diagnostic.hpp

// SPDX-License-Identifier: BSL-1.0
#ifndef CEL_PARSER_DIAGNOSTIC_HPP
#define CEL_PARSER_DIAGNOSTIC_HPP
#include <cstddef>
#include <stdexcept>
#include <string>

namespace cel {

struct source_span {
    std::size_t begin = 0; 
    std::size_t end = 0;   

    bool operator==(const source_span&) const = default;
};

enum class error_category {
    malformed_input,     
    unsupported_literal, 
    type_error,          
    lookup_error,        
    delimiter_error,     
    resource_limit       
};

class parse_error : public std::runtime_error {
    error_category category_;
    source_span span_;
 
public:
    parse_error(error_category category, source_span span, std::string message);
    [[nodiscard]] error_category category() const noexcept { return category_; }
    [[nodiscard]] source_span span() const noexcept { return span_; }
};

} // namespace cel
#endif