/*************************************************************************/ /* gdscript_compiler.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* 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 */ /* "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 */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #ifndef GDSCRIPT_COMPILER_H #define GDSCRIPT_COMPILER_H #include "core/templates/set.h" #include "gdscript.h" #include "gdscript_codegen.h" #include "gdscript_function.h" #include "gdscript_parser.h" class GDScriptCompiler { const GDScriptParser *parser = nullptr; Set<GDScript *> parsed_classes; Set<GDScript *> parsing_classes; GDScript *main_script = nullptr; struct CodeGen { GDScript *script = nullptr; const GDScriptParser::ClassNode *class_node = nullptr; const GDScriptParser::FunctionNode *function_node = nullptr; StringName function_name; GDScriptCodeGenerator *generator = nullptr; Map<StringName, GDScriptCodeGenerator::Address> parameters; Map<StringName, GDScriptCodeGenerator::Address> locals; List<Map<StringName, GDScriptCodeGenerator::Address>> locals_stack; GDScriptCodeGenerator::Address add_local(const StringName &p_name, const GDScriptDataType &p_type) { uint32_t addr = generator->add_local(p_name, p_type); locals[p_name] = GDScriptCodeGenerator::Address(GDScriptCodeGenerator::Address::LOCAL_VARIABLE, addr, p_type); return locals[p_name]; } GDScriptCodeGenerator::Address add_local_constant(const StringName &p_name, const Variant &p_value) { uint32_t addr = generator->add_local_constant(p_name, p_value); locals[p_name] = GDScriptCodeGenerator::Address(GDScriptCodeGenerator::Address::CONSTANT, addr); return locals[p_name]; } GDScriptCodeGenerator::Address add_temporary(const GDScriptDataType &p_type = GDScriptDataType()) { uint32_t addr = generator->add_temporary(p_type); return GDScriptCodeGenerator::Address(GDScriptCodeGenerator::Address::TEMPORARY, addr, p_type); } GDScriptCodeGenerator::Address add_constant(const Variant &p_constant) { GDScriptDataType type; type.has_type = true; type.kind = GDScriptDataType::BUILTIN; type.builtin_type = p_constant.get_type(); if (type.builtin_type == Variant::OBJECT) { Object *obj = p_constant; if (obj) { type.kind = GDScriptDataType::NATIVE; type.native_type = obj->get_class_name(); Ref<Script> script = obj->get_script(); if (script.is_valid()) { type.script_type = script.ptr(); Ref<GDScript> gdscript = script; if (gdscript.is_valid()) { type.kind = GDScriptDataType::GDSCRIPT; } else { type.kind = GDScriptDataType::SCRIPT; } } } else { type.builtin_type = Variant::NIL; } } uint32_t addr = generator->add_or_get_constant(p_constant); return GDScriptCodeGenerator::Address(GDScriptCodeGenerator::Address::CONSTANT, addr, type); } void start_block() { Map<StringName, GDScriptCodeGenerator::Address> old_locals = locals; locals_stack.push_back(old_locals); generator->start_block(); } void end_block() { locals = locals_stack.back()->get(); locals_stack.pop_back(); generator->end_block(); } }; bool _is_class_member_property(CodeGen &codegen, const StringName &p_name); bool _is_class_member_property(GDScript *owner, const StringName &p_name); void _set_error(const String &p_error, const GDScriptParser::Node *p_node); Error _create_binary_operator(CodeGen &codegen, const GDScriptParser::BinaryOpNode *on, Variant::Operator op, bool p_initializer = false, const GDScriptCodeGenerator::Address &p_index_addr = GDScriptCodeGenerator::Address()); Error _create_binary_operator(CodeGen &codegen, const GDScriptParser::ExpressionNode *p_left_operand, const GDScriptParser::ExpressionNode *p_right_operand, Variant::Operator op, bool p_initializer = false, const GDScriptCodeGenerator::Address &p_index_addr = GDScriptCodeGenerator::Address()); GDScriptDataType _gdtype_from_datatype(const GDScriptParser::DataType &p_datatype, GDScript *p_owner = nullptr) const; GDScriptCodeGenerator::Address _parse_assign_right_expression(CodeGen &codegen, Error &r_error, const GDScriptParser::AssignmentNode *p_assignmentint, const GDScriptCodeGenerator::Address &p_index_addr = GDScriptCodeGenerator::Address()); GDScriptCodeGenerator::Address _parse_expression(CodeGen &codegen, Error &r_error, const GDScriptParser::ExpressionNode *p_expression, bool p_root = false, bool p_initializer = false, const GDScriptCodeGenerator::Address &p_index_addr = GDScriptCodeGenerator::Address()); GDScriptCodeGenerator::Address _parse_match_pattern(CodeGen &codegen, Error &r_error, const GDScriptParser::PatternNode *p_pattern, const GDScriptCodeGenerator::Address &p_value_addr, const GDScriptCodeGenerator::Address &p_type_addr, const GDScriptCodeGenerator::Address &p_previous_test, bool p_is_first, bool p_is_nested); void _add_locals_in_block(CodeGen &codegen, const GDScriptParser::SuiteNode *p_block); Error _parse_block(CodeGen &codegen, const GDScriptParser::SuiteNode *p_block, bool p_add_locals = true); GDScriptFunction *_parse_function(Error &r_error, GDScript *p_script, const GDScriptParser::ClassNode *p_class, const GDScriptParser::FunctionNode *p_func, bool p_for_ready = false, bool p_for_lambda = false); Error _parse_setter_getter(GDScript *p_script, const GDScriptParser::ClassNode *p_class, const GDScriptParser::VariableNode *p_variable, bool p_is_setter); Error _parse_class_level(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state); Error _parse_class_blocks(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state); void _make_scripts(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state); int err_line = 0; int err_column = 0; StringName source; String error; bool within_await = false; public: Error compile(const GDScriptParser *p_parser, GDScript *p_script, bool p_keep_state = false); String get_error() const; int get_error_line() const; int get_error_column() const; GDScriptCompiler(); }; #endif // GDSCRIPT_COMPILER_H