aboutsummaryrefslogtreecommitdiffstats
path: root/src/vhdl/vhdl-elocations.adb
blob: b34e04a1e68d7306cbffec62270b7ee04be5ed02 (plain)
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
--  Extended locations for iir nodes
--  Copyright (C) 2017-2021 Tristan Gingold
--
--  This program is free software: you can redistribute it and/or modify
--  it under the terms of the GNU General Public License as published by
--  the Free Software Foundation, either version 2 of the License, or
--  (at your option) any later version.
--
--  This program is distributed in the hope that it will be useful,
--  but WITHOUT ANY WARRANTY; without even the implied warranty of
--  MERCHANTABILITY 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
--  along with this program.  If not, see <gnu.org/licenses>.

with Tables;
with Vhdl.Nodes_Priv;
with Vhdl.Elocations_Meta; use Vhdl.Elocations_Meta;

package body Vhdl.Elocations is

   --  Format of a node.
   type Format_Type is
     (
      Format_None,
      Format_L1,
      Format_L2,
      Format_L3,
      Format_L4,
      Format_L5,
      Format_L6
     );

   -- Common fields are:

   -- Fields of Format_None:

   -- Fields of Format_L1:
   --   Field1 : Location_Type

   -- Fields of Format_L2:
   --   Field1 : Location_Type
   --   Field2 : Location_Type

   -- Fields of Format_L3:
   --   Field1 : Location_Type
   --   Field2 : Location_Type
   --   Field3 : Location_Type

   -- Fields of Format_L4:
   --   Field1 : Location_Type
   --   Field2 : Location_Type
   --   Field3 : Location_Type
   --   Field4 : Location_Type

   -- Fields of Format_L5:
   --   Field1 : Location_Type
   --   Field2 : Location_Type
   --   Field3 : Location_Type
   --   Field4 : Location_Type
   --   Field5 : Location_Type

   -- Fields of Format_L6:
   --   Field1 : Location_Type
   --   Field2 : Location_Type
   --   Field3 : Location_Type
   --   Field4 : Location_Type
   --   Field5 : Location_Type
   --   Field6 : Location_Type

   function Get_Format (Kind : Iir_Kind) return Format_Type;

   type Location_Index_Type is new Types.Nat32;
   No_Location_Index : constant Location_Index_Type := 0;

   package Elocations_Index_Table is new Tables
     (Table_Component_Type => Location_Index_Type,
      Table_Index_Type => Iir,
      Table_Low_Bound => 2,
      Table_Initial => 1024);

   package Elocations_Table is new Tables
     (Table_Component_Type => Location_Type,
      Table_Index_Type => Location_Index_Type,
      Table_Low_Bound => 2,
      Table_Initial => 1024);

   procedure Create_Elocations (N : Iir)
   is
      use Vhdl.Nodes_Priv;
      Format : constant Format_Type := Get_Format (Get_Kind (N));
      El : constant Iir := Elocations_Index_Table.Last;
      Len : Location_Index_Type;
      Idx : Location_Index_Type;
   begin
      pragma Assert (Format /= Format_None);

      if El < N then
         Elocations_Index_Table.Set_Last (N);
         Elocations_Index_Table.Table (El + 1 .. N) :=
           (others => No_Location_Index);
      end if;

      --  Must be called once.
      pragma Assert (Elocations_Index_Table.Table (N) = No_Location_Index);

      case Format is
         when Format_None =>
            raise Program_Error;
         when Format_L1 =>
            Len := 1;
         when Format_L2 =>
            Len := 2;
         when Format_L3 =>
            Len := 3;
         when Format_L4 =>
            Len := 4;
         when Format_L5 =>
            Len := 5;
         when Format_L6 =>
            Len := 6;
      end case;

      Idx := Elocations_Table.Last + 1;
      Elocations_Index_Table.Table (N) := Idx;
      Elocations_Table.Set_Last (Idx + Len - 1);
      Elocations_Table.Table (Idx .. Idx + Len - 1) := (others => No_Location);
   end Create_Elocations;

   procedure Delete_Elocations (N : Iir)
   is
      use Vhdl.Nodes_Priv;
      Old : Location_Index_Type;
   begin
      --  Cannot delete an already deleted location.
      if N > Elocations_Index_Table.Last then
         return;
      end if;
      Old := Elocations_Index_Table.Table (N);
      if Old = No_Location_Index then
         return;
      end if;

      --  Clear the corresponding index.
      Elocations_Index_Table.Table (N) := No_Location_Index;

      --  FIXME: keep free slots in chained list ?
   end Delete_Elocations;

   procedure Free_Hook (N : Iir) is
   begin
      Delete_Elocations (N);
   end Free_Hook;

   generic
      Off : Location_Index_Type;
   function Get_FieldX (N : Iir) return Location_Type;

   generic
      Off : Location_Index_Type;
   procedure Set_FieldX (N : Iir; Loc : Location_Type);

   function Get_FieldX (N : Iir) return Location_Type
   is
      use Vhdl.Nodes_Priv;
      Idx : Location_Index_Type;
   begin
      pragma Assert (N <= Elocations_Index_Table.Last);
      Idx := Elocations_Index_Table.Table (N);
      return Elocations_Table.Table (Idx + Off - 1);
   end Get_FieldX;

   procedure Set_FieldX (N : Iir; Loc : Location_Type)
   is
      use Vhdl.Nodes_Priv;
      Idx : Location_Index_Type;
   begin
      pragma Assert (N <= Elocations_Index_Table.Last);
      Idx := Elocations_Index_Table.Table (N);
      Elocations_Table.Table (Idx + Off - 1) := Loc;
   end Set_FieldX;

   function Get_Field1 is new Get_FieldX (1);
   procedure Set_Field1 is new Set_FieldX (1);

   function Get_Field2 is new Get_FieldX (2);
   procedure Set_Field2 is new Set_FieldX (2);

   function Get_Field3 is new Get_FieldX (3);
   procedure Set_Field3 is new Set_FieldX (3);

   function Get_Field4 is new Get_FieldX (4);
   procedure Set_Field4 is new Set_FieldX (4);

   function Get_Field5 is new Get_FieldX (5);
   procedure Set_Field5 is new Set_FieldX (5);

   function Get_Field6 is new Get_FieldX (6);
   procedure Set_Field6 is new Set_FieldX (6);

   --  Subprograms
   function Get_Format (Kind : Iir_Kind) return Format_Type is
   begin
      case Kind is
         when Iir_Kind_Unused
           | Iir_Kind_Error
           | Iir_Kind_Design_File
           | Iir_Kind_Design_Unit
           | Iir_Kind_Use_Clause
           | Iir_Kind_Context_Reference
           | Iir_Kind_PSL_Inherit_Spec
           | Iir_Kind_Integer_Literal
           | Iir_Kind_Floating_Point_Literal
           | Iir_Kind_Null_Literal
           | Iir_Kind_String_Literal8
           | Iir_Kind_Physical_Int_Literal
           | Iir_Kind_Physical_Fp_Literal
           | Iir_Kind_Simple_Aggregate
           | Iir_Kind_Overflow_Literal
           | Iir_Kind_Unaffected_Waveform
           | Iir_Kind_Waveform_Element
           | Iir_Kind_Conditional_Waveform
           | Iir_Kind_Conditional_Expression
           | Iir_Kind_Choice_By_Range
           | Iir_Kind_Choice_By_Expression
           | Iir_Kind_Choice_By_Others
           | Iir_Kind_Choice_By_None
           | Iir_Kind_Choice_By_Name
           | Iir_Kind_Entity_Aspect_Entity
           | Iir_Kind_Entity_Aspect_Configuration
           | Iir_Kind_Entity_Aspect_Open
           | Iir_Kind_Psl_Hierarchical_Name
           | Iir_Kind_Block_Configuration
           | Iir_Kind_Component_Configuration
           | Iir_Kind_Binding_Indication
           | Iir_Kind_Entity_Class
           | Iir_Kind_Attribute_Value
           | Iir_Kind_Signature
           | Iir_Kind_Aggregate_Info
           | Iir_Kind_Procedure_Call
           | Iir_Kind_Record_Element_Constraint
           | Iir_Kind_Array_Element_Resolution
           | Iir_Kind_Record_Resolution
           | Iir_Kind_Record_Element_Resolution
           | Iir_Kind_Break_Element
           | Iir_Kind_Disconnection_Specification
           | Iir_Kind_Step_Limit_Specification
           | Iir_Kind_Configuration_Specification
           | Iir_Kind_Access_Type_Definition
           | Iir_Kind_Incomplete_Type_Definition
           | Iir_Kind_Interface_Type_Definition
           | Iir_Kind_File_Type_Definition
           | Iir_Kind_Array_Type_Definition
           | Iir_Kind_Array_Subtype_Definition
           | Iir_Kind_Record_Subtype_Definition
           | Iir_Kind_Access_Subtype_Definition
           | Iir_Kind_File_Subtype_Definition
           | Iir_Kind_Physical_Subtype_Definition
           | Iir_Kind_Floating_Subtype_Definition
           | Iir_Kind_Integer_Subtype_Definition
           | Iir_Kind_Enumeration_Subtype_Definition
           | Iir_Kind_Enumeration_Type_Definition
           | Iir_Kind_Integer_Type_Definition
           | Iir_Kind_Floating_Type_Definition
           | Iir_Kind_Physical_Type_Definition
           | Iir_Kind_Range_Expression
           | Iir_Kind_Wildcard_Type_Definition
           | Iir_Kind_Foreign_Vector_Type_Definition
           | Iir_Kind_Subtype_Definition
           | Iir_Kind_Scalar_Nature_Definition
           | Iir_Kind_Array_Nature_Definition
           | Iir_Kind_Array_Subnature_Definition
           | Iir_Kind_Overload_List
           | Iir_Kind_Foreign_Module
           | Iir_Kind_Vmode_Declaration
           | Iir_Kind_Vprop_Declaration
           | Iir_Kind_Vunit_Declaration
           | Iir_Kind_Nature_Declaration
           | Iir_Kind_Subnature_Declaration
           | Iir_Kind_Unit_Declaration
           | Iir_Kind_Library_Declaration
           | Iir_Kind_Element_Declaration
           | Iir_Kind_Nature_Element_Declaration
           | Iir_Kind_Non_Object_Alias_Declaration
           | Iir_Kind_Psl_Declaration
           | Iir_Kind_Psl_Boolean_Parameter
           | Iir_Kind_Psl_Endpoint_Declaration
           | Iir_Kind_Enumeration_Literal
           | Iir_Kind_Function_Instantiation_Declaration
           | Iir_Kind_Procedure_Instantiation_Declaration
           | Iir_Kind_Terminal_Declaration
           | Iir_Kind_Free_Quantity_Declaration
           | Iir_Kind_Spectrum_Quantity_Declaration
           | Iir_Kind_Noise_Quantity_Declaration
           | Iir_Kind_Across_Quantity_Declaration
           | Iir_Kind_Through_Quantity_Declaration
           | Iir_Kind_Guard_Signal_Declaration
           | Iir_Kind_Interface_Function_Declaration
           | Iir_Kind_Interface_Procedure_Declaration
           | Iir_Kind_Attribute_Implicit_Declaration
           | Iir_Kind_Suspend_State_Declaration
           | Iir_Kind_Identity_Operator
           | Iir_Kind_Negation_Operator
           | Iir_Kind_Absolute_Operator
           | Iir_Kind_Not_Operator
           | Iir_Kind_Implicit_Condition_Operator
           | Iir_Kind_Condition_Operator
           | Iir_Kind_Reduction_And_Operator
           | Iir_Kind_Reduction_Or_Operator
           | Iir_Kind_Reduction_Nand_Operator
           | Iir_Kind_Reduction_Nor_Operator
           | Iir_Kind_Reduction_Xor_Operator
           | Iir_Kind_Reduction_Xnor_Operator
           | Iir_Kind_And_Operator
           | Iir_Kind_Or_Operator
           | Iir_Kind_Nand_Operator
           | Iir_Kind_Nor_Operator
           | Iir_Kind_Xor_Operator
           | Iir_Kind_Xnor_Operator
           | Iir_Kind_Equality_Operator
           | Iir_Kind_Inequality_Operator
           | Iir_Kind_Less_Than_Operator
           | Iir_Kind_Less_Than_Or_Equal_Operator
           | Iir_Kind_Greater_Than_Operator
           | Iir_Kind_Greater_Than_Or_Equal_Operator
           | Iir_Kind_Match_Equality_Operator
           | Iir_Kind_Match_Inequality_Operator
           | Iir_Kind_Match_Less_Than_Operator
           | Iir_Kind_Match_Less_Than_Or_Equal_Operator
           | Iir_Kind_Match_Greater_Than_Operator
           | Iir_Kind_Match_Greater_Than_Or_Equal_Operator
           | Iir_Kind_Sll_Operator
           | Iir_Kind_Sla_Operator
           | Iir_Kind_Srl_Operator
           | Iir_Kind_Sra_Operator
           | Iir_Kind_Rol_Operator
           | Iir_Kind_Ror_Operator
           | Iir_Kind_Addition_Operator
           | Iir_Kind_Substraction_Operator
           | Iir_Kind_Concatenation_Operator
           | Iir_Kind_Multiplication_Operator
           | Iir_Kind_Division_Operator
           | Iir_Kind_Modulus_Operator
           | Iir_Kind_Remainder_Operator
           | Iir_Kind_Exponentiation_Operator
           | Iir_Kind_Function_Call
           | Iir_Kind_Aggregate
           | Iir_Kind_Qualified_Expression
           | Iir_Kind_Type_Conversion
           | Iir_Kind_Allocator_By_Expression
           | Iir_Kind_Allocator_By_Subtype
           | Iir_Kind_Selected_Element
           | Iir_Kind_Dereference
           | Iir_Kind_Implicit_Dereference
           | Iir_Kind_Slice_Name
           | Iir_Kind_Indexed_Name
           | Iir_Kind_Psl_Prev
           | Iir_Kind_Psl_Stable
           | Iir_Kind_Psl_Rose
           | Iir_Kind_Psl_Fell
           | Iir_Kind_Psl_Onehot
           | Iir_Kind_Psl_Onehot0
           | Iir_Kind_Psl_Expression
           | Iir_Kind_Concurrent_Assertion_Statement
           | Iir_Kind_Concurrent_Procedure_Call_Statement
           | Iir_Kind_Concurrent_Break_Statement
           | Iir_Kind_Psl_Assert_Directive
           | Iir_Kind_Psl_Assume_Directive
           | Iir_Kind_Psl_Cover_Directive
           | Iir_Kind_Psl_Restrict_Directive
           | Iir_Kind_Case_Generate_Statement
           | Iir_Kind_Psl_Default_Clock
           | Iir_Kind_Simple_Simultaneous_Statement
           | Iir_Kind_Simultaneous_Null_Statement
           | Iir_Kind_Simple_Signal_Assignment_Statement
           | Iir_Kind_Conditional_Signal_Assignment_Statement
           | Iir_Kind_Selected_Waveform_Assignment_Statement
           | Iir_Kind_Signal_Force_Assignment_Statement
           | Iir_Kind_Signal_Release_Assignment_Statement
           | Iir_Kind_Null_Statement
           | Iir_Kind_Assertion_Statement
           | Iir_Kind_Report_Statement
           | Iir_Kind_Wait_Statement
           | Iir_Kind_Variable_Assignment_Statement
           | Iir_Kind_Conditional_Variable_Assignment_Statement
           | Iir_Kind_Return_Statement
           | Iir_Kind_Next_Statement
           | Iir_Kind_Exit_Statement
           | Iir_Kind_Procedure_Call_Statement
           | Iir_Kind_Break_Statement
           | Iir_Kind_Suspend_State_Statement
           | Iir_Kind_Character_Literal
           | Iir_Kind_Simple_Name
           | Iir_Kind_Selected_Name
           | Iir_Kind_Operator_Symbol
           | Iir_Kind_Reference_Name
           | Iir_Kind_External_Constant_Name
           | Iir_Kind_External_Signal_Name
           | Iir_Kind_External_Variable_Name
           | Iir_Kind_Selected_By_All_Name
           | Iir_Kind_Parenthesis_Name
           | Iir_Kind_Package_Pathname
           | Iir_Kind_Absolute_Pathname
           | Iir_Kind_Relative_Pathname
           | Iir_Kind_Pathname_Element
           | Iir_Kind_Base_Attribute
           | Iir_Kind_Subtype_Attribute
           | Iir_Kind_Element_Attribute
           | Iir_Kind_Across_Attribute
           | Iir_Kind_Through_Attribute
           | Iir_Kind_Nature_Reference_Attribute
           | Iir_Kind_Left_Type_Attribute
           | Iir_Kind_Right_Type_Attribute
           | Iir_Kind_High_Type_Attribute
           | Iir_Kind_Low_Type_Attribute
           | Iir_Kind_Ascending_Type_Attribute
           | Iir_Kind_Image_Attribute
           | Iir_Kind_Value_Attribute
           | Iir_Kind_Pos_Attribute
           | Iir_Kind_Val_Attribute
           | Iir_Kind_Succ_Attribute
           | Iir_Kind_Pred_Attribute
           | Iir_Kind_Leftof_Attribute
           | Iir_Kind_Rightof_Attribute
           | Iir_Kind_Signal_Slew_Attribute
           | Iir_Kind_Quantity_Slew_Attribute
           | Iir_Kind_Ramp_Attribute
           | Iir_Kind_Zoh_Attribute
           | Iir_Kind_Ltf_Attribute
           | Iir_Kind_Ztf_Attribute
           | Iir_Kind_Dot_Attribute
           | Iir_Kind_Integ_Attribute
           | Iir_Kind_Quantity_Delayed_Attribute
           | Iir_Kind_Above_Attribute
           | Iir_Kind_Delayed_Attribute
           | Iir_Kind_Stable_Attribute
           | Iir_Kind_Quiet_Attribute
           | Iir_Kind_Transaction_Attribute
           | Iir_Kind_Event_Attribute
           | Iir_Kind_Active_Attribute
           | Iir_Kind_Last_Event_Attribute
           | Iir_Kind_Last_Active_Attribute
           | Iir_Kind_Last_Value_Attribute
           | Iir_Kind_Driving_Attribute
           | Iir_Kind_Driving_Value_Attribute
           | Iir_Kind_Behavior_Attribute
           | Iir_Kind_Structure_Attribute
           | Iir_Kind_Simple_Name_Attribute
           | Iir_Kind_Instance_Name_Attribute
           | Iir_Kind_Path_Name_Attribute
           | Iir_Kind_Left_Array_Attribute
           | Iir_Kind_Right_Array_Attribute
           | Iir_Kind_High_Array_Attribute
           | Iir_Kind_Low_Array_Attribute
           | Iir_Kind_Length_Array_Attribute
           | Iir_Kind_Ascending_Array_Attribute
           | Iir_Kind_Range_Array_Attribute
           | Iir_Kind_Reverse_Range_Array_Attribute
           | Iir_Kind_Attribute_Name =>
            return Format_None;
         when Iir_Kind_Library_Clause
           | Iir_Kind_Association_Element_By_Expression
           | Iir_Kind_Association_Element_By_Name
           | Iir_Kind_Association_Element_By_Individual
           | Iir_Kind_Association_Element_Open
           | Iir_Kind_Association_Element_Package
           | Iir_Kind_Association_Element_Type
           | Iir_Kind_Association_Element_Subprogram
           | Iir_Kind_Association_Element_Terminal
           | Iir_Kind_Attribute_Specification
           | Iir_Kind_Anonymous_Type_Declaration
           | Iir_Kind_Attribute_Declaration
           | Iir_Kind_Group_Template_Declaration
           | Iir_Kind_Group_Declaration
           | Iir_Kind_Function_Declaration
           | Iir_Kind_Procedure_Declaration
           | Iir_Kind_Object_Alias_Declaration
           | Iir_Kind_File_Declaration
           | Iir_Kind_Signal_Declaration
           | Iir_Kind_Variable_Declaration
           | Iir_Kind_Constant_Declaration
           | Iir_Kind_Iterator_Declaration
           | Iir_Kind_Interface_Terminal_Declaration
           | Iir_Kind_Interface_Type_Declaration
           | Iir_Kind_Interface_Package_Declaration
           | Iir_Kind_Parenthesis_Expression
           | Iir_Kind_Concurrent_Simple_Signal_Assignment
           | Iir_Kind_Concurrent_Conditional_Signal_Assignment
           | Iir_Kind_Concurrent_Selected_Signal_Assignment =>
            return Format_L1;
         when Iir_Kind_Protected_Type_Declaration
           | Iir_Kind_Record_Type_Definition
           | Iir_Kind_Protected_Type_Body
           | Iir_Kind_Record_Nature_Definition
           | Iir_Kind_Configuration_Declaration
           | Iir_Kind_Context_Declaration
           | Iir_Kind_Package_Declaration
           | Iir_Kind_Package_Body
           | Iir_Kind_Simultaneous_Case_Statement
           | Iir_Kind_Case_Statement =>
            return Format_L2;
         when Iir_Kind_Package_Instantiation_Declaration
           | Iir_Kind_Interface_Constant_Declaration
           | Iir_Kind_Interface_Variable_Declaration
           | Iir_Kind_Interface_Signal_Declaration
           | Iir_Kind_Interface_File_Declaration
           | Iir_Kind_Interface_Quantity_Declaration
           | Iir_Kind_If_Generate_Statement
           | Iir_Kind_For_Generate_Statement
           | Iir_Kind_Component_Instantiation_Statement
           | Iir_Kind_Generate_Statement_Body
           | Iir_Kind_If_Generate_Else_Clause
           | Iir_Kind_Simultaneous_If_Statement
           | Iir_Kind_Simultaneous_Elsif
           | Iir_Kind_For_Loop_Statement
           | Iir_Kind_While_Loop_Statement
           | Iir_Kind_If_Statement
           | Iir_Kind_Elsif =>
            return Format_L3;
         when Iir_Kind_Architecture_Body
           | Iir_Kind_Type_Declaration
           | Iir_Kind_Subtype_Declaration
           | Iir_Kind_Function_Body
           | Iir_Kind_Procedure_Body
           | Iir_Kind_Sensitized_Process_Statement
           | Iir_Kind_Process_Statement
           | Iir_Kind_Block_Statement
           | Iir_Kind_Simultaneous_Procedural_Statement =>
            return Format_L4;
         when Iir_Kind_Package_Header =>
            return Format_L5;
         when Iir_Kind_Block_Header
           | Iir_Kind_Entity_Declaration
           | Iir_Kind_Component_Declaration =>
            return Format_L6;
      end case;
   end Get_Format;

   function Get_Start_Location (N : Iir) return Location_Type is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Start_Location (Get_Kind (N)),
                     "no field Start_Location");
      return Get_Field1 (N);
   end Get_Start_Location;

   procedure Set_Start_Location (N : Iir; Loc : Location_Type) is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Start_Location (Get_Kind (N)),
                     "no field Start_Location");
      Set_Field1 (N, Loc);
   end Set_Start_Location;

   function Get_Right_Paren_Location (N : Iir) return Location_Type is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Right_Paren_Location (Get_Kind (N)),
                     "no field Right_Paren_Location");
      return Get_Field1 (N);
   end Get_Right_Paren_Location;

   procedure Set_Right_Paren_Location (N : Iir; Loc : Location_Type) is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Right_Paren_Location (Get_Kind (N)),
                     "no field Right_Paren_Location");
      Set_Field1 (N, Loc);
   end Set_Right_Paren_Location;

   function Get_End_Location (N : Iir) return Location_Type is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_End_Location (Get_Kind (N)),
                     "no field End_Location");
      return Get_Field2 (N);
   end Get_End_Location;

   procedure Set_End_Location (N : Iir; Loc : Location_Type) is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_End_Location (Get_Kind (N)),
                     "no field End_Location");
      Set_Field2 (N, Loc);
   end Set_End_Location;

   function Get_Is_Location (N : Iir) return Location_Type is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Is_Location (Get_Kind (N)),
                     "no field Is_Location");
      return Get_Field4 (N);
   end Get_Is_Location;

   procedure Set_Is_Location (N : Iir; Loc : Location_Type) is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Is_Location (Get_Kind (N)),
                     "no field Is_Location");
      Set_Field4 (N, Loc);
   end Set_Is_Location;

   function Get_Begin_Location (N : Iir) return Location_Type is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Begin_Location (Get_Kind (N)),
                     "no field Begin_Location");
      return Get_Field3 (N);
   end Get_Begin_Location;

   procedure Set_Begin_Location (N : Iir; Loc : Location_Type) is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Begin_Location (Get_Kind (N)),
                     "no field Begin_Location");
      Set_Field3 (N, Loc);
   end Set_Begin_Location;

   function Get_Then_Location (N : Iir) return Location_Type is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Then_Location (Get_Kind (N)),
                     "no field Then_Location");
      return Get_Field3 (N);
   end Get_Then_Location;

   procedure Set_Then_Location (N : Iir; Loc : Location_Type) is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Then_Location (Get_Kind (N)),
                     "no field Then_Location");
      Set_Field3 (N, Loc);
   end Set_Then_Location;

   function Get_Use_Location (N : Iir) return Location_Type is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Use_Location (Get_Kind (N)),
                     "no field Use_Location");
      return Get_Field3 (N);
   end Get_Use_Location;

   procedure Set_Use_Location (N : Iir; Loc : Location_Type) is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Use_Location (Get_Kind (N)),
                     "no field Use_Location");
      Set_Field3 (N, Loc);
   end Set_Use_Location;

   function Get_Loop_Location (N : Iir) return Location_Type is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Loop_Location (Get_Kind (N)),
                     "no field Loop_Location");
      return Get_Field3 (N);
   end Get_Loop_Location;

   procedure Set_Loop_Location (N : Iir; Loc : Location_Type) is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Loop_Location (Get_Kind (N)),
                     "no field Loop_Location");
      Set_Field3 (N, Loc);
   end Set_Loop_Location;

   function Get_Generate_Location (N : Iir) return Location_Type is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Generate_Location (Get_Kind (N)),
                     "no field Generate_Location");
      return Get_Field3 (N);
   end Get_Generate_Location;

   procedure Set_Generate_Location (N : Iir; Loc : Location_Type) is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Generate_Location (Get_Kind (N)),
                     "no field Generate_Location");
      Set_Field3 (N, Loc);
   end Set_Generate_Location;

   function Get_Generic_Location (N : Iir) return Location_Type is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Generic_Location (Get_Kind (N)),
                     "no field Generic_Location");
      return Get_Field5 (N);
   end Get_Generic_Location;

   procedure Set_Generic_Location (N : Iir; Loc : Location_Type) is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Generic_Location (Get_Kind (N)),
                     "no field Generic_Location");
      Set_Field5 (N, Loc);
   end Set_Generic_Location;

   function Get_Port_Location (N : Iir) return Location_Type is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Port_Location (Get_Kind (N)),
                     "no field Port_Location");
      return Get_Field6 (N);
   end Get_Port_Location;

   procedure Set_Port_Location (N : Iir; Loc : Location_Type) is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Port_Location (Get_Kind (N)),
                     "no field Port_Location");
      Set_Field6 (N, Loc);
   end Set_Port_Location;

   function Get_Generic_Map_Location (N : Iir) return Location_Type is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Generic_Map_Location (Get_Kind (N)),
                     "no field Generic_Map_Location");
      return Get_Field3 (N);
   end Get_Generic_Map_Location;

   procedure Set_Generic_Map_Location (N : Iir; Loc : Location_Type) is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Generic_Map_Location (Get_Kind (N)),
                     "no field Generic_Map_Location");
      Set_Field3 (N, Loc);
   end Set_Generic_Map_Location;

   function Get_Port_Map_Location (N : Iir) return Location_Type is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Port_Map_Location (Get_Kind (N)),
                     "no field Port_Map_Location");
      return Get_Field2 (N);
   end Get_Port_Map_Location;

   procedure Set_Port_Map_Location (N : Iir; Loc : Location_Type) is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Port_Map_Location (Get_Kind (N)),
                     "no field Port_Map_Location");
      Set_Field2 (N, Loc);
   end Set_Port_Map_Location;

   function Get_Arrow_Location (N : Iir) return Location_Type is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Arrow_Location (Get_Kind (N)),
                     "no field Arrow_Location");
      return Get_Field1 (N);
   end Get_Arrow_Location;

   procedure Set_Arrow_Location (N : Iir; Loc : Location_Type) is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Arrow_Location (Get_Kind (N)),
                     "no field Arrow_Location");
      Set_Field1 (N, Loc);
   end Set_Arrow_Location;

   function Get_Colon_Location (N : Iir) return Location_Type is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Colon_Location (Get_Kind (N)),
                     "no field Colon_Location");
      return Get_Field2 (N);
   end Get_Colon_Location;

   procedure Set_Colon_Location (N : Iir; Loc : Location_Type) is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Colon_Location (Get_Kind (N)),
                     "no field Colon_Location");
      Set_Field2 (N, Loc);
   end Set_Colon_Location;

   function Get_Assign_Location (N : Iir) return Location_Type is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Assign_Location (Get_Kind (N)),
                     "no field Assign_Location");
      return Get_Field3 (N);
   end Get_Assign_Location;

   procedure Set_Assign_Location (N : Iir; Loc : Location_Type) is
   begin
      pragma Assert (N /= Null_Iir);
      pragma Assert (Has_Assign_Location (Get_Kind (N)),
                     "no field Assign_Location");
      Set_Field3 (N, Loc);
   end Set_Assign_Location;


begin
   Vhdl.Nodes.Register_Free_Hook (Free_Hook'Access);
end Vhdl.Elocations;