1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 2000-2015, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING3. If not, go to --
19 -- http://www.gnu.org/licenses for a complete copy of the license. --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
24 ------------------------------------------------------------------------------
26 with Atree; use Atree;
27 with Errout; use Errout;
28 with Sinfo; use Sinfo;
29 with Fname.UF; use Fname.UF;
31 with Namet; use Namet;
33 with Uname; use Uname;
35 -- Note: this package body is used by GPS and GNATBench to supply a list of
36 -- entries for help on available library routines.
38 package body Impunit is
40 subtype File_Name_8 is String (1 .. 8);
42 type File_Name_Record is record
44 -- 8 character name of unit
47 -- True if unit is RM defined. False for any unit that is implementation
48 -- defined (and thus not with'able in No_Implementation_Units mode).
51 type File_List is array (Nat range <>) of File_Name_Record;
53 T : constant Boolean := True;
54 F : constant Boolean := False;
55 -- Short hand for RM_Defined values in lists below
61 -- The following is a giant string list containing the names of all non-
62 -- implementation internal files, i.e. the complete list of files for
63 -- internal units which a program may legitimately WITH when operating in
64 -- either Ada 95 or Ada 2005 mode.
66 -- Note that this list should match the list of units documented in the
67 -- "GNAT Library" section of the GNAT Reference Manual. A unit listed here
68 -- must either be documented in that section or described in the Ada RM.
70 Non_Imp_File_Names_95 : constant File_List := (
72 ------------------------------------------------------
73 -- Ada Hierarchy Units from Ada-95 Reference Manual --
74 ------------------------------------------------------
76 ("a-astaco", T), -- Ada.Asynchronous_Task_Control
77 ("a-calend", T), -- Ada.Calendar
78 ("a-chahan", T), -- Ada.Characters.Handling
79 ("a-charac", T), -- Ada.Characters
80 ("a-chlat1", T), -- Ada.Characters.Latin_1
81 ("a-comlin", T), -- Ada.Command_Line
82 ("a-decima", T), -- Ada.Decimal
83 ("a-direio", T), -- Ada.Direct_IO
84 ("a-dynpri", T), -- Ada.Dynamic_Priorities
85 ("a-except", T), -- Ada.Exceptions
86 ("a-finali", T), -- Ada.Finalization
87 ("a-flteio", T), -- Ada.Float_Text_IO
88 ("a-fwteio", T), -- Ada.Float_Wide_Text_IO
89 ("a-inteio", T), -- Ada.Integer_Text_IO
90 ("a-interr", T), -- Ada.Interrupts
91 ("a-intnam", T), -- Ada.Interrupts.Names
92 ("a-ioexce", T), -- Ada.IO_Exceptions
93 ("a-iwteio", T), -- Ada.Integer_Wide_Text_IO
94 ("a-ncelfu", T), -- Ada.Numerics.Complex_Elementary_Functions
95 ("a-ngcefu", T), -- Ada.Numerics.Generic_Complex_Elementary_Functions
96 ("a-ngcoty", T), -- Ada.Numerics.Generic_Complex_Types
97 ("a-ngelfu", T), -- Ada.Numerics.Generic_Elementary_Functions
98 ("a-nucoty", T), -- Ada.Numerics.Complex_Types
99 ("a-nudira", T), -- Ada.Numerics.Discrete_Random
100 ("a-nuelfu", T), -- Ada.Numerics.Elementary_Functions
101 ("a-nuflra", T), -- Ada.Numerics.Float_Random
102 ("a-numeri", T), -- Ada.Numerics
103 ("a-reatim", T), -- Ada.Real_Time
104 ("a-sequio", T), -- Ada.Sequential_IO
105 ("a-stmaco", T), -- Ada.Strings.Maps.Constants
106 ("a-storio", T), -- Ada.Storage_IO
107 ("a-strbou", T), -- Ada.Strings.Bounded
108 ("a-stream", T), -- Ada.Streams
109 ("a-strfix", T), -- Ada.Strings.Fixed
110 ("a-string", T), -- Ada.Strings
111 ("a-strmap", T), -- Ada.Strings.Maps
112 ("a-strunb", T), -- Ada.Strings.Unbounded
113 ("a-ststio", T), -- Ada.Streams.Stream_IO
114 ("a-stwibo", T), -- Ada.Strings.Wide_Bounded
115 ("a-stwifi", T), -- Ada.Strings.Wide_Fixed
116 ("a-stwima", T), -- Ada.Strings.Wide_Maps
117 ("a-stwiun", T), -- Ada.Strings.Wide_Unbounded
118 ("a-swmwco", T), -- Ada.Strings.Wide_Maps.Wide_Constants
119 ("a-sytaco", T), -- Ada.Synchronous_Task_Control
120 ("a-tags ", T), -- Ada.Tags
121 ("a-tasatt", T), -- Ada.Task_Attributes
122 ("a-taside", T), -- Ada.Task_Identification
123 ("a-teioed", T), -- Ada.Text_IO.Editing
124 ("a-textio", T), -- Ada.Text_IO
125 ("a-ticoio", T), -- Ada.Text_IO.Complex_IO
126 ("a-titest", T), -- Ada.Text_IO.Text_Streams
127 ("a-unccon", T), -- Ada.Unchecked_Conversion
128 ("a-uncdea", T), -- Ada.Unchecked_Deallocation
129 ("a-witeio", T), -- Ada.Wide_Text_IO
130 ("a-wtcoio", T), -- Ada.Wide_Text_IO.Complex_IO
131 ("a-wtedit", T), -- Ada.Wide_Text_IO.Editing
132 ("a-wttest", T), -- Ada.Wide_Text_IO.Text_Streams
134 -------------------------------------------------
135 -- RM Required Additions to Ada for GNAT Types --
136 -------------------------------------------------
138 -- Note: Long versions are considered RM defined, but not the Long Long,
139 -- Short, or Short_Short versions.
141 ("a-lfteio", T), -- Ada.Long_Float_Text_IO
142 ("a-lfwtio", T), -- Ada.Long_Float_Wide_Text_IO
143 ("a-liteio", T), -- Ada.Long_Integer_Text_IO
144 ("a-liwtio", T), -- Ada.Long_Integer_Wide_Text_IO
145 ("a-llftio", T), -- Ada.Long_Long_Float_Text_IO
146 ("a-llfwti", T), -- Ada.Long_Long_Float_Wide_Text_IO
147 ("a-llitio", T), -- Ada.Long_Long_Integer_Text_IO
148 ("a-lliwti", F), -- Ada.Long_Long_Integer_Wide_Text_IO
149 ("a-nlcefu", F), -- Ada.Long_Complex_Elementary_Functions
150 ("a-nlcoty", T), -- Ada.Numerics.Long_Complex_Types
151 ("a-nlelfu", T), -- Ada.Numerics.Long_Elementary_Functions
152 ("a-nllcef", F), -- Ada.Long_Long_Complex_Elementary_Functions
153 ("a-nllefu", F), -- Ada.Numerics.Long_Long_Elementary_Functions
154 ("a-nllcty", F), -- Ada.Numerics.Long_Long_Complex_Types
155 ("a-nscefu", F), -- Ada.Short_Complex_Elementary_Functions
156 ("a-nscoty", F), -- Ada.Numerics.Short_Complex_Types
157 ("a-nselfu", F), -- Ada.Numerics.Short_Elementary_Functions
158 ("a-sfteio", F), -- Ada.Short_Float_Text_IO
159 ("a-sfwtio", F), -- Ada.Short_Float_Wide_Text_IO
160 ("a-siteio", F), -- Ada.Short_Integer_Text_IO
161 ("a-siwtio", F), -- Ada.Short_Integer_Wide_Text_IO
162 ("a-ssitio", F), -- Ada.Short_Short_Integer_Text_IO
163 ("a-ssiwti", F), -- Ada.Short_Short_Integer_Wide_Text_IO
165 -----------------------------------
166 -- GNAT Defined Additions to Ada --
167 -----------------------------------
169 ("a-calcon", F), -- Ada.Calendar.Conversions
170 ("a-chlat9", F), -- Ada.Characters.Latin_9
171 ("a-clrefi", F), -- Ada.Command_Line.Response_File
172 ("a-colien", F), -- Ada.Command_Line.Environment
173 ("a-colire", F), -- Ada.Command_Line.Remove
174 ("a-cwila1", F), -- Ada.Characters.Wide_Latin_1
175 ("a-cwila9", F), -- Ada.Characters.Wide_Latin_9
176 ("a-diocst", F), -- Ada.Direct_IO.C_Streams
177 ("a-einuoc", F), -- Ada.Exceptions.Is_Null_Occurrence
178 ("a-elchha", F), -- Ada.Exceptions.Last_Chance_Handler
179 ("a-exctra", F), -- Ada.Exceptions.Traceback
180 ("a-siocst", F), -- Ada.Sequential_IO.C_Streams
181 ("a-ssicst", F), -- Ada.Streams.Stream_IO.C_Streams
182 ("a-suteio", F), -- Ada.Strings.Unbounded.Text_IO
183 ("a-swuwti", F), -- Ada.Strings.Wide_Unbounded.Wide_Text_IO
184 ("a-tiocst", F), -- Ada.Text_IO.C_Streams
185 ("a-wtcstr", F), -- Ada.Wide_Text_IO.C_Streams
187 -- Note: strictly the next two should be Ada 2005 units, but it seems
188 -- harmless (and useful) to make then available in Ada 95 mode, since
189 -- they only deal with Wide_Character, not Wide_Wide_Character.
191 ("a-wichun", F), -- Ada.Wide_Characters.Unicode
192 ("a-widcha", F), -- Ada.Wide_Characters
194 -- Note: strictly the following should be Ada 2012 units, but it seems
195 -- harmless (and useful) to make then available in Ada 95 mode, since
196 -- they do not deal with Wide_Wide_Character.
198 ("a-wichha", F), -- Ada.Wide_Characters.Handling
199 ("a-stuten", F), -- Ada.Strings.UTF_Encoding
200 ("a-suenco", F), -- Ada.Strings.UTF_Encoding.Conversions
201 ("a-suenst", F), -- Ada.Strings.UTF_Encoding.Strings
202 ("a-suewst", F), -- Ada.Strings.UTF_Encoding.Wide_Strings
204 ---------------------------
205 -- GNAT Special IO Units --
206 ---------------------------
208 -- As further explained elsewhere (see Sem_Ch10), the internal packages of
209 -- Text_IO and Wide_Text_IO are actually implemented as separate children,
210 -- but this fact is intended to be hidden from the user completely. Any
211 -- attempt to WITH one of these units will be diagnosed as an error later
212 -- on, but for now we do not consider these internal implementation units
213 -- (if we did, then we would get a junk warning which would be confusing
214 -- and unnecessary, given that we generate a clear error message).
216 ("a-tideio", F), -- Ada.Text_IO.Decimal_IO
217 ("a-tienio", F), -- Ada.Text_IO.Enumeration_IO
218 ("a-tifiio", F), -- Ada.Text_IO.Fixed_IO
219 ("a-tiflio", F), -- Ada.Text_IO.Float_IO
220 ("a-tiinio", F), -- Ada.Text_IO.Integer_IO
221 ("a-tiinio", F), -- Ada.Text_IO.Integer_IO
222 ("a-timoio", F), -- Ada.Text_IO.Modular_IO
223 ("a-wtdeio", F), -- Ada.Wide_Text_IO.Decimal_IO
224 ("a-wtenio", F), -- Ada.Wide_Text_IO.Enumeration_IO
225 ("a-wtfiio", F), -- Ada.Wide_Text_IO.Fixed_IO
226 ("a-wtflio", F), -- Ada.Wide_Text_IO.Float_IO
227 ("a-wtinio", F), -- Ada.Wide_Text_IO.Integer_IO
228 ("a-wtmoio", F), -- Ada.Wide_Text_IO.Modular_IO
230 ------------------------
231 -- GNAT Library Units --
232 ------------------------
234 ("g-altive", F), -- GNAT.Altivec
235 ("g-altcon", F), -- GNAT.Altivec.Conversions
236 ("g-alveop", F), -- GNAT.Altivec.Vector_Operations
237 ("g-alvety", F), -- GNAT.Altivec.Vector_Types
238 ("g-alvevi", F), -- GNAT.Altivec.Vector_Views
239 ("g-arrspl", F), -- GNAT.Array_Split
240 ("g-awk ", F), -- GNAT.AWK
241 ("g-boubuf", F), -- GNAT.Bounded_Buffers
242 ("g-boumai", F), -- GNAT.Bounded_Mailboxes
243 ("g-bubsor", F), -- GNAT.Bubble_Sort
244 ("g-busora", F), -- GNAT.Bubble_Sort_A
245 ("g-busorg", F), -- GNAT.Bubble_Sort_G
246 ("g-byorma", F), -- GNAT.Byte_Order_Mark
247 ("g-bytswa", F), -- GNAT.Byte_Swapping
248 ("g-calend", F), -- GNAT.Calendar
249 ("g-catiio", F), -- GNAT.Calendar.Time_IO
250 ("g-casuti", F), -- GNAT.Case_Util
251 ("g-cgi ", F), -- GNAT.CGI
252 ("g-cgicoo", F), -- GNAT.CGI.Cookie
253 ("g-cgideb", F), -- GNAT.CGI.Debug
254 ("g-comlin", F), -- GNAT.Command_Line
255 ("g-comver", F), -- GNAT.Compiler_Version
256 ("g-cppexc", F), -- GNAT.CPP_Exceptions
257 ("g-crc32 ", F), -- GNAT.CRC32
258 ("g-ctrl_c", F), -- GNAT.Ctrl_C
259 ("g-curexc", F), -- GNAT.Current_Exception
260 ("g-debpoo", F), -- GNAT.Debug_Pools
261 ("g-debuti", F), -- GNAT.Debug_Utilities
262 ("g-decstr", F), -- GNAT.Decode_String
263 ("g-deutst", F), -- GNAT.Decode_UTF8_String
264 ("g-dirope", F), -- GNAT.Directory_Operations
265 ("g-diopit", F), -- GNAT.Directory_Operations.Iteration
266 ("g-dynhta", F), -- GNAT.Dynamic_HTables
267 ("g-dyntab", F), -- GNAT.Dynamic_Tables
268 ("g-encstr", F), -- GNAT.Encode_String
269 ("g-enutst", F), -- GNAT.Encode_UTF8_String
270 ("g-excact", F), -- GNAT.Exception_Actions
271 ("g-except", F), -- GNAT.Exceptions
272 ("g-exctra", F), -- GNAT.Exception_Traces
273 ("g-expect", F), -- GNAT.Expect
274 ("g-exptty", F), -- GNAT.Expect.TTY
275 ("g-flocon", F), -- GNAT.Float_Control
276 ("g-forstr", F), -- GNAT.Formatted_String
277 ("g-heasor", F), -- GNAT.Heap_Sort
278 ("g-hesora", F), -- GNAT.Heap_Sort_A
279 ("g-hesorg", F), -- GNAT.Heap_Sort_G
280 ("g-htable", F), -- GNAT.Htable
281 ("g-io ", F), -- GNAT.IO
282 ("g-io_aux", F), -- GNAT.IO_Aux
283 ("g-locfil", F), -- GNAT.Lock_Files
284 ("g-mbdira", F), -- GNAT.MBBS_Discrete_Random
285 ("g-mbflra", F), -- GNAT.MBBS_Float_Random
286 ("g-md5 ", F), -- GNAT.MD5
287 ("g-memdum", F), -- GNAT.Memory_Dump
288 ("g-moreex", F), -- GNAT.Most_Recent_Exception
289 ("g-os_lib", F), -- GNAT.Os_Lib
290 ("g-pehage", F), -- GNAT.Perfect_Hash_Generators
291 ("g-rannum", F), -- GNAT.Random_Numbers
292 ("g-regexp", F), -- GNAT.Regexp
293 ("g-regist", F), -- GNAT.Registry
294 ("g-regpat", F), -- GNAT.Regpat
295 ("g-rewdat", F), -- GNAT.Rewrite_Data
296 ("g-semaph", F), -- GNAT.Semaphores
297 ("g-sercom", F), -- GNAT.Serial_Communications
298 ("g-sestin", F), -- GNAT.Secondary_Stack_Info
299 ("g-sha1 ", F), -- GNAT.SHA1
300 ("g-sha224", F), -- GNAT.SHA224
301 ("g-sha256", F), -- GNAT.SHA256
302 ("g-sha384", F), -- GNAT.SHA384
303 ("g-sha512", F), -- GNAT.SHA512
304 ("g-signal", F), -- GNAT.Signals
305 ("g-socket", F), -- GNAT.Sockets
306 ("g-souinf", F), -- GNAT.Source_Info
307 ("g-speche", F), -- GNAT.Spell_Checker
308 ("g-spchge", F), -- GNAT.Spell_Checker_Generic
309 ("g-spitbo", F), -- GNAT.Spitbol
310 ("g-spipat", F), -- GNAT.Spitbol.Patterns
311 ("g-sptabo", F), -- GNAT.Spitbol.Table_Boolean
312 ("g-sptain", F), -- GNAT.Spitbol.Table_Integer
313 ("g-sptavs", F), -- GNAT.Spitbol.Table_Vstring
314 ("g-string", F), -- GNAT.Strings
315 ("g-strspl", F), -- GNAT.String_Split
316 ("g-sse ", F), -- GNAT.SSE
317 ("g-ssvety", F), -- GNAT.SSE.Vector_Types
318 ("g-table ", F), -- GNAT.Table
319 ("g-tasloc", F), -- GNAT.Task_Lock
320 ("g-tastus", F), -- GNAT.Task_Stack_Usage
321 ("g-thread", F), -- GNAT.Threads
322 ("g-timsta", F), -- GNAT.Time_Stamp
323 ("g-traceb", F), -- GNAT.Traceback
324 ("g-trasym", F), -- GNAT.Traceback.Symbolic
325 ("g-tty ", F), -- GNAT.TTY
326 ("g-utf_32", F), -- GNAT.UTF_32
327 ("g-u3spch", F), -- GNAT.UTF_32_Spelling_Checker
328 ("g-wispch", F), -- GNAT.Wide_Spelling_Checker
329 ("g-wistsp", F), -- GNAT.Wide_String_Split
331 -----------------------------------------------------
332 -- Interface Hierarchy Units from Reference Manual --
333 -----------------------------------------------------
335 ("i-c ", T), -- Interfaces.C
336 ("i-cobol ", T), -- Interfaces.Cobol
337 ("i-cpoint", T), -- Interfaces.C.Pointers
338 ("i-cstrin", T), -- Interfaces.C.Strings
339 ("i-fortra", T), -- Interfaces.Fortran
341 ------------------------------------------
342 -- GNAT Defined Additions to Interfaces --
343 ------------------------------------------
345 ("i-cexten", F), -- Interfaces.C.Extensions
346 ("i-cil ", F), -- Interfaces.CIL
347 ("i-cilobj", F), -- Interfaces.CIL.Object
348 ("i-cstrea", F), -- Interfaces.C.Streams
349 ("i-java ", F), -- Interfaces.Java
350 ("i-javjni", F), -- Interfaces.Java.JNI
351 ("i-pacdec", F), -- Interfaces.Packed_Decimal
352 ("i-vxwoio", F), -- Interfaces.VxWorks.IO
353 ("i-vxwork", F), -- Interfaces.VxWorks
355 --------------------------------------------------
356 -- System Hierarchy Units from Reference Manual --
357 --------------------------------------------------
359 ("s-atacco", T), -- System.Address_To_Access_Conversions
360 ("s-maccod", T), -- System.Machine_Code
361 ("s-rpc ", T), -- System.Rpc
362 ("s-stoele", T), -- System.Storage_Elements
363 ("s-stopoo", T), -- System.Storage_Pools
365 --------------------------------------
366 -- GNAT Defined Additions to System --
367 --------------------------------------
369 ("s-addima", F), -- System.Address_Image
370 ("s-atocou", F), -- System.Atomic_Counters
371 ("s-assert", F), -- System.Assertions
372 ("s-diflio", F), -- System.Dim.Float_IO
373 ("s-diinio", F), -- System.Dim.Integer_IO
374 ("s-dimkio", F), -- System.Dim.Mks_IO
375 ("s-dimmks", F), -- System.Dim.Mks
376 ("s-dmotpr", F), -- System.Dim.Mks.Other_Prefixes
377 ("s-memory", F), -- System.Memory
378 ("s-parint", F), -- System.Partition_Interface
379 ("s-pooglo", F), -- System.Pool_Global
380 ("s-pooloc", F), -- System.Pool_Local
381 ("s-restri", F), -- System.Restrictions
382 ("s-rident", F), -- System.Rident
383 ("s-ststop", F), -- System.Strings.Stream_Ops
384 ("s-tasinf", F), -- System.Task_Info
385 ("s-unstyp", F), -- System.Unsigned_Types
386 ("s-wchcnv", F), -- System.WCh_Cnv
387 ("s-wchcon", F), -- System.WCh_Con
389 -- The following are strictly speaking Ada 2012 units, but we are allowed
390 -- to add children to system, so we consider them to be implementation
391 -- defined additions to System in earlier versions of Ada.
393 ("s-multip", T), -- System.Multiprocessors
394 ("s-mudido", T)); -- System.Multiprocessors.Dispatching_Domains
400 -- The following units should be used only in Ada 05 mode
402 Non_Imp_File_Names_05 : constant File_List := (
404 --------------------------------------------------------
405 -- Ada Hierarchy Units from Ada 2005 Reference Manual --
406 --------------------------------------------------------
408 ("a-assert", T), -- Ada.Assertions
409 ("a-calari", T), -- Ada.Calendar.Arithmetic
410 ("a-calfor", T), -- Ada.Calendar.Formatting
411 ("a-catizo", T), -- Ada.Calendar.Time_Zones
412 ("a-cdlili", T), -- Ada.Containers.Doubly_Linked_Lists
413 ("a-cgarso", T), -- Ada.Containers.Generic_Array_Sort
414 ("a-cgcaso", T), -- Ada.Containers.Generic_Constrained_Array_Sort
415 ("a-chacon", T), -- Ada.Characters.Conversions
416 ("a-cidlli", T), -- Ada.Containers.Indefinite_Doubly_Linked_Lists
417 ("a-cihama", T), -- Ada.Containers.Indefinite_Hashed_Maps
418 ("a-cihase", T), -- Ada.Containers.Indefinite_Hashed_Sets
419 ("a-ciorma", T), -- Ada.Containers.Indefinite_Ordered_Maps
420 ("a-ciorse", T), -- Ada.Containers.Indefinite_Ordered_Sets
421 ("a-cohama", T), -- Ada.Containers.Hashed_Maps
422 ("a-cohase", T), -- Ada.Containers.Hashed_Sets
423 ("a-coinve", T), -- Ada.Containers.Indefinite_Vectors
424 ("a-contai", T), -- Ada.Containers
425 ("a-convec", T), -- Ada.Containers.Vectors
426 ("a-coorma", T), -- Ada.Containers.Ordered_Maps
427 ("a-coorse", T), -- Ada.Containers.Ordered_Sets
428 ("a-coteio", T), -- Ada.Complex_Text_IO
429 ("a-direct", T), -- Ada.Directories
430 ("a-dinopr", T), -- Ada.Dispatching.Non_Preemptive
431 ("a-diroro", T), -- Ada.Dispatching.Round_Robin
432 ("a-disedf", T), -- Ada.Dispatching.EDF
433 ("a-dispat", T), -- Ada.Dispatching
434 ("a-envvar", T), -- Ada.Environment_Variables
435 ("a-etgrbu", T), -- Ada.Execution_Time.Group_Budgets
436 ("a-exetim", T), -- Ada.Execution_Time
437 ("a-extiti", T), -- Ada.Execution_Time.Timers
438 ("a-izteio", T), -- Ada.Integer_Wide_Wide_Text_IO
439 ("a-rttiev", T), -- Ada.Real_Time.Timing_Events
440 ("a-ngcoar", T), -- Ada.Numerics.Generic_Complex_Arrays
441 ("a-ngrear", T), -- Ada.Numerics.Generic_Real_Arrays
442 ("a-nucoar", T), -- Ada.Numerics.Complex_Arrays
443 ("a-nurear", T), -- Ada.Numerics.Real_Arrays
444 ("a-stboha", T), -- Ada.Strings.Bounded.Hash
445 ("a-stfiha", T), -- Ada.Strings.Fixed.Hash
446 ("a-strhas", T), -- Ada.Strings.Hash
447 ("a-stunha", T), -- Ada.Strings.Unbounded.Hash
448 ("a-stwiha", T), -- Ada.Strings.Wide_Hash
449 ("a-stzbou", T), -- Ada.Strings.Wide_Wide_Bounded
450 ("a-stzfix", T), -- Ada.Strings.Wide_Wide_Fixed
451 ("a-stzhas", T), -- Ada.Strings.Wide_Wide_Hash
452 ("a-stzmap", T), -- Ada.Strings.Wide_Wide_Maps
453 ("a-stzunb", T), -- Ada.Strings.Wide_Wide_Unbounded
454 ("a-swbwha", T), -- Ada.Strings.Wide_Bounded.Wide_Hash
455 ("a-swfwha", T), -- Ada.Strings.Wide_Fixed.Wide_Hash
456 ("a-swuwha", T), -- Ada.Strings.Wide_Unbounded.Wide_Hash
457 ("a-szbzha", T), -- Ada.Strings.Wide_Wide_Bounded.Wide_Wide_Hash
458 ("a-szfzha", T), -- Ada.Strings.Wide_Wide_Fixed.Wide_Wide_Hash
459 ("a-szmzco", T), -- Ada.Strings.Wide_Wide_Maps.Wide_Wide_Constants
460 ("a-szuzha", T), -- Ada.Strings.Wide_Wide_Unbounded.Wide_Wide_Hash
461 ("a-taster", T), -- Ada.Task_Termination
462 ("a-tgdico", T), -- Ada.Tags.Generic_Dispatching_Constructor
463 ("a-tiboio", T), -- Ada.Text_IO.Bounded_IO
464 ("a-tiunio", T), -- Ada.Text_IO.Unbounded_IO
465 ("a-wichun", T), -- Ada.Wide_Characters.Unicode
466 ("a-wwboio", T), -- Ada.Wide_Text_IO.Wide_Bounded_IO
467 ("a-wwunio", T), -- Ada.Wide_Text_IO.Wide_Unbounded_IO
468 ("a-zchara", T), -- Ada.Wide_Wide_Characters
469 ("a-zchhan", T), -- Ada.Wide_Wide_Characters.Handling
470 ("a-ztcoio", T), -- Ada.Wide_Wide_Text_IO.Complex_IO
471 ("a-ztedit", T), -- Ada.Wide_Wide_Text_IO.Editing
472 ("a-zttest", T), -- Ada.Wide_Wide_Text_IO.Text_Streams
473 ("a-ztexio", T), -- Ada.Wide_Wide_Text_IO
474 ("a-zzboio", T), -- Ada.Wide_Wide_Text_IO.Wide_Wide_Bounded_IO
475 ("a-zzunio", T), -- Ada.Wide_Wide_Text_IO.Wide_Wide_Unbounded_IO
477 ------------------------------------------------------
478 -- RM Required Additions to Ada 2005 for GNAT Types --
479 ------------------------------------------------------
481 -- Note: Long versions are considered RM defined, but not the Long Long,
482 -- Short, or Short_Short versions.
484 ("a-lcteio", T), -- Ada.Long_Complex_Text_IO
485 ("a-lfztio", T), -- Ada.Long_Float_Wide_Wide_Text_IO
486 ("a-liztio", T), -- Ada.Long_Integer_Wide_Wide_Text_IO
487 ("a-llctio", T), -- Ada.Long_Long_Complex_Text_IO
488 ("a-llfzti", T), -- Ada.Long_Long_Float_Wide_Wide_Text_IO
489 ("a-llizti", T), -- Ada.Long_Long_Integer_Wide_Wide_Text_IO
490 ("a-nlcoar", T), -- Ada.Numerics.Long_Complex_Arrays
491 ("a-nllcar", T), -- Ada.Numerics.Long_Long_Complex_Arrays
492 ("a-nllrar", T), -- Ada.Numerics.Long_Long_Real_Arrays
493 ("a-nlrear", T), -- Ada.Numerics.Long_Real_Arrays
494 ("a-scteio", F), -- Ada.Short_Complex_Text_IO
495 ("a-sfztio", F), -- Ada.Short_Float_Wide_Wide_Text_IO
496 ("a-siztio", F), -- Ada.Short_Integer_Wide_Wide_Text_IO
497 ("a-ssizti", F), -- Ada.Short_Short_Integer_Wide_Wide_Text_IO
499 ----------------------------------------
500 -- GNAT Defined Additions to Ada 2005 --
501 ----------------------------------------
503 ("a-cgaaso", F), -- Ada.Containers.Generic_Anonymous_Array_Sort
504 ("a-chzla1", F), -- Ada.Characters.Wide_Wide_Latin_1
505 ("a-chzla9", F), -- Ada.Characters.Wide_Wide_Latin_9
506 ("a-ciormu", F), -- Ada.Containers.Indefinite_Ordered_Multisets
507 ("a-coormu", F), -- Ada.Containers.Ordered_Multisets
508 ("a-crdlli", F), -- Ada.Containers.Restricted_Doubly_Linked_Lists
509 ("a-szuzti", F), -- Ada.Strings.Wide_Wide_Unbounded.Wide_Wide_Text_IO
510 ("a-zchuni", F), -- Ada.Wide_Wide_Characters.Unicode
511 ("a-ztcstr", F), -- Ada.Wide_Wide_Text_IO.C_Streams
513 -- Note: strictly the following should be Ada 2012 units, but it seems
514 -- harmless (and useful) to make then available in Ada 2005 mode.
516 ("a-cogeso", T), -- Ada.Containers.Generic_Sort
517 ("a-dhfina", T), -- Ada.Directories.Hierarchical_File_Names
518 ("a-secain", T), -- Ada.Strings.Equal_Case_Insensitive
519 ("a-shcain", T), -- Ada.Strings.Hash_Case_Insensitive
520 ("a-slcain", T), -- Ada.Strings.Less_Case_Insensitive
521 ("a-sfecin", T), -- Ada.Strings.Fixed.Equal_Case_Insensitive
522 ("a-sfhcin", T), -- Ada.Strings.Fixed.Hash_Case_Insensitive
523 ("a-sflcin", T), -- Ada.Strings.Fixed.Less_Case_Insensitive
524 ("a-sbecin", T), -- Ada.Strings.Bounded.Equal_Case_Insensitive
525 ("a-sbhcin", T), -- Ada.Strings.Bounded.Hash_Case_Insensitive
526 ("a-sblcin", T), -- Ada.Strings.Bounded.Less_Case_Insensitive
527 ("a-suecin", T), -- Ada.Strings.Unbounded.Equal_Case_Insensitive
528 ("a-suhcin", T), -- Ada.Strings.Unbounded.Hash_Case_Insensitive
529 ("a-sulcin", T), -- Ada.Strings.Unbounded.Less_Case_Insensitive
530 ("a-suezst", T), -- Ada.Strings.UTF_Encoding.Wide_Wide_Strings
532 ---------------------------
533 -- GNAT Special IO Units --
534 ---------------------------
536 -- See Ada 95 section for further information. These packages are for the
537 -- implementation of the Wide_Wide_Text_IO generic packages.
539 ("a-ztdeio", F), -- Ada.Wide_Wide_Text_IO.Decimal_IO
540 ("a-ztenio", F), -- Ada.Wide_Wide_Text_IO.Enumeration_IO
541 ("a-ztfiio", F), -- Ada.Wide_Wide_Text_IO.Fixed_IO
542 ("a-ztflio", F), -- Ada.Wide_Wide_Text_IO.Float_IO
543 ("a-ztinio", F), -- Ada.Wide_Wide_Text_IO.Integer_IO
544 ("a-ztmoio", F), -- Ada.Wide_Wide_Text_IO.Modular_IO
546 ------------------------
547 -- GNAT Library Units --
548 ------------------------
550 ("g-zspche", F), -- GNAT.Wide_Wide_Spelling_Checker
551 ("g-zstspl", F)); -- GNAT.Wide_Wide_String_Split
557 -- The following units should be used only in Ada 2012 mode
559 Non_Imp_File_Names_12 : constant File_List := (
560 ("s-stposu", T), -- System.Storage_Pools.Subpools
561 ("a-cobove", T), -- Ada.Containers.Bounded_Vectors
562 ("a-cbdlli", T), -- Ada.Containers.Bounded_Doubly_Linked_Lists
563 ("a-cborse", T), -- Ada.Containers.Bounded_Ordered_Sets
564 ("a-cborma", T), -- Ada.Containers.Bounded_Ordered_Maps
565 ("a-cbhase", T), -- Ada.Containers.Bounded_Hashed_Sets
566 ("a-cbhama", T), -- Ada.Containers.Bounded_Hashed_Maps
567 ("a-coinho", T), -- Ada.Containers.Indefinite_Holders
568 ("a-comutr", T), -- Ada.Containers.Multiway_Trees
569 ("a-cimutr", T), -- Ada.Containers.Indefinite_Multiway_Trees
570 ("a-cbmutr", T), -- Ada.Containers.Bounded_Multiway_Trees
571 ("a-csquin", T), -- Ada.Containers.Synchronized_Queue_Interfaces
572 ("a-cusyqu", T), -- Ada.Containers.Unbounded_Synchronized_Queues
573 ("a-cuprqu", T), -- Ada.Containers.Unbounded_Priority_Queues
574 ("a-cbsyqu", T), -- Ada.Containers.Bounded_Synchronized_Queues
575 ("a-cbprqu", T), -- Ada.Containers.Bounded_Priority_Queues
576 ("a-extiin", T), -- Ada.Execution_Time.Interrupts
577 ("a-iteint", T), -- Ada.Iterator_Interfaces
578 ("a-locale", T), -- Ada.Locales
579 ("a-stcoed", T), -- Ada.Synchronous_Task_Control.EDF
580 ("a-synbar", T), -- Ada.Synchronous_Barriers
581 ("a-undesu", T), -- Ada.Unchecked_Deallocate_Subpool
583 ----------------------------------------
584 -- GNAT Defined Additions to Ada 2012 --
585 ----------------------------------------
587 ("a-cfinve", F), -- Ada.Containers.Formal_Indefinite_Vectors
588 ("a-coboho", F), -- Ada.Containers.Bounded_Holders
589 ("a-cofove", F), -- Ada.Containers.Formal_Vectors
590 ("a-cfdlli", F), -- Ada.Containers.Formal_Doubly_Linked_Lists
591 ("a-cforse", F), -- Ada.Containers.Formal_Ordered_Sets
592 ("a-cforma", F), -- Ada.Containers.Formal_Ordered_Maps
593 ("a-cfhase", F), -- Ada.Containers.Formal_Hashed_Sets
594 ("a-cfhama", F)); -- Ada.Containers.Formal_Hashed_Maps
596 -----------------------
597 -- Alternative Units --
598 -----------------------
600 -- For some implementation units, there is a unit in the GNAT library
601 -- that has identical functionality that is usable. If we have such a
602 -- case we record the appropriate Unit name in Error_Msg_String.
604 type Aunit_Record is record
605 Fname : String (1 .. 6);
609 -- Array of alternative unit names
611 Scasuti : aliased String := "GNAT.Case_Util";
612 Scrc32 : aliased String := "GNAT.CRC32";
613 Shtable : aliased String := "GNAT.HTable";
614 Sos_lib : aliased String := "GNAT.OS_Lib";
615 Sregexp : aliased String := "GNAT.Regexp";
616 Sregpat : aliased String := "GNAT.Regpat";
617 Sstring : aliased String := "GNAT.Strings";
618 Sstusta : aliased String := "GNAT.Task_Stack_Usage";
619 Stasloc : aliased String := "GNAT.Task_Lock";
620 Sutf_32 : aliased String := "GNAT.UTF_32";
622 -- Array giving mapping
624 Map_Array : constant array (1 .. 10) of Aunit_Record := (
625 ("casuti", Scasuti'Access),
626 ("crc32 ", Scrc32 'Access),
627 ("htable", Shtable'Access),
628 ("os_lib", Sos_lib'Access),
629 ("regexp", Sregexp'Access),
630 ("regpat", Sregpat'Access),
631 ("string", Sstring'Access),
632 ("stusta", Sstusta'Access),
633 ("tasloc", Stasloc'Access),
634 ("utf_32", Sutf_32'Access));
636 ----------------------
637 -- Get_Kind_Of_Unit --
638 ----------------------
640 function Get_Kind_Of_Unit (U : Unit_Number_Type) return Kind_Of_Unit is
641 Fname : constant File_Name_Type := Unit_File_Name (U);
644 Error_Msg_Strlen := 0;
645 Get_Name_String (Fname);
647 -- Ada/System/Interfaces are all Ada 95 units
649 if (Name_Len = 7 and then Name_Buffer (1 .. 7) = "ada.ads")
651 (Name_Len = 10 and then Name_Buffer (1 .. 10) = "system.ads")
653 (Name_Len = 12 and then Name_Buffer (1 .. 12) = "interfac.ads")
658 -- If length of file name is greater than 12, not predefined. The value
659 -- 12 here is an 8 char name with extension .ads.
661 if Name_Len > 12 then
662 return Not_Predefined_Unit;
665 -- Not predefined if file name does not start with a- g- s- i-
668 or else Name_Buffer (2) /= '-'
669 or else (Name_Buffer (1) /= 'a'
671 Name_Buffer (1) /= 'g'
673 Name_Buffer (1) /= 'i'
675 Name_Buffer (1) /= 's')
677 return Not_Predefined_Unit;
680 -- To be considered predefined, the file name must end in .ads or .adb.
681 -- File names with other extensions (coming from the use of non-standard
682 -- file naming schemes) can never be predefined.
684 -- Note that in the context of a compiler, the .adb case will never
685 -- arise. However it can arise for other tools, e.g. gnatprove uses
686 -- this routine to detect when a construct comes from an instance of
687 -- a generic defined in a predefined unit.
689 if Name_Buffer (Name_Len - 3 .. Name_Len) /= ".ads"
691 Name_Buffer (Name_Len - 3 .. Name_Len) /= ".adb"
693 return Not_Predefined_Unit;
696 -- Otherwise normalize file name to 8 characters
698 Name_Len := Name_Len - 4;
699 while Name_Len < 8 loop
700 Name_Len := Name_Len + 1;
701 Name_Buffer (Name_Len) := ' ';
704 -- See if name is in 95 list
706 for J in Non_Imp_File_Names_95'Range loop
707 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_95 (J).Fname then
712 -- See if name is in 2005 list
714 for J in Non_Imp_File_Names_05'Range loop
715 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_05 (J).Fname then
716 return Ada_2005_Unit;
720 -- See if name is in 2012 list
722 for J in Non_Imp_File_Names_12'Range loop
723 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_12 (J).Fname then
724 return Ada_2012_Unit;
728 -- Only remaining special possibilities are children of System.RPC and
729 -- System.Garlic and special files of the form System.Aux...
731 Get_Name_String (Unit_Name (U));
734 and then Name_Buffer (1 .. 11) = "system.rpc."
740 and then Name_Buffer (1 .. 14) = "system.garlic."
746 and then Name_Buffer (1 .. 10) = "system.aux"
751 -- All tests failed, this is definitely an implementation unit. See if
752 -- we have an alternative name.
754 Get_Name_String (Fname);
756 if Name_Len in 11 .. 12
757 and then Name_Buffer (1 .. 2) = "s-"
758 and then Name_Buffer (Name_Len - 3 .. Name_Len) = ".ads"
760 for J in Map_Array'Range loop
761 if (Name_Len = 12 and then
762 Name_Buffer (3 .. 8) = Map_Array (J).Fname)
764 (Name_Len = 11 and then
765 Name_Buffer (3 .. 7) = Map_Array (J).Fname (1 .. 5))
767 Error_Msg_Strlen := Map_Array (J).Aname'Length;
768 Error_Msg_String (1 .. Error_Msg_Strlen) :=
769 Map_Array (J).Aname.all;
774 return Implementation_Unit;
775 end Get_Kind_Of_Unit;
781 function Is_Known_Unit (Nam : Node_Id) return Boolean is
782 Unam : Unit_Name_Type;
783 Fnam : File_Name_Type;
786 -- If selector is not an identifier (e.g. it is a character literal or
787 -- some junk from a previous error), then definitely not a known unit.
789 if Nkind (Selector_Name (Nam)) /= N_Identifier then
793 -- Otherwise get corresponding file name
795 Unam := Get_Unit_Name (Nam);
796 Fnam := Get_File_Name (Unam, Subunit => False);
797 Get_Name_String (Fnam);
799 Error_Msg_Strlen := 0;
801 -- Ada/System/Interfaces are all Ada 95 units
803 if (Name_Len = 7 and then Name_Buffer (1 .. 7) = "ada.ads")
805 (Name_Len = 10 and then Name_Buffer (1 .. 10) = "system.ads")
807 (Name_Len = 12 and then Name_Buffer (1 .. 12) = "interfac.ads")
812 -- Remove extension from file name
814 if Name_Buffer (Name_Len - 3 .. Name_Len) = ".adb"
816 Name_Buffer (Name_Len - 3 .. Name_Len) = ".ads"
818 Name_Len := Name_Len - 4;
823 -- Pad name to 8 characters
825 while Name_Len < 8 loop
826 Name_Len := Name_Len + 1;
827 Name_Buffer (Name_Len) := ' ';
830 -- If length more than 8, definitely not a match
832 if Name_Len /= 8 then
836 -- If length is 8, search our tables
838 for J in Non_Imp_File_Names_95'Range loop
839 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_95 (J).Fname then
844 for J in Non_Imp_File_Names_05'Range loop
845 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_05 (J).Fname then
850 for J in Non_Imp_File_Names_12'Range loop
851 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_12 (J).Fname then
856 -- If not found, not known
860 -- A safety guard, if we get an exception during this processing then it
861 -- is most likely the result of a previous error, or a peculiar case we
862 -- have not thought of. Since this routine is only used for error message
863 -- refinement, we will just return False.
870 ---------------------------
871 -- Not_Impl_Defined_Unit --
872 ---------------------------
874 function Not_Impl_Defined_Unit (U : Unit_Number_Type) return Boolean is
875 Fname : constant File_Name_Type := Unit_File_Name (U);
878 Error_Msg_Strlen := 0;
879 Get_Name_String (Fname);
881 -- Ada/System/Interfaces are all RM-defined Ada 95 units
883 if (Name_Len = 7 and then Name_Buffer (1 .. 7) = "ada.ads")
885 (Name_Len = 10 and then Name_Buffer (1 .. 10) = "system.ads")
887 (Name_Len = 12 and then Name_Buffer (1 .. 12) = "interfac.ads")
892 -- If length of file name is greater than 12, then it's a user unit
893 -- and not a GNAT implementation defined unit.
895 if Name_Len > 12 then
899 -- Implementation defined if unit in the gnat hierarchy
901 if (Name_Len = 8 and then Name_Buffer (1 .. 8) = "gnat.ads")
902 or else (Name_Len > 2 and then Name_Buffer (1 .. 2) = "g-")
907 -- Not implementation defined if file name does not start with a- s- i-
910 or else Name_Buffer (2) /= '-'
911 or else (Name_Buffer (1) /= 'a'
913 Name_Buffer (1) /= 'i'
915 Name_Buffer (1) /= 's')
920 -- Not impl-defined if file name does not end in .ads. This can happen
921 -- when non-standard file names are being used.
923 if Name_Buffer (Name_Len - 3 .. Name_Len) /= ".ads" then
927 -- Otherwise normalize file name to 8 characters
929 Name_Len := Name_Len - 4;
930 while Name_Len < 8 loop
931 Name_Len := Name_Len + 1;
932 Name_Buffer (Name_Len) := ' ';
935 -- Check our lists of names, if we find a match, return corresponding
936 -- indication of whether the file is RM defined, respecting the RM
937 -- version in which it is defined.
939 for J in Non_Imp_File_Names_95'Range loop
940 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_95 (J).Fname then
941 return Non_Imp_File_Names_95 (J).RMdef;
945 for J in Non_Imp_File_Names_05'Range loop
946 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_05 (J).Fname then
947 return Non_Imp_File_Names_05 (J).RMdef
948 and then Ada_Version >= Ada_2005;
952 for J in Non_Imp_File_Names_12'Range loop
953 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_12 (J).Fname then
954 return Non_Imp_File_Names_95 (J).RMdef
955 and then Ada_Version >= Ada_2012;
959 -- If unit is in System, Ada or Interfaces hierarchies and did not match
960 -- any entry in the list, means it is an internal implementation defined
961 -- unit which the restriction should definition forbid.
964 end Not_Impl_Defined_Unit;