// Copyright (C) 2024 Rubén Beltrán del Río

// This program 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 of the License, or
// (at your option) any later version.

// This program 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 this program. If not, see https://map.tranquil.systems.
extension Wmap {
  struct SourcePosition: Equatable {
    let line: Int
    let column: Int
    let stringIndex: String.Index

    static func == (lhs: SourcePosition, rhs: SourcePosition) -> Bool {
      return lhs.line == rhs.line && lhs.column == rhs.column && lhs.stringIndex == rhs.stringIndex
    }
  }

  struct SourceRange: Equatable {
    let start: SourcePosition
    let end: SourcePosition
    let stringRange: Range<String.Index>

    static func == (lhs: SourceRange, rhs: SourceRange) -> Bool {
      return lhs.start == rhs.start && lhs.end == rhs.end && lhs.stringRange == rhs.stringRange
    }
  }
}