Initial import of the CDE 2.1.30 sources from the Open Group.

cde/lib/DtSvc/include/codelibs/exception.h

@@ -0,0 +1,47 @@
+/*
+ * File:	exception.h $XConsortium: exception.h /main/3 1995/10/26 16:12:07 rswiston $
+ *
+ * (c) Copyright 1993, 1994 Hewlett-Packard Company
+ * (c) Copyright 1993, 1994 International Business Machines Corp.
+ * (c) Copyright 1993, 1994 Sun Microsystems, Inc.
+ * (c) Copyright 1993, 1994 Novell, Inc.
+ */
+/* C++ exception handler package */
+
+#ifndef __EXCEPTION_H_
+#define __EXCEPTION_H_
+
+#include <stddef.h>
+#include <setjmp.h>
+
+
+typedef const char *const Exception;
+
+class _Exception
+{
+	char raised, accepted;
+	_Exception *prev;
+public:
+	const char *val;
+	jmp_buf buf;
+
+	_Exception();
+	~_Exception();
+	int accept(Exception val);
+	int recover();
+	void raise(Exception val);
+};
+extern _Exception *_curr_exception;
+extern void _raise_exception(Exception val);
+
+#define TRY _Exception _new_exception; if (setjmp(_new_exception.buf) == 0)
+#define RECOVER else if (_new_exception.recover())
+#define HANDLE(val) else if (_new_exception.accept(val))
+#define RAISE(val) _raise_exception(val)
+#define EXCEPTION (_curr_exception != NULL ? _curr_exception->val : NULL)
+
+
+#endif /* __EXCEPTION_H_ */
+/*
+@(#)REV: 2.18 90/12/13                                               
+*/