1 /*
2  * src/pl/plpython/plpy_elog.h
3  */
4 
5 #ifndef PLPY_ELOG_H
6 #define PLPY_ELOG_H
7 
8 /* global exception classes */
9 extern PyObject *PLy_exc_error;
10 extern PyObject *PLy_exc_fatal;
11 extern PyObject *PLy_exc_spi_error;
12 
13 /*
14  * PLy_elog()
15  *
16  * See comments at elog() about the compiler hinting.
17  */
18 #ifdef HAVE__VA_ARGS
19 #ifdef HAVE__BUILTIN_CONSTANT_P
20 #define PLy_elog(elevel, ...) \
21 	do { \
22 		PLy_elog_impl(elevel, __VA_ARGS__); \
23 		if (__builtin_constant_p(elevel) && (elevel) >= ERROR) \
24 			pg_unreachable(); \
25 	} while(0)
26 #else							/* !HAVE__BUILTIN_CONSTANT_P */
27 #define PLy_elog(elevel, ...)  \
28 	do { \
29 		const int elevel_ = (elevel); \
30 		PLy_elog_impl(elevel_, __VA_ARGS__); \
31 		if (elevel_ >= ERROR) \
32 			pg_unreachable(); \
33 	} while(0)
34 #endif							/* HAVE__BUILTIN_CONSTANT_P */
35 #else							/* !HAVE__VA_ARGS */
36 #define PLy_elog PLy_elog_impl
37 #endif							/* HAVE__VA_ARGS */
38 
39 extern void PLy_elog_impl(int elevel, const char *fmt,...) pg_attribute_printf(2, 3);
40 
41 extern void PLy_exception_set(PyObject *exc, const char *fmt,...) pg_attribute_printf(2, 3);
42 
43 extern void PLy_exception_set_plural(PyObject *exc, const char *fmt_singular, const char *fmt_plural,
44 						 unsigned long n,...) pg_attribute_printf(2, 5) pg_attribute_printf(3, 5);
45 
46 extern void PLy_exception_set_with_details(PyObject *excclass, ErrorData *edata);
47 
48 #endif							/* PLPY_ELOG_H */
49