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38cbfe40 RK |
1 | ------------------------------------------------------------------------------ |
2 | -- -- | |
3 | -- GNAT COMPILER COMPONENTS -- | |
4 | -- -- | |
5 | -- L I B -- | |
6 | -- -- | |
7 | -- B o d y -- | |
8 | -- -- | |
c86cf714 | 9 | -- Copyright (C) 1992-2014, Free Software Foundation, Inc. -- |
38cbfe40 RK |
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- -- | |
748086b7 | 13 | -- ware Foundation; either version 3, or (at your option) any later ver- -- |
38cbfe40 RK |
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 -- | |
748086b7 JJ |
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/>. -- | |
38cbfe40 RK |
26 | -- -- |
27 | -- GNAT was originally developed by the GNAT team at New York University. -- | |
71ff80dc | 28 | -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
38cbfe40 RK |
29 | -- -- |
30 | ------------------------------------------------------------------------------ | |
31 | ||
32 | pragma Style_Checks (All_Checks); | |
33 | -- Subprogram ordering not enforced in this unit | |
34 | -- (because of some logical groupings). | |
35 | ||
56e94186 AC |
36 | with Atree; use Atree; |
37 | with Csets; use Csets; | |
38 | with Einfo; use Einfo; | |
39 | with Fname; use Fname; | |
2a290fec | 40 | with Nlists; use Nlists; |
56e94186 AC |
41 | with Output; use Output; |
42 | with Sinfo; use Sinfo; | |
43 | with Sinput; use Sinput; | |
44 | with Stand; use Stand; | |
45 | with Stringt; use Stringt; | |
46 | with Tree_IO; use Tree_IO; | |
47 | with Uname; use Uname; | |
48 | with Widechar; use Widechar; | |
38cbfe40 RK |
49 | |
50 | package body Lib is | |
51 | ||
0da2c8ac | 52 | Switch_Storing_Enabled : Boolean := True; |
7fee6a39 | 53 | -- Controlled by Enable_Switch_Storing/Disable_Switch_Storing |
0da2c8ac | 54 | |
38cbfe40 RK |
55 | ----------------------- |
56 | -- Local Subprograms -- | |
57 | ----------------------- | |
58 | ||
59 | type SEU_Result is ( | |
60 | Yes_Before, -- S1 is in same extended unit as S2 and appears before it | |
61 | Yes_Same, -- S1 is in same extended unit as S2, Slocs are the same | |
62 | Yes_After, -- S1 is in same extended unit as S2, and appears after it | |
63 | No); -- S2 is not in same extended unit as S2 | |
64 | ||
65 | function Check_Same_Extended_Unit (S1, S2 : Source_Ptr) return SEU_Result; | |
66 | -- Used by In_Same_Extended_Unit and Earlier_In_Extended_Unit. Returns | |
67 | -- value as described above. | |
68 | ||
68e2ea27 TQ |
69 | function Get_Code_Or_Source_Unit |
70 | (S : Source_Ptr; | |
71 | Unwind_Instances : Boolean) return Unit_Number_Type; | |
72 | -- Common code for Get_Code_Unit (get unit of instantiation for location) | |
73 | -- and Get_Source_Unit (get unit of template for location). | |
74 | ||
38cbfe40 RK |
75 | -------------------------------------------- |
76 | -- Access Functions for Unit Table Fields -- | |
77 | -------------------------------------------- | |
78 | ||
79 | function Cunit (U : Unit_Number_Type) return Node_Id is | |
80 | begin | |
81 | return Units.Table (U).Cunit; | |
82 | end Cunit; | |
83 | ||
84 | function Cunit_Entity (U : Unit_Number_Type) return Entity_Id is | |
85 | begin | |
86 | return Units.Table (U).Cunit_Entity; | |
87 | end Cunit_Entity; | |
88 | ||
89 | function Dependency_Num (U : Unit_Number_Type) return Nat is | |
90 | begin | |
91 | return Units.Table (U).Dependency_Num; | |
92 | end Dependency_Num; | |
93 | ||
38cbfe40 RK |
94 | function Dynamic_Elab (U : Unit_Number_Type) return Boolean is |
95 | begin | |
96 | return Units.Table (U).Dynamic_Elab; | |
97 | end Dynamic_Elab; | |
98 | ||
99 | function Error_Location (U : Unit_Number_Type) return Source_Ptr is | |
100 | begin | |
101 | return Units.Table (U).Error_Location; | |
102 | end Error_Location; | |
103 | ||
104 | function Expected_Unit (U : Unit_Number_Type) return Unit_Name_Type is | |
105 | begin | |
106 | return Units.Table (U).Expected_Unit; | |
107 | end Expected_Unit; | |
108 | ||
109 | function Fatal_Error (U : Unit_Number_Type) return Boolean is | |
110 | begin | |
111 | return Units.Table (U).Fatal_Error; | |
112 | end Fatal_Error; | |
113 | ||
114 | function Generate_Code (U : Unit_Number_Type) return Boolean is | |
115 | begin | |
116 | return Units.Table (U).Generate_Code; | |
117 | end Generate_Code; | |
118 | ||
87003b28 RD |
119 | function Has_Allocator (U : Unit_Number_Type) return Boolean is |
120 | begin | |
121 | return Units.Table (U).Has_Allocator; | |
122 | end Has_Allocator; | |
123 | ||
38cbfe40 RK |
124 | function Has_RACW (U : Unit_Number_Type) return Boolean is |
125 | begin | |
126 | return Units.Table (U).Has_RACW; | |
127 | end Has_RACW; | |
128 | ||
129 | function Ident_String (U : Unit_Number_Type) return Node_Id is | |
130 | begin | |
131 | return Units.Table (U).Ident_String; | |
132 | end Ident_String; | |
133 | ||
134 | function Loading (U : Unit_Number_Type) return Boolean is | |
135 | begin | |
136 | return Units.Table (U).Loading; | |
137 | end Loading; | |
138 | ||
8918fe18 AC |
139 | function Main_CPU (U : Unit_Number_Type) return Int is |
140 | begin | |
141 | return Units.Table (U).Main_CPU; | |
142 | end Main_CPU; | |
143 | ||
38cbfe40 RK |
144 | function Main_Priority (U : Unit_Number_Type) return Int is |
145 | begin | |
146 | return Units.Table (U).Main_Priority; | |
147 | end Main_Priority; | |
148 | ||
2820d220 AC |
149 | function Munit_Index (U : Unit_Number_Type) return Nat is |
150 | begin | |
151 | return Units.Table (U).Munit_Index; | |
152 | end Munit_Index; | |
153 | ||
ce4a6e84 RD |
154 | function OA_Setting (U : Unit_Number_Type) return Character is |
155 | begin | |
156 | return Units.Table (U).OA_Setting; | |
157 | end OA_Setting; | |
158 | ||
38cbfe40 RK |
159 | function Source_Index (U : Unit_Number_Type) return Source_File_Index is |
160 | begin | |
161 | return Units.Table (U).Source_Index; | |
162 | end Source_Index; | |
163 | ||
164 | function Unit_File_Name (U : Unit_Number_Type) return File_Name_Type is | |
165 | begin | |
166 | return Units.Table (U).Unit_File_Name; | |
167 | end Unit_File_Name; | |
168 | ||
169 | function Unit_Name (U : Unit_Number_Type) return Unit_Name_Type is | |
170 | begin | |
171 | return Units.Table (U).Unit_Name; | |
172 | end Unit_Name; | |
173 | ||
174 | ------------------------------------------ | |
175 | -- Subprograms to Set Unit Table Fields -- | |
176 | ------------------------------------------ | |
177 | ||
178 | procedure Set_Cunit (U : Unit_Number_Type; N : Node_Id) is | |
179 | begin | |
180 | Units.Table (U).Cunit := N; | |
181 | end Set_Cunit; | |
182 | ||
183 | procedure Set_Cunit_Entity (U : Unit_Number_Type; E : Entity_Id) is | |
184 | begin | |
185 | Units.Table (U).Cunit_Entity := E; | |
186 | Set_Is_Compilation_Unit (E); | |
187 | end Set_Cunit_Entity; | |
188 | ||
189 | procedure Set_Dynamic_Elab (U : Unit_Number_Type; B : Boolean := True) is | |
190 | begin | |
191 | Units.Table (U).Dynamic_Elab := B; | |
192 | end Set_Dynamic_Elab; | |
193 | ||
194 | procedure Set_Error_Location (U : Unit_Number_Type; W : Source_Ptr) is | |
195 | begin | |
196 | Units.Table (U).Error_Location := W; | |
197 | end Set_Error_Location; | |
198 | ||
199 | procedure Set_Fatal_Error (U : Unit_Number_Type; B : Boolean := True) is | |
200 | begin | |
07fc65c4 | 201 | Units.Table (U).Fatal_Error := B; |
38cbfe40 RK |
202 | end Set_Fatal_Error; |
203 | ||
204 | procedure Set_Generate_Code (U : Unit_Number_Type; B : Boolean := True) is | |
205 | begin | |
206 | Units.Table (U).Generate_Code := B; | |
207 | end Set_Generate_Code; | |
208 | ||
87003b28 RD |
209 | procedure Set_Has_Allocator (U : Unit_Number_Type; B : Boolean := True) is |
210 | begin | |
211 | Units.Table (U).Has_Allocator := B; | |
212 | end Set_Has_Allocator; | |
213 | ||
38cbfe40 RK |
214 | procedure Set_Has_RACW (U : Unit_Number_Type; B : Boolean := True) is |
215 | begin | |
216 | Units.Table (U).Has_RACW := B; | |
217 | end Set_Has_RACW; | |
218 | ||
219 | procedure Set_Ident_String (U : Unit_Number_Type; N : Node_Id) is | |
220 | begin | |
221 | Units.Table (U).Ident_String := N; | |
222 | end Set_Ident_String; | |
223 | ||
224 | procedure Set_Loading (U : Unit_Number_Type; B : Boolean := True) is | |
225 | begin | |
226 | Units.Table (U).Loading := B; | |
227 | end Set_Loading; | |
228 | ||
8918fe18 AC |
229 | procedure Set_Main_CPU (U : Unit_Number_Type; P : Int) is |
230 | begin | |
231 | Units.Table (U).Main_CPU := P; | |
232 | end Set_Main_CPU; | |
233 | ||
38cbfe40 RK |
234 | procedure Set_Main_Priority (U : Unit_Number_Type; P : Int) is |
235 | begin | |
236 | Units.Table (U).Main_Priority := P; | |
237 | end Set_Main_Priority; | |
238 | ||
ce4a6e84 RD |
239 | procedure Set_OA_Setting (U : Unit_Number_Type; C : Character) is |
240 | begin | |
241 | Units.Table (U).OA_Setting := C; | |
242 | end Set_OA_Setting; | |
243 | ||
38cbfe40 RK |
244 | procedure Set_Unit_Name (U : Unit_Number_Type; N : Unit_Name_Type) is |
245 | begin | |
246 | Units.Table (U).Unit_Name := N; | |
247 | end Set_Unit_Name; | |
248 | ||
249 | ------------------------------ | |
250 | -- Check_Same_Extended_Unit -- | |
251 | ------------------------------ | |
252 | ||
253 | function Check_Same_Extended_Unit (S1, S2 : Source_Ptr) return SEU_Result is | |
254 | Sloc1 : Source_Ptr; | |
255 | Sloc2 : Source_Ptr; | |
256 | Sind1 : Source_File_Index; | |
257 | Sind2 : Source_File_Index; | |
258 | Inst1 : Source_Ptr; | |
259 | Inst2 : Source_Ptr; | |
260 | Unum1 : Unit_Number_Type; | |
261 | Unum2 : Unit_Number_Type; | |
262 | Unit1 : Node_Id; | |
263 | Unit2 : Node_Id; | |
264 | Depth1 : Nat; | |
265 | Depth2 : Nat; | |
266 | ||
267 | begin | |
268 | if S1 = No_Location or else S2 = No_Location then | |
269 | return No; | |
270 | ||
271 | elsif S1 = Standard_Location then | |
272 | if S2 = Standard_Location then | |
273 | return Yes_Same; | |
274 | else | |
275 | return No; | |
276 | end if; | |
277 | ||
278 | elsif S2 = Standard_Location then | |
279 | return No; | |
280 | end if; | |
281 | ||
282 | Sloc1 := S1; | |
283 | Sloc2 := S2; | |
66dc8075 AC |
284 | |
285 | Unum1 := Get_Source_Unit (Sloc1); | |
286 | Unum2 := Get_Source_Unit (Sloc2); | |
38cbfe40 RK |
287 | |
288 | loop | |
66dc8075 AC |
289 | -- Step 1: Check whether the two locations are in the same source |
290 | -- file. | |
291 | ||
38cbfe40 RK |
292 | Sind1 := Get_Source_File_Index (Sloc1); |
293 | Sind2 := Get_Source_File_Index (Sloc2); | |
294 | ||
295 | if Sind1 = Sind2 then | |
296 | if Sloc1 < Sloc2 then | |
297 | return Yes_Before; | |
298 | elsif Sloc1 > Sloc2 then | |
299 | return Yes_After; | |
300 | else | |
301 | return Yes_Same; | |
302 | end if; | |
303 | end if; | |
304 | ||
66dc8075 AC |
305 | -- Step 2: Check subunits. If a subunit is instantiated, follow the |
306 | -- instantiation chain rather than the stub chain. | |
38cbfe40 RK |
307 | |
308 | Unit1 := Unit (Cunit (Unum1)); | |
309 | Unit2 := Unit (Cunit (Unum2)); | |
66dc8075 AC |
310 | Inst1 := Instantiation (Sind1); |
311 | Inst2 := Instantiation (Sind2); | |
38cbfe40 RK |
312 | |
313 | if Nkind (Unit1) = N_Subunit | |
314 | and then Present (Corresponding_Stub (Unit1)) | |
66dc8075 | 315 | and then Inst1 = No_Location |
38cbfe40 | 316 | then |
38cbfe40 RK |
317 | if Nkind (Unit2) = N_Subunit |
318 | and then Present (Corresponding_Stub (Unit2)) | |
66dc8075 | 319 | and then Inst2 = No_Location |
38cbfe40 | 320 | then |
66dc8075 AC |
321 | -- Both locations refer to subunits which may have a common |
322 | -- ancestor. If they do, the deeper subunit must have a longer | |
323 | -- unit name. Replace the deeper one with its corresponding | |
324 | -- stub in order to find the nearest ancestor. | |
325 | ||
38cbfe40 RK |
326 | if Length_Of_Name (Unit_Name (Unum1)) < |
327 | Length_Of_Name (Unit_Name (Unum2)) | |
328 | then | |
329 | Sloc2 := Sloc (Corresponding_Stub (Unit2)); | |
330 | Unum2 := Get_Source_Unit (Sloc2); | |
331 | goto Continue; | |
332 | ||
333 | else | |
334 | Sloc1 := Sloc (Corresponding_Stub (Unit1)); | |
335 | Unum1 := Get_Source_Unit (Sloc1); | |
336 | goto Continue; | |
337 | end if; | |
338 | ||
66dc8075 | 339 | -- Sloc1 in subunit, Sloc2 not |
38cbfe40 RK |
340 | |
341 | else | |
342 | Sloc1 := Sloc (Corresponding_Stub (Unit1)); | |
343 | Unum1 := Get_Source_Unit (Sloc1); | |
344 | goto Continue; | |
345 | end if; | |
346 | ||
66dc8075 | 347 | -- Sloc2 in subunit, Sloc1 not |
38cbfe40 RK |
348 | |
349 | elsif Nkind (Unit2) = N_Subunit | |
350 | and then Present (Corresponding_Stub (Unit2)) | |
66dc8075 | 351 | and then Inst2 = No_Location |
38cbfe40 RK |
352 | then |
353 | Sloc2 := Sloc (Corresponding_Stub (Unit2)); | |
354 | Unum2 := Get_Source_Unit (Sloc2); | |
355 | goto Continue; | |
356 | end if; | |
357 | ||
66dc8075 AC |
358 | -- Step 3: Check instances. The two locations may yield a common |
359 | -- ancestor. | |
38cbfe40 RK |
360 | |
361 | if Inst1 /= No_Location then | |
38cbfe40 RK |
362 | if Inst2 /= No_Location then |
363 | ||
66dc8075 AC |
364 | -- Both locations denote instantiations |
365 | ||
38cbfe40 RK |
366 | Depth1 := Instantiation_Depth (Sloc1); |
367 | Depth2 := Instantiation_Depth (Sloc2); | |
368 | ||
369 | if Depth1 < Depth2 then | |
370 | Sloc2 := Inst2; | |
371 | Unum2 := Get_Source_Unit (Sloc2); | |
372 | goto Continue; | |
373 | ||
374 | elsif Depth1 > Depth2 then | |
375 | Sloc1 := Inst1; | |
376 | Unum1 := Get_Source_Unit (Sloc1); | |
377 | goto Continue; | |
378 | ||
379 | else | |
380 | Sloc1 := Inst1; | |
381 | Sloc2 := Inst2; | |
382 | Unum1 := Get_Source_Unit (Sloc1); | |
383 | Unum2 := Get_Source_Unit (Sloc2); | |
384 | goto Continue; | |
385 | end if; | |
386 | ||
66dc8075 | 387 | -- Sloc1 is an instantiation |
38cbfe40 RK |
388 | |
389 | else | |
390 | Sloc1 := Inst1; | |
391 | Unum1 := Get_Source_Unit (Sloc1); | |
392 | goto Continue; | |
393 | end if; | |
394 | ||
66dc8075 | 395 | -- Sloc2 is an instantiation |
38cbfe40 RK |
396 | |
397 | elsif Inst2 /= No_Location then | |
398 | Sloc2 := Inst2; | |
399 | Unum2 := Get_Source_Unit (Sloc2); | |
400 | goto Continue; | |
401 | end if; | |
402 | ||
66dc8075 AC |
403 | -- Step 4: One location in the spec, the other in the corresponding |
404 | -- body of the same unit. The location in the spec is considered | |
405 | -- earlier. | |
38cbfe40 RK |
406 | |
407 | if Nkind (Unit1) = N_Subprogram_Body | |
408 | or else | |
409 | Nkind (Unit1) = N_Package_Body | |
410 | then | |
411 | if Library_Unit (Cunit (Unum1)) = Cunit (Unum2) then | |
412 | return Yes_After; | |
413 | end if; | |
414 | ||
415 | elsif Nkind (Unit2) = N_Subprogram_Body | |
416 | or else | |
417 | Nkind (Unit2) = N_Package_Body | |
418 | then | |
419 | if Library_Unit (Cunit (Unum2)) = Cunit (Unum1) then | |
420 | return Yes_Before; | |
421 | end if; | |
422 | end if; | |
423 | ||
66dc8075 AC |
424 | -- At this point it is certain that the two locations denote two |
425 | -- entirely separate units. | |
38cbfe40 RK |
426 | |
427 | return No; | |
428 | ||
429 | <<Continue>> | |
430 | null; | |
431 | end loop; | |
38cbfe40 RK |
432 | end Check_Same_Extended_Unit; |
433 | ||
07fc65c4 GB |
434 | ------------------------------- |
435 | -- Compilation_Switches_Last -- | |
436 | ------------------------------- | |
437 | ||
438 | function Compilation_Switches_Last return Nat is | |
439 | begin | |
440 | return Compilation_Switches.Last; | |
441 | end Compilation_Switches_Last; | |
442 | ||
7fee6a39 BZ |
443 | --------------------------- |
444 | -- Enable_Switch_Storing -- | |
445 | --------------------------- | |
446 | ||
447 | procedure Enable_Switch_Storing is | |
448 | begin | |
449 | Switch_Storing_Enabled := True; | |
450 | end Enable_Switch_Storing; | |
451 | ||
452 | ---------------------------- | |
453 | -- Disable_Switch_Storing -- | |
454 | ---------------------------- | |
455 | ||
0da2c8ac AC |
456 | procedure Disable_Switch_Storing is |
457 | begin | |
458 | Switch_Storing_Enabled := False; | |
459 | end Disable_Switch_Storing; | |
460 | ||
38cbfe40 RK |
461 | ------------------------------ |
462 | -- Earlier_In_Extended_Unit -- | |
463 | ------------------------------ | |
464 | ||
465 | function Earlier_In_Extended_Unit (S1, S2 : Source_Ptr) return Boolean is | |
466 | begin | |
467 | return Check_Same_Extended_Unit (S1, S2) = Yes_Before; | |
468 | end Earlier_In_Extended_Unit; | |
469 | ||
56e94186 AC |
470 | ----------------------- |
471 | -- Exact_Source_Name -- | |
472 | ----------------------- | |
473 | ||
474 | function Exact_Source_Name (Loc : Source_Ptr) return String is | |
475 | U : constant Unit_Number_Type := Get_Source_Unit (Loc); | |
476 | Buf : constant Source_Buffer_Ptr := Source_Text (Source_Index (U)); | |
477 | Orig : constant Source_Ptr := Original_Location (Loc); | |
478 | P : Source_Ptr; | |
479 | ||
480 | WC : Char_Code; | |
481 | Err : Boolean; | |
482 | pragma Warnings (Off, WC); | |
483 | pragma Warnings (Off, Err); | |
484 | ||
485 | begin | |
486 | -- Entity is character literal | |
487 | ||
488 | if Buf (Orig) = ''' then | |
489 | return String (Buf (Orig .. Orig + 2)); | |
490 | ||
491 | -- Entity is operator symbol | |
492 | ||
493 | elsif Buf (Orig) = '"' or else Buf (Orig) = '%' then | |
494 | P := Orig; | |
495 | ||
496 | loop | |
497 | P := P + 1; | |
498 | exit when Buf (P) = Buf (Orig); | |
499 | end loop; | |
500 | ||
501 | return String (Buf (Orig .. P)); | |
502 | ||
503 | -- Entity is identifier | |
504 | ||
505 | else | |
506 | P := Orig; | |
507 | ||
508 | loop | |
509 | if Is_Start_Of_Wide_Char (Buf, P) then | |
510 | Scan_Wide (Buf, P, WC, Err); | |
511 | elsif not Identifier_Char (Buf (P)) then | |
512 | exit; | |
513 | else | |
514 | P := P + 1; | |
515 | end if; | |
516 | end loop; | |
517 | ||
518 | -- Write out the identifier by copying the exact source characters | |
519 | -- used in its declaration. Note that this means wide characters will | |
520 | -- be in their original encoded form. | |
521 | ||
522 | return String (Buf (Orig .. P - 1)); | |
523 | end if; | |
524 | end Exact_Source_Name; | |
525 | ||
38cbfe40 RK |
526 | ---------------------------- |
527 | -- Entity_Is_In_Main_Unit -- | |
528 | ---------------------------- | |
529 | ||
530 | function Entity_Is_In_Main_Unit (E : Entity_Id) return Boolean is | |
531 | S : Entity_Id; | |
532 | ||
533 | begin | |
534 | S := Scope (E); | |
535 | ||
536 | while S /= Standard_Standard loop | |
537 | if S = Main_Unit_Entity then | |
538 | return True; | |
539 | elsif Ekind (S) = E_Package and then Is_Child_Unit (S) then | |
540 | return False; | |
541 | else | |
542 | S := Scope (S); | |
543 | end if; | |
544 | end loop; | |
545 | ||
546 | return False; | |
547 | end Entity_Is_In_Main_Unit; | |
548 | ||
9410151a TQ |
549 | -------------------------- |
550 | -- Generic_May_Lack_ALI -- | |
551 | -------------------------- | |
552 | ||
553 | function Generic_May_Lack_ALI (Sfile : File_Name_Type) return Boolean is | |
554 | begin | |
555 | -- We allow internal generic units to be used without having a | |
556 | -- corresponding ALI files to help bootstrapping with older compilers | |
557 | -- that did not support generating ALIs for such generics. It is safe | |
558 | -- to do so because the only thing the generated code would contain | |
559 | -- is the elaboration boolean, and we are careful to elaborate all | |
560 | -- predefined units first anyway. | |
561 | ||
562 | return Is_Internal_File_Name | |
563 | (Fname => Sfile, | |
564 | Renamings_Included => True); | |
565 | end Generic_May_Lack_ALI; | |
fbf5a39b | 566 | |
68e2ea27 TQ |
567 | ----------------------------- |
568 | -- Get_Code_Or_Source_Unit -- | |
569 | ----------------------------- | |
38cbfe40 | 570 | |
68e2ea27 TQ |
571 | function Get_Code_Or_Source_Unit |
572 | (S : Source_Ptr; | |
573 | Unwind_Instances : Boolean) return Unit_Number_Type | |
574 | is | |
38cbfe40 | 575 | begin |
fbf5a39b AC |
576 | -- Search table unless we have No_Location, which can happen if the |
577 | -- relevant location has not been set yet. Happens for example when | |
578 | -- we obtain Sloc (Cunit (Main_Unit)) before it is set. | |
38cbfe40 | 579 | |
fbf5a39b AC |
580 | if S /= No_Location then |
581 | declare | |
68e2ea27 TQ |
582 | Source_File : Source_File_Index; |
583 | Source_Unit : Unit_Number_Type; | |
fbf5a39b AC |
584 | |
585 | begin | |
68e2ea27 TQ |
586 | Source_File := Get_Source_File_Index (S); |
587 | ||
588 | if Unwind_Instances then | |
589 | while Template (Source_File) /= No_Source_File loop | |
590 | Source_File := Template (Source_File); | |
591 | end loop; | |
592 | end if; | |
593 | ||
594 | Source_Unit := Unit (Source_File); | |
595 | ||
596 | if Source_Unit /= No_Unit then | |
597 | return Source_Unit; | |
598 | end if; | |
fbf5a39b AC |
599 | end; |
600 | end if; | |
601 | ||
68e2ea27 TQ |
602 | -- If S was No_Location, or was not in the table, we must be in the main |
603 | -- source unit (and the value has not been placed in the table yet), | |
604 | -- or in one of the configuration pragma files. | |
38cbfe40 RK |
605 | |
606 | return Main_Unit; | |
68e2ea27 TQ |
607 | end Get_Code_Or_Source_Unit; |
608 | ||
609 | ------------------- | |
610 | -- Get_Code_Unit -- | |
611 | ------------------- | |
612 | ||
613 | function Get_Code_Unit (S : Source_Ptr) return Unit_Number_Type is | |
614 | begin | |
615 | return Get_Code_Or_Source_Unit (Top_Level_Location (S), | |
616 | Unwind_Instances => False); | |
38cbfe40 RK |
617 | end Get_Code_Unit; |
618 | ||
07fc65c4 | 619 | function Get_Code_Unit (N : Node_Or_Entity_Id) return Unit_Number_Type is |
38cbfe40 RK |
620 | begin |
621 | return Get_Code_Unit (Sloc (N)); | |
622 | end Get_Code_Unit; | |
623 | ||
624 | ---------------------------- | |
625 | -- Get_Compilation_Switch -- | |
626 | ---------------------------- | |
627 | ||
628 | function Get_Compilation_Switch (N : Pos) return String_Ptr is | |
629 | begin | |
07fc65c4 | 630 | if N <= Compilation_Switches.Last then |
38cbfe40 RK |
631 | return Compilation_Switches.Table (N); |
632 | ||
633 | else | |
634 | return null; | |
635 | end if; | |
636 | end Get_Compilation_Switch; | |
637 | ||
638 | ---------------------------------- | |
639 | -- Get_Cunit_Entity_Unit_Number -- | |
640 | ---------------------------------- | |
641 | ||
642 | function Get_Cunit_Entity_Unit_Number | |
9596236a | 643 | (E : Entity_Id) return Unit_Number_Type |
38cbfe40 RK |
644 | is |
645 | begin | |
646 | for U in Units.First .. Units.Last loop | |
647 | if Cunit_Entity (U) = E then | |
648 | return U; | |
649 | end if; | |
650 | end loop; | |
651 | ||
652 | -- If not in the table, must be the main source unit, and we just | |
653 | -- have not got it put into the table yet. | |
654 | ||
655 | return Main_Unit; | |
656 | end Get_Cunit_Entity_Unit_Number; | |
657 | ||
658 | --------------------------- | |
659 | -- Get_Cunit_Unit_Number -- | |
660 | --------------------------- | |
661 | ||
662 | function Get_Cunit_Unit_Number (N : Node_Id) return Unit_Number_Type is | |
663 | begin | |
664 | for U in Units.First .. Units.Last loop | |
665 | if Cunit (U) = N then | |
666 | return U; | |
667 | end if; | |
668 | end loop; | |
669 | ||
f3a67cfc ES |
670 | -- If not in the table, must be a spec created for a main unit that is a |
671 | -- child subprogram body which we have not inserted into the table yet. | |
38cbfe40 | 672 | |
2c011ce1 RD |
673 | if N = Library_Unit (Cunit (Main_Unit)) then |
674 | return Main_Unit; | |
675 | ||
676 | -- If it is anything else, something is seriously wrong, and we really | |
677 | -- don't want to proceed, even if assertions are off, so we explicitly | |
678 | -- raise an exception in this case to terminate compilation. | |
959dd7d8 | 679 | |
f3a67cfc | 680 | else |
2c011ce1 | 681 | raise Program_Error; |
f3a67cfc | 682 | end if; |
38cbfe40 RK |
683 | end Get_Cunit_Unit_Number; |
684 | ||
685 | --------------------- | |
686 | -- Get_Source_Unit -- | |
687 | --------------------- | |
688 | ||
689 | function Get_Source_Unit (S : Source_Ptr) return Unit_Number_Type is | |
38cbfe40 | 690 | begin |
68e2ea27 | 691 | return Get_Code_Or_Source_Unit (S, Unwind_Instances => True); |
38cbfe40 RK |
692 | end Get_Source_Unit; |
693 | ||
07fc65c4 | 694 | function Get_Source_Unit (N : Node_Or_Entity_Id) return Unit_Number_Type is |
38cbfe40 RK |
695 | begin |
696 | return Get_Source_Unit (Sloc (N)); | |
697 | end Get_Source_Unit; | |
698 | ||
699 | -------------------------------- | |
700 | -- In_Extended_Main_Code_Unit -- | |
701 | -------------------------------- | |
702 | ||
07fc65c4 | 703 | function In_Extended_Main_Code_Unit |
9596236a | 704 | (N : Node_Or_Entity_Id) return Boolean |
07fc65c4 | 705 | is |
38cbfe40 RK |
706 | begin |
707 | if Sloc (N) = Standard_Location then | |
3b8056a5 | 708 | return False; |
38cbfe40 RK |
709 | |
710 | elsif Sloc (N) = No_Location then | |
711 | return False; | |
712 | ||
713 | -- Special case Itypes to test the Sloc of the associated node. The | |
714 | -- reason we do this is for possible calls from gigi after -gnatD | |
715 | -- processing is complete in sprint. This processing updates the | |
716 | -- sloc fields of all nodes in the tree, but itypes are not in the | |
717 | -- tree so their slocs do not get updated. | |
718 | ||
719 | elsif Nkind (N) = N_Defining_Identifier | |
720 | and then Is_Itype (N) | |
721 | then | |
722 | return In_Extended_Main_Code_Unit (Associated_Node_For_Itype (N)); | |
723 | ||
fbf5a39b AC |
724 | -- Otherwise see if we are in the main unit |
725 | ||
38cbfe40 RK |
726 | elsif Get_Code_Unit (Sloc (N)) = Get_Code_Unit (Cunit (Main_Unit)) then |
727 | return True; | |
728 | ||
fbf5a39b AC |
729 | -- Node may be in spec (or subunit etc) of main unit |
730 | ||
731 | else | |
38cbfe40 | 732 | return |
cc335f43 | 733 | In_Same_Extended_Unit (N, Cunit (Main_Unit)); |
38cbfe40 RK |
734 | end if; |
735 | end In_Extended_Main_Code_Unit; | |
736 | ||
9596236a | 737 | function In_Extended_Main_Code_Unit (Loc : Source_Ptr) return Boolean is |
fbf5a39b AC |
738 | begin |
739 | if Loc = Standard_Location then | |
3b8056a5 | 740 | return False; |
fbf5a39b AC |
741 | |
742 | elsif Loc = No_Location then | |
743 | return False; | |
744 | ||
745 | -- Otherwise see if we are in the main unit | |
746 | ||
747 | elsif Get_Code_Unit (Loc) = Get_Code_Unit (Cunit (Main_Unit)) then | |
748 | return True; | |
749 | ||
750 | -- Location may be in spec (or subunit etc) of main unit | |
751 | ||
752 | else | |
753 | return | |
754 | In_Same_Extended_Unit (Loc, Sloc (Cunit (Main_Unit))); | |
755 | end if; | |
756 | end In_Extended_Main_Code_Unit; | |
757 | ||
38cbfe40 RK |
758 | ---------------------------------- |
759 | -- In_Extended_Main_Source_Unit -- | |
760 | ---------------------------------- | |
761 | ||
07fc65c4 | 762 | function In_Extended_Main_Source_Unit |
9596236a | 763 | (N : Node_Or_Entity_Id) return Boolean |
07fc65c4 | 764 | is |
fbf5a39b AC |
765 | Nloc : constant Source_Ptr := Sloc (N); |
766 | Mloc : constant Source_Ptr := Sloc (Cunit (Main_Unit)); | |
767 | ||
38cbfe40 | 768 | begin |
e1d9659d | 769 | -- If parsing, then use the global flag to indicate result |
fbf5a39b | 770 | |
e1d9659d AC |
771 | if Compiler_State = Parsing then |
772 | return Parsing_Main_Extended_Source; | |
38cbfe40 | 773 | |
fbf5a39b AC |
774 | -- Special value cases |
775 | ||
776 | elsif Nloc = Standard_Location then | |
3b8056a5 | 777 | return False; |
fbf5a39b AC |
778 | |
779 | elsif Nloc = No_Location then | |
38cbfe40 RK |
780 | return False; |
781 | ||
782 | -- Special case Itypes to test the Sloc of the associated node. The | |
783 | -- reason we do this is for possible calls from gigi after -gnatD | |
784 | -- processing is complete in sprint. This processing updates the | |
785 | -- sloc fields of all nodes in the tree, but itypes are not in the | |
786 | -- tree so their slocs do not get updated. | |
787 | ||
788 | elsif Nkind (N) = N_Defining_Identifier | |
789 | and then Is_Itype (N) | |
790 | then | |
791 | return In_Extended_Main_Source_Unit (Associated_Node_For_Itype (N)); | |
792 | ||
fbf5a39b AC |
793 | -- Otherwise compare original locations to see if in same unit |
794 | ||
38cbfe40 RK |
795 | else |
796 | return | |
797 | In_Same_Extended_Unit | |
fbf5a39b AC |
798 | (Original_Location (Nloc), Original_Location (Mloc)); |
799 | end if; | |
800 | end In_Extended_Main_Source_Unit; | |
801 | ||
802 | function In_Extended_Main_Source_Unit | |
9596236a | 803 | (Loc : Source_Ptr) return Boolean |
fbf5a39b AC |
804 | is |
805 | Mloc : constant Source_Ptr := Sloc (Cunit (Main_Unit)); | |
806 | ||
807 | begin | |
e1d9659d | 808 | -- If parsing, then use the global flag to indicate result |
fbf5a39b | 809 | |
e1d9659d AC |
810 | if Compiler_State = Parsing then |
811 | return Parsing_Main_Extended_Source; | |
fbf5a39b AC |
812 | |
813 | -- Special value cases | |
814 | ||
815 | elsif Loc = Standard_Location then | |
3b8056a5 | 816 | return False; |
fbf5a39b AC |
817 | |
818 | elsif Loc = No_Location then | |
819 | return False; | |
820 | ||
821 | -- Otherwise compare original locations to see if in same unit | |
822 | ||
823 | else | |
824 | return | |
825 | In_Same_Extended_Unit | |
826 | (Original_Location (Loc), Original_Location (Mloc)); | |
38cbfe40 RK |
827 | end if; |
828 | end In_Extended_Main_Source_Unit; | |
829 | ||
9b832db5 RD |
830 | ------------------------ |
831 | -- In_Predefined_Unit -- | |
832 | ------------------------ | |
833 | ||
834 | function In_Predefined_Unit (N : Node_Or_Entity_Id) return Boolean is | |
835 | begin | |
836 | return In_Predefined_Unit (Sloc (N)); | |
837 | end In_Predefined_Unit; | |
838 | ||
839 | function In_Predefined_Unit (S : Source_Ptr) return Boolean is | |
840 | Unit : constant Unit_Number_Type := Get_Source_Unit (S); | |
841 | File : constant File_Name_Type := Unit_File_Name (Unit); | |
842 | begin | |
843 | return Is_Predefined_File_Name (File); | |
844 | end In_Predefined_Unit; | |
845 | ||
38cbfe40 RK |
846 | ----------------------- |
847 | -- In_Same_Code_Unit -- | |
848 | ----------------------- | |
849 | ||
850 | function In_Same_Code_Unit (N1, N2 : Node_Or_Entity_Id) return Boolean is | |
851 | S1 : constant Source_Ptr := Sloc (N1); | |
852 | S2 : constant Source_Ptr := Sloc (N2); | |
853 | ||
854 | begin | |
855 | if S1 = No_Location or else S2 = No_Location then | |
856 | return False; | |
857 | ||
858 | elsif S1 = Standard_Location then | |
859 | return S2 = Standard_Location; | |
860 | ||
861 | elsif S2 = Standard_Location then | |
862 | return False; | |
863 | end if; | |
864 | ||
865 | return Get_Code_Unit (N1) = Get_Code_Unit (N2); | |
866 | end In_Same_Code_Unit; | |
867 | ||
868 | --------------------------- | |
869 | -- In_Same_Extended_Unit -- | |
870 | --------------------------- | |
871 | ||
cc335f43 AC |
872 | function In_Same_Extended_Unit |
873 | (N1, N2 : Node_Or_Entity_Id) return Boolean | |
874 | is | |
875 | begin | |
876 | return Check_Same_Extended_Unit (Sloc (N1), Sloc (N2)) /= No; | |
877 | end In_Same_Extended_Unit; | |
878 | ||
38cbfe40 RK |
879 | function In_Same_Extended_Unit (S1, S2 : Source_Ptr) return Boolean is |
880 | begin | |
881 | return Check_Same_Extended_Unit (S1, S2) /= No; | |
882 | end In_Same_Extended_Unit; | |
883 | ||
884 | ------------------------- | |
885 | -- In_Same_Source_Unit -- | |
886 | ------------------------- | |
887 | ||
888 | function In_Same_Source_Unit (N1, N2 : Node_Or_Entity_Id) return Boolean is | |
889 | S1 : constant Source_Ptr := Sloc (N1); | |
890 | S2 : constant Source_Ptr := Sloc (N2); | |
891 | ||
892 | begin | |
893 | if S1 = No_Location or else S2 = No_Location then | |
894 | return False; | |
895 | ||
896 | elsif S1 = Standard_Location then | |
897 | return S2 = Standard_Location; | |
898 | ||
899 | elsif S2 = Standard_Location then | |
900 | return False; | |
901 | end if; | |
902 | ||
903 | return Get_Source_Unit (N1) = Get_Source_Unit (N2); | |
904 | end In_Same_Source_Unit; | |
905 | ||
906 | ----------------------------- | |
907 | -- Increment_Serial_Number -- | |
908 | ----------------------------- | |
909 | ||
910 | function Increment_Serial_Number return Nat is | |
911 | TSN : Int renames Units.Table (Current_Sem_Unit).Serial_Number; | |
38cbfe40 RK |
912 | begin |
913 | TSN := TSN + 1; | |
914 | return TSN; | |
915 | end Increment_Serial_Number; | |
916 | ||
917 | ---------------- | |
918 | -- Initialize -- | |
919 | ---------------- | |
920 | ||
921 | procedure Initialize is | |
922 | begin | |
923 | Linker_Option_Lines.Init; | |
7eaa7cdf | 924 | Notes.Init; |
38cbfe40 RK |
925 | Load_Stack.Init; |
926 | Units.Init; | |
38cbfe40 RK |
927 | Compilation_Switches.Init; |
928 | end Initialize; | |
929 | ||
930 | --------------- | |
931 | -- Is_Loaded -- | |
932 | --------------- | |
933 | ||
934 | function Is_Loaded (Uname : Unit_Name_Type) return Boolean is | |
935 | begin | |
936 | for Unum in Units.First .. Units.Last loop | |
937 | if Uname = Unit_Name (Unum) then | |
938 | return True; | |
939 | end if; | |
940 | end loop; | |
941 | ||
942 | return False; | |
943 | end Is_Loaded; | |
944 | ||
945 | --------------- | |
946 | -- Last_Unit -- | |
947 | --------------- | |
948 | ||
949 | function Last_Unit return Unit_Number_Type is | |
950 | begin | |
951 | return Units.Last; | |
952 | end Last_Unit; | |
953 | ||
954 | ---------- | |
955 | -- List -- | |
956 | ---------- | |
957 | ||
958 | procedure List (File_Names_Only : Boolean := False) is separate; | |
959 | ||
960 | ---------- | |
961 | -- Lock -- | |
962 | ---------- | |
963 | ||
964 | procedure Lock is | |
965 | begin | |
966 | Linker_Option_Lines.Locked := True; | |
967 | Load_Stack.Locked := True; | |
968 | Units.Locked := True; | |
969 | Linker_Option_Lines.Release; | |
970 | Load_Stack.Release; | |
971 | Units.Release; | |
972 | end Lock; | |
973 | ||
974 | --------------- | |
975 | -- Num_Units -- | |
976 | --------------- | |
977 | ||
978 | function Num_Units return Nat is | |
979 | begin | |
980 | return Int (Units.Last) - Int (Main_Unit) + 1; | |
981 | end Num_Units; | |
982 | ||
6c1e24d3 AC |
983 | ----------------- |
984 | -- Remove_Unit -- | |
985 | ----------------- | |
986 | ||
987 | procedure Remove_Unit (U : Unit_Number_Type) is | |
988 | begin | |
989 | if U = Units.Last then | |
990 | Units.Decrement_Last; | |
991 | end if; | |
992 | end Remove_Unit; | |
993 | ||
38cbfe40 RK |
994 | ---------------------------------- |
995 | -- Replace_Linker_Option_String -- | |
996 | ---------------------------------- | |
997 | ||
998 | procedure Replace_Linker_Option_String | |
999 | (S : String_Id; Match_String : String) | |
1000 | is | |
1001 | begin | |
1002 | if Match_String'Length > 0 then | |
1003 | for J in 1 .. Linker_Option_Lines.Last loop | |
07fc65c4 | 1004 | String_To_Name_Buffer (Linker_Option_Lines.Table (J).Option); |
38cbfe40 RK |
1005 | |
1006 | if Match_String = Name_Buffer (1 .. Match_String'Length) then | |
07fc65c4 | 1007 | Linker_Option_Lines.Table (J).Option := S; |
38cbfe40 RK |
1008 | return; |
1009 | end if; | |
1010 | end loop; | |
1011 | end if; | |
1012 | ||
1013 | Store_Linker_Option_String (S); | |
1014 | end Replace_Linker_Option_String; | |
1015 | ||
1016 | ---------- | |
1017 | -- Sort -- | |
1018 | ---------- | |
1019 | ||
1020 | procedure Sort (Tbl : in out Unit_Ref_Table) is separate; | |
1021 | ||
1022 | ------------------------------ | |
1023 | -- Store_Compilation_Switch -- | |
1024 | ------------------------------ | |
1025 | ||
1026 | procedure Store_Compilation_Switch (Switch : String) is | |
1027 | begin | |
0da2c8ac AC |
1028 | if Switch_Storing_Enabled then |
1029 | Compilation_Switches.Increment_Last; | |
1030 | Compilation_Switches.Table (Compilation_Switches.Last) := | |
1031 | new String'(Switch); | |
fbf5a39b | 1032 | |
0da2c8ac AC |
1033 | -- Fix up --RTS flag which has been transformed by the gcc driver |
1034 | -- into -fRTS | |
fbf5a39b | 1035 | |
0da2c8ac AC |
1036 | if Switch'Last >= Switch'First + 4 |
1037 | and then Switch (Switch'First .. Switch'First + 4) = "-fRTS" | |
1038 | then | |
1039 | Compilation_Switches.Table | |
1040 | (Compilation_Switches.Last) (Switch'First + 1) := '-'; | |
1041 | end if; | |
fbf5a39b | 1042 | end if; |
38cbfe40 RK |
1043 | end Store_Compilation_Switch; |
1044 | ||
1045 | -------------------------------- | |
1046 | -- Store_Linker_Option_String -- | |
1047 | -------------------------------- | |
1048 | ||
1049 | procedure Store_Linker_Option_String (S : String_Id) is | |
1050 | begin | |
7eaa7cdf | 1051 | Linker_Option_Lines.Append ((Option => S, Unit => Current_Sem_Unit)); |
38cbfe40 RK |
1052 | end Store_Linker_Option_String; |
1053 | ||
7eaa7cdf RD |
1054 | ---------------- |
1055 | -- Store_Note -- | |
1056 | ---------------- | |
1057 | ||
1058 | procedure Store_Note (N : Node_Id) is | |
1059 | begin | |
1060 | Notes.Append ((Pragma_Node => N, Unit => Current_Sem_Unit)); | |
1061 | end Store_Note; | |
1062 | ||
7324bf49 AC |
1063 | ------------------------------- |
1064 | -- Synchronize_Serial_Number -- | |
1065 | ------------------------------- | |
1066 | ||
1067 | procedure Synchronize_Serial_Number is | |
1068 | TSN : Int renames Units.Table (Current_Sem_Unit).Serial_Number; | |
1069 | begin | |
1070 | TSN := TSN + 1; | |
1071 | end Synchronize_Serial_Number; | |
1072 | ||
38cbfe40 RK |
1073 | --------------- |
1074 | -- Tree_Read -- | |
1075 | --------------- | |
1076 | ||
1077 | procedure Tree_Read is | |
1078 | N : Nat; | |
1079 | S : String_Ptr; | |
1080 | ||
1081 | begin | |
1082 | Units.Tree_Read; | |
1083 | ||
2491bb7d SR |
1084 | -- Read Compilation_Switches table. First release the memory occupied |
1085 | -- by the previously loaded switches. | |
1086 | ||
1087 | for J in Compilation_Switches.First .. Compilation_Switches.Last loop | |
1088 | Free (Compilation_Switches.Table (J)); | |
1089 | end loop; | |
38cbfe40 RK |
1090 | |
1091 | Tree_Read_Int (N); | |
1092 | Compilation_Switches.Set_Last (N); | |
1093 | ||
1094 | for J in 1 .. N loop | |
1095 | Tree_Read_Str (S); | |
1096 | Compilation_Switches.Table (J) := S; | |
1097 | end loop; | |
1098 | end Tree_Read; | |
1099 | ||
1100 | ---------------- | |
1101 | -- Tree_Write -- | |
1102 | ---------------- | |
1103 | ||
1104 | procedure Tree_Write is | |
1105 | begin | |
1106 | Units.Tree_Write; | |
1107 | ||
1108 | -- Write Compilation_Switches table | |
1109 | ||
1110 | Tree_Write_Int (Compilation_Switches.Last); | |
1111 | ||
1112 | for J in 1 .. Compilation_Switches.Last loop | |
1113 | Tree_Write_Str (Compilation_Switches.Table (J)); | |
1114 | end loop; | |
1115 | end Tree_Write; | |
1116 | ||
1c28fe3a RD |
1117 | ------------ |
1118 | -- Unlock -- | |
1119 | ------------ | |
1120 | ||
1121 | procedure Unlock is | |
1122 | begin | |
1123 | Linker_Option_Lines.Locked := False; | |
1124 | Load_Stack.Locked := False; | |
1125 | Units.Locked := False; | |
1126 | end Unlock; | |
1127 | ||
38cbfe40 RK |
1128 | ----------------- |
1129 | -- Version_Get -- | |
1130 | ----------------- | |
1131 | ||
1132 | function Version_Get (U : Unit_Number_Type) return Word_Hex_String is | |
1133 | begin | |
1134 | return Get_Hex_String (Units.Table (U).Version); | |
1135 | end Version_Get; | |
1136 | ||
1137 | ------------------------ | |
1138 | -- Version_Referenced -- | |
1139 | ------------------------ | |
1140 | ||
1141 | procedure Version_Referenced (S : String_Id) is | |
1142 | begin | |
1143 | Version_Ref.Append (S); | |
1144 | end Version_Referenced; | |
1145 | ||
2a290fec AC |
1146 | --------------------- |
1147 | -- Write_Unit_Info -- | |
1148 | --------------------- | |
1149 | ||
1150 | procedure Write_Unit_Info | |
1151 | (Unit_Num : Unit_Number_Type; | |
1152 | Item : Node_Id; | |
1153 | Prefix : String := ""; | |
1154 | Withs : Boolean := False) | |
1155 | is | |
1156 | begin | |
1157 | Write_Str (Prefix); | |
1158 | Write_Unit_Name (Unit_Name (Unit_Num)); | |
1159 | Write_Str (", unit "); | |
1160 | Write_Int (Int (Unit_Num)); | |
1161 | Write_Str (", "); | |
1162 | Write_Int (Int (Item)); | |
1163 | Write_Str ("="); | |
1164 | Write_Str (Node_Kind'Image (Nkind (Item))); | |
1165 | ||
1166 | if Item /= Original_Node (Item) then | |
1167 | Write_Str (", orig = "); | |
1168 | Write_Int (Int (Original_Node (Item))); | |
1169 | Write_Str ("="); | |
1170 | Write_Str (Node_Kind'Image (Nkind (Original_Node (Item)))); | |
1171 | end if; | |
1172 | ||
1173 | Write_Eol; | |
1174 | ||
1175 | -- Skip the rest if we're not supposed to print the withs | |
1176 | ||
1177 | if not Withs then | |
1178 | return; | |
1179 | end if; | |
1180 | ||
1181 | declare | |
1182 | Context_Item : Node_Id; | |
1183 | ||
1184 | begin | |
1185 | Context_Item := First (Context_Items (Cunit (Unit_Num))); | |
1186 | while Present (Context_Item) | |
1187 | and then (Nkind (Context_Item) /= N_With_Clause | |
1188 | or else Limited_Present (Context_Item)) | |
1189 | loop | |
1190 | Context_Item := Next (Context_Item); | |
1191 | end loop; | |
1192 | ||
1193 | if Present (Context_Item) then | |
1194 | Indent; | |
1195 | Write_Line ("withs:"); | |
1196 | Indent; | |
1197 | ||
1198 | while Present (Context_Item) loop | |
1199 | if Nkind (Context_Item) = N_With_Clause | |
1200 | and then not Limited_Present (Context_Item) | |
1201 | then | |
1202 | pragma Assert (Present (Library_Unit (Context_Item))); | |
1203 | Write_Unit_Name | |
1204 | (Unit_Name | |
1205 | (Get_Cunit_Unit_Number (Library_Unit (Context_Item)))); | |
1206 | ||
1207 | if Implicit_With (Context_Item) then | |
1208 | Write_Str (" -- implicit"); | |
1209 | end if; | |
1210 | ||
1211 | Write_Eol; | |
1212 | end if; | |
1213 | ||
1214 | Context_Item := Next (Context_Item); | |
1215 | end loop; | |
1216 | ||
1217 | Outdent; | |
1218 | Write_Line ("end withs"); | |
1219 | Outdent; | |
1220 | end if; | |
1221 | end; | |
1222 | end Write_Unit_Info; | |
1223 | ||
38cbfe40 | 1224 | end Lib; |