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-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- I M P U N I T --
-- --
-- B o d y --
-- --
-- Copyright (C) 2000-2013, 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. --
-- --
------------------------------------------------------------------------------
with Atree; use Atree;
with Errout; use Errout;
with Sinfo; use Sinfo;
with Fname.UF; use Fname.UF;
with Lib; use Lib;
with Namet; use Namet;
with Opt; use Opt;
with Uname; use Uname;
-- Note: this package body is used by GPS and GNATBench to supply a list of
-- entries for help on available library routines.
package body Impunit is
subtype File_Name_8 is String (1 .. 8);
type File_Name_Record is record
Fname : File_Name_8;
-- 8 character name of unit
RMdef : Boolean;
-- True if unit is RM defined. False for any unit that is implementation
-- defined (and thus not with'able in No_Implementation_Units mode).
end record;
type File_List is array (Nat range <>) of File_Name_Record;
T : constant Boolean := True;
F : constant Boolean := False;
-- Short hand for RM_Defined values in lists below
------------------
-- Ada 95 Units --
------------------
-- The following is a giant string list containing the names of all non-
-- implementation internal files, i.e. the complete list of files for
-- internal units which a program may legitimately WITH when operating in
-- either Ada 95 or Ada 2005 mode.
-- Note that this list should match the list of units documented in the
-- "GNAT Library" section of the GNAT Reference Manual. A unit listed here
-- must either be documented in that section or described in the Ada RM.
Non_Imp_File_Names_95 : constant File_List := (
------------------------------------------------------
-- Ada Hierarchy Units from Ada-95 Reference Manual --
------------------------------------------------------
("a-astaco", T), -- Ada.Asynchronous_Task_Control
("a-calend", T), -- Ada.Calendar
("a-chahan", T), -- Ada.Characters.Handling
("a-charac", T), -- Ada.Characters
("a-chlat1", T), -- Ada.Characters.Latin_1
("a-comlin", T), -- Ada.Command_Line
("a-decima", T), -- Ada.Decimal
("a-direio", T), -- Ada.Direct_IO
("a-dynpri", T), -- Ada.Dynamic_Priorities
("a-except", T), -- Ada.Exceptions
("a-finali", T), -- Ada.Finalization
("a-flteio", T), -- Ada.Float_Text_IO
("a-fwteio", T), -- Ada.Float_Wide_Text_IO
("a-inteio", T), -- Ada.Integer_Text_IO
("a-interr", T), -- Ada.Interrupts
("a-intnam", T), -- Ada.Interrupts.Names
("a-ioexce", T), -- Ada.IO_Exceptions
("a-iwteio", T), -- Ada.Integer_Wide_Text_IO
("a-ncelfu", T), -- Ada.Numerics.Complex_Elementary_Functions
("a-ngcefu", T), -- Ada.Numerics.Generic_Complex_Elementary_Functions
("a-ngcoty", T), -- Ada.Numerics.Generic_Complex_Types
("a-ngelfu", T), -- Ada.Numerics.Generic_Elementary_Functions
("a-nucoty", T), -- Ada.Numerics.Complex_Types
("a-nudira", T), -- Ada.Numerics.Discrete_Random
("a-nuelfu", T), -- Ada.Numerics.Elementary_Functions
("a-nuflra", T), -- Ada.Numerics.Float_Random
("a-numeri", T), -- Ada.Numerics
("a-reatim", T), -- Ada.Real_Time
("a-sequio", T), -- Ada.Sequential_IO
("a-stmaco", T), -- Ada.Strings.Maps.Constants
("a-storio", T), -- Ada.Storage_IO
("a-strbou", T), -- Ada.Strings.Bounded
("a-stream", T), -- Ada.Streams
("a-strfix", T), -- Ada.Strings.Fixed
("a-string", T), -- Ada.Strings
("a-strmap", T), -- Ada.Strings.Maps
("a-strunb", T), -- Ada.Strings.Unbounded
("a-ststio", T), -- Ada.Streams.Stream_IO
("a-stwibo", T), -- Ada.Strings.Wide_Bounded
("a-stwifi", T), -- Ada.Strings.Wide_Fixed
("a-stwima", T), -- Ada.Strings.Wide_Maps
("a-stwiun", T), -- Ada.Strings.Wide_Unbounded
("a-swmwco", T), -- Ada.Strings.Wide_Maps.Wide_Constants
("a-sytaco", T), -- Ada.Synchronous_Task_Control
("a-tags ", T), -- Ada.Tags
("a-tasatt", T), -- Ada.Task_Attributes
("a-taside", T), -- Ada.Task_Identification
("a-teioed", T), -- Ada.Text_IO.Editing
("a-textio", T), -- Ada.Text_IO
("a-ticoio", T), -- Ada.Text_IO.Complex_IO
("a-titest", T), -- Ada.Text_IO.Text_Streams
("a-unccon", T), -- Ada.Unchecked_Conversion
("a-uncdea", T), -- Ada.Unchecked_Deallocation
("a-witeio", T), -- Ada.Wide_Text_IO
("a-wtcoio", T), -- Ada.Wide_Text_IO.Complex_IO
("a-wtedit", T), -- Ada.Wide_Text_IO.Editing
("a-wttest", T), -- Ada.Wide_Text_IO.Text_Streams
-------------------------------------------------
-- RM Required Additions to Ada for GNAT Types --
-------------------------------------------------
-- Note: Long versions are considered RM defined, but not the Long Long,
-- Short, or Short_Short versions.
("a-lfteio", T), -- Ada.Long_Float_Text_IO
("a-lfwtio", T), -- Ada.Long_Float_Wide_Text_IO
("a-liteio", T), -- Ada.Long_Integer_Text_IO
("a-liwtio", T), -- Ada.Long_Integer_Wide_Text_IO
("a-llftio", T), -- Ada.Long_Long_Float_Text_IO
("a-llfwti", T), -- Ada.Long_Long_Float_Wide_Text_IO
("a-llitio", T), -- Ada.Long_Long_Integer_Text_IO
("a-lliwti", F), -- Ada.Long_Long_Integer_Wide_Text_IO
("a-nlcefu", F), -- Ada.Long_Complex_Elementary_Functions
("a-nlcoty", T), -- Ada.Numerics.Long_Complex_Types
("a-nlelfu", T), -- Ada.Numerics.Long_Elementary_Functions
("a-nllcef", F), -- Ada.Long_Long_Complex_Elementary_Functions
("a-nllefu", F), -- Ada.Numerics.Long_Long_Elementary_Functions
("a-nllcty", F), -- Ada.Numerics.Long_Long_Complex_Types
("a-nscefu", F), -- Ada.Short_Complex_Elementary_Functions
("a-nscoty", F), -- Ada.Numerics.Short_Complex_Types
("a-nselfu", F), -- Ada.Numerics.Short_Elementary_Functions
("a-sfteio", F), -- Ada.Short_Float_Text_IO
("a-sfwtio", F), -- Ada.Short_Float_Wide_Text_IO
("a-siteio", F), -- Ada.Short_Integer_Text_IO
("a-siwtio", F), -- Ada.Short_Integer_Wide_Text_IO
("a-ssitio", F), -- Ada.Short_Short_Integer_Text_IO
("a-ssiwti", F), -- Ada.Short_Short_Integer_Wide_Text_IO
-----------------------------------
-- GNAT Defined Additions to Ada --
-----------------------------------
("a-calcon", F), -- Ada.Calendar.Conversions
("a-chlat9", F), -- Ada.Characters.Latin_9
("a-clrefi", F), -- Ada.Command_Line.Response_File
("a-colien", F), -- Ada.Command_Line.Environment
("a-colire", F), -- Ada.Command_Line.Remove
("a-cwila1", F), -- Ada.Characters.Wide_Latin_1
("a-cwila9", F), -- Ada.Characters.Wide_Latin_9
("a-diocst", F), -- Ada.Direct_IO.C_Streams
("a-einuoc", F), -- Ada.Exceptions.Is_Null_Occurrence
("a-elchha", F), -- Ada.Exceptions.Last_Chance_Handler
("a-exctra", F), -- Ada.Exceptions.Traceback
("a-siocst", F), -- Ada.Sequential_IO.C_Streams
("a-ssicst", F), -- Ada.Streams.Stream_IO.C_Streams
("a-suteio", F), -- Ada.Strings.Unbounded.Text_IO
("a-swuwti", F), -- Ada.Strings.Wide_Unbounded.Wide_Text_IO
("a-tiocst", F), -- Ada.Text_IO.C_Streams
("a-wtcstr", F), -- Ada.Wide_Text_IO.C_Streams
-- Note: strictly the next two should be Ada 2005 units, but it seems
-- harmless (and useful) to make then available in Ada 95 mode, since
-- they only deal with Wide_Character, not Wide_Wide_Character.
("a-wichun", F), -- Ada.Wide_Characters.Unicode
("a-widcha", F), -- Ada.Wide_Characters
-- Note: strictly the following should be Ada 2012 units, but it seems
-- harmless (and useful) to make then available in Ada 95 mode, since
-- they do not deal with Wide_Wide_Character.
("a-wichha", F), -- Ada.Wide_Characters.Handling
("a-stuten", F), -- Ada.Strings.UTF_Encoding
("a-suenco", F), -- Ada.Strings.UTF_Encoding.Conversions
("a-suenst", F), -- Ada.Strings.UTF_Encoding.Strings
("a-suewst", F), -- Ada.Strings.UTF_Encoding.Wide_Strings
---------------------------
-- GNAT Special IO Units --
---------------------------
-- As further explained elsewhere (see Sem_Ch10), the internal packages of
-- Text_IO and Wide_Text_IO are actually implemented as separate children,
-- but this fact is intended to be hidden from the user completely. Any
-- attempt to WITH one of these units will be diagnosed as an error later
-- on, but for now we do not consider these internal implementation units
-- (if we did, then we would get a junk warning which would be confusing
-- and unnecessary, given that we generate a clear error message).
("a-tideio", F), -- Ada.Text_IO.Decimal_IO
("a-tienio", F), -- Ada.Text_IO.Enumeration_IO
("a-tifiio", F), -- Ada.Text_IO.Fixed_IO
("a-tiflio", F), -- Ada.Text_IO.Float_IO
("a-tiinio", F), -- Ada.Text_IO.Integer_IO
("a-tiinio", F), -- Ada.Text_IO.Integer_IO
("a-timoio", F), -- Ada.Text_IO.Modular_IO
("a-wtdeio", F), -- Ada.Wide_Text_IO.Decimal_IO
("a-wtenio", F), -- Ada.Wide_Text_IO.Enumeration_IO
("a-wtfiio", F), -- Ada.Wide_Text_IO.Fixed_IO
("a-wtflio", F), -- Ada.Wide_Text_IO.Float_IO
("a-wtinio", F), -- Ada.Wide_Text_IO.Integer_IO
("a-wtmoio", F), -- Ada.Wide_Text_IO.Modular_IO
------------------------
-- GNAT Library Units --
------------------------
("g-altive", F), -- GNAT.Altivec
("g-altcon", F), -- GNAT.Altivec.Conversions
("g-alveop", F), -- GNAT.Altivec.Vector_Operations
("g-alvety", F), -- GNAT.Altivec.Vector_Types
("g-alvevi", F), -- GNAT.Altivec.Vector_Views
("g-arrspl", F), -- GNAT.Array_Split
("g-awk ", F), -- GNAT.AWK
("g-boubuf", F), -- GNAT.Bounded_Buffers
("g-boumai", F), -- GNAT.Bounded_Mailboxes
("g-bubsor", F), -- GNAT.Bubble_Sort
("g-busora", F), -- GNAT.Bubble_Sort_A
("g-busorg", F), -- GNAT.Bubble_Sort_G
("g-byorma", F), -- GNAT.Byte_Order_Mark
("g-bytswa", F), -- GNAT.Byte_Swapping
("g-calend", F), -- GNAT.Calendar
("g-catiio", F), -- GNAT.Calendar.Time_IO
("g-casuti", F), -- GNAT.Case_Util
("g-cgi ", F), -- GNAT.CGI
("g-cgicoo", F), -- GNAT.CGI.Cookie
("g-cgideb", F), -- GNAT.CGI.Debug
("g-comlin", F), -- GNAT.Command_Line
("g-comver", F), -- GNAT.Compiler_Version
("g-cppexc", F), -- GNAT.CPP_Exceptions
("g-crc32 ", F), -- GNAT.CRC32
("g-ctrl_c", F), -- GNAT.Ctrl_C
("g-curexc", F), -- GNAT.Current_Exception
("g-debpoo", F), -- GNAT.Debug_Pools
("g-debuti", F), -- GNAT.Debug_Utilities
("g-decstr", F), -- GNAT.Decode_String
("g-deutst", F), -- GNAT.Decode_UTF8_String
("g-dirope", F), -- GNAT.Directory_Operations
("g-diopit", F), -- GNAT.Directory_Operations.Iteration
("g-dynhta", F), -- GNAT.Dynamic_HTables
("g-dyntab", F), -- GNAT.Dynamic_Tables
("g-encstr", F), -- GNAT.Encode_String
("g-enutst", F), -- GNAT.Encode_UTF8_String
("g-excact", F), -- GNAT.Exception_Actions
("g-except", F), -- GNAT.Exceptions
("g-exctra", F), -- GNAT.Exception_Traces
("g-expect", F), -- GNAT.Expect
("g-exptty", F), -- GNAT.Expect.TTY
("g-flocon", F), -- GNAT.Float_Control
("g-heasor", F), -- GNAT.Heap_Sort
("g-hesora", F), -- GNAT.Heap_Sort_A
("g-hesorg", F), -- GNAT.Heap_Sort_G
("g-htable", F), -- GNAT.Htable
("g-io ", F), -- GNAT.IO
("g-io_aux", F), -- GNAT.IO_Aux
("g-locfil", F), -- GNAT.Lock_Files
("g-mbdira", F), -- GNAT.MBBS_Discrete_Random
("g-mbflra", F), -- GNAT.MBBS_Float_Random
("g-md5 ", F), -- GNAT.MD5
("g-memdum", F), -- GNAT.Memory_Dump
("g-moreex", F), -- GNAT.Most_Recent_Exception
("g-os_lib", F), -- GNAT.Os_Lib
("g-pehage", F), -- GNAT.Perfect_Hash_Generators
("g-rannum", F), -- GNAT.Random_Numbers
("g-regexp", F), -- GNAT.Regexp
("g-regist", F), -- GNAT.Registry
("g-regpat", F), -- GNAT.Regpat
("g-semaph", F), -- GNAT.Semaphores
("g-sercom", F), -- GNAT.Serial_Communications
("g-sestin", F), -- GNAT.Secondary_Stack_Info
("g-sha1 ", F), -- GNAT.SHA1
("g-sha224", F), -- GNAT.SHA224
("g-sha256", F), -- GNAT.SHA256
("g-sha384", F), -- GNAT.SHA384
("g-sha512", F), -- GNAT.SHA512
("g-signal", F), -- GNAT.Signals
("g-socket", F), -- GNAT.Sockets
("g-souinf", F), -- GNAT.Source_Info
("g-speche", F), -- GNAT.Spell_Checker
("g-spchge", F), -- GNAT.Spell_Checker_Generic
("g-spitbo", F), -- GNAT.Spitbol
("g-spipat", F), -- GNAT.Spitbol.Patterns
("g-sptabo", F), -- GNAT.Spitbol.Table_Boolean
("g-sptain", F), -- GNAT.Spitbol.Table_Integer
("g-sptavs", F), -- GNAT.Spitbol.Table_Vstring
("g-string", F), -- GNAT.Strings
("g-strspl", F), -- GNAT.String_Split
("g-sse ", F), -- GNAT.SSE
("g-ssvety", F), -- GNAT.SSE.Vector_Types
("g-table ", F), -- GNAT.Table
("g-tasloc", F), -- GNAT.Task_Lock
("g-tastus", F), -- GNAT.Task_Stack_Usage
("g-thread", F), -- GNAT.Threads
("g-timsta", F), -- GNAT.Time_Stamp
("g-traceb", F), -- GNAT.Traceback
("g-trasym", F), -- GNAT.Traceback.Symbolic
("g-tty ", F), -- GNAT.TTY
("g-utf_32", F), -- GNAT.UTF_32
("g-u3spch", F), -- GNAT.UTF_32_Spelling_Checker
("g-wispch", F), -- GNAT.Wide_Spelling_Checker
("g-wistsp", F), -- GNAT.Wide_String_Split
-----------------------------------------------------
-- Interface Hierarchy Units from Reference Manual --
-----------------------------------------------------
("i-c ", T), -- Interfaces.C
("i-cobol ", T), -- Interfaces.Cobol
("i-cpoint", T), -- Interfaces.C.Pointers
("i-cstrin", T), -- Interfaces.C.Strings
("i-fortra", T), -- Interfaces.Fortran
------------------------------------------
-- GNAT Defined Additions to Interfaces --
------------------------------------------
("i-cexten", F), -- Interfaces.C.Extensions
("i-cil ", F), -- Interfaces.CIL
("i-cilobj", F), -- Interfaces.CIL.Object
("i-cpp ", F), -- Interfaces.CPP
("i-cstrea", F), -- Interfaces.C.Streams
("i-java ", F), -- Interfaces.Java
("i-javjni", F), -- Interfaces.Java.JNI
("i-pacdec", F), -- Interfaces.Packed_Decimal
("i-vxwoio", F), -- Interfaces.VxWorks.IO
("i-vxwork", F), -- Interfaces.VxWorks
--------------------------------------------------
-- System Hierarchy Units from Reference Manual --
--------------------------------------------------
("s-atacco", T), -- System.Address_To_Access_Conversions
("s-maccod", T), -- System.Machine_Code
("s-rpc ", T), -- System.Rpc
("s-stoele", T), -- System.Storage_Elements
("s-stopoo", T), -- System.Storage_Pools
--------------------------------------
-- GNAT Defined Additions to System --
--------------------------------------
("s-addima", F), -- System.Address_Image
("s-assert", F), -- System.Assertions
("s-diflio", F), -- System.Dim.Float_IO
("s-diinio", F), -- System.Dim.Integer_IO
("s-dimkio", F), -- System.Dim.Mks_IO
("s-dimmks", F), -- System.Dim.Mks
("s-dmotpr", F), -- System.Dim.Mks.Other_Prefixes
("s-memory", F), -- System.Memory
("s-parint", F), -- System.Partition_Interface
("s-pooglo", F), -- System.Pool_Global
("s-pooloc", F), -- System.Pool_Local
("s-restri", F), -- System.Restrictions
("s-rident", F), -- System.Rident
("s-ststop", F), -- System.Strings.Stream_Ops
("s-tasinf", F), -- System.Task_Info
("s-wchcnv", F), -- System.Wch_Cnv
("s-wchcon", F), -- System.Wch_Con
-- The following are strictly speaking Ada 2012 units, but we are allowed
-- to add children to system, so we consider them to be implementation
-- defined additions to System in earlier versions of Ada.
("s-multip", T), -- System.Multiprocessors
("s-mudido", T)); -- System.Multiprocessors.Dispatching_Domains
--------------------
-- Ada 2005 Units --
--------------------
-- The following units should be used only in Ada 05 mode
Non_Imp_File_Names_05 : constant File_List := (
--------------------------------------------------------
-- Ada Hierarchy Units from Ada 2005 Reference Manual --
--------------------------------------------------------
("a-assert", T), -- Ada.Assertions
("a-calari", T), -- Ada.Calendar.Arithmetic
("a-calfor", T), -- Ada.Calendar.Formatting
("a-catizo", T), -- Ada.Calendar.Time_Zones
("a-cdlili", T), -- Ada.Containers.Doubly_Linked_Lists
("a-cgarso", T), -- Ada.Containers.Generic_Array_Sort
("a-cgcaso", T), -- Ada.Containers.Generic_Constrained_Array_Sort
("a-chacon", T), -- Ada.Characters.Conversions
("a-cidlli", T), -- Ada.Containers.Indefinite_Doubly_Linked_Lists
("a-cihama", T), -- Ada.Containers.Indefinite_Hashed_Maps
("a-cihase", T), -- Ada.Containers.Indefinite_Hashed_Sets
("a-ciorma", T), -- Ada.Containers.Indefinite_Ordered_Maps
("a-ciorse", T), -- Ada.Containers.Indefinite_Ordered_Sets
("a-cohama", T), -- Ada.Containers.Hashed_Maps
("a-cohase", T), -- Ada.Containers.Hashed_Sets
("a-coinve", T), -- Ada.Containers.Indefinite_Vectors
("a-contai", T), -- Ada.Containers
("a-convec", T), -- Ada.Containers.Vectors
("a-coorma", T), -- Ada.Containers.Ordered_Maps
("a-coorse", T), -- Ada.Containers.Ordered_Sets
("a-coteio", T), -- Ada.Complex_Text_IO
("a-direct", T), -- Ada.Directories
("a-diroro", T), -- Ada.Dispatching.Round_Robin
("a-disedf", T), -- Ada.Dispatching.EDF
("a-dispat", T), -- Ada.Dispatching
("a-envvar", T), -- Ada.Environment_Variables
("a-etgrbu", T), -- Ada.Execution_Time.Group_Budgets
("a-exetim", T), -- Ada.Execution_Time
("a-extiti", T), -- Ada.Execution_Time.Timers
("a-izteio", T), -- Ada.Integer_Wide_Wide_Text_IO
("a-rttiev", T), -- Ada.Real_Time.Timing_Events
("a-ngcoar", T), -- Ada.Numerics.Generic_Complex_Arrays
("a-ngrear", T), -- Ada.Numerics.Generic_Real_Arrays
("a-nucoar", T), -- Ada.Numerics.Complex_Arrays
("a-nurear", T), -- Ada.Numerics.Real_Arrays
("a-stboha", T), -- Ada.Strings.Bounded.Hash
("a-stfiha", T), -- Ada.Strings.Fixed.Hash
("a-strhas", T), -- Ada.Strings.Hash
("a-stunha", T), -- Ada.Strings.Unbounded.Hash
("a-stwiha", T), -- Ada.Strings.Wide_Hash
("a-stzbou", T), -- Ada.Strings.Wide_Wide_Bounded
("a-stzfix", T), -- Ada.Strings.Wide_Wide_Fixed
("a-stzhas", T), -- Ada.Strings.Wide_Wide_Hash
("a-stzmap", T), -- Ada.Strings.Wide_Wide_Maps
("a-stzunb", T), -- Ada.Strings.Wide_Wide_Unbounded
("a-swbwha", T), -- Ada.Strings.Wide_Bounded.Wide_Hash
("a-swfwha", T), -- Ada.Strings.Wide_Fixed.Wide_Hash
("a-swuwha", T), -- Ada.Strings.Wide_Unbounded.Wide_Hash
("a-szbzha", T), -- Ada.Strings.Wide_Wide_Bounded.Wide_Wide_Hash
("a-szfzha", T), -- Ada.Strings.Wide_Wide_Fixed.Wide_Wide_Hash
("a-szmzco", T), -- Ada.Strings.Wide_Wide_Maps.Wide_Wide_Constants
("a-szuzha", T), -- Ada.Strings.Wide_Wide_Unbounded.Wide_Wide_Hash
("a-taster", T), -- Ada.Task_Termination
("a-tgdico", T), -- Ada.Tags.Generic_Dispatching_Constructor
("a-tiboio", T), -- Ada.Text_IO.Bounded_IO
("a-tiunio", T), -- Ada.Text_IO.Unbounded_IO
("a-wichun", T), -- Ada.Wide_Characters.Unicode
("a-wwboio", T), -- Ada.Wide_Text_IO.Wide_Bounded_IO
("a-wwunio", T), -- Ada.Wide_Text_IO.Wide_Unbounded_IO
("a-zchara", T), -- Ada.Wide_Wide_Characters
("a-zchhan", T), -- Ada.Wide_Wide_Characters.Handling
("a-ztcoio", T), -- Ada.Wide_Wide_Text_IO.Complex_IO
("a-ztedit", T), -- Ada.Wide_Wide_Text_IO.Editing
("a-zttest", T), -- Ada.Wide_Wide_Text_IO.Text_Streams
("a-ztexio", T), -- Ada.Wide_Wide_Text_IO
("a-zzboio", T), -- Ada.Wide_Wide_Text_IO.Wide_Wide_Bounded_IO
("a-zzunio", T), -- Ada.Wide_Wide_Text_IO.Wide_Wide_Unbounded_IO
------------------------------------------------------
-- RM Required Additions to Ada 2005 for GNAT Types --
------------------------------------------------------
-- Note: Long versions are considered RM defined, but not the Long Long,
-- Short, or Short_Short versions.
("a-lcteio", T), -- Ada.Long_Complex_Text_IO
("a-lfztio", T), -- Ada.Long_Float_Wide_Wide_Text_IO
("a-liztio", T), -- Ada.Long_Integer_Wide_Wide_Text_IO
("a-llctio", T), -- Ada.Long_Long_Complex_Text_IO
("a-llfzti", T), -- Ada.Long_Long_Float_Wide_Wide_Text_IO
("a-llizti", T), -- Ada.Long_Long_Integer_Wide_Wide_Text_IO
("a-nlcoar", T), -- Ada.Numerics.Long_Complex_Arrays
("a-nllcar", T), -- Ada.Numerics.Long_Long_Complex_Arrays
("a-nllrar", T), -- Ada.Numerics.Long_Long_Real_Arrays
("a-nlrear", T), -- Ada.Numerics.Long_Real_Arrays
("a-scteio", F), -- Ada.Short_Complex_Text_IO
("a-sfztio", F), -- Ada.Short_Float_Wide_Wide_Text_IO
("a-siztio", F), -- Ada.Short_Integer_Wide_Wide_Text_IO
("a-ssizti", F), -- Ada.Short_Short_Integer_Wide_Wide_Text_IO
----------------------------------------
-- GNAT Defined Additions to Ada 2005 --
----------------------------------------
("a-cgaaso", F), -- Ada.Containers.Generic_Anonymous_Array_Sort
("a-chzla1", F), -- Ada.Characters.Wide_Wide_Latin_1
("a-chzla9", F), -- Ada.Characters.Wide_Wide_Latin_9
("a-ciormu", F), -- Ada.Containers.Indefinite_Ordered_Multisets
("a-coormu", F), -- Ada.Containers.Ordered_Multisets
("a-crdlli", F), -- Ada.Containers.Restricted_Doubly_Linked_Lists
("a-szuzti", F), -- Ada.Strings.Wide_Wide_Unbounded.Wide_Wide_Text_IO
("a-zchuni", F), -- Ada.Wide_Wide_Characters.Unicode
("a-ztcstr", F), -- Ada.Wide_Wide_Text_IO.C_Streams
-- Note: strictly the following should be Ada 2012 units, but it seems
-- harmless (and useful) to make then available in Ada 2005 mode.
("a-cogeso", T), -- Ada.Containers.Generic_Sort
("a-secain", T), -- Ada.Strings.Equal_Case_Insensitive
("a-shcain", T), -- Ada.Strings.Hash_Case_Insensitive
("a-slcain", T), -- Ada.Strings.Less_Case_Insensitive
("a-sfecin", T), -- Ada.Strings.Fixed.Equal_Case_Insensitive
("a-sfhcin", T), -- Ada.Strings.Fixed.Hash_Case_Insensitive
("a-sflcin", T), -- Ada.Strings.Fixed.Less_Case_Insensitive
("a-sbecin", T), -- Ada.Strings.Bounded.Equal_Case_Insensitive
("a-sbhcin", T), -- Ada.Strings.Bounded.Hash_Case_Insensitive
("a-sblcin", T), -- Ada.Strings.Bounded.Less_Case_Insensitive
("a-suecin", T), -- Ada.Strings.Unbounded.Equal_Case_Insensitive
("a-suhcin", T), -- Ada.Strings.Unbounded.Hash_Case_Insensitive
("a-sulcin", T), -- Ada.Strings.Unbounded.Less_Case_Insensitive
("a-suezst", T), -- Ada.Strings.UTF_Encoding.Wide_Wide_Strings
---------------------------
-- GNAT Special IO Units --
---------------------------
-- See Ada 95 section for further information. These packages are for the
-- implementation of the Wide_Wide_Text_IO generic packages.
("a-ztdeio", F), -- Ada.Wide_Wide_Text_IO.Decimal_IO
("a-ztenio", F), -- Ada.Wide_Wide_Text_IO.Enumeration_IO
("a-ztfiio", F), -- Ada.Wide_Wide_Text_IO.Fixed_IO
("a-ztflio", F), -- Ada.Wide_Wide_Text_IO.Float_IO
("a-ztinio", F), -- Ada.Wide_Wide_Text_IO.Integer_IO
("a-ztmoio", F), -- Ada.Wide_Wide_Text_IO.Modular_IO
------------------------
-- GNAT Library Units --
------------------------
("g-zspche", F), -- GNAT.Wide_Wide_Spelling_Checker
("g-zstspl", F)); -- GNAT.Wide_Wide_String_Split
--------------------
-- Ada 2012 Units --
--------------------
-- The following units should be used only in Ada 2012 mode
Non_Imp_File_Names_12 : constant File_List := (
("s-stposu", T), -- System.Storage_Pools.Subpools
("a-cobove", T), -- Ada.Containers.Bounded_Vectors
("a-cbdlli", T), -- Ada.Containers.Bounded_Doubly_Linked_Lists
("a-cborse", T), -- Ada.Containers.Bounded_Ordered_Sets
("a-cborma", T), -- Ada.Containers.Bounded_Ordered_Maps
("a-cbhase", T), -- Ada.Containers.Bounded_Hashed_Sets
("a-cbhama", T), -- Ada.Containers.Bounded_Hashed_Maps
("a-coinho", T), -- Ada.Containers.Indefinite_Holders
("a-comutr", T), -- Ada.Containers.Multiway_Trees
("a-cimutr", T), -- Ada.Containers.Indefinite_Multiway_Trees
("a-cbmutr", T), -- Ada.Containers.Bounded_Multiway_Trees
("a-csquin", T), -- Ada.Containers.Synchronized_Queue_Interfaces
("a-cusyqu", T), -- Ada.Containers.Unbounded_Synchronized_Queues
("a-cuprqu", T), -- Ada.Containers.Unbounded_Priority_Queues
("a-cbsyqu", T), -- Ada.Containers.Bounded_Synchronized_Queues
("a-cbprqu", T), -- Ada.Containers.Bounded_Priority_Queues
("a-extiin", T), -- Ada.Execution_Time.Interrupts
("a-iteint", T), -- Ada.Iterator_Interfaces
("a-locale", T), -- Ada.Locales
("a-synbar", T), -- Ada.Synchronous_Barriers
("a-undesu", T), -- Ada.Unchecked_Deallocate_Subpool
----------------------------------------
-- GNAT Defined Additions to Ada 2012 --
----------------------------------------
("a-cofove", F), -- Ada.Containers.Formal_Vectors
("a-cfdlli", F), -- Ada.Containers.Formal_Doubly_Linked_Lists
("a-cforse", F), -- Ada.Containers.Formal_Ordered_Sets
("a-cforma", F), -- Ada.Containers.Formal_Ordered_Maps
("a-cfhase", F), -- Ada.Containers.Formal_Hashed_Sets
("a-cfhama", F)); -- Ada.Containers.Formal_Hashed_Maps
-----------------------
-- Alternative Units --
-----------------------
-- For some implementation units, there is a unit in the GNAT library
-- that has identical functionality that is usable. If we have such a
-- case we record the appropriate Unit name in Error_Msg_String.
type Aunit_Record is record
Fname : String (1 .. 6);
Aname : String_Ptr;
end record;
-- Array of alternative unit names
Scasuti : aliased String := "GNAT.Case_Util";
Scrc32 : aliased String := "GNAT.CRC32";
Shtable : aliased String := "GNAT.HTable";
Sos_lib : aliased String := "GNAT.OS_Lib";
Sregexp : aliased String := "GNAT.Regexp";
Sregpat : aliased String := "GNAT.Regpat";
Sstring : aliased String := "GNAT.Strings";
Sstusta : aliased String := "GNAT.Task_Stack_Usage";
Stasloc : aliased String := "GNAT.Task_Lock";
Sutf_32 : aliased String := "GNAT.UTF_32";
-- Array giving mapping
Map_Array : constant array (1 .. 10) of Aunit_Record := (
("casuti", Scasuti'Access),
("crc32 ", Scrc32 'Access),
("htable", Shtable'Access),
("os_lib", Sos_lib'Access),
("regexp", Sregexp'Access),
("regpat", Sregpat'Access),
("string", Sstring'Access),
("stusta", Sstusta'Access),
("tasloc", Stasloc'Access),
("utf_32", Sutf_32'Access));
----------------------
-- Get_Kind_Of_Unit --
----------------------
function Get_Kind_Of_Unit (U : Unit_Number_Type) return Kind_Of_Unit is
Fname : constant File_Name_Type := Unit_File_Name (U);
begin
Error_Msg_Strlen := 0;
Get_Name_String (Fname);
-- Ada/System/Interfaces are all Ada 95 units
if (Name_Len = 7 and then Name_Buffer (1 .. 7) = "ada.ads")
or else
(Name_Len = 10 and then Name_Buffer (1 .. 10) = "system.ads")
or else
(Name_Len = 12 and then Name_Buffer (1 .. 12) = "interfac.ads")
then
return Ada_95_Unit;
end if;
-- If length of file name is greater than 12, not predefined. The value
-- 12 here is an 8 char name with extension .ads.
if Name_Len > 12 then
return Not_Predefined_Unit;
end if;
-- Not predefined if file name does not start with a- g- s- i-
if Name_Len < 3
or else Name_Buffer (2) /= '-'
or else (Name_Buffer (1) /= 'a'
and then
Name_Buffer (1) /= 'g'
and then
Name_Buffer (1) /= 'i'
and then
Name_Buffer (1) /= 's')
then
return Not_Predefined_Unit;
end if;
-- To be considered predefined, the file name must end in .ads or .adb.
-- File names with other extensions (coming from the use of non-standard
-- file naming schemes) can never be predefined.
-- Note that in the context of a compiler, the .adb case will never
-- arise. However it can arise for other tools, e.g. gnatprove uses
-- this routine to detect when a construct comes from an instance of
-- a generic defined in a predefined unit.
if Name_Buffer (Name_Len - 3 .. Name_Len) /= ".ads"
and then
Name_Buffer (Name_Len - 3 .. Name_Len) /= ".adb"
then
return Not_Predefined_Unit;
end if;
-- Otherwise normalize file name to 8 characters
Name_Len := Name_Len - 4;
while Name_Len < 8 loop
Name_Len := Name_Len + 1;
Name_Buffer (Name_Len) := ' ';
end loop;
-- See if name is in 95 list
for J in Non_Imp_File_Names_95'Range loop
if Name_Buffer (1 .. 8) = Non_Imp_File_Names_95 (J).Fname then
return Ada_95_Unit;
end if;
end loop;
-- See if name is in 2005 list
for J in Non_Imp_File_Names_05'Range loop
if Name_Buffer (1 .. 8) = Non_Imp_File_Names_05 (J).Fname then
return Ada_2005_Unit;
end if;
end loop;
-- See if name is in 2012 list
for J in Non_Imp_File_Names_12'Range loop
if Name_Buffer (1 .. 8) = Non_Imp_File_Names_12 (J).Fname then
return Ada_2012_Unit;
end if;
end loop;
-- Only remaining special possibilities are children of System.RPC and
-- System.Garlic and special files of the form System.Aux...
Get_Name_String (Unit_Name (U));
if Name_Len > 12
and then Name_Buffer (1 .. 11) = "system.rpc."
then
return Ada_95_Unit;
end if;
if Name_Len > 15
and then Name_Buffer (1 .. 14) = "system.garlic."
then
return Ada_95_Unit;
end if;
if Name_Len > 11
and then Name_Buffer (1 .. 10) = "system.aux"
then
return Ada_95_Unit;
end if;
-- All tests failed, this is definitely an implementation unit. See if
-- we have an alternative name.
Get_Name_String (Fname);
if Name_Len in 11 .. 12
and then Name_Buffer (1 .. 2) = "s-"
and then Name_Buffer (Name_Len - 3 .. Name_Len) = ".ads"
then
for J in Map_Array'Range loop
if (Name_Len = 12 and then
Name_Buffer (3 .. 8) = Map_Array (J).Fname)
or else
(Name_Len = 11 and then
Name_Buffer (3 .. 7) = Map_Array (J).Fname (1 .. 5))
then
Error_Msg_Strlen := Map_Array (J).Aname'Length;
Error_Msg_String (1 .. Error_Msg_Strlen) :=
Map_Array (J).Aname.all;
end if;
end loop;
end if;
return Implementation_Unit;
end Get_Kind_Of_Unit;
-------------------
-- Is_Known_Unit --
-------------------
function Is_Known_Unit (Nam : Node_Id) return Boolean is
Unam : Unit_Name_Type;
Fnam : File_Name_Type;
begin
-- If selector is not an identifier (e.g. it is a character literal or
-- some junk from a previous error), then definitely not a known unit.
if Nkind (Selector_Name (Nam)) /= N_Identifier then
return False;
end if;
-- Otherwise get corresponding file name
Unam := Get_Unit_Name (Nam);
Fnam := Get_File_Name (Unam, Subunit => False);
Get_Name_String (Fnam);
Error_Msg_Strlen := 0;
-- Ada/System/Interfaces are all Ada 95 units
if (Name_Len = 7 and then Name_Buffer (1 .. 7) = "ada.ads")
or else
(Name_Len = 10 and then Name_Buffer (1 .. 10) = "system.ads")
or else
(Name_Len = 12 and then Name_Buffer (1 .. 12) = "interfac.ads")
then
return True;
end if;
-- Remove extension from file name
if Name_Buffer (Name_Len - 3 .. Name_Len) = ".adb"
or else
Name_Buffer (Name_Len - 3 .. Name_Len) = ".ads"
then
Name_Len := Name_Len - 4;
else
return False;
end if;
-- Pad name to 8 characters
while Name_Len < 8 loop
Name_Len := Name_Len + 1;
Name_Buffer (Name_Len) := ' ';
end loop;
-- If length more than 8, definitely not a match
if Name_Len /= 8 then
return False;
end if;
-- If length is 8, search our tables
for J in Non_Imp_File_Names_95'Range loop
if Name_Buffer (1 .. 8) = Non_Imp_File_Names_95 (J).Fname then
return True;
end if;
end loop;
for J in Non_Imp_File_Names_05'Range loop
if Name_Buffer (1 .. 8) = Non_Imp_File_Names_05 (J).Fname then
return True;
end if;
end loop;
for J in Non_Imp_File_Names_12'Range loop
if Name_Buffer (1 .. 8) = Non_Imp_File_Names_12 (J).Fname then
return True;
end if;
end loop;
-- If not found, not known
return False;
-- A safety guard, if we get an exception during this processing then it
-- is most likely the result of a previous error, or a peculiar case we
-- have not thought of. Since this routine is only used for error message
-- refinement, we will just return False.
exception
when others =>
return False;
end Is_Known_Unit;
---------------------------
-- Not_Impl_Defined_Unit --
---------------------------
function Not_Impl_Defined_Unit (U : Unit_Number_Type) return Boolean is
Fname : constant File_Name_Type := Unit_File_Name (U);
begin
Error_Msg_Strlen := 0;
Get_Name_String (Fname);
-- Ada/System/Interfaces are all RM-defined Ada 95 units
if (Name_Len = 7 and then Name_Buffer (1 .. 7) = "ada.ads")
or else
(Name_Len = 10 and then Name_Buffer (1 .. 10) = "system.ads")
or else
(Name_Len = 12 and then Name_Buffer (1 .. 12) = "interfac.ads")
then
return True;
end if;
-- If length of file name is greater than 12, then it's a user unit
-- and not a GNAT implementation defined unit.
if Name_Len > 12 then
return True;
end if;
-- Implementation defined if unit in the gnat hierarchy
if (Name_Len = 8 and then Name_Buffer (1 .. 8) = "gnat.ads")
or else (Name_Len > 2 and then Name_Buffer (1 .. 2) = "g-")
then
return False;
end if;
-- Not implementation defined if file name does not start with a- s- i-
if Name_Len < 3
or else Name_Buffer (2) /= '-'
or else (Name_Buffer (1) /= 'a'
and then
Name_Buffer (1) /= 'i'
and then
Name_Buffer (1) /= 's')
then
return True;
end if;
-- Not impl-defined if file name does not end in .ads. This can happen
-- when non-standard file names are being used.
if Name_Buffer (Name_Len - 3 .. Name_Len) /= ".ads" then
return True;
end if;
-- Otherwise normalize file name to 8 characters
Name_Len := Name_Len - 4;
while Name_Len < 8 loop
Name_Len := Name_Len + 1;
Name_Buffer (Name_Len) := ' ';
end loop;
-- Check our lists of names, if we find a match, return corresponding
-- indication of whether the file is RM defined, respecting the RM
-- version in which it is defined.
for J in Non_Imp_File_Names_95'Range loop
if Name_Buffer (1 .. 8) = Non_Imp_File_Names_95 (J).Fname then
return Non_Imp_File_Names_95 (J).RMdef;
end if;
end loop;
for J in Non_Imp_File_Names_05'Range loop
if Name_Buffer (1 .. 8) = Non_Imp_File_Names_05 (J).Fname then
return Non_Imp_File_Names_05 (J).RMdef
and then Ada_Version >= Ada_2005;
end if;
end loop;
for J in Non_Imp_File_Names_12'Range loop
if Name_Buffer (1 .. 8) = Non_Imp_File_Names_12 (J).Fname then
return Non_Imp_File_Names_95 (J).RMdef
and then Ada_Version >= Ada_2012;
end if;
end loop;
-- If unit is in System, Ada or Interfaces hierarchies and did not match
-- any entry in the list, means it is an internal implementation defined
-- unit which the restriction should definition forbid.
return True;
end Not_Impl_Defined_Unit;
end Impunit;
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