diff options
Diffstat (limited to 'gcc/ada/s-exctab.ads')
| -rw-r--r-- | gcc/ada/s-exctab.ads | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/gcc/ada/s-exctab.ads b/gcc/ada/s-exctab.ads index 10789dca825..592670672b1 100644 --- a/gcc/ada/s-exctab.ads +++ b/gcc/ada/s-exctab.ads @@ -6,7 +6,7 @@ -- -- -- S p e c -- -- -- --- Copyright (C) 1996-1999 Free Software Foundation, Inc. -- +-- Copyright (C) 1996-2003 Free Software Foundation, Inc. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- @@ -31,6 +31,10 @@ -- -- ------------------------------------------------------------------------------ +-- This package implements the interface used to maintain a table of +-- registered exception names, for the implementation of the mapping +-- of names to exceptions (used for exception streams and attributes) + with System.Standard_Library; package System.Exception_Table is @@ -40,10 +44,32 @@ pragma Elaborate_Body; procedure Register_Exception (X : SSL.Exception_Data_Ptr); pragma Inline (Register_Exception); - -- Register an exception in the hash table mapping + -- Register an exception in the hash table mapping. This function is + -- called during elaboration of library packages. For exceptions that + -- are declared within subprograms, the registration occurs the first + -- time that an exception is elaborated during a call of the subprogram. + -- + -- Note: all calls to Register_Exception other than those to register the + -- predefined exceptions are suppressed if the application is compiled + -- with pragma Restrictions (No_Exception_Registration). - function Internal_Exception (X : String) return SSL.Exception_Data_Ptr; + function Internal_Exception + (X : String; + Create_If_Not_Exist : Boolean := True) return SSL.Exception_Data_Ptr; -- Given an exception_name X, returns a pointer to the actual internal - -- exception data. + -- exception data. A new entry is created in the table if X does not + -- exist yet and Create_If_Not_Exist is True. If it is false and X + -- does not exist yet, null is returned. + + function Registered_Exceptions_Count return Natural; + -- Return the number of currently registered exceptions. + + type Exception_Data_Array is array (Natural range <>) + of SSL.Exception_Data_Ptr; + + procedure Get_Registered_Exceptions + (List : out Exception_Data_Array; + Last : out Integer); + -- Return the list of registered exceptions. end System.Exception_Table; |