1------------------------------------------------------------------------------ 2-- -- 3-- GNAT COMPILER COMPONENTS -- 4-- -- 5-- S N A M E S -- 6-- -- 7-- B o d y -- 8-- -- 9-- Copyright (C) 1992-2012, 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. -- 17-- -- 18-- As a special exception under Section 7 of GPL version 3, you are granted -- 19-- additional permissions described in the GCC Runtime Library Exception, -- 20-- version 3.1, as published by the Free Software Foundation. -- 21-- -- 22-- You should have received a copy of the GNU General Public License and -- 23-- a copy of the GCC Runtime Library Exception along with this program; -- 24-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- 25-- <http://www.gnu.org/licenses/>. -- 26-- -- 27-- GNAT was originally developed by the GNAT team at New York University. -- 28-- Extensive contributions were provided by Ada Core Technologies Inc. -- 29-- -- 30------------------------------------------------------------------------------ 31 32with Opt; use Opt; 33with Table; 34with Types; use Types; 35 36package body Snames is 37 38 -- Table used to record convention identifiers 39 40 type Convention_Id_Entry is record 41 Name : Name_Id; 42 Convention : Convention_Id; 43 end record; 44 45 package Convention_Identifiers is new Table.Table ( 46 Table_Component_Type => Convention_Id_Entry, 47 Table_Index_Type => Int, 48 Table_Low_Bound => 1, 49 Table_Initial => 50, 50 Table_Increment => 200, 51 Table_Name => "Name_Convention_Identifiers"); 52 53 -- Table of names to be set by Initialize. Each name is terminated by a 54 -- single #, and the end of the list is marked by a null entry, i.e. by 55 -- two # marks in succession. Note that the table does not include the 56 -- entries for a-z, since these are initialized by Namet itself. 57 58 Preset_Names : constant String := 59!! TEMPLATE INSERTION POINT 60 "#"; 61 62 --------------------- 63 -- Generated Names -- 64 --------------------- 65 66 -- This section lists the various cases of generated names which are 67 -- built from existing names by adding unique leading and/or trailing 68 -- upper case letters. In some cases these names are built recursively, 69 -- in particular names built from types may be built from types which 70 -- themselves have generated names. In this list, xxx represents an 71 -- existing name to which identifying letters are prepended or appended, 72 -- and a trailing n represents a serial number in an external name that 73 -- has some semantic significance (e.g. the n'th index type of an array). 74 75 -- xxxA access type for formal xxx in entry param record (Exp_Ch9) 76 -- xxxB tag table for tagged type xxx (Exp_Ch3) 77 -- xxxB task body procedure for task xxx (Exp_Ch9) 78 -- xxxD dispatch table for tagged type xxx (Exp_Ch3) 79 -- xxxD discriminal for discriminant xxx (Sem_Ch3) 80 -- xxxDn n'th discr check function for rec type xxx (Exp_Ch3) 81 -- xxxE elaboration boolean flag for task xxx (Exp_Ch9) 82 -- xxxE dispatch table pointer type for tagged type xxx (Exp_Ch3) 83 -- xxxE parameters for accept body for entry xxx (Exp_Ch9) 84 -- xxxFn n'th primitive of a tagged type (named xxx) (Exp_Ch3) 85 -- xxxJ tag table type index for tagged type xxx (Exp_Ch3) 86 -- xxxM master Id value for access type xxx (Exp_Ch3) 87 -- xxxP tag table pointer type for tagged type xxx (Exp_Ch3) 88 -- xxxP parameter record type for entry xxx (Exp_Ch9) 89 -- xxxPA access to parameter record type for entry xxx (Exp_Ch9) 90 -- xxxPn pointer type for n'th primitive of tagged type xxx (Exp_Ch3) 91 -- xxxR dispatch table pointer for tagged type xxx (Exp_Ch3) 92 -- xxxT tag table type for tagged type xxx (Exp_Ch3) 93 -- xxxT literal table for enumeration type xxx (Sem_Ch3) 94 -- xxxV type for task value record for task xxx (Exp_Ch9) 95 -- xxxX entry index constant (Exp_Ch9) 96 -- xxxY dispatch table type for tagged type xxx (Exp_Ch3) 97 -- xxxZ size variable for task xxx (Exp_Ch9) 98 99 -- TSS names 100 101 -- xxxDA deep adjust routine for type xxx (Exp_TSS) 102 -- xxxDF deep finalize routine for type xxx (Exp_TSS) 103 -- xxxDI deep initialize routine for type xxx (Exp_TSS) 104 -- xxxEQ composite equality routine for record type xxx (Exp_TSS) 105 -- xxxFA PolyORB/DSA From_Any converter for type xxx (Exp_TSS) 106 -- xxxIP initialization procedure for type xxx (Exp_TSS) 107 -- xxxRA RAS type access routine for type xxx (Exp_TSS) 108 -- xxxRD RAS type dereference routine for type xxx (Exp_TSS) 109 -- xxxRP Rep to Pos conversion for enumeration type xxx (Exp_TSS) 110 -- xxxSA array/slice assignment for controlled comp. arrays (Exp_TSS) 111 -- xxxSI stream input attribute subprogram for type xxx (Exp_TSS) 112 -- xxxSO stream output attribute subprogram for type xxx (Exp_TSS) 113 -- xxxSR stream read attribute subprogram for type xxx (Exp_TSS) 114 -- xxxSW stream write attribute subprogram for type xxx (Exp_TSS) 115 -- xxxTA PolyORB/DSA To_Any converter for type xxx (Exp_TSS) 116 -- xxxTC PolyORB/DSA Typecode for type xxx (Exp_TSS) 117 118 -- Implicit type names 119 120 -- TxxxT type of literal table for enumeration type xxx (Sem_Ch3) 121 122 -- (Note: this list is not complete or accurate ???) 123 124 ---------------------- 125 -- Get_Attribute_Id -- 126 ---------------------- 127 128 function Get_Attribute_Id (N : Name_Id) return Attribute_Id is 129 begin 130 if N = Name_CPU then 131 return Attribute_CPU; 132 elsif N = Name_Dispatching_Domain then 133 return Attribute_Dispatching_Domain; 134 elsif N = Name_Interrupt_Priority then 135 return Attribute_Interrupt_Priority; 136 else 137 return Attribute_Id'Val (N - First_Attribute_Name); 138 end if; 139 end Get_Attribute_Id; 140 141 ----------------------- 142 -- Get_Convention_Id -- 143 ----------------------- 144 145 function Get_Convention_Id (N : Name_Id) return Convention_Id is 146 begin 147 case N is 148 when Name_Ada => return Convention_Ada; 149 when Name_Ada_Pass_By_Copy => return Convention_Ada_Pass_By_Copy; 150 when Name_Ada_Pass_By_Reference => 151 return Convention_Ada_Pass_By_Reference; 152 when Name_Assembler => return Convention_Assembler; 153 when Name_C => return Convention_C; 154 when Name_CIL => return Convention_CIL; 155 when Name_COBOL => return Convention_COBOL; 156 when Name_CPP => return Convention_CPP; 157 when Name_Fortran => return Convention_Fortran; 158 when Name_Intrinsic => return Convention_Intrinsic; 159 when Name_Java => return Convention_Java; 160 when Name_Stdcall => return Convention_Stdcall; 161 when Name_Stubbed => return Convention_Stubbed; 162 163 -- If no direct match, then we must have a convention 164 -- identifier pragma that has specified this name. 165 166 when others => 167 for J in 1 .. Convention_Identifiers.Last loop 168 if N = Convention_Identifiers.Table (J).Name then 169 return Convention_Identifiers.Table (J).Convention; 170 end if; 171 end loop; 172 173 raise Program_Error; 174 end case; 175 end Get_Convention_Id; 176 177 ------------------------- 178 -- Get_Convention_Name -- 179 ------------------------- 180 181 function Get_Convention_Name (C : Convention_Id) return Name_Id is 182 begin 183 case C is 184 when Convention_Ada => return Name_Ada; 185 when Convention_Ada_Pass_By_Copy => return Name_Ada_Pass_By_Copy; 186 when Convention_Ada_Pass_By_Reference => 187 return Name_Ada_Pass_By_Reference; 188 when Convention_Assembler => return Name_Assembler; 189 when Convention_C => return Name_C; 190 when Convention_CIL => return Name_CIL; 191 when Convention_COBOL => return Name_COBOL; 192 when Convention_CPP => return Name_CPP; 193 when Convention_Entry => return Name_Entry; 194 when Convention_Fortran => return Name_Fortran; 195 when Convention_Intrinsic => return Name_Intrinsic; 196 when Convention_Java => return Name_Java; 197 when Convention_Protected => return Name_Protected; 198 when Convention_Stdcall => return Name_Stdcall; 199 when Convention_Stubbed => return Name_Stubbed; 200 end case; 201 end Get_Convention_Name; 202 203 --------------------------- 204 -- Get_Locking_Policy_Id -- 205 --------------------------- 206 207 function Get_Locking_Policy_Id (N : Name_Id) return Locking_Policy_Id is 208 begin 209 return Locking_Policy_Id'Val (N - First_Locking_Policy_Name); 210 end Get_Locking_Policy_Id; 211 212 ------------------- 213 -- Get_Pragma_Id -- 214 ------------------- 215 216 function Get_Pragma_Id (N : Name_Id) return Pragma_Id is 217 begin 218 if N = Name_AST_Entry then 219 return Pragma_AST_Entry; 220 elsif N = Name_CPU then 221 return Pragma_CPU; 222 elsif N = Name_Dispatching_Domain then 223 return Pragma_Dispatching_Domain; 224 elsif N = Name_Fast_Math then 225 return Pragma_Fast_Math; 226 elsif N = Name_Interface then 227 return Pragma_Interface; 228 elsif N = Name_Interrupt_Priority then 229 return Pragma_Interrupt_Priority; 230 elsif N = Name_Lock_Free then 231 return Pragma_Lock_Free; 232 elsif N = Name_Priority then 233 return Pragma_Priority; 234 elsif N = Name_Relative_Deadline then 235 return Pragma_Relative_Deadline; 236 elsif N = Name_Storage_Size then 237 return Pragma_Storage_Size; 238 elsif N = Name_Storage_Unit then 239 return Pragma_Storage_Unit; 240 elsif N not in First_Pragma_Name .. Last_Pragma_Name then 241 return Unknown_Pragma; 242 else 243 return Pragma_Id'Val (N - First_Pragma_Name); 244 end if; 245 end Get_Pragma_Id; 246 247 --------------------------- 248 -- Get_Queuing_Policy_Id -- 249 --------------------------- 250 251 function Get_Queuing_Policy_Id (N : Name_Id) return Queuing_Policy_Id is 252 begin 253 return Queuing_Policy_Id'Val (N - First_Queuing_Policy_Name); 254 end Get_Queuing_Policy_Id; 255 256 ------------------------------------ 257 -- Get_Task_Dispatching_Policy_Id -- 258 ------------------------------------ 259 260 function Get_Task_Dispatching_Policy_Id 261 (N : Name_Id) return Task_Dispatching_Policy_Id 262 is 263 begin 264 return Task_Dispatching_Policy_Id'Val 265 (N - First_Task_Dispatching_Policy_Name); 266 end Get_Task_Dispatching_Policy_Id; 267 268 ---------------- 269 -- Initialize -- 270 ---------------- 271 272 procedure Initialize is 273 P_Index : Natural; 274 Discard_Name : Name_Id; 275 276 begin 277 P_Index := Preset_Names'First; 278 loop 279 Name_Len := 0; 280 while Preset_Names (P_Index) /= '#' loop 281 Name_Len := Name_Len + 1; 282 Name_Buffer (Name_Len) := Preset_Names (P_Index); 283 P_Index := P_Index + 1; 284 end loop; 285 286 -- We do the Name_Find call to enter the name into the table, but 287 -- we don't need to do anything with the result, since we already 288 -- initialized all the preset names to have the right value (we 289 -- are depending on the order of the names and Preset_Names). 290 291 Discard_Name := Name_Find; 292 P_Index := P_Index + 1; 293 exit when Preset_Names (P_Index) = '#'; 294 end loop; 295 296 -- Make sure that number of names in standard table is correct. If 297 -- this check fails, run utility program XSNAMES to construct a new 298 -- properly matching version of the body. 299 300 pragma Assert (Discard_Name = Last_Predefined_Name); 301 302 -- Initialize the convention identifiers table with the standard 303 -- set of synonyms that we recognize for conventions. 304 305 Convention_Identifiers.Init; 306 307 Convention_Identifiers.Append ((Name_Asm, Convention_Assembler)); 308 Convention_Identifiers.Append ((Name_Assembly, Convention_Assembler)); 309 310 Convention_Identifiers.Append ((Name_Default, Convention_C)); 311 Convention_Identifiers.Append ((Name_External, Convention_C)); 312 313 Convention_Identifiers.Append ((Name_C_Plus_Plus, Convention_CPP)); 314 315 Convention_Identifiers.Append ((Name_DLL, Convention_Stdcall)); 316 Convention_Identifiers.Append ((Name_Win32, Convention_Stdcall)); 317 end Initialize; 318 319 ----------------------- 320 -- Is_Attribute_Name -- 321 ----------------------- 322 323 function Is_Attribute_Name (N : Name_Id) return Boolean is 324 begin 325 -- Don't consider Name_Elab_Subp_Body to be a valid attribute name 326 -- unless we are working in CodePeer mode. 327 328 return N in First_Attribute_Name .. Last_Attribute_Name 329 and then (CodePeer_Mode or else N /= Name_Elab_Subp_Body); 330 end Is_Attribute_Name; 331 332 ---------------------------------- 333 -- Is_Configuration_Pragma_Name -- 334 ---------------------------------- 335 336 function Is_Configuration_Pragma_Name (N : Name_Id) return Boolean is 337 begin 338 return N in First_Pragma_Name .. Last_Configuration_Pragma_Name 339 or else N = Name_Fast_Math; 340 end Is_Configuration_Pragma_Name; 341 342 ------------------------ 343 -- Is_Convention_Name -- 344 ------------------------ 345 346 function Is_Convention_Name (N : Name_Id) return Boolean is 347 begin 348 -- Check if this is one of the standard conventions 349 350 if N in First_Convention_Name .. Last_Convention_Name 351 or else N = Name_C 352 then 353 return True; 354 355 -- Otherwise check if it is in convention identifier table 356 357 else 358 for J in 1 .. Convention_Identifiers.Last loop 359 if N = Convention_Identifiers.Table (J).Name then 360 return True; 361 end if; 362 end loop; 363 364 return False; 365 end if; 366 end Is_Convention_Name; 367 368 ------------------------------ 369 -- Is_Entity_Attribute_Name -- 370 ------------------------------ 371 372 function Is_Entity_Attribute_Name (N : Name_Id) return Boolean is 373 begin 374 return N in First_Entity_Attribute_Name .. Last_Entity_Attribute_Name; 375 end Is_Entity_Attribute_Name; 376 377 -------------------------------- 378 -- Is_Function_Attribute_Name -- 379 -------------------------------- 380 381 function Is_Function_Attribute_Name (N : Name_Id) return Boolean is 382 begin 383 return N in 384 First_Renamable_Function_Attribute .. 385 Last_Renamable_Function_Attribute; 386 end Is_Function_Attribute_Name; 387 388 --------------------- 389 -- Is_Keyword_Name -- 390 --------------------- 391 392 function Is_Keyword_Name (N : Name_Id) return Boolean is 393 begin 394 return Get_Name_Table_Byte (N) /= 0 395 and then (Ada_Version >= Ada_95 396 or else N not in Ada_95_Reserved_Words) 397 and then (Ada_Version >= Ada_2005 398 or else N not in Ada_2005_Reserved_Words) 399 and then (Ada_Version >= Ada_2012 400 or else N not in Ada_2012_Reserved_Words); 401 end Is_Keyword_Name; 402 403 -------------------------------- 404 -- Is_Internal_Attribute_Name -- 405 -------------------------------- 406 407 function Is_Internal_Attribute_Name (N : Name_Id) return Boolean is 408 begin 409 return 410 N in First_Internal_Attribute_Name .. Last_Internal_Attribute_Name; 411 end Is_Internal_Attribute_Name; 412 413 ---------------------------- 414 -- Is_Locking_Policy_Name -- 415 ---------------------------- 416 417 function Is_Locking_Policy_Name (N : Name_Id) return Boolean is 418 begin 419 return N in First_Locking_Policy_Name .. Last_Locking_Policy_Name; 420 end Is_Locking_Policy_Name; 421 422 ------------------------------------- 423 -- Is_Partition_Elaboration_Policy -- 424 ------------------------------------- 425 426 function Is_Partition_Elaboration_Policy_Name 427 (N : Name_Id) return Boolean 428 is 429 begin 430 return N in First_Partition_Elaboration_Policy_Name .. 431 Last_Partition_Elaboration_Policy_Name; 432 end Is_Partition_Elaboration_Policy_Name; 433 434 ----------------------------- 435 -- Is_Operator_Symbol_Name -- 436 ----------------------------- 437 438 function Is_Operator_Symbol_Name (N : Name_Id) return Boolean is 439 begin 440 return N in First_Operator_Name .. Last_Operator_Name; 441 end Is_Operator_Symbol_Name; 442 443 -------------------- 444 -- Is_Pragma_Name -- 445 -------------------- 446 447 function Is_Pragma_Name (N : Name_Id) return Boolean is 448 begin 449 return N in First_Pragma_Name .. Last_Pragma_Name 450 or else N = Name_AST_Entry 451 or else N = Name_CPU 452 or else N = Name_Dispatching_Domain 453 or else N = Name_Fast_Math 454 or else N = Name_Interface 455 or else N = Name_Interrupt_Priority 456 or else N = Name_Lock_Free 457 or else N = Name_Relative_Deadline 458 or else N = Name_Priority 459 or else N = Name_Storage_Size 460 or else N = Name_Storage_Unit; 461 end Is_Pragma_Name; 462 463 --------------------------------- 464 -- Is_Procedure_Attribute_Name -- 465 --------------------------------- 466 467 function Is_Procedure_Attribute_Name (N : Name_Id) return Boolean is 468 begin 469 return N in First_Procedure_Attribute .. Last_Procedure_Attribute; 470 end Is_Procedure_Attribute_Name; 471 472 ---------------------------- 473 -- Is_Queuing_Policy_Name -- 474 ---------------------------- 475 476 function Is_Queuing_Policy_Name (N : Name_Id) return Boolean is 477 begin 478 return N in First_Queuing_Policy_Name .. Last_Queuing_Policy_Name; 479 end Is_Queuing_Policy_Name; 480 481 ------------------------------------- 482 -- Is_Task_Dispatching_Policy_Name -- 483 ------------------------------------- 484 485 function Is_Task_Dispatching_Policy_Name (N : Name_Id) return Boolean is 486 begin 487 return N in First_Task_Dispatching_Policy_Name .. 488 Last_Task_Dispatching_Policy_Name; 489 end Is_Task_Dispatching_Policy_Name; 490 491 ---------------------------- 492 -- Is_Type_Attribute_Name -- 493 ---------------------------- 494 495 function Is_Type_Attribute_Name (N : Name_Id) return Boolean is 496 begin 497 return N in First_Type_Attribute_Name .. Last_Type_Attribute_Name; 498 end Is_Type_Attribute_Name; 499 500 ---------------------------------- 501 -- Record_Convention_Identifier -- 502 ---------------------------------- 503 504 procedure Record_Convention_Identifier 505 (Id : Name_Id; 506 Convention : Convention_Id) 507 is 508 begin 509 Convention_Identifiers.Append ((Id, Convention)); 510 end Record_Convention_Identifier; 511 512end Snames; 513