gcc/rust/util/rust-dump.h

// Copyright (C) 2021-2025 Free Software Foundation, Inc.

// This file is part of GCC.

// GCC is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 3, or (at your option) any later
// version.

// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// for more details.

// You should have received a copy of the GNU General Public License
// along with GCC; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

// Common definitions useful for textual dump of IRs (AST and HIR).

#ifndef RUST_DUMP_H
#define RUST_DUMP_H

namespace Rust {

class Indent
{
public:
  Indent () = default;

  friend std::ostream &operator<< (std::ostream &stream, const Indent &indent)
  {
    return stream << std::string (indent.tabs, '\t');
  };

  void increment () { tabs++; };

  void decrement ()
  {
    rust_assert (tabs != 0);
    tabs--;
  };

private:
  size_t tabs = 0;
};
} // namespace Rust

#endif