71 lines
4.0 KiB
Ada
71 lines
4.0 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- I M P U N I T --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 2000-2009, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING3. If not, go to --
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-- http://www.gnu.org/licenses for a complete copy of the license. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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-- This package contains data and functions used to determine if a given
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-- unit is an internal unit intended only for use by the implementation
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-- and which should not be directly WITH'ed by user code. It also checks
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-- for Ada 05 units that should only be WITH'ed in Ada 05 mode.
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with Types; use Types;
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package Impunit is
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type Kind_Of_Unit is
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(Implementation_Unit,
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-- Unit from predefined library intended to be used only by the
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-- compiler generated code, or from the implementation of the run time.
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-- Use of such a unit generates a warning unless the client is compiled
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-- with the -gnatg switch. If we are being super strict, this should be
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-- an error for the case of Ada units, but that seems over strenuous.
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Not_Predefined_Unit,
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-- This is not a predefined unit, so no checks are needed
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Ada_95_Unit,
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-- This unit is defined in the Ada 95 RM, and can be freely with'ed
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-- in both Ada 95 mode and Ada 05 mode. Note that in Ada 83 mode, no
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-- child units are allowed, so you can't even name such a unit.
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Ada_05_Unit);
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-- This unit is defined in the Ada 05 RM. Withing this unit from a
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-- Ada 95 mode program will generate a warning (again, strictly speaking
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-- this should be an error, but that seems over-strenuous).
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function Get_Kind_Of_Unit (U : Unit_Number_Type) return Kind_Of_Unit;
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-- Given the unit number of a unit, this function determines the type
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-- of the unit, as defined above. If the result is Implementation_Unit,
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-- then the name of a possible atlernative equivalent unit is placed in
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-- Error_Msg_String/Slen on return. If there is no alternative name, or
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-- if the result is not Implementation_Unit, then Error_Msg_Slen is zero
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-- on return, indicating that no alternative name was found.
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function Is_Known_Unit (Nam : Node_Id) return Boolean;
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-- Nam is the possible name of a child unit, represented as a selected
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-- component node. This function determines whether the name matches
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-- one of the known library units, and if so, returns True. If the name
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-- does not match any known library unit, False is returned.
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end Impunit;
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