mirror of
https://github.com/godotengine/godot.git
synced 2024-12-21 10:25:24 +08:00
157 lines
7.9 KiB
C++
157 lines
7.9 KiB
C++
/*************************************************************************/
|
|
/* gdscript_compiler.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2020 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/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<Set<StringName>> locals_in_scope;
|
|
|
|
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);
|
|
locals_in_scope.back()->get().insert(p_name);
|
|
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::LOCAL_CONSTANT, addr);
|
|
return locals[p_name];
|
|
}
|
|
|
|
GDScriptCodeGenerator::Address add_temporary(const GDScriptDataType &p_type = GDScriptDataType()) {
|
|
uint32_t addr = generator->add_temporary();
|
|
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() {
|
|
Set<StringName> scope;
|
|
locals_in_scope.push_back(scope);
|
|
generator->start_block();
|
|
}
|
|
|
|
void end_block() {
|
|
Set<StringName> &scope = locals_in_scope.back()->get();
|
|
for (Set<StringName>::Element *E = scope.front(); E; E = E->next()) {
|
|
locals.erase(E->get());
|
|
}
|
|
locals_in_scope.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);
|
|
Error _parse_function(GDScript *p_script, const GDScriptParser::ClassNode *p_class, const GDScriptParser::FunctionNode *p_func, bool p_for_ready = 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;
|
|
int err_column;
|
|
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
|