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2014-11-18 Christophe Lyon <christophe.lyon@linaro.org>
[official-gcc.git] / gcc / ada / prj-pp.adb
blob9ccd935f6af224a3a30e746aae5aa2a9807b1092
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- P R J . P P --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 2001-2014, 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. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING3. If not, go to --
19 -- http://www.gnu.org/licenses for a complete copy of the license. --
20 -- --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
23 -- --
24 ------------------------------------------------------------------------------
25
26 with Ada.Characters.Handling; use Ada.Characters.Handling;
27
28 with Output; use Output;
29 with Snames;
30
31 package body Prj.PP is
32
33 use Prj.Tree;
34
35 Not_Tested : array (Project_Node_Kind) of Boolean := (others => True);
36
37 procedure Indicate_Tested (Kind : Project_Node_Kind);
38 -- Set the corresponding component of array Not_Tested to False. Only
39 -- called by Debug pragmas.
40
41 ---------------------
42 -- Indicate_Tested --
43 ---------------------
44
45 procedure Indicate_Tested (Kind : Project_Node_Kind) is
46 begin
47 Not_Tested (Kind) := False;
48 end Indicate_Tested;
49
50 ------------------
51 -- Pretty_Print --
52 ------------------
53
54 procedure Pretty_Print
55 (Project : Prj.Tree.Project_Node_Id;
56 In_Tree : Prj.Tree.Project_Node_Tree_Ref;
57 Increment : Positive := 3;
58 Eliminate_Empty_Case_Constructions : Boolean := False;
59 Minimize_Empty_Lines : Boolean := False;
60 W_Char : Write_Char_Ap := null;
61 W_Eol : Write_Eol_Ap := null;
62 W_Str : Write_Str_Ap := null;
63 Backward_Compatibility : Boolean;
64 Id : Prj.Project_Id := Prj.No_Project;
65 Max_Line_Length : Max_Length_Of_Line :=
66 Max_Length_Of_Line'Last)
67 is
68 procedure Print (Node : Project_Node_Id; Indent : Natural);
69 -- A recursive procedure that traverses a project file tree and outputs
70 -- its source. Current_Prj is the project that we are printing. This
71 -- is used when printing attributes, since in nested packages they
72 -- need to use a fully qualified name.
73
74 procedure Output_Attribute_Name (Name : Name_Id; Indent : Natural);
75 -- Outputs an attribute name, taking into account the value of
76 -- Backward_Compatibility.
77
78 procedure Output_Name
79 (Name : Name_Id;
80 Indent : Natural;
81 Capitalize : Boolean := True);
82 -- Outputs a name
83
84 procedure Start_Line (Indent : Natural);
85 -- Outputs the indentation at the beginning of the line
86
87 procedure Output_Project_File (S : Name_Id);
88 -- Output a project file name in one single string literal
89
90 procedure Output_String (S : Name_Id; Indent : Natural);
91 -- Outputs a string using the default output procedures
92
93 procedure Write_Empty_Line (Always : Boolean := False);
94 -- Outputs an empty line, only if the previous line was not empty
95 -- already and either Always is True or Minimize_Empty_Lines is False.
96
97 procedure Write_Line (S : String);
98 -- Outputs S followed by a new line
99
100 procedure Write_String
101 (S : String;
102 Indent : Natural;
103 Truncated : Boolean := False);
104 -- Outputs S using Write_Str, starting a new line if line would become
105 -- too long, when Truncated = False. When Truncated = True, only the
106 -- part of the string that can fit on the line is output.
107
108 procedure Write_End_Of_Line_Comment (Node : Project_Node_Id);
109 -- Needs comment???
110
111 Write_Char : Write_Char_Ap := Output.Write_Char'Access;
112 Write_Eol : Write_Eol_Ap := Output.Write_Eol'Access;
113 Write_Str : Write_Str_Ap := Output.Write_Str'Access;
114 -- These three access to procedure values are used for the output
115
116 Last_Line_Is_Empty : Boolean := False;
117 -- Used to avoid two consecutive empty lines
118
119 Column : Natural := 0;
120 -- Column number of the last character in the line. Used to avoid
121 -- outputting lines longer than Max_Line_Length.
122
123 First_With_In_List : Boolean := True;
124 -- Indicate that the next with clause is first in a list such as
125 -- with "A", "B";
126 -- First_With_In_List will be True for "A", but not for "B".
127
128 ---------------------------
129 -- Output_Attribute_Name --
130 ---------------------------
131
132 procedure Output_Attribute_Name (Name : Name_Id; Indent : Natural) is
133 begin
134 if Backward_Compatibility then
135 case Name is
136 when Snames.Name_Spec =>
137 Output_Name (Snames.Name_Specification, Indent);
138
139 when Snames.Name_Spec_Suffix =>
140 Output_Name (Snames.Name_Specification_Suffix, Indent);
141
142 when Snames.Name_Body =>
143 Output_Name (Snames.Name_Implementation, Indent);
144
145 when Snames.Name_Body_Suffix =>
146 Output_Name (Snames.Name_Implementation_Suffix, Indent);
147
148 when others =>
149 Output_Name (Name, Indent);
150 end case;
151
152 else
153 Output_Name (Name, Indent);
154 end if;
155 end Output_Attribute_Name;
156
157 -----------------
158 -- Output_Name --
159 -----------------
160
161 procedure Output_Name
162 (Name : Name_Id;
163 Indent : Natural;
164 Capitalize : Boolean := True)
165 is
166 Capital : Boolean := Capitalize;
167
168 begin
169 if Column = 0 and then Indent /= 0 then
170 Start_Line (Indent + Increment);
171 end if;
172
173 Get_Name_String (Name);
174
175 -- If line would become too long, create new line
176
177 if Column + Name_Len > Max_Line_Length then
178 Write_Eol.all;
179 Column := 0;
180
181 if Indent /= 0 then
182 Start_Line (Indent + Increment);
183 end if;
184 end if;
185
186 for J in 1 .. Name_Len loop
187 if Capital then
188 Write_Char (To_Upper (Name_Buffer (J)));
189 else
190 Write_Char (Name_Buffer (J));
191 end if;
192
193 if Capitalize then
194 Capital :=
195 Name_Buffer (J) = '_'
196 or else Is_Digit (Name_Buffer (J));
197 end if;
198 end loop;
199
200 Column := Column + Name_Len;
201 end Output_Name;
202
203 -------------------------
204 -- Output_Project_File --
205 -------------------------
206
207 procedure Output_Project_File (S : Name_Id) is
208 File_Name : constant String := Get_Name_String (S);
209
210 begin
211 Write_Char ('"');
212
213 for J in File_Name'Range loop
214 if File_Name (J) = '"' then
215 Write_Char ('"');
216 Write_Char ('"');
217 else
218 Write_Char (File_Name (J));
219 end if;
220 end loop;
221
222 Write_Char ('"');
223 end Output_Project_File;
224
225 -------------------
226 -- Output_String --
227 -------------------
228
229 procedure Output_String (S : Name_Id; Indent : Natural) is
230 begin
231 if Column = 0 and then Indent /= 0 then
232 Start_Line (Indent + Increment);
233 end if;
234
235 Get_Name_String (S);
236
237 -- If line could become too long, create new line. Note that the
238 -- number of characters on the line could be twice the number of
239 -- character in the string (if every character is a '"') plus two
240 -- (the initial and final '"').
241
242 if Column + Name_Len + Name_Len + 2 > Max_Line_Length then
243 Write_Eol.all;
244 Column := 0;
245
246 if Indent /= 0 then
247 Start_Line (Indent + Increment);
248 end if;
249 end if;
250
251 Write_Char ('"');
252 Column := Column + 1;
253 Get_Name_String (S);
254
255 for J in 1 .. Name_Len loop
256 if Name_Buffer (J) = '"' then
257 Write_Char ('"');
258 Write_Char ('"');
259 Column := Column + 2;
260 else
261 Write_Char (Name_Buffer (J));
262 Column := Column + 1;
263 end if;
264
265 -- If the string does not fit on one line, cut it in parts and
266 -- concatenate.
267
268 if J < Name_Len and then Column >= Max_Line_Length then
269 Write_Str (""" &");
270 Write_Eol.all;
271 Column := 0;
272 Start_Line (Indent + Increment);
273 Write_Char ('"');
274 Column := Column + 1;
275 end if;
276 end loop;
277
278 Write_Char ('"');
279 Column := Column + 1;
280 end Output_String;
281
282 ----------------
283 -- Start_Line --
284 ----------------
285
286 procedure Start_Line (Indent : Natural) is
287 begin
288 if not Minimize_Empty_Lines then
289 Write_Str ((1 .. Indent => ' '));
290 Column := Column + Indent;
291 end if;
292 end Start_Line;
293
294 ----------------------
295 -- Write_Empty_Line --
296 ----------------------
297
298 procedure Write_Empty_Line (Always : Boolean := False) is
299 begin
300 if (Always or else not Minimize_Empty_Lines)
301 and then not Last_Line_Is_Empty
302 then
303 Write_Eol.all;
304 Column := 0;
305 Last_Line_Is_Empty := True;
306 end if;
307 end Write_Empty_Line;
308
309 -------------------------------
310 -- Write_End_Of_Line_Comment --
311 -------------------------------
312
313 procedure Write_End_Of_Line_Comment (Node : Project_Node_Id) is
314 Value : constant Name_Id := End_Of_Line_Comment (Node, In_Tree);
315
316 begin
317 if Value /= No_Name then
318 Write_String (" --", 0);
319 Write_String (Get_Name_String (Value), 0, Truncated => True);
320 end if;
321
322 Write_Line ("");
323 end Write_End_Of_Line_Comment;
324
325 ----------------
326 -- Write_Line --
327 ----------------
328
329 procedure Write_Line (S : String) is
330 begin
331 Write_String (S, 0);
332 Last_Line_Is_Empty := False;
333 Write_Eol.all;
334 Column := 0;
335 end Write_Line;
336
337 ------------------
338 -- Write_String --
339 ------------------
340
341 procedure Write_String
342 (S : String;
343 Indent : Natural;
344 Truncated : Boolean := False)
345 is
346 Length : Natural := S'Length;
347
348 begin
349 if Column = 0 and then Indent /= 0 then
350 Start_Line (Indent + Increment);
351 end if;
352
353 -- If the string would not fit on the line, start a new line
354
355 if Column + Length > Max_Line_Length then
356 if Truncated then
357 Length := Max_Line_Length - Column;
358
359 else
360 Write_Eol.all;
361 Column := 0;
362
363 if Indent /= 0 then
364 Start_Line (Indent + Increment);
365 end if;
366 end if;
367 end if;
368
369 Write_Str (S (S'First .. S'First + Length - 1));
370 Column := Column + Length;
371 end Write_String;
372
373 -----------
374 -- Print --
375 -----------
376
377 procedure Print (Node : Project_Node_Id; Indent : Natural) is
378 begin
379 if Present (Node) then
380 case Kind_Of (Node, In_Tree) is
381 when N_Project =>
382 pragma Debug (Indicate_Tested (N_Project));
383 if Present (First_With_Clause_Of (Node, In_Tree)) then
384
385 -- with clause(s)
386
387 First_With_In_List := True;
388 Print (First_With_Clause_Of (Node, In_Tree), Indent);
389 Write_Empty_Line (Always => True);
390 end if;
391
392 Print (First_Comment_Before (Node, In_Tree), Indent);
393 Start_Line (Indent);
394
395 case Project_Qualifier_Of (Node, In_Tree) is
396 when Unspecified | Standard =>
397 null;
398 when Aggregate =>
399 Write_String ("aggregate ", Indent);
400 when Aggregate_Library =>
401 Write_String ("aggregate library ", Indent);
402 when Library =>
403 Write_String ("library ", Indent);
404 when Configuration =>
405 Write_String ("configuration ", Indent);
406 when Abstract_Project =>
407 Write_String ("abstract ", Indent);
408 end case;
409
410 Write_String ("project ", Indent);
411
412 if Id /= Prj.No_Project then
413 Output_Name (Id.Display_Name, Indent);
414 else
415 Output_Name (Name_Of (Node, In_Tree), Indent);
416 end if;
417
418 -- Check if this project extends another project
419
420 if Extended_Project_Path_Of (Node, In_Tree) /= No_Path then
421 Write_String (" extends ", Indent);
422
423 if Is_Extending_All (Node, In_Tree) then
424 Write_String ("all ", Indent);
425 end if;
426
427 Output_Project_File
428 (Name_Id (Extended_Project_Path_Of (Node, In_Tree)));
429 end if;
430
431 Write_String (" is", Indent);
432 Write_End_Of_Line_Comment (Node);
433 Print
434 (First_Comment_After (Node, In_Tree), Indent + Increment);
435 Write_Empty_Line (Always => True);
436
437 -- Output all of the declarations in the project
438
439 Print (Project_Declaration_Of (Node, In_Tree), Indent);
440 Print
441 (First_Comment_Before_End (Node, In_Tree),
442 Indent + Increment);
443 Start_Line (Indent);
444 Write_String ("end ", Indent);
445
446 if Id /= Prj.No_Project then
447 Output_Name (Id.Display_Name, Indent);
448 else
449 Output_Name (Name_Of (Node, In_Tree), Indent);
450 end if;
451
452 Write_Line (";");
453 Print (First_Comment_After_End (Node, In_Tree), Indent);
454
455 when N_With_Clause =>
456 pragma Debug (Indicate_Tested (N_With_Clause));
457
458 -- The with clause will sometimes contain an invalid name
459 -- when we are importing a virtual project from an extending
460 -- all project. Do not output anything in this case.
461
462 if Name_Of (Node, In_Tree) /= No_Name
463 and then String_Value_Of (Node, In_Tree) /= No_Name
464 then
465 if First_With_In_List then
466 Print (First_Comment_Before (Node, In_Tree), Indent);
467 Start_Line (Indent);
468
469 if Non_Limited_Project_Node_Of (Node, In_Tree) =
470 Empty_Node
471 then
472 Write_String ("limited ", Indent);
473 end if;
474
475 Write_String ("with ", Indent);
476 end if;
477
478 -- Output the project name without concatenation, even if
479 -- the line is too long.
480
481 Output_Project_File (String_Value_Of (Node, In_Tree));
482
483 if Is_Not_Last_In_List (Node, In_Tree) then
484 Write_String (", ", Indent);
485 First_With_In_List := False;
486
487 else
488 Write_String (";", Indent);
489 Write_End_Of_Line_Comment (Node);
490 Print (First_Comment_After (Node, In_Tree), Indent);
491 First_With_In_List := True;
492 end if;
493 end if;
494
495 Print (Next_With_Clause_Of (Node, In_Tree), Indent);
496
497 when N_Project_Declaration =>
498 pragma Debug (Indicate_Tested (N_Project_Declaration));
499
500 if
501 Present (First_Declarative_Item_Of (Node, In_Tree))
502 then
503 Print
504 (First_Declarative_Item_Of (Node, In_Tree),
505 Indent + Increment);
506 Write_Empty_Line (Always => True);
507 end if;
508
509 when N_Declarative_Item =>
510 pragma Debug (Indicate_Tested (N_Declarative_Item));
511 Print (Current_Item_Node (Node, In_Tree), Indent);
512 Print (Next_Declarative_Item (Node, In_Tree), Indent);
513
514 when N_Package_Declaration =>
515 pragma Debug (Indicate_Tested (N_Package_Declaration));
516 Write_Empty_Line (Always => True);
517 Print (First_Comment_Before (Node, In_Tree), Indent);
518 Start_Line (Indent);
519 Write_String ("package ", Indent);
520 Output_Name (Name_Of (Node, In_Tree), Indent);
521
522 if Project_Of_Renamed_Package_Of (Node, In_Tree) /=
523 Empty_Node
524 then
525 Write_String (" renames ", Indent);
526 Output_Name
527 (Name_Of
528 (Project_Of_Renamed_Package_Of (Node, In_Tree),
529 In_Tree),
530 Indent);
531 Write_String (".", Indent);
532 Output_Name (Name_Of (Node, In_Tree), Indent);
533 Write_String (";", Indent);
534 Write_End_Of_Line_Comment (Node);
535 Print (First_Comment_After_End (Node, In_Tree), Indent);
536
537 else
538 Write_String (" is", Indent);
539 Write_End_Of_Line_Comment (Node);
540 Print (First_Comment_After (Node, In_Tree),
541 Indent + Increment);
542
543 if First_Declarative_Item_Of (Node, In_Tree) /= Empty_Node
544 then
545 Print
546 (First_Declarative_Item_Of (Node, In_Tree),
547 Indent + Increment);
548 end if;
549
550 Print (First_Comment_Before_End (Node, In_Tree),
551 Indent + Increment);
552 Start_Line (Indent);
553 Write_String ("end ", Indent);
554 Output_Name (Name_Of (Node, In_Tree), Indent);
555 Write_Line (";");
556 Print (First_Comment_After_End (Node, In_Tree), Indent);
557 Write_Empty_Line;
558 end if;
559
560 when N_String_Type_Declaration =>
561 pragma Debug (Indicate_Tested (N_String_Type_Declaration));
562 Print (First_Comment_Before (Node, In_Tree), Indent);
563 Start_Line (Indent);
564 Write_String ("type ", Indent);
565 Output_Name (Name_Of (Node, In_Tree), Indent);
566 Write_Line (" is");
567 Start_Line (Indent + Increment);
568 Write_String ("(", Indent);
569
570 declare
571 String_Node : Project_Node_Id :=
572 First_Literal_String (Node, In_Tree);
573
574 begin
575 while Present (String_Node) loop
576 Output_String
577 (String_Value_Of (String_Node, In_Tree), Indent);
578 String_Node :=
579 Next_Literal_String (String_Node, In_Tree);
580
581 if Present (String_Node) then
582 Write_String (", ", Indent);
583 end if;
584 end loop;
585 end;
586
587 Write_String (");", Indent);
588 Write_End_Of_Line_Comment (Node);
589 Print (First_Comment_After (Node, In_Tree), Indent);
590
591 when N_Literal_String =>
592 pragma Debug (Indicate_Tested (N_Literal_String));
593 Output_String (String_Value_Of (Node, In_Tree), Indent);
594
595 if Source_Index_Of (Node, In_Tree) /= 0 then
596 Write_String (" at", Indent);
597 Write_String
598 (Source_Index_Of (Node, In_Tree)'Img, Indent);
599 end if;
600
601 when N_Attribute_Declaration =>
602 pragma Debug (Indicate_Tested (N_Attribute_Declaration));
603 Print (First_Comment_Before (Node, In_Tree), Indent);
604 Start_Line (Indent);
605 Write_String ("for ", Indent);
606 Output_Attribute_Name (Name_Of (Node, In_Tree), Indent);
607
608 if Associative_Array_Index_Of (Node, In_Tree) /= No_Name then
609 Write_String (" (", Indent);
610 Output_String
611 (Associative_Array_Index_Of (Node, In_Tree), Indent);
612
613 if Source_Index_Of (Node, In_Tree) /= 0 then
614 Write_String (" at", Indent);
615 Write_String
616 (Source_Index_Of (Node, In_Tree)'Img, Indent);
617 end if;
618
619 Write_String (")", Indent);
620 end if;
621
622 Write_String (" use ", Indent);
623
624 if Present (Expression_Of (Node, In_Tree)) then
625 Print (Expression_Of (Node, In_Tree), Indent);
626
627 else
628 -- Full associative array declaration
629
630 if Present (Associative_Project_Of (Node, In_Tree)) then
631 Output_Name
632 (Name_Of
633 (Associative_Project_Of (Node, In_Tree),
634 In_Tree),
635 Indent);
636
637 if Present (Associative_Package_Of (Node, In_Tree))
638 then
639 Write_String (".", Indent);
640 Output_Name
641 (Name_Of
642 (Associative_Package_Of (Node, In_Tree),
643 In_Tree),
644 Indent);
645 end if;
646
647 elsif Present (Associative_Package_Of (Node, In_Tree))
648 then
649 Output_Name
650 (Name_Of
651 (Associative_Package_Of (Node, In_Tree),
652 In_Tree),
653 Indent);
654 end if;
655
656 Write_String ("'", Indent);
657 Output_Attribute_Name (Name_Of (Node, In_Tree), Indent);
658 end if;
659
660 Write_String (";", Indent);
661 Write_End_Of_Line_Comment (Node);
662 Print (First_Comment_After (Node, In_Tree), Indent);
663
664 when N_Typed_Variable_Declaration =>
665 pragma Debug
666 (Indicate_Tested (N_Typed_Variable_Declaration));
667 Print (First_Comment_Before (Node, In_Tree), Indent);
668 Start_Line (Indent);
669 Output_Name (Name_Of (Node, In_Tree), Indent);
670 Write_String (" : ", Indent);
671 Output_Name
672 (Name_Of (String_Type_Of (Node, In_Tree), In_Tree),
673 Indent);
674 Write_String (" := ", Indent);
675 Print (Expression_Of (Node, In_Tree), Indent);
676 Write_String (";", Indent);
677 Write_End_Of_Line_Comment (Node);
678 Print (First_Comment_After (Node, In_Tree), Indent);
679
680 when N_Variable_Declaration =>
681 pragma Debug (Indicate_Tested (N_Variable_Declaration));
682 Print (First_Comment_Before (Node, In_Tree), Indent);
683 Start_Line (Indent);
684 Output_Name (Name_Of (Node, In_Tree), Indent);
685 Write_String (" := ", Indent);
686 Print (Expression_Of (Node, In_Tree), Indent);
687 Write_String (";", Indent);
688 Write_End_Of_Line_Comment (Node);
689 Print (First_Comment_After (Node, In_Tree), Indent);
690
691 when N_Expression =>
692 pragma Debug (Indicate_Tested (N_Expression));
693 declare
694 Term : Project_Node_Id := First_Term (Node, In_Tree);
695
696 begin
697 while Present (Term) loop
698 Print (Term, Indent);
699 Term := Next_Term (Term, In_Tree);
700
701 if Present (Term) then
702 Write_String (" & ", Indent);
703 end if;
704 end loop;
705 end;
706
707 when N_Term =>
708 pragma Debug (Indicate_Tested (N_Term));
709 Print (Current_Term (Node, In_Tree), Indent);
710
711 when N_Literal_String_List =>
712 pragma Debug (Indicate_Tested (N_Literal_String_List));
713 Write_String ("(", Indent);
714
715 declare
716 Expression : Project_Node_Id :=
717 First_Expression_In_List (Node, In_Tree);
718
719 begin
720 while Present (Expression) loop
721 Print (Expression, Indent);
722 Expression :=
723 Next_Expression_In_List (Expression, In_Tree);
724
725 if Present (Expression) then
726 Write_String (", ", Indent);
727 end if;
728 end loop;
729 end;
730
731 Write_String (")", Indent);
732
733 when N_Variable_Reference =>
734 pragma Debug (Indicate_Tested (N_Variable_Reference));
735 if Present (Project_Node_Of (Node, In_Tree)) then
736 Output_Name
737 (Name_Of (Project_Node_Of (Node, In_Tree), In_Tree),
738 Indent);
739 Write_String (".", Indent);
740 end if;
741
742 if Present (Package_Node_Of (Node, In_Tree)) then
743 Output_Name
744 (Name_Of (Package_Node_Of (Node, In_Tree), In_Tree),
745 Indent);
746 Write_String (".", Indent);
747 end if;
748
749 Output_Name (Name_Of (Node, In_Tree), Indent);
750
751 when N_External_Value =>
752 pragma Debug (Indicate_Tested (N_External_Value));
753 Write_String ("external (", Indent);
754 Print (External_Reference_Of (Node, In_Tree), Indent);
755
756 if Present (External_Default_Of (Node, In_Tree)) then
757 Write_String (", ", Indent);
758 Print (External_Default_Of (Node, In_Tree), Indent);
759 end if;
760
761 Write_String (")", Indent);
762
763 when N_Attribute_Reference =>
764 pragma Debug (Indicate_Tested (N_Attribute_Reference));
765
766 if Present (Project_Node_Of (Node, In_Tree))
767 and then Project_Node_Of (Node, In_Tree) /= Project
768 then
769 Output_Name
770 (Name_Of (Project_Node_Of (Node, In_Tree), In_Tree),
771 Indent);
772
773 if Present (Package_Node_Of (Node, In_Tree)) then
774 Write_String (".", Indent);
775 Output_Name
776 (Name_Of (Package_Node_Of (Node, In_Tree), In_Tree),
777 Indent);
778 end if;
779
780 elsif Present (Package_Node_Of (Node, In_Tree)) then
781 Output_Name
782 (Name_Of (Package_Node_Of (Node, In_Tree), In_Tree),
783 Indent);
784
785 else
786 Write_String ("project", Indent);
787 end if;
788
789 Write_String ("'", Indent);
790 Output_Attribute_Name (Name_Of (Node, In_Tree), Indent);
791
792 declare
793 Index : constant Name_Id :=
794 Associative_Array_Index_Of (Node, In_Tree);
795 begin
796 if Index /= No_Name then
797 Write_String (" (", Indent);
798 Output_String (Index, Indent);
799 Write_String (")", Indent);
800 end if;
801 end;
802
803 when N_Case_Construction =>
804 pragma Debug (Indicate_Tested (N_Case_Construction));
805
806 declare
807 Case_Item : Project_Node_Id;
808 Is_Non_Empty : Boolean := False;
809
810 begin
811 Case_Item := First_Case_Item_Of (Node, In_Tree);
812 while Present (Case_Item) loop
813 if Present
814 (First_Declarative_Item_Of (Case_Item, In_Tree))
815 or else not Eliminate_Empty_Case_Constructions
816 then
817 Is_Non_Empty := True;
818 exit;
819 end if;
820
821 Case_Item := Next_Case_Item (Case_Item, In_Tree);
822 end loop;
823
824 if Is_Non_Empty then
825 Write_Empty_Line;
826 Print (First_Comment_Before (Node, In_Tree), Indent);
827 Start_Line (Indent);
828 Write_String ("case ", Indent);
829 Print
830 (Case_Variable_Reference_Of (Node, In_Tree), Indent);
831 Write_String (" is", Indent);
832 Write_End_Of_Line_Comment (Node);
833 Print
834 (First_Comment_After (Node, In_Tree),
835 Indent + Increment);
836
837 declare
838 Case_Item : Project_Node_Id :=
839 First_Case_Item_Of (Node, In_Tree);
840 begin
841 while Present (Case_Item) loop
842 pragma Assert
843 (Kind_Of (Case_Item, In_Tree) = N_Case_Item);
844 Print (Case_Item, Indent + Increment);
845 Case_Item :=
846 Next_Case_Item (Case_Item, In_Tree);
847 end loop;
848 end;
849
850 Print (First_Comment_Before_End (Node, In_Tree),
851 Indent + Increment);
852 Start_Line (Indent);
853 Write_Line ("end case;");
854 Print
855 (First_Comment_After_End (Node, In_Tree), Indent);
856 end if;
857 end;
858
859 when N_Case_Item =>
860 pragma Debug (Indicate_Tested (N_Case_Item));
861
862 if Present (First_Declarative_Item_Of (Node, In_Tree))
863 or else not Eliminate_Empty_Case_Constructions
864 then
865 Write_Empty_Line;
866 Print (First_Comment_Before (Node, In_Tree), Indent);
867 Start_Line (Indent);
868 Write_String ("when ", Indent);
869
870 if No (First_Choice_Of (Node, In_Tree)) then
871 Write_String ("others", Indent);
872
873 else
874 declare
875 Label : Project_Node_Id :=
876 First_Choice_Of (Node, In_Tree);
877
878 begin
879 while Present (Label) loop
880 Print (Label, Indent);
881 Label := Next_Literal_String (Label, In_Tree);
882
883 if Present (Label) then
884 Write_String (" | ", Indent);
885 end if;
886 end loop;
887 end;
888 end if;
889
890 Write_String (" =>", Indent);
891 Write_End_Of_Line_Comment (Node);
892 Print
893 (First_Comment_After (Node, In_Tree),
894 Indent + Increment);
895
896 declare
897 First : constant Project_Node_Id :=
898 First_Declarative_Item_Of (Node, In_Tree);
899 begin
900 if No (First) then
901 Write_Empty_Line;
902 else
903 Print (First, Indent + Increment);
904 end if;
905 end;
906 end if;
907
908 when N_Comment_Zones =>
909
910 -- Nothing to do, because it will not be processed directly
911
912 null;
913
914 when N_Comment =>
915 pragma Debug (Indicate_Tested (N_Comment));
916
917 if Follows_Empty_Line (Node, In_Tree) then
918 Write_Empty_Line;
919 end if;
920
921 Start_Line (Indent);
922 Write_String ("--", Indent);
923 Write_String
924 (Get_Name_String (String_Value_Of (Node, In_Tree)),
925 Indent,
926 Truncated => True);
927 Write_Line ("");
928
929 if Is_Followed_By_Empty_Line (Node, In_Tree) then
930 Write_Empty_Line;
931 end if;
932
933 Print (Next_Comment (Node, In_Tree), Indent);
934 end case;
935 end if;
936 end Print;
937
938 -- Start of processing for Pretty_Print
939
940 begin
941 if W_Char = null then
942 Write_Char := Output.Write_Char'Access;
943 else
944 Write_Char := W_Char;
945 end if;
946
947 if W_Eol = null then
948 Write_Eol := Output.Write_Eol'Access;
949 else
950 Write_Eol := W_Eol;
951 end if;
952
953 if W_Str = null then
954 Write_Str := Output.Write_Str'Access;
955 else
956 Write_Str := W_Str;
957 end if;
958
959 Print (Project, 0);
960 end Pretty_Print;
961
962 -----------------------
963 -- Output_Statistics --
964 -----------------------
965
966 procedure Output_Statistics is
967 begin
968 Output.Write_Line ("Project_Node_Kinds not tested:");
969
970 for Kind in Project_Node_Kind loop
971 if Kind /= N_Comment_Zones and then Not_Tested (Kind) then
972 Output.Write_Str (" ");
973 Output.Write_Line (Project_Node_Kind'Image (Kind));
974 end if;
975 end loop;
976
977 Output.Write_Eol;
978 end Output_Statistics;
979
980 ---------
981 -- wpr --
982 ---------
983
984 procedure wpr
985 (Project : Prj.Tree.Project_Node_Id;
986 In_Tree : Prj.Tree.Project_Node_Tree_Ref)
987 is
988 begin
989 Pretty_Print (Project, In_Tree, Backward_Compatibility => False);
990 end wpr;
991
992 end Prj.PP;
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