: - b = 1; - break; - case Variant::FLOAT: - b = 1.0; - break; - case Variant::VECTOR2: - b = Vector2(1.0, 1.0); - break; - case Variant::VECTOR2I: - b = Vector2i(1, 1); - break; - case Variant::VECTOR3: - b = Vector3(1.0, 1.0, 1.0); - break; - case Variant::VECTOR3I: - b = Vector3i(1, 1, 1); - break; - case Variant::COLOR: - b = Color(1.0, 1.0, 1.0, 1.0); - break; - default: - // No change needed. - break; - } + Variant::ValidatedOperatorEvaluator op_eval = Variant::get_validated_operator_evaluator(p_operation, a_type, b_type); - // Avoid error in formatting operator (%) where it doesn't find a placeholder. - if (a_type == Variant::STRING && b_type != Variant::ARRAY) { - a = String("%s"); + if (op_eval == nullptr) { + r_valid = false; + return result; } - Variant ret; - Variant::evaluate(p_operation, a, b, ret, r_valid); + r_valid = true; + result.type_source = GDScriptParser::DataType::ANNOTATED_INFERRED; - if (r_valid) { - return type_from_variant(ret, p_source); - } + result.kind = GDScriptParser::DataType::BUILTIN; + result.builtin_type = Variant::get_operator_return_type(p_operation, a_type, b_type); return result; } @@ -3186,6 +3509,18 @@ bool GDScriptAnalyzer::is_type_compatible(const GDScriptParser::DataType &p_targ // Enum value is also integer. valid = true; } + if (valid && p_target.builtin_type == Variant::ARRAY && p_source.builtin_type == Variant::ARRAY) { + // Check the element type. + if (p_target.has_container_element_type()) { + if (!p_source.has_container_element_type()) { + // TODO: Maybe this is valid but unsafe? + // Variant array can't be appended to typed array. + valid = false; + } else { + valid = is_type_compatible(p_target.get_container_element_type(), p_source.get_container_element_type(), false); + } + } + } return valid; } @@ -3257,16 +3592,12 @@ bool GDScriptAnalyzer::is_type_compatible(const GDScriptParser::DataType &p_targ break; // Already solved before. } - // Get underscore-prefixed version for some classes. - src_native = 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 = 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) { @@ -3314,9 +3645,8 @@ void GDScriptAnalyzer::mark_node_unsafe(const GDScriptParser::Node *p_node) { #endif } -bool GDScriptAnalyzer::class_exists(const StringName &p_class) { - StringName real_name = get_real_class_name(p_class); - return ClassDB::class_exists(real_name) && ClassDB::is_class_exposed(real_name); +bool GDScriptAnalyzer::class_exists(const StringName &p_class) const { + return ClassDB::class_exists(p_class) && ClassDB::is_class_exposed(p_class); } Ref<GDScriptParserRef> GDScriptAnalyzer::get_parser_for(const String &p_path) { @@ -3338,12 +3668,12 @@ Error GDScriptAnalyzer::resolve_inheritance() { Error GDScriptAnalyzer::resolve_interface() { resolve_class_interface(parser->head); - return parser->errors.empty() ? OK : ERR_PARSE_ERROR; + return parser->errors.is_empty() ? OK : ERR_PARSE_ERROR; } Error GDScriptAnalyzer::resolve_body() { resolve_class_body(parser->head); - return parser->errors.empty() ? OK : ERR_PARSE_ERROR; + return parser->errors.is_empty() ? OK : ERR_PARSE_ERROR; } Error GDScriptAnalyzer::resolve_program() { @@ -3352,14 +3682,13 @@ Error GDScriptAnalyzer::resolve_program() { List<String> parser_keys; depended_parsers.get_key_list(&parser_keys); - for (const List<String>::Element *E = parser_keys.front(); E != nullptr; E = E->next()) { - if (depended_parsers[E->get()].is_null()) { + for (const String &E : parser_keys) { + if (depended_parsers[E].is_null()) { return ERR_PARSE_ERROR; } - depended_parsers[E->get()]->raise_status(GDScriptParserRef::FULLY_SOLVED); + depended_parsers[E]->raise_status(GDScriptParserRef::FULLY_SOLVED); } - depended_parsers.clear(); - return parser->errors.empty() ? OK : ERR_PARSE_ERROR; + return parser->errors.is_empty() ? OK : ERR_PARSE_ERROR; } Error GDScriptAnalyzer::analyze() { |