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Diffstat (limited to 'gcc-4.4.3/gcc/ada/impunit.ads')
| -rw-r--r-- | gcc-4.4.3/gcc/ada/impunit.ads | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gcc-4.4.3/gcc/ada/impunit.ads b/gcc-4.4.3/gcc/ada/impunit.ads new file mode 100644 index 000000000..f5a706d43 --- /dev/null +++ b/gcc-4.4.3/gcc/ada/impunit.ads @@ -0,0 +1,66 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- I M P U N I T -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 2000-2007, 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- -- +-- ware Foundation; either version 3, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING3. If not, go to -- +-- http://www.gnu.org/licenses for a complete copy of the license. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +-- This package contains data and functions used to determine if a given +-- unit is an internal unit intended only for use by the implementation +-- and which should not be directly WITH'ed by user code. It also checks +-- for Ada 05 units that should only be WITH'ed in Ada 05 mode. + +with Types; use Types; + +package Impunit is + + type Kind_Of_Unit is + (Implementation_Unit, + -- Unit from predefined library intended to be used only by the + -- compiler generated code, or from the implementation of the run time. + -- Use of such a unit generates a warning unless the client is compiled + -- with the -gnatg switch. If we are being super strict, this should be + -- an error for the case of Ada units, but that seems over strenuous. + + Not_Predefined_Unit, + -- This is not a predefined unit, so no checks are needed + + Ada_95_Unit, + -- This unit is defined in the Ada 95 RM, and can be freely with'ed + -- in both Ada 95 mode and Ada 05 mode. Note that in Ada 83 mode, no + -- child units are allowed, so you can't even name such a unit. + + Ada_05_Unit); + -- This unit is defined in the Ada 05 RM. Withing this unit from a + -- Ada 95 mode program will generate a warning (again, strictly speaking + -- this should be an error, but that seems over-strenuous). + + function Get_Kind_Of_Unit (U : Unit_Number_Type) return Kind_Of_Unit; + -- Given the unit number of a unit, this function determines the type + -- of the unit, as defined above. + + function Is_Known_Unit (Nam : Node_Id) return Boolean; + -- Nam is the possible name of a child unit, represented as a selected + -- component node. This function determines whether the name matches + -- one of the known library units, and if so, returns True. If the name + -- does not match any known library unit, False is returned. + +end Impunit; |