status_macros.h File Reference

#include <google/protobuf/stubs/common.h>
#include <google/protobuf/stubs/status.h>
#include <google/protobuf/stubs/statusor.h>

Go to the source code of this file.

Namespaces
	google
	google::protobuf
	google::protobuf::util

Macros
#define	RETURN_IF_ERROR(expr)
#define	STATUS_MACROS_CONCAT_NAME_INNER(x, y)   x##y
#define	STATUS_MACROS_CONCAT_NAME(x, y)   STATUS_MACROS_CONCAT_NAME_INNER(x, y)
#define	ASSIGN_OR_RETURN_IMPL(status, lhs, rexpr)
#define	ASSIGN_OR_RETURN(lhs, rexpr)

Functions
template<typename T >
Status	google::protobuf::util::DoAssignOrReturn (T &lhs, StatusOr< T > result)

Macro Definition Documentation

ASSIGN_OR_RETURN

#define ASSIGN_OR_RETURN	(		lhs,
			rexpr
	)

Value:

ASSIGN_OR_RETURN_IMPL( \
      STATUS_MACROS_CONCAT_NAME(_status_or_value, __COUNTER__), lhs, rexpr);

ASSIGN_OR_RETURN_IMPL

#define ASSIGN_OR_RETURN_IMPL	(		status,
			lhs,
			rexpr
	)

Value:

Status status = DoAssignOrReturn(lhs, (rexpr)); \
  if (GOOGLE_PREDICT_FALSE(!status.ok())) return status;

RETURN_IF_ERROR

#define RETURN_IF_ERROR

(

expr

)

Value:

do { \
    /* Using _status below to avoid capture problems if expr is "status". */ \
    const ::google::protobuf::util::Status _status = (expr); \
    if (GOOGLE_PREDICT_FALSE(!_status.ok())) return _status; \
  } while (0)

STATUS_MACROS_CONCAT_NAME

#define STATUS_MACROS_CONCAT_NAME	(		x,
			y
	)		STATUS_MACROS_CONCAT_NAME_INNER(x, y)

STATUS_MACROS_CONCAT_NAME_INNER

#define STATUS_MACROS_CONCAT_NAME_INNER	(		x,
			y
	)		x##y