PDB/CompilationUnit.hpp

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/* Copyright 2022 - 2026 R. Thomas
 *
 * 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_PDB_COMPILATION_UNIT_H
#define LIEF_PDB_COMPILATION_UNIT_H
#include <memory>
#include <string>
#include <vector>
#include <ostream>
 
#include "LIEF/iterators.hpp"
#include "LIEF/DebugDeclOpt.hpp"
#include "LIEF/PDB/Function.hpp"
 
#include "LIEF/visibility.h"
 
namespace LIEF {
namespace pdb {
class BuildMetadata;
 
namespace details {
class CompilationUnit;
class CompilationUnitIt;
}

class LIEF_API CompilationUnit {
  public:
  class Iterator final
    : public iterator_facade_base<Iterator, std::bidirectional_iterator_tag,
                                  CompilationUnit, std::ptrdiff_t,
                                  const CompilationUnit*, const CompilationUnit&> {
    public:
    using implementation = details::CompilationUnitIt;
    using iterator_facade_base::operator++;
    using iterator_facade_base::operator--;
 
    LIEF_API Iterator();
 
    LIEF_API Iterator(std::unique_ptr<details::CompilationUnitIt> impl);
 
    LIEF_API Iterator(const Iterator&);
    LIEF_API Iterator& operator=(const Iterator&);
 
    LIEF_API Iterator(Iterator&&) noexcept;
    LIEF_API Iterator& operator=(Iterator&&) noexcept;
 
    LIEF_API ~Iterator();
 
    friend LIEF_API bool operator==(const Iterator& LHS, const Iterator& RHS);
    friend bool operator!=(const Iterator& LHS, const Iterator& RHS) {
      return !(LHS == RHS);
    }
 
    // NOLINTNEXTLINE(bugprone-derived-method-shadowing-base-method)
    LIEF_API Iterator& operator++();
 
    // NOLINTNEXTLINE(bugprone-derived-method-shadowing-base-method)
    LIEF_API Iterator& operator--();
 
    LIEF_API const CompilationUnit& operator*() const LIEF_LIFETIMEBOUND;
 
    // NOLINTNEXTLINE(bugprone-derived-method-shadowing-base-method)
    LIEF_API const CompilationUnit* operator->() const LIEF_LIFETIMEBOUND;

    LIEF_API std::unique_ptr<CompilationUnit> yield();
 
    private:
    void load() const;
 
    std::unique_ptr<details::CompilationUnitIt> impl_;
    mutable std::unique_ptr<CompilationUnit> cached_;
  };

  using sources_iterator =
      iterator_range<std::vector<std::string>::const_iterator>;
 
  using function_iterator = iterator_range<Function::Iterator>;
 
  CompilationUnit(std::unique_ptr<details::CompilationUnit> impl);
  ~CompilationUnit();

  std::string module_name() const;

  std::string object_filename() const;

  sources_iterator sources() const LIEF_LIFETIMEBOUND;

  function_iterator functions() const LIEF_LIFETIMEBOUND;

  std::unique_ptr<BuildMetadata> build_metadata() const LIEF_LIFETIMEBOUND;

  std::string to_decl(const DeclOpt& opt = DeclOpt()) const;
 
  std::string to_string() const;
 
  LIEF_API friend std::ostream& operator<<(std::ostream& os,
                                           const CompilationUnit& CU) {
    os << CU.to_string();
    return os;
  }
 
  private:
  std::unique_ptr<details::CompilationUnit> impl_;
};
 
}
}
#endif