Program Listing for File parse.hpp

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#ifndef SEQUANT_PARSE_HPP
#define SEQUANT_PARSE_HPP

#include <SeQuant/core/attr.hpp>
#include <SeQuant/core/expr.hpp>
#include <SeQuant/core/index.hpp>
#include <SeQuant/core/tensor.hpp>

#include <stdexcept>
#include <string>
#include <string_view>


namespace sequant {

struct ParseError : std::runtime_error {
  std::size_t offset;
  std::size_t length;

  ParseError(std::size_t offset, std::size_t length, std::string message);
};

// clang-format off
// clang-format on
ExprPtr parse_expr(std::wstring_view raw,
                   Symmetry tensor_sym = Symmetry::nonsymm);

std::wstring deparse(const ExprPtr &expr, bool annot_sym = true);
std::wstring deparse(const Expr &expr, bool annot_sym = true);
std::wstring deparse(const Product &product, bool annot_sym);
std::wstring deparse(const Sum &sum, bool annot_sym);
std::wstring deparse(const Tensor &tensor, bool annot_sym = true);
std::wstring deparse(const Variable &variable);
std::wstring deparse(const Constant &constant);
std::wstring deparse(const Index &index);

}  // namespace sequant

#endif  // SEQUANT_PARSE_HPP