1 files changed, 46 insertions, 0 deletions
diff --git a/src/pl/plpython/plpy_elog.h b/src/pl/plpython/plpy_elog.h
new file mode 100644
index 0000000..e02ef4f
--- /dev/null
+++ b/src/pl/plpython/plpy_elog.h
@@ -0,0 +1,46 @@
+/*
+ * src/pl/plpython/plpy_elog.h
+ */
+
+#ifndef PLPY_ELOG_H
+#define PLPY_ELOG_H
+
+#include "plpython.h"
+
+/* global exception classes */
+extern PyObject *PLy_exc_error;
+extern PyObject *PLy_exc_fatal;
+extern PyObject *PLy_exc_spi_error;
+
+/*
+ * PLy_elog()
+ *
+ * See comments at elog() about the compiler hinting.
+ */
+#ifdef HAVE__BUILTIN_CONSTANT_P
+#define PLy_elog(elevel, ...) \
+	do { \
+		PLy_elog_impl(elevel, __VA_ARGS__); \
+		if (__builtin_constant_p(elevel) && (elevel) >= ERROR) \
+			pg_unreachable(); \
+	} while(0)
+#else							/* !HAVE__BUILTIN_CONSTANT_P */
+#define PLy_elog(elevel, ...)  \
+	do { \
+		const int elevel_ = (elevel); \
+		PLy_elog_impl(elevel_, __VA_ARGS__); \
+		if (elevel_ >= ERROR) \
+			pg_unreachable(); \
+	} while(0)
+#endif							/* HAVE__BUILTIN_CONSTANT_P */
+
+extern void PLy_elog_impl(int elevel, const char *fmt,...) pg_attribute_printf(2, 3);
+
+extern void PLy_exception_set(PyObject *exc, const char *fmt,...) pg_attribute_printf(2, 3);
+
+extern void PLy_exception_set_plural(PyObject *exc, const char *fmt_singular, const char *fmt_plural,
+									 unsigned long n,...) pg_attribute_printf(2, 5) pg_attribute_printf(3, 5);
+
+extern void PLy_exception_set_with_details(PyObject *excclass, ErrorData *edata);
+
+#endif							/* PLPY_ELOG_H */