gdscript_analyzer.cpp | Explore in Territory

/**************************************************************************/
/*  gdscript_analyzer.cpp                                                 */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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/* a copy of this software and associated documentation files (the        */
/* "Software"), to deal in the Software without restriction, including    */
/* without limitation the rights to use, copy, modify, merge, publish,    */
/* distribute, sublicense, and/or sell copies of the Software, and to     */
/* permit persons to whom the Software is furnished to do so, subject to  */
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/* included in all copies or substantial portions of the Software.        */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
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#include "gdscript_analyzer.h"

#include "gdscript.h"
#include "gdscript_utility_callable.h"
#include "gdscript_utility_functions.h"

#include "core/config/engine.h"
#include "core/config/project_settings.h"
#include "core/core_constants.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/templates/hash_map.h"
#include "scene/resources/packed_scene.h"

#if defined(TOOLS_ENABLED) && !defined(DISABLE_DEPRECATED)
#define SUGGEST_GODOT4_RENAMES
#include "editor/renames_map_3_to_4.h"
#endif

#define UNNAMED_ENUM …
#define ENUM_SEPARATOR …

static MethodInfo info_from_utility_func(const StringName &p_function) { … }

static GDScriptParser::DataType make_callable_type(const MethodInfo &p_info) { … }

static GDScriptParser::DataType make_signal_type(const MethodInfo &p_info) { … }

static GDScriptParser::DataType make_native_meta_type(const StringName &p_class_name) { … }

static GDScriptParser::DataType make_script_meta_type(const Ref<Script> &p_script) { … }

// In enum types, native_type is used to store the class (native or otherwise) that the enum belongs to.
// This disambiguates between similarly named enums in base classes or outer classes
static GDScriptParser::DataType make_enum_type(const StringName &p_enum_name, const String &p_base_name, const bool p_meta = false) { … }

static GDScriptParser::DataType make_class_enum_type(const StringName &p_enum_name, GDScriptParser::ClassNode *p_class, const String &p_script_path, 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) { … }

static GDScriptParser::DataType make_global_enum_type(const StringName &p_enum_name, const StringName &p_base, bool p_meta = true) { … }

static GDScriptParser::DataType make_builtin_meta_type(Variant::Type p_type) { … }

bool GDScriptAnalyzer::has_member_name_conflict_in_script_class(const StringName &p_member_name, const GDScriptParser::ClassNode *p_class, const GDScriptParser::Node *p_member) { … }

bool GDScriptAnalyzer::has_member_name_conflict_in_native_type(const StringName &p_member_name, const StringName &p_native_type_string) { … }

Error GDScriptAnalyzer::check_native_member_name_conflict(const StringName &p_member_name, const GDScriptParser::Node *p_member_node, const StringName &p_native_type_string) { … }

Error GDScriptAnalyzer::check_class_member_name_conflict(const GDScriptParser::ClassNode *p_class_node, const StringName &p_member_name, const GDScriptParser::Node *p_member_node) { … }

void GDScriptAnalyzer::get_class_node_current_scope_classes(GDScriptParser::ClassNode *p_node, List<GDScriptParser::ClassNode *> *p_list, GDScriptParser::Node *p_source) { … }

Error GDScriptAnalyzer::resolve_class_inheritance(GDScriptParser::ClassNode *p_class, const GDScriptParser::Node *p_source) { … }

Error GDScriptAnalyzer::resolve_class_inheritance(GDScriptParser::ClassNode *p_class, bool p_recursive) { … }

GDScriptParser::DataType GDScriptAnalyzer::resolve_datatype(GDScriptParser::TypeNode *p_type) { … }

void GDScriptAnalyzer::resolve_class_member(GDScriptParser::ClassNode *p_class, const StringName &p_name, const GDScriptParser::Node *p_source) { … }

void GDScriptAnalyzer::resolve_class_member(GDScriptParser::ClassNode *p_class, int p_index, const GDScriptParser::Node *p_source) { … }

void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_class, const GDScriptParser::Node *p_source) { … }

void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_class, bool p_recursive) { … }

void GDScriptAnalyzer::resolve_class_body(GDScriptParser::ClassNode *p_class, const GDScriptParser::Node *p_source) { … }

void GDScriptAnalyzer::resolve_class_body(GDScriptParser::ClassNode *p_class, bool p_recursive) { … }

void GDScriptAnalyzer::resolve_node(GDScriptParser::Node *p_node, bool p_is_root) { … }

void GDScriptAnalyzer::resolve_annotation(GDScriptParser::AnnotationNode *p_annotation) { … }

void GDScriptAnalyzer::resolve_function_signature(GDScriptParser::FunctionNode *p_function, const GDScriptParser::Node *p_source, bool p_is_lambda) { … }

void GDScriptAnalyzer::resolve_function_body(GDScriptParser::FunctionNode *p_function, bool p_is_lambda) { … }

void GDScriptAnalyzer::decide_suite_type(GDScriptParser::Node *p_suite, GDScriptParser::Node *p_statement) { … }

void GDScriptAnalyzer::resolve_suite(GDScriptParser::SuiteNode *p_suite) { … }

void GDScriptAnalyzer::resolve_assignable(GDScriptParser::AssignableNode *p_assignable, const char *p_kind) { … }

void GDScriptAnalyzer::resolve_variable(GDScriptParser::VariableNode *p_variable, bool p_is_local) { … }

void GDScriptAnalyzer::resolve_constant(GDScriptParser::ConstantNode *p_constant, bool p_is_local) { … }

void GDScriptAnalyzer::resolve_parameter(GDScriptParser::ParameterNode *p_parameter) { … }

void GDScriptAnalyzer::resolve_if(GDScriptParser::IfNode *p_if) { … }

void GDScriptAnalyzer::resolve_for(GDScriptParser::ForNode *p_for) { … }

void GDScriptAnalyzer::resolve_while(GDScriptParser::WhileNode *p_while) { … }

void GDScriptAnalyzer::resolve_assert(GDScriptParser::AssertNode *p_assert) { … }

void GDScriptAnalyzer::resolve_match(GDScriptParser::MatchNode *p_match) { … }

void GDScriptAnalyzer::resolve_match_branch(GDScriptParser::MatchBranchNode *p_match_branch, GDScriptParser::ExpressionNode *p_match_test) { … }

void GDScriptAnalyzer::resolve_match_pattern(GDScriptParser::PatternNode *p_match_pattern, GDScriptParser::ExpressionNode *p_match_test) { … }

void GDScriptAnalyzer::resolve_return(GDScriptParser::ReturnNode *p_return) { … }

void GDScriptAnalyzer::reduce_expression(GDScriptParser::ExpressionNode *p_expression, bool p_is_root) { … }

void GDScriptAnalyzer::reduce_array(GDScriptParser::ArrayNode *p_array) { … }

#ifdef DEBUG_ENABLED
static bool enum_has_value(const GDScriptParser::DataType p_type, int64_t p_value) { … }
#endif

void GDScriptAnalyzer::update_const_expression_builtin_type(GDScriptParser::ExpressionNode *p_expression, const GDScriptParser::DataType &p_type, const char *p_usage, bool p_is_cast) { … }

// 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(GDScriptParser::ArrayNode *p_array, const GDScriptParser::DataType &p_element_type) { … }

// When a dictionary literal is stored (or passed as function argument) to a typed context, we then assume the dictionary is typed.
// This function determines which type is that (if any).
void GDScriptAnalyzer::update_dictionary_literal_element_type(GDScriptParser::DictionaryNode *p_dictionary, const GDScriptParser::DataType &p_key_element_type, const GDScriptParser::DataType &p_value_element_type) { … }

void GDScriptAnalyzer::reduce_assignment(GDScriptParser::AssignmentNode *p_assignment) { … }

void GDScriptAnalyzer::reduce_await(GDScriptParser::AwaitNode *p_await) { … }

void GDScriptAnalyzer::reduce_binary_op(GDScriptParser::BinaryOpNode *p_binary_op) { … }

#ifdef SUGGEST_GODOT4_RENAMES
const char *get_rename_from_map(const char *map[][2], String key) { … }

// Checks if an identifier/function name has been renamed in Godot 4, uses ProjectConverter3To4 for rename map.
// Returns the new name if found, nullptr otherwise.
const char *check_for_renamed_identifier(String identifier, GDScriptParser::Node::Type type) { … }
#endif // SUGGEST_GODOT4_RENAMES

void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool p_is_await, bool p_is_root) { … }

void GDScriptAnalyzer::reduce_cast(GDScriptParser::CastNode *p_cast) { … }

void GDScriptAnalyzer::reduce_dictionary(GDScriptParser::DictionaryNode *p_dictionary) { … }

void GDScriptAnalyzer::reduce_get_node(GDScriptParser::GetNodeNode *p_get_node) { … }

GDScriptParser::DataType GDScriptAnalyzer::make_global_class_meta_type(const StringName &p_class_name, const GDScriptParser::Node *p_source) { … }

Ref<GDScriptParserRef> GDScriptAnalyzer::ensure_cached_external_parser_for_class(const GDScriptParser::ClassNode *p_class, const GDScriptParser::ClassNode *p_from_class, const char *p_context, const GDScriptParser::Node *p_source) { … }

Ref<GDScriptParserRef> GDScriptAnalyzer::find_cached_external_parser_for_class(const GDScriptParser::ClassNode *p_class, const Ref<GDScriptParserRef> &p_dependant_parser) { … }

Ref<GDScriptParserRef> GDScriptAnalyzer::find_cached_external_parser_for_class(const GDScriptParser::ClassNode *p_class, GDScriptParser *p_dependant_parser) { … }

Ref<GDScript> GDScriptAnalyzer::get_depended_shallow_script(const String &p_path, Error &r_error) { … }

void GDScriptAnalyzer::reduce_identifier_from_base_set_class(GDScriptParser::IdentifierNode *p_identifier, GDScriptParser::DataType p_identifier_datatype) { … }

void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNode *p_identifier, GDScriptParser::DataType *p_base) { … }

void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_identifier, bool can_be_builtin) { … }

void GDScriptAnalyzer::reduce_lambda(GDScriptParser::LambdaNode *p_lambda) { … }

void GDScriptAnalyzer::reduce_literal(GDScriptParser::LiteralNode *p_literal) { … }

void GDScriptAnalyzer::reduce_preload(GDScriptParser::PreloadNode *p_preload) { … }

void GDScriptAnalyzer::reduce_self(GDScriptParser::SelfNode *p_self) { … }

void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscript, bool p_can_be_pseudo_type) { … }

void GDScriptAnalyzer::reduce_ternary_op(GDScriptParser::TernaryOpNode *p_ternary_op, bool p_is_root) { … }

void GDScriptAnalyzer::reduce_type_test(GDScriptParser::TypeTestNode *p_type_test) { … }

void GDScriptAnalyzer::reduce_unary_op(GDScriptParser::UnaryOpNode *p_unary_op) { … }

Variant GDScriptAnalyzer::make_expression_reduced_value(GDScriptParser::ExpressionNode *p_expression, bool &is_reduced) { … }

Variant GDScriptAnalyzer::make_array_reduced_value(GDScriptParser::ArrayNode *p_array, bool &is_reduced) { … }

Variant GDScriptAnalyzer::make_dictionary_reduced_value(GDScriptParser::DictionaryNode *p_dictionary, bool &is_reduced) { … }

Variant GDScriptAnalyzer::make_subscript_reduced_value(GDScriptParser::SubscriptNode *p_subscript, bool &is_reduced) { … }

Array GDScriptAnalyzer::make_array_from_element_datatype(const GDScriptParser::DataType &p_element_datatype, const GDScriptParser::Node *p_source_node) { … }

Dictionary GDScriptAnalyzer::make_dictionary_from_element_datatype(const GDScriptParser::DataType &p_key_element_datatype, const GDScriptParser::DataType &p_value_element_datatype, const GDScriptParser::Node *p_source_node) { … }

Variant GDScriptAnalyzer::make_variable_default_value(GDScriptParser::VariableNode *p_variable) { … }

GDScriptParser::DataType GDScriptAnalyzer::type_from_variant(const Variant &p_value, const GDScriptParser::Node *p_source) { … }

GDScriptParser::DataType GDScriptAnalyzer::type_from_metatype(const GDScriptParser::DataType &p_meta_type) { … }

GDScriptParser::DataType GDScriptAnalyzer::type_from_property(const PropertyInfo &p_property, bool p_is_arg, bool p_is_readonly) const { … }

bool GDScriptAnalyzer::get_function_signature(GDScriptParser::Node *p_source, bool p_is_constructor, 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, BitField<MethodFlags> &r_method_flags, StringName *r_native_class) { … }

bool GDScriptAnalyzer::function_signature_from_info(const MethodInfo &p_info, GDScriptParser::DataType &r_return_type, List<GDScriptParser::DataType> &r_par_types, int &r_default_arg_count, BitField<MethodFlags> &r_method_flags) { … }

void GDScriptAnalyzer::validate_call_arg(const MethodInfo &p_method, const GDScriptParser::CallNode *p_call) { … }

void GDScriptAnalyzer::validate_call_arg(const List<GDScriptParser::DataType> &p_par_types, int p_default_args_count, bool p_is_vararg, const GDScriptParser::CallNode *p_call) { … }

#ifdef DEBUG_ENABLED
void GDScriptAnalyzer::is_shadowing(GDScriptParser::IdentifierNode *p_identifier, const String &p_context, const bool p_in_local_scope) { … }
#endif

GDScriptParser::DataType GDScriptAnalyzer::get_operation_type(Variant::Operator p_operation, const GDScriptParser::DataType &p_a, bool &r_valid, const GDScriptParser::Node *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) { … }

bool GDScriptAnalyzer::is_type_compatible(const GDScriptParser::DataType &p_target, const GDScriptParser::DataType &p_source, bool p_allow_implicit_conversion, const GDScriptParser::Node *p_source_node) { … }

// TODO: Add safe/unsafe return variable (for variant cases)
bool GDScriptAnalyzer::check_type_compatibility(const GDScriptParser::DataType &p_target, const GDScriptParser::DataType &p_source, bool p_allow_implicit_conversion, const GDScriptParser::Node *p_source_node) { … }

void GDScriptAnalyzer::push_error(const String &p_message, const GDScriptParser::Node *p_origin) { … }

void GDScriptAnalyzer::mark_node_unsafe(const GDScriptParser::Node *p_node) { … }

void GDScriptAnalyzer::downgrade_node_type_source(GDScriptParser::Node *p_node) { … }

void GDScriptAnalyzer::mark_lambda_use_self() { … }

void GDScriptAnalyzer::resolve_pending_lambda_bodies() { … }

bool GDScriptAnalyzer::class_exists(const StringName &p_class) const { … }

Error GDScriptAnalyzer::resolve_inheritance() { … }

Error GDScriptAnalyzer::resolve_interface() { … }

Error GDScriptAnalyzer::resolve_body() { … }

Error GDScriptAnalyzer::resolve_dependencies() { … }

Error GDScriptAnalyzer::analyze() { … }

GDScriptAnalyzer::GDScriptAnalyzer(GDScriptParser *p_parser) { … }
godot/modules/gdscript/gdscript_analyzer.cpp
