DEX/Type.hpp

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/* Copyright 2017 - 2026 R. Thomas
 * Copyright 2017 - 2026 Quarkslab
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef LIEF_DEX_TYPE_H
#define LIEF_DEX_TYPE_H
 
#include <string_view>
#include <ostream>
#include <string>
#include <vector>
 
#include "LIEF/Object.hpp"
#include "LIEF/visibility.h"
 
 
namespace LIEF::DEX {
class Parser;
class Class;

class LIEF_API Type : public Object {
  friend class Parser;
 
  public:
  enum class TYPES {
    UNKNOWN = 0,
    PRIMITIVE = 1,
    CLASS = 2,
    ARRAY = 3,
  };
 
  enum class PRIMITIVES {
    VOID_T = 0x01,
    BOOLEAN = 0x02,
    BYTE = 0x03,
    SHORT = 0x04,
    CHAR = 0x05,
    INT = 0x06,
    LONG = 0x07,
    FLOAT = 0x08,
    DOUBLE = 0x09,
  };
 
  using array_t = std::vector<Type>;
 
  public:
  static std::string pretty_name(PRIMITIVES p);
 
  public:
  Type();
  Type(std::string_view mangled);
  Type(const Type& other);

  TYPES type() const;
 
  const Class& cls() const;
  const array_t& array() const;
  const PRIMITIVES& primitive() const;

  Class& cls();

  array_t& array();

  PRIMITIVES& primitive();

  size_t dim() const;

  const Type& underlying_array_type() const LIEF_LIFETIMEBOUND;
  Type& underlying_array_type() LIEF_LIFETIMEBOUND;
 
  void accept(Visitor& visitor) const override;
 
 
  LIEF_API friend std::ostream& operator<<(std::ostream& os, const Type& type);
 
  ~Type() override;
 
  private:
  void parse(std::string_view type);
 
  TYPES type_{TYPES::UNKNOWN};
  union {
    Class* cls_{nullptr};
    array_t* array_;
    PRIMITIVES* basic_;
  };
};
 
} // Namespace DEX
// Namespace LIEF
#endif