1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891 | ------------------------------------------------------------------------------
-- --
-- SVD Binding Generator --
-- --
-- Copyright (C) 2015-2019, AdaCore --
-- --
-- SVD2Ada is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the Free --
-- Software Foundation; either version 3, or (at your option) any later --
-- version. SVD2Ada is distributed in the hope that it will be useful, but --
-- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTA- --
-- BILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public --
-- License for more details. You should have received a copy of the GNU --
-- General Public License distributed with SVD2Ada; see file COPYING3. If --
-- not, go to http://www.gnu.org/licenses for a complete copy of the --
-- license. --
-- --
------------------------------------------------------------------------------
with Ada.Text_IO;
with Ada.Containers.Indefinite_Vectors;
with DOM.Core;
with DOM.Core.Elements; use DOM.Core.Elements;
with DOM.Core.Nodes;
with SVD2Ada_Utils;
package body Descriptors.Cluster is
procedure Insert_Element
(Cluster : in out Cluster_T;
Elt : Peripheral_Element);
procedure Dump_Cluster_Type
(Spec : in out Ada_Gen.Ada_Spec;
Cluster : in out Cluster_T;
Type_Name : String);
function Image (N : Natural) return String;
-- convenience routine, truncates leading blank from 'Image
function Computed_Name (Input : Cluster_T) return Unbounded_String;
-- if Input.Dim = 1 then returns the Input.XML_Id unchanged, otherwise
-- computes it by removing the "[%s]" substring of the Xml_Id
package String_List is new Ada.Containers.Indefinite_Vectors
(Positive, String);
---------------------
-- Read_Cluster --
---------------------
function Read_Cluster
(Elt : DOM.Core.Element;
Prepend : Unbounded_String;
Append : Unbounded_String;
Reg_Properties : Register_Properties_T;
Db : Cluster_Db'Class) return Cluster_T
is
use DOM.Core;
List : constant Node_List := Nodes.Child_Nodes (Elt);
Result : Cluster_T;
Derived_From : constant String := Elements.Get_Attribute (Elt, "derivedFrom");
Register : Register_Access;
Reg2 : Register_Access;
Cluster : Cluster_Access;
begin
Result.Reg_Properties := Reg_Properties;
if Derived_From /= "" then
declare
Oth : Cluster_Access renames Db.Get_Cluster (Derived_From);
begin
if Oth /= null then
Result := Oth.all;
Result.Content.Clear;
for Elt of Oth.Content loop
Result.Content.Append (Deep_Copy (Elt));
end loop;
else
raise Constraint_Error with
"cluster 'derivedFrom' is not known: " & Derived_From;
end if;
end;
end if;
for J in 0 .. Nodes.Length (List) - 1 loop
if Nodes.Node_Type (Nodes.Item (List, J)) = Element_Node then
declare
Child : constant DOM.Core.Element := DOM.Core.Element (Nodes.Item (List, J));
Tag : String renames Elements.Get_Tag_Name (Child);
begin
if Tag = "name" then
Result.Xml_Id := Get_Value (Child);
Result.Name := Prepend & Computed_Name (Result) & Append;
Result.Type_Name := Result.Name;
-- Type_Name might be overloaded by headerStructName
elsif Tag = "headerStructName" then
Result.Type_Name := Get_Value (Child);
elsif Tag = "description" then
Result.Description := Get_Value (Child);
elsif Tag = "alternateCluster" then
null;
elsif Tag = "addressOffset" then
Result.Address_Offset := Get_Value (Child);
elsif Tag = "dim" then
Result.Dim := Get_Value (Child);
if Length (Result.Xml_Id) > 0 then
Result.Name := Computed_Name (Result);
end if;
elsif Tag = "dimIncrement" then
Result.Dim_Increment := Get_Value (Child);
elsif Tag = "dimIndex" then
Result.Dim_Index := Get_Value (Child);
elsif Tag = "register" then
Register := Read_Register
(Child,
Prepend,
Append & "_" & To_String (Result.Name),
Result.Reg_Properties,
Result);
if Register.Dim > 1
and then Register.Dim_Increment /=
Register.Reg_Properties.Size / 8
then
-- in such case, this certainly indicates
-- two intertwined arrays of registers, We
-- need in this case to expand the erray
-- into individual values
for J in 0 .. Register.Dim - 1 loop
Reg2 := new Register_T'(Register.all);
Reg2.Dim := 1;
Reg2.Address_Offset :=
Register.Address_Offset +
J * Register.Dim_Increment;
Reg2.Name :=
Register.Name & To_String (J);
Insert_Element (Result, +Reg2);
end loop;
else
Insert_Element (Result, +Register);
end if;
elsif Tag = "cluster" then
Cluster := new Cluster_T'
(Read_Cluster
(Child,
Prepend,
Append,
Result.Reg_Properties,
Result));
Insert_Element (Result, +Cluster);
else
Ada.Text_IO.Put_Line
("*** WARNING: ignoring cluster element " & Tag & " at " & Full_Name (Child));
end if;
end;
end if;
end loop;
return Result;
end Read_Cluster;
---------------
-- Deep_Copy --
---------------
function Deep_Copy (Cluster : Cluster_Access) return Cluster_Access
is
Result : constant Cluster_Access := new Cluster_T'(Cluster.all);
begin
Result.Content.Clear;
for Elt of Cluster.Content loop
case Elt.Kind is
when Register_Element =>
Result.Content.Append ((Register_Element, new Register_T'(Elt.Reg.all)));
when Cluster_Element =>
Result.Content.Append ((Cluster_Element, Deep_Copy (Elt.Cluster)));
end case;
end loop;
return Result;
end Deep_Copy;
------------------
-- Get_Register --
------------------
overriding function Get_Register
(Db : Cluster_T;
XML_Id : String) return Register_Access
is
begin
for Elt of Db.Content loop
if Elt.Kind = Register_Element
and then To_String (Elt.Reg.Xml_Id) = XML_Id
then
return Elt.Reg;
end if;
end loop;
return null;
end Get_Register;
-----------------
-- Get_Cluster --
-----------------
overriding function Get_Cluster
(Db : Cluster_T;
XML_Id : String) return Cluster_Access
is
begin
for Elt of Db.Content loop
if Elt.Kind = Cluster_Element
and then To_String (Elt.Cluster.Xml_Id) = XML_Id
then
return Elt.Cluster;
end if;
end loop;
return null;
end Get_Cluster;
-------------
-- Get_MSB --
-------------
function Get_Size (Cluster : Cluster_T) return Positive
is
Elt : Peripheral_Element renames Cluster.Content.Last_Element;
Result : Natural := 0;
begin
if Cluster.Dim > 1 then
return Cluster.Dim_Increment * 8;
end if;
Result := 8 * Address_Offset (Elt);
case Elt.Kind is
when Register_Element =>
Result := Result +
(if Elt.Reg.Dim = 1
then Elt.Reg.Reg_Properties.Size
else Elt.Reg.Dim * Elt.Reg.Dim_Increment * 8);
when Cluster_Element =>
Result := Result + Get_Size (Elt.Cluster.all);
end case;
if Result mod 32 /= 0 then
Result := Result + 32 - (Result mod 32);
end if;
return Positive (Result);
end Get_Size;
--------------------
-- Insert_Element --
--------------------
procedure Insert_Element
(Cluster : in out Cluster_T;
Elt : Peripheral_Element)
is
Added : Boolean;
Offset : constant Natural := Address_Offset (Elt);
begin
if Cluster.Content.Contains (Elt) then
return;
end if;
Added := False;
for J in 1 .. Integer (Peripheral_Element_Vectors.Length (Cluster.Content))
loop
case Cluster.Content (J).Kind is
when Register_Element =>
if Cluster.Content (J).Reg.Address_Offset > Offset then
Cluster.Content.Insert (J, Elt);
Added := True;
exit;
end if;
when Cluster_Element =>
if Cluster.Content (J).Cluster.Address_Offset > Offset then
Cluster.Content.Insert (J, Elt);
Added := True;
exit;
end if;
end case;
end loop;
if not Added then
Cluster.Content.Append (Elt);
end if;
end Insert_Element;
-----------------------------------
-- Process_Overlapping_Registers --
-----------------------------------
procedure Process_Overlapping_Registers
(Reg_Set : Peripheral_Element_Vectors.Vector;
Found : out Boolean)
is
Idx : Positive;
Off : Natural;
Last : Natural;
Enum_Idx : Natural;
begin
Found := False;
-- search the vector of elements to see if any overlap and, if so, set
-- Found to True and mark them (within the vector) as overlapping
for J in Reg_Set.First_Index .. Reg_Set.Last_Index - 1 loop
declare
Elt : Peripheral_Element renames Reg_Set (J);
Off1 : constant Natural := Address_Offset (Elt);
begin
for K in J + 1 .. Reg_Set.Last_Index loop
declare
Elt2 : Peripheral_Element renames Reg_Set (K);
begin
exit when Off1 /= Address_Offset (Elt2);
if Reg_Set (J).Kind /= Reg_Set (K).Kind then
raise Constraint_Error with
"Registers and clusters overlapping is " &
"not supported for now";
end if;
case Reg_Set (J).Kind is
when Register_Element =>
Reg_Set (J).Reg.Is_Overlapping := True;
Reg_Set (K).Reg.Is_Overlapping := True;
Found := True;
when Cluster_Element =>
Reg_Set (J).Cluster.Is_Overlapping := True;
Reg_Set (K).Cluster.Is_Overlapping := True;
Found := True;
end case;
end;
end loop;
end;
end loop;
if not Found then
return;
end if;
Idx := Reg_Set.First_Index;
while Idx < Reg_Set.Last_Index loop
-- Do not perform a second pass if the register has already been
-- detected as aliased
if not Is_Overlapping (Reg_Set (Idx)) then
Idx := Idx + 1;
else
declare
Elt : constant Peripheral_Element := Reg_Set (Idx);
Prefix : constant String := To_String (Name (Elt));
begin
Last := Prefix'Last;
Off := Address_Offset (Elt);
-- First loop: look at another register at the same offset
-- If found, mark the current register as overlapping, and find
-- a prefix common to all overlapping registers.
for K in Idx + 1 .. Reg_Set.Last_Index loop
exit when Address_Offset (Reg_Set (K)) /= Off;
for J in 1 .. Last loop
if J > Length (Name (Reg_Set (K)))
or else Prefix (J) /= Element (Name (Reg_Set (K)), J)
then
if Last /= 0 then
Last := J - 1;
end if;
exit;
end if;
end loop;
end loop;
end;
-- Second loop: find enum values for the registers
if Last = 0 then
Enum_Idx := 1;
end if;
loop
exit when Idx > Reg_Set.Last_Index;
exit when Address_Offset (Reg_Set (Idx)) /= Off;
declare
Elt : constant Peripheral_Element := Reg_Set (Idx);
Prefix : constant String := To_String (Name (Elt));
begin
if Last = 0 then
-- No common name found: let's imagine one
case Elt.Kind is
when Register_Element =>
Elt.Reg.Overlap_Suffix := To_Unbounded_String ("Mode_" & Image (Enum_Idx));
when Cluster_Element =>
Elt.Cluster.Overlap_Suffix := To_Unbounded_String ("Mode_" & Image (Enum_Idx));
end case;
Enum_Idx := Enum_Idx + 1;
elsif Last = Prefix'Last then
case Elt.Kind is
when Register_Element =>
Elt.Reg.Overlap_Suffix := To_Unbounded_String ("Default");
when Cluster_Element =>
Elt.Cluster.Overlap_Suffix := To_Unbounded_String ("Default");
end case;
else
-- If we have names like "CMR0",
-- "CMR0_WAVE_EQ_1", the suffix for the second must
-- skip the '_'.
declare
Skip : Positive := Last + 1;
begin
while Prefix (Skip) = '_' loop
Skip := Skip + 1;
end loop;
case Elt.Kind is
when Register_Element =>
Elt.Reg.Overlap_Suffix := To_Unbounded_String (Prefix (Skip .. Prefix'Last));
when Cluster_Element =>
Elt.Cluster.Overlap_Suffix := To_Unbounded_String (Prefix (Skip .. Prefix'Last));
end case;
end;
end if;
Idx := Idx + 1;
end;
end loop;
end if;
end loop;
end Process_Overlapping_Registers;
-----------
-- Equal --
-----------
function Equal (C1, C2 : Cluster_Access) return Boolean
is
use type Ada.Containers.Count_Type;
begin
if C1.Name /= C2.Name
or else C1.Address_Offset /= C2.Address_Offset
or else Get_Size (C1.all) /= Get_Size (C2.all)
or else C1.Dim /= C2.Dim
or else C1.Dim_Increment /= C2.Dim_Increment
or else C1.Content.Length /= C2.Content.Length
then
return False;
end if;
for J in C1.Content.First_Index .. C1.Content.Last_Index loop
declare
Elt1 : Peripheral_Element renames C1.Content (J);
Elt2 : Peripheral_Element renames C2.Content (J);
begin
if Elt1.Kind /= Elt2.Kind then
return False;
end if;
if Elt1.Kind = Register_Element then
if not Equal (Elt1.Reg, Elt2.Reg) then
return False;
end if;
else
if not Equal (Elt1.Cluster, Elt2.Cluster) then
return False;
end if;
end if;
end;
end loop;
return True;
end Equal;
-----------------------
-- Find_Common_Types --
-----------------------
procedure Find_Common_Types (Elts : Peripheral_Element_Vectors.Vector)
is
begin
-- Look for fields with similar types, to use a single type definition
-- in such situation
for J in Elts.First_Index .. Elts.Last_Index - 1 loop
if Elts (J).Kind = Register_Element
and then Elts (J).Reg.Type_Holder = null
then
for K in J + 1 .. Elts.Last_Index loop
if Elts (K).Kind = Register_Element then
if Equal (Elts (J).Reg, Elts (K).Reg) then
-- Simple case: two identical registers.
Elts (K).Reg.Type_Holder := Elts (J).Reg;
else
declare
Prefix : constant Unbounded_String :=
Similar_Type (Elts (J).Reg, Elts (K).Reg);
begin
if Length (Prefix) > 0 then
-- We have similar types, but with different names.
-- In such situation, it'd be nice to generate a
-- common type definition.
Elts (J).Reg.Type_Name := Prefix;
Elts (K).Reg.Type_Holder := Elts (J).Reg;
end if;
end;
end if;
end if;
end loop;
elsif Elts (J).Kind = Cluster_Element
and then Elts (J).Cluster.Type_Holder = null
then
for K in J + 1 .. Elts.Last_Index loop
if Elts (K).Kind = Cluster_Element then
if Equal (Elts (J).Cluster, Elts (K).Cluster) then
Elts (K).Cluster.Type_Holder := Elts (J).Cluster;
end if;
end if;
end loop;
end if;
end loop;
end Find_Common_Types;
---------------------------
-- Get_Discriminent_Type --
---------------------------
function Get_Discriminent_Type
(Reg_Set : Peripheral_Element_Vectors.Vector;
Spec : in out Ada_Gen.Ada_Spec;
Type_Name : String) return Ada_Type_Enum
is
Result : Ada_Type_Enum := New_Type_Enum (Id => Type_Name & "_Disc");
Values : String_List.Vector;
Val : Ada_Enum_Value;
begin
for Reg of Reg_Set loop
if Is_Overlapping (Reg)
and then not Values.Contains (To_String (Overlap_Suffix (Reg)))
then
Values.Append (To_String (Overlap_Suffix (Reg)));
end if;
end loop;
for S of Values loop
Val := Add_Enum_Id (Spec, Result, S);
declare
Actual : constant String := To_String (Id (Val));
begin
if Actual /= S then
for Reg of Reg_Set loop
if Is_Overlapping (Reg)
and then To_String (Overlap_Suffix (Reg)) = S
then
case Reg.Kind is
when Register_Element =>
Reg.Reg.Overlap_Suffix := Id (Val);
when Cluster_Element =>
Reg.Cluster.Overlap_Suffix := Id (Val);
end case;
end if;
end loop;
end if;
end;
end loop;
return Result;
end Get_Discriminent_Type;
------------------------------
-- Dump_Peripheral_Elements --
------------------------------
procedure Dump_Peripheral_Elements
(Parent : in out Ada_Type_Record'Class;
Elts : Peripheral_Element_Vectors.Vector)
is
function Dim (Elt : Peripheral_Element) return Positive
is (case Elt.Kind is
when Register_Element => Elt.Reg.Dim,
when Cluster_Element => Elt.Cluster.Dim);
function Get_Ada_Type (Elt : Peripheral_Element) return Ada_Type'Class
is (case Elt.Kind is
when Register_Element =>
Get_Ada_Type (Elt.Reg),
when Cluster_Element =>
Type_Holders.Element (Elt.Cluster.Ada_Type));
function Get_Name (Elt : Peripheral_Element) return String
is (case Elt.Kind is
when Register_Element => To_String (Elt.Reg.Name),
when Cluster_Element => To_String (Elt.Cluster.Name));
function Overlap_Suffix (Elt : Peripheral_Element) return String
is (case Elt.Kind is
when Register_Element => To_String (Elt.Reg.Overlap_Suffix),
when Cluster_Element => To_String (Elt.Cluster.Overlap_Suffix));
function Get_Description (Elt : Peripheral_Element) return String
is (case Elt.Kind is
when Register_Element => To_String (Elt.Reg.Description),
when Cluster_Element => To_String (Elt.Cluster.Description));
Properties : Field_Properties;
Is_Overlapping : Boolean;
Dim_Increment : Positive;
Elt_Size : Positive;
Address_Offset : Natural;
begin
for Elt of Elts loop
if Elt.Kind = Register_Element
and then Get_Ada_Type (Elt) in Ada_Type_Record'Class
then
Properties :=
(Is_Aliased => True,
Is_Volatile_FA => SVD2Ada_Utils.No_VFA_On_Reg_Types);
else
Properties :=
(Is_Aliased => True,
Is_Volatile_FA => False);
end if;
case Elt.Kind is
when Register_Element =>
Dim_Increment := Elt.Reg.Dim_Increment;
Is_Overlapping := Elt.Reg.Is_Overlapping;
Elt_Size := Elt.Reg.Reg_Properties.Size;
Address_Offset := Elt.Reg.Address_Offset;
when Cluster_Element =>
Dim_Increment := Elt.Cluster.Dim_Increment;
Is_Overlapping := Elt.Cluster.Is_Overlapping;
Elt_Size := Get_Size (Elt.Cluster.all);
Address_Offset := Elt.Cluster.Address_Offset;
end case;
if Dim (Elt) > 1 and then
Get_Ada_Type (Elt) not in Ada_Gen.Ada_Type_Array'Class
then
-- We need to unroll the array
for J in 0 .. Dim (Elt) - 1 loop
declare
Idx : constant String := J'Image;
Name : constant String :=
Get_Name (Elt) & '_' &
Idx (Idx'First + 1 .. Idx'Last);
begin
if Is_Overlapping then
Add_Field
(Ada_Type_Union (Parent),
Enum_Val => Overlap_Suffix (Elt),
Id => Name,
Typ => Get_Ada_Type (Elt),
Offset => Address_Offset + J * Dim_Increment,
LSB => 0,
MSB => Elt_Size - 1,
Properties => Properties,
Comment => Get_Description (Elt));
else
Add_Field
(Parent,
Id => Name,
Typ => Get_Ada_Type (Elt),
Offset => Address_Offset + J * Dim_Increment,
LSB => 0,
MSB => Elt_Size - 1,
Properties => Properties,
Comment => Get_Description (Elt));
end if;
end;
end loop;
else
if Is_Overlapping then
Add_Field
(Ada_Type_Union (Parent),
Enum_Val => Overlap_Suffix (Elt),
Id => Get_Name (Elt),
Typ => Get_Ada_Type (Elt),
Offset => Address_Offset,
LSB => 0,
MSB => (if Dim (Elt) = 1
then Elt_Size - 1
else Dim (Elt) * Dim_Increment * 8 - 1),
Properties => Properties,
Comment => Get_Description (Elt));
else
Add_Field
(Parent,
Id => Get_Name (Elt),
Typ => Get_Ada_Type (Elt),
Offset => Address_Offset,
LSB => 0,
MSB => (if Dim (Elt) = 1
then Elt_Size - 1
else Dim (Elt) * Dim_Increment * 8 - 1),
Properties => Properties,
Comment => Get_Description (Elt));
end if;
end if;
end loop;
end Dump_Peripheral_Elements;
-----------------------
-- Dump_Cluster_Type --
-----------------------
procedure Dump_Cluster_Type
(Spec : in out Ada_Gen.Ada_Spec;
Cluster : in out Cluster_T;
Type_Name : String)
is
function Create_Record return Ada_Type_Record'Class;
-------------------
-- Create_Record --
-------------------
function Create_Record return Ada_Type_Record'Class is
Found : Boolean;
begin
Process_Overlapping_Registers (Cluster.Content, Found);
if Found then
declare
Enum : Ada_Type_Enum :=
Get_Discriminent_Type (Cluster.Content,
Spec,
To_String (Cluster.Type_Name));
begin
Add (Spec, Enum);
return New_Type_Union
(Type_Name,
"Discriminent",
Enum,
To_String (Cluster.Description));
end;
else
-- No overlapping register: generate a simple record
return New_Type_Record
(Type_Name,
To_String (Cluster.Description));
end if;
end Create_Record;
Rec : Ada_Type_Record'Class := Create_Record;
begin
Add_Size_Aspect (Rec, Get_Size (Cluster));
Dump_Peripheral_Elements (Rec, Cluster.Content);
Add (Spec, Rec);
Cluster.Ada_Type := Type_Holders.To_Holder (Rec);
end Dump_Cluster_Type;
----------
-- Dump --
----------
procedure Dump
(Spec : in out Ada_Gen.Ada_Spec;
Cluster : Cluster_Access)
is
begin
if not Cluster.Content.Is_Empty then
Add
(Spec,
New_Comment_Box (To_String (Cluster.Type_Name) & " cluster's Registers"));
end if;
Find_Common_Types (Cluster.Content);
for Elt of Cluster.Content loop
case Elt.Kind is
when Register_Element =>
Dump (Spec, Elt.Reg);
when Cluster_Element =>
Dump (Spec, Elt.Cluster);
end case;
end loop;
Dump_Cluster_Type (Spec, Cluster.all, To_String (Cluster.Type_Name) & "_Cluster");
if Cluster.Dim > 1 then
declare
Array_T : Ada_Type_Array;
begin
Array_T :=
New_Type_Array
(Id => To_String (Cluster.Type_Name) & "_Clusters",
Index_Type => "",
Index_First => 0,
Index_Last => Cluster.Dim - 1,
Element_Type => -Cluster.Ada_Type,
Comment => To_String (Cluster.Description));
Add (Spec, Array_T);
Cluster.Ada_Type := -Array_T;
end;
end if;
end Dump;
-----------
-- Image --
-----------
function Image (N : Natural) return String is
S : constant String := N'Img;
begin
return S (S'First + 1 .. S'Last);
end Image;
-------------------
-- Computed_Name --
-------------------
function Computed_Name (Input : Cluster_T) return Unbounded_String
is
begin
if Input.Dim = 1 then
return Input.Xml_Id;
else
declare
Name : constant String := To_String (Input.Xml_Id);
Result : String (Name'Range);
Idx : Natural;
Skip : Boolean := False;
begin
Idx := Result'First - 1;
for J in Name'Range loop
if Skip then
Skip := False;
elsif Name (J) in '[' | ']' then
null;
elsif J < Name'Last and then Name (J .. J + 1) = "%s" then
-- Skip the next character (e.g. 's')
Skip := True;
else
Idx := Idx + 1;
Result (Idx) := Name (J);
end if;
end loop;
if Idx in Result'Range and then Result (Idx) = '_' then
Idx := Idx - 1;
end if;
return To_Unbounded_String (Result (Result'First .. Idx));
end;
end if;
end Computed_Name;
end Descriptors.Cluster;
|