diff options
Diffstat (limited to 'modules/gdscript/gdscript_analyzer.cpp')
-rw-r--r-- | modules/gdscript/gdscript_analyzer.cpp | 129 |
1 files changed, 113 insertions, 16 deletions
diff --git a/modules/gdscript/gdscript_analyzer.cpp b/modules/gdscript/gdscript_analyzer.cpp index 046158e24e..38f9163f70 100644 --- a/modules/gdscript/gdscript_analyzer.cpp +++ b/modules/gdscript/gdscript_analyzer.cpp @@ -32,6 +32,7 @@ #include "core/config/engine.h" #include "core/config/project_settings.h" +#include "core/core_constants.h" #include "core/core_string_names.h" #include "core/io/file_access.h" #include "core/io/resource_loader.h" @@ -48,7 +49,7 @@ #endif #define UNNAMED_ENUM "<anonymous enum>" -#define ENUM_SEPARATOR "::" +#define ENUM_SEPARATOR "." static MethodInfo info_from_utility_func(const StringName &p_function) { ERR_FAIL_COND_V(!Variant::has_utility_function(p_function), MethodInfo()); @@ -137,12 +138,16 @@ static GDScriptParser::DataType make_enum_type(const StringName &p_enum_name, co // For enums, native_type is only used to check compatibility in is_type_compatible() // We can set anything readable here for error messages, as long as it uniquely identifies the type of the enum - type.native_type = p_base_name + ENUM_SEPARATOR + p_enum_name; + if (p_base_name.is_empty()) { + type.native_type = p_enum_name; + } else { + type.native_type = p_base_name + ENUM_SEPARATOR + p_enum_name; + } return type; } -static GDScriptParser::DataType make_native_enum_type(const StringName &p_enum_name, const StringName &p_native_class, const bool p_meta = true) { +static GDScriptParser::DataType make_native_enum_type(const StringName &p_enum_name, const StringName &p_native_class, bool p_meta = true) { // Find out which base class declared the enum, so the name is always the same even when coming from other contexts. StringName native_base = p_native_class; while (true && native_base != StringName()) { @@ -154,7 +159,7 @@ static GDScriptParser::DataType make_native_enum_type(const StringName &p_enum_n GDScriptParser::DataType type = make_enum_type(p_enum_name, native_base, p_meta); if (p_meta) { - type.builtin_type = Variant::NIL; // Native enum types are not Dictionaries + type.builtin_type = Variant::NIL; // Native enum types are not Dictionaries. } List<StringName> enum_values; @@ -167,6 +172,22 @@ static GDScriptParser::DataType make_native_enum_type(const StringName &p_enum_n return type; } +static GDScriptParser::DataType make_global_enum_type(const StringName &p_enum_name, const StringName &p_base, bool p_meta = true) { + GDScriptParser::DataType type = make_enum_type(p_enum_name, p_base, p_meta); + if (p_meta) { + type.builtin_type = Variant::NIL; // Native enum types are not Dictionaries. + type.is_pseudo_type = true; + } + + HashMap<StringName, int64_t> enum_values; + CoreConstants::get_enum_values(type.native_type, &enum_values); + for (const KeyValue<StringName, int64_t> &element : enum_values) { + type.enum_values[element.key] = element.value; + } + + return type; +} + static GDScriptParser::DataType make_builtin_meta_type(Variant::Type p_type) { GDScriptParser::DataType type; type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT; @@ -574,9 +595,19 @@ GDScriptParser::DataType GDScriptAnalyzer::resolve_datatype(GDScriptParser::Type StringName first = p_type->type_chain[0]->name; if (first == SNAME("Variant")) { - if (p_type->type_chain.size() > 1) { - // TODO: Variant does actually have a nested Type though. - push_error(R"(Variant doesn't contain nested types.)", p_type->type_chain[1]); + if (p_type->type_chain.size() == 2) { + // May be nested enum. + StringName enum_name = p_type->type_chain[1]->name; + StringName qualified_name = String(first) + ENUM_SEPARATOR + String(p_type->type_chain[1]->name); + if (CoreConstants::is_global_enum(qualified_name)) { + result = make_global_enum_type(enum_name, first, true); + return result; + } else { + push_error(vformat(R"(Name "%s" is not a nested type of "Variant".)", enum_name), p_type->type_chain[1]); + return bad_type; + } + } else if (p_type->type_chain.size() > 2) { + push_error(R"(Variant only contains enum types, which do not have nested types.)", p_type->type_chain[2]); return bad_type; } result.kind = GDScriptParser::DataType::VARIANT; @@ -634,6 +665,12 @@ GDScriptParser::DataType GDScriptAnalyzer::resolve_datatype(GDScriptParser::Type } else if (ClassDB::has_enum(parser->current_class->base_type.native_type, first)) { // Native enum in current class. result = make_native_enum_type(first, parser->current_class->base_type.native_type); + } else if (CoreConstants::is_global_enum(first)) { + if (p_type->type_chain.size() > 1) { + push_error(R"(Enums cannot contain nested types.)", p_type->type_chain[1]); + return bad_type; + } + result = make_global_enum_type(first, StringName()); } else { // Classes in current scope. List<GDScriptParser::ClassNode *> script_classes; @@ -3633,6 +3670,20 @@ void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_ident } } + if (CoreConstants::is_global_constant(name)) { + int index = CoreConstants::get_global_constant_index(name); + StringName enum_name = CoreConstants::get_global_constant_enum(index); + int64_t value = CoreConstants::get_global_constant_value(index); + if (enum_name != StringName()) { + p_identifier->set_datatype(make_global_enum_type(enum_name, StringName(), false)); + } else { + p_identifier->set_datatype(type_from_variant(value, p_identifier)); + } + p_identifier->is_constant = true; + p_identifier->reduced_value = value; + return; + } + if (GDScriptLanguage::get_singleton()->has_any_global_constant(name)) { Variant constant = GDScriptLanguage::get_singleton()->get_any_global_constant(name); p_identifier->set_datatype(type_from_variant(constant, p_identifier)); @@ -3641,6 +3692,25 @@ void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_ident return; } + if (CoreConstants::is_global_enum(name)) { + p_identifier->set_datatype(make_global_enum_type(name, StringName(), true)); + if (!can_be_builtin) { + push_error(vformat(R"(Global enum "%s" cannot be used on its own.)", name), p_identifier); + } + return; + } + + // Allow "Variant" here since it might be used for nested enums. + if (can_be_builtin && name == SNAME("Variant")) { + GDScriptParser::DataType variant; + variant.kind = GDScriptParser::DataType::VARIANT; + variant.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT; + variant.is_meta_type = true; + variant.is_pseudo_type = true; + p_identifier->set_datatype(variant); + return; + } + // Not found. // Check if it's a builtin function. if (GDScriptUtilityFunctions::function_exists(name)) { @@ -3781,12 +3851,14 @@ void GDScriptAnalyzer::reduce_self(GDScriptParser::SelfNode *p_self) { mark_lambda_use_self(); } -void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscript) { +void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscript, bool p_can_be_pseudo_type) { 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 if (p_subscript->base->type == GDScriptParser::Node::SUBSCRIPT) { + reduce_subscript(static_cast<GDScriptParser::SubscriptNode *>(p_subscript->base), true); } else { reduce_expression(p_subscript->base); } @@ -3810,14 +3882,28 @@ void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscri result_type = type_from_variant(value, p_subscript); } } else if (base_type.is_variant() || !base_type.is_hard_type()) { - valid = true; + valid = !base_type.is_pseudo_type || p_can_be_pseudo_type; result_type.kind = GDScriptParser::DataType::VARIANT; - mark_node_unsafe(p_subscript); + if (base_type.is_variant() && base_type.is_hard_type() && base_type.is_meta_type && base_type.is_pseudo_type) { + // Special case: it may be a global enum with pseudo base (e.g. Variant.Type). + String enum_name; + if (p_subscript->base->type == GDScriptParser::Node::IDENTIFIER) { + enum_name = String(static_cast<GDScriptParser::IdentifierNode *>(p_subscript->base)->name) + ENUM_SEPARATOR + String(p_subscript->attribute->name); + } + if (CoreConstants::is_global_enum(enum_name)) { + result_type = make_global_enum_type(enum_name, StringName()); + } else { + valid = false; + mark_node_unsafe(p_subscript); + } + } else { + mark_node_unsafe(p_subscript); + } } else { reduce_identifier_from_base(p_subscript->attribute, &base_type); GDScriptParser::DataType attr_type = p_subscript->attribute->get_datatype(); if (attr_type.is_set()) { - valid = true; + valid = !attr_type.is_pseudo_type || p_can_be_pseudo_type; result_type = attr_type; p_subscript->is_constant = p_subscript->attribute->is_constant; p_subscript->reduced_value = p_subscript->attribute->reduced_value; @@ -3833,7 +3919,12 @@ void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscri } } if (!valid) { - push_error(vformat(R"(Cannot find member "%s" in base "%s".)", p_subscript->attribute->name, type_from_metatype(base_type).to_string()), p_subscript->attribute); + GDScriptParser::DataType attr_type = p_subscript->attribute->get_datatype(); + if (!p_can_be_pseudo_type && (attr_type.is_pseudo_type || result_type.is_pseudo_type)) { + push_error(vformat(R"(Type "%s" in base "%s" cannot be used on its own.)", p_subscript->attribute->name, type_from_metatype(base_type).to_string()), p_subscript->attribute); + } else { + push_error(vformat(R"(Cannot find member "%s" in base "%s".)", p_subscript->attribute->name, type_from_metatype(base_type).to_string()), p_subscript->attribute); + } result_type.kind = GDScriptParser::DataType::VARIANT; } } else { @@ -4389,6 +4480,7 @@ GDScriptParser::DataType GDScriptAnalyzer::type_from_variant(const Variant &p_va GDScriptParser::DataType GDScriptAnalyzer::type_from_metatype(const GDScriptParser::DataType &p_meta_type) { GDScriptParser::DataType result = p_meta_type; result.is_meta_type = false; + result.is_pseudo_type = false; if (p_meta_type.kind == GDScriptParser::DataType::ENUM) { result.builtin_type = Variant::INT; } else { @@ -4442,11 +4534,16 @@ GDScriptParser::DataType GDScriptAnalyzer::type_from_property(const PropertyInfo result.set_container_element_type(elem_type); } else if (p_property.type == Variant::INT) { // Check if it's enum. - if (p_property.class_name != StringName()) { - Vector<String> names = String(p_property.class_name).split("."); - if (names.size() == 2) { - result = make_native_enum_type(names[1], names[0], false); + if ((p_property.usage & (PROPERTY_USAGE_CLASS_IS_ENUM | PROPERTY_USAGE_CLASS_IS_BITFIELD)) && p_property.class_name != StringName()) { + if (CoreConstants::is_global_enum(p_property.class_name)) { + result = make_global_enum_type(p_property.class_name, StringName(), false); result.is_constant = false; + } else { + Vector<String> names = String(p_property.class_name).split(ENUM_SEPARATOR); + if (names.size() == 2) { + result = make_native_enum_type(names[1], names[0], false); + result.is_constant = false; + } } } } |