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 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051 4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063 4064 4065 4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133 4134 4135 4136 4137 4138 4139 4140 4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233 4234 4235 4236 4237 4238 4239 4240 4241 4242 4243 4244 4245 4246 4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447 4448 4449 4450 4451 4452 4453 4454 4455 4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 4471 4472 4473 4474 4475 4476 4477 4478 4479 4480 4481 4482 4483 4484 4485 4486 4487 4488 4489 4490 4491 4492 4493 4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510 4511 4512 4513 4514 4515 4516 4517 4518 4519 4520 4521 4522 4523 4524 4525 4526 4527 4528 4529 4530 4531 4532 4533 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549 4550 4551 4552 4553 4554 4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567 4568 4569 4570 4571 4572 4573 4574 4575 4576 4577 4578 4579 4580 4581 4582 4583 4584 4585 4586 4587 4588 4589 4590 4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601 4602 4603 4604 4605 4606 4607 4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629 4630 4631 4632 4633 4634 4635 4636 4637 4638 4639 4640 4641 4642 4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 4656 4657 4658 4659 4660 4661 4662 4663 4664 4665 4666 4667 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679 4680 4681 4682 4683 4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702 4703 4704 4705 4706 4707 4708 4709 4710 4711 4712 4713 4714 4715 4716 4717 4718 4719 4720 4721 4722 4723 4724 4725 4726 4727 4728 4729 4730 4731 4732 4733 4734 4735 4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761 4762 4763 4764 4765 4766 4767 4768 4769 4770 4771 4772 4773 4774 4775 4776 4777 4778 4779 4780 4781 4782 4783 4784 4785 4786 4787 4788 4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810 4811 4812 4813 4814 4815 4816 4817 4818 4819 4820 4821 4822 4823 4824 4825 4826 4827 4828 4829 4830 4831 4832 4833 4834 4835 4836 4837 4838 4839 4840 4841 4842 4843 4844 4845 4846 4847 4848 4849 4850 4851 4852 4853 4854 4855 4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879 4880 4881 4882 4883 4884 4885 4886 4887 4888 4889 4890 4891 4892 4893 4894 4895 4896 4897 4898 4899 4900 4901 4902 4903 4904 4905 4906 4907 4908 4909 4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929 4930 4931 4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962 4963 4964 4965 4966 4967 4968 4969 4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981 4982 4983 4984 4985 4986 4987 4988 4989 4990 4991 4992 4993 4994 4995 4996 4997 4998 4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016 5017 5018 5019 5020 5021 5022 5023 5024 5025 5026 5027 5028 5029 5030 5031 5032 5033 5034 5035 5036 5037 5038 5039 5040 5041 5042 5043 5044 5045 5046 5047 5048 5049 5050 5051 5052 5053 5054 5055 5056 5057 5058 5059 5060 5061 5062 5063 5064 5065 5066 5067 5068 5069 5070 5071 5072 5073 5074 5075 5076 5077 5078 5079 5080 5081 5082 5083 5084 5085 5086 5087 5088 5089 5090 5091 5092 5093 5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104 5105 5106 5107 5108 5109 5110 5111 5112 5113 5114 5115 5116 5117 5118 5119 5120 5121 5122 5123 5124 5125 5126 5127 5128 5129 5130 5131 5132 5133 5134 5135 5136 5137 5138 5139 5140 5141 5142 5143 5144 5145 5146 5147 5148 5149 5150 5151 5152 5153 5154 5155 5156 5157 5158 5159 5160 5161 5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178 5179 5180 5181 5182 5183 5184 5185 5186 5187 5188 5189 5190 5191 5192 5193 5194 5195 5196 5197 5198 5199 5200 5201 5202 5203 5204 5205 5206 5207 5208 5209 5210 5211 5212 5213 5214 5215 5216 5217 5218 5219 5220 5221 5222 5223 5224 5225 5226 5227 5228 5229 5230 5231 5232 5233 5234 5235 5236 5237 5238 5239 5240 5241 5242 5243 5244 5245 5246 5247 5248 5249 5250 5251 5252 5253 5254 5255 5256 5257 5258 5259 5260 5261 5262 5263 5264 5265 5266 5267 5268 5269 5270 5271 5272 5273 5274 5275 5276 5277 5278 5279 5280 5281 5282 5283 5284 5285 5286 5287 5288 5289 5290 5291 5292 5293 5294 5295 5296 5297 5298 5299 5300 5301 5302 5303 5304 5305 5306 5307 5308 5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324 5325 5326 5327 5328 5329 5330 5331 5332 5333 5334 5335 5336 5337 5338 5339 5340 5341 5342 5343 5344 5345 5346 5347 5348 5349 5350 5351 5352 5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364 5365 5366 5367 5368 5369 5370 5371 5372 5373 5374 5375 5376 5377 5378 5379 5380 5381 5382 5383 5384 5385 5386 5387 5388 5389 5390 5391 5392 5393 5394 5395 5396 5397 5398 5399 5400 5401 5402 5403 5404 5405 5406 5407 5408 5409 5410 5411 5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437 5438 5439 5440 5441 5442 5443 5444 5445 5446 5447 5448 5449 5450 5451 5452 5453 5454 5455 5456 5457 5458 5459 5460 5461 5462 5463 5464 5465 5466 5467 5468 5469 5470 5471 5472 5473 5474 5475 5476 5477 5478 5479 5480 5481 5482 5483 5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552 5553 5554 5555 5556 5557 5558 5559 5560 5561 5562 5563 5564 5565 5566 5567 5568 5569 5570 5571 5572 5573 5574 5575 5576 5577 5578 5579 5580 5581 5582 5583 5584 5585 5586 5587 5588 5589 5590 5591 5592 5593 5594 5595 5596 5597 5598 5599 5600 5601 5602 5603 5604 5605 5606 5607 5608 5609 5610 5611 5612 5613 5614 5615 5616 5617 5618 5619 5620 5621 5622 5623 5624 5625 5626 5627 5628 5629 5630 5631 5632 5633 5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 5647 5648 5649 5650 5651 5652 5653 5654 5655 5656 5657 5658 5659 5660 5661 5662 5663 5664 5665 5666 5667 5668 5669 5670 5671 5672 5673 5674 5675 5676 5677 5678 5679 5680 5681 5682 5683 5684 5685 5686 5687 5688 5689 5690 5691 5692 5693 5694 5695 5696 5697 5698 5699 5700 5701 5702 5703 5704 5705 5706 5707 5708 5709 5710 5711 5712 5713 5714 5715 5716 5717 5718 5719 5720 5721 5722 5723 5724 5725 5726 5727 5728 5729 5730 5731 5732 5733 5734 5735 5736 5737 5738 5739 5740 5741 5742 5743 5744 5745 5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766 5767 5768 5769 5770 5771 5772 5773 5774 5775 5776 5777 5778 5779 5780 5781 5782 5783 5784 5785 5786 5787 5788 5789 5790 5791 5792 5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809 5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823 5824 5825 5826 5827 5828 5829 5830 5831 5832 5833 5834 5835 5836 5837 5838 5839 5840 5841 5842 5843 5844 5845 5846 5847 5848 5849 5850 5851 5852 5853 5854 5855 5856 5857 5858 5859 5860 5861 5862 5863 5864 5865 5866 5867 5868 5869 5870 5871 5872 5873 5874 5875 5876 5877 5878 5879 5880 5881 5882 5883 5884 5885 5886 5887 5888 5889 5890 5891 5892 5893 5894 5895 5896 5897 5898 5899 5900 5901 5902 5903 5904 5905 5906 5907 5908 5909 5910 5911 5912 5913 5914 5915 5916 5917 5918 5919 5920 5921 5922 5923 5924 5925 5926 5927 5928 5929 5930 5931 5932 5933 5934 5935 5936 5937 5938 5939 5940 5941 5942 5943 5944 5945 5946 5947 5948 5949 5950 5951 5952 5953 5954 5955 5956 5957 5958 5959 5960 5961 5962 5963 5964 5965 5966 5967 5968 5969 5970 5971 5972 5973 5974 5975 5976 5977 5978 5979 5980 5981 5982 5983 5984 5985 5986 5987 5988 5989 5990 5991 5992 5993 5994 5995 5996 5997 5998 5999 6000 6001 6002 6003 6004 6005 6006 6007 6008 6009 6010 6011 6012 6013 6014 6015 6016 6017 6018 6019 6020 6021 6022 6023 6024 6025 6026 6027 6028 6029 6030 6031 6032 6033 6034 6035 6036 6037 6038 6039 6040 6041 6042 6043 6044 6045 6046 6047 6048 6049 6050 6051 6052 6053 6054 6055 6056 6057 6058 6059 6060 6061 6062 6063 6064 6065 6066 6067 6068 6069 6070 6071 6072 6073 6074 6075 6076 6077 6078 6079 6080 6081 6082 6083 6084 6085 6086 6087 6088 6089 6090 6091 6092 6093 6094 6095 6096 6097 6098 6099 6100 6101 6102 6103 6104 6105 6106 6107 6108 6109 6110 6111 6112 6113 6114 6115 6116 6117 6118 6119 6120 6121 6122 6123 6124 6125 6126 6127 6128 6129 6130 6131 6132 6133 6134 6135 6136 6137 6138 6139 6140 6141 6142 6143 6144 6145 6146 6147 6148 6149 6150 6151 6152 6153 6154 6155 6156 6157 6158 6159 6160 6161 6162 6163 6164 6165 6166 6167 6168 6169 6170 6171 6172 6173 6174 6175 6176 6177 6178 6179 6180 6181 6182 6183 6184 6185 6186 6187 6188 6189 6190 6191 6192 6193 6194 6195 6196 6197 6198 6199 6200 6201 6202 6203 6204 6205 6206 6207 6208 6209 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 6220 6221 6222 6223 6224 6225 6226 6227 6228 6229 6230 6231 6232 6233 6234 6235 6236 6237 6238 6239 6240 6241 6242 6243 6244 6245 6246 6247 6248 6249 6250 6251 6252 6253 6254 6255 6256 6257 6258 6259 6260 6261 6262 6263 6264 6265 6266 6267 6268 6269 6270 6271 6272 6273 6274 6275 6276 6277 6278 6279 6280 6281 6282 6283 6284 6285 6286 6287 6288 6289 6290 6291 6292 6293 6294 6295 6296 6297 6298 6299 6300 6301 6302 6303 6304 6305 6306 6307 6308 6309 6310 6311 6312 6313 6314 6315 6316 6317 6318 6319 6320 6321 6322 6323 6324 6325 6326 6327 6328 6329 6330 6331 6332 6333 6334 6335 6336 6337 6338 6339 6340 6341 6342 6343 6344 6345 6346 6347 6348 6349 6350 6351 6352 6353 6354 6355 6356 6357 6358 6359 6360 6361 6362 6363 6364 6365 6366 6367 6368 6369 6370 6371 6372 6373 6374 6375 6376 6377 6378 6379 6380 6381 6382 6383 6384 6385 6386 6387 6388 6389 6390 6391 6392 6393 6394 6395 6396 6397 6398 6399 6400 6401 6402 6403 6404 6405 6406 6407 6408 6409 6410 6411 6412 6413 6414 6415 6416 6417 6418 6419 6420 6421 6422 6423 6424 6425 6426 6427 6428 6429 6430 6431 6432 6433 6434 6435 6436 6437 6438 6439 6440 6441 6442 6443 6444 6445 6446 6447 6448 6449 6450 6451 6452 6453 6454 6455 6456 6457 6458 6459 6460 6461 6462 6463 6464 6465 6466 6467 6468 6469 6470 6471 6472 6473 6474 6475 6476 6477 6478 6479 6480 6481 6482 6483 6484 6485 6486 6487 6488 6489 6490 6491 6492 6493 6494 6495 6496 6497 6498 6499 6500 6501 6502 6503 6504 6505 6506 6507 6508 6509 6510 6511 6512 6513 6514 6515 6516 6517 6518 6519 6520 6521 6522 6523 6524 6525 6526 6527 6528 6529 6530 6531 6532 6533 6534 6535 6536 6537 6538 6539 6540 6541 6542 6543 6544 6545 6546 6547 6548 6549 6550 6551 6552 6553 6554 6555 6556 6557 6558 6559 6560 6561 6562 6563 6564 6565 6566 6567 6568 6569 6570 6571 6572 6573 6574 6575 6576 6577 6578 6579 6580 6581 6582 6583 6584 6585 6586 6587 6588 6589 6590 6591 6592 6593 6594 6595 6596 6597 6598 6599 6600 6601 6602 6603 6604 6605 6606 6607 6608 6609 6610 6611 6612 6613 6614 6615 6616 6617 6618 6619 6620 6621 6622 6623 6624 6625 6626 6627 6628 6629 6630 6631 6632 6633 6634 6635 6636 6637 6638 6639 6640 6641 6642 6643 6644 6645 6646 6647 6648 6649 6650 6651 6652 6653 6654 6655 6656 6657 6658 6659 6660 6661 6662 6663 6664 6665 6666 6667 6668 6669 6670 6671 6672 6673 6674 6675 6676 6677 6678 6679 6680 6681 6682 6683 6684 6685 6686 6687 6688 6689 6690 6691 6692 6693 6694 6695 6696 6697 6698 6699 6700 6701 6702 6703 6704 6705 6706 6707 6708 6709 6710 6711 6712 6713 6714 6715 6716 6717 6718 6719 6720 6721 6722 6723 6724 6725 6726 6727 6728 6729 6730 6731 6732 6733 6734 6735 6736 6737 6738 6739 6740 6741 6742 6743 6744 6745 6746 6747 6748 6749 6750 6751 6752 6753 6754 6755 6756 6757 6758 6759 6760 6761 6762 6763 6764 6765 6766 6767 6768 6769 6770 6771 6772 6773 6774 6775 6776 6777 6778 6779 6780 6781 6782 6783 6784 6785 6786 6787 6788 6789 6790 6791 6792 6793 6794 6795 6796 6797 6798 6799 6800 6801 6802 6803 6804 6805 6806 6807 6808 6809 6810 6811 6812 6813 6814 6815 6816 6817 6818 6819 6820 6821 6822 6823 6824 6825 6826 6827 6828 6829 6830 6831 6832 6833 6834 6835 6836 6837 6838 6839 6840 6841 6842 6843 6844 6845 6846 6847 6848 6849 6850 6851 6852 6853 6854 6855 6856 6857 6858 6859 6860 6861 6862 6863 6864 6865 6866 6867 6868 6869 6870 6871 6872 6873 6874 6875 6876 6877 6878 6879 6880 6881 6882 6883 6884 6885 6886 6887 6888 6889 6890 6891 6892 6893 6894 6895 6896 6897 6898 6899 6900 6901 6902 6903 6904 6905 6906 6907 6908 6909 6910 6911 6912 6913 6914 6915 6916 6917 6918 6919 6920 6921 6922 6923 6924 6925 6926 6927 6928 6929 6930 6931 6932 6933 6934 6935 6936 6937 6938 6939 6940 6941 6942 6943 6944 6945 6946 6947 6948 6949 6950 6951 6952 6953 6954 6955 6956 6957 6958 6959 6960 6961 6962 6963 6964 6965 6966 6967 6968 6969 6970 6971 6972 6973 6974 6975 6976 6977 6978 6979 6980 6981 6982 6983 6984 6985 6986 6987 6988 6989 6990 6991 6992 6993 6994 6995 6996 6997 6998 6999 7000 7001 7002 7003 7004 7005 7006 7007 7008 7009 7010 7011 7012 7013 7014 7015 7016 7017 7018 7019 7020 7021 7022 7023 7024 7025 7026 7027 7028 7029 7030 7031 7032 7033 7034 7035 7036 7037 7038 7039 7040 7041 7042 7043 7044 7045 7046 7047 7048 7049 7050 7051 7052 7053 7054 7055 7056 7057 7058 7059 7060 7061 7062 7063 7064 7065 7066 7067 7068 7069 7070 7071 7072 7073 7074 7075 7076 7077 7078 7079 7080 7081 7082 7083 7084 7085 7086 7087 7088 7089 7090 7091 7092 7093 7094 7095 7096 7097 7098 7099 7100 7101 7102 7103 7104 7105 7106 7107 7108 7109 7110 7111 7112 7113 7114 7115 7116 7117 7118 7119 7120 7121 7122 7123 7124 7125 7126 7127 7128 7129 7130 7131 7132 7133 7134 7135 7136 7137 7138 7139 7140 7141 7142 7143 7144 7145 7146 7147 7148 7149 7150 7151 7152 7153 7154 7155 7156 7157 7158 7159 7160 7161 7162 7163 7164 7165 7166 7167 7168 7169 7170 7171 7172 7173 7174 7175 7176 7177 7178 7179 7180 7181 7182 7183 7184 7185 7186 7187 7188 7189 7190 7191 7192 7193 7194 7195 7196 7197 7198 7199 7200 7201 7202 7203 7204 7205 7206 7207 7208 7209 7210 7211 7212 7213 7214 7215 7216 7217 7218 7219 7220 7221 7222 7223 7224 7225 7226 7227 7228 7229 7230 7231 7232 7233 7234 7235 7236 7237 7238 7239 7240 7241 7242 7243 7244 7245 7246 7247 7248 7249 7250 7251 7252 7253 7254 7255 7256 7257 7258 7259 7260 7261 7262 7263 7264 7265 7266 7267 7268 7269 7270 7271 7272 7273 7274 7275 7276 7277 7278 7279 7280 7281 7282 7283 7284 7285 7286 7287 7288 7289 7290 7291 7292
|
------------------------------------------------------------------------------
-- G N A T C O L L --
-- --
-- Copyright (C) 2011-2022, AdaCore --
-- --
-- This is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. This software is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public --
-- License for more details. You should have received a copy of the GNU --
-- General Public License distributed with this software; see file --
-- COPYING3. If not, go to http://www.gnu.org/licenses for a complete copy --
-- of the license. --
------------------------------------------------------------------------------
with Ada.Calendar; use Ada, Ada.Calendar;
with Ada.Characters.Handling; use Ada.Characters.Handling;
with Ada.Containers; use Ada.Containers;
with Ada.Containers.Doubly_Linked_Lists;
with Ada.Containers.Hashed_Maps;
with Ada.Containers.Vectors;
with Ada.Strings.Fixed;
with Ada.Strings.Maps;
with Ada.Unchecked_Deallocation;
with GNAT.Calendar.Time_IO; use GNAT.Calendar.Time_IO;
with GNAT.Regpat;
with GNAT.OS_Lib;
with GNATCOLL.Xref.Database; use GNATCOLL.Xref.Database;
with GNATCOLL.Mmap; use GNATCOLL.Mmap;
with GNATCOLL.SQL; use GNATCOLL.SQL;
with GNATCOLL.SQL.Inspect; use GNATCOLL.SQL.Inspect;
with GNATCOLL.SQL.Sqlite;
with GNATCOLL.Traces; use GNATCOLL.Traces;
with GNATCOLL.Utils; use GNATCOLL.Utils;
with GNATCOLL.VFS; use GNATCOLL.VFS;
package body GNATCOLL.Xref is
use Library_Info_Lists;
Me_Error : constant Trace_Handle := Create ("ENTITIES.ERROR", On);
Me_Parsing : constant Trace_Handle := Create ("ENTITIES.PARSING", On);
Me_Debug : constant Trace_Handle := Create ("ENTITIES.DEBUG", Off);
Me_Forward : constant Trace_Handle := Create ("ENTITIES.FORWARD", Off);
Me_Timing : constant Trace_Handle := Create ("ENTITIES.TIMING");
Me_Use_WAL : constant Trace_Handle := Create ("ENTITIES.USE_WAL", On);
-- Whether to use WAL journaling
Me_Commit_Before_Indexes : constant Trace_Handle :=
Create ("ENTITIES.COMMIT_BEFORE_INDEXES", On);
-- If set, a COMMIT is done before we recreate the indexes, so that GPS
-- can still making (slow) queries immediately.
Schema_Version : constant Integer := 3;
-- The current version of the database schema.
-- Actual databases must match the version number exactly.
-- 2: added files.project
-- 3: initialized files with a default project (this came later)
Instances_Provide_Column : constant Boolean := False;
-- Whether instance info in the ALI files provide the column information.
-- This is not the case currently, but this requires additional queries
-- that could be avoided otherwise.
ALI_Contains_External_Refs : constant Boolean := True;
-- Given U is the set of units for a given ALI file (corresponding to the
-- U lines).
-- This variable should be set to True if an ALI file can contain
-- references to entities defined in a file not in U, when the reference is
-- also not in a file from U.
-- The parser does extra tests in this case to remove duplicate references
-- that would occur in the database otherwise.
-- This must be left to True when parsing .gli files since these do have
-- duplicates. However, this constant was left as a documentation of the
-- impact this has on the parsing of ALI files.
Memory_Threshold : constant Ada.Containers.Count_Type := 150_000;
-- Number of LI files to update after which we will use a temporary
-- in-memory copy of the database. This is computed as such:
-- on the GPS project, it takes about .0230s per LI file when db is in
-- memory; but we need 5.822s to recreate the indexes and about 6s to
-- dump the database from memory to the disk.
-- When working directly on the disk, it takes about .082s per file,
-- with no additional cost.
-- This gives a threshold of about 190 for my machine.
Indexes_Threshold : constant Ada.Containers.Count_Type := 190;
-- When reloading more than that many LI files, we first destroy the
-- indexes and then recreate them
Column_Tolerance : constant Natural := 80;
-- Tolerance in columns when looking for approximate entity declarations.
No_File_Id : constant Integer := -1;
No_Project_Id : constant Integer := -2;
-- Id of 'no project' in the files table
function Compare_Files
(Field1 : SQL_Field_Text'Class;
Field2 : Text_Fields.Field'Class) return SQL_Criteria;
function Compare_Files
(Field1 : SQL_Field_Text'Class; Name : String) return SQL_Criteria;
-- Compare (possibly case-insensitive) file names. This should only be
-- used to replace "=", not to replace "like"
-------------------
-- Compare_Files --
-------------------
function Compare_Files
(Field1 : SQL_Field_Text'Class;
Field2 : Text_Fields.Field'Class) return SQL_Criteria is
begin
-- No need to check for case sensitivity here, the database column
-- itself is marked as case insensitive when needed, which allows
-- sqlite to use the indexes to perform the queries.
-- if Is_Case_Sensitive (Local_FS) then
return Field1 = Field2;
end Compare_Files;
-------------------
-- Compare_Files --
-------------------
function Compare_Files
(Field1 : SQL_Field_Text'Class; Name : String) return SQL_Criteria is
begin
return Field1 = Name;
end Compare_Files;
N_Files2 : aliased String := "f2";
Files2 : T_Files (N_Files2'Access);
N_Files3 : aliased String := "f3";
Files3 : T_Files (N_Files3'Access);
N_Files4 : aliased String := "f4";
Files4 : T_Files (N_Files4'Access);
N_Entities2 : aliased String := "e2";
Entities2 : T_Entities (N_Entities2'Access);
N_E2E2 : aliased String := "e2e2";
E2E2 : T_E2e (N_E2E2'Access);
Query_Get_File : constant Prepared_Statement :=
Prepare
(SQL_Select
(Database.Files.Id
& Database.Files.Stamp
& Database.Files.Language,
From => Database.Files,
Where => Compare_Files (Database.Files.Path, Text_Param (1)),
Limit => 1),
On_Server => True, Name => "get_file");
-- Retrieve the info for a file given its path. Should only be used for
-- project files and ALI files.
Query_Get_File_And_Project : constant Prepared_Statement :=
Prepare
(SQL_Select
(Database.Files.Id
& Database.Files.Stamp
& Database.Files.Language,
From => Database.Files & Files3,
Where => Compare_Files (Database.Files.Path, Text_Param (1))
and Database.Files.Project = Integer_Param (2),
Limit => 1),
On_Server => True, Name => "get_file_and_project");
-- Retrieve the info for a source file given its path and its project
Query_Update_LI_File : constant Prepared_Statement :=
Prepare
(SQL_Update
(Set => Database.Files.Stamp = Time_Param (2),
Table => Database.Files,
Where => Database.Files.Id = Integer_Param (1)),
On_Server => True, Name => "update_li_file");
Query_Insert_LI_File : constant Prepared_Statement :=
Prepare
(SQL_Insert
((Database.Files.Path = Text_Param (1))
& (Database.Files.Stamp = Time_Param (2))
& (Database.Files.Language = "li")),
On_Server => True, Name => "insert_li_file");
Query_Insert_Project_File : constant Prepared_Statement :=
Prepare
(SQL_Insert
((Database.Files.Path = Text_Param (1))
& (Database.Files.Language = "project")),
On_Server => True, Name => "insert_project_file");
Query_Insert_Source_File : constant Prepared_Statement :=
Prepare
(SQL_Insert
((Database.Files.Path = Text_Param (1))
& (Database.Files.Language = Text_Param (2))
& (Database.Files.Project = Integer_Param (3))),
On_Server => True, Name => "insert_source_file");
Query_Set_File_Dep : constant Prepared_Statement :=
Prepare
(SQL_Insert
((Database.F2f.Fromfile = Integer_Param (1))
& (Database.F2f.Tofile = Integer_Param (2))
& (Database.F2f.Kind = F2f_Withs),
Qualifier => "OR IGNORE"), -- ignore duplicates),
On_Server => True, Name => "set_file_dep");
Query_Set_ALI : constant Prepared_Statement :=
Prepare
(SQL_Insert
((Database.F2f.Fromfile = Integer_Param (1))
& (Database.F2f.Tofile = Integer_Param (2))
& (Database.F2f.Kind = F2f_Has_Ali),
Qualifier => "OR IGNORE" -- ignore duplicates
),
On_Server => True, Name => "set_ali");
Query_Get_ALI : constant Prepared_Statement :=
Prepare
(SQL_Select
(Database.Files.Path & Database.Files.Stamp,
From => Database.Files & Files2 & Database.F2f,
Where => Compare_Files (Files2.Path, Text_Param (1))
and Database.F2f.Fromfile = Files2.Id
and Database.F2f.Tofile = Database.Files.Id
and Database.F2f.Kind = F2f_Has_Ali),
On_Server => False, Name => "li_from_source");
Query_Insert_Entity : constant Prepared_Statement :=
Prepare
(SQL_Insert
((Database.Entities.Name = Text_Param (1))
& (Database.Entities.Kind = Text_Param (2))
& (Database.Entities.Decl_File = Integer_Param (3))
& (Database.Entities.Decl_Line = Integer_Param (4))
& (Database.Entities.Decl_Column = Integer_Param (5))
& (Database.Entities.Is_Global = Boolean_Param (6))
& (Database.Entities.Is_Static_Local = Boolean_Param (7))),
On_Server => True, Name => "insert_entity");
Query_Insert_Entity_With_Mangled : constant Prepared_Statement :=
Prepare
(SQL_Insert
((Database.Entities.Name = Text_Param (1))
& (Database.Entities.Kind = Text_Param (2))
& (Database.Entities.Decl_File = Integer_Param (3))
& (Database.Entities.Decl_Line = Integer_Param (4))
& (Database.Entities.Decl_Column = Integer_Param (5))
& (Database.Entities.Mangled_Name = Text_Param (6))
& (Database.Entities.Exported = True)
& (Database.Entities.Is_Global = Boolean_Param (7))
& (Database.Entities.Is_Static_Local = Boolean_Param (8))),
On_Server => True, Name => "insert_entity_with_mangled");
Query_Set_Entity_Mangled_Name : constant Prepared_Statement :=
Prepare
(SQL_Update
(Table => Database.Entities,
Set => (Database.Entities.Mangled_Name = Text_Param (2))
& (Database.Entities.Exported = Boolean_Param (3)),
Where => Database.Entities.Id = Integer_Param (1)),
On_Server => True, Name => "set_mangled");
Query_Insert_Ref : constant Prepared_Statement :=
Prepare
(SQL_Insert
((Database.Entity_Refs.Entity = Integer_Param (1))
& (Database.Entity_Refs.File = Integer_Param (2))
& (Database.Entity_Refs.Line = Integer_Param (3))
& (Database.Entity_Refs.Column = Integer_Param (4))
& (Database.Entity_Refs.Kind = Text_Param (5))
& (Database.Entity_Refs.From_Instantiation = Text_Param (6))),
On_Server => True, Name => "insert_ref");
Query_Insert_Ref_With_Caller : constant Prepared_Statement :=
Prepare
(SQL_Insert
((Database.Entity_Refs.Entity = Integer_Param (1))
& (Database.Entity_Refs.File = Integer_Param (2))
& (Database.Entity_Refs.Line = Integer_Param (3))
& (Database.Entity_Refs.Column = Integer_Param (4))
& (Database.Entity_Refs.Kind = Text_Param (5))
& (Database.Entity_Refs.From_Instantiation = Text_Param (6))
& (Database.Entity_Refs.Caller = Integer_Param (7))),
On_Server => True, Name => "insert_ref_with_caller");
Query_Insert_E2E : constant Prepared_Statement :=
Prepare
(SQL_Insert
((Database.E2e.Fromentity = Integer_Param (1))
& (Database.E2e.Toentity = Integer_Param (2))
& (Database.E2e.Kind = Integer_Param (3))
& (Database.E2e.Order_By = Integer_Param (4)),
Qualifier => "OR IGNORE" -- do not insert duplicates
),
On_Server => True, Name => "insert_e2e");
Query_Find_Entity_From_Decl : constant Prepared_Statement :=
Prepare
(SQL_Select
(Database.Entities.Id & Database.Entities.Name,
From => Database.Entities,
Where => Database.Entities.Decl_File = Integer_Param (1)
and Database.Entities.Decl_Line = Integer_Param (2)
and Database.Entities.Decl_Column = Integer_Param (3)),
On_Server => True, Name => "entity_from_decl");
Query_Find_Entity_From_Decl_No_Column : constant Prepared_Statement :=
Prepare
(SQL_Select
(Database.Entities.Id & Database.Entities.Name,
From => Database.Entities,
Where => Database.Entities.Decl_File = Integer_Param (1)
and Database.Entities.Decl_Line = Integer_Param (2)),
On_Server => True, Name => "entity_from_decl_no_column");
Query_Find_Predefined_Entity : constant Prepared_Statement :=
Prepare
(SQL_Select
(Database.Entities.Id & Database.Entities.Name,
From => Database.Entities,
Where => Database.Entities.Decl_File = -1
and Database.Entities.Decl_Line = -1
and Database.Entities.Decl_Column = -1
and Database.Entities.Name = Text_Param (1),
Limit => 1),
On_Server => True, Name => "predefined_entity");
-- Get an entity's id given the location of its declaration. In sqlite3,
-- this is implemented as a single table lookup thanks to the multi-column
-- covering index we created.
Query_Set_Entity_Renames : constant Prepared_Statement :=
Prepare
(SQL_Insert
(Values => (Database.E2e.Fromentity = Integer_Param (1))
& (Database.E2e.Toentity = Database.Entity_Refs.Entity)
& (Database.E2e.Kind = Integer_Param (5)),
Where => Database.Entity_Refs.File = Integer_Param (2)
and Database.Entity_Refs.Line = Integer_Param (3)
and Database.Entity_Refs.Column = Integer_Param (4),
Limit => 1,
Qualifier => "OR IGNORE"),
On_Server => True, Name => "set_entity_renames");
Query_Set_Caller_At_Decl : constant Prepared_Statement :=
Prepare
(SQL_Update
(Table => Database.Entities,
Set => (Database.Entities.Decl_Caller = Integer_Param (2)),
Where => Database.Entities.Id = Integer_Param (1)),
On_Server => True, Name => "set_caller_at_decl");
Query_Set_Entity_Name_And_Kind : constant Prepared_Statement :=
Prepare
(SQL_Update
(Table => Database.Entities,
Set => (Database.Entities.Name = Text_Param (2))
& (Database.Entities.Kind = Text_Param (3))
& (Database.Entities.Is_Global = Boolean_Param (4))
& (Database.Entities.Is_Static_Local = Boolean_Param (5)),
Where => Database.Entities.Id = Integer_Param (1)),
On_Server => True, Name => "set_entity_name_and_kind");
Query_Mangled_Name : constant Prepared_Statement := Prepare
(SQL_Select
(Database.Entities.Mangled_Name,
From => Database.Entities,
Where => Database.Entities.Id = Integer_Param (1)),
On_Server => False, Name => "mangled_name");
Q_Parameters_Toentity : constant := 0;
Q_Parameters_Kind : constant := 1;
Query_Parameters : constant Prepared_Statement :=
Prepare
(SQL_Select
(To_List
((Q_Parameters_Toentity => +Database.E2e.Toentity,
Q_Parameters_Kind => +Database.E2e.Kind)),
From => Database.E2e,
Where => Database.E2e.Fromentity = Integer_Param (1)
and (Database.E2e.Kind = E2e_In_Parameter
or Database.E2e.Kind = E2e_In_Out_Parameter
or Database.E2e.Kind = E2e_Out_Parameter
or Database.E2e.Kind = E2e_Access_Parameter),
Order_By => Database.E2e.Order_By,
Distinct => True),
On_Server => False, Name => "parameters");
-- Retrieve the list of parameters for the entity in $1.
-- Cannot be prepared because there are risks of concurrent calls.
Files_Cursor_Path : constant := 0;
Files_Cursor_Project : constant := 1;
Files_Cursor_Fields : constant SQL_Field_List := To_List
((Files_Cursor_Path => +Database.Files.Path,
Files_Cursor_Project => +Files4.Path));
-- The fields for the files_cursor
Entities2_Fields : constant SQL_Field_List :=
Entities2.Id
& Entities2.Name
& Entities2.Decl_Line
& Entities2.Decl_Column;
Query_Parameter_Of : constant Prepared_Statement :=
Prepare
(SQL_Select
(Entities2_Fields,
From => Entities2 & Database.E2e,
Where => Database.E2e.Toentity = Integer_Param (1)
and (Database.E2e.Kind = E2e_In_Parameter
or Database.E2e.Kind = E2e_In_Out_Parameter
or Database.E2e.Kind = E2e_Out_Parameter
or Database.E2e.Kind = E2e_Access_Parameter)
and Database.E2e.Fromentity = Entities2.Id),
On_Server => False, Name => "parameter_of");
Query_E2E_From : constant Prepared_Statement :=
Prepare
(SQL_Select
(Entities2_Fields,
From => Entities2 & Database.E2e,
Where => Database.E2e.Fromentity = Integer_Param (1)
and Database.E2e.Kind = Integer_Param (2)
and Database.E2e.Toentity = Entities2.Id,
Order_By =>
Entities2.Name & Entities2.Decl_Line & Entities2.Decl_Column,
Distinct => True),
On_Server => False, Name => "e2e_from");
-- Cannot be prepared because there are risks of concurrent calls.
Query_E2E_To : constant Prepared_Statement :=
Prepare
(SQL_Select
(Entities2_Fields,
From => Entities2 & Database.E2e,
Where => Database.E2e.Toentity = Integer_Param (1)
and Database.E2e.Kind = Integer_Param (2)
and Database.E2e.Fromentity = Entities2.Id,
Order_By =>
Entities2.Name & Entities2.Decl_Line & Entities2.Decl_Column,
Distinct => True),
On_Server => False, Name => "e2e_to");
-- Cannot be prepared because there are risks of concurrent calls.
Query_Non_Inherited_Methods : constant Prepared_Statement :=
Prepare
(SQL_Select
(Entities2_Fields,
From => Entities2 & Database.E2e,
Where => Database.E2e.Fromentity = Integer_Param (1)
and Database.E2e.Kind = E2e_Has_Primitive
and Database.E2e.Toentity = Entities2.Id
-- Not a primitive of one of the parent types
and SQL_Not_In
(Database.E2e.Toentity,
SQL_Select
(Database.E2e.Toentity,
From => Database.E2e,
Where => SQL_In
(Database.E2e.Fromentity,
-- compute the parent types (this is Query_E2e_From
SQL_Select
(Database.E2e.Toentity,
From => Database.E2e,
Where => Database.E2e.Fromentity = Integer_Param (1)
and Database.E2e.Kind = E2e_Parent_Type))
and Database.E2e.Kind = E2e_Has_Primitive)),
Order_By =>
Entities2.Name & Entities2.Decl_Line & Entities2.Decl_Column,
Distinct => True),
On_Server => False, Name => "non_inherited_methods");
-- Cannot be prepared because there are risks of concurrent calls.
Query_Fields : constant Prepared_Statement :=
Prepare
(SQL_Select
(Database.Entities.Id
& Database.Entities.Name
& Database.Entities.Decl_Line
& Database.Entities.Decl_Column,
From => Database.Entities & Database.Entity_Kinds,
Where => Database.Entities.Decl_Caller = Integer_Param (1)
and Database.Entities.Kind = Database.Entity_Kinds.Id
and Database.Entity_Kinds.Is_Subprogram = False
and Database.Entity_Kinds.Is_Type = False
and SQL_Not_In
(Database.Entities.Id,
SQL_Select
(Database.E2e.Toentity,
From => Database.E2e,
Where => Database.E2e.Kind = E2e_Has_Discriminant
and Database.E2e.Fromentity = Integer_Param (1))),
Order_By =>
Database.Entities.Name & Database.Entities.Decl_Line),
On_Server => False, Name => "fields");
-- We need to also omit subprograms, which in some languages like
-- Java and C++ are declared within the scope of the class.
Query_Overriding_Parameters : constant Prepared_Statement :=
Prepare
(SQL_Select
(Entities2_Fields,
From => Entities2 -- the parameters info
& Entities -- the original parameter
& Database.E2e & E2E2,
Where =>
-- Output parameter must have the same name as original
Entities2.Name = Entities.Name
and Entities.Id = Integer_Param (1)
-- Entities3 must be the overriding subprograms
and Database.E2e.Toentity = Integer_Param (2)
and Database.E2e.Kind = E2e_Overrides
and Database.E2e.Fromentity = E2E2.Fromentity
-- The subprograms of those overriding subprograms
and (E2E2.Kind = E2e_In_Parameter
or E2E2.Kind = E2e_In_Out_Parameter
or E2E2.Kind = E2e_Out_Parameter
or E2E2.Kind = E2e_Access_Parameter)
and Entities2.Id = E2E2.Toentity,
Distinct => True),
On_Server => False, Name => "overriding_params");
Query_Overridden_Parameters : constant Prepared_Statement :=
Prepare
(SQL_Select
(Entities2_Fields,
From => Entities2 -- the parameters info
& Entities -- the original parameter
& Database.E2e & E2E2,
Where =>
-- Output parameter must have the same name as original
Entities2.Name = Entities.Name
and Entities.Id = Integer_Param (1)
-- Entities3 must be the overriding subprograms
and Database.E2e.Fromentity = Integer_Param (2)
and Database.E2e.Kind = E2e_Overrides
and Database.E2e.Toentity = E2E2.Fromentity
-- The subprograms of those overriding subprograms
and (E2E2.Kind = E2e_In_Parameter
or E2E2.Kind = E2e_In_Out_Parameter
or E2E2.Kind = E2e_Out_Parameter
or E2E2.Kind = E2e_Access_Parameter)
and Entities2.Id = E2E2.Toentity,
Distinct => True),
On_Server => False, Name => "overridden_params");
Q_Decl_Name : constant := 0;
Q_Decl_File : constant := 1;
Q_Decl_Line : constant := 2;
Q_Decl_Column : constant := 3;
Q_Decl_Caller : constant := 4;
Q_Decl_Kind : constant := 5;
Q_Decl_Is_Subp : constant := 6;
Q_Decl_Is_Cont : constant := 7;
Q_Decl_Is_Abst : constant := 8;
Q_Decl_Is_Generic : constant := 9;
Q_Decl_Full_Decl : constant := 10;
Q_Decl_Is_Access : constant := 11;
Q_Decl_Is_Type : constant := 12;
Q_Decl_Is_Array : constant := 13;
Q_Decl_Is_Printable_In_Gdb : constant := 14;
Q_Decl_Is_Global : constant := 15;
Q_Decl_Is_Static_Local : constant := 16;
Q_Decl_Has_Methods : constant := 17;
Q_Decl_Project : constant := 18;
Query_Declaration : constant Prepared_Statement :=
Prepare
(SQL_Select
(To_List
((Q_Decl_Name => +Database.Entities.Name,
Q_Decl_File => +Database.Files.Path,
Q_Decl_Line => +Database.Entities.Decl_Line,
Q_Decl_Column => +Database.Entities.Decl_Column,
Q_Decl_Caller => +Database.Entities.Decl_Caller,
Q_Decl_Kind => +Database.Entity_Kinds.Display,
Q_Decl_Is_Subp => +Database.Entity_Kinds.Is_Subprogram,
Q_Decl_Is_Cont => +Database.Entity_Kinds.Is_Container,
Q_Decl_Is_Abst => +Database.Entity_Kinds.Is_Abstract,
Q_Decl_Is_Generic => +Database.Entity_Kinds.Is_Generic,
Q_Decl_Is_Access => +Database.Entity_Kinds.Is_Access,
Q_Decl_Is_Type => +Database.Entity_Kinds.Is_Type,
Q_Decl_Is_Array => +Database.Entity_Kinds.Is_Array,
Q_Decl_Is_Global => +Database.Entities.Is_Global,
Q_Decl_Has_Methods => +Database.Entity_Kinds.Has_Methods,
Q_Decl_Project => +Files2.Path,
Q_Decl_Is_Static_Local =>
+Database.Entities.Is_Static_Local,
Q_Decl_Is_Printable_In_Gdb =>
+Database.Entity_Kinds.Is_Printable_In_Gdb,
Q_Decl_Full_Decl =>
+Database.Entity_Kinds.Body_Is_Full_Declaration)),
From => Database.Entities
& Database.Files
& Database.Entity_Kinds
& Files2,
Where => Database.Entities.Decl_File = Database.Files.Id
and Database.Entities.Kind = Database.Entity_Kinds.Id
and Database.Entities.Id = Integer_Param (1)
and Database.Files.Project = Files2.Id),
On_Server => True, Name => "declaration");
-- Can be prepared because a single row is read so there is no risk of
-- concurrent calls.
Q_Ref_File_Id : constant := 0;
Q_Ref_File : constant := 1;
Q_Ref_Line : constant := 2;
Q_Ref_Col : constant := 3;
Q_Ref_Kind : constant := 4;
Q_Ref_Caller : constant := 5;
Q_Ref_Entity : constant := 6; -- id of the ref'ed entity
Q_Ref_Kind_Id : constant := 7;
Q_Ref_Is_End_Of_Scope : constant := 8;
Q_Ref_Project : constant := 9;
F_References_Decl : constant SQL_Field_List := To_List
((Q_Ref_File_Id => +Database.Files.Id,
Q_Ref_File => +Database.Files.Path,
Q_Ref_Line => +Database.Entities.Decl_Line,
Q_Ref_Col => +Database.Entities.Decl_Column,
Q_Ref_Kind => +Expression (Reference_Kind_Declaration),
Q_Ref_Caller => +Database.Entities.Decl_Caller,
Q_Ref_Entity => +Database.Entities.Id,
Q_Ref_Kind_Id =>
+Expression ("" & Kind_Id_Declaration),
Q_Ref_Is_End_Of_Scope => +Expression (False),
Q_Ref_Project => +Files3.Path));
F_References : constant SQL_Field_List := To_List
((Q_Ref_File_Id => +Database.Files.Id,
Q_Ref_File => +Database.Files.Path,
Q_Ref_Line => +Database.Entity_Refs.Line,
Q_Ref_Col => +Database.Entity_Refs.Column,
Q_Ref_Kind => +Database.Reference_Kinds.Display,
Q_Ref_Caller => +Database.Entity_Refs.Caller,
Q_Ref_Entity => +Database.Entity_Refs.Entity,
Q_Ref_Kind_Id => +Database.Reference_Kinds.Id,
Q_Ref_Is_End_Of_Scope => +Database.Reference_Kinds.Is_End,
Q_Ref_Project => +Files3.Path));
Q_References : constant Prepared_Statement :=
Prepare
(SQL_Union
(SQL_Select
(F_References_Decl,
From => Database.Entities & Database.Files & Files3,
Where => Database.Entities.Decl_File = Database.Files.Id
and Database.Files.Project = Files3.Id
and Database.Entities.Id = Integer_Param (1)),
SQL_Select
(F_References,
From => Database.Entity_Refs & Database.Files
& Database.Reference_Kinds & Files3,
Where => Database.Entity_Refs.File = Database.Files.Id
and Database.Entity_Refs.Kind = Database.Reference_Kinds.Id
and Database.Reference_Kinds.Is_Real
and Database.Files.Project = Files3.Id
and Database.Entity_Refs.Entity = Integer_Param (1)),
Order_By => Database.Files.Path
& Database.Entity_Refs.Line & Database.Entity_Refs.Column,
Distinct => True),
On_Server => False, Name => "references");
-- Cannot be prepared because there are risks of concurrent calls.
Q_File_References_Decl_By_Loc : constant Prepared_Statement :=
Prepare
(SQL_Select
(F_References_Decl,
From => Database.Entities & Database.Files & Files3,
Where => Database.Entities.Decl_File = Database.Files.Id
and Database.Files.Project = Files3.Id
and Compare_Files (Database.Files.Path, Text_Param (1)),
Order_By =>
Database.Entity_Refs.Line & Database.Entity_Refs.Column,
Distinct => True),
On_Server => False, Name => "file_declarations");
Q_File_References_And_Kind_By_Loc : constant Prepared_Statement :=
Prepare
(SQL_Select
(F_References,
From => Database.Entity_Refs & Database.Files & Files3
& Database.Reference_Kinds,
Where => Database.Entity_Refs.File = Database.Files.Id
and Database.Entity_Refs.Kind = Database.Reference_Kinds.Id
and Database.Files.Project = Files3.Id
and Database.Reference_Kinds.Is_Real
and Database.Reference_Kinds.Display = Text_Param (2)
and Compare_Files (Database.Files.Path, Text_Param (1)),
Order_By =>
Database.Entity_Refs.Line & Database.Entity_Refs.Column,
Distinct => True),
On_Server => False, Name => "file_references_and_kind_by_loc");
Q_File_References_And_Kind_By_Entity : constant Prepared_Statement :=
Prepare
(SQL_Select
(F_References,
From => Database.Entity_Refs & Database.Files & Files3
& Database.Reference_Kinds,
Where => Database.Entity_Refs.File = Database.Files.Id
and Database.Entity_Refs.Kind = Database.Reference_Kinds.Id
and Database.Reference_Kinds.Is_Real
and Database.Reference_Kinds.Display = Text_Param (2)
and Database.Files.Project = Files3.Id
and Compare_Files (Database.Files.Path, Text_Param (1)),
Order_By => Database.Entity_Refs.Entity
& Database.Entity_Refs.Line & Database.Entity_Refs.Column,
Distinct => True),
On_Server => False, Name => "file_references_and_kind_by_entity");
Q_File_References_By_Loc : constant Prepared_Statement :=
Prepare
(SQL_Union
(SQL_Select
(F_References_Decl,
From => Database.Entities & Database.Files & Files3,
Where => Database.Entities.Decl_File = Database.Files.Id
and Database.Files.Project = Files3.Id
and Compare_Files (Database.Files.Path, Text_Param (1))),
SQL_Select
(F_References,
From => Database.Entity_Refs & Database.Files & Files3
& Database.Reference_Kinds,
Where => Database.Entity_Refs.File = Database.Files.Id
and Database.Entity_Refs.Kind = Database.Reference_Kinds.Id
and Database.Files.Project = Files3.Id
and Database.Reference_Kinds.Is_Real
and Compare_Files (Database.Files.Path, Text_Param (1))),
Order_By =>
Database.Entity_Refs.Line & Database.Entity_Refs.Column,
Distinct => True),
On_Server => False, Name => "file_references_by_loc");
Q_File_References_By_Entity : constant Prepared_Statement :=
Prepare
(SQL_Union
(SQL_Select
(F_References_Decl,
From => Database.Entities & Database.Files & Files3,
Where => Database.Entities.Decl_File = Database.Files.Id
and Database.Files.Project = Files3.Id
and Compare_Files (Database.Files.Path, Text_Param (1))),
SQL_Select
(F_References,
From => Database.Entity_Refs & Database.Files & Files3
& Database.Reference_Kinds,
Where => Database.Entity_Refs.File = Database.Files.Id
and Database.Entity_Refs.Kind = Database.Reference_Kinds.Id
and Database.Files.Project = Files3.Id
and Database.Reference_Kinds.Is_Real
and Compare_Files (Database.Files.Path, Text_Param (1))),
Order_By => Database.Entity_Refs.Entity
& Database.Entity_Refs.Line & Database.Entity_Refs.Column,
Distinct => True),
On_Server => False, Name => "file_references_by_entity");
Q_Calls : constant Prepared_Statement :=
Prepare
(SQL_Union
(SQL_Select
(Database.Entities.Id
& Database.Entities.Name
& Database.Entities.Decl_Line
& Database.Entities.Decl_Column,
From => Database.Entity_Refs
& Database.Reference_Kinds
& Database.Entities,
Where => Database.Entity_Refs.Caller = Integer_Param (1)
and Database.Entity_Refs.Kind = Database.Reference_Kinds.Id
and Database.Reference_Kinds.Is_Real = True
and Database.Entities.Id = Database.Entity_Refs.Entity
and Database.Entity_Refs.Entity /= Integer_Param (1)),
SQL_Select
(Database.Entities.Id
& Database.Entities.Name
& Database.Entities.Decl_Line
& Database.Entities.Decl_Column,
From => Database.Entities,
Where => Database.Entities.Decl_Caller = Integer_Param (1)
and Database.Entities.Id /= Integer_Param (1)),
Order_By =>
Database.Entities.Name
& Database.Entities.Decl_Line,
Distinct => True),
On_Server => False, Name => "calls");
Q_End_Of_Spec : constant Prepared_Statement :=
Prepare
(SQL_Select
(To_List
((0 => +Database.Entity_Refs.Line,
1 => +Database.Entity_Refs.Column)),
From => Database.Entity_Refs,
Where => Database.Entity_Refs.Kind = "e"
and Database.Entity_Refs.Entity = Integer_Param (1)),
On_Server => True, Name => "end_of_spec");
-- Can be prepared because a single row is read so there is no risk of
-- concurrent calls.
Q_References_And_Kind : constant Prepared_Statement :=
Prepare
(SQL_Select
(To_List
((Q_Ref_File_Id => +Database.Files.Id,
Q_Ref_File => +Database.Files.Path,
Q_Ref_Line => +Database.Entity_Refs.Line,
Q_Ref_Col => +Database.Entity_Refs.Column,
Q_Ref_Kind => +Database.Reference_Kinds.Display,
Q_Ref_Caller => +Database.Entity_Refs.Caller,
Q_Ref_Entity => +Database.Entity_Refs.Entity,
Q_Ref_Kind_Id => +Database.Reference_Kinds.Id,
Q_Ref_Is_End_Of_Scope =>
+Database.Reference_Kinds.Is_End)),
From => Database.Entity_Refs & Database.Files
& Database.Reference_Kinds,
Where => Database.Entity_Refs.File = Database.Files.Id
and Database.Entity_Refs.Kind = Database.Reference_Kinds.Id
and Database.Reference_Kinds.Id = Text_Param (2)
and Database.Entity_Refs.Entity = Integer_Param (1),
Order_By => Database.Files.Path
& Database.Entity_Refs.Line & Database.Entity_Refs.Column,
Distinct => True),
On_Server => False, Name => "references_and_kind");
pragma Unreferenced (Q_References_And_Kind);
-- Cannot be prepared because there are risks of concurrent calls.
Q_References_No_Implicit : constant Prepared_Statement :=
Prepare
(SQL_Union
(SQL_Select
(F_References_Decl,
From => Database.Entities & Database.Files & Files3,
Where => Database.Entities.Decl_File = Database.Files.Id
and Database.Files.Project = Files3.Id
and Database.Entities.Id = Integer_Param (1)),
SQL_Select
(F_References,
From => Database.Entity_Refs & Database.Files & Files3
& Database.Reference_Kinds,
Where => Database.Entity_Refs.File = Database.Files.Id
and Database.Entity_Refs.Kind = Database.Reference_Kinds.Id
and Database.Reference_Kinds.Is_Real
and Database.Files.Project = Files3.Id
and not Database.Reference_Kinds.Is_Implicit
and Database.Entity_Refs.Entity = Integer_Param (1)),
Order_By => Database.Files.Path
& Database.Entity_Refs.Line & Database.Entity_Refs.Column,
Distinct => True),
On_Server => False, Name => "references_no_implicit");
Q_References_All_Kinds : constant Prepared_Statement :=
Prepare
(SQL_Union
(SQL_Select
(F_References_Decl,
From => Database.Entities & Database.Files & Files3,
Where => Database.Entities.Decl_File = Database.Files.Id
and Database.Files.Project = Files3.Id
and Database.Entities.Id = Integer_Param (1)),
SQL_Select
(F_References,
From => Database.Entity_Refs & Database.Files & Files3
& Database.Reference_Kinds,
Where => Database.Entity_Refs.File = Database.Files.Id
and Database.Entity_Refs.Kind = Database.Reference_Kinds.Id
and Database.Files.Project = Files3.Id
and Database.Entity_Refs.Entity = Integer_Param (1)),
Order_By => Database.Files.Path
& Database.Entity_Refs.Line & Database.Entity_Refs.Column,
Distinct => True),
On_Server => False, Name => "references_all_kinds");
Q_Bodies_List : constant SQL_Field_List :=
To_List
((Q_Ref_File_Id => +Database.Files.Id,
Q_Ref_File => +Database.Files.Path,
Q_Ref_Line => +Database.Entity_Refs.Line,
Q_Ref_Col => +Database.Entity_Refs.Column,
Q_Ref_Kind => +Database.Reference_Kinds.Display,
Q_Ref_Caller => +Database.Entity_Refs.Caller,
Q_Ref_Entity => +Database.Entity_Refs.Entity,
Q_Ref_Kind_Id => +Database.Reference_Kinds.Id,
Q_Ref_Is_End_Of_Scope =>
+Database.Reference_Kinds.Is_End));
Q_Bodies_Sub_Mangled : constant SQL_Query :=
SQL_Select
(Entities2.Id,
From => Database.Entities & Entities2,
Where => Database.Entities.Id = Integer_Param (1)
and Database.Entities.Mangled_Name /= ""
and Entities2.Id /= Database.Entities.Id
and Entities2.Exported
and Entities2.Mangled_Name =
Database.Entities.Mangled_Name);
Q_Bodies_Sub_Mangled_Prep : constant Prepared_Statement :=
Prepare (Q_Bodies_Sub_Mangled);
Q_Bodies_Simple : constant Prepared_Statement :=
Prepare (SQL_Select
(Q_Bodies_List,
From => Database.Entity_Refs & Database.Files
& Database.Reference_Kinds,
Where =>
Database.Entity_Refs.File = Database.Files.Id
and Database.Entity_Refs.Kind = Database.Reference_Kinds.Id
and SQL_In (Database.Reference_Kinds.Id, "'b','c'")
and Database.Entity_Refs.Entity = Integer_Param (1),
Order_By => Database.Files.Path
& Database.Entity_Refs.Line & Database.Entity_Refs.Column,
Distinct => True),
On_Server => False, Name => "bodies_simple");
Q_Bodies_With_Mangled : constant Prepared_Statement :=
Prepare
(SQL_Select
(Q_Bodies_List,
From => Database.Entity_Refs & Database.Files
& Database.Reference_Kinds,
Where =>
Database.Entity_Refs.File = Database.Files.Id
and Database.Entity_Refs.Kind = Database.Reference_Kinds.Id
and SQL_In (Database.Reference_Kinds.Id, "'b','c'")
and (Database.Entity_Refs.Entity = Integer_Param (1)
-- Search all matching exported entities
or SQL_In
(Database.Entity_Refs.Entity, Q_Bodies_Sub_Mangled)),
Order_By => Database.Files.Path
& Database.Entity_Refs.Line & Database.Entity_Refs.Column,
Distinct => True),
On_Server => False, Name => "bodies_with_mangled");
-- Return the bodies of the entity.
-- This query is more complex than Q_References_And_Kind because it also
-- looks at mangled name for find matches in other languages.
type File_Db_Info is record
Id : Integer; -- Id in the files table
Export_Mangled_Name : Boolean;
-- Whether we should by default use the entity name as the mangled
-- name. This is true for C, systematically. We also set it true for C++
-- (in case extern"C" was used), but it might get overridden later on.
end record;
package VFS_To_Ids is new Ada.Containers.Hashed_Maps
(Key_Type => Virtual_File,
Element_Type => File_Db_Info,
Hash => Full_Name_Hash,
Equivalent_Keys => "=");
use VFS_To_Ids;
type Loc is record
File_Id : Integer;
Line : Integer;
Column : Integer;
end record;
-- A location within a file. Within a given ALI, a location matches a
-- single entity, even though there might potentially be multiple lines
-- for it. We simply merge them.
function Hash (L : Loc) return Ada.Containers.Hash_Type;
function Hash (L : Loc) return Ada.Containers.Hash_Type is
function Shift_Left
(Value : Hash_Type;
Amount : Natural) return Hash_Type;
pragma Import (Intrinsic, Shift_Left);
H : Hash_Type := Hash_Type (L.File_Id);
begin
-- Inspired by Ada.Strings.Hash
H := Hash_Type (L.Line) + Shift_Left (H, 6) + Shift_Left (H, 16) - H;
H := Hash_Type (L.Column) + Shift_Left (H, 6) + Shift_Left (H, 16) - H;
return H;
end Hash;
type Entity_Info is record
Id : Integer; -- Id in the files table
Known_Name : Boolean; -- Whether the name is known
end record;
package Loc_To_Ids is new Ada.Containers.Hashed_Maps
(Key_Type => Loc, -- entity declaration
Element_Type => Entity_Info,
Hash => Hash,
Equivalent_Keys => "=");
use Loc_To_Ids;
package Depid_To_Ids is new Ada.Containers.Vectors
(Index_Type => Positive, -- index in the ALI file ("D" lines)
Element_Type => File_Db_Info);
use Depid_To_Ids;
type Entity_Renaming is record
Entity : Integer; -- Id in the entities table
File, Line, Column : Integer; -- A reference to the renamed entity
Kind : E2e_Id;
From_LI : Integer;
end record;
package Entity_Renaming_Lists is new Ada.Containers.Doubly_Linked_Lists
(Entity_Renaming);
use Entity_Renaming_Lists;
-- Renamings need to be handled in a separate pass, since the ALI file
-- points to a reference of the renamed entity, which we can only resolve
-- once we have parsed the whole ALI file.
type LI_Info is record
Id : Integer; -- for the LI file
LI : GNATCOLL.Projects.Library_Info;
Is_New : Boolean;
Stamp : Time;
end record;
package LI_Lists is new Ada.Containers.Doubly_Linked_Lists (LI_Info);
use LI_Lists;
type Line_Info is record
Entity : Integer; -- id of the entity that encloses this line (or -1)
Scope : Natural; -- number of lines the entity encloses
end record;
type Line_Info_Array is array (Natural range <>) of Line_Info;
type Line_Info_Array_Access is access Line_Info_Array;
type File_Scope_Tree is record
Lines : Line_Info_Array_Access;
Max : Natural := 0;
end record;
procedure Unchecked_Free is new Ada.Unchecked_Deallocation
(Line_Info_Array, Line_Info_Array_Access);
function Char_Value
(R : Forward_Cursor; Field : Field_Index) return Character;
-- Return a given part of the cursor as character
procedure Insert
(Lines : in out File_Scope_Tree;
Entity : Integer;
Low, High : Integer);
-- Store scope info for a new entity
type Scope_Tree_Array is array (Natural range <>) of File_Scope_Tree;
type Scope_Tree_Array_Access is access all Scope_Tree_Array;
-- A collection of scope trees, since a given LI file represents multiple
-- source files.
procedure Free (Trees : in out Scope_Tree_Array_Access);
procedure Grow_As_Needed
(Trees : in out Scope_Tree_Array_Access;
Count : Natural);
-- Ensures that Trees contains at least Count files.
function Get_Caller
(Trees : Scope_Tree_Array_Access;
File_Index : Integer;
Line : Integer) return Integer;
-- Returns the entity id for the given file (or -1 if file is not in the
-- list of scope trees). File_Index is the index as returned by
-- Is_Unit_File.
procedure Create_Database
(Connection : access Database_Connection_Record'Class);
-- Create the database tables and initial contents.
-- Behavior is undefined if the database is not empty initially.
procedure Parse_LI
(Self : Xref_Database'Class;
LI : LI_Info;
Default_Iconv_State : Iconv_T;
Source_To_Id : in out VFS_To_Ids.Map;
Project_To_Id : VFS_To_Ids.Map;
Entity_Decl_To_Id : in out Loc_To_Ids.Map;
Entity_Renamings : in out Entity_Renaming_Lists.List;
Visited_ALI_Units : in out VFS_To_Ids.Map;
Visited_GLI_Files : in out VFS_To_Ids.Map);
-- Parse the contents of a single LI file.
-- VFS_To_Id is a local cache for the entries in the files table.
-- Project is the one to which LI belongs.
--
-- Entity_Decl_To_Id maps a "file|line.col" to an entity id. This is filled
-- during a first pass, and is needed to resolve references to parent
-- types, index types,... during the second pass. This table does not
-- include the name of the entity, since this is unknown when seeing the
-- xref. But while parsing a given ALI file, the location is always unique
-- (which would be potentially false if sharing this table for multiple
-- ALIs)
--
-- Source_To_Id is a cache for source files. It is specific to each root
-- aggregated project, since the same full path could belong to multiple
-- projects, each in its own aggregated tree.
--
-- Project_To_Id maps full path to id in the files table for project files.
--
-- Visited_ALI_Units is a subset of VFS_To_Id, containing all the files
-- from 'U' lines that have already been processed. In general, the files
-- will occur only once since they have a single associated LI file.
-- However, in the case of multi-unit source files in Ada, the file might
-- already be in Visited_ALI_Units, in which case we need to do less
-- cleanup prior to parsing the file.
--
-- Visited_GLI_Files is a subset of VFS_To_Id, containing C/C++ include
-- files that have already been processed (i.e. files from 'D' lines in
-- GLI files).
function Single_Entity_From_E2e
(Self : Xref_Database'Class;
Entity : Entity_Information;
E2e : Integer) return Entity_Information;
-- Do a query on E2e, and returns the single matching entity (or No_Entity)
procedure Init_For_Entity
(Self : in out Recursive_References_Cursor'Class;
Entity : Entity_Information);
procedure Init_For_Entity
(Self : in out Recursive_Entities_Cursor'Class;
Entity : Entity_Information);
-- Self will navigate all information extracted from Entity.
procedure Get_Documentation_Before
(Context : Language_Syntax;
Buffer : String;
Decl_Index : Natural;
Comment_Start : out Natural;
Comment_End : out Natural;
Allow_Blanks : Boolean := False);
procedure Get_Documentation_After
(Context : Language_Syntax;
Buffer : String;
Decl_Index : Natural;
Comment_Start : out Natural;
Comment_End : out Natural);
-- Get the comment just before or just after Decl_Index, skipping code
-- lines as needed.
-- If Allow_Blanks is True, then skip blank lines before looking for
-- comments.
type Comment_Type is (No_Comment, Comment_Single_Line, Comment_Multi_Line);
function Looking_At_Start_Of_Comment
(Context : Language_Syntax;
Buffer : String;
Index : Natural) return Comment_Type;
-- Whether we have the start of a comment at Index in Buffer
procedure Skip_To_Current_Comment_Block_Start
(Context : Language_Syntax;
Buffer : String;
Index : in out Natural);
-- Assuming that Index is at the beginning or inside a comment line, moves
-- upward in the file till the end of the current block of comments. This
-- block is defined as a group of commented out lines, until a non-comment
-- line is seen.
-- If Index is not at the beginning or inside a comment line, Index is set
-- to 0.
procedure Skip_To_Current_Comment_Block_End
(Context : Language_Syntax;
Buffer : String;
Index : in out Natural;
Ignore_Blank_Lines : Boolean := False);
-- Same as Skip_To_Current_Comment_Block_Start, except we move forward to
-- the beginning of the last line of comments in the block.
-- If Ignore_Blank_Lines is set to True, blocks separated from one another
-- with blank lines are considered as a single one.
procedure Skip_To_Previous_Comment_Start
(Context : Language_Syntax;
Buffer : String;
Index : in out Natural;
Allow_Blanks : Boolean := False);
-- Skip lines of code (backward) until we find the start of a comment.
-- If we see an empty line first Index is set to 0, unless Allow_Blanks.
-- Likewise if no comment is found before the beginning of the buffer.
procedure Skip_To_Next_Comment_Start
(Context : Language_Syntax;
Buffer : String;
Index : in out Natural);
-- Skip lines of code until we find the beginning of a comment.
-- If we see an empty line first Index is set to 0.
-- Likewise if no comment is found before the end of the buffer.
procedure Initialize_DB
(Database : in out Xref_Database;
DB : Database_Connection;
From_DB_Name : String;
DB_Created : out Boolean;
Force : Boolean);
-- Initialize the database if needed (copy from disk or create db)
-- Force should be True when initializing an in-memory database for the
-- first time.
procedure Search_LI_Files_To_Update
(Database : Xref_Database;
LI_Files : Library_Info_List;
LIs : in out LI_Lists.List;
Force_Refresh : Boolean);
-- Process the list of all LI files (Lib_Files) to detect those that
-- need updating. This needs access to an existing database to check
-- which files are up to date.
-- If Force_Refresh is true, all LI files will be marked as needing
-- update.
---------------------
-- Create_Database --
---------------------
procedure Create_Database
(Connection : access Database_Connection_Record'Class)
is
Start : Time;
Started : Boolean;
begin
if Active (Me_Timing) then
Start := Clock;
end if;
Started := Connection.Start_Transaction;
GNATCOLL.Xref.Database.Create_Database (Connection);
Connection.Execute ("PRAGMA user_version=" & Schema_Version'Img & ";");
if Started then
Connection.Commit_Or_Rollback;
end if;
if Active (Me_Timing) then
Trace
(Me_Timing,
"Created database:" & Duration'Image (Clock - Start) & " s");
end if;
end Create_Database;
------------
-- Insert --
------------
procedure Insert
(Lines : in out File_Scope_Tree;
Entity : Integer;
Low, High : Integer)
is
Tmp : Line_Info_Array_Access;
Scope : constant Integer := High - Low;
Test_From, Test_To : Integer;
begin
if Lines.Lines = null then
Lines.Lines := new Line_Info_Array (1 .. Integer'Max (High, 10_000));
Lines.Max := 0; -- no line initialized
elsif Lines.Lines'Last < High then
Tmp := Lines.Lines;
Lines.Lines := new Line_Info_Array (1 .. High * 2);
Lines.Lines (Tmp'Range) := Tmp.all;
Unchecked_Free (Tmp);
end if;
-- Various cases are possible, depending where the range low..high
-- occurs compared to the data we already know. We could take the naive
-- approach of always resetting the array when we grow it, and always
-- comparing the full Low..High range, but this is slower in practice.
--
-- |1-------max|
-- |low-------high|
-- reset: none, test: low .. max, force: max + 1 .. high
--
-- |low--high|
-- reset: max + 1 .. low - 1, test: none, force: low .. high
--
-- |l..h|
-- reset: none, test: low .. high, force: none
--
if Lines.Max < High then
Test_From := Low;
if Low < Lines.Max then
Lines.Lines (Lines.Max + 1 .. High) := -- force
(others => (Entity => Entity, Scope => Scope));
Test_To := Lines.Max;
else
Lines.Lines (Lines.Max + 1 .. Low - 1) := -- reset
(others => (Entity => -1, Scope => Integer'Last));
Lines.Lines (Low .. High) := -- force
(others => (Entity => Entity, Scope => Scope));
Test_To := Low - 1; -- no test
end if;
Lines.Max := High;
else
-- no reset and no force
Test_From := Low;
Test_To := High;
end if;
for Line in Test_From .. Test_To loop
-- Override only if we have a more narrow scope (i.e. we are a child
-- of the entity known at that line).
if Lines.Lines (Line).Scope > Scope then
Lines.Lines (Line) :=
(Entity => Entity, Scope => Scope);
end if;
end loop;
-- for Line in Lines.Lines'First .. Lines.Max loop
-- Put (Line'Img & "(" & Lines.Lines (Line).Entity'Img & ")");
-- end loop;
-- New_Line;
end Insert;
----------
-- Free --
----------
procedure Free (Trees : in out Scope_Tree_Array_Access) is
procedure Unchecked_Free is new Ada.Unchecked_Deallocation
(Scope_Tree_Array, Scope_Tree_Array_Access);
begin
if Trees /= null then
for T in Trees'Range loop
Unchecked_Free (Trees (T).Lines);
end loop;
Unchecked_Free (Trees);
end if;
end Free;
--------------------
-- Grow_As_Needed --
--------------------
procedure Grow_As_Needed
(Trees : in out Scope_Tree_Array_Access;
Count : Natural)
is
procedure Unchecked_Free is new Ada.Unchecked_Deallocation
(Scope_Tree_Array, Scope_Tree_Array_Access);
Tmp : Scope_Tree_Array_Access;
begin
if Trees = null then
Trees := new Scope_Tree_Array (1 .. Count);
elsif Trees'Length < Count then
Tmp := Trees;
Trees := new Scope_Tree_Array (1 .. Count);
Trees (Tmp'Range) := Tmp.all;
Unchecked_Free (Tmp);
end if;
end Grow_As_Needed;
----------------
-- Get_Caller --
----------------
function Get_Caller
(Trees : Scope_Tree_Array_Access;
File_Index : Integer;
Line : Integer) return Integer
is
begin
if Trees = null
or else File_Index not in Trees'Range
or else Line > Trees (File_Index).Max
then
return -1;
else
return Trees (File_Index).Lines (Line).Entity;
end if;
end Get_Caller;
--------------
-- Parse_LI --
--------------
procedure Parse_LI
(Self : Xref_Database'Class;
LI : LI_Info;
Default_Iconv_State : Iconv_T;
Source_To_Id : in out VFS_To_Ids.Map;
Project_To_Id : VFS_To_Ids.Map;
Entity_Decl_To_Id : in out Loc_To_Ids.Map;
Entity_Renamings : in out Entity_Renaming_Lists.List;
Visited_ALI_Units : in out VFS_To_Ids.Map;
Visited_GLI_Files : in out VFS_To_Ids.Map)
is
DB : constant Database_Connection := Self.DB;
M : Mapped_File;
Str : Str_Access;
Last : Integer;
Index : Integer;
LI_Project : Project_Type := No_Project;
ALI_Id : constant Integer := LI.Id;
Start : Integer;
Current_Unit_Id : Integer := -1;
Dep_Id : Integer;
D_Line_Id : Positive := 1;
-- Current "D" line index
Depid_To_Id : Depid_To_Ids.Vector;
Is_GLI_File : constant Boolean :=
LI.LI.Library_File.File_Extension = ".gli";
Always_Parse_E2E : constant Boolean := Is_GLI_File;
-- Whether the "entity-to-entity" reference should be systematically
-- parsed. If False, this information is only parsed if the current X
-- section relates to a source file which is a main unit for the LI
-- file (i.e. has a U line). The latter is more efficient, but in C and
-- C++ cannot be used because there is no ".gli" for .h files only.
Unit_Files : Depid_To_Ids.Vector;
-- Contains the list of units associated with the current ALI (these
-- are the ids in the "files" table). This list generally only contains
-- a few elements, so is reasonably fast.
-- These are the files from the "U" lines (spec, body and separates).
Scope_Trees : Scope_Tree_Array_Access;
Decl_Scope_Trees : Scope_Tree_Array_Access;
-- There is a special case for the first line of an entity's scope:
-- the goal is that subprograms belong to their enclosing package, not
-- to themselves, but their parameters belong to them. For instance:
-- package body P is
-- procedure Proc (A : Integer) is
-- The caller at declaration for Proc is "P", but for A is "Proc", so
-- we need two pieces of information for the scope for a single line
-- of code. We do this by creating two scope trees, one of which
-- skips the first line of a scope, the other doesn't.
Current_X_File : Integer;
Current_X_File_Export_Mangled : Boolean;
-- Id (in the database) of the file for the current X section
Current_X_File_Unit_File_Index : Integer := -1;
-- This is set to a Natural if the Current_X_File represents a file
-- associated with a Unit_File ("U" line") of the current LI. The exact
-- value is used as an index in the list of scope trees.
Xref_File, Xref_Line, Xref_Col : Integer;
Xref_Kind : Character;
-- The current xref, result of Get_Xref
Xref_File_Unit_File_Index : Integer := -1;
-- Whether the current Xref_File would return true for Is_Unit_File.
Current_Entity : Integer;
-- Id in "entities" table for the current entity.
Spec_Start_Line : Integer;
-- Start of the declaration (which might also be the completion of the
-- declaration if a 'c' reference is found). This is used to compute the
-- scope of the current entity.
Body_Start_Line : Integer;
-- The 'b' or 'c' reference for the current entity.
Iconv_State : Iconv_T := Default_Iconv_State;
-- Iconv state to be used to convert names in ALI file.
procedure Skip_Spaces;
pragma Inline (Skip_Spaces);
-- Moves Index on the first character following the spaces.
-- This doesn't check whether we go past the end-of-line or the last
-- character in the file.
procedure Skip_Word;
pragma Inline (Skip_Word);
-- Moves Index to the first whitespace character following the current
-- word
procedure Skip_To_Name_End;
pragma Inline (Skip_To_Name_End);
-- From the start of the name of the entity in an entity line in a X
-- section, move Index to the first character after the name of the
-- entity (this could be a space, or the beginning of a renaming
-- declaration, or the '<' for the parent type,...).
-- So Index should initially point to the first character of the name.
procedure Skip_Instance_Info (Instance : out Unbounded_String);
-- Skip any instantiation info "[file|line[fil2|line[...]]]".
-- Returns the normalized description of the instance suitable for the
-- entity_refs table.
procedure Skip_Import_Info;
-- Skip any information about imports, in references:
-- 65b<c,gnatcoll_munmap>22
procedure Next_Line;
pragma Inline (Next_Line);
-- Moves Index to the beginning of the next line
procedure Set_Mangled_Name (Mangled : String; Exported : Boolean);
-- Set the mangled name for the entity, and whether this is an export or
-- an import.
function Get_Natural return Natural;
pragma Inline (Get_Natural);
-- Read an integer at the current position, and moves Index after it.
function Get_Char return Character;
pragma Inline (Get_Char);
-- Return the current character, and move forward
function Get_Or_Create_Entity
(Decl_File : Integer;
Decl_Line : Integer;
Decl_Column : Integer;
Name : String;
Kind : Character;
Set_Mangled_Name : Boolean;
Is_Global : Boolean;
Is_Static_Local : Boolean) return Integer;
-- Lookup an entity at the given location. If the entity is already
-- known in the local hash table, it is reused, otherwise it is searched
-- in the database. If it doesn't exist there, a new entry is created
-- using the Name and the Kind (the name is not used when searching in
-- the local htable, since we assume there is a single entity at that
-- location).
-- Decl_Column can be set to -1 if the column is unknown (case of a
-- generic instantiation in the ALI file).
procedure Get_Ref (With_Col : Boolean := True);
-- Parse a "file|line kind col" reference (the file is optional,
-- and left untouched if unspecified). Sets the Xref_* variables
-- accordingly.
-- If With_Col is False, no "kind col" is expected, although one can be
-- given for compatibility with further changes in ALI
-- (and Xref_Col is set to -1 on exit).
function Get_Ref_Or_Predefined
(Endchar : Character;
Eid : E2e_Id := -1;
E2e_Order : Integer := 1;
With_Col : Boolean := True;
Process_E2E : Boolean) return Boolean;
-- Parse a "file|line kind col" reference, or the name of a predefined
-- entity. After this ref or name, we expect to see Endchar.
-- Returns False if there is an error.
-- This inserts appropriate entries in the "e2e" table to document
-- the relationship between the newly parsed entity and the current
-- entity. This kind of this relationship is given by Eid. Its "order"
-- is given by E2e_Order.
-- If Process_E2E is false, then nothing is stored in the database, and
-- the information is simply skipped.
function Insert_Source_File
(Basename : Filesystem_String;
Project : Project_Type;
Is_ALI_Unit : Boolean := False) return File_Db_Info;
-- Retrieves the id for the file in the database, or create a new entry
-- for it.
-- Is_ALI_Unit should be true when the file is one of the units
-- associated with the current ALI file.
--
-- Returns -1 if the file is not known in the project.
procedure Process_Entity_Line (First_Pass : Boolean);
-- Process the current line when it is an entity declaration and its
-- references in the current file.
-- When First_Pass is true, this skips all the entity-to-entity
-- relationships, but stores the references in the database.
-- If, on the other hand, First_Pass is False, then it only processes
-- the entity-to-entity relationships and skips the references.
procedure Process_Xref_Section (First_Pass : Boolean);
-- Process all the xref information found in the X sections of the ALI
-- file.
-- See comment in Process_Entity_Line for the meaning of First_Pass.
function Is_Unit_File (Id : Integer) return Integer;
-- Whether the file with the given id is one of the units associated
-- with the current ALI.
------------------
-- Is_Unit_File --
------------------
function Is_Unit_File (Id : Integer) return Integer is
C : Depid_To_Ids.Cursor := Unit_Files.First;
Index : Natural := 1;
begin
while Has_Element (C) loop
if Element (C).Id = Id then
if Active (Me_Debug) then
Trace (Me_Debug, "Is_Unit_File Id=" & Id'Img
& " Index=" & Index'Img);
end if;
return Index;
end if;
Index := Index + 1;
Next (C);
end loop;
return -1;
end Is_Unit_File;
-----------------
-- Get_Natural --
-----------------
function Get_Natural return Natural is
V : Natural := 0;
begin
if Str (Index) not in '0' .. '9' then
Trace (Me_Error, "Expected a natural, got "
& String (Str (Index .. Integer'Min (Index + 20, Last))));
raise Program_Error;
return 0; -- Error in ALI file
end if;
loop
V := V * 10 + (Character'Pos (Str (Index)) - Character'Pos ('0'));
Index := Index + 1;
exit when Index > Last
or else Str (Index) not in '0' .. '9';
end loop;
return V;
end Get_Natural;
--------------
-- Get_Char --
--------------
function Get_Char return Character is
C : constant Character := Str (Index);
begin
Index := Index + 1;
return C;
end Get_Char;
-------------
-- Get_Ref --
-------------
procedure Get_Ref (With_Col : Boolean := True) is
begin
Xref_Line := Get_Natural;
if Str (Index) = '|' then
Xref_File := Depid_To_Id.Element (Xref_Line).Id;
if ALI_Contains_External_Refs then
Xref_File_Unit_File_Index := Is_Unit_File (Xref_File);
end if;
Index := Index + 1; -- Skip '|'
Xref_Line := Get_Natural;
end if;
if With_Col
or else (Str (Index) /= '['
and then Str (Index) /= ']'
and then Str (Index + 1) in '0' .. '9')
then
Xref_Kind := Get_Char;
Skip_Import_Info;
Xref_Col := Get_Natural;
else
Xref_Col := -1;
end if;
end Get_Ref;
---------------------------
-- Get_Ref_Or_Predefined --
---------------------------
function Get_Ref_Or_Predefined
(Endchar : Character;
Eid : E2e_Id := -1;
E2e_Order : Integer := 1;
With_Col : Boolean := True;
Process_E2E : Boolean) return Boolean
is
Start : constant Integer := Index;
Name_Last : Integer;
Is_Predefined : constant Boolean := Str (Index) not in '0' .. '9';
Ref_Entity : Integer := -1;
Ignored : Unbounded_String;
begin
if Is_Predefined then
-- a predefined entity
while Str (Index) /= Endchar loop
Index := Index + 1;
end loop;
Name_Last := Index - 1;
else
Get_Ref (With_Col => With_Col);
end if;
-- Within the extra entity information (parent type, index type,...)
-- there can be information as to where an entity is instantiated.
-- For instance, gtk-containers.ads contains:
-- function Children return Gtk.Widget.Widget_List.GList;
-- and the ALI file contains:
-- 310V13 Children{30|70R12[47|125]}
-- where 47|125 is the declaration of Widget_List
-- 70R12 GList 312r37[47|125]
--
-- We simply discard the instance info in the extra entity info,
-- since it is complex to store efficiently and for now we do not use
-- it. But for the ref itself we will store in which instantiation
-- 312r37 is found, to display in tooltips.
Skip_Instance_Info (Ignored);
if Get_Char /= Endchar then
if Active (Me_Error) then
Trace (Me_Error, "Error: expected "
& Character'Image (Endchar) & ", got '"
& String
(Str (Index - 1 .. Integer'Min (Index + 20, Last)))
& "' at index" & Index'Img);
end if;
return False;
end if;
if Is_Predefined then
if Process_E2E
and then (Current_X_File_Unit_File_Index /= -1
or else Always_Parse_E2E)
then
declare
R : Forward_Cursor;
Name : aliased String := String (Str (Start .. Name_Last));
begin
R.Fetch
(DB,
Query_Find_Predefined_Entity,
Params => (1 => +Name'Unrestricted_Access));
if not R.Has_Row then
if Active (Me_Error) then
Trace (Me_Error,
"Missing predefined entity in the database: '"
& Name & "' in "
& (+LI.LI.Library_File.Unix_Style_Full_Name
(Normalize => True))
& " at index" & Index'Img);
end if;
Ref_Entity := DB.Insert_And_Get_PK
(Query_Insert_Entity,
Params =>
(1 => +Name'Unrestricted_Access,
2 => +'I',
3 => +(-1),
4 => +(-1),
5 => +(-1),
6 => +True, -- is_global
7 => +False), -- is_static_local
PK => Database.Entities.Id);
else
Ref_Entity := R.Integer_Value (0);
end if;
end;
end if;
else
-- Only insert if we have the detailed info for an entity in one
-- of the units associated with the current LI (for instance
-- parent type info is only taken into account for these entities,
-- for entities in other units we'll have to parse the
-- corresponding LI). This avoids duplicates.
if Process_E2E
and then (Current_X_File_Unit_File_Index /= -1
or else Always_Parse_E2E)
and then Xref_File /= -1
then
Ref_Entity := Get_Or_Create_Entity
(Decl_File => Xref_File,
Decl_Line => Xref_Line,
Decl_Column => Xref_Col,
Name => "",
Kind => Xref_Kind,
Is_Global => False, -- unknown
Is_Static_Local => False, -- unknown
Set_Mangled_Name => False);
end if;
end if;
if Process_E2E
and then Ref_Entity /= -1
then
DB.Execute
(Query_Insert_E2E,
Params => (1 => +Current_Entity,
2 => +Ref_Entity,
3 => +Eid,
4 => +E2e_Order));
end if;
return True;
end Get_Ref_Or_Predefined;
---------------
-- Next_Line --
---------------
procedure Next_Line is
begin
while Index <= Last
and then Str (Index) /= ASCII.LF
loop
Index := Index + 1;
end loop;
Index := Index + 1; -- Skip ASCII.LF
end Next_Line;
------------------------
-- Skip_Instance_Info --
------------------------
procedure Skip_Instance_Info
(Instance : out Unbounded_String)
is
Nesting : Natural := 0;
Start_File : constant Integer := Xref_File;
Start_Line : constant Integer := Xref_Line;
Start_Col : constant Integer := Xref_Col;
Start_Index : constant Integer := Xref_File_Unit_File_Index;
begin
Instance := Null_Unbounded_String;
if Str (Index) = '[' then
while Str (Index) = '[' loop
Index := Index + 1;
Nesting := Nesting + 1;
Get_Ref (With_Col => False);
if Instance /= Null_Unbounded_String then
Append (Instance, ",");
end if;
Append (Instance, Image (Xref_File, Min_Width => 0));
Append (Instance, '|');
Append (Instance, Image (Xref_Line, Min_Width => 0));
end loop;
Index := Index + Nesting; -- skip closing brackets
Xref_File := Start_File;
Xref_Line := Start_Line;
Xref_Col := Start_Col;
Xref_File_Unit_File_Index := Start_Index;
end if;
end Skip_Instance_Info;
----------------------
-- Skip_Import_Info --
----------------------
procedure Skip_Import_Info is
Start : Integer;
begin
if Str (Index) = '<' then
Start := Index + 1;
while Str (Index) /= '>' loop
Index := Index + 1;
end loop;
Index := Index + 1;
-- Ignore language info
for Pos in Start .. Index - 1 loop
if Str (Pos) = ',' then
Start := Pos + 1;
exit;
end if;
end loop;
declare
Name : constant String := String (Str (Start .. Index - 2));
begin
case Xref_Kind is
when 'i' =>
Set_Mangled_Name (Name, Exported => True);
when 'b' =>
Set_Mangled_Name (Name, Exported => False);
when others =>
Trace (Me_Error, "Error: unexpected entity kind"
& " before a mangled name info: '"
& Xref_Kind'Img & "'");
end case;
end;
end if;
end Skip_Import_Info;
-----------------
-- Skip_Spaces --
-----------------
procedure Skip_Spaces is
begin
while Str (Index) = ' '
or else Str (Index) = ASCII.HT
loop
Index := Index + 1;
end loop;
end Skip_Spaces;
---------------
-- Skip_Word --
---------------
procedure Skip_Word is
begin
while Index <= Last
and then Str (Index) /= ' '
and then Str (Index) /= ASCII.LF
and then Str (Index) /= ASCII.CR
and then Str (Index) /= ASCII.HT
loop
Index := Index + 1;
end loop;
end Skip_Word;
----------------------
-- Skip_To_Name_End --
----------------------
procedure Skip_To_Name_End is
begin
if Str (Index) = '"' then
-- Operators are quoted
Index := Index + 1;
while Str (Index) /= '"' loop
Index := Index + 1;
end loop;
Index := Index + 1; -- skip closing quote
return;
end if;
if Str (Index) = ''' then
-- An enumeration for characters inserts the characters in the
-- ALI file (O730-027):
-- type Foo_Type is ('1', '2');
-- 8n7*'1'{6E9}
-- 8n7*'2'{6E9}
Index := Index + 1;
while Str (Index) /= ''' loop
Index := Index + 1;
end loop;
Index := Index + 1; -- skip closing quote
return;
end if;
-- C++ operators are represented as:
-- 93V7*operator new 93r12
-- 93V7*operator=={bool}
-- 95V7*operator new [] 95i<cpp,_Znam>7 1|88s34
-- 840V7*operator[]{120J61} 1|46s26
-- so we need to allow a space in the name in some cases.
if Index + 8 <= Str'Last
and then Str (Index) = 'o'
and then Str (Index + 1) = 'p'
and then Str (Index + 2) = 'e'
and then Str (Index + 3) = 'r'
and then Str (Index + 4) = 'a'
and then Str (Index + 5) = 't'
and then Str (Index + 6) = 'o'
and then Str (Index + 7) = 'r'
then
Index := Index + 8;
case Str (Index) is
when '=' =>
if Index < Str'Last and then Str (Index + 1) = '=' then
Index := Index + 2; -- == operator
else
Index := Index + 1; -- = operator
end if;
return;
when '<' =>
if Index < Str'Last and then Str (Index + 1) = '<' then
if Index + 1 < Str'Last
and then Str (Index + 2) = '='
then
Index := Index + 3; -- <<= operator
else
Index := Index + 2; -- << operator
end if;
elsif Index < Str'Last and then Str (Index + 1) = '=' then
Index := Index + 2; -- <= operator
else
Index := Index + 1; -- < operator
end if;
return;
when '>' =>
if Index < Str'Last and then Str (Index + 1) = '>' then
if Index + 1 < Str'Last
and then Str (Index + 2) = '='
then
Index := Index + 3; -- >>= operator
else
Index := Index + 2; -- >> operator
end if;
elsif Index < Str'Last and then Str (Index + 1) = '=' then
Index := Index + 2; -- >= operator
else
Index := Index + 1; -- > operator
end if;
return;
when '-' =>
if Index < Str'Last and then Str (Index + 1) = '=' then
Index := Index + 2; -- -= operator
elsif Index < Str'Last and then Str (Index + 1) = '-' then
Index := Index + 2; -- -- operator
elsif Index + 2 <= Str'Last
and then Str (Index + 1 .. Index + 2) = ">*"
then
Index := Index + 3; -- ->*() operator (smart pointers)
elsif Index < Str'Last and then Str (Index + 1) = '>' then
Index := Index + 2; -- ->() operator (smart pointers)
else
Index := Index + 1; -- - operator
end if;
return;
when '+' =>
if Index < Str'Last and then Str (Index + 1) = '=' then
Index := Index + 2; -- += operator
elsif Index < Str'Last and then Str (Index + 1) = '+' then
Index := Index + 2; -- ++ operator
else
Index := Index + 1; -- + operator
end if;
return;
when '*' =>
if Index < Str'Last and then Str (Index + 1) = '=' then
Index := Index + 2; -- *= operator
elsif Index + 2 < Str'Last
and then Str (Index + 1 .. Index + 2) = "()"
then
Index := Index + 3; -- *() operator (smart pointers)
else
Index := Index + 1; -- * operator
end if;
return;
when '/' =>
if Index < Str'Last and then Str (Index + 1) = '=' then
Index := Index + 2; -- /= operator
else
Index := Index + 1; -- / operator
end if;
return;
when '!' =>
if Index < Str'Last and then Str (Index + 1) = '=' then
Index := Index + 2; -- != operator
else
Index := Index + 1; -- ! operator (not)
end if;
return;
when '[' =>
if Index < Str'Last and then Str (Index + 1) = ']' then
Index := Index + 2; -- [] operator
else
Index := Index + 1; -- ???
end if;
return;
when '(' =>
if Index < Str'Last and then Str (Index + 1) = ')' then
Index := Index + 2; -- () operator
else
Index := Index + 1; -- ???
end if;
return;
when '%' =>
if Index < Str'Last and then Str (Index + 1) = '=' then
Index := Index + 2; -- %= operator
else
Index := Index + 1; -- % operator
end if;
return;
when '|' =>
if Index < Str'Last and then Str (Index + 1) = '|' then
Index := Index + 2; -- || operator
elsif Index < Str'Last and then Str (Index + 1) = '=' then
Index := Index + 2; -- |= operator
else
Index := Index + 1; -- | operator
end if;
return;
when '&' =>
if Index < Str'Last and then Str (Index + 1) = '&' then
Index := Index + 2; -- && operator
elsif Index < Str'Last and then Str (Index + 1) = '=' then
Index := Index + 2; -- &= operator
elsif Index < Str'Last and then Str (Index + 1) = '(' then
Index := Index + 4; -- &() operator (smart pointers)
else
Index := Index + 1; -- & operator
end if;
return;
when '^' =>
if Index < Str'Last and then Str (Index + 1) = '=' then
Index := Index + 2; -- ^= operator
else
Index := Index + 1; -- ^ operator
end if;
return;
when ' ' =>
if Starts_With (Str (Index + 1 .. Str'Last), "new") then
Index := Index + 4; -- new operator
if Str (Index) = ' '
and then Str (Index + 1) = '['
and then Str (Index + 2) = ']'
then
Index := Index + 3; -- new[] operator
end if;
elsif Starts_With
(Str (Index + 1 .. Str'Last), "delete")
then
Index := Index + 7; -- delete operator
if Str (Index) = ' '
and then Str (Index + 1) = '['
and then Str (Index + 2) = ']'
then
Index := Index + 3; -- delete[] operator
end if;
else
-- type conversion operators (int(), float(),...)
while Index <= Str'Last and then Str (Index) /= '{' loop
Index := Index + 1;
end loop;
end if;
return;
when '~' | ',' =>
Index := Index + 1;
return;
when others =>
-- The name of an entity that starts with 'operator'
-- fall through the default handling
null;
end case;
end if;
-- Default handling
Index := Index + 1;
-- Entity names can contain extra information, like
-- pointed type,... So we need to extract the name
-- itself and will store the extra information in a
-- second step
while Str (Index) /= ASCII.LF
and then Str (Index) /= ASCII.CR
and then Str (Index) /= '{'
and then Str (Index) /= '<'
and then Str (Index) /= '('
and then Str (Index) /= ' '
and then Str (Index) /= '='
and then Str (Index) /= '['
loop
Index := Index + 1;
end loop;
end Skip_To_Name_End;
------------------------
-- Insert_Source_File --
------------------------
function Insert_Source_File
(Basename : Filesystem_String;
Project : Project_Type;
Is_ALI_Unit : Boolean := False) return File_Db_Info
is
Found : VFS_To_Ids.Cursor;
Result : File_Db_Info;
Ambiguous : Boolean;
File : Virtual_File;
Prj : Project_Type;
Info : File_Info;
begin
if Project /= No_Project then
Info := Project.Create_From_Project (Basename);
File := Info.File;
Prj := Info.Project;
else
Self.Tree.Create
(Name => Basename,
Predefined_Only => True,
Use_Object_Path => False,
Ambiguous => Ambiguous,
File => File);
Prj := No_Project;
-- Info.Language is still used, but will return ""
end if;
if File = GNATCOLL.VFS.No_File then
if Active (Me_Error) then
Trace (Me_Error, "File " & (+Basename)
& " not found in project "
& Project.Project_Path.Display_Full_Name);
end if;
return (Id => -1,
Export_Mangled_Name => False);
end if;
Found := Source_To_Id.Find (File);
if Has_Element (Found) then
Result := Element (Found);
else
declare
Name : aliased String :=
+File.Unix_Style_Full_Name (Normalize => True);
Files : Forward_Cursor;
Id : Integer; -- for the project
begin
if Prj = No_Project then
Id := No_Project_Id;
else
Id := Project_To_Id.Element (Prj.Project_Path).Id;
end if;
Files.Fetch
(DB, Query_Get_File_And_Project,
Params => (1 => Copy (Name'Unchecked_Access),
2 => +Id));
if Files.Has_Row then
Result := (Id => Files.Integer_Value (0),
Export_Mangled_Name =>
Files.Value (2) = "c"
or else Files.Value (2) = "c++");
else
declare
Lang : aliased String := Info.Language;
begin
Result :=
(Id => DB.Insert_And_Get_PK
(Query_Insert_Source_File,
Params => (1 => Copy (Name'Unchecked_Access),
2 => Copy (Lang'Unrestricted_Access),
3 => +Id),
PK => Database.Files.Id),
Export_Mangled_Name =>
Lang = "c" or else Lang = "c++");
end;
end if;
Source_To_Id.Insert (File, Result);
end;
end if;
if Is_ALI_Unit then
if Active (Me_Debug) then
Trace (Me_Debug, "Append to Unit_Files "
& Result.Id'Img);
end if;
Unit_Files.Append (Result);
Grow_As_Needed (Scope_Trees, Integer (Unit_Files.Length));
Grow_As_Needed (Decl_Scope_Trees, Integer (Unit_Files.Length));
-- Clear previous info known for this source file.
-- This cannot be done with a single query when we
-- create the LI file because it is possible to get
-- duplicates otherwise:
-- For instance, a generic instantiation ALI contains:
-- U glib.xml_int%b glib-xml_int.ads
-- U glib.xml_int%s glib-xml_int.ads
-- In this case, we would have duplicate entries in f2f
-- ("has ali" at least, and likely "withs" as well)
--
-- A similar error when a given basename is found in two
-- different locations (s-memory.adb for instance), which
-- can occur when overriding runtime files.
if not Visited_ALI_Units.Contains (File) then
Visited_ALI_Units.Include (File, Result);
end if;
end if;
return Result;
end Insert_Source_File;
----------------------
-- Set_Mangled_Name --
----------------------
procedure Set_Mangled_Name (Mangled : String; Exported : Boolean) is
begin
DB.Execute
(Query_Set_Entity_Mangled_Name,
Params => (1 => +Current_Entity,
2 => Copy (Mangled'Unrestricted_Access),
3 => +Exported));
end Set_Mangled_Name;
--------------------------
-- Get_Or_Create_Entity --
--------------------------
function Get_Or_Create_Entity
(Decl_File : Integer;
Decl_Line : Integer;
Decl_Column : Integer;
Name : String;
Kind : Character;
Set_Mangled_Name : Boolean;
Is_Global : Boolean;
Is_Static_Local : Boolean) return Integer
is
R : Forward_Cursor;
Decl : constant Loc :=
(File_Id => Decl_File,
Line => Decl_Line,
Column => Decl_Column);
C : Loc_To_Ids.Cursor;
Info : Entity_Info;
Candidate : Integer := -1;
Candidate_Is_Forward : Boolean := True;
N : aliased String := GNATCOLL.Iconv.Iconv
(Iconv_State, Name, Ignore_Errors => True);
begin
if Decl_Column = -1 then
if Instances_Provide_Column then
Trace
(Me_Error,
"The ALI parser expects instance info to contain column");
return -1;
end if;
-- We don't know the column (case of instantiation information in
-- ALI files). We do not use the local cache, since sqlite will be
-- much more efficient to handle it.
if N'Length /= 0 then
if Active (Me_Error) then
Trace (Me_Error,
"Instantiations should not document the name");
end if;
return -1;
end if;
R.Fetch
(DB,
Query_Find_Entity_From_Decl_No_Column,
Params =>
(1 => +Decl_File,
2 => +Decl_Line));
while R.Has_Row loop
Candidate := R.Integer_Value (0);
exit when R.Value (1) /= "";
R.Next;
end loop;
if Candidate = -1 then
-- We need to insert a forward declaration for an entity whose
-- name and column of the declaration we do not know. We'll
-- try to complete later.
Trace
(Me_Forward, "Insert forward declaration (column unknown)");
if Set_Mangled_Name then
Candidate := DB.Insert_And_Get_PK
(Query_Insert_Entity_With_Mangled,
Params =>
(1 => Copy (N'Unrestricted_Access), -- empty string
2 => +'P', -- unknown
3 => +Decl_File,
4 => +Decl_Line,
5 => +(-1),
6 => Copy (N'Unrestricted_Access),
7 => +Is_Global,
8 => +Is_Static_Local),
PK => Database.Entities.Id);
else
Candidate := DB.Insert_And_Get_PK
(Query_Insert_Entity,
Params =>
(1 => Copy (N'Unrestricted_Access), -- empty string
2 => +'P', -- unknown
3 => +Decl_File,
4 => +Decl_Line,
5 => +(-1),
6 => +Is_Global,
7 => +Is_Static_Local),
PK => Database.Entities.Id);
end if;
end if;
return Candidate;
end if;
-- It is possible that we have already seen the same
-- entity earlier in the file. Unfortunately, duplicates
-- happen, for instance in .gli files
C := Entity_Decl_To_Id.Find (Decl);
if Has_Element (C) then
Info := Element (C);
if Info.Known_Name -- Do we know the entity ?
or else N'Length = 0 -- Or do we still have forward decl
then
return Info.Id;
end if;
end if;
-- Either we have never seen that entity before, or we had a forward
-- declaration (because the entity is for instance the parent of
-- another entity, but the ALI file did not contain its name).
-- We'll need to update the database.
-- If we had an element in the local cache, it was for a forward
-- declaration or we would have returned earlier. In this case, we
-- know that in the database we will also find the forward
-- declaration (or the local cache would have been updated), and thus
-- we don't need to search in this case.
if N'Length /= 0
or else not Has_Element (C)
then
R.Fetch
(DB,
Query_Find_Entity_From_Decl,
Params =>
(1 => +Decl_File,
2 => +Decl_Line,
3 => +Decl_Column));
while R.Has_Row loop
if N'Length /= 0 and then R.Value (1) = N then
Candidate := R.Integer_Value (0);
Candidate_Is_Forward := False;
exit;
elsif N'Length = 0 and then R.Value (1) /= "" then
Candidate := R.Integer_Value (0);
Candidate_Is_Forward := False;
exit;
elsif R.Value (1) = "" then
Candidate := R.Integer_Value (0);
Candidate_Is_Forward := True;
-- keep looking, we only found a forward declaration
end if;
R.Next;
end loop;
if Candidate = -1
and then not Instances_Provide_Column
then
-- No candidate found, perhaps there is a forward declaration
-- coming from a generic instantiation, i.e. without column
-- information.
R.Fetch
(DB,
Query_Find_Entity_From_Decl,
Params =>
(1 => +Decl_File,
2 => +Decl_Line,
3 => +(-1)));
if R.Has_Row then
Candidate := R.Integer_Value (0);
Candidate_Is_Forward := True;
end if;
end if;
if Candidate /= -1 then
if not Candidate_Is_Forward then
-- We have found an entity with a known name and decl,
-- that's the good one. Since the entity still exists, we
-- will not want to remove it as obsolete once we are done
-- parsing, so that other LI files referencing it still have
-- that info.
DB.Execute
("DELETE FROM temp_entities WHERE id="
& Candidate'Img & ";");
Entity_Decl_To_Id.Include
(Decl,
Entity_Info'(Id => Candidate,
Known_Name => True));
elsif N'Length /= 0 then
-- We had a forward declaration in the database, we can
-- now update its name.
DB.Execute
(Query_Set_Entity_Name_And_Kind,
Params => (1 => +Candidate,
2 => Copy (N'Unrestricted_Access),
3 => +Kind,
4 => +Is_Global,
5 => +Is_Static_Local));
Entity_Decl_To_Id.Include
(Decl,
Entity_Info'(Id => Candidate,
Known_Name => True));
else
-- Record partial information in the local cache
Entity_Decl_To_Id.Insert
(Decl,
Entity_Info'(Id => Candidate,
Known_Name => False));
end if;
return Candidate;
end if;
end if;
-- The entity was not in the database, save it. If the name is empty
-- we are creating a forward declaration.
if not Has_Element (C) then
if Set_Mangled_Name then
Candidate := DB.Insert_And_Get_PK
(Query_Insert_Entity_With_Mangled,
Params =>
(1 => Copy (N'Unrestricted_Access),
2 => +Kind,
3 => +Decl_File,
4 => +Decl_Line,
5 => +Decl_Column,
6 => Copy (N'Unrestricted_Access),
7 => +Is_Global,
8 => +Is_Static_Local),
PK => Database.Entities.Id);
else
Candidate := DB.Insert_And_Get_PK
(Query_Insert_Entity,
Params =>
(1 => Copy (N'Unrestricted_Access),
2 => +Kind,
3 => +Decl_File,
4 => +Decl_Line,
5 => +Decl_Column,
6 => +Is_Global,
7 => +Is_Static_Local),
PK => Database.Entities.Id);
end if;
Entity_Decl_To_Id.Insert
(Decl,
Entity_Info'(Id => Candidate,
Known_Name => N'Length /= 0));
return Candidate;
else
return Element (C).Id;
end if;
end Get_Or_Create_Entity;
--------------------------
-- Process_Xref_Section --
--------------------------
procedure Process_Xref_Section (First_Pass : Boolean) is
begin
while Index <= Last loop
if Str (Index) = 'X' then
Index := Index + 2;
-- Could be set to -1 if the file is not found in the project's
-- sources (for instance sdefault.adb)
declare
Info : constant File_Db_Info :=
Depid_To_Id.Element (Get_Natural);
begin
Current_X_File := Info.Id;
Current_X_File_Export_Mangled := Info.Export_Mangled_Name;
end;
Current_X_File_Unit_File_Index := Is_Unit_File (Current_X_File);
if Active (Me_Debug) then
Trace (Me_Debug, "Process_Xref_Section current="
& Current_X_File'Img & " is_unit_file="
& Current_X_File_Unit_File_Index'Img);
end if;
elsif Str (Index) = '.'
or else Str (Index) in '0' .. '9'
then
if Current_X_File /= -1 then
Process_Entity_Line (First_Pass => First_Pass);
end if;
else
-- The start of another section in the ALI file
exit;
end if;
Next_Line;
end loop;
end Process_Xref_Section;
-------------------------
-- Process_Entity_Line --
-------------------------
procedure Process_Entity_Line (First_Pass : Boolean) is
Process_E2E : constant Boolean := not First_Pass;
Process_Refs : constant Boolean := not First_Pass;
Process_Scopes : constant Boolean := First_Pass;
Is_Library_Level : Boolean;
Is_Static_Local : Boolean;
Ref_Entity : Integer;
Name_End, Name_Start : Integer;
Entity_Kind : Character;
Visibility : Character;
Eid : E2e_Id;
Order : Natural := 0;
Will_Insert_Ref : Boolean;
Instance : Unbounded_String;
End_Of_Spec_Line : Natural := 0;
begin
if Str (Index) = '.' then
-- Same entity as before, so we do not change current entity
Index := Index + 2; -- First ref on that line
else
Get_Ref;
Entity_Kind := Xref_Kind;
Visibility := Get_Char;
Is_Library_Level := Visibility = '*';
Is_Static_Local := Visibility = '+';
Name_Start := Index;
Skip_To_Name_End;
Name_End := Index - 1;
if Process_E2E then
-- After First_Pass, we know the entity exists, so it is safe
-- to call Element directly.
Current_Entity := Entity_Decl_To_Id.Element
((File_Id => Current_X_File,
Line => Xref_Line,
Column => Xref_Col)).Id;
Spec_Start_Line := Xref_Line;
-- But now we also know the caller at declaration, so we can
-- set it.
if Current_X_File_Unit_File_Index /= -1 then
declare
Caller : Integer :=
Get_Caller (Scope_Trees,
Current_X_File_Unit_File_Index,
Xref_Line);
begin
if Caller /= -1 then
if Caller = Current_Entity then
Caller := Get_Caller
(Decl_Scope_Trees,
Current_X_File_Unit_File_Index,
Xref_Line);
end if;
if Caller /= Current_Entity then
DB.Execute
(Query_Set_Caller_At_Decl,
Params => (1 => +Current_Entity,
2 => +Caller));
end if;
end if;
end;
end if;
else -- First pass, we might need to create the entity
-- For operators, omit the quotes when inserting into the
-- database (since that's not what references to that
-- entity will be using anyway.
if Str (Name_Start) = '"'
and then Str (Name_End) = '"'
then
Name_Start := Name_Start + 1;
Name_End := Name_End - 1;
end if;
Spec_Start_Line := Xref_Line;
Current_Entity := Get_Or_Create_Entity
(Name => String (Str (Name_Start .. Name_End)),
Decl_File => Current_X_File,
Decl_Line => Spec_Start_Line,
Decl_Column => Xref_Col,
Kind => Xref_Kind,
Is_Global => Is_Library_Level,
Is_Static_Local => Is_Static_Local,
Set_Mangled_Name => Current_X_File_Export_Mangled);
end if;
Name_End := Index;
-- Process the extra information we had (pointed type,...)
if Str (Name_End) = '=' then
-- First, renaming info, as in
-- 17p4 S=17:30{83|45P9} 34r10
-- Difficulty here is that after '=' we have the location of
-- a reference, so we need to find the corresponding entity
-- before we can insert in the database. We'll do that once we
-- have inserted all other refs.
Index := Name_End + 1;
Get_Ref;
Name_End := Index;
if Process_E2E
and then (Current_X_File_Unit_File_Index /= -1
or else Always_Parse_E2E)
then
Entity_Renamings.Append
((Entity => Current_Entity,
File => Xref_File,
Line => Xref_Line,
Column => Xref_Col,
From_LI => ALI_Id,
Kind => E2e_Renames));
end if;
end if;
loop
Index := Name_End + 1;
Order := Order + 1;
Xref_File := Current_X_File;
Xref_File_Unit_File_Index := Current_X_File_Unit_File_Index;
case Str (Name_End) is
when '[' =>
-- Instantiation reference, as in
-- 5K12 G[1|3] 7r24 8r8 11r4
-- No column information
if not Get_Ref_Or_Predefined
(Endchar => ']',
Eid => E2e_Instance_Of,
E2e_Order => Order,
With_Col => False,
Process_E2E => Process_E2E)
then
return;
end if;
when '<' =>
-- Points to the parent types as in
-- 7I9 My_Integer<integer> 8r28
-- 9R9*My_Tagged<7|2R9><8R9> 9e69
-- For an array, this is the index type (can be
-- duplicated when there are multiple indexes)
-- For an overriding operation, this points to the
-- overridden operation.
if Xref_Kind = 'o' then
Eid := E2e_Overrides;
else
case Entity_Kind is
when 'A' | 'a' =>
Eid := E2e_Has_Index;
when 'G' | 'u' | 'U' | 'v' | 'V' | 'y' | 'x' =>
Eid := E2e_Overrides;
when 'c' => -- Temporary workaround for M220-019
Eid := E2e_Of_Type;
when others =>
Eid := E2e_Parent_Type;
end case;
end if;
if not Get_Ref_Or_Predefined
(Endchar => '>',
Eid => Eid,
E2e_Order => Order,
Process_E2E => Process_E2E)
then
return;
end if;
when '(' =>
-- Points to designated type or component type for array
-- 6A9*My_Array(4I9)<3I9>
-- where 4I9 is component type, and 3I9 is index type
case Entity_Kind is
when 'A' | 'a' =>
Eid := E2e_Component_Type;
when 'P' | 'p' =>
Eid := E2e_Pointed_Type;
when 'G' | 'v' | 'V' | 'y' =>
Eid := E2e_Of_Type; -- return type
when others =>
if Active (Me_Error) then
Trace (Me_Error,
"(...) for an entity of kind "
& Entity_Kind'Img);
end if;
Eid := -1;
end case;
if not Get_Ref_Or_Predefined
(Endchar => ')',
Eid => Eid,
E2e_Order => Order,
Process_E2E => Process_E2E)
then
return;
end if;
when '{' =>
-- Points to ancestor type for subtypes
-- Points to result type for functions
-- Points to enum type for enumeration literal
-- Points to type for objects and components
case Entity_Kind is
when 'G' | 'v' | 'V' | 'y' =>
Eid := E2e_Of_Type; -- Return type
when 'n' =>
Eid := E2e_From_Enumeration;
when 'J' | 'R' =>
Eid := E2e_Parent_Type;
when others =>
Eid := E2e_Of_Type;
end case;
if not Get_Ref_Or_Predefined
(Endchar => '}', Eid => Eid, E2e_Order => Order,
Process_E2E => Process_E2E)
then
return;
end if;
when ' ' | ASCII.CR =>
exit;
when ASCII.LF =>
-- For the next call to Next_Line
Index := Name_End;
return;
when others =>
if Active (Me_Error) then
Trace
(Me_Error, "Unexpected character in ALI: "
& Character'Image (Str (Name_End))
& " in '"
& String
(Str (Name_End
.. Integer'Min (Name_End + 20, Last)))
& "'");
end if;
return;
end case;
Name_End := Index;
end loop;
Index := Name_End;
Xref_File := Current_X_File;
Xref_File_Unit_File_Index := Current_X_File_Unit_File_Index;
Body_Start_Line := -1;
end if;
while Index <= Last
and then Str (Index) /= ASCII.LF
and then Str (Index) /= ASCII.CR
loop
Skip_Spaces;
Get_Ref;
-- We want to store in which instantiation the ref is found,
-- so that we can display useful info in tooltips. There can be
-- nested instantiation information. For instance,
-- gtk-handler.ali contains the following:
-- X 42 gtk-marshallers.ads
-- 290P15 Handler(40|446E12) 40|778r33[545[673]]
-- X 40 gtk-handlers.ads
-- 778p10 Cb{42|290P15[545[673]]}
--
-- in gtk-marshallers.ads
-- generic
-- package User_Return_Marshallers is -- line 235
-- generic
-- package Generic_Widget_Marshaller is -- line 289
-- type Handler is access function -- line 290
--
-- in gtk-handlers.ads
-- generic
-- package User_Return_Callback is
-- package Widget_Marshaller is -- 545
-- new Marshallers.Generic_Widget_Marshaller(..) -- 545
-- end User_Return_Callback;
-- package User_Return_Callback_With_Setup is --- 671
-- package Internal_Cb is new User_Return_Callback -- 673
-- ...
-- package Marshallers renames Internal_Cb.Marshallers; 678
-- package Widget_Marshaller -- 761
-- renames Internal_Cb.Widget_Marshaller; -- 761
-- function To_Marshaller -- 777
-- (Cb : Widget_Marshaller.Handler) -- 778
--
-- If the user gets info for "Handler" on line 778, we want to
-- show a tooltip that contains
-- from instance at gtk-handlers.ads:545
-- from instance at gtk-handlers.ads:673
Skip_Instance_Info (Instance);
Eid := -1;
case Xref_Kind is
when '>' =>
Eid := E2e_In_Parameter;
End_Of_Spec_Line := Xref_Line;
when '<' =>
Eid := E2e_Out_Parameter;
End_Of_Spec_Line := Xref_Line;
when '=' =>
Eid := E2e_In_Out_Parameter;
End_Of_Spec_Line := Xref_Line;
when '^' =>
Eid := E2e_Access_Parameter;
End_Of_Spec_Line := Xref_Line;
when 'p' | 'P' =>
Eid := E2e_Has_Primitive;
when 'k' =>
Eid := E2e_Parent_Package;
when 'd' =>
Eid := E2e_Has_Discriminant;
when 'z' =>
Eid := E2e_Is_Formal_Of;
when 'c' => -- completion of spec
Spec_Start_Line := Xref_Line;
when 'b' => -- body
Body_Start_Line := Xref_Line;
-- ??? Should we look in the reference_kinds table to see what
-- kinds mark end of scopes.
when 'e' => -- end of spec
if Xref_File_Unit_File_Index /= -1 then
End_Of_Spec_Line := Xref_Line;
end if;
when 't' => -- end of body
if Process_Scopes
and then Body_Start_Line /= -1
and then Xref_File_Unit_File_Index /= -1
then
Insert (Scope_Trees (Xref_File_Unit_File_Index),
Entity => Current_Entity,
Low => Body_Start_Line,
High => Xref_Line);
if Body_Start_Line + 1 <= Xref_Line then
Insert (Decl_Scope_Trees (Xref_File_Unit_File_Index),
Entity => Current_Entity,
Low => Body_Start_Line + 1,
High => Xref_Line);
end if;
end if;
when others =>
null;
-- real references, or not an entity->entity relationship
end case;
if Eid = -1 then
if not Process_Refs then
Will_Insert_Ref := False;
else
Will_Insert_Ref :=
not ALI_Contains_External_Refs
or else Xref_File_Unit_File_Index /= -1;
end if;
if Will_Insert_Ref then
declare
Inst : aliased String := To_String (Instance);
Caller : Integer :=
Get_Caller (Scope_Trees, Xref_File_Unit_File_Index,
Xref_Line);
begin
if Caller = -1 then
DB.Execute
(Query_Insert_Ref,
Params => (1 => +Current_Entity,
2 => +Xref_File,
3 => +Xref_Line,
4 => +Xref_Col,
5 => +Xref_Kind,
6 => Copy (Inst'Unrestricted_Access)));
else
if Caller = Current_Entity then
Caller := Get_Caller
(Decl_Scope_Trees, Xref_File_Unit_File_Index,
Xref_Line);
end if;
DB.Execute
(Query_Insert_Ref_With_Caller,
Params => (1 => +Current_Entity,
2 => +Xref_File,
3 => +Xref_Line,
4 => +Xref_Col,
5 => +Xref_Kind,
6 => Copy (Inst'Unrestricted_Access),
7 => +Caller));
end if;
end;
end if;
elsif Process_E2E
and then (Current_X_File_Unit_File_Index /= -1
or else Always_Parse_E2E)
then
-- The reference necessarily points to the declaration of
-- the parameter, which exists in the same ALI file (but not
-- necessarily the same source file).
Will_Insert_Ref := not ALI_Contains_External_Refs
or else Xref_File_Unit_File_Index /= -1
or else (Current_X_File_Unit_File_Index /= -1
or else Always_Parse_E2E);
if Will_Insert_Ref then
begin
Ref_Entity := Entity_Decl_To_Id.Element
((File_Id => Xref_File,
Line => Xref_Line,
Column => Xref_Col)).Id;
DB.Execute
(Query_Insert_E2E,
Params => (1 => +Current_Entity,
2 => +Ref_Entity,
3 => +Eid,
4 => +Order));
Order := Order + 1;
exception
when Constraint_Error =>
Entity_Renamings.Append
((Entity => Current_Entity,
File => Xref_File,
Line => Xref_Line,
Column => Xref_Col,
From_LI => ALI_Id,
Kind => Eid));
end;
end if;
end if;
end loop;
-- Not all subprogram specs get a 'e' line, so we also try to guess
-- the end of spec by looking at the last parameter declaration.
if Process_Scopes
and then Current_X_File_Unit_File_Index /= -1
and then End_Of_Spec_Line /= 0
then
Insert (Scope_Trees (Current_X_File_Unit_File_Index),
Entity => Current_Entity,
Low => Spec_Start_Line,
High => End_Of_Spec_Line);
if Spec_Start_Line + 1 <= Xref_Line then
Insert (Decl_Scope_Trees (Current_X_File_Unit_File_Index),
Entity => Current_Entity,
Low => Spec_Start_Line + 1,
High => End_Of_Spec_Line);
end if;
end if;
if Index <= Str'Last and then Str (Index) = ASCII.CR then
if Index = Str'Last or else Str (Index + 1) = ASCII.LF then
Index := Index + 1;
end if;
end if;
end Process_Entity_Line;
Start_Of_X_Section : Integer;
begin -- Parse_LI
if LI.LI.LI_Project /= null then
LI_Project := Project_Type (LI.LI.LI_Project.all);
end if;
if Active (Me_Parsing) then
Increase_Indent
(Me_Parsing, "Parse LI "
& (+LI.LI.Library_File.Unix_Style_Full_Name
(Normalize => True))
& " in project " & LI_Project.Name);
end if;
M := Open_Read
(Filename => +LI.LI.Library_File.Full_Name.all,
Use_Mmap_If_Available => True);
Read (M);
Str := Data (M);
Last := GNATCOLL.Mmap.Last (M);
Index := Str'First;
loop
Next_Line;
if Index > Last then
if Active (Me_Parsing) then
Decrease_Indent (Me_Parsing);
end if;
return;
end if;
case Str (Index) is
when 'U' =>
-- Describes a unit associated with the LI file
Index := Index + 2;
Skip_Word; -- Skip unit name
Skip_Spaces;
Start := Index;
Skip_Word;
Dep_Id := Insert_Source_File
(Basename => Filesystem_String (Str (Start .. Index - 1)),
Project => LI_Project, -- same as the LI
Is_ALI_Unit => True).Id;
-- An ALI file could contain the information for two
-- compilation units (in general the spec and body). We use
-- this to set dependencies between spec and body. The body
-- always appears first, as in:
-- U a%b a.adb 0b5f8c76 NE OO PK
-- U a%s a.ads 9552ba58 EE NE OO PK
if Current_Unit_Id /= -1 and then Dep_Id /= -1 then
DB.Execute
(Query_Set_File_Dep,
Params => (1 => +Current_Unit_Id, 2 => +Dep_Id));
end if;
Current_Unit_Id := Dep_Id;
-- In general, we need to remove old references already known
-- in this source file. However, in the case of source files
-- with multiple units, we should only do so for the first ALI
-- file we are seeing, otherwise later ALI files (which have
-- also changed, necessarily) will remove the references we
-- just added.
if Current_Unit_Id /= -1 then
DB.Execute
(Query_Set_ALI,
Params => (1 => +Current_Unit_Id,
2 => +ALI_Id));
end if;
when 'W' | 'Z' =>
-- Describes a "with" dependency with the last seen U line.
-- There are two cases:
-- W ada.text_io%s a-textio.adb system.ali
-- W unchecked_deallocation%s
-- The second line does not have ALI information.
-- On the first line, the file name is that of the body unless
-- there is only a spec, and yet the dependency is in general
-- on the spec.
Index := Index + 2;
Dep_Id := -1;
declare
Word_Start : constant Integer := Index;
Part : Unit_Parts;
begin
Skip_Word;
if Str (Index - 1) = 's' then
Part := Unit_Spec;
else
Part := Unit_Body;
end if;
declare
F : constant Filesystem_String :=
LI_Project.File_From_Unit
(Unit_Name => String (Str (Word_Start .. Index - 3)),
Part => Part,
Language => "ada");
begin
if F /= "" then
Skip_Spaces;
Skip_Word;
Dep_Id := Insert_Source_File (F, LI_Project).Id;
elsif Str (Index) /= ASCII.LF
and then Str (Index) /= ASCII.CR
then
Skip_Spaces;
Start := Index;
Skip_Word;
Dep_Id := Insert_Source_File
(Filesystem_String (Str (Start .. Index - 1)),
LI_Project).Id;
else
-- second format ("unchecked_deallocation%s\n").
Dep_Id := -1;
end if;
if Current_Unit_Id /= -1
and then Dep_Id /= -1
then
DB.Execute
(Query_Set_File_Dep,
Params =>
(1 => +Current_Unit_Id, 2 => +Dep_Id));
end if;
end;
end;
when 'D' =>
-- All dependencies for all units (used as indexes in xref)
Index := Index + 2;
Start := Index;
Skip_Word;
declare
Base_Last : constant Integer := Index - 1;
Basename : constant Filesystem_String :=
Filesystem_String (Str (Start .. Base_Last));
Info : File_Db_Info;
File : File_Info;
begin
Skip_Spaces;
Skip_Word;
Skip_Spaces;
Skip_Word;
if not Is_GLI_File then
-- Is this a dependency for a separate unit ? GNAT will
-- not generate a 'U' line for separates, but special D
-- lines that list the name of the unit, as in:
-- D a~bar.adb 20111220095636 1986a86b a.bar
--
-- For D lines of units that are not subunits, the unit
-- name ends with %b or %s, as in:
-- D toto.adb 20140302175738 6a5da479 toto%b
-- D system.ads 20120706154652 90249111 system%s
declare
Is_Subunit : Boolean :=
Str (Index) /= ASCII.LF
and then Str (Index) /= ASCII.CR;
begin
if Is_Subunit then
Skip_Spaces;
Skip_Word;
if Str (Index - 2) = '%' then
Is_Subunit := False;
end if;
end if;
Info := Insert_Source_File
(Filesystem_String (Str (Start .. Base_Last)),
LI_Project,
Is_ALI_Unit => Is_Subunit);
if Is_Subunit and then Info.Id /= -1 then
DB.Execute
(Query_Set_ALI,
Params => (1 => +Info.Id,
2 => +ALI_Id));
end if;
end;
-- Handle C/C++ include files
else
File := LI_Project.Create_From_Project (Basename);
if File.File = GNATCOLL.VFS.No_File then
if Active (Me_Parsing) then
Trace (Me_Parsing, "On D line, file " & (+Basename)
& " not found in "
& LI_Project.Project_Path.Display_Full_Name);
end if;
end if;
-- The first time we visit a dependency of an include
-- file we handle it as if it were a true separate ALI
-- unit (to compute its scope-tree).
if not Visited_ALI_Units.Contains (File.File)
and then not Visited_GLI_Files.Contains (File.File)
then
Info := Insert_Source_File
(File.File.Full_Name.all,
LI_Project, Is_ALI_Unit => True);
Visited_GLI_Files.Include (File.File, Info);
else
Info := Insert_Source_File
(File.File.Full_Name.all,
LI_Project, Is_ALI_Unit => False);
end if;
end if;
Dep_Id := Info.Id;
Depid_To_Id.Set_Length
(Ada.Containers.Count_Type (D_Line_Id));
Depid_To_Id.Replace_Element
(Index => D_Line_Id,
New_Item => Info);
end;
D_Line_Id := D_Line_Id + 1;
when 'A' =>
-- Compiler switches.
Skip_Word;
Skip_Spaces;
Start := Index;
Skip_Word;
if Str (Start .. Index - 1) = "-gnatW8" then
-- File is marked as UTF-8 encoded
Iconv_State := Iconv_Open
(To_Code => UTF8, From_Code => UTF8, Ignore => True);
elsif Str (Start .. Index - 1) = "-gnati1" then
-- File is marked as ISO-8859-1 encoded
Iconv_State := Iconv_Open
(To_Code => UTF8, From_Code => ISO_8859_1, Ignore => True);
elsif Str (Start .. Index - 1) = "-gnati2" then
-- File is marked as ISO-8859-2 encoded
Iconv_State := Iconv_Open
(To_Code => UTF8, From_Code => ISO_8859_2, Ignore => True);
elsif Str (Start .. Index - 1) = "-gnati3" then
-- File is marked as ISO-8859-3 encoded
Iconv_State := Iconv_Open
(To_Code => UTF8, From_Code => ISO_8859_3, Ignore => True);
elsif Str (Start .. Index - 1) = "-gnati4" then
-- File is marked as ISO-8859-4 encoded
Iconv_State := Iconv_Open
(To_Code => UTF8, From_Code => ISO_8859_4, Ignore => True);
elsif Str (Start .. Index - 1) = "-gnati5" then
-- File is marked as ISO-8859-5 encoded
Iconv_State := Iconv_Open
(To_Code => UTF8, From_Code => ISO_8859_5, Ignore => True);
elsif Str (Start .. Index - 1) = "-gnati9" then
-- File is marked as ISO-8859-15 encoded
Iconv_State := Iconv_Open
(To_Code => UTF8,
From_Code => ISO_8859_15,
Ignore => True);
end if;
when 'X' =>
-- Now process all 'X' sections, that contain the actual xref.
-- This is done in two passes: first create entries in the db
-- for all the entities, since we need to map from the location
-- of a declaration to an id to resolve pointers to parent
-- types, index types,... Then process the xref for each
-- entity.
Start_Of_X_Section := Index;
Process_Xref_Section (First_Pass => True);
Index := Start_Of_X_Section;
Process_Xref_Section (First_Pass => False);
exit; -- done with this LI file
when others =>
null;
end case;
end loop;
Free (Scope_Trees);
Free (Decl_Scope_Trees);
Close (M);
-- Close Iconv state when it was opened by this function.
if Iconv_State /= Default_Iconv_State then
Iconv_Close (Iconv_State);
end if;
if Active (Me_Parsing) then
Decrease_Indent (Me_Parsing);
end if;
end Parse_LI;
-------------------
-- Initialize_DB --
-------------------
procedure Initialize_DB
(Database : in out Xref_Database;
DB : Database_Connection;
From_DB_Name : String;
DB_Created : out Boolean;
Force : Boolean)
is
Start : Time;
R : Forward_Cursor;
Is_Sqlite : constant Boolean := SQL.Sqlite.Is_Sqlite (Database.DB);
Need_To_Create : Boolean;
begin
DB_Created := False;
if Is_Sqlite and then (Force or else not Database.DB_Created) then
Database.DB_Created := True;
declare
Current_DB : constant String := SQL.Sqlite.DB_Name (DB);
Schema_Is_Valid : Boolean := True;
begin
R.Fetch (DB, "PRAGMA user_version;");
if not DB.Success
or else R.Integer_Value (0) /= Schema_Version
then
Schema_Is_Valid := False;
end if;
-- schema was never created, or is incorrect version
if not Schema_Is_Valid then
Need_To_Create := True;
if Current_DB /= From_DB_Name
and then From_DB_Name /= ""
and then GNAT.OS_Lib.Is_Regular_File (From_DB_Name)
then
Trace (Me_Debug, "Copying database from " & From_DB_Name);
if Active (Me_Timing) then
Start := Clock;
end if;
if not GNATCOLL.SQL.Sqlite.Backup
(DB1 => DB,
DB2 => From_DB_Name,
From_DB1_To_DB2 => False)
then
Trace
(Me_Error,
"Failed to copy the database from " & From_DB_Name);
elsif Active (Me_Timing) then
Trace (Me_Timing, "Copy " & From_DB_Name
& " to " & Current_DB & ":"
& Duration'Image (Clock - Start) & " s");
end if;
R.Fetch (DB, "PRAGMA user_version;");
if not DB.Success
or else R.Integer_Value (0) /= Schema_Version
then
Trace (Me_Error,
"Schema Version from copied db was incorrect");
else
-- Schema version is good, no need to recreate
Need_To_Create := False;
end if;
end if;
if Need_To_Create then
Trace (Me_Timing, "Creating the database schema");
Create_Database (DB);
DB_Created := True;
end if;
end if;
end;
end if;
end Initialize_DB;
-------------------------------
-- Search_LI_Files_To_Update --
-------------------------------
procedure Search_LI_Files_To_Update
(Database : Xref_Database;
LI_Files : Library_Info_List;
LIs : in out LI_Lists.List;
Force_Refresh : Boolean)
is
Lib_Info : Library_Info_Lists.Cursor := LI_Files.First;
Files : Forward_Cursor;
LI : LI_Info;
begin
while Has_Element (Lib_Info) loop
-- ??? Computing the timestamp is potentially slow
-- on Windows (conversion to Time).
LI :=
(LI => Element (Lib_Info),
Id => -1, -- unknown in the database
Is_New => False,
Stamp => Element (Lib_Info).Library_File.File_Time_Stamp);
declare
N : aliased String :=
+LI.LI.Library_File.Unix_Style_Full_Name (Normalize => True);
begin
Files.Fetch
(Database.DB, Query_Get_File,
Params => (1 => Copy (N'Unchecked_Access)));
if Files.Has_Row then
if not Force_Refresh
and then Files.Time_Value (1) = LI.Stamp
then
LI.Id := -2; -- Already up-to-date
else
LI.Id := Files.Integer_Value (0);
Database.DB.Execute
(Query_Update_LI_File,
Params => (1 => +LI.Id, 2 => +LI.Stamp));
LIs.Append (LI);
end if;
else
-- We need to insert the LI in the database now, because the
-- same LI file could be seen again if we are using aggregate
-- projects
LI.Is_New := True;
LI.Id := Database.DB.Insert_And_Get_PK
(Query_Insert_LI_File,
Params => (1 => Copy (N'Unchecked_Access),
2 => +LI.Stamp),
PK => GNATCOLL.Xref.Database.Files.Id);
LIs.Append (LI);
end if;
end;
Next (Lib_Info);
end loop;
end Search_LI_Files_To_Update;
------------------------
-- Parse_All_LI_Files --
------------------------
procedure Parse_All_LI_Files
(Self : in out Xref_Database;
Project : Project_Type;
Parse_Runtime_Files : Boolean := True;
Show_Progress : access procedure (Cur, Total : Integer) := null;
From_DB_Name : String := "";
To_DB_Name : String := "";
ALI_Encoding : String := GNATCOLL.Iconv.Locale;
Force_Refresh : Boolean := False)
is
Is_Sqlite : constant Boolean := SQL.Sqlite.Is_Sqlite (Self.DB);
Destroy_Indexes : Boolean := False;
-- If Destroy_Indexes is True, then some of the database indexes will
-- be temporarily disabled and then recreated in the end. This will be
-- faster when doing major changes, but will be slower otherwise. In any
-- case, the index is only destroyed if actual changes take place in the
-- database.
Do_Analyze : Boolean := False;
-- Whether to perform a "ANALYZE". This is really only needed the first
-- time, since it will give a good idea of the contents of the database.
-- This is not needed later on.
-- ??? Perhaps once a day would be nice ?
LI_Files : Library_Info_List;
LIs : LI_Lists.List;
Source_To_Id : VFS_To_Ids.Map;
Project_To_Id : VFS_To_Ids.Map;
Visited_ALI_Units : VFS_To_Ids.Map;
Visited_GLI_Files : VFS_To_Ids.Map;
Entity_Decl_To_Id : Loc_To_Ids.Map;
Entity_Renamings : Entity_Renaming_Lists.List;
procedure Resolve_Renamings (DB : Database_Connection);
-- The last pass in parsing a ALI file is to resolve all renamings, now
-- that we can convert a reference to an entity
procedure Backup_DB_If_Needed
(DB : Database_Connection; To_DB : String);
-- Dump the database to disk if needed.
procedure Recreate_Indexes (DB : Database_Connection);
-- Recreate the indexes if needed
procedure Finalize_DB (DB : Database_Connection);
-- After parsing LI files, do the last post-processing in the database
-- (recreate indexes, analyze,...)
procedure Start_Transaction
(DB : Database_Connection;
Destroy_Indexes : Boolean);
-- Prepare the database for editing, once we have detected some LI
-- files need to be updated.
procedure Create_Project_Entries (DB : Database_Connection);
-- Make sure that all project files have an entry in the files table
procedure Parse_Files (DB : Database_Connection);
-- Parse files that need it
-----------------------
-- Resolve_Renamings --
-----------------------
procedure Resolve_Renamings (DB : Database_Connection) is
C : Entity_Renaming_Lists.Cursor := Entity_Renamings.First;
Ren : Entity_Renaming;
Start : Time;
begin
if Active (Me_Timing) then
Start := Clock;
end if;
while Has_Element (C)
and then Self.DB.Success
loop
Ren := Element (C);
DB.Execute
(Query_Set_Entity_Renames,
Params => (1 => +Ren.Entity,
2 => +Ren.File,
3 => +Ren.Line,
4 => +Ren.Column,
5 => +Ren.Kind));
Next (C);
end loop;
if Active (Me_Timing)
and then not Entity_Renamings.Is_Empty
then
Trace (Me_Timing,
"Processed" & Length (Entity_Renamings)'Img
& " incomplete refs:"
& Duration'Image (Clock - Start) & " s");
end if;
end Resolve_Renamings;
-------------------------
-- Backup_DB_If_Needed --
-------------------------
procedure Backup_DB_If_Needed
(DB : Database_Connection; To_DB : String)
is
Start : Time;
begin
if Is_Sqlite
and then To_DB /= ""
and then GNATCOLL.SQL.Sqlite.DB_Name (DB) /= To_DB
then
if Active (Me_Timing) then
Start := Clock;
end if;
if not GNATCOLL.SQL.Sqlite.Backup
(DB1 => DB,
DB2 => To_DB)
then
Trace (Me_Error, "Failed to backup the database to disk");
elsif Active (Me_Timing) then
Trace (Me_Timing,
"Backup to " & To_DB & ":"
& Duration'Image (Clock - Start) & " s");
end if;
end if;
end Backup_DB_If_Needed;
----------------------
-- Recreate_Indexes --
----------------------
procedure Recreate_Indexes (DB : Database_Connection) is
Should_Create : Boolean := Destroy_Indexes;
-- Whether we should recreate the indexes: yes if we destroyed
-- them earlier.
R : Forward_Cursor;
Start : Time;
begin
if not Should_Create then
-- Check whether index 'entity_refs_entity' is missing
-- ??? This is sqlite-specific
R.Fetch (DB, "SELECT * FROM sqlite_master WHERE type='index'"
& "AND name='entity_refs_entity'");
Should_Create := not R.Has_Row;
end if;
if Should_Create then
if Active (Me_Timing) then
Start := Clock;
end if;
DB.Execute
("CREATE INDEX entity_refs_entity on entity_refs(entity)");
DB.Execute
("CREATE INDEX entity_refs_loc on entity_refs"
& "(line, ""column"")");
-- These two indexes are slow to create, but without them the
-- queries on e2e are too slow.
DB.Execute ("CREATE INDEX e2e_from on e2e(fromEntity)");
DB.Execute ("CREATE INDEX e2e_to on e2e(toEntity)");
DB.Execute
("CREATE INDEX entity_decl_caller on entities(decl_caller)");
DB.Execute
("CREATE INDEX refs_caller on entity_refs(caller)");
if Active (Me_Timing) then
Trace (Me_Timing,
"CREATE INDEXes: "
& Duration'Image (Clock - Start) & " s");
end if;
end if;
end Recreate_Indexes;
-----------------
-- Finalize_DB --
-----------------
procedure Finalize_DB (DB : Database_Connection) is
Start : Time;
begin
Recreate_Indexes (DB);
-- Do this once we have restored the indexes, to speed up the search
Resolve_Renamings (DB);
-- Need to commit before we can change the pragmas
DB.Commit_Or_Rollback;
if DB.Has_Pragmas then
DB.Execute ("PRAGMA foreign_keys=ON;");
-- The default would be FULL, but we do not need to guard against
-- system crashes in this application.
DB.Execute ("PRAGMA synchronous=NORMAL;");
-- The default would be DELETE, but we do not care enough about
-- data integrity. WAL apparently allows readers even while there
-- is a writer. MEMORY might corrupt the database if the writer is
-- killed while processing.
if Active (Me_Use_WAL) then
DB.Execute ("PRAGMA journal_mode=WAL;");
end if;
-- We can store temporary tables in memory
DB.Execute ("PRAGMA temp_store=MEMORY;");
end if;
-- Gather statistics to speed up the query optimizer. This isn't
-- systematically needed, and might take a while to generate, so we
-- do it when the user also wanted to rebuild the index
if Do_Analyze then
if Active (Me_Timing) then
Start := Clock;
end if;
DB.Execute ("ANALYZE");
if Active (Me_Timing) then
Trace
(Me_Timing,
"ANALYZE:" & Duration'Image (Clock - Start) & " s");
end if;
end if;
end Finalize_DB;
-----------------------
-- Start_Transaction --
-----------------------
procedure Start_Transaction
(DB : Database_Connection;
Destroy_Indexes : Boolean) is
begin
if DB.Has_Pragmas then
-- Disable checks for foreign keys. This saves a bit of time when
-- inserting the new references. At worse we could end up with an
-- entity or a reference whose kind does not match an entry in the
-- *_kind tables, and the xref will not show later on in query,
-- but that's easily fixed by adding the new entry in the *_kind
-- table (this occurs when the format of LI files is changed).
DB.Execute ("PRAGMA foreign_keys=OFF;");
DB.Execute ("PRAGMA synchronous=NORMAL;");
if Active (Me_Use_WAL) then
DB.Execute ("PRAGMA journal_mode=WAL;");
end if;
DB.Execute ("PRAGMA temp_store=MEMORY;");
DB.Execute ("PRAGMA mmap_size=268435456;");
end if;
DB.Automatic_Transactions (False);
DB.Execute ("BEGIN");
if Destroy_Indexes then
DB.Execute ("DROP INDEX entity_refs_entity;");
DB.Execute ("DROP INDEX entity_refs_loc;");
DB.Execute ("DROP INDEX e2e_from;");
DB.Execute ("DROP INDEX e2e_to;");
DB.Execute ("DROP INDEX entity_decl_caller;");
DB.Execute ("DROP INDEX refs_caller;");
end if;
end Start_Transaction;
----------------------------
-- Create_Project_Entries --
----------------------------
procedure Create_Project_Entries (DB : Database_Connection) is
Iter : Project_Iterator := Self.Tree.Root_Project.Start;
P : Project_Type;
R : Forward_Cursor;
begin
loop
P := GNATCOLL.Projects.Current (Iter);
exit when P = No_Project;
declare
N : aliased String :=
+P.Project_Path.Unix_Style_Full_Name (Normalize => True);
Id : Integer;
begin
R.Fetch (DB, Query_Get_File, (1 => Copy (N'Unchecked_Access)));
if R.Has_Row then
Id := R.Integer_Value (0);
else
Id := DB.Insert_And_Get_PK
(Query_Insert_Project_File,
Params => (1 => Copy (N'Unchecked_Access)),
PK => Database.Files.Id);
end if;
Project_To_Id.Include
(P.Project_Path,
File_Db_Info'
(Id => Id,
Export_Mangled_Name => False));
end;
Next (Iter);
end loop;
end Create_Project_Entries;
-----------------
-- Parse_Files --
-----------------
procedure Parse_Files (DB : Database_Connection) is
LI_C : LI_Lists.Cursor;
Lib : LI_Info;
Start : Time;
Dur : Duration;
Total : constant Integer := Integer (LIs.Length);
Current : Natural := 1;
Iconv_State : Iconv_T;
begin
if Active (Me_Timing) then
Start := Clock;
end if;
Iconv_State := Iconv_Open
(To_Code => UTF8, From_Code => ALI_Encoding, Ignore => True);
-- Cleanup the database by removing obsolete information. This
-- includes:
-- * finding source files for which the LI unit has changed (call
-- them temp_files)
-- * finding all entities defined in one of those temp_files. Call
-- them temp_entities).
-- * all references to any entities within those temp_files
--
-- Before doing the rest of the cleanup, we want to try and preserve
-- entities that still exist in the new LI file. This is approximate
-- but should work almost always: when an entity with the same name
-- and exactly the same declaration for its location exists, we
-- remove it from temp_entities, so that its references in other
-- files are preserved.
--
-- * all references, anywhere, to one of the temp_entities
-- See note below
-- * all e2e information from or to one of the temp_entities
-- * all the temp_entities themselves.
-- * remove f2f originating from one of the temp_files (typically
-- the dependencies these files have on others). After this step
-- we cannot recompute the list of temp_files, so this must be
-- last).
--
-- Note that this cleanup is correct, but if all the ALI files are
-- not consistent we are losing information. For instance, a
-- reference to a temp_entities whose declaration line has changed,
-- in a file we are not parsing again will not exist anymore,
-- so files with obsolete ALI files will have partial xref only.
-- Removing entities from temp_entities as we did above will hide
-- this issue somewhat.
--
-- Likewise for the e2e information, so we might no longer know that
-- an entity was inheriting from one of the temp_entities.
-- faster to delete the indexes before we delete things
Start_Transaction (DB, Destroy_Indexes => Destroy_Indexes);
DB.Execute ("CREATE TEMP TABLE temp_lis (id INTEGER PRIMARY KEY);");
LI_C := LIs.First;
while Has_Element (LI_C) loop
Lib := Element (LI_C);
if not Lib.Is_New then
DB.Execute
("INSERT INTO temp_lis VALUES (" & Lib.Id'Img & ");");
if Active (Me_Parsing) then
Trace (Me_Parsing, "Cleanup "
& Lib.LI.Library_File.Display_Full_Name);
end if;
end if;
Next (LI_C);
end loop;
DB.Execute ("CREATE TEMP TABLE temp_files (id INTEGER PRIMARY KEY);");
DB.Execute -- source files corresponding to the temp_lis
("INSERT INTO temp_files SELECT DISTINCT "
& " f2f.fromFile FROM f2f WHERE "
& " f2f.kind = 1 AND"
& " f2f.toFile IN (SELECT * FROM temp_lis);");
DB.Execute ("DROP TABLE temp_lis;");
DB.Execute -- defined in any of the temp_files
("CREATE TEMP TABLE temp_entities (id INTEGER PRIMARY KEY);");
DB.Execute
("INSERT INTO temp_entities SELECT entities.id FROM entities,"
& " temp.temp_files WHERE entities.decl_file=temp.temp_files.id;");
DB.Execute -- all import/with statements from LI_Units
("DELETE FROM f2f WHERE f2f.fromFile IN"
& " (SELECT id FROM temp_files);");
DB.Execute -- all references within LI_Units files
("DELETE FROM entity_refs WHERE entity_refs.file IN"
& " (SELECT id FROM temp_files);");
DB.Execute ("DROP TABLE temp_files;");
-- Information for Fromentity always come from the LI file declaring
-- the entity, so we should clean it up before parsing the LI file.
-- We can't do this for Toentity, since this information comes from
-- other LI files, and we will try to preserve it if possible (if the
-- entity still exists after all).
DB.Execute
("DELETE FROM e2e WHERE e2e.fromEntity IN"
& " (SELECT id FROM temp_entities);");
if DB.In_Transaction then
DB.Commit_Or_Rollback;
DB.Execute ("PRAGMA wal_checkpoint(RESTART);");
end if;
if Active (Me_Timing) then
Dur := Clock - Start;
Trace (Me_Timing,
"Cleaned up" & LIs.Length'Img & " files"
& Dur'Img & " s");
Start := Clock;
end if;
Start_Transaction (DB, Destroy_Indexes => False);
Create_Project_Entries (DB);
-- Now process the LI files
declare
Prev_Root : Project_Type := No_Project;
Lib : LI_Info;
begin
LI_C := LIs.First;
while Has_Element (LI_C) loop
begin
if Show_Progress /= null then
Show_Progress (Cur => Current, Total => Total);
Current := Current + 1;
end if;
Lib := Element (LI_C);
-- The Source_To_Id cache is only valid for a specific
-- aggregate tree, but needs to be cleared before we move
-- on to the next aggregated tree.
if Lib.LI.Non_Aggregate_Root_Project = null
and then Prev_Root /= No_Project
then
Prev_Root := No_Project;
Source_To_Id.Clear;
elsif Lib.LI.Non_Aggregate_Root_Project /= null
and then Prev_Root /=
Project_Type (Lib.LI.Non_Aggregate_Root_Project.all)
then
Prev_Root := Project_Type
(Lib.LI.Non_Aggregate_Root_Project.all);
Source_To_Id.Clear;
end if;
Parse_LI (Self => Self,
LI => Lib,
Default_Iconv_State => Iconv_State,
Source_To_Id => Source_To_Id,
Project_To_Id => Project_To_Id,
Visited_ALI_Units => Visited_ALI_Units,
Visited_GLI_Files => Visited_GLI_Files,
Entity_Decl_To_Id => Entity_Decl_To_Id,
Entity_Renamings => Entity_Renamings);
exception
when E : others =>
Trace (Me_Error, E);
end;
Next (LI_C);
end loop;
end;
-- ??? If we had a failure earlier, we will exit early and lose the
-- contents of temp_entities, and therefore never clean those
-- entities from the database until we parse the corresponding LI
-- files again.
DB.Execute
("DELETE FROM e2e WHERE e2e.toEntity IN"
& " (SELECT id FROM temp_entities);");
DB.Execute
("DELETE FROM entity_refs WHERE entity_refs.entity IN"
& " (SELECT id FROM temp_entities);");
DB.Execute
("DELETE FROM entities WHERE entities.id IN"
& " (SELECT id FROM temp_entities);");
DB.Execute ("DROP TABLE temp_entities;");
Iconv_Close (Iconv_State);
if Active (Me_Timing) then
Dur := Clock - Start;
Trace (Me_Timing,
"Parsed" & LIs.Length'Img & " files:"
& Duration'Image (Dur / Integer (LIs.Length)) & "/file,"
& Dur'Img & " s");
end if;
-- Do a commit now, so that other users (like GPS) can start
-- querying immediately even if we haven't recreated the indexes
-- yet.
if Active (Me_Commit_Before_Indexes)
and then DB.In_Transaction
then
DB.Commit_Or_Rollback;
DB.Execute ("PRAGMA wal_checkpoint(RESTART);");
-- Will need a new transaction for the indexes and renamings
Start_Transaction (DB, Destroy_Indexes => False);
end if;
end Parse_Files;
Absolute_Start : Time;
begin
if Active (Me_Timing) then
Absolute_Start := Clock;
end if;
Project.Library_Files
(Recursive => True,
Xrefs_Dirs => True,
Including_Libraries => True,
ALI_Ext => "^.*\.[ags]li$",
List => LI_Files,
Include_Predefined => Parse_Runtime_Files,
Exclude_Overridden => True);
if Active (Me_Timing) then
Trace (Me_Timing,
"Found" & Length (LI_Files)'Img & " [ags]li files");
end if;
declare
DB_Created : Boolean;
begin
Initialize_DB (Self, Self.DB, From_DB_Name, DB_Created,
Force => False); -- From_DB_Name -> Self.DB
if DB_Created then
Destroy_Indexes := True;
Do_Analyze := True;
end if;
end;
Search_LI_Files_To_Update
(Self, LI_Files, LIs, Force_Refresh => Force_Refresh);
Destroy_Indexes :=
Destroy_Indexes or else Length (LIs) > Indexes_Threshold;
if not LIs.Is_Empty then
-- Do we need to work in memory ?
-- - only if using sqlite
-- - unless DB is already in memory (in which case
-- Initialize_DB has already initialized it)
-- - if modifying enough LI files that dumping later does not cost
-- more than the update on disk would
if Is_Sqlite
and then GNATCOLL.SQL.Sqlite.DB_Name (Self.DB) /= ":memory:"
and then LIs.Length > Memory_Threshold
then
declare
Memory_Descr : constant Database_Description :=
GNATCOLL.SQL.Sqlite.Setup (":memory:");
Memory : constant Database_Connection :=
Memory_Descr.Build_Connection;
Start : Time;
begin
Destroy_Indexes := True;
Trace (Me_Timing, "Temporarily using an in-memory database");
declare
DB_Created : Boolean;
begin
Initialize_DB (Self, Memory, From_DB_Name, DB_Created,
Force => True); -- Self.DB -> :memory:
if DB_Created then
Do_Analyze := True;
end if;
end;
Parse_Files (Memory);
Finalize_DB (Memory);
if Active (Me_Timing) then
Start := Clock;
end if;
if not Memory.Success then
Trace (Me_Timing, "Failure, not copying :memory: to db");
elsif not GNATCOLL.SQL.Sqlite.Backup
(From => Memory, To => Self.DB) -- :memory: -> Self.DB
then
Trace (Me_Error, "Failed to copy from :memory: to DB");
elsif Active (Me_Timing) then
Trace (Me_Timing, "Copy from :memory: to "
& GNATCOLL.SQL.Sqlite.DB_Name (Self.DB) & ":"
& Duration'Image (Clock - Start) & " s");
end if;
end;
else
Parse_Files (Self.DB);
Finalize_DB (Self.DB);
end if;
Backup_DB_If_Needed (Self.DB, To_DB_Name); -- Self.DB -> To_DB_Name
end if;
if Active (Me_Timing) then
Trace (Me_Timing, "Total time:"
& Duration'Image (Clock - Absolute_Start) & " s");
end if;
exception
when E : others =>
Trace (Me_Error, E);
Self.DB.Rollback;
Recreate_Indexes (Self.DB);
raise;
end Parse_All_LI_Files;
--------------
-- Setup_DB --
--------------
procedure Setup_DB
(Self : in out Xref_Database;
Tree : not null GNATCOLL.Projects.Project_Tree_Access;
DB : not null access
GNATCOLL.SQL.Exec.Database_Description_Record'Class;
Error : in out GNAT.Strings.String_Access;
Delete_If_Mismatch : Boolean := False)
is
R : Forward_Cursor;
Current_DB : Virtual_File;
Success : Boolean;
procedure Recreate;
-- Recreates the database
--------------
-- Recreate --
--------------
procedure Recreate is
begin
if not Delete_If_Mismatch then
return;
end if;
Trace (Me_Error, "Recreate the database file");
Self.DB.Close;
Current_DB.Delete (Success);
Free (Error);
if not Success then
Error := new String'("Database cannot be recreated");
else
Self.DB := DB.Build_Connection;
Create_Database (Self.DB);
end if;
end Recreate;
begin
Error := null;
Free (Self.DB);
Self.DB := DB.Build_Connection;
Self.Tree := Tree;
Current_DB := Create (+SQL.Sqlite.DB_Name (Self.DB));
if SQL.Sqlite.Is_Sqlite (Self.DB) then
if SQL.Sqlite.DB_Name (Self.DB) = ":memory:" then
Trace (Me_Debug, "Use in memory database");
Create_Database (Self.DB);
elsif not Current_DB.Is_Regular_File then
Trace (Me_Debug, "Database file is not exists");
Create_Database (Self.DB);
else
R.Fetch (Self.DB, "PRAGMA user_version;");
if not Self.DB.Success then
Trace (Me_Error, "database seems to be corrupted");
Error := new String'("Database seems to be corrupted");
Recreate;
elsif R.Integer_Value (0) = 0 then
Trace (Me_Error, "Schema is not created");
Create_Database (Self.DB);
elsif R.Integer_Value (0) /= Schema_Version then
Trace (Me_Error, "Version mismatch : "
& R.Value (0) & " /=" & Schema_Version'Img);
Error := new String'
("Database schema version is "
& R.Value (0) & ", expecting" & Schema_Version'Img);
Recreate;
end if;
end if;
else
Trace (Me_Error, "Database engine is not supported");
Error := new String'("Database engine is not supported");
return;
end if;
Self.DB.Execute ("PRAGMA mmap_size=268435456;");
-- Do not use automatic transactions, to avoid being stuck with an
-- unfinished BEGIN, which would lock the database and prevents
-- gnatinspect from running in parallel to IDEs.
Self.DB.Automatic_Transactions (False);
end Setup_DB;
----------
-- Free --
----------
procedure Free (Self : in out Xref_Database) is
begin
if Self.DB /= null then
Free (Self.DB);
Self.Tree := null;
end if;
end Free;
--------------------
-- Is_Fuzzy_Match --
--------------------
function Is_Fuzzy_Match (Self : Entity_Information) return Boolean is
begin
return Self.Fuzzy;
end Is_Fuzzy_Match;
----------------
-- Get_Entity --
----------------
function Get_Entity
(Self : Xref_Database;
Name : String;
File : String;
Project : Project_Type;
Line : Integer := -1;
Column : Visible_Column := -1;
Approximate_Search_Fallback : Boolean := True) return Entity_Reference
is
Distance : Natural := Integer'Last;
Best_Ref : Entity_Reference := No_Entity_Reference;
F, P : SQL_Criteria;
T : SQL_Table_List;
procedure Prepare_Decl
(C : SQL_Criteria;
Exact_Match : Boolean);
-- Perform the query Q (assuming it checks the declarations).
procedure Prepare_Ref
(C : SQL_Criteria;
Exact_Match : Boolean);
-- Perform the query Q (assuming it checks the references).
procedure Result
(Q : SQL_Query; Exact_Match : Boolean; From_Refs : Boolean);
------------
-- Result --
------------
procedure Result
(Q : SQL_Query; Exact_Match : Boolean; From_Refs : Boolean)
is
R : Forward_Cursor;
Caller : Entity_Information;
Dist : Natural;
Kind : Unbounded_String;
Kind_Id : Character;
Is_End_Of_Scope : Boolean;
begin
R.Fetch (Self.DB, Q,
Params => (1 => Copy (Name'Unrestricted_Access)));
if R.Has_Row then
loop
if Exact_Match then
Dist := 0;
else
Dist := abs (Line - Integer_Value (R, 1))
+ abs (Integer (Column) - Integer_Value (R, 2)) * 250;
end if;
if Dist < Distance then
if R.Is_Null (3) then
Caller := No_Entity;
else
Caller := (Id => R.Integer_Value (3), Fuzzy => False);
end if;
if From_Refs then
Kind := R.Unbounded_Value (5);
Kind_Id := Char_Value (R, 6);
Is_End_Of_Scope := Boolean_Value (R, 7);
else
Kind := To_Unbounded_String (Reference_Kind_Declaration);
Kind_Id := Kind_Id_Declaration;
Is_End_Of_Scope := False;
end if;
Best_Ref :=
(Entity =>
(Id => R.Integer_Value (0), Fuzzy => not Exact_Match),
File => Create (+R.Value (4)),
Project => Project,
Line => R.Integer_Value (1),
Column => Visible_Column (R.Integer_Value (2)),
Kind => Kind,
Kind_Id => Kind_Id,
Is_End_Of_Scope => Is_End_Of_Scope,
Scope => Caller);
Distance := Dist;
end if;
R.Next;
-- For an exact match, no need to search further. An
-- entity might have multiple references in the same
-- location (for instance 'r' and 'm' for an 'in out'
-- parameter).
exit when Exact_Match or else not R.Has_Row;
end loop;
end if;
end Result;
------------------
-- Prepare_Decl --
------------------
procedure Prepare_Decl
(C : SQL_Criteria;
Exact_Match : Boolean)
is
Q : SQL_Query;
begin
Q := SQL_Select
(Database.Entities.Id
& Database.Entities.Decl_Line
& Database.Entities.Decl_Column
& Database.Entities.Decl_Caller
& Database.Files.Path,
From => Database.Entities & Database.Files & T,
Where => Database.Files.Id = Database.Entities.Decl_File
and Database.Entities.Name = Text_Param (1)
and P
and F
and C,
Distinct => True,
Limit => 1);
Result (Q, Exact_Match, From_Refs => False);
end Prepare_Decl;
-----------------
-- Prepare_Ref --
-----------------
procedure Prepare_Ref
(C : SQL_Criteria;
Exact_Match : Boolean)
is
Q : SQL_Query;
begin
Q := SQL_Select
(To_List ((
0 => +Database.Entity_Refs.Entity,
1 => +Database.Entity_Refs.Line,
2 => +Database.Entity_Refs.Column,
3 => +Database.Entity_Refs.Caller,
4 => +Database.Files.Path,
5 => +Database.Reference_Kinds.Display,
6 => +Database.Reference_Kinds.Id,
7 => +Database.Reference_Kinds.Is_End)),
From => Database.Entity_Refs & Database.Entities & Database.Files
& Database.Reference_Kinds & T,
Where => Database.Entity_Refs.Entity = Database.Entities.Id
and Database.Entity_Refs.File = Database.Files.Id
and Database.Reference_Kinds.Id = Database.Entity_Refs.Kind
and Database.Entities.Name = Text_Param (1)
and P
and F
and C,
Distinct => True);
Result (Q, Exact_Match, From_Refs => True);
end Prepare_Ref;
C, C2 : SQL_Criteria;
-- Start of processing for Get_Entity
begin
-- A trivial test that the name is a valid identifier or operation. This
-- test must match all languages, so is necessarily crude.
if Name'Length >= 2
and then Name (Name'First .. Name'First + 1) = "--"
then
return No_Entity_Reference;
end if;
if File = Predefined_Entity then
F := Database.Files.Id = No_File_Id; -- predefined entities
elsif File = Any_File then
F := No_Criteria; -- any file
elsif GNAT.OS_Lib.Is_Absolute_Path (File) then
F := Compare_Files (Database.Files.Path, File);
else
F := Like (Database.Files.Path, "%/" & File);
end if;
if Project /= No_Project and then File /= "" then
T := Empty_Table_List & Files3;
P := Database.Files.Project = Files3.Id
and Compare_Files
(Files3.Path,
+Project.Project_Path.Unix_Style_Full_Name (Normalize => True));
end if;
-- First test whether the user has passed the location of the
-- declaration.
if Line /= -1 then
C := Database.Entities.Decl_Line = Line;
C2 := Database.Entity_Refs.Line = Line;
if Column /= -1 then
C := C and Database.Entities.Decl_Column = Integer (Column);
C2 := C2 and Database.Entity_Refs.Column = Integer (Column);
end if;
end if;
Prepare_Decl (C, Exact_Match => True);
if Distance = 0 then
return Best_Ref;
end if;
-- Else check whether we have a matching reference
Prepare_Ref (C2, Exact_Match => True);
if Distance = 0 then
return Best_Ref;
end if;
if Line = -1 or else not Approximate_Search_Fallback then
return No_Entity_Reference;
end if;
-- Not found ? Try an approximate match on the declaration
-- The algorithm is as follows: we find all homonym entities within
-- a given range, and then chose the one closest to the initial
-- location provided by the user
declare
use type Integer_Fields.Field;
begin
C := Absolute (Entities.Decl_Line - Line) < 10;
C2 := Absolute (Entity_Refs.Line - Line) < 10;
if Column /= -1 then
C := C and Absolute (Entities.Decl_Column - Integer (Column)) <
Column_Tolerance;
C2 := C2 and Absolute (Entity_Refs.Column - Integer (Column)) <
Column_Tolerance;
end if;
end;
Prepare_Decl (C, Exact_Match => False);
Prepare_Ref (C2, Exact_Match => False);
-- If still not found, try to reconnect to the database. It seems that
-- in some cases, if we connected to the database while gnatinspect was
-- doing its work, sqlite might have cached some data in memory and
-- incorrectly update the cache when gnatinspect commits the
-- transaction. Closing and reconnecting forces a flush of the cache.
if False -- ??? Temporary
and then Best_Ref = No_Entity_Reference
and then GNATCOLL.SQL.Sqlite.DB_Name (Self.DB) /= ":memory:"
then
Self.DB.Close; -- will be reopened automatically in the next query
Prepare_Decl (C, Exact_Match => True);
if Distance = 0 then
return Best_Ref;
end if;
-- Else check whether we have a matching reference
Prepare_Ref (C2, Exact_Match => True);
if Distance = 0 then
return Best_Ref;
end if;
end if;
return Best_Ref;
end Get_Entity;
----------------
-- Get_Entity --
----------------
function Get_Entity
(Self : Xref_Database;
Name : String;
File : GNATCOLL.VFS.Virtual_File;
Project : Project_Type;
Line : Integer := -1;
Column : Visible_Column := -1;
Approximate_Search_Fallback : Boolean := True) return Entity_Reference is
begin
return Get_Entity
(Self, Name, +File.Unix_Style_Full_Name (Normalize => True),
Project, Line, Column,
Approximate_Search_Fallback => Approximate_Search_Fallback);
end Get_Entity;
-----------------
-- Has_Element --
-----------------
function Has_Element (Self : Base_Cursor) return Boolean is
begin
return Self.DBCursor.Has_Row;
end Has_Element;
----------
-- Next --
----------
procedure Next (Self : in out Base_Cursor) is
begin
Self.DBCursor.Next;
end Next;
-------------
-- Element --
-------------
function Element (Self : References_Cursor) return Entity_Reference is
Scope : Entity_Information := No_Entity;
Id : Integer;
Project : Project_Type := No_Project;
begin
if not Self.DBCursor.Has_Row then
return No_Entity_Reference;
end if;
if not Self.DBCursor.Is_Null (Q_Ref_Caller) then
Id := Self.DBCursor.Integer_Value (Q_Ref_Caller);
if Id < 0 then
Scope := No_Entity;
else
Scope := (Id => Id, Fuzzy => False);
end if;
end if;
if not Self.DBCursor.Is_Null (Q_Ref_Project) then
Project := Self.Tree.Project_From_Path
(Create (+Self.DBCursor.Value (Q_Ref_Project)));
end if;
return Entity_Reference'
(Entity => (Id => Self.DBCursor.Integer_Value (Q_Ref_Entity),
Fuzzy => False),
File => Create (+Self.DBCursor.Value (Q_Ref_File)),
Project => Project,
Line => Self.DBCursor.Integer_Value (Q_Ref_Line),
Column => Visible_Column (Self.DBCursor.Integer_Value (Q_Ref_Col)),
Kind => Self.DBCursor.Unbounded_Value (Q_Ref_Kind),
Kind_Id => Char_Value (Self.DBCursor, Q_Ref_Kind_Id),
Is_End_Of_Scope =>
Boolean_Value (Self.DBCursor, Q_Ref_Is_End_Of_Scope),
Scope => Scope);
end Element;
----------------
-- References --
----------------
procedure References
(Self : Xref_Database'Class;
Entity : Entity_Information;
Cursor : in out References_Cursor'Class) is
begin
Cursor.Entity := Entity;
Cursor.Tree := Self.Tree;
Cursor.DBCursor.Fetch
(Self.DB, Q_References, Params => (1 => +Entity.Id));
end References;
----------------
-- References --
----------------
procedure References
(Self : Xref_Database'Class;
Entity : Entity_Information;
Cursor : in out References_Cursor'Class;
Include_Implicit : Boolean;
Include_All : Boolean;
Kinds : String := "")
is
-- Use a prepared statement so that the traces show a clearer string.
Q : SQL_Query;
P : Prepared_Statement;
Include_Decl : Boolean := False;
Include_Others : Boolean := False;
begin
if Kinds /= "" then
declare
R : String_List_Access := GNATCOLL.Utils.Split (Kinds, ',');
begin
for K in R'Range loop
if R (K).all = Reference_Kind_Declaration then
Include_Decl := True;
else
Include_Others := True;
end if;
end loop;
Free (R);
end;
if Include_Decl then
if Include_Others then
Q := SQL_Union
(SQL_Select
(F_References_Decl,
From => Database.Entities & Database.Files,
Where => Database.Entities.Decl_File = Database.Files.Id
and Database.Entities.Id = Integer_Param (1)),
SQL_Select
(F_References,
From => Database.Entity_Refs & Database.Files
& Database.Reference_Kinds,
Where => Database.Entity_Refs.File = Database.Files.Id
and Database.Entity_Refs.Kind =
Database.Reference_Kinds.Id
and SQL_In (Database.Reference_Kinds.Display, Kinds)
and Database.Entity_Refs.Entity = Integer_Param (1)),
Order_By => Database.Files.Path
& Database.Entity_Refs.Line & Database.Entity_Refs.Column,
Distinct => True);
else
Q := SQL_Select
(F_References_Decl,
From => Database.Entities & Database.Files,
Where => Database.Entities.Decl_File = Database.Files.Id
and Database.Entities.Id = Integer_Param (1),
Order_By => Database.Files.Path
& Database.Entity_Refs.Line & Database.Entity_Refs.Column,
Distinct => True);
end if;
else
Q := SQL_Select
(F_References,
From => Database.Entity_Refs & Database.Files
& Database.Reference_Kinds,
Where => Database.Entity_Refs.File = Database.Files.Id
and Database.Entity_Refs.Kind = Database.Reference_Kinds.Id
and SQL_In (Database.Reference_Kinds.Display, Kinds)
and Database.Entity_Refs.Entity = Integer_Param (1),
Order_By => Database.Files.Path
& Database.Entity_Refs.Line & Database.Entity_Refs.Column,
Distinct => True);
end if;
P := Prepare
(Q, On_Server => False, Name => "references_with_kinds");
elsif Include_All then
P := Q_References_All_Kinds;
elsif Include_Implicit then
P := Q_References;
else
P := Q_References_No_Implicit;
end if;
Cursor.Entity := Entity;
Cursor.Tree := Self.Tree;
Cursor.DBCursor.Fetch
(Self.DB, P, Params => (1 => +Entity.Id));
end References;
-----------------
-- Declaration --
-----------------
function Declaration
(Xref : Xref_Database;
Entity : Entity_Information) return Entity_Declaration
is
Curs : Forward_Cursor;
Scope : Entity_Information := No_Entity;
Id : Integer;
begin
Curs.Fetch (Xref.DB, Query_Declaration, Params => (1 => +Entity.Id));
if Curs.Has_Row then
if not Curs.Is_Null (Q_Decl_Caller) then
Id := Curs.Integer_Value (Q_Decl_Caller);
if Id < 0 then
Scope := No_Entity;
else
Scope := (Id => Id, Fuzzy => False);
end if;
end if;
return (Name => Curs.Unbounded_Value (Q_Decl_Name),
Kind => Curs.Unbounded_Value (Q_Decl_Kind),
Flags =>
(Is_Subprogram => Curs.Boolean_Value (Q_Decl_Is_Subp),
Is_Container => Curs.Boolean_Value (Q_Decl_Is_Cont),
Is_Abstract => Curs.Boolean_Value (Q_Decl_Is_Abst),
Is_Generic => Curs.Boolean_Value (Q_Decl_Is_Generic),
Is_Type => Curs.Boolean_Value (Q_Decl_Is_Type),
Is_Access => Curs.Boolean_Value (Q_Decl_Is_Access),
Is_Array => Curs.Boolean_Value (Q_Decl_Is_Array),
Is_Global => Curs.Boolean_Value (Q_Decl_Is_Global),
Has_Methods => Curs.Boolean_Value (Q_Decl_Has_Methods),
Is_Static_Local =>
Curs.Boolean_Value (Q_Decl_Is_Static_Local),
Is_Printable_In_Gdb =>
Curs.Boolean_Value (Q_Decl_Is_Printable_In_Gdb),
Body_Is_Full_Declaration =>
Curs.Boolean_Value (Q_Decl_Full_Decl)),
Location => (Entity => Entity,
File => Create (+Curs.Value (Q_Decl_File)),
Line => Curs.Integer_Value (Q_Decl_Line),
Column => Visible_Column
(Curs.Integer_Value (Q_Decl_Column)),
Project => Xref.Tree.Project_From_Path
(Create (+Curs.Value (Q_Decl_Project))),
Kind => To_Unbounded_String
(Reference_Kind_Declaration),
Kind_Id => Kind_Id_Declaration,
Is_End_Of_Scope => False,
Scope => Scope));
else
return No_Entity_Declaration;
end if;
end Declaration;
--------------------------
-- Is_Predefined_Entity --
--------------------------
function Is_Predefined_Entity
(Decl : Entity_Declaration) return Boolean is
begin
return Decl.Location.Line = -1;
end Is_Predefined_Entity;
------------
-- Bodies --
------------
procedure Bodies
(Self : Xref_Database'Class;
Entity : Entity_Information;
Cursor : in out References_Cursor'Class)
is
E : Entity_Information;
procedure Bodies_Internal (Body_Statement : Prepared_Statement);
---------------------
-- Bodies_Internal --
---------------------
procedure Bodies_Internal (Body_Statement : Prepared_Statement) is
begin
Cursor.DBCursor.Fetch
(Self.DB, Body_Statement, Params => (1 => +Entity.Id));
-- If we have no bodies, check whether the entity is an instantiation
-- of another entity which itself would have a body.
if not Has_Row (Cursor.DBCursor) then
E := Self.Instance_Of (Entity);
if E /= No_Entity then
Cursor.DBCursor.Fetch
(Self.DB, Body_Statement, Params => (1 => +E.Id));
end if;
end if;
-- Still not found, check through renaming
if not Has_Row (Cursor.DBCursor) then
E := Self.Renaming_Of (Entity);
if E /= No_Entity then
Cursor.DBCursor.Fetch
(Self.DB, Body_Statement, Params => (1 => +E.Id));
end if;
end if;
end Bodies_Internal;
Sub_Has_Elements : Boolean;
begin
Cursor.Entity := Entity;
Cursor.Tree := Self.Tree;
Cursor.DBCursor.Fetch
(Self.DB, Q_Bodies_Sub_Mangled_Prep, Params => (1 => +Entity.Id));
Sub_Has_Elements := Has_Row (Cursor.DBCursor);
if Sub_Has_Elements then
Bodies_Internal (Q_Bodies_With_Mangled);
else
Bodies_Internal (Q_Bodies_Simple);
end if;
end Bodies;
-------------
-- Element --
-------------
function Element (Self : Entities_Cursor) return Entity_Information is
begin
return Entity_Information'(Id => Integer_Value (Self.DBCursor, 0),
Fuzzy => False);
end Element;
-------------
-- Element --
-------------
function Element (Self : Parameters_Cursor) return Parameter_Information is
Kind : Parameter_Kind;
begin
case Integer_Value (Self.DBCursor, Q_Parameters_Kind) is
when E2e_In_Parameter => Kind := In_Parameter;
when E2e_Out_Parameter => Kind := Out_Parameter;
when E2e_In_Out_Parameter => Kind := In_Out_Parameter;
when E2e_Access_Parameter => Kind := Access_Parameter;
when others => Kind := In_Parameter;
end case;
return Parameter_Information'
(Parameter =>
(Id => Integer_Value (Self.DBCursor, Q_Parameters_Toentity),
Fuzzy => False),
Kind => Kind);
end Element;
----------------
-- Parameters --
----------------
function Parameters
(Self : Xref_Database'Class;
Entity : Entity_Information) return Parameters_Cursor
is
Curs : Parameters_Cursor;
begin
Curs.DBCursor.Fetch
(Self.DB, Query_Parameters, Params => (1 => +Entity.Id));
return Curs;
end Parameters;
-------------
-- Element --
-------------
function Element (Self : Files_Cursor) return GNATCOLL.VFS.Virtual_File is
begin
return Create (+Self.DBCursor.Value (Files_Cursor_Path));
end Element;
-------------
-- Project --
-------------
function Project
(Self : Files_Cursor;
Tree : GNATCOLL.Projects.Project_Tree'Class)
return GNATCOLL.Projects.Project_Type
is
begin
return Tree.Project_From_Path
(Create (+Self.DBCursor.Value (Files_Cursor_Project)));
end Project;
-----------------
-- Imported_By --
-----------------
function Imported_By
(Self : Xref_Database'Class;
File : GNATCOLL.VFS.Virtual_File;
Project : Project_Type) return Files_Cursor
is
Curs : Files_Cursor;
begin
Curs.DBCursor.Fetch
(Self.DB,
SQL_Select
(Files_Cursor_Fields,
From => Database.Files & Database.F2f & Files2 & Files3 & Files4,
Where => Database.F2f.Fromfile = Database.Files.Id
and Files2.Id = Database.F2f.Tofile
and Compare_Files (Files2.Path, Text_Param (1))
and Database.F2f.Kind = F2f_Withs
and Files2.Project = Files3.Id
and Compare_Files (Files3.Path, Text_Param (2))
and Database.Files.Project = Files4.Id,
Order_By => Database.Files.Path),
Params => (1 => +(+File.Unix_Style_Full_Name (Normalize => True)),
2 => +(+Project.Project_Path.Unix_Style_Full_Name
(Normalize => True))));
return Curs;
end Imported_By;
-------------
-- Imports --
-------------
function Imports
(Self : Xref_Database'Class;
File : GNATCOLL.VFS.Virtual_File;
Project : Project_Type) return Files_Cursor
is
P : Project_Type;
Curs : Files_Cursor;
begin
if Project = No_Project then
declare
F_Info : constant File_Info'Class :=
File_Info'Class (Self.Tree.Info_Set (File).First_Element);
begin
P := F_Info.Project;
end;
else
P := Project;
end if;
Curs.DBCursor.Fetch
(Self.DB,
SQL_Select
(Files_Cursor_Fields,
From =>
Database.Files & Database.F2f & Files2 & Files3 & Files4,
Where => Database.F2f.Tofile = Database.Files.Id
and Files2.Id = Database.F2f.Fromfile
and Compare_Files (Files2.Path, Text_Param (1))
and Database.F2f.Kind = F2f_Withs
and Files2.Project = Files3.Id
and Compare_Files (Files3.Path, Text_Param (2))
and Database.Files.Project = Files4.Id,
Order_By => Database.Files.Path),
Params => (1 => +(+File.Unix_Style_Full_Name (Normalize => True)),
2 => +(+P.Project_Path.Unix_Style_Full_Name
(Normalize => True))));
return Curs;
end Imports;
----------------
-- Depends_On --
----------------
function Depends_On
(Self : Xref_Database'Class;
File : GNATCOLL.VFS.Virtual_File;
Project : Project_Type) return File_Sets.Set
is
use File_Sets;
C : Files_Cursor := Self.Imports (File, Project);
Seen : File_Sets.Set;
To_Analyze : File_Sets.Set;
F : Virtual_File;
begin
while C.Has_Element loop
To_Analyze.Include (C.Element);
C.Next;
end loop;
while not To_Analyze.Is_Empty loop
F := Element (To_Analyze.First);
Seen.Include (F);
To_Analyze.Delete_First;
C := Self.Imports (F, Project);
while C.Has_Element loop
F := C.Element;
if not Seen.Contains (F) then
To_Analyze.Include (F);
end if;
C.Next;
end loop;
end loop;
return Seen;
end Depends_On;
------------------
-- Mangled_Name --
------------------
function Mangled_Name
(Self : Xref_Database;
Entity : Entity_Information) return String
is
C : Forward_Cursor;
begin
C.Fetch
(Self.DB,
Query_Mangled_Name,
Params => (1 => +Entity.Id));
if C.Has_Row and not C.Is_Null (0) then
return C.Value (0);
else
return "";
end if;
end Mangled_Name;
--------------------
-- Qualified_Name --
--------------------
function Qualified_Name
(Self : Xref_Database;
Entity : Entity_Information) return String
is
D : Entity_Declaration := Self.Declaration (Entity);
Name : Unbounded_String := D.Name;
E : Entity_Information := D.Location.Scope;
F : Entity_Information;
C : Forward_Cursor;
Separator : Unbounded_String := To_Unbounded_String (".");
--------------------------
-- In_Neverending_Loop --
--------------------------
function In_Neverending_Loop return Boolean;
pragma Inline (In_Neverending_Loop);
-- Return true if the sequence of parents repeats. This problem occurs
-- when the compiler does not generate the scope of some parent package.
Max_Parents : constant := 50; -- Large enough to cover all cases
Parents : array (1 .. Max_Parents) of Integer;
P_Count : Natural := 0;
-------------------------
-- In_Neverending_Loop --
-------------------------
function In_Neverending_Loop return Boolean is
begin
for J in 1 .. P_Count loop
if Parents (J) = E.Id then
return True;
end if;
end loop;
P_Count := P_Count + 1;
Parents (P_Count) := E.Id;
return False;
end In_Neverending_Loop;
begin
if E = No_Entity then
E := Self.Parent_Package (Entity);
end if;
C.Fetch
(Self.DB,
SQL_Select
(Database.Files.Language,
From => Database.Files,
Where => Compare_Files
(Database.Files.Path,
+D.Location.File.Unix_Style_Full_Name (Normalize => True))));
if C.Has_Row then
declare
Language : constant String := To_Lower (C.Value (0));
begin
if Language = "c" or else Language = "c++" then
Separator := To_Unbounded_String ("::");
end if;
end;
end if;
while E /= No_Entity loop
if In_Neverending_Loop then
return To_String (Name);
end if;
D := Declaration (Xref_Database'Class (Self), E);
Name := D.Name & Separator & Name;
F := D.Location.Scope;
if F = No_Entity then
-- A library-level entity, try parent packages
F := Self.Parent_Package (E);
end if;
E := F;
end loop;
return To_String (Name);
end Qualified_Name;
-----------
-- Image --
-----------
function Image (Kind : Parameter_Kind) return String is
begin
case Kind is
when In_Parameter => return "in";
when Out_Parameter => return "out";
when In_Out_Parameter => return "in out";
when Access_Parameter => return "access";
end case;
end Image;
-----------
-- Image --
-----------
function Image
(Self : Xref_Database; File : Virtual_File) return String
is
pragma Unreferenced (Self);
begin
return File.Display_Base_Name;
end Image;
-----------
-- Image --
-----------
function Image
(Self : Xref_Database; Ref : Entity_Reference) return String is
begin
return Image (Xref_Database'Class (Self), Ref.File) & ":"
& Image (Ref.Line, Min_Width => 0)
& ':'
& Image (Integer (Ref.Column), Min_Width => 0);
end Image;
--------------
-- Overview --
--------------
function Overview
(Self : Xref_Database;
Entity : Entity_Information;
Format : Formatting := Text) return String
is
pragma Unreferenced (Format);
Decl : constant Entity_Declaration :=
Declaration (Xref_Database'Class (Self), Entity);
begin
return To_String
(Decl.Kind & " declared at "
& Image (Xref_Database'Class (Self), Decl.Location));
end Overview;
---------------------
-- Extract_Comment --
---------------------
function Extract_Comment
(Buffer : String;
Decl_Start_Index : Integer;
Decl_End_Index : Integer;
Language : Language_Syntax;
Format : Formatting := Text;
Look_Before_First : Boolean := True) return String
is
pragma Unreferenced (Format);
Beginning, Current : Natural;
Result : Unbounded_String;
Pos, Last : Integer;
Leading_Spaces : Integer := -1;
-- Maximum number of spaces to remove in the comments. This is
-- computed from the first line of the comment block (by left-aligning
-- the text on that line), and is meant to preserve indentation for
-- later lines (in particular if they contain code sample for instance)
begin
if Look_Before_First then
Get_Documentation_Before
(Context => Language,
Buffer => Buffer,
Decl_Index => Decl_Start_Index,
Comment_Start => Beginning,
Comment_End => Current,
Allow_Blanks => False);
if Beginning = 0 then
Get_Documentation_After
(Context => Language,
Buffer => Buffer,
Decl_Index => Decl_End_Index,
Comment_Start => Beginning,
Comment_End => Current);
end if;
if Beginning = 0 then
-- In Ada, packages end of spec is after the final "end;", which
-- is not where users put the documentation. So we also check
-- after the beginning of the spec.
Get_Documentation_After
(Context => Language,
Buffer => Buffer,
Decl_Index => Decl_Start_Index,
Comment_Start => Beginning,
Comment_End => Current);
end if;
else
Get_Documentation_After
(Context => Language,
Buffer => Buffer,
Decl_Index => Decl_End_Index,
Comment_Start => Beginning,
Comment_End => Current);
if Beginning = 0 then
-- In Ada, packages end of spec is after the final "end;", which
-- is not where users put the documentation. So we also check
-- after the beginning of the spec.
Get_Documentation_After
(Context => Language,
Buffer => Buffer,
Decl_Index => Decl_Start_Index,
Comment_Start => Beginning,
Comment_End => Current);
end if;
if Beginning = 0 then
Get_Documentation_Before
(Context => Language,
Buffer => Buffer,
Decl_Index => Decl_Start_Index,
Comment_Start => Beginning,
Comment_End => Current,
Allow_Blanks => False);
end if;
end if;
-- Cleanup comment marks
if Beginning /= 0 then
Pos := Beginning;
if Language.Comment_Start /= null
and then Starts_With
(Buffer (Pos .. Current), Language.Comment_Start.all)
then
Pos := Pos + Language.Comment_Start'Length;
end if;
if Language.Comment_End /= null
and then Ends_With
(Buffer (Pos .. Current), Language.Comment_End.all)
then
Current := Current - Language.Comment_End'Length;
end if;
Skip_Blanks_Backward (Buffer (Pos .. Current), Current);
while Pos <= Current loop
Last := EOL (Buffer (Pos .. Current - 1));
if Language.New_Line_Comment_Start /= null then
Skip_Blanks (Buffer, Pos);
if Starts_With (Buffer (Pos .. Buffer'Last),
Language.New_Line_Comment_Start.all)
then
Pos := Pos + Language.New_Line_Comment_Start'Length;
end if;
if Leading_Spaces = -1 then
-- First line, compute the number of spaces
Leading_Spaces := Pos;
Skip_Blanks (Buffer (Pos .. Buffer'Last), Pos);
Leading_Spaces := Pos - Leading_Spaces;
end if;
-- Remove leading blanks, to preserve indented code in the
-- comments.
for N in 1 .. Leading_Spaces loop
if Pos <= Buffer'Last
and then Buffer (Pos) = ' '
then
Pos := Pos + 1;
else
exit;
end if;
end loop;
end if;
if Pos = Last then
Append (Result, ASCII.LF);
else
Append (Result, Buffer (Pos .. Last));
end if;
Pos := Last + 1;
end loop;
return To_String (Result);
else
return "";
end if;
end Extract_Comment;
---------------------
-- Extract_Comment --
---------------------
function Extract_Comment
(Buffer : String;
Decl_Start_Line : Integer;
Decl_Start_Column : Integer;
Decl_End_Line : Integer := -1;
Decl_End_Column : Integer := -1;
Language : Language_Syntax;
Format : Formatting := Text;
Look_Before_First : Boolean := True) return String
is
Start, Last, Skipped : Integer;
begin
Start := Buffer'First;
Skip_Lines
(Buffer,
Lines => Decl_Start_Line - 1,
Index => Start,
Lines_Skipped => Skipped);
if Skipped /= Decl_Start_Line - 1 then
return "";
end if;
Skip_To_Column
(Buffer,
Columns => Decl_Start_Column - 1,
Index => Start);
Last := Start;
if Decl_End_Line /= -1 then
Skip_Lines
(Buffer,
Lines => Decl_End_Line - Decl_Start_Line,
Index => Last,
Lines_Skipped => Skipped);
if Decl_End_Column /= -1 then
Skip_To_Column (Buffer, Decl_End_Column, Last);
end if;
end if;
return Extract_Comment
(Buffer => Buffer,
Decl_Start_Index => Start,
Decl_End_Index => Last,
Language => Language,
Format => Format,
Look_Before_First => Look_Before_First);
end Extract_Comment;
-------------
-- Comment --
-------------
function Comment
(Self : Xref_Database;
Entity : Entity_Information;
Language : Language_Syntax;
Format : Formatting := Text;
Look_Before_First : Boolean := True) return String
is
Buffer : GNAT.Strings.String_Access;
Decl : constant Entity_Declaration :=
Declaration (Xref_Database'Class (Self), Entity);
R : Forward_Cursor;
begin
if Decl = No_Entity_Declaration then
return "";
end if;
Buffer := Decl.Location.File.Read_File;
if Buffer /= null then
R.Fetch (Self.DB, Q_End_Of_Spec, Params => (1 => +Entity.Id));
if R.Has_Row then
declare
Result : constant String := Extract_Comment
(Buffer => Buffer.all,
Decl_Start_Line => Decl.Location.Line,
Decl_Start_Column => Integer (Decl.Location.Column),
Decl_End_Line => R.Integer_Value (0),
Decl_End_Column => R.Integer_Value (1),
Language => Language,
Format => Format,
Look_Before_First => Look_Before_First);
begin
if Result /= "" then
Free (Buffer);
return Result;
end if;
end;
else
declare
Result : constant String := Extract_Comment
(Buffer => Buffer.all,
Decl_Start_Line => Decl.Location.Line,
Decl_Start_Column => Integer (Decl.Location.Column),
Language => Language,
Format => Format,
Look_Before_First => Look_Before_First);
begin
if Result /= "" then
Free (Buffer);
return Result;
end if;
end;
end if;
Free (Buffer);
end if;
-- No comment next to the spec, try the body.
-- In particular, in C, it is rare to have the doc next to an "extern"
-- declaration, and the doc will often be with the body instead.
declare
Curs : References_Cursor;
Ref : Entity_Reference;
begin
Self.Bodies (Entity, Curs);
while Has_Element (Curs) loop
Ref := Element (Curs);
Buffer := Ref.File.Read_File;
if Buffer /= null then
declare
Result : constant String := Extract_Comment
(Buffer => Buffer.all,
Decl_Start_Line => Ref.Line,
Decl_Start_Column => Integer (Ref.Column),
Language => Language,
Format => Format,
Look_Before_First => Look_Before_First);
begin
if Result /= "" then
Free (Buffer);
return Result;
end if;
end;
Free (Buffer);
end if;
Next (Curs);
end loop;
end;
return "";
end Comment;
----------------------
-- Text_Declaration --
----------------------
function Text_Declaration
(Self : Xref_Database;
Entity : Entity_Information;
Format : Formatting := Text) return String
is
pragma Unreferenced (Format);
P : Parameters_Cursor :=
Parameters (Xref_Database'Class (Self), Entity);
Param : Parameter_Information;
Result : Unbounded_String;
Typ : Entity_Information;
Decl : Entity_Declaration;
begin
if P.Has_Element then
Append (Result, "Parameters" & ASCII.LF);
while P.Has_Element loop
Param := P.Element;
Decl := Declaration (Xref_Database'Class (Self), Param.Parameter);
Append
(Result, " "
& Decl.Name
& " : " & Image (Param.Kind)
& " "
& Qualified_Name
(Xref_Database'Class (Self), Self.Type_Of (Param.Parameter))
& ASCII.LF);
P.Next;
end loop;
end if;
Typ := Self.Type_Of (Entity);
if Typ /= No_Entity then
Decl := Declaration (Xref_Database'Class (Self), Entity);
if Decl.Flags.Is_Subprogram then
Append (Result, "Returns" & ASCII.LF);
else
Append (Result, "Type" & ASCII.LF);
end if;
Append (Result, " "
& Qualified_Name (Xref_Database'Class (Self), Typ)
& ASCII.LF);
end if;
return To_String (Result);
end Text_Declaration;
-------------------
-- Documentation --
-------------------
function Documentation
(Self : Xref_Database;
Entity : Entity_Information;
Language : Language_Syntax;
Format : Formatting := Text;
Look_Before_First : Boolean := True) return String
is
Result : Unbounded_String;
D : constant Entity_Declaration := Self.Declaration (Entity);
Mangled : constant String := Self.Mangled_Name (Entity);
Comm : constant String :=
Comment
(Xref_Database'Class (Self), Entity, Language, Format,
Look_Before_First => Look_Before_First);
Decl : constant String :=
Text_Declaration
(Xref_Database'Class (Self), Entity, Format);
begin
-- Only output the documentation, not the overview for the entity.
-- Result := To_Unbounded_String
-- (Qualified_Name (Xref_Database'Class (Self), Entity) & ASCII.LF);
-- Append
-- (Result,
-- Overview (Xref_Database'Class (Self), Entity, Format) & ASCII.LF);
if Comm /= "" then
Append (Result, Comm & ASCII.LF);
end if;
if Decl /= "" then
Append (Result, Decl & ASCII.LF);
end if;
if Mangled /= "" and then Mangled /= D.Name then
Append (Result, "Mangled name: " & Mangled & ASCII.LF);
end if;
return To_String
(Ada.Strings.Unbounded.Trim
(Result,
Left => Ada.Strings.Maps.Null_Set,
Right => Ada.Strings.Maps.To_Set
(' ' & ASCII.HT & ASCII.LF & ASCII.CR)));
end Documentation;
-----------
-- Calls --
-----------
procedure Calls
(Self : Xref_Database'Class;
Entity : Entity_Information;
Cursor : out Entities_Cursor'Class)
is
begin
Cursor.DBCursor.Fetch
(Self.DB, Q_Calls, Params => (1 => +Entity.Id));
end Calls;
-------------
-- Callers --
-------------
procedure Callers
(Self : Xref_Database'Class;
Entity : Entity_Information;
Cursor : out Entities_Cursor'Class) is
begin
Cursor.DBCursor.Fetch
(Self.DB,
SQL_Select
(Entities2.Id
& Entities2.Name
& Entities2.Decl_Line
& Entities2.Decl_Column,
From => Entities2 & Database.Entities & Database.Entity_Refs
& Database.Reference_Kinds,
Where => Entities2.Id = Database.Entity_Refs.Caller
and Database.Entity_Refs.Kind = Database.Reference_Kinds.Id
and Database.Reference_Kinds.Is_Real
and Database.Entity_Refs.Entity = Integer_Param (1)
and Entities2.Id /= Database.Entity_Refs.Entity,
Order_By =>
Entities2.Name & Entities2.Decl_Line & Entities2.Decl_Column,
Distinct => True),
Params => (1 => +Entity.Id));
end Callers;
-----------------
-- Child_Types --
-----------------
procedure Child_Types
(Self : Xref_Database'Class;
Entity : Entity_Information;
Cursor : out Entities_Cursor'Class) is
begin
Cursor.DBCursor.Fetch
(Self.DB,
Query_E2E_To,
Params => (1 => +Entity.Id, 2 => +E2e_Parent_Type));
end Child_Types;
------------------
-- Parent_Types --
------------------
procedure Parent_Types
(Self : Xref_Database'Class;
Entity : Entity_Information;
Cursor : out Entities_Cursor'Class) is
begin
Cursor.DBCursor.Fetch
(Self.DB,
Query_E2E_From,
Params => (1 => +Entity.Id, 2 => +E2e_Parent_Type));
end Parent_Types;
-------------
-- Methods --
-------------
procedure Methods
(Self : Xref_Database'Class;
Entity : Entity_Information;
Cursor : out Entities_Cursor'Class;
Include_Inherited : Boolean := True) is
begin
if Include_Inherited then
Cursor.DBCursor.Fetch
(Self.DB,
Query_E2E_From,
Params => (1 => +Entity.Id, 2 => +E2e_Has_Primitive));
else
Cursor.DBCursor.Fetch
(Self.DB,
Query_Non_Inherited_Methods,
Params => (1 => +Entity.Id));
end if;
end Methods;
---------------------
-- Discriminant_Of --
---------------------
function Discriminant_Of
(Self : Xref_Database'Class;
Entity : Entity_Information) return Entity_Information
is
Curs : Entities_Cursor;
begin
Curs.DBCursor.Fetch
(Self.DB,
Query_E2E_To,
Params => (1 => +Entity.Id, 2 => +E2e_Has_Discriminant));
if Curs.DBCursor.Has_Row then
return Curs.Element;
else
return No_Entity;
end if;
end Discriminant_Of;
--------------------
-- Parent_Package --
--------------------
function Parent_Package
(Self : Xref_Database'Class;
Entity : Entity_Information) return Entity_Information
is
Curs : Entities_Cursor;
begin
Curs.DBCursor.Fetch
(Self.DB,
Query_E2E_From,
Params => (1 => +Entity.Id, 2 => +E2e_Parent_Package));
if Curs.DBCursor.Has_Row then
return Curs.Element;
else
return No_Entity;
end if;
end Parent_Package;
-------------------
-- Discriminants --
-------------------
procedure Discriminants
(Self : Xref_Database'Class;
Entity : Entity_Information;
Cursor : out Entities_Cursor'Class) is
begin
Cursor.DBCursor.Fetch
(Self.DB,
Query_E2E_From,
Params => (1 => +Entity.Id, 2 => +E2e_Has_Discriminant));
end Discriminants;
------------
-- Fields --
------------
procedure Fields
(Self : Xref_Database'Class;
Entity : Entity_Information;
Cursor : out Entities_Cursor'Class) is
begin
Cursor.DBCursor.Fetch
(Self.DB, Query_Fields, Params => (1 => +Entity.Id));
end Fields;
--------------
-- Literals --
--------------
procedure Literals
(Self : Xref_Database'Class;
Entity : Entity_Information;
Cursor : out Entities_Cursor'Class) is
begin
Cursor.DBCursor.Fetch
(Self.DB,
Query_E2E_To,
Params => (1 => +Entity.Id, 2 => +E2e_From_Enumeration));
end Literals;
-----------------
-- Index_Types --
-----------------
procedure Index_Types
(Self : Xref_Database'Class;
Entity : Entity_Information;
Cursor : out Entities_Cursor'Class)
is
begin
Cursor.DBCursor.Fetch
(Self.DB,
Query_E2E_From,
Params => (1 => +Entity.Id, 2 => +E2e_Has_Index));
end Index_Types;
-----------------------
-- Formal_Parameters --
-----------------------
procedure Formal_Parameters
(Self : Xref_Database'Class;
Entity : Entity_Information;
Cursor : out Entities_Cursor'Class)
is
begin
Cursor.DBCursor.Fetch
(Self.DB,
Query_E2E_From,
Params => (1 => +Entity.Id, 2 => +E2e_Is_Formal_Of));
end Formal_Parameters;
---------------
-- Method_Of --
---------------
procedure Method_Of
(Self : Xref_Database'Class;
Entity : Entity_Information;
Cursor : out Entities_Cursor'Class)
is
begin
Cursor.DBCursor.Fetch
(Self.DB,
Query_E2E_To,
Params => (1 => +Entity.Id, 2 => +E2e_Has_Primitive));
end Method_Of;
-----------------
-- Instance_Of --
-----------------
function Instance_Of
(Self : Xref_Database'Class;
Entity : Entity_Information) return Entity_Information
is
Curs : Entities_Cursor;
begin
Curs.DBCursor.Fetch
(Self.DB,
Query_E2E_From,
Params => (1 => +Entity.Id, 2 => +E2e_Instance_Of));
if Curs.DBCursor.Has_Row then
return Curs.Element;
else
return No_Entity;
end if;
end Instance_Of;
-------------------
-- Overridden_By --
-------------------
procedure Overridden_By
(Self : Xref_Database'Class;
Entity : Entity_Information;
Cursor : out Entities_Cursor'Class)
is
S : Entity_Information;
begin
Cursor.DBCursor.Fetch
(Self.DB, Query_E2E_To,
Params => (1 => +Entity.Id, 2 => +E2e_Overrides));
-- If the entity does not have direct overridings, it might be the
-- parameter of a subprogram. In this case, we find to find the
-- homonym parameters in the overridden subprograms (since renaming the
-- original parameter might require
if not Cursor.DBCursor.Has_Row then
S := Self.Parameter_Of (Entity);
if S /= No_Entity then
Cursor.DBCursor.Fetch
(Self.DB, Query_Overriding_Parameters,
Params => (1 => +Entity.Id, 2 => +S.Id));
end if;
end if;
end Overridden_By;
----------------------------
-- Single_Entity_From_E2e --
----------------------------
function Single_Entity_From_E2e
(Self : Xref_Database'Class;
Entity : Entity_Information;
E2e : Integer) return Entity_Information
is
Curs : Entities_Cursor;
begin
Curs.DBCursor.Fetch
(Self.DB,
Query_E2E_From,
Params => (1 => +Entity.Id, 2 => +E2e));
if Curs.DBCursor.Has_Row then
return Curs.Element;
else
return No_Entity;
end if;
end Single_Entity_From_E2e;
-------------
-- Type_Of --
-------------
function Type_Of
(Self : Xref_Database'Class;
Entity : Entity_Information) return Entity_Information
is
Result : Entity_Information;
begin
Result := Single_Entity_From_E2e (Self, Entity, E2e_Of_Type);
if Result = No_Entity then
Result := Single_Entity_From_E2e
(Self, Entity, E2e_From_Enumeration);
end if;
return Result;
end Type_Of;
-----------------
-- Renaming_Of --
-----------------
function Renaming_Of
(Self : Xref_Database'Class;
Entity : Entity_Information) return Entity_Information is
begin
return Single_Entity_From_E2e (Self, Entity, E2e_Renames);
end Renaming_Of;
------------------
-- Parameter_Of --
------------------
function Parameter_Of
(Self : Xref_Database'Class;
Entity : Entity_Information) return Entity_Information
is
Curs : Entities_Cursor;
begin
Curs.DBCursor.Fetch
(Self.DB, Query_Parameter_Of, Params => (1 => +Entity.Id));
if Curs.DBCursor.Has_Row then
return Curs.Element;
else
return No_Entity;
end if;
end Parameter_Of;
--------------------
-- Component_Type --
--------------------
function Component_Type
(Self : Xref_Database'Class;
Entity : Entity_Information) return Entity_Information is
begin
return Single_Entity_From_E2e (Self, Entity, E2e_Component_Type);
end Component_Type;
---------------
-- Overrides --
---------------
function Overrides
(Self : Xref_Database'Class;
Entity : Entity_Information) return Entity_Information
is
E, S : Entity_Information;
Curs : Entities_Cursor;
begin
E := Single_Entity_From_E2e (Self, Entity, E2e_Overrides);
-- Handles overriding parameters
if E = No_Entity then
S := Self.Parameter_Of (Entity);
if S /= No_Entity then
Curs.DBCursor.Fetch
(Self.DB, Query_Overridden_Parameters,
Params => (1 => +Entity.Id, 2 => +S.Id));
if Curs.DBCursor.Has_Row then
E := Curs.Element;
end if;
end if;
end if;
return E;
end Overrides;
------------------
-- Pointed_Type --
------------------
function Pointed_Type
(Self : Xref_Database'Class;
Entity : Entity_Information) return Entity_Information
is
begin
return Single_Entity_From_E2e (Self, Entity, E2e_Pointed_Type);
end Pointed_Type;
----------------
-- References --
----------------
procedure References
(Self : Xref_Database'Class;
File : GNATCOLL.VFS.Virtual_File;
Cursor : out References_Cursor'Class;
Kind : String := "";
Sort : References_Sort := By_Location)
is
N : aliased String :=
+File.Unix_Style_Full_Name (Normalize => True);
K : aliased String := Kind;
begin
Cursor.Entity := No_Entity;
Cursor.Tree := Self.Tree;
if Kind = Reference_Kind_Declaration then
Cursor.DBCursor.Fetch
(Self.DB, Q_File_References_Decl_By_Loc,
Params => (1 => Copy (N'Unchecked_Access)));
elsif Kind /= "" then
if Sort = By_Location then
Cursor.DBCursor.Fetch
(Self.DB, Q_File_References_And_Kind_By_Loc,
Params => (1 => Copy (N'Unchecked_Access),
2 => Copy (K'Unchecked_Access)));
else
Cursor.DBCursor.Fetch
(Self.DB, Q_File_References_And_Kind_By_Entity,
Params => (1 => Copy (N'Unchecked_Access),
2 => Copy (K'Unchecked_Access)));
end if;
else
if Sort = By_Location then
Cursor.DBCursor.Fetch
(Self.DB, Q_File_References_By_Loc,
Params => (1 => Copy (N'Unchecked_Access)));
else
Cursor.DBCursor.Fetch
(Self.DB, Q_File_References_By_Entity,
Params => (1 => Copy (N'Unchecked_Access)));
end if;
end if;
end References;
-------------------
-- Referenced_In --
-------------------
procedure Referenced_In
(Self : Xref_Database'Class;
File : GNATCOLL.VFS.Virtual_File;
Project : Project_Type;
Cursor : out Entities_Cursor'Class)
is
P : Project_Type;
begin
if Project = No_Project then
P := File_Info (Self.Tree.Info_Set (File).First_Element).Project;
else
P := Project;
end if;
Cursor.DBCursor.Fetch
(Self.DB,
SQL_Union
(SQL_Select
(Database.Entities.Id
& Database.Files.Path
& Database.Entities.Decl_Line
& Database.Entities.Decl_Column,
From => Database.Entities & Database.Files & Files3,
Where => Database.Entities.Decl_File = Database.Files.Id
and Compare_Files
(Database.Files.Path,
+File.Unix_Style_Full_Name (Normalize => True))
and Database.Files.Project = Files3.Id
and Compare_Files (Files3.Path, Text_Param (1))),
SQL_Select
(Database.Entities.Id
& Database.Files.Path
& Database.Entities.Decl_Line
& Database.Entities.Decl_Column,
From => Database.Entity_Refs & Database.Files & Files3
& Database.Entities,
Where => Database.Entity_Refs.File = Database.Files.Id
and Compare_Files
(Database.Files.Path,
+File.Unix_Style_Full_Name (Normalize => True))
and Database.Entity_Refs.Entity = Database.Entities.Id
and Database.Files.Project = Files3.Id
and Compare_Files (Files3.Path, Text_Param (1))),
Order_By => Database.Files.Path & Database.Entities.Decl_Line
& Database.Entities.Decl_Column,
Distinct => True),
Params => (1 => +(+P.Project_Path.Unix_Style_Full_Name
(Normalize => True))));
end Referenced_In;
-------------------
-- Referenced_In --
-------------------
procedure Referenced_In
(Self : Xref_Database'Class;
File : GNATCOLL.VFS.Virtual_File;
Project : Project_Type;
Name : String;
Cursor : out Entities_Cursor'Class) is
begin
Cursor.DBCursor.Fetch
(Self.DB,
SQL_Union
(SQL_Select
(Database.Entities.Id
& Database.Files.Path
& Database.Entities.Decl_Line
& Database.Entities.Decl_Column,
From => Database.Entities & Database.Files & Files3,
Where => Database.Entities.Decl_File = Database.Files.Id
and Compare_Files
(Database.Files.Path,
+File.Unix_Style_Full_Name (Normalize => True))
and Database.Entities.Name = Text_Param (1)
and Database.Files.Project = Files3.Id
and Compare_Files (Files3.Path, Text_Param (2))),
SQL_Select
(Database.Entities.Id
& Database.Files.Path
& Database.Entities.Decl_Line
& Database.Entities.Decl_Column,
From => Database.Entity_Refs & Database.Files & Files3
& Database.Entities,
Where => Database.Entity_Refs.File = Database.Files.Id
and Compare_Files
(Database.Files.Path,
+File.Unix_Style_Full_Name (Normalize => True))
and Database.Entity_Refs.Entity = Database.Entities.Id
and Database.Entities.Name = Text_Param (1)
and Database.Files.Project = Files3.Id
and Compare_Files (Files3.Path, Text_Param (2))),
Order_By => Database.Files.Path & Database.Entities.Decl_Line
& Database.Entities.Decl_Column,
Distinct => True),
Params => (1 => +Name,
2 => +(+Project.Project_Path.Unix_Style_Full_Name
(Normalize => True))));
end Referenced_In;
---------
-- "<" --
---------
function "<" (E1, E2 : Entity_Information) return Boolean is
begin
return E1.Id < E2.Id;
end "<";
---------
-- "=" --
---------
function "=" (E1, E2 : Entity_Information) return Boolean is
begin
return E1.Id = E2.Id;
end "=";
---------------------
-- Init_For_Entity --
---------------------
procedure Init_For_Entity
(Self : in out Recursive_References_Cursor'Class;
Entity : Entity_Information)
is
Rename : Entity_Information;
Ents : Entities_Cursor;
begin
Self.Entity := Entity;
if Entity = No_Entity then
return;
end if;
Self.Visited.Include (Entity);
if Self.From_Renames then
Rename := Self.Xref.Renaming_Of (Entity);
if Rename /= No_Entity
and then not Self.Visited.Contains (Rename)
then
Self.To_Visit.Include (Rename);
end if;
end if;
if Self.From_Overriding then
Self.Xref.Overridden_By (Entity, Cursor => Ents);
while Ents.Has_Element loop
Rename := Ents.Element;
if not Self.Visited.Contains (Rename) then
Self.To_Visit.Include (Rename);
end if;
Ents.Next;
end loop;
end if;
if Self.From_Overridden then
Rename := Self.Xref.Overrides (Entity);
if Rename /= No_Entity
and then not Self.Visited.Contains (Rename)
then
Self.To_Visit.Include (Rename);
end if;
end if;
-- Sets Self.DBCursor
Self.Compute (Self.Xref.all, Entity => Entity, Cursor => Self);
end Init_For_Entity;
----------
-- Next --
----------
overriding procedure Next (Self : in out Recursive_References_Cursor) is
Ent : Entity_Information;
begin
Next (References_Cursor (Self));
if not Self.Has_Element
and then not Self.To_Visit.Is_Empty
then
Ent := Self.To_Visit.First_Element;
Self.To_Visit.Delete_First;
Init_For_Entity (Self, Ent);
end if;
end Next;
---------------
-- Recursive --
---------------
procedure Recursive
(Self : access Xref_Database'Class;
Entity : Entity_Information;
Compute : Reference_Iterator;
Cursor : out Recursive_References_Cursor'Class;
From_Overriding : Boolean := True;
From_Overridden : Boolean := True;
From_Renames : Boolean := True)
is
begin
Cursor.Tree := Self.Tree;
Cursor.Compute := Compute;
Cursor.From_Overridden := From_Overridden;
Cursor.From_Overriding := From_Overriding;
Cursor.From_Renames := From_Renames;
Cursor.Xref := Xref_Database_Access (Self);
Cursor.Visited := Entity_Sets.Empty_Set;
Cursor.To_Visit := Entity_Sets.Empty_Set;
Init_For_Entity (Cursor, Entity);
end Recursive;
---------------------
-- Init_For_Entity --
---------------------
procedure Init_For_Entity
(Self : in out Recursive_Entities_Cursor'Class;
Entity : Entity_Information)
is
begin
Self.Visited.Include (Entity);
Self.Compute (Self.Xref.all, Entity, Cursor => Self);
if Self.Has_Element then
if not Self.Visited.Contains (Self.Element) then
Self.To_Visit.Include (Self.Element);
end if;
end if;
end Init_For_Entity;
----------
-- Next --
----------
overriding procedure Next (Self : in out Recursive_Entities_Cursor) is
Entity : Entity_Information;
begin
Next (Entities_Cursor (Self));
if Self.Has_Element then
Entity := Self.Element;
if not Self.Visited.Contains (Entity) then
Self.To_Visit.Include (Entity);
end if;
elsif not Self.To_Visit.Is_Empty then
Entity := Self.To_Visit.First_Element;
Self.To_Visit.Delete_First;
Init_For_Entity (Self, Entity);
end if;
end Next;
---------------
-- Recursive --
---------------
procedure Recursive
(Self : access Xref_Database'Class;
Entity : Entity_Information;
Compute : Entities_Iterator;
Cursor : out Recursive_Entities_Cursor)
is
begin
Cursor.Compute := Compute;
Cursor.Xref := Xref_Database_Access (Self);
Cursor.Visited := Entity_Sets.Empty_Set;
Cursor.To_Visit := Entity_Sets.Empty_Set;
Init_For_Entity (Cursor, Entity);
end Recursive;
------------------------------
-- Get_Documentation_Before --
------------------------------
procedure Get_Documentation_Before
(Context : Language_Syntax;
Buffer : String;
Decl_Index : Natural;
Comment_Start : out Natural;
Comment_End : out Natural;
Allow_Blanks : Boolean := False) is
begin
Comment_Start := Decl_Index;
Skip_To_Previous_Comment_Start
(Context, Buffer, Comment_Start, Allow_Blanks);
Comment_End := Comment_Start;
if Comment_Start /= 0 then
Skip_To_Current_Comment_Block_End (Context, Buffer, Comment_End);
Comment_End := Line_End (Buffer, Comment_End);
if Active (Me_Debug) then
Trace (Me_Debug,
"Get_Documentation: Found a comment before the entity,"
& " from" & Comment_Start'Img & " to" & Comment_End'Img);
end if;
end if;
end Get_Documentation_Before;
-----------------------------
-- Get_Documentation_After --
-----------------------------
procedure Get_Documentation_After
(Context : Language_Syntax;
Buffer : String;
Decl_Index : Natural;
Comment_Start : out Natural;
Comment_End : out Natural)
is
begin
-- Else look after the comment after the declaration (which is the
-- first block of comments after the declaration line, and not
-- separated by a blank line)
Comment_Start := Decl_Index;
Skip_To_Next_Comment_Start (Context, Buffer, Comment_Start);
Comment_End := Comment_Start;
if Comment_Start /= 0 then
Skip_To_Current_Comment_Block_End (Context, Buffer, Comment_End);
Comment_End := Line_End (Buffer, Comment_End);
if Active (Me_Debug) then
Trace (Me_Debug,
"Get_Documentation: Found a comment after the entity,"
& " from" & Comment_Start'Img & " to" & Comment_End'Img);
end if;
end if;
end Get_Documentation_After;
---------------------------------
-- Looking_At_Start_Of_Comment --
---------------------------------
function Looking_At_Start_Of_Comment
(Context : Language_Syntax;
Buffer : String;
Index : Natural) return Comment_Type
is
use type GNAT.Expect.Pattern_Matcher_Access;
begin
if Context.New_Line_Comment_Start /= null
and then Index + Context.New_Line_Comment_Start'Length <= Buffer'Last
and then Buffer
(Index .. Index + Context.New_Line_Comment_Start'Length - 1) =
Context.New_Line_Comment_Start.all
then
return Comment_Single_Line;
end if;
if Context.New_Line_Comment_Start_Regexp /= null
and then GNAT.Regpat.Match (Context.New_Line_Comment_Start_Regexp.all,
Buffer, Data_First => Index)
then
return Comment_Single_Line;
end if;
if Context.Comment_Start /= null
and then Index + Context.Comment_Start'Length <= Buffer'Last
and then Buffer (Index .. Index + Context.Comment_Start'Length - 1)
= Context.Comment_Start.all
then
return Comment_Multi_Line;
end if;
return No_Comment;
end Looking_At_Start_Of_Comment;
-----------------------------------------
-- Skip_To_Current_Comment_Block_Start --
-----------------------------------------
procedure Skip_To_Current_Comment_Block_Start
(Context : Language_Syntax;
Buffer : String;
Index : in out Natural)
is
Initial_Index : constant Natural := Index;
Lines_Skipped : Natural;
Tmp : Integer;
function Only_Blanks_Before
(Buffer : String;
Index : Natural)
return Boolean;
-- Return True if there are only blanks characters before the one
-- pointed by Index in Buffer.
-- Return False otherwise.
------------------------
-- Only_Blanks_Before --
------------------------
function Only_Blanks_Before
(Buffer : String;
Index : Natural)
return Boolean
is
Tmp : Natural := Index - 1;
begin
Skip_Blanks_Backward (Buffer, Tmp);
return Buffer'First = Tmp + 1;
end Only_Blanks_Before;
begin
-- Are we in a multi-line comment ?
if Context.Comment_End /= null then
Tmp := Line_End (Buffer, Index);
if Tmp - Context.Comment_End'Length + 1 >= Index
and then Buffer
(Tmp - Context.Comment_End'Length + 1 .. Tmp) =
Context.Comment_End.all
then -- The end of a multi-line comment has been found
while Index >= Buffer'First
and then Buffer
(Index .. Index + Context.Comment_Start'Length - 1) /=
Context.Comment_Start.all
loop
Index := Index - 1;
end loop;
if Looking_At_Start_Of_Comment (Context, Buffer, Index) =
Comment_Multi_Line
then -- The beginning of a multi-line comment has been found
return;
end if;
end if;
end if;
-- Check for single line comments
Tmp := Initial_Index;
loop
while Tmp <= Buffer'Last
and then (Buffer (Tmp) = ' ' or else Buffer (Tmp) = ASCII.HT)
loop
Tmp := Tmp + 1;
end loop;
exit when Looking_At_Start_Of_Comment (Context, Buffer, Tmp) =
No_Comment;
Index := Tmp;
exit when Only_Blanks_Before (Buffer, Tmp);
Skip_Lines (Buffer, -1, Tmp, Lines_Skipped);
exit when Lines_Skipped /= 1;
end loop;
if Looking_At_Start_Of_Comment (Context, Buffer, Index) = No_Comment then
Index := 0;
end if;
end Skip_To_Current_Comment_Block_Start;
---------------------------------------
-- Skip_To_Current_Comment_Block_End --
---------------------------------------
procedure Skip_To_Current_Comment_Block_End
(Context : Language_Syntax;
Buffer : String;
Index : in out Natural;
Ignore_Blank_Lines : Boolean := False)
is
Last_Comment_Index : Integer := Index;
Typ : Comment_Type;
Lines_Skipped : Natural;
begin
Block_Iteration : loop
Typ := Looking_At_Start_Of_Comment (Context, Buffer, Index);
case Typ is
when No_Comment =>
Index := Last_Comment_Index;
exit Block_Iteration;
when Comment_Single_Line =>
Index := Line_End (Buffer, Index);
declare
Tmp : Integer := Index;
begin
loop
Skip_Lines (Buffer, 1, Tmp, Lines_Skipped);
exit when Lines_Skipped /= 1;
while Tmp <= Buffer'Last
and then (Buffer (Tmp) = ' ' or Buffer (Tmp) = ASCII.HT)
loop
Tmp := Tmp + 1;
end loop;
exit when
Looking_At_Start_Of_Comment (Context, Buffer, Tmp) =
No_Comment;
Index := Tmp;
end loop;
end;
when Comment_Multi_Line =>
Skip_To_String (Buffer, Index, Context.Comment_End.all);
Index := Index - 1;
end case;
if Ignore_Blank_Lines then
Last_Comment_Index := Index;
Skip_Lines (Buffer, 1, Index, Lines_Skipped);
exit Block_Iteration when Lines_Skipped /= 1;
Skip_Blanks (Buffer, Index);
else
exit Block_Iteration;
end if;
end loop Block_Iteration;
end Skip_To_Current_Comment_Block_End;
--------------------------------
-- Skip_To_Next_Comment_Start --
--------------------------------
procedure Skip_To_Next_Comment_Start
(Context : Language_Syntax;
Buffer : String;
Index : in out Natural)
is
Lines_Skipped : Natural;
begin
while Index < Buffer'Last loop
Skip_Lines (Buffer, 1, Index, Lines_Skipped);
exit when Lines_Skipped /= 1 or else Is_Blank_Line (Buffer, Index);
Skip_Blanks (Buffer, Index);
if Looking_At_Start_Of_Comment (Context, Buffer, Index) /=
No_Comment
then
return;
end if;
end loop;
Index := 0;
end Skip_To_Next_Comment_Start;
------------------------------------
-- Skip_To_Previous_Comment_Start --
------------------------------------
procedure Skip_To_Previous_Comment_Start
(Context : Language_Syntax;
Buffer : String;
Index : in out Natural;
Allow_Blanks : Boolean := False)
is
Lines_Skipped : Natural;
No_Blanks : Boolean := not Allow_Blanks;
Non_Blank_Found : Boolean := False;
begin
if Index = Buffer'First then
Skip_Blanks (Buffer, Index);
if Looking_At_Start_Of_Comment
(Context, Buffer, Index) /= No_Comment
then
Skip_To_Current_Comment_Block_Start (Context, Buffer, Index);
else
Index := 0;
end if;
return;
end if;
loop
Skip_Lines (Buffer, -1, Index, Lines_Skipped);
exit when Lines_Skipped /= 1;
if Is_Blank_Line (Buffer, Index) then
exit when No_Blanks;
else
if Non_Blank_Found then
-- No longer allow blank lines after a first non blank one
No_Blanks := True;
else
Non_Blank_Found := True;
end if;
Skip_Blanks (Buffer, Index);
if Looking_At_Start_Of_Comment (Context, Buffer, Index) /=
No_Comment
then
Skip_To_Current_Comment_Block_Start (Context, Buffer, Index);
return;
end if;
end if;
end loop;
Index := 0;
end Skip_To_Previous_Comment_Start;
----------------
-- Char_Value --
----------------
function Char_Value
(R : Forward_Cursor; Field : Field_Index) return Character
is
T : constant String := R.Value (Field);
begin
if T = "" then
return Kind_Id_Declaration;
else
return T (T'First);
end if;
end Char_Value;
-----------------------
-- Show_In_Callgraph --
-----------------------
function Show_In_Callgraph
(Xref : Xref_Database;
Ref : Entity_Reference) return Boolean
is
R : Forward_Cursor;
begin
if Ref.Kind_Id = Kind_Id_Declaration then
return True;
else
R.Fetch
(Xref.DB,
SQL_Select
(Database.Reference_Kinds.Show_In_Callgraph,
From => Database.Reference_Kinds,
Where => Database.Reference_Kinds.Id = "" & Ref.Kind_Id));
return Boolean_Value (R, 0);
end if;
end Show_In_Callgraph;
--------------------------------
-- Is_Read_Or_Write_Reference --
--------------------------------
function Is_Read_Or_Write_Reference
(Xref : Xref_Database;
Ref : Entity_Reference) return Boolean
is
R : Forward_Cursor;
begin
if Ref.Kind_Id = Kind_Id_Declaration then
return True;
else
R.Fetch
(Xref.DB,
SQL_Select
(Database.Reference_Kinds.Is_Real
& Database.Reference_Kinds.Is_Write,
From => Database.Reference_Kinds,
Where => Database.Reference_Kinds.Id = "" & Ref.Kind_Id));
return Boolean_Value (R, 0) or else Boolean_Value (R, 1);
end if;
end Is_Read_Or_Write_Reference;
-----------------------
-- Is_Real_Reference --
-----------------------
function Is_Real_Reference
(Xref : Xref_Database;
Ref : Entity_Reference) return Boolean
is
R : Forward_Cursor;
begin
if Ref.Kind_Id = Kind_Id_Declaration then
return True;
else
R.Fetch
(Xref.DB,
SQL_Select
(Database.Reference_Kinds.Is_Real,
From => Database.Reference_Kinds,
Where => Database.Reference_Kinds.Id = "" & Ref.Kind_Id));
return Boolean_Value (R, 0);
end if;
end Is_Real_Reference;
-----------------------
-- Is_Read_Reference --
-----------------------
function Is_Read_Reference
(Xref : Xref_Database;
Ref : Entity_Reference) return Boolean
is
R : Forward_Cursor;
begin
if Ref.Kind_Id = Kind_Id_Declaration then
return True;
else
R.Fetch
(Xref.DB,
SQL_Select
(Database.Reference_Kinds.Is_Read,
From => Database.Reference_Kinds,
Where => Database.Reference_Kinds.Id = "" & Ref.Kind_Id));
return Boolean_Value (R, 0);
end if;
end Is_Read_Reference;
---------------------------
-- Is_Implicit_Reference --
---------------------------
function Is_Implicit_Reference
(Xref : Xref_Database;
Ref : Entity_Reference) return Boolean
is
R : Forward_Cursor;
begin
if Ref.Kind_Id = Kind_Id_Declaration then
return True;
else
R.Fetch
(Xref.DB,
SQL_Select
(Database.Reference_Kinds.Is_Implicit,
From => Database.Reference_Kinds,
Where => Database.Reference_Kinds.Id = "" & Ref.Kind_Id));
return Boolean_Value (R, 0);
end if;
end Is_Implicit_Reference;
------------------------
-- Is_Write_Reference --
------------------------
function Is_Write_Reference
(Xref : Xref_Database;
Ref : Entity_Reference) return Boolean
is
R : Forward_Cursor;
begin
if Ref.Kind_Id = Kind_Id_Declaration then
return False;
else
R.Fetch
(Xref.DB,
SQL_Select
(Database.Reference_Kinds.Is_Write,
From => Database.Reference_Kinds,
Where => Database.Reference_Kinds.Id = "" & Ref.Kind_Id));
return Boolean_Value (R, 0);
end if;
end Is_Write_Reference;
-------------------------
-- Is_Dispatching_Call --
-------------------------
function Is_Dispatching_Call
(Xref : Xref_Database;
Ref : Entity_Reference) return Boolean
is
R : Forward_Cursor;
begin
if Ref.Kind_Id = Kind_Id_Declaration then
return False;
else
R.Fetch
(Xref.DB,
SQL_Select
(Database.Reference_Kinds.Is_Dispatching,
From => Database.Reference_Kinds,
Where => Database.Reference_Kinds.Id = "" & Ref.Kind_Id));
return Boolean_Value (R, 0);
end if;
end Is_Dispatching_Call;
-----------------
-- Internal_Id --
-----------------
function Internal_Id (Entity : Entity_Information) return Integer is
begin
return Entity.Id;
end Internal_Id;
----------------------
-- From_Internal_Id --
----------------------
function From_Internal_Id (Id : Integer) return Entity_Information is
begin
return (Id => Id, Fuzzy => False);
end From_Internal_Id;
-------------------
-- Is_Up_To_Date --
-------------------
function Is_Up_To_Date
(Self : Xref_Database; File : GNATCOLL.VFS.Virtual_File) return Boolean
is
begin
if File = No_File then
-- A predefined entity
return True;
else
declare
Files : Forward_Cursor;
begin
-- For efficiency, we do not store the timestamps for source files
-- in the database. So we need to compare the timestamp of the LI
-- file from the database with the source stamp
Files.Fetch
(Self.DB, Query_Get_ALI,
Params => (1 => +(+File.Unix_Style_Full_Name
(Normalize => True))));
if Files.Has_Row then
if Active (Me_Debug) then
Assert (Me_Debug,
not Files.Is_Null (1),
"No registered timestamp for ALI file "
& Files.Value (0));
Trace (Me_Debug,
"ali db=" & Image (Files.Time_Value (1), "%D-%T")
& " src disk="
& Image (File.File_Time_Stamp, "%D-%T"));
end if;
return Files.Time_Value (1) >= File.File_Time_Stamp;
else
return False; -- file not even known in database
end if;
end;
end if;
end Is_Up_To_Date;
------------------------------
-- All_Real_Reference_Kinds --
------------------------------
function All_Real_Reference_Kinds
(Xref : Xref_Database) return GNAT.Strings.String_List
is
R : Direct_Cursor;
begin
R.Fetch
(Xref.DB,
SQL_Select
(Reference_Kinds.Display,
From => Reference_Kinds,
Where => Reference_Kinds.Is_Real = True,
Order_By => Reference_Kinds.Display));
return Result : String_List (1 .. Integer (R.Rows_Count)) do
for Index in Result'Range loop
Result (Index) := new String'(Value (R, 0));
R.Next;
end loop;
end return;
end All_Real_Reference_Kinds;
--------------------
-- From_Instances --
--------------------
function From_Instances
(Self : Xref_Database'Class;
Ref : Entity_Reference) return Entity_Array
is
Inst : Entity_Information;
R : Forward_Cursor;
begin
if Ref.Kind_Id = Kind_Id_Declaration then
Inst := Self.Instance_Of (Ref.Entity);
if Inst = No_Entity then
-- No instantiation
return (1 .. 0 => No_Entity);
else
-- Instantiation of a single entity.
return (1 .. 1 => Inst);
end if;
else
R.Fetch
(Self.DB,
SQL_Select
(Entity_Refs.From_Instantiation,
From => Entity_Refs & Files,
Where => Entity_Refs.Entity = Ref.Entity.Id
and Entity_Refs.Line = Ref.Line
and Entity_Refs.Column = Integer (Ref.Column)
and Entity_Refs.File = Files.Id
and Compare_Files
(Files.Path,
+Ref.File.Unix_Style_Full_Name (Normalize => True))));
if R.Has_Row then
declare
Str : GNAT.Strings.String_List_Access :=
Split (R.Value (0), ',');
Result : Entity_Array (Str'Range);
begin
-- Need to search which entities each of the location
-- corresponds to.
for S in Str'Range loop
declare
Pipe : constant Integer :=
Strings.Fixed.Index (Str (S).all, "|");
File : constant Integer :=
Integer'Value
(Str (S) (Str (S)'First .. Pipe - 1));
Line : constant Integer :=
Integer'Value
(Str (S) (Pipe + 1 .. Str (S)'Last));
begin
R.Fetch
(Self.DB,
SQL_Select
(Entities.Id,
From => Entities,
Where => Entities.Decl_File = File
and Entities.Decl_Line = Line));
if R.Has_Row then
Result (S) :=
(Id => R.Integer_Value (0),
Fuzzy => False);
else
Result (S) := No_Entity;
end if;
end;
end loop;
Free (Str);
return Result;
end;
else
-- No instantiation
return (1 .. 0 => No_Entity);
end if;
end if;
end From_Instances;
-----------------
-- From_Prefix --
-----------------
procedure From_Prefix
(Self : Xref_Database'Class;
Prefix : String;
Is_Partial : Boolean := True;
Cursor : out Entities_Cursor'Class)
is
Q : SQL_Query;
begin
if Is_Partial then
Q := SQL_Select
(Entities2_Fields,
From => Entities2,
Where => Like (Entities2.Name, Prefix & '%'),
Order_By => Entities2.Name);
else
Q := SQL_Select
(Entities2_Fields,
From => Entities2,
Where => Entities2.Name = Prefix,
Order_By => Entities2.Name);
end if;
Cursor.DBCursor.Fetch (Self.DB, Q);
end From_Prefix;
----------------
-- Add_Entity --
----------------
function Add_Entity
(Self : Xref_Database;
Name : String;
Kind : String;
Decl_File : GNATCOLL.VFS.Virtual_File;
Decl_Project : Project_Type;
Decl_Line : Natural;
Decl_Column : Natural) return Entity_Information
is
Id : Integer;
Was_Started : Boolean;
begin
Was_Started := Self.DB.Start_Transaction;
Id := Self.DB.Insert_And_Get_PK
(SQL_Insert
(Fields => Entities.Name & Entities.Kind & Entities.Decl_File
& Entities.Decl_Line & Entities.Decl_Column,
Values => SQL_Select
(Text_Param (3)
& Entity_Kinds.Id
& Files.Id
& Integer_Param (4) & Integer_Param (5),
From => Entity_Kinds & Files & Files3,
Where => Entity_Kinds.Display = Text_Param (2)
and Compare_Files (Files.Path, Text_Param (1))
and Files.Project = Files3.Id
and Compare_Files (Files3.Path, Text_Param (6)))),
Params =>
(1 => +(+Decl_File.Unix_Style_Full_Name (Normalize => True)),
2 => +Kind,
3 => +Name,
4 => +Decl_Line,
5 => +Decl_Column,
6 => +(+Decl_Project.Project_Path.Unix_Style_Full_Name
(Normalize => True))),
PK => Entities.Id);
if Was_Started then
Self.DB.Commit;
end if;
return Entity_Information'
(Fuzzy => False,
Id => Id);
exception
when E : others =>
Trace (Me_Error, E);
if Was_Started then
Self.DB.Rollback;
end if;
return No_Entity;
end Add_Entity;
------------------
-- Needs_Update --
------------------
procedure Needs_Update
(Self : in out Xref_Database;
Project : Project_Type;
Update_Needed : out Boolean;
Parse_Runtime_Files : Boolean := True)
is
LI_Files : Library_Info_List;
LIs : LI_Lists.List;
Absolute_Start : Time;
begin
if Active (Me_Timing) then
Absolute_Start := Clock;
end if;
Update_Needed := True;
Project.Library_Files
(Recursive => True, Xrefs_Dirs => True, Including_Libraries => True,
ALI_Ext => "^.*\.[ags]li$", List => LI_Files,
Include_Predefined => Parse_Runtime_Files);
if Active (Me_Timing) then
Trace (Me_Timing,
"Found" & Length (LI_Files)'Img & " [ags]li files");
end if;
declare
DB_Created : Boolean;
begin
Initialize_DB (Self, Self.DB, "", DB_Created,
Force => False); -- From_DB_Name -> Self.DB
end;
if Self.DB_Created then
Search_LI_Files_To_Update
(Self, LI_Files, LIs, Force_Refresh => False);
Update_Needed := not LIs.Is_Empty;
else
Update_Needed := not LI_Files.Is_Empty;
end if;
if Active (Me_Timing) then
Trace (Me_Timing, "Total time:"
& Duration'Image (Clock - Absolute_Start) & " s");
end if;
end Needs_Update;
end GNATCOLL.Xref;
|