1------------------------------------------------------------------------------ 2-- -- 3-- GNAT COMPILER COMPONENTS -- 4-- -- 5-- I M P U N I T -- 6-- -- 7-- B o d y -- 8-- -- 9-- Copyright (C) 2000-2013, Free Software Foundation, Inc. -- 10-- -- 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. -- 20-- -- 21-- GNAT was originally developed by the GNAT team at New York University. -- 22-- Extensive contributions were provided by Ada Core Technologies Inc. -- 23-- -- 24------------------------------------------------------------------------------ 25 26with Atree; use Atree; 27with Errout; use Errout; 28with Sinfo; use Sinfo; 29with Fname.UF; use Fname.UF; 30with Lib; use Lib; 31with Namet; use Namet; 32with Opt; use Opt; 33with Uname; use Uname; 34 35-- Note: this package body is used by GPS and GNATBench to supply a list of 36-- entries for help on available library routines. 37 38package body Impunit is 39 40 subtype File_Name_8 is String (1 .. 8); 41 42 type File_Name_Record is record 43 Fname : File_Name_8; 44 -- 8 character name of unit 45 46 RMdef : Boolean; 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). 49 end record; 50 51 type File_List is array (Nat range <>) of File_Name_Record; 52 53 T : constant Boolean := True; 54 F : constant Boolean := False; 55 -- Short hand for RM_Defined values in lists below 56 57 ------------------ 58 -- Ada 95 Units -- 59 ------------------ 60 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. 65 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. 69 70 Non_Imp_File_Names_95 : constant File_List := ( 71 72 ------------------------------------------------------ 73 -- Ada Hierarchy Units from Ada-95 Reference Manual -- 74 ------------------------------------------------------ 75 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 133 134 ------------------------------------------------- 135 -- RM Required Additions to Ada for GNAT Types -- 136 ------------------------------------------------- 137 138 -- Note: Long versions are considered RM defined, but not the Long Long, 139 -- Short, or Short_Short versions. 140 141 ("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 164 165 ----------------------------------- 166 -- GNAT Defined Additions to Ada -- 167 ----------------------------------- 168 169 ("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 186 187 -- 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. 190 191 ("a-wichun", F), -- Ada.Wide_Characters.Unicode 192 ("a-widcha", F), -- Ada.Wide_Characters 193 194 -- 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. 197 198 ("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 203 204 --------------------------- 205 -- GNAT Special IO Units -- 206 --------------------------- 207 208 -- 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). 215 216 ("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 229 230 ------------------------ 231 -- GNAT Library Units -- 232 ------------------------ 233 234 ("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-heasor", F), -- GNAT.Heap_Sort 277 ("g-hesora", F), -- GNAT.Heap_Sort_A 278 ("g-hesorg", F), -- GNAT.Heap_Sort_G 279 ("g-htable", F), -- GNAT.Htable 280 ("g-io ", F), -- GNAT.IO 281 ("g-io_aux", F), -- GNAT.IO_Aux 282 ("g-locfil", F), -- GNAT.Lock_Files 283 ("g-mbdira", F), -- GNAT.MBBS_Discrete_Random 284 ("g-mbflra", F), -- GNAT.MBBS_Float_Random 285 ("g-md5 ", F), -- GNAT.MD5 286 ("g-memdum", F), -- GNAT.Memory_Dump 287 ("g-moreex", F), -- GNAT.Most_Recent_Exception 288 ("g-os_lib", F), -- GNAT.Os_Lib 289 ("g-pehage", F), -- GNAT.Perfect_Hash_Generators 290 ("g-rannum", F), -- GNAT.Random_Numbers 291 ("g-regexp", F), -- GNAT.Regexp 292 ("g-regist", F), -- GNAT.Registry 293 ("g-regpat", F), -- GNAT.Regpat 294 ("g-semaph", F), -- GNAT.Semaphores 295 ("g-sercom", F), -- GNAT.Serial_Communications 296 ("g-sestin", F), -- GNAT.Secondary_Stack_Info 297 ("g-sha1 ", F), -- GNAT.SHA1 298 ("g-sha224", F), -- GNAT.SHA224 299 ("g-sha256", F), -- GNAT.SHA256 300 ("g-sha384", F), -- GNAT.SHA384 301 ("g-sha512", F), -- GNAT.SHA512 302 ("g-signal", F), -- GNAT.Signals 303 ("g-socket", F), -- GNAT.Sockets 304 ("g-souinf", F), -- GNAT.Source_Info 305 ("g-speche", F), -- GNAT.Spell_Checker 306 ("g-spchge", F), -- GNAT.Spell_Checker_Generic 307 ("g-spitbo", F), -- GNAT.Spitbol 308 ("g-spipat", F), -- GNAT.Spitbol.Patterns 309 ("g-sptabo", F), -- GNAT.Spitbol.Table_Boolean 310 ("g-sptain", F), -- GNAT.Spitbol.Table_Integer 311 ("g-sptavs", F), -- GNAT.Spitbol.Table_Vstring 312 ("g-string", F), -- GNAT.Strings 313 ("g-strspl", F), -- GNAT.String_Split 314 ("g-sse ", F), -- GNAT.SSE 315 ("g-ssvety", F), -- GNAT.SSE.Vector_Types 316 ("g-table ", F), -- GNAT.Table 317 ("g-tasloc", F), -- GNAT.Task_Lock 318 ("g-tastus", F), -- GNAT.Task_Stack_Usage 319 ("g-thread", F), -- GNAT.Threads 320 ("g-timsta", F), -- GNAT.Time_Stamp 321 ("g-traceb", F), -- GNAT.Traceback 322 ("g-trasym", F), -- GNAT.Traceback.Symbolic 323 ("g-tty ", F), -- GNAT.TTY 324 ("g-utf_32", F), -- GNAT.UTF_32 325 ("g-u3spch", F), -- GNAT.UTF_32_Spelling_Checker 326 ("g-wispch", F), -- GNAT.Wide_Spelling_Checker 327 ("g-wistsp", F), -- GNAT.Wide_String_Split 328 329 ----------------------------------------------------- 330 -- Interface Hierarchy Units from Reference Manual -- 331 ----------------------------------------------------- 332 333 ("i-c ", T), -- Interfaces.C 334 ("i-cobol ", T), -- Interfaces.Cobol 335 ("i-cpoint", T), -- Interfaces.C.Pointers 336 ("i-cstrin", T), -- Interfaces.C.Strings 337 ("i-fortra", T), -- Interfaces.Fortran 338 339 ------------------------------------------ 340 -- GNAT Defined Additions to Interfaces -- 341 ------------------------------------------ 342 343 ("i-cexten", F), -- Interfaces.C.Extensions 344 ("i-cil ", F), -- Interfaces.CIL 345 ("i-cilobj", F), -- Interfaces.CIL.Object 346 ("i-cpp ", F), -- Interfaces.CPP 347 ("i-cstrea", F), -- Interfaces.C.Streams 348 ("i-java ", F), -- Interfaces.Java 349 ("i-javjni", F), -- Interfaces.Java.JNI 350 ("i-pacdec", F), -- Interfaces.Packed_Decimal 351 ("i-vxwoio", F), -- Interfaces.VxWorks.IO 352 ("i-vxwork", F), -- Interfaces.VxWorks 353 354 -------------------------------------------------- 355 -- System Hierarchy Units from Reference Manual -- 356 -------------------------------------------------- 357 358 ("s-atacco", T), -- System.Address_To_Access_Conversions 359 ("s-maccod", T), -- System.Machine_Code 360 ("s-rpc ", T), -- System.Rpc 361 ("s-stoele", T), -- System.Storage_Elements 362 ("s-stopoo", T), -- System.Storage_Pools 363 364 -------------------------------------- 365 -- GNAT Defined Additions to System -- 366 -------------------------------------- 367 368 ("s-addima", F), -- System.Address_Image 369 ("s-assert", F), -- System.Assertions 370 ("s-diflio", F), -- System.Dim.Float_IO 371 ("s-diinio", F), -- System.Dim.Integer_IO 372 ("s-dimkio", F), -- System.Dim.Mks_IO 373 ("s-dimmks", F), -- System.Dim.Mks 374 ("s-dmotpr", F), -- System.Dim.Mks.Other_Prefixes 375 ("s-memory", F), -- System.Memory 376 ("s-parint", F), -- System.Partition_Interface 377 ("s-pooglo", F), -- System.Pool_Global 378 ("s-pooloc", F), -- System.Pool_Local 379 ("s-restri", F), -- System.Restrictions 380 ("s-rident", F), -- System.Rident 381 ("s-ststop", F), -- System.Strings.Stream_Ops 382 ("s-tasinf", F), -- System.Task_Info 383 ("s-wchcnv", F), -- System.Wch_Cnv 384 ("s-wchcon", F), -- System.Wch_Con 385 386 -- The following are strictly speaking Ada 2012 units, but we are allowed 387 -- to add children to system, so we consider them to be implementation 388 -- defined additions to System in earlier versions of Ada. 389 390 ("s-multip", T), -- System.Multiprocessors 391 ("s-mudido", T)); -- System.Multiprocessors.Dispatching_Domains 392 393 -------------------- 394 -- Ada 2005 Units -- 395 -------------------- 396 397 -- The following units should be used only in Ada 05 mode 398 399 Non_Imp_File_Names_05 : constant File_List := ( 400 401 -------------------------------------------------------- 402 -- Ada Hierarchy Units from Ada 2005 Reference Manual -- 403 -------------------------------------------------------- 404 405 ("a-assert", T), -- Ada.Assertions 406 ("a-calari", T), -- Ada.Calendar.Arithmetic 407 ("a-calfor", T), -- Ada.Calendar.Formatting 408 ("a-catizo", T), -- Ada.Calendar.Time_Zones 409 ("a-cdlili", T), -- Ada.Containers.Doubly_Linked_Lists 410 ("a-cgarso", T), -- Ada.Containers.Generic_Array_Sort 411 ("a-cgcaso", T), -- Ada.Containers.Generic_Constrained_Array_Sort 412 ("a-chacon", T), -- Ada.Characters.Conversions 413 ("a-cidlli", T), -- Ada.Containers.Indefinite_Doubly_Linked_Lists 414 ("a-cihama", T), -- Ada.Containers.Indefinite_Hashed_Maps 415 ("a-cihase", T), -- Ada.Containers.Indefinite_Hashed_Sets 416 ("a-ciorma", T), -- Ada.Containers.Indefinite_Ordered_Maps 417 ("a-ciorse", T), -- Ada.Containers.Indefinite_Ordered_Sets 418 ("a-cohama", T), -- Ada.Containers.Hashed_Maps 419 ("a-cohase", T), -- Ada.Containers.Hashed_Sets 420 ("a-coinve", T), -- Ada.Containers.Indefinite_Vectors 421 ("a-contai", T), -- Ada.Containers 422 ("a-convec", T), -- Ada.Containers.Vectors 423 ("a-coorma", T), -- Ada.Containers.Ordered_Maps 424 ("a-coorse", T), -- Ada.Containers.Ordered_Sets 425 ("a-coteio", T), -- Ada.Complex_Text_IO 426 ("a-direct", T), -- Ada.Directories 427 ("a-diroro", T), -- Ada.Dispatching.Round_Robin 428 ("a-disedf", T), -- Ada.Dispatching.EDF 429 ("a-dispat", T), -- Ada.Dispatching 430 ("a-envvar", T), -- Ada.Environment_Variables 431 ("a-etgrbu", T), -- Ada.Execution_Time.Group_Budgets 432 ("a-exetim", T), -- Ada.Execution_Time 433 ("a-extiti", T), -- Ada.Execution_Time.Timers 434 ("a-izteio", T), -- Ada.Integer_Wide_Wide_Text_IO 435 ("a-rttiev", T), -- Ada.Real_Time.Timing_Events 436 ("a-ngcoar", T), -- Ada.Numerics.Generic_Complex_Arrays 437 ("a-ngrear", T), -- Ada.Numerics.Generic_Real_Arrays 438 ("a-nucoar", T), -- Ada.Numerics.Complex_Arrays 439 ("a-nurear", T), -- Ada.Numerics.Real_Arrays 440 ("a-stboha", T), -- Ada.Strings.Bounded.Hash 441 ("a-stfiha", T), -- Ada.Strings.Fixed.Hash 442 ("a-strhas", T), -- Ada.Strings.Hash 443 ("a-stunha", T), -- Ada.Strings.Unbounded.Hash 444 ("a-stwiha", T), -- Ada.Strings.Wide_Hash 445 ("a-stzbou", T), -- Ada.Strings.Wide_Wide_Bounded 446 ("a-stzfix", T), -- Ada.Strings.Wide_Wide_Fixed 447 ("a-stzhas", T), -- Ada.Strings.Wide_Wide_Hash 448 ("a-stzmap", T), -- Ada.Strings.Wide_Wide_Maps 449 ("a-stzunb", T), -- Ada.Strings.Wide_Wide_Unbounded 450 ("a-swbwha", T), -- Ada.Strings.Wide_Bounded.Wide_Hash 451 ("a-swfwha", T), -- Ada.Strings.Wide_Fixed.Wide_Hash 452 ("a-swuwha", T), -- Ada.Strings.Wide_Unbounded.Wide_Hash 453 ("a-szbzha", T), -- Ada.Strings.Wide_Wide_Bounded.Wide_Wide_Hash 454 ("a-szfzha", T), -- Ada.Strings.Wide_Wide_Fixed.Wide_Wide_Hash 455 ("a-szmzco", T), -- Ada.Strings.Wide_Wide_Maps.Wide_Wide_Constants 456 ("a-szuzha", T), -- Ada.Strings.Wide_Wide_Unbounded.Wide_Wide_Hash 457 ("a-taster", T), -- Ada.Task_Termination 458 ("a-tgdico", T), -- Ada.Tags.Generic_Dispatching_Constructor 459 ("a-tiboio", T), -- Ada.Text_IO.Bounded_IO 460 ("a-tiunio", T), -- Ada.Text_IO.Unbounded_IO 461 ("a-wichun", T), -- Ada.Wide_Characters.Unicode 462 ("a-wwboio", T), -- Ada.Wide_Text_IO.Wide_Bounded_IO 463 ("a-wwunio", T), -- Ada.Wide_Text_IO.Wide_Unbounded_IO 464 ("a-zchara", T), -- Ada.Wide_Wide_Characters 465 ("a-zchhan", T), -- Ada.Wide_Wide_Characters.Handling 466 ("a-ztcoio", T), -- Ada.Wide_Wide_Text_IO.Complex_IO 467 ("a-ztedit", T), -- Ada.Wide_Wide_Text_IO.Editing 468 ("a-zttest", T), -- Ada.Wide_Wide_Text_IO.Text_Streams 469 ("a-ztexio", T), -- Ada.Wide_Wide_Text_IO 470 ("a-zzboio", T), -- Ada.Wide_Wide_Text_IO.Wide_Wide_Bounded_IO 471 ("a-zzunio", T), -- Ada.Wide_Wide_Text_IO.Wide_Wide_Unbounded_IO 472 473 ------------------------------------------------------ 474 -- RM Required Additions to Ada 2005 for GNAT Types -- 475 ------------------------------------------------------ 476 477 -- Note: Long versions are considered RM defined, but not the Long Long, 478 -- Short, or Short_Short versions. 479 480 ("a-lcteio", T), -- Ada.Long_Complex_Text_IO 481 ("a-lfztio", T), -- Ada.Long_Float_Wide_Wide_Text_IO 482 ("a-liztio", T), -- Ada.Long_Integer_Wide_Wide_Text_IO 483 ("a-llctio", T), -- Ada.Long_Long_Complex_Text_IO 484 ("a-llfzti", T), -- Ada.Long_Long_Float_Wide_Wide_Text_IO 485 ("a-llizti", T), -- Ada.Long_Long_Integer_Wide_Wide_Text_IO 486 ("a-nlcoar", T), -- Ada.Numerics.Long_Complex_Arrays 487 ("a-nllcar", T), -- Ada.Numerics.Long_Long_Complex_Arrays 488 ("a-nllrar", T), -- Ada.Numerics.Long_Long_Real_Arrays 489 ("a-nlrear", T), -- Ada.Numerics.Long_Real_Arrays 490 ("a-scteio", F), -- Ada.Short_Complex_Text_IO 491 ("a-sfztio", F), -- Ada.Short_Float_Wide_Wide_Text_IO 492 ("a-siztio", F), -- Ada.Short_Integer_Wide_Wide_Text_IO 493 ("a-ssizti", F), -- Ada.Short_Short_Integer_Wide_Wide_Text_IO 494 495 ---------------------------------------- 496 -- GNAT Defined Additions to Ada 2005 -- 497 ---------------------------------------- 498 499 ("a-cgaaso", F), -- Ada.Containers.Generic_Anonymous_Array_Sort 500 ("a-chzla1", F), -- Ada.Characters.Wide_Wide_Latin_1 501 ("a-chzla9", F), -- Ada.Characters.Wide_Wide_Latin_9 502 ("a-ciormu", F), -- Ada.Containers.Indefinite_Ordered_Multisets 503 ("a-coormu", F), -- Ada.Containers.Ordered_Multisets 504 ("a-crdlli", F), -- Ada.Containers.Restricted_Doubly_Linked_Lists 505 ("a-szuzti", F), -- Ada.Strings.Wide_Wide_Unbounded.Wide_Wide_Text_IO 506 ("a-zchuni", F), -- Ada.Wide_Wide_Characters.Unicode 507 ("a-ztcstr", F), -- Ada.Wide_Wide_Text_IO.C_Streams 508 509 -- Note: strictly the following should be Ada 2012 units, but it seems 510 -- harmless (and useful) to make then available in Ada 2005 mode. 511 512 ("a-cogeso", T), -- Ada.Containers.Generic_Sort 513 ("a-secain", T), -- Ada.Strings.Equal_Case_Insensitive 514 ("a-shcain", T), -- Ada.Strings.Hash_Case_Insensitive 515 ("a-slcain", T), -- Ada.Strings.Less_Case_Insensitive 516 ("a-sfecin", T), -- Ada.Strings.Fixed.Equal_Case_Insensitive 517 ("a-sfhcin", T), -- Ada.Strings.Fixed.Hash_Case_Insensitive 518 ("a-sflcin", T), -- Ada.Strings.Fixed.Less_Case_Insensitive 519 ("a-sbecin", T), -- Ada.Strings.Bounded.Equal_Case_Insensitive 520 ("a-sbhcin", T), -- Ada.Strings.Bounded.Hash_Case_Insensitive 521 ("a-sblcin", T), -- Ada.Strings.Bounded.Less_Case_Insensitive 522 ("a-suecin", T), -- Ada.Strings.Unbounded.Equal_Case_Insensitive 523 ("a-suhcin", T), -- Ada.Strings.Unbounded.Hash_Case_Insensitive 524 ("a-sulcin", T), -- Ada.Strings.Unbounded.Less_Case_Insensitive 525 ("a-suezst", T), -- Ada.Strings.UTF_Encoding.Wide_Wide_Strings 526 527 --------------------------- 528 -- GNAT Special IO Units -- 529 --------------------------- 530 531 -- See Ada 95 section for further information. These packages are for the 532 -- implementation of the Wide_Wide_Text_IO generic packages. 533 534 ("a-ztdeio", F), -- Ada.Wide_Wide_Text_IO.Decimal_IO 535 ("a-ztenio", F), -- Ada.Wide_Wide_Text_IO.Enumeration_IO 536 ("a-ztfiio", F), -- Ada.Wide_Wide_Text_IO.Fixed_IO 537 ("a-ztflio", F), -- Ada.Wide_Wide_Text_IO.Float_IO 538 ("a-ztinio", F), -- Ada.Wide_Wide_Text_IO.Integer_IO 539 ("a-ztmoio", F), -- Ada.Wide_Wide_Text_IO.Modular_IO 540 541 ------------------------ 542 -- GNAT Library Units -- 543 ------------------------ 544 545 ("g-zspche", F), -- GNAT.Wide_Wide_Spelling_Checker 546 ("g-zstspl", F)); -- GNAT.Wide_Wide_String_Split 547 548 -------------------- 549 -- Ada 2012 Units -- 550 -------------------- 551 552 -- The following units should be used only in Ada 2012 mode 553 554 Non_Imp_File_Names_12 : constant File_List := ( 555 ("s-stposu", T), -- System.Storage_Pools.Subpools 556 ("a-cobove", T), -- Ada.Containers.Bounded_Vectors 557 ("a-cbdlli", T), -- Ada.Containers.Bounded_Doubly_Linked_Lists 558 ("a-cborse", T), -- Ada.Containers.Bounded_Ordered_Sets 559 ("a-cborma", T), -- Ada.Containers.Bounded_Ordered_Maps 560 ("a-cbhase", T), -- Ada.Containers.Bounded_Hashed_Sets 561 ("a-cbhama", T), -- Ada.Containers.Bounded_Hashed_Maps 562 ("a-coinho", T), -- Ada.Containers.Indefinite_Holders 563 ("a-comutr", T), -- Ada.Containers.Multiway_Trees 564 ("a-cimutr", T), -- Ada.Containers.Indefinite_Multiway_Trees 565 ("a-cbmutr", T), -- Ada.Containers.Bounded_Multiway_Trees 566 ("a-csquin", T), -- Ada.Containers.Synchronized_Queue_Interfaces 567 ("a-cusyqu", T), -- Ada.Containers.Unbounded_Synchronized_Queues 568 ("a-cuprqu", T), -- Ada.Containers.Unbounded_Priority_Queues 569 ("a-cbsyqu", T), -- Ada.Containers.Bounded_Synchronized_Queues 570 ("a-cbprqu", T), -- Ada.Containers.Bounded_Priority_Queues 571 ("a-extiin", T), -- Ada.Execution_Time.Interrupts 572 ("a-iteint", T), -- Ada.Iterator_Interfaces 573 ("a-locale", T), -- Ada.Locales 574 ("a-synbar", T), -- Ada.Synchronous_Barriers 575 ("a-undesu", T), -- Ada.Unchecked_Deallocate_Subpool 576 577 ---------------------------------------- 578 -- GNAT Defined Additions to Ada 2012 -- 579 ---------------------------------------- 580 581 ("a-cofove", F), -- Ada.Containers.Formal_Vectors 582 ("a-cfdlli", F), -- Ada.Containers.Formal_Doubly_Linked_Lists 583 ("a-cforse", F), -- Ada.Containers.Formal_Ordered_Sets 584 ("a-cforma", F), -- Ada.Containers.Formal_Ordered_Maps 585 ("a-cfhase", F), -- Ada.Containers.Formal_Hashed_Sets 586 ("a-cfhama", F)); -- Ada.Containers.Formal_Hashed_Maps 587 588 ----------------------- 589 -- Alternative Units -- 590 ----------------------- 591 592 -- For some implementation units, there is a unit in the GNAT library 593 -- that has identical functionality that is usable. If we have such a 594 -- case we record the appropriate Unit name in Error_Msg_String. 595 596 type Aunit_Record is record 597 Fname : String (1 .. 6); 598 Aname : String_Ptr; 599 end record; 600 601 -- Array of alternative unit names 602 603 Scasuti : aliased String := "GNAT.Case_Util"; 604 Scrc32 : aliased String := "GNAT.CRC32"; 605 Shtable : aliased String := "GNAT.HTable"; 606 Sos_lib : aliased String := "GNAT.OS_Lib"; 607 Sregexp : aliased String := "GNAT.Regexp"; 608 Sregpat : aliased String := "GNAT.Regpat"; 609 Sstring : aliased String := "GNAT.Strings"; 610 Sstusta : aliased String := "GNAT.Task_Stack_Usage"; 611 Stasloc : aliased String := "GNAT.Task_Lock"; 612 Sutf_32 : aliased String := "GNAT.UTF_32"; 613 614 -- Array giving mapping 615 616 Map_Array : constant array (1 .. 10) of Aunit_Record := ( 617 ("casuti", Scasuti'Access), 618 ("crc32 ", Scrc32 'Access), 619 ("htable", Shtable'Access), 620 ("os_lib", Sos_lib'Access), 621 ("regexp", Sregexp'Access), 622 ("regpat", Sregpat'Access), 623 ("string", Sstring'Access), 624 ("stusta", Sstusta'Access), 625 ("tasloc", Stasloc'Access), 626 ("utf_32", Sutf_32'Access)); 627 628 ---------------------- 629 -- Get_Kind_Of_Unit -- 630 ---------------------- 631 632 function Get_Kind_Of_Unit (U : Unit_Number_Type) return Kind_Of_Unit is 633 Fname : constant File_Name_Type := Unit_File_Name (U); 634 635 begin 636 Error_Msg_Strlen := 0; 637 Get_Name_String (Fname); 638 639 -- Ada/System/Interfaces are all Ada 95 units 640 641 if (Name_Len = 7 and then Name_Buffer (1 .. 7) = "ada.ads") 642 or else 643 (Name_Len = 10 and then Name_Buffer (1 .. 10) = "system.ads") 644 or else 645 (Name_Len = 12 and then Name_Buffer (1 .. 12) = "interfac.ads") 646 then 647 return Ada_95_Unit; 648 end if; 649 650 -- If length of file name is greater than 12, not predefined. The value 651 -- 12 here is an 8 char name with extension .ads. 652 653 if Name_Len > 12 then 654 return Not_Predefined_Unit; 655 end if; 656 657 -- Not predefined if file name does not start with a- g- s- i- 658 659 if Name_Len < 3 660 or else Name_Buffer (2) /= '-' 661 or else (Name_Buffer (1) /= 'a' 662 and then 663 Name_Buffer (1) /= 'g' 664 and then 665 Name_Buffer (1) /= 'i' 666 and then 667 Name_Buffer (1) /= 's') 668 then 669 return Not_Predefined_Unit; 670 end if; 671 672 -- To be considered predefined, the file name must end in .ads or .adb. 673 -- File names with other extensions (coming from the use of non-standard 674 -- file naming schemes) can never be predefined. 675 676 -- Note that in the context of a compiler, the .adb case will never 677 -- arise. However it can arise for other tools, e.g. gnatprove uses 678 -- this routine to detect when a construct comes from an instance of 679 -- a generic defined in a predefined unit. 680 681 if Name_Buffer (Name_Len - 3 .. Name_Len) /= ".ads" 682 and then 683 Name_Buffer (Name_Len - 3 .. Name_Len) /= ".adb" 684 then 685 return Not_Predefined_Unit; 686 end if; 687 688 -- Otherwise normalize file name to 8 characters 689 690 Name_Len := Name_Len - 4; 691 while Name_Len < 8 loop 692 Name_Len := Name_Len + 1; 693 Name_Buffer (Name_Len) := ' '; 694 end loop; 695 696 -- See if name is in 95 list 697 698 for J in Non_Imp_File_Names_95'Range loop 699 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_95 (J).Fname then 700 return Ada_95_Unit; 701 end if; 702 end loop; 703 704 -- See if name is in 2005 list 705 706 for J in Non_Imp_File_Names_05'Range loop 707 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_05 (J).Fname then 708 return Ada_2005_Unit; 709 end if; 710 end loop; 711 712 -- See if name is in 2012 list 713 714 for J in Non_Imp_File_Names_12'Range loop 715 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_12 (J).Fname then 716 return Ada_2012_Unit; 717 end if; 718 end loop; 719 720 -- Only remaining special possibilities are children of System.RPC and 721 -- System.Garlic and special files of the form System.Aux... 722 723 Get_Name_String (Unit_Name (U)); 724 725 if Name_Len > 12 726 and then Name_Buffer (1 .. 11) = "system.rpc." 727 then 728 return Ada_95_Unit; 729 end if; 730 731 if Name_Len > 15 732 and then Name_Buffer (1 .. 14) = "system.garlic." 733 then 734 return Ada_95_Unit; 735 end if; 736 737 if Name_Len > 11 738 and then Name_Buffer (1 .. 10) = "system.aux" 739 then 740 return Ada_95_Unit; 741 end if; 742 743 -- All tests failed, this is definitely an implementation unit. See if 744 -- we have an alternative name. 745 746 Get_Name_String (Fname); 747 748 if Name_Len in 11 .. 12 749 and then Name_Buffer (1 .. 2) = "s-" 750 and then Name_Buffer (Name_Len - 3 .. Name_Len) = ".ads" 751 then 752 for J in Map_Array'Range loop 753 if (Name_Len = 12 and then 754 Name_Buffer (3 .. 8) = Map_Array (J).Fname) 755 or else 756 (Name_Len = 11 and then 757 Name_Buffer (3 .. 7) = Map_Array (J).Fname (1 .. 5)) 758 then 759 Error_Msg_Strlen := Map_Array (J).Aname'Length; 760 Error_Msg_String (1 .. Error_Msg_Strlen) := 761 Map_Array (J).Aname.all; 762 end if; 763 end loop; 764 end if; 765 766 return Implementation_Unit; 767 end Get_Kind_Of_Unit; 768 769 ------------------- 770 -- Is_Known_Unit -- 771 ------------------- 772 773 function Is_Known_Unit (Nam : Node_Id) return Boolean is 774 Unam : Unit_Name_Type; 775 Fnam : File_Name_Type; 776 777 begin 778 -- If selector is not an identifier (e.g. it is a character literal or 779 -- some junk from a previous error), then definitely not a known unit. 780 781 if Nkind (Selector_Name (Nam)) /= N_Identifier then 782 return False; 783 end if; 784 785 -- Otherwise get corresponding file name 786 787 Unam := Get_Unit_Name (Nam); 788 Fnam := Get_File_Name (Unam, Subunit => False); 789 Get_Name_String (Fnam); 790 791 Error_Msg_Strlen := 0; 792 793 -- Ada/System/Interfaces are all Ada 95 units 794 795 if (Name_Len = 7 and then Name_Buffer (1 .. 7) = "ada.ads") 796 or else 797 (Name_Len = 10 and then Name_Buffer (1 .. 10) = "system.ads") 798 or else 799 (Name_Len = 12 and then Name_Buffer (1 .. 12) = "interfac.ads") 800 then 801 return True; 802 end if; 803 804 -- Remove extension from file name 805 806 if Name_Buffer (Name_Len - 3 .. Name_Len) = ".adb" 807 or else 808 Name_Buffer (Name_Len - 3 .. Name_Len) = ".ads" 809 then 810 Name_Len := Name_Len - 4; 811 else 812 return False; 813 end if; 814 815 -- Pad name to 8 characters 816 817 while Name_Len < 8 loop 818 Name_Len := Name_Len + 1; 819 Name_Buffer (Name_Len) := ' '; 820 end loop; 821 822 -- If length more than 8, definitely not a match 823 824 if Name_Len /= 8 then 825 return False; 826 end if; 827 828 -- If length is 8, search our tables 829 830 for J in Non_Imp_File_Names_95'Range loop 831 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_95 (J).Fname then 832 return True; 833 end if; 834 end loop; 835 836 for J in Non_Imp_File_Names_05'Range loop 837 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_05 (J).Fname then 838 return True; 839 end if; 840 end loop; 841 842 for J in Non_Imp_File_Names_12'Range loop 843 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_12 (J).Fname then 844 return True; 845 end if; 846 end loop; 847 848 -- If not found, not known 849 850 return False; 851 852 -- A safety guard, if we get an exception during this processing then it 853 -- is most likely the result of a previous error, or a peculiar case we 854 -- have not thought of. Since this routine is only used for error message 855 -- refinement, we will just return False. 856 857 exception 858 when others => 859 return False; 860 end Is_Known_Unit; 861 862 --------------------------- 863 -- Not_Impl_Defined_Unit -- 864 --------------------------- 865 866 function Not_Impl_Defined_Unit (U : Unit_Number_Type) return Boolean is 867 Fname : constant File_Name_Type := Unit_File_Name (U); 868 869 begin 870 Error_Msg_Strlen := 0; 871 Get_Name_String (Fname); 872 873 -- Ada/System/Interfaces are all RM-defined Ada 95 units 874 875 if (Name_Len = 7 and then Name_Buffer (1 .. 7) = "ada.ads") 876 or else 877 (Name_Len = 10 and then Name_Buffer (1 .. 10) = "system.ads") 878 or else 879 (Name_Len = 12 and then Name_Buffer (1 .. 12) = "interfac.ads") 880 then 881 return True; 882 end if; 883 884 -- If length of file name is greater than 12, then it's a user unit 885 -- and not a GNAT implementation defined unit. 886 887 if Name_Len > 12 then 888 return True; 889 end if; 890 891 -- Implementation defined if unit in the gnat hierarchy 892 893 if (Name_Len = 8 and then Name_Buffer (1 .. 8) = "gnat.ads") 894 or else (Name_Len > 2 and then Name_Buffer (1 .. 2) = "g-") 895 then 896 return False; 897 end if; 898 899 -- Not implementation defined if file name does not start with a- s- i- 900 901 if Name_Len < 3 902 or else Name_Buffer (2) /= '-' 903 or else (Name_Buffer (1) /= 'a' 904 and then 905 Name_Buffer (1) /= 'i' 906 and then 907 Name_Buffer (1) /= 's') 908 then 909 return True; 910 end if; 911 912 -- Not impl-defined if file name does not end in .ads. This can happen 913 -- when non-standard file names are being used. 914 915 if Name_Buffer (Name_Len - 3 .. Name_Len) /= ".ads" then 916 return True; 917 end if; 918 919 -- Otherwise normalize file name to 8 characters 920 921 Name_Len := Name_Len - 4; 922 while Name_Len < 8 loop 923 Name_Len := Name_Len + 1; 924 Name_Buffer (Name_Len) := ' '; 925 end loop; 926 927 -- Check our lists of names, if we find a match, return corresponding 928 -- indication of whether the file is RM defined, respecting the RM 929 -- version in which it is defined. 930 931 for J in Non_Imp_File_Names_95'Range loop 932 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_95 (J).Fname then 933 return Non_Imp_File_Names_95 (J).RMdef; 934 end if; 935 end loop; 936 937 for J in Non_Imp_File_Names_05'Range loop 938 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_05 (J).Fname then 939 return Non_Imp_File_Names_05 (J).RMdef 940 and then Ada_Version >= Ada_2005; 941 end if; 942 end loop; 943 944 for J in Non_Imp_File_Names_12'Range loop 945 if Name_Buffer (1 .. 8) = Non_Imp_File_Names_12 (J).Fname then 946 return Non_Imp_File_Names_95 (J).RMdef 947 and then Ada_Version >= Ada_2012; 948 end if; 949 end loop; 950 951 -- If unit is in System, Ada or Interfaces hierarchies and did not match 952 -- any entry in the list, means it is an internal implementation defined 953 -- unit which the restriction should definition forbid. 954 955 return True; 956 end Not_Impl_Defined_Unit; 957 958end Impunit; 959