error.h

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#pragma once
 
#include <expected>
#include <string>
#include <format>
 
namespace picceler {

struct CompileError {
 
  CompileError() : _message("Empty message! If this isn't a test, debug this."), _line(0), _column(0) {}
  explicit CompileError(std::string &&string, size_t line = 0, size_t column = 0)
      : _message(std::move(string)), _line(line), _column(column) {}
  explicit CompileError(const std::string &string, size_t line = 0, size_t column = 0)
      : _message(string), _line(line), _column(column) {}
 
  CompileError(const CompileError &) = default;
  CompileError(CompileError &&) = default;
 
  CompileError &operator=(const CompileError &) = default;
  CompileError &operator=(CompileError &&) = default;
 
  std::string _message;
  size_t _line;
  size_t _column;
 
  //   const std::string &message() const { return _message; }
  size_t line() const { return _line; }
  size_t column() const { return _column; }
 
  std::string message() const { return std::format("[line {}:{}] CompilerError: {}", _line, _column, _message); }
};

template <typename T> using Result = std::expected<T, CompileError>;
 
} // namespace picceler