| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- R I D E N T -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- $Revision$ |
| -- -- |
| -- Copyright (C) 1992-2001 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 2, 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 COPYING. If not, write -- |
| -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- |
| -- MA 02111-1307, USA. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- This package defines the set of restriction identifiers. It is in a |
| -- separate package from Restrict so that it can be easily used by the |
| -- binder without dragging in a lot of stuff. |
| |
| package Rident is |
| |
| -- The following enumeration type defines the set of restriction |
| -- identifiers not taking a parameter that are implemented in GNAT. |
| -- To add a new restriction identifier, add an entry with the name |
| -- to be used in the pragma, and add appropriate calls to the |
| -- Check_Restriction routine. |
| |
| type Restriction_Id is ( |
| |
| -- The following cases are checked for consistency in the binder |
| |
| Boolean_Entry_Barriers, -- GNAT (Ravenscar) |
| No_Abort_Statements, -- (RM D.7(5), H.4(3)) |
| No_Access_Subprograms, -- (RM H.4(17)) |
| No_Allocators, -- (RM H.4(7)) |
| No_Asynchronous_Control, -- (RM D.9(10)) |
| No_Calendar, -- GNAT |
| No_Delay, -- (RM H.4(21)) |
| No_Dispatch, -- (RM H.4(19)) |
| No_Dynamic_Interrupts, -- GNAT |
| No_Dynamic_Priorities, -- (RM D.9(9)) |
| No_Enumeration_Maps, -- GNAT |
| No_Entry_Calls_In_Elaboration_Code, -- GNAT |
| No_Entry_Queue, -- GNAT |
| No_Exception_Handlers, -- GNAT |
| No_Exceptions, -- (RM H.4(12)) |
| No_Fixed_Point, -- (RM H.4(15)) |
| No_Floating_Point, -- (RM H.4(14)) |
| No_IO, -- (RM H.4(20)) |
| No_Implicit_Conditionals, -- GNAT |
| No_Implicit_Dynamic_Code, -- GNAT |
| No_Implicit_Heap_Allocations, -- (RM D.8(8), H.4(3)) |
| No_Implicit_Loops, -- GNAT |
| No_Local_Allocators, -- (RM H.4(8)) |
| No_Local_Protected_Objects, -- GNAT |
| No_Nested_Finalization, -- (RM D.7(4)) |
| No_Protected_Type_Allocators, -- GNAT |
| No_Protected_Types, -- (RM H.4(5)) |
| No_Recursion, -- (RM H.4(22)) |
| No_Reentrancy, -- (RM H.4(23)) |
| No_Relative_Delay, -- GNAT |
| No_Requeue, -- GNAT |
| No_Secondary_Stack, -- GNAT |
| No_Select_Statements, -- GNAT (Ravenscar) |
| No_Standard_Storage_Pools, -- GNAT |
| No_Streams, -- GNAT |
| No_Task_Allocators, -- (RM D.7(7)) |
| No_Task_Attributes, -- GNAT |
| No_Task_Hierarchy, -- (RM D.7(3), H.4(3)) |
| No_Task_Termination, -- GNAT |
| No_Terminate_Alternatives, -- (RM D.7(6)) |
| No_Unchecked_Access, -- (RM H.4(18)) |
| No_Unchecked_Conversion, -- (RM H.4(16)) |
| No_Unchecked_Deallocation, -- (RM H.4(9)) |
| No_Wide_Characters, -- GNAT |
| Static_Priorities, -- GNAT |
| Static_Storage_Size, -- GNAT |
| |
| -- The following cases do not require partition-wide checks |
| |
| Immediate_Reclamation, -- (RM H.4(10)) |
| No_Implementation_Attributes, -- GNAT |
| No_Implementation_Pragmas, -- GNAT |
| No_Implementation_Restrictions, -- GNAT |
| No_Elaboration_Code, -- GNAT |
| |
| Not_A_Restriction_Id); |
| |
| -- The following range of Restriction identifiers is checked for |
| -- consistency across a partition. The generated ali file is marked |
| -- for each entry to show one of three possibilities: |
| -- |
| -- Corresponding restriction is set (so unit does not violate it) |
| -- Corresponding restriction is not violated |
| -- Corresponding restriction is violated |
| |
| subtype Partition_Restrictions is |
| Restriction_Id range Boolean_Entry_Barriers .. Static_Storage_Size; |
| |
| -- The following set of Restriction identifiers is not checked for |
| -- consistency across a partition, and the generated ali files does |
| -- not carry any indications with respect to such restrictions. |
| |
| subtype Compilation_Unit_Restrictions is |
| Restriction_Id range Immediate_Reclamation .. No_Elaboration_Code; |
| |
| -- The following enumeration type defines the set of restriction |
| -- parameter identifiers taking a parameter that are implemented in |
| -- GNAT. To add a new restriction parameter identifier, add an entry |
| -- with the name to be used in the pragma, and add appropriate |
| -- calls to Check_Restriction. |
| |
| -- Note: the GNAT implementation currently only accomodates restriction |
| -- parameter identifiers whose expression value is a non-negative |
| -- integer. This is true for all language defined parameters. |
| |
| type Restriction_Parameter_Id is ( |
| Max_Asynchronous_Select_Nesting, -- (RM D.7(18), H.4(3)) |
| Max_Entry_Queue_Depth, -- GNAT |
| Max_Protected_Entries, -- (RM D.7(14)) |
| Max_Select_Alternatives, -- (RM D.7(12)) |
| Max_Storage_At_Blocking, -- (RM D.7(17)) |
| Max_Task_Entries, -- (RM D.7(13), H.4(3)) |
| Max_Tasks, -- (RM D.7(19), H.4(3)) |
| Not_A_Restriction_Parameter_Id); |
| |
| end Rident; |
