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 Debug; use Debug; 33with Opt; use Opt; 34with Table; 35with Types; use Types; 36 37package body Snames is 38 39 -- Table used to record convention identifiers 40 41 type Convention_Id_Entry is record 42 Name : Name_Id; 43 Convention : Convention_Id; 44 end record; 45 46 package Convention_Identifiers is new Table.Table ( 47 Table_Component_Type => Convention_Id_Entry, 48 Table_Index_Type => Int, 49 Table_Low_Bound => 1, 50 Table_Initial => 50, 51 Table_Increment => 200, 52 Table_Name => "Name_Convention_Identifiers"); 53 54 -- Table of names to be set by Initialize. Each name is terminated by a 55 -- single #, and the end of the list is marked by a null entry, i.e. by 56 -- two # marks in succession. Note that the table does not include the 57 -- entries for a-z, since these are initialized by Namet itself. 58 59 Preset_Names : constant String := 60!! TEMPLATE INSERTION POINT 61 "#"; 62 63 --------------------- 64 -- Generated Names -- 65 --------------------- 66 67 -- This section lists the various cases of generated names which are 68 -- built from existing names by adding unique leading and/or trailing 69 -- upper case letters. In some cases these names are built recursively, 70 -- in particular names built from types may be built from types which 71 -- themselves have generated names. In this list, xxx represents an 72 -- existing name to which identifying letters are prepended or appended, 73 -- and a trailing n represents a serial number in an external name that 74 -- has some semantic significance (e.g. the n'th index type of an array). 75 76 -- xxxA access type for formal xxx in entry param record (Exp_Ch9) 77 -- xxxB tag table for tagged type xxx (Exp_Ch3) 78 -- xxxB task body procedure for task xxx (Exp_Ch9) 79 -- xxxD dispatch table for tagged type xxx (Exp_Ch3) 80 -- xxxD discriminal for discriminant xxx (Sem_Ch3) 81 -- xxxDn n'th discr check function for rec type xxx (Exp_Ch3) 82 -- xxxE elaboration boolean flag for task xxx (Exp_Ch9) 83 -- xxxE dispatch table pointer type for tagged type xxx (Exp_Ch3) 84 -- xxxE parameters for accept body for entry xxx (Exp_Ch9) 85 -- xxxFn n'th primitive of a tagged type (named xxx) (Exp_Ch3) 86 -- xxxJ tag table type index for tagged type xxx (Exp_Ch3) 87 -- xxxM master Id value for access type xxx (Exp_Ch3) 88 -- xxxP tag table pointer type for tagged type xxx (Exp_Ch3) 89 -- xxxP parameter record type for entry xxx (Exp_Ch9) 90 -- xxxPA access to parameter record type for entry xxx (Exp_Ch9) 91 -- xxxPn pointer type for n'th primitive of tagged type xxx (Exp_Ch3) 92 -- xxxR dispatch table pointer for tagged type xxx (Exp_Ch3) 93 -- xxxT tag table type for tagged type xxx (Exp_Ch3) 94 -- xxxT literal table for enumeration type xxx (Sem_Ch3) 95 -- xxxV type for task value record for task xxx (Exp_Ch9) 96 -- xxxX entry index constant (Exp_Ch9) 97 -- xxxY dispatch table type for tagged type xxx (Exp_Ch3) 98 -- xxxZ size variable for task xxx (Exp_Ch9) 99 100 -- TSS names 101 102 -- xxxDA deep adjust routine for type xxx (Exp_TSS) 103 -- xxxDF deep finalize routine for type xxx (Exp_TSS) 104 -- xxxDI deep initialize routine for type xxx (Exp_TSS) 105 -- xxxEQ composite equality routine for record type xxx (Exp_TSS) 106 -- xxxFA PolyORB/DSA From_Any converter for type xxx (Exp_TSS) 107 -- xxxIP initialization procedure for type xxx (Exp_TSS) 108 -- xxxRA RAS type access routine for type xxx (Exp_TSS) 109 -- xxxRD RAS type dereference routine for type xxx (Exp_TSS) 110 -- xxxRP Rep to Pos conversion for enumeration type xxx (Exp_TSS) 111 -- xxxSA array/slice assignment for controlled comp. arrays (Exp_TSS) 112 -- xxxSI stream input attribute subprogram for type xxx (Exp_TSS) 113 -- xxxSO stream output attribute subprogram for type xxx (Exp_TSS) 114 -- xxxSR stream read attribute subprogram for type xxx (Exp_TSS) 115 -- xxxSW stream write attribute subprogram for type xxx (Exp_TSS) 116 -- xxxTA PolyORB/DSA To_Any converter for type xxx (Exp_TSS) 117 -- xxxTC PolyORB/DSA Typecode for type xxx (Exp_TSS) 118 119 -- Implicit type names 120 121 -- TxxxT type of literal table for enumeration type xxx (Sem_Ch3) 122 123 -- (Note: this list is not complete or accurate ???) 124 125 ---------------------- 126 -- Get_Attribute_Id -- 127 ---------------------- 128 129 function Get_Attribute_Id (N : Name_Id) return Attribute_Id is 130 begin 131 if N = Name_CPU then 132 return Attribute_CPU; 133 elsif N = Name_Dispatching_Domain then 134 return Attribute_Dispatching_Domain; 135 elsif N = Name_Interrupt_Priority then 136 return Attribute_Interrupt_Priority; 137 else 138 return Attribute_Id'Val (N - First_Attribute_Name); 139 end if; 140 end Get_Attribute_Id; 141 142 ----------------------- 143 -- Get_Convention_Id -- 144 ----------------------- 145 146 function Get_Convention_Id (N : Name_Id) return Convention_Id is 147 begin 148 case N is 149 when Name_Ada => return Convention_Ada; 150 when Name_Ada_Pass_By_Copy => return Convention_Ada_Pass_By_Copy; 151 when Name_Ada_Pass_By_Reference => return 152 Convention_Ada_Pass_By_Reference; 153 when Name_Assembler => return Convention_Assembler; 154 when Name_C => return Convention_C; 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_Stdcall => return Convention_Stdcall; 160 when Name_Stubbed => return Convention_Stubbed; 161 162 -- If no direct match, then we must have a convention 163 -- identifier pragma that has specified this name. 164 165 when others => 166 for J in 1 .. Convention_Identifiers.Last loop 167 if N = Convention_Identifiers.Table (J).Name then 168 return Convention_Identifiers.Table (J).Convention; 169 end if; 170 end loop; 171 172 raise Program_Error; 173 end case; 174 end Get_Convention_Id; 175 176 ------------------------- 177 -- Get_Convention_Name -- 178 ------------------------- 179 180 function Get_Convention_Name (C : Convention_Id) return Name_Id is 181 begin 182 case C is 183 when Convention_Ada => return Name_Ada; 184 when Convention_Ada_Pass_By_Copy => return Name_Ada_Pass_By_Copy; 185 when Convention_Ada_Pass_By_Reference => 186 return Name_Ada_Pass_By_Reference; 187 when Convention_Assembler => return Name_Assembler; 188 when Convention_C => return Name_C; 189 when Convention_COBOL => return Name_COBOL; 190 when Convention_CPP => return Name_CPP; 191 when Convention_Entry => return Name_Entry; 192 when Convention_Fortran => return Name_Fortran; 193 when Convention_Intrinsic => return Name_Intrinsic; 194 when Convention_Protected => return Name_Protected; 195 when Convention_Stdcall => return Name_Stdcall; 196 when Convention_Stubbed => return Name_Stubbed; 197 end case; 198 end Get_Convention_Name; 199 200 --------------------------- 201 -- Get_Locking_Policy_Id -- 202 --------------------------- 203 204 function Get_Locking_Policy_Id (N : Name_Id) return Locking_Policy_Id is 205 begin 206 return Locking_Policy_Id'Val (N - First_Locking_Policy_Name); 207 end Get_Locking_Policy_Id; 208 209 ------------------- 210 -- Get_Pragma_Id -- 211 ------------------- 212 213 function Get_Pragma_Id (N : Name_Id) return Pragma_Id is 214 begin 215 case N is 216 when Name_CPU => 217 return Pragma_CPU; 218 when Name_Default_Scalar_Storage_Order => 219 return Pragma_Default_Scalar_Storage_Order; 220 when Name_Dispatching_Domain => 221 return Pragma_Dispatching_Domain; 222 when Name_Fast_Math => 223 return Pragma_Fast_Math; 224 when Name_Interface => 225 return Pragma_Interface; 226 when Name_Interrupt_Priority => 227 return Pragma_Interrupt_Priority; 228 when Name_Lock_Free => 229 return Pragma_Lock_Free; 230 when Name_Priority => 231 return Pragma_Priority; 232 when Name_Storage_Size => 233 return Pragma_Storage_Size; 234 when Name_Storage_Unit => 235 return Pragma_Storage_Unit; 236 when First_Pragma_Name .. Last_Pragma_Name => 237 return Pragma_Id'Val (N - First_Pragma_Name); 238 when others => 239 return Unknown_Pragma; 240 end case; 241 end Get_Pragma_Id; 242 243 --------------------------- 244 -- Get_Queuing_Policy_Id -- 245 --------------------------- 246 247 function Get_Queuing_Policy_Id (N : Name_Id) return Queuing_Policy_Id is 248 begin 249 return Queuing_Policy_Id'Val (N - First_Queuing_Policy_Name); 250 end Get_Queuing_Policy_Id; 251 252 ------------------------------------ 253 -- Get_Task_Dispatching_Policy_Id -- 254 ------------------------------------ 255 256 function Get_Task_Dispatching_Policy_Id 257 (N : Name_Id) return Task_Dispatching_Policy_Id 258 is 259 begin 260 return Task_Dispatching_Policy_Id'Val 261 (N - First_Task_Dispatching_Policy_Name); 262 end Get_Task_Dispatching_Policy_Id; 263 264 ---------------- 265 -- Initialize -- 266 ---------------- 267 268 procedure Initialize is 269 P_Index : Natural; 270 Discard_Name : Name_Id; 271 272 begin 273 P_Index := Preset_Names'First; 274 loop 275 Name_Len := 0; 276 while Preset_Names (P_Index) /= '#' loop 277 Name_Len := Name_Len + 1; 278 Name_Buffer (Name_Len) := Preset_Names (P_Index); 279 P_Index := P_Index + 1; 280 end loop; 281 282 -- We do the Name_Find call to enter the name into the table, but 283 -- we don't need to do anything with the result, since we already 284 -- initialized all the preset names to have the right value (we 285 -- are depending on the order of the names and Preset_Names). 286 287 Discard_Name := Name_Find; 288 P_Index := P_Index + 1; 289 exit when Preset_Names (P_Index) = '#'; 290 end loop; 291 292 -- Make sure that number of names in standard table is correct. If this 293 -- check fails, run utility program XSNAMES to construct a new properly 294 -- matching version of the body. 295 296 pragma Assert (Discard_Name = Last_Predefined_Name); 297 298 -- Initialize the convention identifiers table with the standard set of 299 -- synonyms that we recognize for conventions. 300 301 Convention_Identifiers.Init; 302 303 Convention_Identifiers.Append ((Name_Asm, Convention_Assembler)); 304 Convention_Identifiers.Append ((Name_Assembly, Convention_Assembler)); 305 306 Convention_Identifiers.Append ((Name_Default, Convention_C)); 307 Convention_Identifiers.Append ((Name_External, Convention_C)); 308 309 Convention_Identifiers.Append ((Name_C_Plus_Plus, Convention_CPP)); 310 311 Convention_Identifiers.Append ((Name_DLL, Convention_Stdcall)); 312 Convention_Identifiers.Append ((Name_Win32, Convention_Stdcall)); 313 end Initialize; 314 315 ----------------------- 316 -- Is_Attribute_Name -- 317 ----------------------- 318 319 function Is_Attribute_Name (N : Name_Id) return Boolean is 320 begin 321 -- Don't consider Name_Elab_Subp_Body to be a valid attribute name 322 -- unless we are working in CodePeer mode. 323 324 return N in First_Attribute_Name .. Last_Attribute_Name 325 and then (CodePeer_Mode or else N /= Name_Elab_Subp_Body); 326 end Is_Attribute_Name; 327 328 ---------------------------------- 329 -- Is_Configuration_Pragma_Name -- 330 ---------------------------------- 331 332 function Is_Configuration_Pragma_Name (N : Name_Id) return Boolean is 333 begin 334 return N in First_Pragma_Name .. Last_Configuration_Pragma_Name 335 or else N = Name_Default_Scalar_Storage_Order 336 or else N = Name_Fast_Math; 337 end Is_Configuration_Pragma_Name; 338 339 ------------------------ 340 -- Is_Convention_Name -- 341 ------------------------ 342 343 function Is_Convention_Name (N : Name_Id) return Boolean is 344 begin 345 -- Check if this is one of the standard conventions 346 347 if N in First_Convention_Name .. Last_Convention_Name 348 or else N = Name_C 349 then 350 return True; 351 352 -- Otherwise check if it is in convention identifier table 353 354 else 355 for J in 1 .. Convention_Identifiers.Last loop 356 if N = Convention_Identifiers.Table (J).Name then 357 return True; 358 end if; 359 end loop; 360 361 return False; 362 end if; 363 end Is_Convention_Name; 364 365 ------------------------------ 366 -- Is_Entity_Attribute_Name -- 367 ------------------------------ 368 369 function Is_Entity_Attribute_Name (N : Name_Id) return Boolean is 370 begin 371 return N in First_Entity_Attribute_Name .. Last_Entity_Attribute_Name; 372 end Is_Entity_Attribute_Name; 373 374 -------------------------------- 375 -- Is_Function_Attribute_Name -- 376 -------------------------------- 377 378 function Is_Function_Attribute_Name (N : Name_Id) return Boolean is 379 begin 380 return N in 381 First_Renamable_Function_Attribute .. 382 Last_Renamable_Function_Attribute; 383 end Is_Function_Attribute_Name; 384 385 --------------------- 386 -- Is_Keyword_Name -- 387 --------------------- 388 389 function Is_Keyword_Name (N : Name_Id) return Boolean is 390 begin 391 return Get_Name_Table_Byte (N) /= 0 392 and then (Ada_Version >= Ada_95 393 or else N not in Ada_95_Reserved_Words) 394 and then (Ada_Version >= Ada_2005 395 or else N not in Ada_2005_Reserved_Words 396 or else (Debug_Flag_Dot_DD and then N = Name_Overriding)) 397 -- Accept 'overriding' keywords if -gnatd.D is used, 398 -- for compatibility with Ada 95 compilers implementing 399 -- only this Ada 2005 extension. 400 and then (Ada_Version >= Ada_2012 401 or else N not in Ada_2012_Reserved_Words); 402 end Is_Keyword_Name; 403 404 -------------------------------- 405 -- Is_Internal_Attribute_Name -- 406 -------------------------------- 407 408 function Is_Internal_Attribute_Name (N : Name_Id) return Boolean is 409 begin 410 return 411 N in First_Internal_Attribute_Name .. Last_Internal_Attribute_Name; 412 end Is_Internal_Attribute_Name; 413 414 ---------------------------- 415 -- Is_Locking_Policy_Name -- 416 ---------------------------- 417 418 function Is_Locking_Policy_Name (N : Name_Id) return Boolean is 419 begin 420 return N in First_Locking_Policy_Name .. Last_Locking_Policy_Name; 421 end Is_Locking_Policy_Name; 422 423 ------------------------------------- 424 -- Is_Partition_Elaboration_Policy -- 425 ------------------------------------- 426 427 function Is_Partition_Elaboration_Policy_Name 428 (N : Name_Id) return Boolean 429 is 430 begin 431 return N in First_Partition_Elaboration_Policy_Name .. 432 Last_Partition_Elaboration_Policy_Name; 433 end Is_Partition_Elaboration_Policy_Name; 434 435 ----------------------------- 436 -- Is_Operator_Symbol_Name -- 437 ----------------------------- 438 439 function Is_Operator_Symbol_Name (N : Name_Id) return Boolean is 440 begin 441 return N in First_Operator_Name .. Last_Operator_Name; 442 end Is_Operator_Symbol_Name; 443 444 -------------------- 445 -- Is_Pragma_Name -- 446 -------------------- 447 448 function Is_Pragma_Name (N : Name_Id) return Boolean is 449 begin 450 return N in First_Pragma_Name .. Last_Pragma_Name 451 or else N = Name_CPU 452 or else N = Name_Default_Scalar_Storage_Order 453 or else N = Name_Dispatching_Domain 454 or else N = Name_Fast_Math 455 or else N = Name_Interface 456 or else N = Name_Interrupt_Priority 457 or else N = Name_Lock_Free 458 or else N = Name_Relative_Deadline 459 or else N = Name_Priority 460 or else N = Name_Storage_Size 461 or else N = Name_Storage_Unit; 462 end Is_Pragma_Name; 463 464 --------------------------------- 465 -- Is_Procedure_Attribute_Name -- 466 --------------------------------- 467 468 function Is_Procedure_Attribute_Name (N : Name_Id) return Boolean is 469 begin 470 return N in First_Procedure_Attribute .. Last_Procedure_Attribute; 471 end Is_Procedure_Attribute_Name; 472 473 ---------------------------- 474 -- Is_Queuing_Policy_Name -- 475 ---------------------------- 476 477 function Is_Queuing_Policy_Name (N : Name_Id) return Boolean is 478 begin 479 return N in First_Queuing_Policy_Name .. Last_Queuing_Policy_Name; 480 end Is_Queuing_Policy_Name; 481 482 ------------------------------------- 483 -- Is_Task_Dispatching_Policy_Name -- 484 ------------------------------------- 485 486 function Is_Task_Dispatching_Policy_Name (N : Name_Id) return Boolean is 487 begin 488 return N in First_Task_Dispatching_Policy_Name .. 489 Last_Task_Dispatching_Policy_Name; 490 end Is_Task_Dispatching_Policy_Name; 491 492 ---------------------------- 493 -- Is_Type_Attribute_Name -- 494 ---------------------------- 495 496 function Is_Type_Attribute_Name (N : Name_Id) return Boolean is 497 begin 498 return N in First_Type_Attribute_Name .. Last_Type_Attribute_Name; 499 end Is_Type_Attribute_Name; 500 501 ---------------------------------- 502 -- Record_Convention_Identifier -- 503 ---------------------------------- 504 505 procedure Record_Convention_Identifier 506 (Id : Name_Id; 507 Convention : Convention_Id) 508 is 509 begin 510 Convention_Identifiers.Append ((Id, Convention)); 511 end Record_Convention_Identifier; 512 513end Snames; 514