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
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
|
-- Iir to ortho translator.
-- Copyright (C) 2002 - 2014 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 Vhdl.Errors; use Vhdl.Errors;
with Files_Map;
with Vhdl.Utils; use Vhdl.Utils;
with Vhdl.Std_Package; use Vhdl.Std_Package;
with Vhdl.Canon;
with Translation; use Translation;
with Trans.Chap2;
with Trans.Chap3;
with Trans.Chap5;
with Trans.Chap6;
with Trans.Chap7;
with Trans.Chap8;
with Trans.Chap9;
with Trans.Chap14;
with Trans.Rtis;
with Trans.Helpers2; use Trans.Helpers2;
with Trans_Decls; use Trans_Decls;
with Trans.Foreach_Non_Composite;
package body Trans.Chap4 is
use Trans.Helpers;
-- Get the ortho type for an object of mode MODE.
function Get_Object_Type (Tinfo : Type_Info_Acc; Kind : Object_Kind_Type)
return O_Tnode is
begin
case Tinfo.Type_Mode is
when Type_Mode_Complex_Record
| Type_Mode_Complex_Array
| Type_Mode_Protected =>
-- For a complex type, use a pointer.
return Tinfo.Ortho_Ptr_Type (Kind);
when others =>
return Tinfo.Ortho_Type (Kind);
end case;
end Get_Object_Type;
-- Return the pointer type for Tinfo.
-- For a fat array, this is the fat pointer to slightly optimize accesses.
function Get_Object_Ptr_Type
(Tinfo : Type_Info_Acc; Kind : Object_Kind_Type) return O_Tnode is
begin
if Tinfo.Type_Mode in Type_Mode_Unbounded then
-- Fat pointers are already pointers, no need to create an
-- additional indirection.
return Tinfo.Ortho_Type (Kind);
else
if Kind = Mode_Signal
and then Tinfo.Type_Mode in Type_Mode_Scalar
then
-- A scalar signal is already a pointer.
return Tinfo.Ortho_Type (Kind);
else
return Tinfo.Ortho_Ptr_Type (Kind);
end if;
end if;
end Get_Object_Ptr_Type;
function Lop2M
(Obj_Ptr : O_Lnode; Tinfo : Type_Info_Acc; Mode : Object_Kind_Type)
return Mnode is
begin
if (Mode = Mode_Signal
and then Tinfo.Type_Mode in Type_Mode_Scalar)
or else Tinfo.Type_Mode in Type_Mode_Unbounded
then
return Lv2M (Obj_Ptr, Tinfo, Mode);
else
return Lp2M (Obj_Ptr, Tinfo, Mode);
end if;
end Lop2M;
procedure Assign_Obj_Ptr (Dest : Mnode; Src : Mnode)
is
Mode : constant Object_Kind_Type := Get_Object_Kind (Dest);
Tinfo : constant Type_Info_Acc := Get_Type_Info (Dest);
begin
pragma Assert (Mode = Get_Object_Kind (Src));
pragma Assert (Tinfo.Type_Mode = Get_Type_Info (Src).Type_Mode);
if Tinfo.Type_Mode in Type_Mode_Unbounded then
Copy_Fat_Pointer (Stabilize (Dest), Stabilize (Src));
else
if Mode = Mode_Signal
and then Tinfo.Type_Mode in Type_Mode_Scalar
then
New_Assign_Stmt (M2Lv (Dest), M2E (Src));
else
New_Assign_Stmt (M2Lp (Dest), M2Addr (Src));
end if;
end if;
end Assign_Obj_Ptr;
procedure Create_Object (El : Iir)
is
Obj_Type : O_Tnode;
Info : Object_Info_Acc;
Tinfo : Type_Info_Acc;
Def : Iir;
Val : constant Iir := Get_Default_Value (El);
Storage : O_Storage;
Deferred : Iir;
begin
-- Be sure the object type was translated.
if Get_Kind (El) = Iir_Kind_Constant_Declaration
and then Get_Deferred_Declaration_Flag (El) = False
and then Get_Deferred_Declaration (El) /= Null_Iir
then
-- This is a full constant declaration which completes a previous
-- incomplete constant declaration.
--
-- Do not create the subtype of this full constant declaration,
-- since it was already created by the deferred declaration.
-- Use the type of the deferred declaration.
Deferred := Get_Deferred_Declaration (El);
Def := Get_Type (Deferred);
Info := Get_Info (Deferred);
Set_Info (El, Info);
else
Chap3.Translate_Object_Subtype_Indication (El);
Info := Add_Info (El, Kind_Object);
Def := Get_Type (El);
end if;
Tinfo := Get_Info (Def);
Obj_Type := Get_Object_Type (Tinfo, Mode_Value);
case Get_Kind (El) is
when Iir_Kind_Variable_Declaration
| Iir_Kind_Interface_Constant_Declaration =>
Info.Object_Var :=
Create_Var (Create_Var_Identifier (El), Obj_Type);
when Iir_Kind_Constant_Declaration =>
if Get_Deferred_Declaration (El) /= Null_Iir then
-- This is a full constant declaration (in a body) of a
-- deferred constant declaration (in a package).
Storage := O_Storage_Public;
else
Storage := Global_Storage;
end if;
if Info.Object_Var = Null_Var then
-- Not a full constant declaration (ie a value for an
-- already declared constant).
-- Must create the declaration.
if Chap7.Is_Static_Constant (El) then
Info.Object_Static := True;
Info.Object_Var := Create_Global_Const
(Create_Identifier (El), Obj_Type, Global_Storage,
O_Cnode_Null);
else
Info.Object_Static := False;
Info.Object_Var := Create_Var
(Create_Var_Identifier (El), Obj_Type, Global_Storage);
end if;
end if;
if Get_Deferred_Declaration (El) = Null_Iir
and then Info.Object_Static
and then Storage /= O_Storage_External
then
-- Deferred constant are never considered as locally static.
-- FIXME: to be improved ?
-- open_temp/close_temp only required for transient types.
Open_Temp;
Define_Global_Const
(Info.Object_Var,
Chap7.Translate_Static_Expression (Val, Def));
Close_Temp;
end if;
when others =>
Error_Kind ("create_objet", El);
end case;
end Create_Object;
procedure Create_Signal (Decl : Iir)
is
Sig_Type_Def : constant Iir := Get_Type (Decl);
Type_Info : Type_Info_Acc;
Info : Signal_Info_Acc;
begin
Chap3.Translate_Object_Subtype_Indication (Decl);
Type_Info := Get_Info (Sig_Type_Def);
Info := Add_Info (Decl, Kind_Signal);
Info.Signal_Sig := Create_Var
(Create_Var_Identifier (Decl, "_SIG", 0),
Get_Object_Type (Type_Info, Mode_Signal));
if Get_Kind (Decl) = Iir_Kind_Interface_Signal_Declaration then
-- For interfaces, create a pointer so that there is no need to
-- update a copy if the association is collapsed.
Info.Signal_Valp := Create_Var
(Create_Var_Identifier (Decl, "_VALP", 0),
Get_Object_Ptr_Type (Type_Info, Mode_Value));
if Get_Default_Value (Decl) /= Null_Iir then
-- Default value for ports.
Info.Signal_Val := Create_Var
(Create_Var_Identifier (Decl, "_INIT", 0),
Get_Object_Type (Type_Info, Mode_Value));
end if;
else
Info.Signal_Val := Create_Var
(Create_Var_Identifier (Decl, "_VAL", 0),
Get_Object_Type (Type_Info, Mode_Value));
end if;
case Get_Kind (Decl) is
when Iir_Kind_Signal_Declaration
| Iir_Kind_Interface_Signal_Declaration =>
Rtis.Generate_Signal_Rti (Decl);
when Iir_Kind_Guard_Signal_Declaration =>
-- No name created for guard signal.
null;
when others =>
Error_Kind ("create_signal", Decl);
end case;
end Create_Signal;
procedure Create_Implicit_Signal (Decl : Iir)
is
Sig_Type_Def : constant Iir := Get_Type (Decl);
Type_Info : constant Type_Info_Acc := Get_Info (Sig_Type_Def);
Info : Signal_Info_Acc;
begin
-- The type of DECL is already known: either bit, or boolean or the
-- type of the prefix.
Info := Add_Info (Decl, Kind_Signal);
Info.Signal_Sig := Create_Var
(Create_Uniq_Identifier,
Get_Object_Type (Type_Info, Mode_Signal));
Info.Signal_Val := Create_Var
(Create_Uniq_Identifier,
Get_Object_Type (Type_Info, Mode_Value));
end Create_Implicit_Signal;
procedure Create_File_Object (El : Iir_File_Declaration)
is
Obj_Type_Def : constant Iir := Get_Type (El);
Obj_Type : constant O_Tnode :=
Get_Ortho_Type (Obj_Type_Def, Mode_Value);
Info : Ortho_Info_Acc;
begin
Info := Add_Info (El, Kind_Object);
Info.Object_Var := Create_Var (Create_Var_Identifier (El), Obj_Type);
end Create_File_Object;
procedure Create_Package_Interface (Inter : Iir)
is
Pkg : constant Iir := Get_Uninstantiated_Package_Decl (Inter);
Pkg_Info : constant Ortho_Info_Acc := Get_Info (Pkg);
Info : Ortho_Info_Acc;
begin
Info := Add_Info (Inter, Kind_Package_Instance);
-- The spec
Info.Package_Instance_Spec_Var :=
Create_Var (Create_Var_Identifier (Inter, "SPEC", 0),
Pkg_Info.Package_Spec_Ptr_Type);
Set_Scope_Via_Var_Ptr
(Info.Package_Instance_Spec_Scope,
Info.Package_Instance_Spec_Var);
-- The body
Info.Package_Instance_Body_Var :=
Create_Var (Create_Var_Identifier (Inter, "BODY", 0),
Pkg_Info.Package_Body_Ptr_Type);
Set_Scope_Via_Var_Ptr
(Info.Package_Instance_Body_Scope,
Info.Package_Instance_Body_Var);
Chap2.Instantiate_Info_Package (Inter);
end Create_Package_Interface;
procedure Allocate_Complex_Object (Obj_Type : Iir;
Alloc_Kind : Allocation_Kind;
Var : in out Mnode)
is
Type_Info : constant Type_Info_Acc := Get_Type_Info (Var);
Kind : constant Object_Kind_Type := Get_Object_Kind (Var);
begin
-- Cannot allocate unconstrained object (since size is unknown).
pragma Assert (Type_Info.Type_Mode not in Type_Mode_Unbounded);
if not Is_Complex_Type (Type_Info) then
-- Object is not complex.
return;
end if;
-- Allocate variable.
New_Assign_Stmt
(M2Lp (Var),
Gen_Alloc (Alloc_Kind,
Chap3.Get_Subtype_Size (Obj_Type, Mnode_Null, Kind),
Type_Info.Ortho_Ptr_Type (Kind)));
end Allocate_Complex_Object;
-- Note : OBJ can be a tree.
-- FIXME: should use translate_aggregate_others.
procedure Init_Array_Object (Obj : Mnode; Obj_Type : Iir)
is
-- Type of the object.
Type_Info : constant Type_Info_Acc := Get_Info (Obj_Type);
Sobj : Mnode;
-- Iterator for the elements.
Index : O_Dnode;
Upper_Limit : O_Enode;
Upper_Var : O_Dnode;
Label : O_Snode;
begin
-- Iterate on all elements of the object.
Open_Temp;
if Type_Info.Type_Mode = Type_Mode_Unbounded_Array then
Sobj := Stabilize (Obj);
else
Sobj := Obj;
end if;
Upper_Limit := Chap3.Get_Array_Length (Sobj, Obj_Type);
if Type_Info.Type_Mode = Type_Mode_Static_Array then
Upper_Var := O_Dnode_Null;
else
-- Hoist the computation of the limit before the loop.
Upper_Var := Create_Temp_Init (Ghdl_Index_Type, Upper_Limit);
end if;
Index := Create_Temp (Ghdl_Index_Type);
Init_Var (Index);
Start_Loop_Stmt (Label);
if Upper_Var /= O_Dnode_Null then
Upper_Limit := New_Obj_Value (Upper_Var);
end if;
Gen_Exit_When (Label,
New_Compare_Op (ON_Eq,
New_Obj_Value (Index), Upper_Limit,
Ghdl_Bool_Type));
Init_Object
(Chap6.Translate_Indexed_Name_By_Offset (Sobj, Obj_Type, Index),
Get_Element_Subtype (Obj_Type));
Inc_Var (Index);
Finish_Loop_Stmt (Label);
Close_Temp;
end Init_Array_Object;
procedure Init_Protected_Object (Obj : Mnode; Obj_Type : Iir)
is
Info : constant Type_Info_Acc := Get_Info (Obj_Type);
Assoc : O_Assoc_List;
begin
-- Call the initializer.
Start_Association (Assoc, Info.B.Prot_Init_Subprg);
Subprgs.Add_Subprg_Instance_Assoc (Assoc, Info.B.Prot_Init_Instance);
-- Use of M2Lp is a little bit fragile (not sure we get the
-- variable, but should work: we didn't stabilize it).
New_Assign_Stmt (M2Lp (Obj), New_Function_Call (Assoc));
end Init_Protected_Object;
procedure Fini_Protected_Object (Decl : Iir)
is
Info : constant Type_Info_Acc := Get_Info (Get_Type (Decl));
Obj : Mnode;
Assoc : O_Assoc_List;
begin
Obj := Chap6.Translate_Name (Decl, Mode_Value);
-- Call the Finalizator.
Start_Association (Assoc, Info.B.Prot_Final_Subprg);
New_Association (Assoc, M2E (Obj));
New_Procedure_Call (Assoc);
end Fini_Protected_Object;
function Get_Scalar_Initial_Value (Atype : Iir) return O_Enode
is
Tinfo : constant Type_Info_Acc := Get_Info (Atype);
begin
case Tinfo.Type_Mode is
when Type_Mode_Scalar =>
return Chap14.Translate_Left_Type_Attribute (Atype);
when Type_Mode_Acc
| Type_Mode_Bounds_Acc =>
return New_Lit (New_Null_Access (Tinfo.Ortho_Type (Mode_Value)));
when others =>
Error_Kind ("get_scalar_initial_value", Atype);
end case;
end Get_Scalar_Initial_Value;
procedure Init_Object (Obj : Mnode; Obj_Type : Iir)
is
Tinfo : constant Type_Info_Acc := Get_Type_Info (Obj);
begin
case Tinfo.Type_Mode is
when Type_Mode_Scalar
| Type_Mode_Acc
| Type_Mode_Bounds_Acc =>
New_Assign_Stmt (M2Lv (Obj), Get_Scalar_Initial_Value (Obj_Type));
when Type_Mode_Arrays =>
Init_Array_Object (Obj, Obj_Type);
when Type_Mode_Records =>
declare
List : constant Iir_Flist :=
Get_Elements_Declaration_List (Obj_Type);
Sobj : Mnode;
El : Iir_Element_Declaration;
begin
Open_Temp;
Sobj := Stabilize (Obj);
for I in Flist_First .. Flist_Last (List) loop
El := Get_Nth_Element (List, I);
Init_Object (Chap6.Translate_Selected_Element (Sobj, El),
Get_Type (El));
end loop;
Close_Temp;
end;
when Type_Mode_Protected =>
Init_Protected_Object (Obj, Obj_Type);
when Type_Mode_Unknown
| Type_Mode_File =>
raise Internal_Error;
end case;
end Init_Object;
-- Return True iff subtype indication of DECL is a subtype attribute.
function Is_Object_Subtype_Attribute (Decl : Iir) return Boolean
is
Ind : constant Iir := Get_Subtype_Indication (Decl);
begin
return Ind /= Null_Iir
and then Get_Kind (Ind) = Iir_Kind_Subtype_Attribute;
end Is_Object_Subtype_Attribute;
procedure Elab_Subtype_Attribute
(Decl : Iir; Name_Val : Mnode; Name_Sig : Mnode)
is
Ind : constant Iir := Get_Subtype_Indication (Decl);
Name : Mnode;
Bnd : Mnode;
begin
Name := Chap6.Translate_Name (Get_Prefix (Ind), Mode_Value);
Bnd := Chap3.Get_Composite_Bounds (Name);
if Name_Sig /= Mnode_Null then
Stabilize (Bnd);
New_Assign_Stmt (M2Lp (Chap3.Get_Composite_Bounds (Name_Sig)),
M2Addr (Bnd));
end if;
New_Assign_Stmt (M2Lp (Chap3.Get_Composite_Bounds (Name_Val)),
M2Addr (Bnd));
end Elab_Subtype_Attribute;
procedure Elab_Maybe_Subtype_Attribute
(Decl : Iir; Name_Val : Mnode; Name_Sig : Mnode) is
begin
if not Is_Object_Subtype_Attribute (Decl) then
return;
end if;
Elab_Subtype_Attribute (Decl, Name_Val, Name_Sig);
end Elab_Maybe_Subtype_Attribute;
-- If SIZE is larger than the threshold, call __ghdl_check_stack_allocation
-- to raise an error if the size is too large. There are two threshold:
-- one set at compile time (Check_Stack_Allocation_Threshold) and one set
-- at run-time.
--
-- Right now, this function is called only for allocation of a complex
-- object on the stack (constant or variable). But there are more sources
-- of stack allocation (temporary aggregate, unbounded objects, individual
-- assocs...)
function Maybe_Check_Stack_Allocation (Size : O_Enode) return O_Enode
is
Val : O_Dnode;
If_Blk : O_If_Block;
Assoc : O_Assoc_List;
begin
if Flag_Check_Stack_Allocation = 0 then
return Size;
end if;
Val := Create_Temp_Init (Ghdl_Index_Type, Size);
Start_If_Stmt
(If_Blk,
New_Compare_Op (ON_Ge,
New_Obj_Value (Val),
New_Lit (Check_Stack_Allocation_Threshold),
Ghdl_Bool_Type));
Start_Association (Assoc, Ghdl_Check_Stack_Allocation);
New_Association (Assoc, New_Obj_Value (Val));
New_Procedure_Call (Assoc);
Finish_If_Stmt (If_Blk);
return New_Obj_Value (Val);
end Maybe_Check_Stack_Allocation;
procedure Elab_Object_Storage (Obj : Iir)
is
Obj_Type : constant Iir := Get_Type (Obj);
Obj_Info : constant Object_Info_Acc := Get_Info (Obj);
Name_Node : Mnode;
Type_Info : Type_Info_Acc;
Alloc_Kind : Allocation_Kind;
Size : O_Enode;
begin
-- Elaborate subtype.
case Get_Kind (Obj) is
when Iir_Kind_Attribute_Value =>
null;
when others =>
if Is_Object_Subtype_Attribute (Obj) then
Type_Info := Get_Info (Obj_Type);
if Type_Info.Type_Mode in Type_Mode_Unbounded then
-- Copy bounds and allocate base.
Name_Node :=
Get_Var (Obj_Info.Object_Var, Type_Info, Mode_Value);
Stabilize (Name_Node);
Elab_Maybe_Subtype_Attribute (Obj, Name_Node, Mnode_Null);
Alloc_Kind := Get_Alloc_Kind_For_Var (Obj_Info.Object_Var);
Chap3.Allocate_Unbounded_Composite_Base
(Alloc_Kind, Name_Node, Get_Base_Type (Obj_Type));
return;
end if;
else
Chap3.Elab_Object_Subtype_Indication (Obj);
end if;
end case;
-- Now the subtype is elaborated, its info is defined.
Type_Info := Get_Info (Obj_Type);
-- FIXME: the object type may be a fat array!
-- FIXME: fat array + aggregate ?
if Type_Info.Type_Mode = Type_Mode_Protected then
-- Protected object will be created by its INIT function.
null;
elsif Is_Unbounded_Type (Type_Info) then
-- Allocated during initialization.
null;
elsif Is_Complex_Type (Type_Info) then
-- FIXME: avoid allocation if the value is a string and
-- the object is a constant
Name_Node := Get_Var (Obj_Info.Object_Var, Type_Info, Mode_Value);
Alloc_Kind := Get_Alloc_Kind_For_Var (Obj_Info.Object_Var);
Size := Chap3.Get_Subtype_Size (Obj_Type, Mnode_Null, Mode_Value);
if Alloc_Kind = Alloc_Stack then
Size := Maybe_Check_Stack_Allocation (Size);
end if;
-- Was: Allocate_Complex_Object.
New_Assign_Stmt
(M2Lp (Name_Node),
Gen_Alloc (Alloc_Kind,
Size,
Type_Info.Ortho_Ptr_Type (Mode_Value)));
end if;
end Elab_Object_Storage;
-- Generate code to create object OBJ and initialize it with value VAL.
procedure Elab_Object_Init
(Name : Mnode; Obj : Iir; Value : Iir; Alloc_Kind : Allocation_Kind)
is
Obj_Type : constant Iir := Get_Type (Obj);
Type_Info : constant Type_Info_Acc := Get_Info (Obj_Type);
Name_Node : Mnode;
Value_Node : O_Enode;
begin
-- Note: no temporary variable region is created, as the allocation
-- may be performed on the stack.
if Value = Null_Iir then
-- Performs default initialization.
Open_Temp;
Init_Object (Name, Obj_Type);
Close_Temp;
elsif Get_Kind (Value) = Iir_Kind_Aggregate then
if Type_Info.Type_Mode in Type_Mode_Unbounded
and then not Is_Object_Subtype_Attribute (Obj)
then
-- Allocate.
declare
Aggr_Type : constant Iir := Get_Type (Value);
Aggr_Base_Type : constant Iir := Get_Base_Type (Aggr_Type);
begin
Name_Node := Stabilize (Name);
if Get_Constraint_State (Aggr_Type) /= Fully_Constrained then
-- Allocate bounds
Chap3.Allocate_Unbounded_Composite_Bounds
(Alloc_Kind, Name_Node, Aggr_Base_Type);
-- Translate bounds
Chap7.Translate_Aggregate_Bounds
(Stabilize (Chap3.Get_Composite_Bounds (Name_Node)),
Value);
-- Allocate base
Chap3.Allocate_Unbounded_Composite_Base
(Alloc_Kind, Name_Node, Aggr_Base_Type);
else
Chap3.Create_Composite_Subtype (Aggr_Type);
if Alloc_Kind = Alloc_Stack then
-- Short-cut: don't allocate bounds.
New_Assign_Stmt
(M2Lp (Chap3.Get_Composite_Bounds (Name_Node)),
M2Addr (Chap3.Get_Composite_Type_Bounds (Aggr_Type)));
Chap3.Allocate_Unbounded_Composite_Base
(Alloc_Kind, Name_Node, Aggr_Base_Type);
else
Chap3.Translate_Object_Allocation
(Name_Node, Alloc_Kind, Aggr_Base_Type,
Chap3.Get_Composite_Type_Bounds (Aggr_Type));
end if;
end if;
end;
else
Name_Node := Name;
end if;
Chap7.Translate_Aggregate (Name_Node, Obj_Type, Value);
else
Value_Node := Chap7.Translate_Expression (Value, Obj_Type);
if Type_Info.Type_Mode in Type_Mode_Unbounded then
declare
S : Mnode;
begin
Name_Node := Stabilize (Name);
S := Stabilize (E2M (Value_Node, Type_Info, Mode_Value));
if Get_Kind (Value) = Iir_Kind_String_Literal8
and then Get_Kind (Obj) = Iir_Kind_Constant_Declaration
then
-- No need to allocate space for the object.
Copy_Fat_Pointer (Name_Node, S);
else
Chap3.Translate_Object_Allocation
(Name_Node, Alloc_Kind, Obj_Type,
Chap3.Get_Composite_Bounds (S));
Chap3.Translate_Object_Copy (Name_Node, S, Obj_Type);
end if;
end;
else
Chap7.Translate_Assign (Name, Value_Node, Value, Obj_Type, Obj);
end if;
end if;
end Elab_Object_Init;
-- Generate code to create object OBJ and initialize it with value VAL.
procedure Elab_Object_Value (Obj : Iir; Value : Iir)
is
Obj_Info : constant Object_Info_Acc := Get_Info (Obj);
Alloc_Kind : constant Allocation_Kind :=
Get_Alloc_Kind_For_Var (Obj_Info.Object_Var);
Name : constant Mnode :=
Get_Var (Obj_Info.Object_Var, Get_Info (Get_Type (Obj)), Mode_Value);
begin
Elab_Object_Storage (Obj);
Elab_Object_Init (Name, Obj, Value, Alloc_Kind);
if Alloc_Kind = Alloc_Return then
-- If the object is allocated on the return stack, avoid
-- deallocation. Deallocation must be done manually (this concerns
-- procedures with suspension).
Disable_Stack2_Release;
end if;
end Elab_Object_Value;
-- Create code to elaborate OBJ.
procedure Elab_Object (Obj : Iir)
is
Value : constant Iir := Get_Default_Value (Obj);
Obj1 : Iir;
begin
-- Set default value.
if Get_Kind (Obj) = Iir_Kind_Constant_Declaration then
if Get_Deferred_Declaration_Flag (Obj) then
-- No code generation for a deferred constant.
return;
end if;
if Get_Kind (Value) = Iir_Kind_Overflow_Literal then
-- An overflow can be static, but must still generate an error
-- at run time.
Chap6.Gen_Bound_Error (Obj);
return;
end if;
if Get_Info (Obj).Object_Static then
-- A static object is pre-initialized.
return;
end if;
Obj1 := Get_Deferred_Declaration (Obj);
if Obj1 = Null_Iir then
Obj1 := Obj;
end if;
else
Obj1 := Obj;
end if;
New_Debug_Line_Stmt (Get_Line_Number (Obj));
-- Still use the default value of the not deferred constant.
-- FIXME: what about composite types.
Elab_Object_Value (Obj1, Value);
end Elab_Object;
procedure Fini_Object (Obj : Iir)
is
Obj_Type : constant Iir := Get_Type (Obj);
Type_Info : constant Type_Info_Acc := Get_Info (Obj_Type);
begin
case Type_Mode_Valid (Type_Info.Type_Mode) is
when Type_Mode_Unbounded =>
declare
V : Mnode;
begin
Open_Temp;
V := Chap6.Translate_Name (Obj, Mode_Value);
Stabilize (V);
Chap3.Gen_Deallocate
(New_Value (M2Lp (Chap3.Get_Composite_Bounds (V))));
Chap3.Gen_Deallocate
(New_Value (M2Lp (Chap3.Get_Composite_Base (V))));
Close_Temp;
end;
when Type_Mode_Complex_Array
| Type_Mode_Complex_Record
| Type_Mode_Protected =>
Chap3.Gen_Deallocate
(New_Value (M2Lp (Chap6.Translate_Name (Obj, Mode_Value))));
when Type_Mode_Scalar
| Type_Mode_Static_Record
| Type_Mode_Static_Array
| Type_Mode_Acc
| Type_Mode_Bounds_Acc =>
null;
when Type_Mode_File =>
-- FIXME: free file ?
null;
end case;
end Fini_Object;
function Get_Nbr_Signals (Sig : Mnode; Sig_Type : Iir) return O_Enode
is
Info : constant Type_Info_Acc := Get_Info (Sig_Type);
begin
case Info.Type_Mode is
when Type_Mode_Scalar =>
-- Note: here we discard SIG...
return New_Lit (Ghdl_Index_1);
when Type_Mode_Arrays =>
declare
Len : O_Dnode;
If_Blk : O_If_Block;
Ssig : Mnode;
begin
Ssig := Stabilize (Sig);
Len := Create_Temp_Init
(Ghdl_Index_Type,
Chap3.Get_Array_Length (Ssig, Sig_Type));
-- Can dereference the first index only if the array is not a
-- null array.
Start_If_Stmt (If_Blk,
New_Compare_Op (ON_Neq,
New_Obj_Value (Len),
New_Lit (Ghdl_Index_0),
Ghdl_Bool_Type));
New_Assign_Stmt
(New_Obj (Len),
New_Dyadic_Op
(ON_Mul_Ov,
New_Obj_Value (Len),
Get_Nbr_Signals
(Chap3.Index_Base
(Chap3.Get_Composite_Base (Ssig), Sig_Type,
New_Lit (Ghdl_Index_0)),
Get_Element_Subtype (Sig_Type))));
Finish_If_Stmt (If_Blk);
return New_Obj_Value (Len);
end;
when Type_Mode_Records =>
declare
List : constant Iir_Flist :=
Get_Elements_Declaration_List (Get_Base_Type (Sig_Type));
El : Iir;
Res : O_Enode;
E : O_Enode;
Sig_El : Mnode;
Ssig : Mnode;
begin
Ssig := Stabilize (Sig);
Res := O_Enode_Null;
for I in Flist_First .. Flist_Last (List) loop
El := Get_Nth_Element (List, I);
Sig_El := Chap6.Translate_Selected_Element (Ssig, El);
E := Get_Nbr_Signals (Sig_El, Get_Type (El));
if Res /= O_Enode_Null then
Res := New_Dyadic_Op (ON_Add_Ov, Res, E);
else
Res := E;
end if;
end loop;
if Res = O_Enode_Null then
-- Empty records.
Res := New_Lit (Ghdl_Index_0);
end if;
return Res;
end;
when Type_Mode_Unknown
| Type_Mode_File
| Type_Mode_Acc
| Type_Mode_Bounds_Acc
| Type_Mode_Protected =>
raise Internal_Error;
end case;
end Get_Nbr_Signals;
-- Get the leftest signal of SIG.
-- The leftest signal of
-- a scalar signal is itself,
-- an array signal is the leftest,
-- a record signal is the first element.
function Get_Leftest_Signal (Sig: Mnode; Sig_Type : Iir)
return Mnode
is
Res : Mnode;
Res_Type : Iir;
Info : Type_Info_Acc;
begin
Res := Sig;
Res_Type := Sig_Type;
loop
Info := Get_Type_Info (Res);
case Info.Type_Mode is
when Type_Mode_Scalar =>
return Res;
when Type_Mode_Arrays =>
Res := Chap3.Index_Base
(Chap3.Get_Composite_Base (Res), Res_Type,
New_Lit (Ghdl_Index_0));
Res_Type := Get_Element_Subtype (Res_Type);
when Type_Mode_Records =>
declare
El_List : constant Iir_Flist :=
Get_Elements_Declaration_List (Get_Base_Type (Res_Type));
Element : constant Iir := Get_Nth_Element (El_List, 0);
begin
Res := Chap6.Translate_Selected_Element (Res, Element);
Res_Type := Get_Type (Element);
end;
when Type_Mode_Unknown
| Type_Mode_File
| Type_Mode_Acc
| Type_Mode_Bounds_Acc
| Type_Mode_Protected =>
raise Internal_Error;
end case;
end loop;
end Get_Leftest_Signal;
-- Add func and instance.
procedure Add_Associations_For_Resolver
(Assoc : in out O_Assoc_List; Func_Decl : Iir)
is
Func_Info : constant Subprg_Info_Acc := Get_Info (Func_Decl);
Resolv_Info : constant Subprg_Resolv_Info_Acc :=
Func_Info.Subprg_Resolv;
Val : O_Enode;
begin
New_Association
(Assoc, New_Lit (New_Subprogram_Address (Resolv_Info.Resolv_Func,
Ghdl_Ptr_Type)));
if Subprgs.Has_Subprg_Instance (Resolv_Info.Var_Instance) then
Val := New_Convert_Ov
(Subprgs.Get_Subprg_Instance (Resolv_Info.Var_Instance),
Ghdl_Ptr_Type);
else
Val := New_Lit (New_Null_Access (Ghdl_Ptr_Type));
end if;
New_Association (Assoc, Val);
end Add_Associations_For_Resolver;
type O_If_Block_Acc is access O_If_Block;
type Elab_Signal_Data is record
Value : Mnode;
-- Default value of the signal.
Init_Val : Mnode;
-- If statement for a block of signals.
If_Stmt : O_If_Block_Acc;
-- True if the default value is set.
Has_Val : Boolean;
-- True if a resolution function was already attached.
Already_Resolved : Boolean;
-- True if the signal may already have been created.
Check_Null : Boolean;
end record;
procedure Elab_Signal_Non_Composite (Targ : Mnode;
Targ_Type : Iir;
Data : Elab_Signal_Data)
is
Type_Info : constant Type_Info_Acc := Get_Info (Targ_Type);
Create_Subprg : O_Dnode;
Res : O_Enode;
Assoc : O_Assoc_List;
Init_Val : O_Enode;
-- For the resolution function (if any).
Func : Iir;
If_Stmt : O_If_Block;
Targ_Ptr : O_Dnode;
Value : Mnode;
begin
if Data.Check_Null then
Targ_Ptr := Create_Temp_Init
(Ghdl_Signal_Ptr_Ptr,
New_Unchecked_Address (M2Lv (Targ), Ghdl_Signal_Ptr_Ptr));
Start_If_Stmt
(If_Stmt,
New_Compare_Op (ON_Eq,
New_Value (New_Acc_Value (New_Obj (Targ_Ptr))),
New_Lit (New_Null_Access (Ghdl_Signal_Ptr)),
Ghdl_Bool_Type));
end if;
-- Set the value.
Value := Stabilize (Data.Value);
if Data.Has_Val then
Init_Val := M2E (Data.Init_Val);
else
Init_Val := Get_Scalar_Initial_Value (Targ_Type);
end if;
New_Assign_Stmt (M2Lv (Value), Init_Val);
-- Create the signal.
case Type_Mode_Scalar (Type_Info.Type_Mode) is
when Type_Mode_Scalar (Type_Mode_B1) =>
Create_Subprg := Ghdl_Create_Signal_B1;
when Type_Mode_E8 =>
Create_Subprg := Ghdl_Create_Signal_E8;
when Type_Mode_E32 =>
Create_Subprg := Ghdl_Create_Signal_E32;
when Type_Mode_I32
| Type_Mode_P32 =>
Create_Subprg := Ghdl_Create_Signal_I32;
when Type_Mode_P64
| Type_Mode_I64 =>
Create_Subprg := Ghdl_Create_Signal_I64;
when Type_Mode_F64 =>
Create_Subprg := Ghdl_Create_Signal_F64;
end case;
Start_Association (Assoc, Create_Subprg);
New_Association
(Assoc, New_Unchecked_Address (M2Lv (Value), Ghdl_Ptr_Type));
if Get_Kind (Targ_Type) in Iir_Kinds_Subtype_Definition then
Func := Has_Resolution_Function (Targ_Type);
else
Func := Null_Iir;
end if;
if Func /= Null_Iir and then not Data.Already_Resolved then
Add_Associations_For_Resolver (Assoc, Func);
else
New_Association (Assoc, New_Lit (New_Null_Access (Ghdl_Ptr_Type)));
New_Association (Assoc, New_Lit (New_Null_Access (Ghdl_Ptr_Type)));
end if;
Res := New_Function_Call (Assoc);
if Data.Check_Null then
New_Assign_Stmt (New_Acc_Value (New_Obj (Targ_Ptr)), Res);
Finish_If_Stmt (If_Stmt);
else
New_Assign_Stmt
(M2Lv (Targ),
New_Convert_Ov (Res, Type_Info.Ortho_Type (Mode_Signal)));
end if;
end Elab_Signal_Non_Composite;
function Elab_Signal_Prepare_Composite
(Targ : Mnode; Targ_Type : Iir; Data : Elab_Signal_Data)
return Elab_Signal_Data
is
Assoc : O_Assoc_List;
Func : Iir;
Res : Elab_Signal_Data;
begin
Res := Data;
if Get_Kind (Targ_Type) in Iir_Kinds_Subtype_Definition then
Func := Has_Resolution_Function (Targ_Type);
if Func /= Null_Iir and then not Data.Already_Resolved then
if Data.Check_Null then
Res.If_Stmt := new O_If_Block;
Start_If_Stmt
(Res.If_Stmt.all,
New_Compare_Op
(ON_Eq,
New_Convert_Ov (M2E (Get_Leftest_Signal (Targ,
Targ_Type)),
Ghdl_Signal_Ptr),
New_Lit (New_Null_Access (Ghdl_Signal_Ptr)),
Ghdl_Bool_Type));
--Res.Check_Null := False;
end if;
-- Add resolver.
Start_Association (Assoc, Ghdl_Signal_Create_Resolution);
Add_Associations_For_Resolver (Assoc, Func);
New_Association
(Assoc, New_Convert_Ov (M2Addr (Targ), Ghdl_Ptr_Type));
New_Association (Assoc, Get_Nbr_Signals (Targ, Targ_Type));
New_Procedure_Call (Assoc);
Res.Already_Resolved := True;
end if;
end if;
case Get_Info (Targ_Type).Type_Mode is
when Type_Mode_Records =>
Res.Value := Stabilize (Data.Value);
if Data.Has_Val then
Res.Init_Val := Stabilize (Data.Init_Val);
end if;
when Type_Mode_Arrays =>
Res.Value := Chap3.Get_Composite_Base (Data.Value);
if Data.Has_Val then
Res.Init_Val := Chap3.Get_Composite_Base (Data.Init_Val);
end if;
when others =>
raise Internal_Error;
end case;
return Res;
end Elab_Signal_Prepare_Composite;
procedure Elab_Signal_Finish_Composite (Data : in out Elab_Signal_Data)
is
procedure Free is new Ada.Unchecked_Deallocation
(Object => O_If_Block, Name => O_If_Block_Acc);
begin
if Data.If_Stmt /= null then
Finish_If_Stmt (Data.If_Stmt.all);
Free (Data.If_Stmt);
end if;
end Elab_Signal_Finish_Composite;
function Elab_Signal_Update_Array
(Data : Elab_Signal_Data; Targ_Type : Iir; Index : O_Dnode)
return Elab_Signal_Data
is
N_Init_Val : Mnode;
begin
if Data.Has_Val then
N_Init_Val := Chap3.Index_Base (Data.Init_Val, Targ_Type,
New_Obj_Value (Index));
else
N_Init_Val := Mnode_Null;
end if;
return Elab_Signal_Data'
(Value => Chap3.Index_Base (Data.Value, Targ_Type,
New_Obj_Value (Index)),
Init_Val => N_Init_Val,
Has_Val => Data.Has_Val,
If_Stmt => null,
Already_Resolved => Data.Already_Resolved,
Check_Null => Data.Check_Null);
end Elab_Signal_Update_Array;
function Elab_Signal_Update_Record
(Data : Elab_Signal_Data; Targ_Type : Iir; El : Iir_Element_Declaration)
return Elab_Signal_Data
is
pragma Unreferenced (Targ_Type);
N_Init_Val : Mnode;
begin
if Data.Has_Val then
N_Init_Val := Chap6.Translate_Selected_Element (Data.Init_Val, El);
else
N_Init_Val := Mnode_Null;
end if;
return Elab_Signal_Data'
(Value => Chap6.Translate_Selected_Element (Data.Value, El),
Init_Val => N_Init_Val,
Has_Val => Data.Has_Val,
If_Stmt => null,
Already_Resolved => Data.Already_Resolved,
Check_Null => Data.Check_Null);
end Elab_Signal_Update_Record;
procedure Elab_Signal is new Foreach_Non_Composite
(Data_Type => Elab_Signal_Data,
Composite_Data_Type => Elab_Signal_Data,
Do_Non_Composite => Elab_Signal_Non_Composite,
Prepare_Data_Array => Elab_Signal_Prepare_Composite,
Update_Data_Array => Elab_Signal_Update_Array,
Finish_Data_Array => Elab_Signal_Finish_Composite,
Prepare_Data_Record => Elab_Signal_Prepare_Composite,
Update_Data_Record => Elab_Signal_Update_Record,
Finish_Data_Record => Elab_Signal_Finish_Composite);
-- Elaborate signal subtypes and allocate the storage for the object.
procedure Elab_Signal_Declaration_Storage (Decl : Iir; Has_Copy : Boolean)
is
Is_Port : constant Boolean :=
Get_Kind (Decl) = Iir_Kind_Interface_Signal_Declaration;
Sig_Type : constant Iir := Get_Type (Decl);
Type_Info : Type_Info_Acc;
Name_Sig : Mnode;
Name_Val : Mnode;
begin
New_Debug_Line_Stmt (Get_Line_Number (Decl));
Open_Temp;
Chap3.Elab_Object_Subtype_Indication (Decl);
Type_Info := Get_Info (Sig_Type);
if Type_Info.Type_Mode in Type_Mode_Unbounded then
-- Allocate storage.
if Has_Copy then
Name_Sig := Chap6.Translate_Name (Decl, Mode_Signal);
Name_Val := Mnode_Null;
else
Chap6.Translate_Signal_Name (Decl, Name_Sig, Name_Val);
end if;
Name_Sig := Stabilize (Name_Sig);
if Name_Val /= Mnode_Null then
Name_Val := Stabilize (Name_Val);
Elab_Maybe_Subtype_Attribute (Decl, Name_Val, Name_Sig);
Chap3.Allocate_Unbounded_Composite_Base
(Alloc_System, Name_Val, Sig_Type);
else
Elab_Maybe_Subtype_Attribute (Decl, Name_Sig, Mnode_Null);
end if;
Chap3.Allocate_Unbounded_Composite_Base
(Alloc_System, Name_Sig, Sig_Type);
if Is_Port and then Get_Default_Value (Decl) /= Null_Iir then
Name_Val := Chap6.Get_Port_Init_Value (Decl);
Name_Val := Stabilize (Name_Val);
Chap3.Allocate_Unbounded_Composite_Base
(Alloc_System, Name_Val, Sig_Type);
end if;
elsif Is_Complex_Type (Type_Info) then
if Has_Copy then
Name_Sig := Chap6.Translate_Name (Decl, Mode_Signal);
Name_Val := Mnode_Null;
else
Chap6.Translate_Signal_Name (Decl, Name_Sig, Name_Val);
end if;
Allocate_Complex_Object (Sig_Type, Alloc_System, Name_Sig);
if Name_Val /= Mnode_Null then
Allocate_Complex_Object (Sig_Type, Alloc_System, Name_Val);
end if;
if Is_Port and then Get_Default_Value (Decl) /= Null_Iir then
Name_Val := Chap6.Get_Port_Init_Value (Decl);
Allocate_Complex_Object (Sig_Type, Alloc_System, Name_Val);
end if;
elsif Is_Port then
if not Has_Copy then
-- A port that isn't collapsed. Allocate value.
Name_Val := Chap6.Translate_Name (Decl, Mode_Value);
New_Assign_Stmt
(M2Lp (Name_Val),
Gen_Alloc (Alloc_System,
Chap3.Get_Object_Size (Name_Val, Sig_Type),
Type_Info.Ortho_Ptr_Type (Mode_Value)));
end if;
end if;
Close_Temp;
end Elab_Signal_Declaration_Storage;
function Has_Direct_Driver (Sig : Iir) return Boolean
is
Info : constant Ortho_Info_Acc := Get_Info (Get_Object_Prefix (Sig));
begin
-- Can be an alias ?
return Info.Kind = Kind_Signal
and then Info.Signal_Driver /= Null_Var;
end Has_Direct_Driver;
procedure Elab_Direct_Driver_Declaration_Storage (Decl : Iir)
is
Sig_Type : constant Iir := Get_Type (Decl);
Sig_Info : constant Ortho_Info_Acc := Get_Info (Decl);
Type_Info : constant Type_Info_Acc := Get_Info (Sig_Type);
Name_Node : Mnode;
begin
Open_Temp;
if Type_Info.Type_Mode in Type_Mode_Unbounded then
Name_Node := Get_Var (Sig_Info.Signal_Driver, Type_Info, Mode_Value);
Name_Node := Stabilize (Name_Node);
-- Copy bounds from signal.
New_Assign_Stmt
(M2Lp (Chap3.Get_Composite_Bounds (Name_Node)),
M2Addr (Chap3.Get_Composite_Bounds
(Chap6.Translate_Name (Decl, Mode_Signal))));
-- Allocate base.
Chap3.Allocate_Unbounded_Composite_Base
(Alloc_System, Name_Node, Sig_Type);
elsif Is_Complex_Type (Type_Info) then
Name_Node := Get_Var (Sig_Info.Signal_Driver, Type_Info, Mode_Value);
Allocate_Complex_Object (Sig_Type, Alloc_System, Name_Node);
end if;
Close_Temp;
end Elab_Direct_Driver_Declaration_Storage;
-- Create signal object.
-- Note: SIG can be a signal sub-element (used when signals are
-- collapsed).
-- If CHECK_NULL is TRUE, create the signal only if it was not yet
-- created.
procedure Elab_Signal_Declaration_Object
(Sig : Iir; Parent : Iir; Check_Null : Boolean)
is
Decl : constant Iir := Strip_Denoting_Name (Sig);
Sig_Type : constant Iir := Get_Type (Sig);
Base_Decl : constant Iir := Get_Object_Prefix (Sig);
Name_Sig : Mnode;
Name_Val : Mnode;
Value : Iir;
Data : Elab_Signal_Data;
begin
New_Debug_Line_Stmt (Get_Line_Number (Sig));
Open_Temp;
-- Set the name of the signal.
declare
Assoc : O_Assoc_List;
begin
Start_Association (Assoc, Ghdl_Signal_Name_Rti);
New_Association
(Assoc,
New_Unchecked_Address (New_Obj (Get_Info (Base_Decl).Signal_Rti),
Rtis.Ghdl_Rti_Access));
Rtis.Associate_Rti_Context (Assoc, Parent);
New_Procedure_Call (Assoc);
end;
Chap6.Translate_Signal_Name (Decl, Name_Sig, Name_Val);
-- Consistency check: a signal name is a signal.
pragma Assert (Get_Object_Kind (Name_Sig) = Mode_Signal);
Data.Value := Name_Val;
if Decl = Base_Decl then
Data.Already_Resolved := False;
Data.Check_Null := Check_Null;
Value := Get_Default_Value (Base_Decl);
if Value = Null_Iir then
Data.Has_Val := False;
else
Data.Has_Val := True;
Data.Init_Val := Chap7.Translate_Expression (Value, Sig_Type);
end if;
else
-- Sub signal.
-- Do not add resolver.
-- Do not use default value.
Data.Already_Resolved := True;
Data.Has_Val := False;
Data.Check_Null := False;
Value := Null_Iir;
end if;
Elab_Signal (Name_Sig, Sig_Type, Data);
Close_Temp;
if Value /= Null_Iir then
Chap9.Destroy_Types (Value);
end if;
end Elab_Signal_Declaration_Object;
procedure Elab_Signal_Declaration
(Decl : Iir; Parent : Iir; Check_Null : Boolean)
is
begin
Elab_Signal_Declaration_Storage (Decl, False);
Elab_Signal_Declaration_Object (Decl, Parent, Check_Null);
end Elab_Signal_Declaration;
procedure Elab_Signal_Attribute (Decl : Iir)
is
Info : constant Signal_Info_Acc := Get_Info (Decl);
Dtype : constant Iir := Get_Type (Decl);
Type_Info : constant Type_Info_Acc := Get_Info (Dtype);
Assoc : O_Assoc_List;
Prefix : Iir;
Prefix_Node : Mnode;
Res : O_Enode;
Val : O_Enode;
Param : Iir;
Subprg : O_Dnode;
begin
New_Debug_Line_Stmt (Get_Line_Number (Decl));
-- Create the signal (with the time)
case Get_Kind (Decl) is
when Iir_Kind_Stable_Attribute =>
Subprg := Ghdl_Create_Stable_Signal;
when Iir_Kind_Quiet_Attribute =>
Subprg := Ghdl_Create_Quiet_Signal;
when Iir_Kind_Transaction_Attribute =>
Subprg := Ghdl_Create_Transaction_Signal;
when others =>
Error_Kind ("elab_signal_attribute", Decl);
end case;
Start_Association (Assoc, Subprg);
New_Association (Assoc,
New_Unchecked_Address (Get_Var (Info.Signal_Val),
Ghdl_Ptr_Type));
case Get_Kind (Decl) is
when Iir_Kind_Stable_Attribute
| Iir_Kind_Quiet_Attribute =>
Param := Get_Parameter (Decl);
if Param = Null_Iir then
Val := New_Lit (New_Signed_Literal (Std_Time_Otype, 0));
else
Val := Chap7.Translate_Expression (Param);
end if;
New_Association (Assoc, Val);
when others =>
null;
end case;
Res := New_Convert_Ov (New_Function_Call (Assoc),
Type_Info.Ortho_Type (Mode_Signal));
New_Assign_Stmt (Get_Var (Info.Signal_Sig), Res);
-- Register all signals this depends on.
Prefix := Get_Prefix (Decl);
Prefix_Node := Chap6.Translate_Name (Prefix, Mode_Signal);
Register_Signal (Prefix_Node, Get_Type (Prefix),
Ghdl_Signal_Attribute_Register_Prefix);
end Elab_Signal_Attribute;
type Delayed_Signal_Data is record
-- Value part of the signal. The signal itself is passed by a
-- parameter.
Targ_Val : Mnode;
-- Prefix signal.
Pfx : Mnode;
-- Delay time.
Param : Iir;
end record;
procedure Create_Delayed_Signal_Noncomposite
(Targ : Mnode; Targ_Type : Iir; Data : Delayed_Signal_Data)
is
pragma Unreferenced (Targ_Type);
Assoc : O_Assoc_List;
Type_Info : Type_Info_Acc;
Val : O_Enode;
begin
Start_Association (Assoc, Ghdl_Create_Delayed_Signal);
New_Association
(Assoc,
New_Convert_Ov (New_Value (M2Lv (Data.Pfx)), Ghdl_Signal_Ptr));
New_Association
(Assoc,
New_Unchecked_Address (M2Lv (Data.Targ_Val), Ghdl_Ptr_Type));
if Data.Param = Null_Iir then
Val := New_Lit (New_Signed_Literal (Std_Time_Otype, 0));
else
Val := Chap7.Translate_Expression (Data.Param);
end if;
New_Association (Assoc, Val);
Type_Info := Get_Type_Info (Targ);
New_Assign_Stmt
(M2Lv (Targ),
New_Convert_Ov (New_Function_Call (Assoc),
Type_Info.Ortho_Type (Mode_Signal)));
end Create_Delayed_Signal_Noncomposite;
function Create_Delayed_Signal_Prepare_Composite
(Targ : Mnode; Targ_Type : Iir; Data : Delayed_Signal_Data)
return Delayed_Signal_Data
is
pragma Unreferenced (Targ_Type);
Res : Delayed_Signal_Data;
begin
Res.Param := Data.Param;
if Get_Type_Info (Targ).Type_Mode in Type_Mode_Bounded_Records then
Res.Targ_Val := Stabilize (Data.Targ_Val);
Res.Pfx := Stabilize (Data.Pfx);
else
Res.Targ_Val := Chap3.Get_Composite_Base (Data.Targ_Val);
Res.Pfx := Chap3.Get_Composite_Base (Data.Pfx);
end if;
return Res;
end Create_Delayed_Signal_Prepare_Composite;
function Create_Delayed_Signal_Update_Data_Array
(Data : Delayed_Signal_Data; Targ_Type : Iir; Index : O_Dnode)
return Delayed_Signal_Data
is
begin
return Delayed_Signal_Data'
(Targ_Val => Chap3.Index_Base (Data.Targ_Val, Targ_Type,
New_Obj_Value (Index)),
Pfx => Chap3.Index_Base (Data.Pfx, Targ_Type,
New_Obj_Value (Index)),
Param => Data.Param);
end Create_Delayed_Signal_Update_Data_Array;
function Create_Delayed_Signal_Update_Data_Record
(Data : Delayed_Signal_Data;
Targ_Type : Iir;
El : Iir_Element_Declaration)
return Delayed_Signal_Data
is
pragma Unreferenced (Targ_Type);
begin
return Delayed_Signal_Data'
(Targ_Val => Chap6.Translate_Selected_Element (Data.Targ_Val, El),
Pfx => Chap6.Translate_Selected_Element (Data.Pfx, El),
Param => Data.Param);
end Create_Delayed_Signal_Update_Data_Record;
procedure Create_Delayed_Signal is new Foreach_Non_Composite
(Data_Type => Delayed_Signal_Data,
Composite_Data_Type => Delayed_Signal_Data,
Do_Non_Composite => Create_Delayed_Signal_Noncomposite,
Prepare_Data_Array => Create_Delayed_Signal_Prepare_Composite,
Update_Data_Array => Create_Delayed_Signal_Update_Data_Array,
Prepare_Data_Record => Create_Delayed_Signal_Prepare_Composite,
Update_Data_Record => Create_Delayed_Signal_Update_Data_Record);
procedure Elab_Signal_Delayed_Attribute (Decl : Iir)
is
Sig_Type : constant Iir := Get_Type (Decl);
Type_Info : constant Type_Info_Acc := Get_Info (Sig_Type);
Name_Sig, Name_Val : Mnode;
Pfx_Node : Mnode;
Data : Delayed_Signal_Data;
begin
Chap6.Translate_Signal_Name (Decl, Name_Sig, Name_Val);
if Is_Complex_Type (Type_Info) then
Allocate_Complex_Object (Sig_Type, Alloc_System, Name_Sig);
Allocate_Complex_Object (Sig_Type, Alloc_System, Name_Val);
-- We cannot stabilize NAME_NODE, since Allocate_Complex_Object
-- assign it.
Chap6.Translate_Signal_Name (Decl, Name_Sig, Name_Val);
end if;
Pfx_Node := Chap6.Translate_Name (Get_Prefix (Decl), Mode_Signal);
Data := Delayed_Signal_Data'(Targ_Val => Name_Val,
Pfx => Pfx_Node,
Param => Get_Parameter (Decl));
Create_Delayed_Signal (Name_Sig, Sig_Type, Data);
end Elab_Signal_Delayed_Attribute;
procedure Elab_File_Declaration (Decl : Iir_File_Declaration)
is
Is_Text : constant Boolean := Get_Text_File_Flag (Get_Type (Decl));
File_Name : constant Iir := Get_File_Logical_Name (Decl);
Constr : O_Assoc_List;
Name : Mnode;
Open_Kind : Iir;
Mode_Val : O_Enode;
Str : O_Enode;
Info : Type_Info_Acc;
begin
-- Elaborate the file.
Name := Chap6.Translate_Name (Decl, Mode_Value);
if Is_Text then
Start_Association (Constr, Ghdl_Text_File_Elaborate);
else
Start_Association (Constr, Ghdl_File_Elaborate);
Info := Get_Info (Get_Type (Decl));
if Info.B.File_Signature /= O_Dnode_Null then
New_Association
(Constr, New_Address (New_Obj (Info.B.File_Signature),
Char_Ptr_Type));
else
New_Association (Constr,
New_Lit (New_Null_Access (Char_Ptr_Type)));
end if;
end if;
New_Assign_Stmt (M2Lv (Name), New_Function_Call (Constr));
-- If file_open_information is present, open the file.
if File_Name = Null_Iir then
return;
end if;
Open_Temp;
Name := Chap6.Translate_Name (Decl, Mode_Value);
Open_Kind := Get_File_Open_Kind (Decl);
if Open_Kind /= Null_Iir then
-- VHDL 93 and later.
Mode_Val := New_Convert_Ov
(Chap7.Translate_Expression (Open_Kind), Ghdl_I32_Type);
else
-- VHDL 87.
case Get_Mode (Decl) is
when Iir_In_Mode =>
Mode_Val := New_Lit (New_Signed_Literal (Ghdl_I32_Type, 0));
when Iir_Out_Mode =>
Mode_Val := New_Lit (New_Signed_Literal (Ghdl_I32_Type, 1));
when others =>
raise Internal_Error;
end case;
end if;
Str := Chap7.Translate_Expression (File_Name, String_Type_Definition);
if Is_Text then
Start_Association (Constr, Ghdl_Text_File_Open);
else
Start_Association (Constr, Ghdl_File_Open);
end if;
New_Association (Constr, M2E (Name));
New_Association (Constr, Mode_Val);
New_Association (Constr, Str);
New_Procedure_Call (Constr);
Close_Temp;
end Elab_File_Declaration;
procedure Final_File_Declaration (Decl : Iir_File_Declaration)
is
Is_Text : constant Boolean := Get_Text_File_Flag (Get_Type (Decl));
Constr : O_Assoc_List;
Name : Mnode;
begin
Open_Temp;
Name := Chap6.Translate_Name (Decl, Mode_Value);
Stabilize (Name);
-- LRM 3.4.1 File Operations
-- An implicit call to FILE_CLOSE exists in a subprogram body for
-- every file object declared in the corresponding subprogram
-- declarative part. Each such call associates a unique file object
-- with the formal parameter F and is called whenever the
-- corresponding subprogram completes its execution.
if Is_Text then
Start_Association (Constr, Ghdl_Text_File_Close);
else
Start_Association (Constr, Ghdl_File_Close);
end if;
New_Association (Constr, M2E (Name));
New_Procedure_Call (Constr);
if Is_Text then
Start_Association (Constr, Ghdl_Text_File_Finalize);
else
Start_Association (Constr, Ghdl_File_Finalize);
end if;
New_Association (Constr, M2E (Name));
New_Procedure_Call (Constr);
Close_Temp;
end Final_File_Declaration;
procedure Translate_Type_Declaration (Decl : Iir)
is
Def : constant Iir := Get_Type_Definition (Decl);
Mark : Id_Mark_Type;
begin
Push_Identifier_Prefix (Mark, Get_Identifier (Decl));
case Get_Kind (Def) is
when Iir_Kinds_Subtype_Definition =>
Chap3.Translate_Subtype_Indication (Def, True);
raise Internal_Error;
when others =>
Chap3.Translate_Type_Definition (Def);
end case;
Pop_Identifier_Prefix (Mark);
end Translate_Type_Declaration;
procedure Translate_Anonymous_Type_Declaration (Decl : Iir)
is
Mark : Id_Mark_Type;
Mark1 : Id_Mark_Type;
begin
Push_Identifier_Prefix (Mark, Get_Identifier (Decl));
Push_Identifier_Prefix (Mark1, "BT");
Chap3.Translate_Type_Definition (Get_Type_Definition (Decl));
Pop_Identifier_Prefix (Mark1);
Pop_Identifier_Prefix (Mark);
end Translate_Anonymous_Type_Declaration;
procedure Translate_Subtype_Declaration (Decl : Iir_Subtype_Declaration)
is
Def : constant Iir := Get_Type (Decl);
Mark : Id_Mark_Type;
begin
Push_Identifier_Prefix (Mark, Get_Identifier (Decl));
Chap3.Translate_Subtype_Definition (Def, True);
Pop_Identifier_Prefix (Mark);
end Translate_Subtype_Declaration;
procedure Translate_Bool_Type_Declaration (Decl : Iir_Type_Declaration)
is
Mark : Id_Mark_Type;
begin
Push_Identifier_Prefix (Mark, Get_Identifier (Decl));
Chap3.Translate_Bool_Type_Definition (Get_Type_Definition (Decl));
Pop_Identifier_Prefix (Mark);
end Translate_Bool_Type_Declaration;
procedure Translate_Object_Alias_Declaration
(Decl : Iir_Object_Alias_Declaration)
is
Decl_Type : constant Iir := Get_Type (Decl);
Name : constant Iir := Get_Name (Decl);
Info : Alias_Info_Acc;
Tinfo : Type_Info_Acc;
Atype : O_Tnode;
Id : Var_Ident_Type;
begin
Chap3.Translate_Object_Subtype_Indication (Decl, True);
Info := Add_Info (Decl, Kind_Alias);
if Is_Signal_Name (Decl) then
Info.Alias_Kind := Mode_Signal;
else
Info.Alias_Kind := Mode_Value;
end if;
Tinfo := Get_Info (Decl_Type);
for Mode in Mode_Value .. Info.Alias_Kind loop
case Tinfo.Type_Mode is
when Type_Mode_Unbounded =>
-- create an object.
-- At elaboration: copy base from name, copy bounds from type,
-- check for matching bounds.
Atype := Get_Ortho_Type (Decl_Type, Mode);
when Type_Mode_Bounded_Arrays
| Type_Mode_Bounded_Records
| Type_Mode_Acc
| Type_Mode_Bounds_Acc
| Type_Mode_Protected =>
-- Create an object pointer.
-- At elaboration: copy base from name.
Atype := Tinfo.Ortho_Ptr_Type (Mode);
when Type_Mode_Scalar =>
case Mode is
when Mode_Signal =>
Atype := Tinfo.Ortho_Type (Mode_Signal);
when Mode_Value =>
Atype := Tinfo.Ortho_Ptr_Type (Mode_Value);
end case;
when others =>
raise Internal_Error;
end case;
if Mode = Mode_Signal then
Id := Create_Var_Identifier (Decl, "_SIG", 0);
else
Id := Create_Var_Identifier (Decl);
end if;
Info.Alias_Var (Mode) := Create_Var (Id, Atype);
end loop;
if Get_Kind (Name) = Iir_Kind_Slice_Name
and then Info.Alias_Kind = Mode_Signal
then
-- The name subtype will be evaluated once at elaboration, as it is
-- needed when direct drivers are used (in that case, the name is
-- evaluated once again).
declare
Name_Type : constant Iir := Get_Type (Name);
Mark1, Mark2 : Id_Mark_Type;
begin
Push_Identifier_Prefix (Mark1, Get_Identifier (Decl));
Push_Identifier_Prefix (Mark2, "AT");
Chap3.Translate_Array_Subtype (Name_Type);
Pop_Identifier_Prefix (Mark2);
Pop_Identifier_Prefix (Mark1);
end;
end if;
end Translate_Object_Alias_Declaration;
procedure Elab_Object_Alias_Declaration
(Decl : Iir_Object_Alias_Declaration)
is
Decl_Type : constant Iir := Get_Type (Decl);
Tinfo : constant Type_Info_Acc := Get_Info (Decl_Type);
Name : constant Iir := Get_Name (Decl);
Name_Type : constant Iir := Get_Type (Name);
Alias_Info : constant Alias_Info_Acc := Get_Info (Decl);
Name_Node : Mnode_Array;
begin
New_Debug_Line_Stmt (Get_Line_Number (Decl));
Chap3.Elab_Object_Subtype_Indication (Decl);
Open_Temp;
if Get_Kind (Name) = Iir_Kind_Slice_Name
and then Alias_Info.Alias_Kind = Mode_Signal
then
-- See Translate_Object_Alias_Declaration.
Chap3.Elab_Array_Subtype (Name_Type);
end if;
case Alias_Info.Alias_Kind is
when Mode_Value =>
Name_Node (Mode_Value) := Chap6.Translate_Name (Name, Mode_Value);
when Mode_Signal =>
Chap6.Translate_Signal_Name
(Name, Name_Node (Mode_Signal), Name_Node (Mode_Value));
end case;
for Mode in Mode_Value .. Alias_Info.Alias_Kind loop
declare
N : Mnode renames Name_Node (Mode);
A : Var_Type renames Alias_Info.Alias_Var (Mode);
Alias_Node : Mnode;
begin
-- FIXME: use subtype conversion ?
case Tinfo.Type_Mode is
when Type_Mode_Unbounded =>
Stabilize (N);
Alias_Node := Stabilize (Get_Var (A, Tinfo, Mode));
Chap7.Convert_Constrained_To_Unconstrained (Alias_Node, N);
when Type_Mode_Bounded_Arrays =>
Stabilize (N);
New_Assign_Stmt
(Get_Var (A),
New_Convert_Ov (M2E (Chap3.Get_Composite_Base (N)),
Tinfo.Ortho_Ptr_Type (Mode)));
Chap3.Check_Composite_Match
(Decl_Type, T2M (Decl_Type, Mode),
Name_Type, N, Decl);
when Type_Mode_Acc
| Type_Mode_Bounds_Acc
| Type_Mode_Protected =>
New_Assign_Stmt (Get_Var (A), M2Addr (N));
when Type_Mode_Scalar =>
case Mode is
when Mode_Value =>
New_Assign_Stmt (Get_Var (A), M2Addr (N));
when Mode_Signal =>
New_Assign_Stmt (Get_Var (A), M2E (N));
end case;
when Type_Mode_Bounded_Records =>
Stabilize (N);
-- FIXME: Check ?
New_Assign_Stmt (Get_Var (A), M2Addr (N));
when others =>
raise Internal_Error;
end case;
end;
end loop;
Close_Temp;
end Elab_Object_Alias_Declaration;
procedure Translate_Port_Chain (Parent : Iir)
is
Port : Iir;
begin
Port := Get_Port_Chain (Parent);
while Port /= Null_Iir loop
Create_Signal (Port);
Port := Get_Chain (Port);
end loop;
end Translate_Port_Chain;
procedure Translate_Generic_Chain (Parent : Iir)
is
Decl : Iir;
begin
Decl := Get_Generic_Chain (Parent);
while Decl /= Null_Iir loop
case Get_Kind (Decl) is
when Iir_Kinds_Interface_Object_Declaration =>
Create_Object (Decl);
when Iir_Kind_Interface_Package_Declaration =>
if Get_Generic_Map_Aspect_Chain (Decl) = Null_Iir then
-- Need a formal
Create_Package_Interface (Decl);
else
-- Instantiated.
Chap2.Translate_Package_Instantiation_Declaration (Decl);
end if;
when Iir_Kind_Interface_Type_Declaration
| Iir_Kinds_Interface_Subprogram_Declaration =>
null;
when others =>
Error_Kind ("translate_generic_chain", Decl);
end case;
Decl := Get_Chain (Decl);
end loop;
end Translate_Generic_Chain;
-- Create instance record for a component.
procedure Translate_Component_Declaration (Decl : Iir)
is
Mark : Id_Mark_Type;
Info : Ortho_Info_Acc;
begin
Info := Add_Info (Decl, Kind_Component);
Push_Identifier_Prefix (Mark, Get_Identifier (Decl));
Push_Instance_Factory (Info.Comp_Scope'Access);
Info.Comp_Link := Add_Instance_Factory_Field
(Wki_Instance, Rtis.Ghdl_Component_Link_Type);
-- Generic and ports.
Translate_Generic_Chain (Decl);
Translate_Port_Chain (Decl);
Pop_Instance_Factory (Info.Comp_Scope'Access);
New_Type_Decl (Create_Identifier ("_COMPTYPE"),
Get_Scope_Type (Info.Comp_Scope));
Info.Comp_Ptr_Type := New_Access_Type
(Get_Scope_Type (Info.Comp_Scope));
New_Type_Decl (Create_Identifier ("_COMPPTR"), Info.Comp_Ptr_Type);
Pop_Identifier_Prefix (Mark);
end Translate_Component_Declaration;
procedure Translate_Declaration (Decl : Iir)
is
begin
case Get_Kind (Decl) is
when Iir_Kind_Use_Clause =>
null;
when Iir_Kind_Configuration_Specification =>
null;
when Iir_Kind_Disconnection_Specification =>
null;
when Iir_Kind_Psl_Default_Clock =>
null;
when Iir_Kind_Psl_Declaration =>
null;
when Iir_Kind_Component_Declaration =>
Chap4.Translate_Component_Declaration (Decl);
when Iir_Kind_Type_Declaration =>
-- A type declaration can be in fact a subtype declaration.
Chap4.Translate_Type_Declaration (Decl);
when Iir_Kind_Anonymous_Type_Declaration =>
Chap4.Translate_Anonymous_Type_Declaration (Decl);
when Iir_Kind_Subtype_Declaration =>
Chap4.Translate_Subtype_Declaration (Decl);
when Iir_Kind_Function_Declaration
| Iir_Kind_Procedure_Declaration =>
raise Internal_Error;
when Iir_Kind_Function_Body
| Iir_Kind_Procedure_Body =>
null;
when Iir_Kind_Protected_Type_Body =>
null;
--when Iir_Kind_Implicit_Function_Declaration =>
--when Iir_Kind_Signal_Declaration
-- | Iir_Kind_Interface_Signal_Declaration =>
-- Chap4.Create_Object (Decl);
when Iir_Kind_Variable_Declaration
| Iir_Kind_Constant_Declaration =>
Create_Object (Decl);
when Iir_Kind_Signal_Declaration =>
Create_Signal (Decl);
when Iir_Kind_Object_Alias_Declaration =>
Translate_Object_Alias_Declaration (Decl);
when Iir_Kind_Non_Object_Alias_Declaration =>
null;
when Iir_Kind_File_Declaration =>
Create_File_Object (Decl);
when Iir_Kind_Attribute_Declaration =>
-- Attribute declarations have a type mark.
null;
when Iir_Kind_Attribute_Specification =>
Chap5.Translate_Attribute_Specification (Decl);
when Iir_Kind_Signal_Attribute_Declaration =>
declare
Sig : Iir;
begin
Sig := Get_Signal_Attribute_Chain (Decl);
while Is_Valid (Sig) loop
Chap4.Create_Implicit_Signal (Sig);
Sig := Get_Attr_Chain (Sig);
end loop;
end;
when Iir_Kind_Guard_Signal_Declaration =>
Create_Signal (Decl);
when Iir_Kind_Package_Declaration =>
Chap2.Translate_Package_Declaration (Decl);
when Iir_Kind_Package_Body =>
Chap2.Translate_Package_Body (Decl);
when Iir_Kind_Package_Instantiation_Declaration =>
Chap2.Translate_Package_Instantiation_Declaration (Decl);
when Iir_Kind_Group_Template_Declaration =>
null;
when Iir_Kind_Group_Declaration =>
null;
when others =>
Error_Kind ("translate_declaration", Decl);
end case;
end Translate_Declaration;
procedure Translate_Resolution_Function (Func : Iir)
is
Finfo : constant Subprg_Info_Acc := Get_Info (Func);
Rinfo : constant Subprg_Resolv_Info_Acc := Finfo.Subprg_Resolv;
-- Type of the resolution function parameter.
El_Type : Iir;
El_Info : Type_Info_Acc;
Interface_List : O_Inter_List;
Id : O_Ident;
Itype : O_Tnode;
Unused_Instance : O_Dnode;
begin
if Rinfo = null then
-- Not a resolution function
return;
end if;
-- Declare the procedure.
Id := Create_Identifier (Func, Get_Overload_Number (Func), "_RESOLV");
Start_Procedure_Decl (Interface_List, Id, Global_Storage);
-- The instance.
if Subprgs.Has_Current_Subprg_Instance then
Subprgs.Add_Subprg_Instance_Interfaces (Interface_List,
Rinfo.Var_Instance);
else
-- Create a dummy instance parameter
New_Interface_Decl (Interface_List, Unused_Instance,
Wki_Instance, Ghdl_Ptr_Type);
Rinfo.Var_Instance := Subprgs.Null_Subprg_Instance;
end if;
-- The signal.
El_Type := Get_Type (Get_Interface_Declaration_Chain (Func));
El_Type := Get_Element_Subtype (El_Type);
El_Info := Get_Info (El_Type);
-- FIXME: create a function for getting the type of an interface.
case El_Info.Type_Mode is
when Type_Mode_Thin =>
Itype := El_Info.Ortho_Type (Mode_Signal);
when Type_Mode_Fat =>
Itype := El_Info.Ortho_Ptr_Type (Mode_Signal);
when Type_Mode_Unknown =>
raise Internal_Error;
end case;
New_Interface_Decl
(Interface_List, Rinfo.Var_Vals, Get_Identifier ("VALS"), Itype);
New_Interface_Decl
(Interface_List, Rinfo.Var_Vec, Get_Identifier ("bool_vec"),
Ghdl_Bool_Array_Ptr);
New_Interface_Decl
(Interface_List, Rinfo.Var_Vlen, Get_Identifier ("vec_len"),
Ghdl_Index_Type);
New_Interface_Decl
(Interface_List, Rinfo.Var_Nbr_Drv, Get_Identifier ("nbr_drv"),
Ghdl_Index_Type);
New_Interface_Decl
(Interface_List, Rinfo.Var_Nbr_Ports, Get_Identifier ("nbr_ports"),
Ghdl_Index_Type);
Finish_Subprogram_Decl (Interface_List, Rinfo.Resolv_Func);
end Translate_Resolution_Function;
type Read_Source_Kind is (Read_Port, Read_Driver);
type Read_Source_Data is record
Sig : Mnode;
Drv_Index : O_Dnode;
Kind : Read_Source_Kind;
end record;
procedure Read_Source_Non_Composite
(Targ : Mnode; Targ_Type : Iir; Data : Read_Source_Data)
is
Targ_Info : constant Type_Info_Acc := Get_Info (Targ_Type);
Assoc : O_Assoc_List;
E : O_Enode;
begin
case Data.Kind is
when Read_Port =>
Start_Association (Assoc, Ghdl_Signal_Read_Port);
when Read_Driver =>
Start_Association (Assoc, Ghdl_Signal_Read_Driver);
end case;
New_Association
(Assoc, New_Convert_Ov (M2E (Data.Sig), Ghdl_Signal_Ptr));
New_Association (Assoc, New_Obj_Value (Data.Drv_Index));
E := New_Convert_Ov (New_Function_Call (Assoc),
Targ_Info.Ortho_Ptr_Type (Mode_Value));
New_Assign_Stmt (M2Lv (Targ),
New_Value (New_Access_Element (E)));
end Read_Source_Non_Composite;
function Read_Source_Prepare_Data_Array
(Targ: Mnode; Targ_Type : Iir; Data : Read_Source_Data)
return Read_Source_Data
is
pragma Unreferenced (Targ, Targ_Type);
begin
return Data;
end Read_Source_Prepare_Data_Array;
function Read_Source_Prepare_Data_Record
(Targ : Mnode; Targ_Type : Iir; Data : Read_Source_Data)
return Read_Source_Data
is
pragma Unreferenced (Targ, Targ_Type);
begin
return Read_Source_Data'(Sig => Stabilize (Data.Sig),
Drv_Index => Data.Drv_Index,
Kind => Data.Kind);
end Read_Source_Prepare_Data_Record;
function Read_Source_Update_Data_Array
(Data : Read_Source_Data; Targ_Type : Iir; Index : O_Dnode)
return Read_Source_Data is
begin
return Read_Source_Data'
(Sig => Chap3.Index_Base (Data.Sig, Targ_Type,
New_Obj_Value (Index)),
Drv_Index => Data.Drv_Index,
Kind => Data.Kind);
end Read_Source_Update_Data_Array;
function Read_Source_Update_Data_Record
(Data : Read_Source_Data;
Targ_Type : Iir;
El : Iir_Element_Declaration)
return Read_Source_Data
is
pragma Unreferenced (Targ_Type);
begin
return Read_Source_Data'
(Sig => Chap6.Translate_Selected_Element (Data.Sig, El),
Drv_Index => Data.Drv_Index,
Kind => Data.Kind);
end Read_Source_Update_Data_Record;
procedure Read_Signal_Source is new Foreach_Non_Composite
(Data_Type => Read_Source_Data,
Composite_Data_Type => Read_Source_Data,
Do_Non_Composite => Read_Source_Non_Composite,
Prepare_Data_Array => Read_Source_Prepare_Data_Array,
Update_Data_Array => Read_Source_Update_Data_Array,
Prepare_Data_Record => Read_Source_Prepare_Data_Record,
Update_Data_Record => Read_Source_Update_Data_Record);
procedure Translate_Resolution_Function_Body (Func : Iir)
is
-- Type of the resolution function parameter.
Arr_Type : Iir;
Base_Type : Iir;
Base_Info : Type_Info_Acc;
Index_Info : Index_Info_Acc;
-- Type of parameter element.
El_Type : Iir;
El_Info : Type_Info_Acc;
-- Type of the function return value.
Ret_Type : Iir;
Ret_Info : Type_Info_Acc;
-- Type and info of the array index.
Index_Type : Iir;
Index_Tinfo : Type_Info_Acc;
-- Local variables.
Var_I : O_Dnode;
Var_J : O_Dnode;
Var_Length : O_Dnode;
Var_Res : O_Dnode;
Vals : Mnode;
Res : Mnode;
If_Blk : O_If_Block;
Label : O_Snode;
V : Mnode;
Var_Bound : O_Dnode;
Range_Ptr : Mnode;
Var_Array : O_Dnode;
Finfo : constant Subprg_Info_Acc := Get_Info (Func);
Rinfo : constant Subprg_Resolv_Info_Acc := Finfo.Subprg_Resolv;
Assoc : O_Assoc_List;
Data : Read_Source_Data;
begin
if Rinfo = null then
-- No resolver for this function
return;
end if;
Ret_Type := Get_Return_Type (Func);
Ret_Info := Get_Info (Ret_Type);
Arr_Type := Get_Type (Get_Interface_Declaration_Chain (Func));
Base_Type := Get_Base_Type (Arr_Type);
Index_Info := Get_Info
(Get_Nth_Element (Get_Index_Subtype_Definition_List (Base_Type), 0));
Base_Info := Get_Info (Base_Type);
El_Type := Get_Element_Subtype (Arr_Type);
El_Info := Get_Info (El_Type);
Index_Type := Get_Index_Type (Arr_Type, 0);
Index_Tinfo := Get_Info (Index_Type);
Start_Subprogram_Body (Rinfo.Resolv_Func);
if Subprgs.Has_Subprg_Instance (Rinfo.Var_Instance) then
Subprgs.Start_Subprg_Instance_Use (Rinfo.Var_Instance);
end if;
Push_Local_Factory;
-- A signal.
New_Var_Decl
(Var_Res, Get_Identifier ("res"),
O_Storage_Local, Get_Object_Type (Ret_Info, Mode_Value));
-- I, J.
New_Var_Decl (Var_I, Wki_I, O_Storage_Local, Ghdl_Index_Type);
New_Var_Decl (Var_J, Get_Identifier ("J"),
O_Storage_Local, Ghdl_Index_Type);
-- Length.
New_Var_Decl
(Var_Length, Wki_Length, O_Storage_Local, Ghdl_Index_Type);
New_Var_Decl (Var_Bound, Get_Identifier ("BOUND"), O_Storage_Local,
Base_Info.B.Bounds_Type);
New_Var_Decl (Var_Array, Get_Identifier ("VARRAY"), O_Storage_Local,
Base_Info.Ortho_Type (Mode_Value));
Open_Temp;
case El_Info.Type_Mode is
when Type_Mode_Thin =>
Vals := Dv2M (Rinfo.Var_Vals, El_Info, Mode_Signal);
when Type_Mode_Fat =>
Vals := Dp2M (Rinfo.Var_Vals, El_Info, Mode_Signal);
when Type_Mode_Unknown =>
raise Internal_Error;
end case;
-- * length := vec_len + nports;
New_Assign_Stmt (New_Obj (Var_Length),
New_Dyadic_Op (ON_Add_Ov,
New_Obj_Value (Rinfo.Var_Vlen),
New_Obj_Value (Rinfo.Var_Nbr_Ports)));
-- Create range from length
Range_Ptr := Lv2M (New_Selected_Element (New_Obj (Var_Bound),
Index_Info.Index_Field),
Index_Tinfo, Mode_Value,
Index_Tinfo.B.Range_Type,
Index_Tinfo.B.Range_Ptr_Type);
Chap3.Create_Range_From_Length (Index_Type, Var_Length, Range_Ptr, Func);
New_Assign_Stmt
(New_Selected_Element (New_Obj (Var_Array),
Base_Info.B.Bounds_Field (Mode_Value)),
New_Address (New_Obj (Var_Bound), Base_Info.B.Bounds_Ptr_Type));
-- Allocate the array.
Chap3.Allocate_Unbounded_Composite_Base
(Alloc_Stack, Dv2M (Var_Array, Base_Info, Mode_Value), Base_Type);
-- Fill the array
-- 1. From ports.
-- * I := 0;
Init_Var (Var_I);
-- * loop
Start_Loop_Stmt (Label);
-- * exit when I = nports;
Gen_Exit_When (Label,
New_Compare_Op (ON_Eq,
New_Obj_Value (Var_I),
New_Obj_Value (Rinfo.Var_Nbr_Ports),
Ghdl_Bool_Type));
-- fill array[i]
V := Chap3.Index_Base
(Chap3.Get_Composite_Base (Dv2M (Var_Array, Base_Info, Mode_Value)),
Base_Type, New_Obj_Value (Var_I));
Data := Read_Source_Data'(Vals, Var_I, Read_Port);
Read_Signal_Source (V, El_Type, Data);
-- * I := I + 1;
Inc_Var (Var_I);
-- * end loop;
Finish_Loop_Stmt (Label);
-- 2. From drivers.
-- * J := 0;
-- * loop
-- * exit when j = var_max;
-- * if vec[j] then
--
-- * ptr := get_signal_driver (sig, j);
-- * array[i].XXX := *ptr
--
-- * i := i + 1;
-- * end if;
-- * J := J + 1;
-- * end loop;
Init_Var (Var_J);
Start_Loop_Stmt (Label);
Gen_Exit_When (Label,
New_Compare_Op (ON_Eq,
New_Obj_Value (Var_J),
New_Obj_Value (Rinfo.Var_Nbr_Drv),
Ghdl_Bool_Type));
Start_If_Stmt
(If_Blk,
New_Value (New_Indexed_Acc_Value (New_Obj (Rinfo.Var_Vec),
New_Obj_Value (Var_J))));
V := Chap3.Index_Base
(Chap3.Get_Composite_Base (Dv2M (Var_Array, Base_Info, Mode_Value)),
Base_Type, New_Obj_Value (Var_I));
Data := Read_Source_Data'(Vals, Var_J, Read_Driver);
Read_Signal_Source (V, El_Type, Data);
Inc_Var (Var_I);
Finish_If_Stmt (If_Blk);
Inc_Var (Var_J);
Finish_Loop_Stmt (Label);
if Finfo.Res_Interface /= O_Dnode_Null then
Res := Lo2M (Var_Res, Ret_Info, Mode_Value);
if Ret_Info.Type_Mode /= Type_Mode_Fat_Array then
Allocate_Complex_Object (Ret_Type, Alloc_Stack, Res);
end if;
end if;
-- Call the resolution function.
if Finfo.Use_Stack2 then
Create_Temp_Stack2_Mark;
end if;
Start_Association (Assoc, Finfo.Subprg_Node);
if Finfo.Res_Interface /= O_Dnode_Null then
New_Association (Assoc, M2E (Res));
end if;
Subprgs.Add_Subprg_Instance_Assoc (Assoc, Finfo.Subprg_Instance);
New_Association
(Assoc, New_Address (New_Obj (Var_Array),
Base_Info.Ortho_Ptr_Type (Mode_Value)));
if Finfo.Res_Interface = O_Dnode_Null then
Res := E2M (New_Function_Call (Assoc), Ret_Info, Mode_Value);
else
New_Procedure_Call (Assoc);
end if;
if El_Type /= Ret_Type then
Res := E2M
(Chap7.Translate_Implicit_Conv (M2E (Res), Ret_Type, El_Type,
Mode_Value, Func),
El_Info, Mode_Value);
end if;
Chap7.Set_Driving_Value (Vals, El_Type, Res);
Close_Temp;
Pop_Local_Factory;
if Subprgs.Has_Subprg_Instance (Rinfo.Var_Instance) then
Subprgs.Finish_Subprg_Instance_Use (Rinfo.Var_Instance);
end if;
Finish_Subprogram_Body;
end Translate_Resolution_Function_Body;
procedure Translate_Declaration_Chain (Parent : Iir)
is
Info : Subprg_Info_Acc;
El : Iir;
begin
El := Get_Declaration_Chain (Parent);
while El /= Null_Iir loop
case Get_Kind (El) is
when Iir_Kind_Procedure_Declaration
| Iir_Kind_Function_Declaration =>
-- Translate interfaces.
if not Is_Implicit_Subprogram (El)
and then (not Flag_Discard_Unused or else Get_Use_Flag (El))
and then not Is_Second_Subprogram_Specification (El)
then
Info := Add_Info (El, Kind_Subprg);
Chap2.Translate_Subprogram_Interfaces (El);
if Get_Kind (El) = Iir_Kind_Function_Declaration then
if Get_Resolution_Function_Flag (El) then
Info.Subprg_Resolv := new Subprg_Resolv_Info;
end if;
end if;
end if;
when Iir_Kind_Function_Body
| Iir_Kind_Procedure_Body =>
null;
when others =>
Translate_Declaration (El);
end case;
El := Get_Chain (El);
end loop;
end Translate_Declaration_Chain;
procedure Translate_Statements_Chain_State_Declaration
(Stmts : Iir; State_Scope : Var_Scope_Acc)
is
Num : Nat32;
Mark : Id_Mark_Type;
Locvar_Id : O_Ident;
Els : O_Element_List;
procedure Push_Prefix (Really_Push : Boolean := True)
is
Num_Img : String := Nat32'Image (Num);
begin
Num_Img (Num_Img'First) := 'S';
Locvar_Id := Get_Identifier (Num_Img);
Num := Num + 1;
if Really_Push then
Push_Identifier_Prefix (Mark, Num_Img);
end if;
end Push_Prefix;
procedure Pop_Prefix (Scope : in out Var_Scope_Type;
Really_Push : Boolean := True)
is
Locvar_Field : O_Fnode;
begin
if Really_Push then
Pop_Identifier_Prefix (Mark);
end if;
New_Union_Field
(Els, Locvar_Field, Locvar_Id, Get_Scope_Type (Scope));
Set_Scope_Via_Field (Scope, Locvar_Field, State_Scope);
end Pop_Prefix;
Info : Ortho_Info_Acc;
Stmt : Iir;
Chain : Iir;
Scope_Type : O_Tnode;
begin
Stmt := Stmts;
Start_Union_Type (Els);
Num := 0;
while Stmt /= Null_Iir loop
case Get_Kind (Stmt) is
when Iir_Kind_If_Statement =>
if Get_Suspend_Flag (Stmt) then
Chain := Stmt;
while Chain /= Null_Iir loop
Push_Prefix;
Info := Add_Info (Chain, Kind_Locvar_State);
Translate_Statements_Chain_State_Declaration
(Get_Sequential_Statement_Chain (Chain),
Info.Locvar_Scope'Access);
Pop_Prefix (Info.Locvar_Scope);
Chain := Get_Else_Clause (Chain);
end loop;
end if;
when Iir_Kind_Case_Statement =>
if Get_Suspend_Flag (Stmt) then
Chain := Get_Case_Statement_Alternative_Chain (Stmt);
while Chain /= Null_Iir loop
if not Get_Same_Alternative_Flag (Chain) then
Push_Prefix;
Info := Add_Info (Chain, Kind_Locvar_State);
Translate_Statements_Chain_State_Declaration
(Get_Associated_Chain (Chain),
Info.Locvar_Scope'Access);
Pop_Prefix (Info.Locvar_Scope);
end if;
Chain := Get_Chain (Chain);
end loop;
end if;
when Iir_Kind_While_Loop_Statement =>
if Get_Suspend_Flag (Stmt) then
Push_Prefix;
Info := Add_Info (Stmt, Kind_Loop_State);
Translate_Statements_Chain_State_Declaration
(Get_Sequential_Statement_Chain (Stmt),
Info.Loop_Locvar_Scope'Access);
Pop_Prefix (Info.Loop_Locvar_Scope);
end if;
when Iir_Kind_For_Loop_Statement =>
if Get_Suspend_Flag (Stmt) then
Push_Prefix;
Info := Add_Info (Stmt, Kind_Loop_State);
Push_Instance_Factory (Info.Loop_State_Scope'Access);
Chap8.Translate_For_Loop_Statement_Declaration (Stmt);
Translate_Statements_Chain_State_Declaration
(Get_Sequential_Statement_Chain (Stmt),
Info.Loop_Locvar_Scope'Access);
Add_Scope_Field (Wki_Locvars, Info.Loop_Locvar_Scope);
Pop_Instance_Factory (Info.Loop_State_Scope'Access);
New_Type_Decl (Create_Identifier ("FORTYPE"),
Get_Scope_Type (Info.Loop_State_Scope));
Pop_Prefix (Info.Loop_State_Scope);
end if;
when Iir_Kind_Procedure_Call_Statement =>
declare
Call : constant Iir := Get_Procedure_Call (Stmt);
Imp : constant Iir := Get_Implementation (Call);
begin
Vhdl.Canon.Canon_Subprogram_Call (Call);
Update_Node_Infos;
if Get_Suspend_Flag (Imp) then
Push_Prefix;
Info := Add_Info (Call, Kind_Call);
Chap8.Translate_Procedure_Call_State (Call);
Pop_Prefix (Info.Call_State_Scope);
end if;
end;
when others =>
null;
end case;
Stmt := Get_Chain (Stmt);
end loop;
Finish_Union_Type (Els, Scope_Type);
New_Type_Decl
(Create_Identifier ("LOCVARTYPE"), Scope_Type);
Create_Union_Scope (State_Scope.all, Scope_Type);
end Translate_Statements_Chain_State_Declaration;
procedure Translate_Declaration_Chain_Subprograms
(Parent : Iir; What : Subprg_Translate_Kind)
is
-- True iff specs must be translated.
Do_Specs : constant Boolean := What in Subprg_Translate_Spec;
-- True iff bodies must be translated.
Do_Bodies : constant Boolean :=
(What in Subprg_Translate_Body
and then Global_Storage /= O_Storage_External);
El : Iir;
Infos : Chap7.Implicit_Subprogram_Infos;
begin
El := Get_Declaration_Chain (Parent);
while El /= Null_Iir loop
case Get_Kind (El) is
when Iir_Kind_Procedure_Declaration
| Iir_Kind_Function_Declaration =>
if Is_Implicit_Subprogram (El) then
if Flag_Discard_Unused_Implicit
and then not Get_Use_Flag (El)
then
case Get_Implicit_Definition (El) is
when Iir_Predefined_Array_Equality
| Iir_Predefined_Array_Greater
| Iir_Predefined_Record_Equality =>
-- Used implicitly in case statement or other
-- predefined equality.
if Do_Specs then
Chap7.Translate_Implicit_Subprogram_Spec
(El, Infos);
end if;
if Do_Bodies then
Chap7.Translate_Implicit_Subprogram_Body (El);
end if;
when others =>
null;
end case;
else
if Do_Specs then
Chap7.Translate_Implicit_Subprogram_Spec
(El, Infos);
end if;
if Do_Bodies then
Chap7.Translate_Implicit_Subprogram_Body (El);
end if;
end if;
else
-- Translate only if used.
if Do_Specs and then Get_Info (El) /= null then
Chap2.Translate_Subprogram_Declaration (El);
Translate_Resolution_Function (El);
end if;
end if;
when Iir_Kind_Function_Body
| Iir_Kind_Procedure_Body =>
if Do_Bodies then
-- Do not translate body if generating only specs (for
-- subprograms in an entity).
if not Flag_Discard_Unused
or else
Get_Use_Flag (Get_Subprogram_Specification (El))
then
Chap2.Translate_Subprogram_Body (El);
Translate_Resolution_Function_Body
(Get_Subprogram_Specification (El));
end if;
end if;
when Iir_Kind_Type_Declaration
| Iir_Kind_Anonymous_Type_Declaration =>
Chap3.Translate_Type_Subprograms (El, What);
Chap7.Init_Implicit_Subprogram_Infos (Infos);
when Iir_Kind_Protected_Type_Body =>
if Do_Specs then
Chap3.Translate_Protected_Type_Body (El);
end if;
if Do_Bodies then
Chap3.Translate_Protected_Type_Body_Subprograms_Spec (El);
Chap3.Translate_Protected_Type_Body_Subprograms_Body (El);
end if;
when Iir_Kind_Package_Declaration
| Iir_Kind_Package_Body =>
declare
Mark : Id_Mark_Type;
begin
Push_Identifier_Prefix (Mark, Get_Identifier (El));
Translate_Declaration_Chain_Subprograms (El, What);
Pop_Identifier_Prefix (Mark);
end;
when Iir_Kind_Package_Instantiation_Declaration =>
if Get_Macro_Expanded_Flag
(Get_Uninstantiated_Package_Decl (El))
then
declare
Bod : constant Iir := Get_Instance_Package_Body (El);
Mark : Id_Mark_Type;
begin
Push_Identifier_Prefix (Mark, Get_Identifier (El));
Translate_Declaration_Chain_Subprograms (El, What);
if Is_Valid (Bod)
and then Global_Storage /= O_Storage_External
then
Translate_Declaration_Chain_Subprograms (Bod, What);
end if;
Pop_Identifier_Prefix (Mark);
end;
end if;
when others =>
null;
end case;
El := Get_Chain (El);
end loop;
end Translate_Declaration_Chain_Subprograms;
procedure Elab_Declaration_Chain (Parent : Iir; Need_Final : out Boolean)
is
Decl : Iir;
begin
Decl := Get_Declaration_Chain (Parent);
Need_Final := False;
while Decl /= Null_Iir loop
case Get_Kind (Decl) is
when Iir_Kind_Use_Clause =>
null;
when Iir_Kind_Component_Declaration =>
null;
when Iir_Kind_Configuration_Specification =>
null;
when Iir_Kind_Disconnection_Specification =>
Chap5.Elab_Disconnection_Specification (Decl);
when Iir_Kind_Type_Declaration
| Iir_Kind_Anonymous_Type_Declaration =>
Chap3.Elab_Type_Declaration (Decl);
when Iir_Kind_Subtype_Declaration =>
Chap3.Elab_Subtype_Declaration (Decl);
when Iir_Kind_Protected_Type_Body =>
null;
--when Iir_Kind_Signal_Declaration =>
-- Chap1.Elab_Signal (Decl);
when Iir_Kind_Variable_Declaration
| Iir_Kind_Constant_Declaration =>
-- Do not call Open_Temp/Close_Temp, as objects may be created
-- using alloca (which has a scope life) or on the secondary
-- stack.
Elab_Object (Decl);
if Get_Kind (Get_Type (Decl))
= Iir_Kind_Protected_Type_Declaration
then
Need_Final := True;
end if;
when Iir_Kind_Signal_Declaration =>
Elab_Signal_Declaration (Decl, Parent, False);
when Iir_Kind_Object_Alias_Declaration =>
Elab_Object_Alias_Declaration (Decl);
when Iir_Kind_Non_Object_Alias_Declaration =>
null;
when Iir_Kind_File_Declaration =>
Elab_File_Declaration (Decl);
Need_Final := True;
when Iir_Kind_Attribute_Declaration =>
-- An attribute declaration can only have a type mark.
null;
when Iir_Kind_Attribute_Specification =>
Chap5.Elab_Attribute_Specification (Decl);
when Iir_Kind_Function_Declaration
| Iir_Kind_Procedure_Declaration =>
if not Is_Implicit_Subprogram (Decl)
and then Get_Info (Decl) /= null
then
Chap2.Elab_Subprogram_Interfaces (Decl);
end if;
when Iir_Kind_Function_Body
| Iir_Kind_Procedure_Body =>
null;
when Iir_Kind_Signal_Attribute_Declaration =>
declare
Sig : Iir;
begin
Sig := Get_Signal_Attribute_Chain (Decl);
while Is_Valid (Sig) loop
case Iir_Kinds_Signal_Attribute (Get_Kind (Sig)) is
when Iir_Kind_Stable_Attribute
| Iir_Kind_Quiet_Attribute
| Iir_Kind_Transaction_Attribute =>
Elab_Signal_Attribute (Sig);
when Iir_Kind_Delayed_Attribute =>
Elab_Signal_Delayed_Attribute (Sig);
end case;
Sig := Get_Attr_Chain (Sig);
end loop;
end;
when Iir_Kind_Group_Template_Declaration
| Iir_Kind_Group_Declaration =>
null;
when Iir_Kind_Package_Declaration =>
Chap2.Elab_Package (Decl, Get_Package_Header (Decl));
-- FIXME: finalizer
when Iir_Kind_Package_Body =>
declare
Nested_Final : Boolean;
begin
Elab_Declaration_Chain (Decl, Nested_Final);
Need_Final := Need_Final or Nested_Final;
end;
when Iir_Kind_Package_Instantiation_Declaration =>
-- FIXME: finalizers ?
Chap2.Elab_Package_Instantiation_Declaration (Decl);
when Iir_Kind_Psl_Default_Clock =>
null;
when Iir_Kind_Psl_Declaration =>
null;
when others =>
Error_Kind ("elab_declaration_chain", Decl);
end case;
Decl := Get_Chain (Decl);
end loop;
end Elab_Declaration_Chain;
procedure Final_Declaration_Chain (Parent : Iir; Deallocate : Boolean)
is
Decl : Iir;
begin
Decl := Get_Declaration_Chain (Parent);
while Decl /= Null_Iir loop
case Get_Kind (Decl) is
when Iir_Kind_File_Declaration =>
Final_File_Declaration (Decl);
when Iir_Kind_Variable_Declaration =>
if Get_Kind (Get_Type (Decl))
= Iir_Kind_Protected_Type_Declaration
then
Fini_Protected_Object (Decl);
end if;
if Deallocate then
Fini_Object (Decl);
end if;
when Iir_Kind_Constant_Declaration =>
if Deallocate then
Fini_Object (Decl);
end if;
when others =>
null;
end case;
Decl := Get_Chain (Decl);
end loop;
end Final_Declaration_Chain;
type Conv_Mode is (Conv_Mode_In, Conv_Mode_Out);
-- Create subprogram for an association conversion.
-- STMT is the statement/block_header containing the association.
-- BLOCK is the architecture/block containing the instance.
-- ASSOC is the association and MODE the conversion to work on.
-- CONV_INFO is the result place holder.
-- BASE_BLOCK is the base architecture/block containing the instance.
-- ENTITY is the entity/component instantiated (null for block_stmt)
procedure Translate_Association_Subprogram
(Stmt : Iir;
Block : Iir;
Assoc : Iir;
Inter : Iir;
Mode : Conv_Mode;
Conv_Info : in out Assoc_Conv_Info;
Num : Iir_Int32;
Base_Block : Iir;
Entity : Iir)
is
Formal : constant Iir := Get_Association_Formal (Assoc, Inter);
Actual : constant Iir := Get_Actual (Assoc);
Block_Info : constant Block_Info_Acc := Get_Info (Base_Block);
Mark2, Mark3 : Id_Mark_Type;
Inter_List : O_Inter_List;
In_Type, Out_Type : Iir;
In_Info, Out_Info : Type_Info_Acc;
El_List : O_Element_List;
Stmt_Info : Block_Info_Acc;
Entity_Info : Ortho_Info_Acc;
Var_Data : O_Dnode;
-- Variables for body.
E : O_Enode;
V : O_Dnode;
V1 : O_Lnode;
V_Out : Mnode;
R : O_Enode;
Constr : O_Assoc_List;
Subprg_Info : Subprg_Info_Acc;
Res : Mnode;
M1 : Mnode;
Imp : Iir;
Func : Iir;
Obj : Iir; -- Method object for function conversion
Obj_Type : Iir; -- Valid only if OBJ is valid
begin
case Mode is
when Conv_Mode_In =>
-- IN: from actual to formal.
Push_Identifier_Prefix (Mark2, "CONVIN");
Out_Type := Get_Type (Formal);
In_Type := Get_Type (Actual);
Imp := Get_Actual_Conversion (Assoc);
when Conv_Mode_Out =>
-- OUT: from formal to actual.
Push_Identifier_Prefix (Mark2, "CONVOUT");
In_Type := Get_Type (Formal);
Out_Type := Get_Type (Actual);
Imp := Get_Formal_Conversion (Assoc);
end case;
-- Add interface name and a unique number in case of individual assoc.
Push_Identifier_Prefix (Mark3, Get_Identifier (Inter), Num);
-- Handle anonymous subtypes.
Chap3.Translate_Anonymous_Subtype_Definition (Out_Type, False);
Chap3.Translate_Anonymous_Subtype_Definition (In_Type, False);
Out_Info := Get_Info (Out_Type);
In_Info := Get_Info (In_Type);
if Get_Kind (Imp) = Iir_Kind_Function_Call then
Obj := Get_Method_Object (Imp);
if Is_Valid (Obj) then
Obj_Type := Get_Type (Obj);
end if;
else
Obj := Null_Iir;
end if;
-- Start record containing data for the conversion function.
Start_Record_Type (El_List);
-- Add instance field.
Conv_Info.Instance_Block := Base_Block;
New_Record_Field
(El_List, Conv_Info.Instance_Field, Wki_Instance,
Block_Info.Block_Decls_Ptr_Type);
-- Add instance field for the entity in case of direct instantiation.
if Entity /= Null_Iir then
Conv_Info.Instantiated_Entity := Entity;
Entity_Info := Get_Info (Entity);
declare
Ptr : O_Tnode;
begin
if Entity_Info.Kind = Kind_Component then
Ptr := Entity_Info.Comp_Ptr_Type;
else
Ptr := Entity_Info.Block_Decls_Ptr_Type;
end if;
New_Record_Field
(El_List, Conv_Info.Instantiated_Field,
Get_Identifier ("instantiated"), Ptr);
end;
else
Conv_Info.Instantiated_Entity := Null_Iir;
Conv_Info.Instantiated_Field := O_Fnode_Null;
end if;
if Obj /= Null_Iir then
New_Record_Field
(El_List, Conv_Info.Method_Object, Get_Identifier ("obj"),
Get_Info (Obj_Type).Ortho_Ptr_Type (Mode_Value));
else
Conv_Info.Method_Object := O_Fnode_Null;
end if;
-- Add inputs, which is a pointer to the signal.
New_Record_Field
(El_List, Conv_Info.In_Sig_Field, Get_Identifier ("sig_in"),
Get_Object_Ptr_Type (In_Info, Mode_Signal));
New_Record_Field
(El_List, Conv_Info.In_Val_Field, Get_Identifier ("val_in"),
Get_Object_Ptr_Type (In_Info, Mode_Value));
-- Add output.
New_Record_Field
(El_List, Conv_Info.Out_Sig_Field, Get_Identifier ("sig_out"),
Get_Object_Type (Out_Info, Mode_Signal));
New_Record_Field
(El_List, Conv_Info.Out_Val_Field, Get_Identifier ("val_out"),
Get_Object_Type (Out_Info, Mode_Value));
Finish_Record_Type (El_List, Conv_Info.Record_Type);
New_Type_Decl (Create_Identifier ("DTYPE"), Conv_Info.Record_Type);
Conv_Info.Record_Ptr_Type := New_Access_Type (Conv_Info.Record_Type);
New_Type_Decl (Create_Identifier ("DPTR"), Conv_Info.Record_Ptr_Type);
-- Declare the subprogram.
Start_Procedure_Decl
(Inter_List, Create_Identifier, O_Storage_Private);
New_Interface_Decl
(Inter_List, Var_Data, Get_Identifier ("data"),
Conv_Info.Record_Ptr_Type);
Finish_Subprogram_Decl (Inter_List, Conv_Info.Subprg);
Start_Subprogram_Body (Conv_Info.Subprg);
Push_Local_Factory;
Open_Temp;
-- Add an access to local block.
V := Create_Temp_Init
(Block_Info.Block_Decls_Ptr_Type,
New_Value_Selected_Acc_Value (New_Obj (Var_Data),
Conv_Info.Instance_Field));
Set_Scope_Via_Param_Ptr (Block_Info.Block_Scope, V);
-- Add an access to instantiated entity.
-- This may be used to do some type checks.
if Conv_Info.Instantiated_Entity /= Null_Iir then
declare
Ptr_Type : O_Tnode;
begin
if Entity_Info.Kind = Kind_Component then
Ptr_Type := Entity_Info.Comp_Ptr_Type;
else
Ptr_Type := Entity_Info.Block_Decls_Ptr_Type;
end if;
V := Create_Temp_Init
(Ptr_Type,
New_Value_Selected_Acc_Value (New_Obj (Var_Data),
Conv_Info.Instantiated_Field));
if Entity_Info.Kind = Kind_Component then
Set_Scope_Via_Param_Ptr (Entity_Info.Comp_Scope, V);
else
Set_Scope_Via_Param_Ptr (Entity_Info.Block_Scope, V);
end if;
end;
end if;
-- Add access to the instantiation-specific data.
-- This is used only for anonymous subtype variables.
-- FIXME: what if STMT is a binding_indication ?
Stmt_Info := Get_Info (Stmt);
if Stmt_Info /= null
and then Has_Scope_Type (Stmt_Info.Block_Scope)
then
Set_Scope_Via_Field (Stmt_Info.Block_Scope,
Stmt_Info.Block_Parent_Field,
Get_Info (Block).Block_Scope'Access);
end if;
-- Read signal value.
case Mode is
when Conv_Mode_In =>
V1 := New_Selected_Acc_Value (New_Obj (Var_Data),
Conv_Info.In_Val_Field);
R := M2E (Lop2M (V1, In_Info, Mode_Value));
when Conv_Mode_Out =>
V1 := New_Selected_Acc_Value (New_Obj (Var_Data),
Conv_Info.In_Sig_Field);
M1 := Lop2M (V1, In_Info, Mode_Signal);
M1 := Chap7.Translate_Signal_Driving_Value (M1, In_Type);
R := M2E (M1);
end case;
case Get_Kind (Imp) is
when Iir_Kind_Function_Call =>
Func := Get_Implementation (Imp);
R := Chap7.Translate_Implicit_Conv
(R, In_Type,
Get_Type (Get_Interface_Declaration_Chain (Func)),
Mode_Value, Assoc);
-- Create result value.
Subprg_Info := Get_Info (Func);
if Subprg_Info.Use_Stack2 then
Create_Temp_Stack2_Mark;
end if;
if Subprg_Info.Res_Interface /= O_Dnode_Null then
-- Composite result.
-- If we need to allocate, do it before starting the call!
declare
Res_Type : constant Iir := Get_Return_Type (Func);
Res_Info : constant Type_Info_Acc := Get_Info (Res_Type);
begin
Res := Create_Temp (Res_Info);
if Res_Info.Type_Mode /= Type_Mode_Fat_Array then
Chap4.Allocate_Complex_Object
(Res_Type, Alloc_Stack, Res);
end if;
end;
end if;
-- Call conversion function.
Start_Association (Constr, Subprg_Info.Subprg_Node);
if Subprg_Info.Res_Interface /= O_Dnode_Null then
-- Composite result.
New_Association (Constr, M2E (Res));
end if;
if Obj /= Null_Iir then
-- Protected object.
New_Association
(Constr,
New_Value (New_Selected_Acc_Value
(New_Obj (Var_Data),
Conv_Info.Method_Object)));
else
Subprgs.Add_Subprg_Instance_Assoc
(Constr, Subprg_Info.Subprg_Instance);
end if;
New_Association (Constr, R);
if Subprg_Info.Res_Interface /= O_Dnode_Null then
-- Composite result.
New_Procedure_Call (Constr);
E := M2E (Res);
else
E := New_Function_Call (Constr);
end if;
Res := E2M
(Chap7.Translate_Implicit_Conv (E, Get_Return_Type (Func),
Out_Type, Mode_Value, Imp),
Get_Info (Out_Type), Mode_Value);
when Iir_Kind_Type_Conversion =>
declare
Conv_Type : constant Iir := Get_Type (Imp);
begin
E := Chap7.Translate_Type_Conversion
(R, In_Type, Conv_Type, Assoc);
E := Chap7.Translate_Implicit_Conv
(E, Conv_Type, Out_Type, Mode_Value, Imp);
Res := E2M (E, Get_Info (Out_Type), Mode_Value);
end;
when others =>
Error_Kind ("Translate_Association_Subprogram", Imp);
end case;
-- Assign signals.
case Mode is
when Conv_Mode_In =>
V1 := New_Selected_Acc_Value (New_Obj (Var_Data),
Conv_Info.Out_Val_Field);
V_Out := Lo2M (V1, Out_Info, Mode_Value);
Chap7.Translate_Assign (V_Out, M2E (Res), Formal, Out_Type, Assoc);
when Conv_Mode_Out =>
V1 := New_Selected_Acc_Value (New_Obj (Var_Data),
Conv_Info.Out_Sig_Field);
V_Out := Lo2M (V1, Out_Info, Mode_Signal);
Chap7.Set_Driving_Value (V_Out, Out_Type, Res);
end case;
Close_Temp;
if Stmt_Info /= null
and then Has_Scope_Type (Stmt_Info.Block_Scope)
then
Clear_Scope (Stmt_Info.Block_Scope);
end if;
if Conv_Info.Instantiated_Entity /= Null_Iir then
if Entity_Info.Kind = Kind_Component then
Clear_Scope (Entity_Info.Comp_Scope);
else
Clear_Scope (Entity_Info.Block_Scope);
end if;
end if;
Clear_Scope (Block_Info.Block_Scope);
Pop_Local_Factory;
Finish_Subprogram_Body;
Pop_Identifier_Prefix (Mark3);
Pop_Identifier_Prefix (Mark2);
end Translate_Association_Subprogram;
procedure Translate_Inertial_Subprogram
(Stmt : Iir;
Block : Iir;
Assoc : Iir;
Inter : Iir;
Num : Iir_Int32;
Base_Block : Iir;
Entity : Iir)
is
pragma Unreferenced (Num);
Formal : constant Iir := Get_Association_Formal (Assoc, Inter);
Actual : constant Iir := Get_Actual (Assoc);
Block_Info : constant Block_Info_Acc := Get_Info (Base_Block);
Assoc_Info : Inertial_Info_Acc;
Inter_List : O_Inter_List;
Entity_Info : Ortho_Info_Acc;
Targ : Mnode;
Val : Mnode;
begin
-- Declare the subprogram.
Assoc_Info := Add_Info (Assoc, Kind_Inertial_Assoc);
Start_Procedure_Decl
(Inter_List, Create_Identifier (Inter, "INERTIAL"),
O_Storage_Private);
New_Interface_Decl (Inter_List, Assoc_Info.Inertial_Inst,
Wki_Instance, Block_Info.Block_Decls_Ptr_Type);
Finish_Subprogram_Decl (Inter_List, Assoc_Info.Inertial_Proc);
-- The body.
New_Debug_Line_Decl (Get_Line_Number (Assoc));
Start_Subprogram_Body (Assoc_Info.Inertial_Proc);
Push_Local_Factory;
-- Access for actual.
Assoc_Info.Inertial_Block := Base_Block;
Set_Scope_Via_Param_Ptr (Block_Info.Block_Scope,
Assoc_Info.Inertial_Inst);
Open_Temp;
-- Access for formals.
if Entity /= Null_Iir then
Entity_Info := Get_Info (Entity);
declare
Inst_Info : constant Block_Info_Acc := Get_Info (Stmt);
V : O_Dnode;
begin
if Entity_Info.Kind = Kind_Component then
Set_Scope_Via_Field (Entity_Info.Comp_Scope,
Inst_Info.Block_Link_Field,
Block_Info.Block_Scope'Access);
else
-- Get access to the directly instantiated entity through
-- the link. The link is a __ghdl_component_link_type which
-- points to the __ghdl_entity_link_type of the entity.
V := Create_Temp_Init
(Entity_Info.Block_Decls_Ptr_Type,
New_Convert_Ov
(New_Value
(New_Selected_Element
(New_Selected_Element
(New_Access_Element (Get_Instance_Access (Block)),
Inst_Info.Block_Link_Field),
Rtis.Ghdl_Component_Link_Instance)),
Entity_Info.Block_Decls_Ptr_Type));
Set_Scope_Via_Param_Ptr (Entity_Info.Block_Scope, V);
end if;
end;
end if;
-- Access for formal.
-- 1. Translate target (translate_name)
Targ := Chap6.Translate_Name (Formal, Mode_Signal);
-- 2. Translate expression
Val := Chap7.Translate_Expression (Actual, Get_Type (Formal));
-- 3. Check bounds match
-- TODO
-- 4. Call Gen_Simple_Signal_Assign
Chap8.Translate_Inertial_Assignment
(Targ, Get_Type (Formal), Val, Assoc);
-- Set_Map_Env (Formal_Env);
if Entity /= Null_Iir then
if Entity_Info.Kind = Kind_Component then
Clear_Scope (Entity_Info.Comp_Scope);
else
Clear_Scope (Entity_Info.Block_Scope);
end if;
end if;
Close_Temp;
Clear_Scope (Block_Info.Block_Scope);
Pop_Local_Factory;
Finish_Subprogram_Body;
end Translate_Inertial_Subprogram;
-- Create subprograms for associations: conversions and inertial assocs.
-- ENTITY is null for block_statement.
procedure Translate_Association_Subprograms
(Stmt : Iir; Block : Iir; Base_Block : Iir; Entity : Iir)
is
Assoc : Iir;
Assoc_Inter : Iir;
Inter : Iir;
Info : Assoc_Info_Acc;
Num : Iir_Int32;
begin
Assoc := Get_Port_Map_Aspect_Chain (Stmt);
Num := 0;
if Is_Null (Entity) then
Assoc_Inter := Get_Port_Chain (Stmt);
else
Assoc_Inter := Get_Port_Chain (Entity);
end if;
while Assoc /= Null_Iir loop
Inter := Get_Association_Interface (Assoc, Assoc_Inter);
case Get_Kind (Assoc) is
when Iir_Kind_Association_Element_By_Name =>
Info := null;
if Get_Actual_Conversion (Assoc) /= Null_Iir then
Info := Add_Info (Assoc, Kind_Assoc);
Translate_Association_Subprogram
(Stmt, Block, Assoc, Inter, Conv_Mode_In, Info.Assoc_In,
Num, Base_Block, Entity);
Num := Num + 1;
end if;
if Get_Formal_Conversion (Assoc) /= Null_Iir then
if Info = null then
Info := Add_Info (Assoc, Kind_Assoc);
end if;
Translate_Association_Subprogram
(Stmt, Block, Assoc, Inter, Conv_Mode_Out, Info.Assoc_Out,
Num, Base_Block, Entity);
Num := Num + 1;
end if;
when Iir_Kind_Association_Element_By_Expression =>
if Get_Expr_Staticness (Get_Actual (Assoc)) = None then
Translate_Inertial_Subprogram
(Stmt, Block, Assoc, Inter, Num, Base_Block, Entity);
end if;
when Iir_Kind_Association_Element_By_Individual
| Iir_Kind_Association_Element_Open =>
null;
when others =>
Error_Kind ("translate_association_subprograms", Assoc);
end case;
Next_Association_Interface (Assoc, Assoc_Inter);
end loop;
end Translate_Association_Subprograms;
-- Register conversion CONV in association between SIG_IN and SIG_OUT.
-- This procedure allocates a record data (described by INFO), fill it
-- with addresses of signals and register it to REG_SUBPRG.
procedure Elab_Conversion (Sig_In : Iir;
Sig_Out : Iir;
Conv : Iir;
Reg_Subprg : O_Dnode;
Info : Assoc_Conv_Info;
Dest_Sig : out Mnode)
is
Out_Type : constant Iir := Get_Type (Sig_Out);
Out_Info : constant Type_Info_Acc := Get_Info (Out_Type);
In_Type : constant Iir := Get_Type (Sig_In);
In_Info : constant Type_Info_Acc := Get_Info (In_Type);
Src_Sig : Mnode;
Src_Val : Mnode;
Dest_Val : Mnode;
Constr : O_Assoc_List;
Var_Data : O_Dnode;
Data : Elab_Signal_Data;
begin
-- Allocate data for the subprogram.
Var_Data := Create_Temp (Info.Record_Ptr_Type);
New_Assign_Stmt
(New_Obj (Var_Data),
Gen_Alloc (Alloc_System,
New_Lit (New_Sizeof (Info.Record_Type, Ghdl_Index_Type)),
Info.Record_Ptr_Type));
-- Set instance.
New_Assign_Stmt
(New_Selected_Acc_Value (New_Obj (Var_Data), Info.Instance_Field),
Get_Instance_Access (Info.Instance_Block));
-- Set instantiated unit instance (if any).
if Info.Instantiated_Entity /= Null_Iir then
declare
Inst_Addr : O_Enode;
Inst_Info : Ortho_Info_Acc;
begin
if Get_Kind (Info.Instantiated_Entity)
= Iir_Kind_Component_Declaration
then
Inst_Info := Get_Info (Info.Instantiated_Entity);
Inst_Addr := New_Address
(Get_Instance_Ref (Inst_Info.Comp_Scope),
Inst_Info.Comp_Ptr_Type);
else
Inst_Addr := Get_Instance_Access (Info.Instantiated_Entity);
end if;
New_Assign_Stmt
(New_Selected_Acc_Value (New_Obj (Var_Data),
Info.Instantiated_Field),
Inst_Addr);
end;
end if;
if Info.Method_Object /= O_Fnode_Null then
New_Assign_Stmt
(New_Selected_Acc_Value (New_Obj (Var_Data),
Info.Method_Object),
M2E (Chap6.Translate_Name
(Get_Method_Object (Conv), Mode_Value)));
end if;
-- Set input.
Chap6.Translate_Signal_Name (Sig_In, Src_Sig, Src_Val);
Src_Sig := Stabilize (Src_Sig, True);
Assign_Obj_Ptr (Lop2M (New_Selected_Acc_Value (New_Obj (Var_Data),
Info.In_Sig_Field),
In_Info, Mode_Signal),
Src_Sig);
Assign_Obj_Ptr (Lop2M (New_Selected_Acc_Value (New_Obj (Var_Data),
Info.In_Val_Field),
In_Info, Mode_Value),
Src_Val);
-- Create a copy of SIG_OUT.
Dest_Sig := Lo2M (New_Selected_Acc_Value (New_Obj (Var_Data),
Info.Out_Sig_Field),
Out_Info, Mode_Signal);
Chap4.Allocate_Complex_Object (Out_Type, Alloc_System, Dest_Sig);
Dest_Val := Lo2M (New_Selected_Acc_Value (New_Obj (Var_Data),
Info.Out_Val_Field),
Out_Info, Mode_Value);
Chap4.Allocate_Complex_Object (Out_Type, Alloc_System, Dest_Val);
-- Note: NDEST will be assigned by ELAB_SIGNAL.
Dest_Sig := Lo2M (New_Selected_Acc_Value (New_Obj (Var_Data),
Info.Out_Sig_Field),
Out_Info, Mode_Signal);
Dest_Val := Lo2M (New_Selected_Acc_Value (New_Obj (Var_Data),
Info.Out_Val_Field),
Out_Info, Mode_Value);
Data := Elab_Signal_Data'(Value => Dest_Val,
Has_Val => False,
Already_Resolved => True,
Init_Val => Mnode_Null,
Check_Null => False,
If_Stmt => null);
Elab_Signal (Dest_Sig, Out_Type, Data);
Dest_Sig := Lo2M (New_Selected_Acc_Value (New_Obj (Var_Data),
Info.Out_Sig_Field),
Out_Info, Mode_Signal);
Dest_Sig := Stabilize (Dest_Sig, True);
-- Register.
Start_Association (Constr, Reg_Subprg);
New_Association
(Constr, New_Lit (New_Subprogram_Address (Info.Subprg,
Ghdl_Ptr_Type)));
New_Association
(Constr, New_Convert_Ov (New_Obj_Value (Var_Data), Ghdl_Ptr_Type));
New_Association
(Constr,
New_Convert_Ov (M2E (Get_Leftest_Signal (Src_Sig, Get_Type (Sig_In))),
Ghdl_Signal_Ptr));
New_Association
(Constr, Get_Nbr_Signals (Src_Sig, Get_Type (Sig_In)));
New_Association
(Constr,
New_Convert_Ov (M2E (Get_Leftest_Signal (Dest_Sig,
Get_Type (Sig_Out))),
Ghdl_Signal_Ptr));
New_Association
(Constr, Get_Nbr_Signals (Dest_Sig, Get_Type (Sig_Out)));
New_Procedure_Call (Constr);
end Elab_Conversion;
-- In conversion: from actual to formal.
procedure Elab_In_Conversion (Assoc : Iir; Formal : Iir; Ndest : out Mnode)
is
Assoc_Info : constant Assoc_Info_Acc := Get_Info (Assoc);
begin
Elab_Conversion
(Get_Actual (Assoc), Formal, Get_Actual_Conversion (Assoc),
Ghdl_Signal_In_Conversion, Assoc_Info.Assoc_In, Ndest);
end Elab_In_Conversion;
-- Out conversion: from formal to actual.
procedure Elab_Out_Conversion (Assoc : Iir; Formal : Iir; Ndest : out Mnode)
is
-- Note: because it's an out conversion, the formal of ASSOC is set.
-- Still pass INTER for coherence with Elab_In_Conversion.
Assoc_Info : constant Assoc_Info_Acc := Get_Info (Assoc);
begin
Elab_Conversion
(Formal, Get_Actual (Assoc), Get_Formal_Conversion (Assoc),
Ghdl_Signal_Out_Conversion, Assoc_Info.Assoc_Out, Ndest);
end Elab_Out_Conversion;
-- Create a record that describe thes location of an IIR node and
-- returns the address of it.
function Get_Location (N : Iir) return O_Dnode
is
Constr : O_Record_Aggr_List;
Aggr : O_Cnode;
Name : Name_Id;
Line : Natural;
Col : Natural;
C : O_Dnode;
begin
Files_Map.Location_To_Position (Get_Location (N), Name, Line, Col);
New_Const_Decl (C, Create_Uniq_Identifier, O_Storage_Private,
Ghdl_Location_Type_Node);
Start_Init_Value (C);
Start_Record_Aggr (Constr, Ghdl_Location_Type_Node);
New_Record_Aggr_El
(Constr, New_Global_Address (New_Global (Current_Filename_Node),
Char_Ptr_Type));
New_Record_Aggr_El (Constr, New_Signed_Literal (Ghdl_I32_Type,
Integer_64 (Line)));
New_Record_Aggr_El (Constr, New_Signed_Literal (Ghdl_I32_Type,
Integer_64 (Col)));
Finish_Record_Aggr (Constr, Aggr);
Finish_Init_Value (C, Aggr);
return C;
--return New_Global_Address (C, Ghdl_Location_Ptr_Node);
end Get_Location;
end Trans.Chap4;
|