src/pl/plpython/plpy_elog.h

   1 /*
   2  * src/pl/plpython/plpy_elog.h
   3  */
   4
   5 #ifndef PLPY_ELOG_H
   6 #define PLPY_ELOG_H
   7
   8 #include "plpython.h"
   9
  10 /* global exception classes */
  11 extern PyObject *PLy_exc_error;
  12 extern PyObject *PLy_exc_fatal;
  13 extern PyObject *PLy_exc_spi_error;
  14
  15 /*
  16  * PLy_elog()
  17  *
  18  * See comments at elog() about the compiler hinting.
  19  */
  20 #ifdef HAVE__BUILTIN_CONSTANT_P
  21 #define PLy_elog(elevel, ...) \
  22         do { \
  23                 PLy_elog_impl(elevel, __VA_ARGS__); \
  24                 if (__builtin_constant_p(elevel) && (elevel) >= ERROR) \
  25                         pg_unreachable(); \
  26         } while(0)
  27 #else                                                   /* !HAVE__BUILTIN_CONSTANT_P */
  28 #define PLy_elog(elevel, ...)  \
  29         do { \
  30                 const int elevel_ = (elevel); \
  31                 PLy_elog_impl(elevel_, __VA_ARGS__); \
  32                 if (elevel_ >= ERROR) \
  33                         pg_unreachable(); \
  34         } while(0)
  35 #endif                                                  /* HAVE__BUILTIN_CONSTANT_P */
  36
  37 extern PGDLLEXPORT void PLy_elog_impl(int elevel, const char *fmt,...) pg_attribute_printf(2, 3);
  38
  39 extern PGDLLEXPORT void PLy_exception_set(PyObject *exc, const char *fmt,...) pg_attribute_printf(2, 3);
  40
  41 extern PGDLLEXPORT void PLy_exception_set_plural(PyObject *exc, const char *fmt_singular, const char *fmt_plural,
  42                                                                                                  unsigned long n,...) pg_attribute_printf(2, 5) pg_attribute_printf(3, 5);
  43
  44 extern PGDLLEXPORT void PLy_exception_set_with_details(PyObject *excclass, ErrorData *edata);
  45
  46 #endif                                                  /* PLPY_ELOG_H */