1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2012, 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. --
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. --
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/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 with Debug; use Debug;
35 with Types; use Types;
37 package body Snames is
39 -- Table used to record convention identifiers
41 type Convention_Id_Entry is record
43 Convention : Convention_Id;
46 package Convention_Identifiers is new Table.Table (
47 Table_Component_Type => Convention_Id_Entry,
48 Table_Index_Type => Int,
51 Table_Increment => 200,
52 Table_Name => "Name_Convention_Identifiers");
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.
59 Preset_Names : constant String :=
60 !! TEMPLATE INSERTION POINT
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).
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)
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)
119 -- Implicit type names
121 -- TxxxT type of literal table for enumeration type xxx (Sem_Ch3)
123 -- (Note: this list is not complete or accurate ???)
125 ----------------------
126 -- Get_Attribute_Id --
127 ----------------------
129 function Get_Attribute_Id (N : Name_Id) return Attribute_Id is
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;
138 return Attribute_Id'Val (N - First_Attribute_Name);
140 end Get_Attribute_Id;
142 -----------------------
143 -- Get_Convention_Id --
144 -----------------------
146 function Get_Convention_Id (N : Name_Id) return Convention_Id 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;
162 -- If no direct match, then we must have a convention
163 -- identifier pragma that has specified this name.
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;
174 end Get_Convention_Id;
176 -------------------------
177 -- Get_Convention_Name --
178 -------------------------
180 function Get_Convention_Name (C : Convention_Id) return Name_Id 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;
198 end Get_Convention_Name;
200 ---------------------------
201 -- Get_Locking_Policy_Id --
202 ---------------------------
204 function Get_Locking_Policy_Id (N : Name_Id) return Locking_Policy_Id is
206 return Locking_Policy_Id'Val (N - First_Locking_Policy_Name);
207 end Get_Locking_Policy_Id;
213 function Get_Pragma_Id (N : Name_Id) return Pragma_Id is
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);
239 return Unknown_Pragma;
243 ---------------------------
244 -- Get_Queuing_Policy_Id --
245 ---------------------------
247 function Get_Queuing_Policy_Id (N : Name_Id) return Queuing_Policy_Id is
249 return Queuing_Policy_Id'Val (N - First_Queuing_Policy_Name);
250 end Get_Queuing_Policy_Id;
252 ------------------------------------
253 -- Get_Task_Dispatching_Policy_Id --
254 ------------------------------------
256 function Get_Task_Dispatching_Policy_Id
257 (N : Name_Id) return Task_Dispatching_Policy_Id
260 return Task_Dispatching_Policy_Id'Val
261 (N - First_Task_Dispatching_Policy_Name);
262 end Get_Task_Dispatching_Policy_Id;
268 procedure Initialize is
270 Discard_Name : Name_Id;
273 P_Index := Preset_Names'First;
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;
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).
287 Discard_Name := Name_Find;
288 P_Index := P_Index + 1;
289 exit when Preset_Names (P_Index) = '#';
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.
296 pragma Assert (Discard_Name = Last_Predefined_Name);
298 -- Initialize the convention identifiers table with the standard set of
299 -- synonyms that we recognize for conventions.
301 Convention_Identifiers.Init;
303 Convention_Identifiers.Append ((Name_Asm, Convention_Assembler));
304 Convention_Identifiers.Append ((Name_Assembly, Convention_Assembler));
306 Convention_Identifiers.Append ((Name_Default, Convention_C));
307 Convention_Identifiers.Append ((Name_External, Convention_C));
309 Convention_Identifiers.Append ((Name_C_Plus_Plus, Convention_CPP));
311 Convention_Identifiers.Append ((Name_DLL, Convention_Stdcall));
312 Convention_Identifiers.Append ((Name_Win32, Convention_Stdcall));
315 -----------------------
316 -- Is_Attribute_Name --
317 -----------------------
319 function Is_Attribute_Name (N : Name_Id) return Boolean is
321 -- Don't consider Name_Elab_Subp_Body to be a valid attribute name
322 -- unless we are working in CodePeer mode.
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;
328 ----------------------------------
329 -- Is_Configuration_Pragma_Name --
330 ----------------------------------
332 function Is_Configuration_Pragma_Name (N : Name_Id) return Boolean is
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;
339 ------------------------
340 -- Is_Convention_Name --
341 ------------------------
343 function Is_Convention_Name (N : Name_Id) return Boolean is
345 -- Check if this is one of the standard conventions
347 if N in First_Convention_Name .. Last_Convention_Name
352 -- Otherwise check if it is in convention identifier table
355 for J in 1 .. Convention_Identifiers.Last loop
356 if N = Convention_Identifiers.Table (J).Name then
363 end Is_Convention_Name;
365 ------------------------------
366 -- Is_Entity_Attribute_Name --
367 ------------------------------
369 function Is_Entity_Attribute_Name (N : Name_Id) return Boolean is
371 return N in First_Entity_Attribute_Name .. Last_Entity_Attribute_Name;
372 end Is_Entity_Attribute_Name;
374 --------------------------------
375 -- Is_Function_Attribute_Name --
376 --------------------------------
378 function Is_Function_Attribute_Name (N : Name_Id) return Boolean is
381 First_Renamable_Function_Attribute ..
382 Last_Renamable_Function_Attribute;
383 end Is_Function_Attribute_Name;
385 ---------------------
386 -- Is_Keyword_Name --
387 ---------------------
389 function Is_Keyword_Name (N : Name_Id) return Boolean is
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);
404 --------------------------------
405 -- Is_Internal_Attribute_Name --
406 --------------------------------
408 function Is_Internal_Attribute_Name (N : Name_Id) return Boolean is
411 N in First_Internal_Attribute_Name .. Last_Internal_Attribute_Name;
412 end Is_Internal_Attribute_Name;
414 ----------------------------
415 -- Is_Locking_Policy_Name --
416 ----------------------------
418 function Is_Locking_Policy_Name (N : Name_Id) return Boolean is
420 return N in First_Locking_Policy_Name .. Last_Locking_Policy_Name;
421 end Is_Locking_Policy_Name;
423 -------------------------------------
424 -- Is_Partition_Elaboration_Policy --
425 -------------------------------------
427 function Is_Partition_Elaboration_Policy_Name
428 (N : Name_Id) return Boolean
431 return N in First_Partition_Elaboration_Policy_Name ..
432 Last_Partition_Elaboration_Policy_Name;
433 end Is_Partition_Elaboration_Policy_Name;
435 -----------------------------
436 -- Is_Operator_Symbol_Name --
437 -----------------------------
439 function Is_Operator_Symbol_Name (N : Name_Id) return Boolean is
441 return N in First_Operator_Name .. Last_Operator_Name;
442 end Is_Operator_Symbol_Name;
448 function Is_Pragma_Name (N : Name_Id) return Boolean is
450 return N in First_Pragma_Name .. Last_Pragma_Name
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;
464 ---------------------------------
465 -- Is_Procedure_Attribute_Name --
466 ---------------------------------
468 function Is_Procedure_Attribute_Name (N : Name_Id) return Boolean is
470 return N in First_Procedure_Attribute .. Last_Procedure_Attribute;
471 end Is_Procedure_Attribute_Name;
473 ----------------------------
474 -- Is_Queuing_Policy_Name --
475 ----------------------------
477 function Is_Queuing_Policy_Name (N : Name_Id) return Boolean is
479 return N in First_Queuing_Policy_Name .. Last_Queuing_Policy_Name;
480 end Is_Queuing_Policy_Name;
482 -------------------------------------
483 -- Is_Task_Dispatching_Policy_Name --
484 -------------------------------------
486 function Is_Task_Dispatching_Policy_Name (N : Name_Id) return Boolean is
488 return N in First_Task_Dispatching_Policy_Name ..
489 Last_Task_Dispatching_Policy_Name;
490 end Is_Task_Dispatching_Policy_Name;
492 ----------------------------
493 -- Is_Type_Attribute_Name --
494 ----------------------------
496 function Is_Type_Attribute_Name (N : Name_Id) return Boolean is
498 return N in First_Type_Attribute_Name .. Last_Type_Attribute_Name;
499 end Is_Type_Attribute_Name;
501 ----------------------------------
502 -- Record_Convention_Identifier --
503 ----------------------------------
505 procedure Record_Convention_Identifier
507 Convention : Convention_Id)
510 Convention_Identifiers.Append ((Id, Convention));
511 end Record_Convention_Identifier;