1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2009, 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 ------------------------------------------------------------------------------
34 with Types; use Types;
36 package body Snames is
38 -- Table used to record convention identifiers
40 type Convention_Id_Entry is record
42 Convention : Convention_Id;
45 package Convention_Identifiers is new Table.Table (
46 Table_Component_Type => Convention_Id_Entry,
47 Table_Index_Type => Int,
50 Table_Increment => 200,
51 Table_Name => "Name_Convention_Identifiers");
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.
58 Preset_Names : constant String :=
59 !! TEMPLATE INSERTION POINT
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).
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)
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)
118 -- Implicit type names
120 -- TxxxT type of literal table for enumeration type xxx (Sem_Ch3)
122 -- (Note: this list is not complete or accurate ???)
124 ----------------------
125 -- Get_Attribute_Id --
126 ----------------------
128 function Get_Attribute_Id (N : Name_Id) return Attribute_Id is
130 return Attribute_Id'Val (N - First_Attribute_Name);
131 end Get_Attribute_Id;
133 -----------------------
134 -- Get_Convention_Id --
135 -----------------------
137 function Get_Convention_Id (N : Name_Id) return Convention_Id is
140 when Name_Ada => return Convention_Ada;
141 when Name_Assembler => return Convention_Assembler;
142 when Name_C => return Convention_C;
143 when Name_CIL => return Convention_CIL;
144 when Name_COBOL => return Convention_COBOL;
145 when Name_CPP => return Convention_CPP;
146 when Name_Fortran => return Convention_Fortran;
147 when Name_Intrinsic => return Convention_Intrinsic;
148 when Name_Java => return Convention_Java;
149 when Name_Stdcall => return Convention_Stdcall;
150 when Name_Stubbed => return Convention_Stubbed;
152 -- If no direct match, then we must have a convention
153 -- identifier pragma that has specified this name.
156 for J in 1 .. Convention_Identifiers.Last loop
157 if N = Convention_Identifiers.Table (J).Name then
158 return Convention_Identifiers.Table (J).Convention;
164 end Get_Convention_Id;
166 -------------------------
167 -- Get_Convention_Name --
168 -------------------------
170 function Get_Convention_Name (C : Convention_Id) return Name_Id is
173 when Convention_Ada => return Name_Ada;
174 when Convention_Assembler => return Name_Assembler;
175 when Convention_C => return Name_C;
176 when Convention_CIL => return Name_CIL;
177 when Convention_COBOL => return Name_COBOL;
178 when Convention_CPP => return Name_CPP;
179 when Convention_Entry => return Name_Entry;
180 when Convention_Fortran => return Name_Fortran;
181 when Convention_Intrinsic => return Name_Intrinsic;
182 when Convention_Java => return Name_Java;
183 when Convention_Protected => return Name_Protected;
184 when Convention_Stdcall => return Name_Stdcall;
185 when Convention_Stubbed => return Name_Stubbed;
187 end Get_Convention_Name;
189 ---------------------------
190 -- Get_Locking_Policy_Id --
191 ---------------------------
193 function Get_Locking_Policy_Id (N : Name_Id) return Locking_Policy_Id is
195 return Locking_Policy_Id'Val (N - First_Locking_Policy_Name);
196 end Get_Locking_Policy_Id;
202 function Get_Pragma_Id (N : Name_Id) return Pragma_Id is
204 if N = Name_AST_Entry then
205 return Pragma_AST_Entry;
206 elsif N = Name_Fast_Math then
207 return Pragma_Fast_Math;
208 elsif N = Name_Interface then
209 return Pragma_Interface;
210 elsif N = Name_Priority then
211 return Pragma_Priority;
212 elsif N = Name_Relative_Deadline then
213 return Pragma_Relative_Deadline;
214 elsif N = Name_Storage_Size then
215 return Pragma_Storage_Size;
216 elsif N = Name_Storage_Unit then
217 return Pragma_Storage_Unit;
218 elsif N not in First_Pragma_Name .. Last_Pragma_Name then
219 return Unknown_Pragma;
221 return Pragma_Id'Val (N - First_Pragma_Name);
225 ---------------------------
226 -- Get_Queuing_Policy_Id --
227 ---------------------------
229 function Get_Queuing_Policy_Id (N : Name_Id) return Queuing_Policy_Id is
231 return Queuing_Policy_Id'Val (N - First_Queuing_Policy_Name);
232 end Get_Queuing_Policy_Id;
234 ------------------------------------
235 -- Get_Task_Dispatching_Policy_Id --
236 ------------------------------------
238 function Get_Task_Dispatching_Policy_Id
239 (N : Name_Id) return Task_Dispatching_Policy_Id
242 return Task_Dispatching_Policy_Id'Val
243 (N - First_Task_Dispatching_Policy_Name);
244 end Get_Task_Dispatching_Policy_Id;
250 procedure Initialize is
252 Discard_Name : Name_Id;
255 P_Index := Preset_Names'First;
258 while Preset_Names (P_Index) /= '#' loop
259 Name_Len := Name_Len + 1;
260 Name_Buffer (Name_Len) := Preset_Names (P_Index);
261 P_Index := P_Index + 1;
264 -- We do the Name_Find call to enter the name into the table, but
265 -- we don't need to do anything with the result, since we already
266 -- initialized all the preset names to have the right value (we
267 -- are depending on the order of the names and Preset_Names).
269 Discard_Name := Name_Find;
270 P_Index := P_Index + 1;
271 exit when Preset_Names (P_Index) = '#';
274 -- Make sure that number of names in standard table is correct. If
275 -- this check fails, run utility program XSNAMES to construct a new
276 -- properly matching version of the body.
278 pragma Assert (Discard_Name = Last_Predefined_Name);
280 -- Initialize the convention identifiers table with the standard
281 -- set of synonyms that we recognize for conventions.
283 Convention_Identifiers.Init;
285 Convention_Identifiers.Append ((Name_Asm, Convention_Assembler));
286 Convention_Identifiers.Append ((Name_Assembly, Convention_Assembler));
288 Convention_Identifiers.Append ((Name_Default, Convention_C));
289 Convention_Identifiers.Append ((Name_External, Convention_C));
291 Convention_Identifiers.Append ((Name_C_Plus_Plus, Convention_CPP));
293 Convention_Identifiers.Append ((Name_DLL, Convention_Stdcall));
294 Convention_Identifiers.Append ((Name_Win32, Convention_Stdcall));
297 -----------------------
298 -- Is_Attribute_Name --
299 -----------------------
301 function Is_Attribute_Name (N : Name_Id) return Boolean is
303 return N in First_Attribute_Name .. Last_Attribute_Name;
304 end Is_Attribute_Name;
306 ----------------------------------
307 -- Is_Configuration_Pragma_Name --
308 ----------------------------------
310 function Is_Configuration_Pragma_Name (N : Name_Id) return Boolean is
312 return N in First_Pragma_Name .. Last_Configuration_Pragma_Name
313 or else N = Name_Fast_Math;
314 end Is_Configuration_Pragma_Name;
316 ------------------------
317 -- Is_Convention_Name --
318 ------------------------
320 function Is_Convention_Name (N : Name_Id) return Boolean is
322 -- Check if this is one of the standard conventions
324 if N in First_Convention_Name .. Last_Convention_Name
329 -- Otherwise check if it is in convention identifier table
332 for J in 1 .. Convention_Identifiers.Last loop
333 if N = Convention_Identifiers.Table (J).Name then
340 end Is_Convention_Name;
342 ------------------------------
343 -- Is_Entity_Attribute_Name --
344 ------------------------------
346 function Is_Entity_Attribute_Name (N : Name_Id) return Boolean is
348 return N in First_Entity_Attribute_Name .. Last_Entity_Attribute_Name;
349 end Is_Entity_Attribute_Name;
351 --------------------------------
352 -- Is_Function_Attribute_Name --
353 --------------------------------
355 function Is_Function_Attribute_Name (N : Name_Id) return Boolean is
358 First_Renamable_Function_Attribute ..
359 Last_Renamable_Function_Attribute;
360 end Is_Function_Attribute_Name;
362 ---------------------
363 -- Is_Keyword_Name --
364 ---------------------
366 function Is_Keyword_Name (N : Name_Id) return Boolean is
368 return Get_Name_Table_Byte (N) /= 0
369 and then (Ada_Version >= Ada_95
370 or else N not in Ada_95_Reserved_Words)
371 and then (Ada_Version >= Ada_05
372 or else N not in Ada_2005_Reserved_Words);
375 ----------------------------
376 -- Is_Locking_Policy_Name --
377 ----------------------------
379 function Is_Locking_Policy_Name (N : Name_Id) return Boolean is
381 return N in First_Locking_Policy_Name .. Last_Locking_Policy_Name;
382 end Is_Locking_Policy_Name;
384 -----------------------------
385 -- Is_Operator_Symbol_Name --
386 -----------------------------
388 function Is_Operator_Symbol_Name (N : Name_Id) return Boolean is
390 return N in First_Operator_Name .. Last_Operator_Name;
391 end Is_Operator_Symbol_Name;
397 function Is_Pragma_Name (N : Name_Id) return Boolean is
399 return N in First_Pragma_Name .. Last_Pragma_Name
400 or else N = Name_AST_Entry
401 or else N = Name_Fast_Math
402 or else N = Name_Interface
403 or else N = Name_Relative_Deadline
404 or else N = Name_Priority
405 or else N = Name_Storage_Size
406 or else N = Name_Storage_Unit;
409 ---------------------------------
410 -- Is_Procedure_Attribute_Name --
411 ---------------------------------
413 function Is_Procedure_Attribute_Name (N : Name_Id) return Boolean is
415 return N in First_Procedure_Attribute .. Last_Procedure_Attribute;
416 end Is_Procedure_Attribute_Name;
418 ----------------------------
419 -- Is_Queuing_Policy_Name --
420 ----------------------------
422 function Is_Queuing_Policy_Name (N : Name_Id) return Boolean is
424 return N in First_Queuing_Policy_Name .. Last_Queuing_Policy_Name;
425 end Is_Queuing_Policy_Name;
427 -------------------------------------
428 -- Is_Task_Dispatching_Policy_Name --
429 -------------------------------------
431 function Is_Task_Dispatching_Policy_Name (N : Name_Id) return Boolean is
433 return N in First_Task_Dispatching_Policy_Name ..
434 Last_Task_Dispatching_Policy_Name;
435 end Is_Task_Dispatching_Policy_Name;
437 ----------------------------
438 -- Is_Type_Attribute_Name --
439 ----------------------------
441 function Is_Type_Attribute_Name (N : Name_Id) return Boolean is
443 return N in First_Type_Attribute_Name .. Last_Type_Attribute_Name;
444 end Is_Type_Attribute_Name;
446 ----------------------------------
447 -- Record_Convention_Identifier --
448 ----------------------------------
450 procedure Record_Convention_Identifier
452 Convention : Convention_Id)
455 Convention_Identifiers.Append ((Id, Convention));
456 end Record_Convention_Identifier;