include/nixd/Protocol/Protocol.h

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#pragma once
 
#include <llvm/Support/JSON.h>
 
#include <cstdint>
#include <string>
 
namespace nixd::rpc {
 
enum class LogLevel {
  Debug,
  Info,
  Warning,
  Error,
};
 
struct RegisterBCParams {
  std::string Shm;
  std::string BasePath;
  std::string CachePath;
  std::int64_t Size;
};
 
llvm::json::Value toJSON(const RegisterBCParams &Params);
bool fromJSON(const llvm::json::Value &Params, RegisterBCParams &R,
              llvm::json::Path P);
 
struct ExprValueParams {
  std::int64_t ExprID;
};
 
llvm::json::Value toJSON(const ExprValueParams &Params);
bool fromJSON(const llvm::json::Value &Params, ExprValueParams &R,
              llvm::json::Path P);
 
struct ExprValueResponse {
  enum ResultKinds {
    /// \brief The expr is not found in the registered bytecodes.
    NotFound,
 
    /// \brief The expr is found, but the value is not evaluated. e.g. too deep
    NotEvaluated,
 
    /// \brief Encountered an error when evaluating the value.
    EvalError,
 
    /// \brief The value is available.
    OK,
  };
  int ResultKind;
  /// \brief The value ID, for future reference.
  ///
  /// We may want to query the value of the same expr multiple times, with more
  /// detailed information.
  std::int64_t ValueID;
 
  /// \brief Opaque data, the value of the expr.
  enum ValueKinds {
    Int,
    Float,
  };
  int ValueKind;
};
 
llvm::json::Value toJSON(const ExprValueResponse &Params);
bool fromJSON(const llvm::json::Value &Params, ExprValueResponse &R,
              llvm::json::Path P);
 
} // namespace nixd::rpc