package merlin-lib
Merlin's libraries
Install
Dune Dependency
Authors
Maintainers
Sources
merlin-5.5-503.tbz
sha256=67da3b34f2fea07678267309f61da4a2c6f08298de0dc59655b8d30fd8269af1
sha512=1fb3b5180d36aa82b82a319e15b743b802b6888f0dc67645baafdb4e18dfc23a7b90064ec9bc42f7424061cf8cde7f8839178d8a8537bf4596759f3ff4891873
doc/src/merlin-lib.ocaml_typing/env.ml.html
Source file env.ml
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
(**************************************************************************) (* *) (* OCaml *) (* *) (* Xavier Leroy, projet Cristal, INRIA Rocquencourt *) (* *) (* Copyright 1996 Institut National de Recherche en Informatique et *) (* en Automatique. *) (* *) (* All rights reserved. This file is distributed under the terms of *) (* the GNU Lesser General Public License version 2.1, with the *) (* special exception on linking described in the file LICENSE. *) (* *) (**************************************************************************) (* Environment handling *) open Cmi_format open Misc open Asttypes open Longident open Path open Types open Local_store module String = Misc.String let add_delayed_check_forward = ref (fun _ -> assert false) type 'a usage_tbl = (Uid.t, ('a -> unit)) Stamped_hashtable.t (** This table is used to track usage of value declarations. A declaration is identified by its uid. The callback attached to a declaration is called whenever the value (or type, or ...) is used explicitly (lookup_value, ...) or implicitly (inclusion test between signatures, cf Includemod.value_descriptions, ...). *) let local_stamped n : Stamped_hashtable.changelog * ('a usage_tbl) = let changelog = Stamped_hashtable.create_changelog () in changelog, Stamped_hashtable.create changelog n let stamped_value_declarations = s_table local_stamped 32 let value_declarations_changelog, value_declarations = !stamped_value_declarations let stamped_type_declarations = s_table local_stamped 32 let type_declarations_changelog, type_declarations = !stamped_type_declarations let stamped_module_declarations = s_table local_stamped 32 let module_declarations_changelog, module_declarations = !stamped_module_declarations type constructor_usage = Positive | Pattern | Exported_private | Exported type constructor_usages = { mutable cu_positive: bool; mutable cu_pattern: bool; mutable cu_exported_private: bool; } let add_constructor_usage cu usage = match usage with | Positive -> cu.cu_positive <- true | Pattern -> cu.cu_pattern <- true | Exported_private -> cu.cu_exported_private <- true | Exported -> cu.cu_positive <- true; cu.cu_pattern <- true; cu.cu_exported_private <- true let constructor_usages () = {cu_positive = false; cu_pattern = false; cu_exported_private = false} let constructor_usage_complaint ~rebind priv cu : Warnings.constructor_usage_warning option = match priv, rebind with | Asttypes.Private, _ | _, true -> if cu.cu_positive || cu.cu_pattern || cu.cu_exported_private then None else Some Unused | Asttypes.Public, false -> begin match cu.cu_positive, cu.cu_pattern, cu.cu_exported_private with | true, _, _ -> None | false, false, false -> Some Unused | false, true, _ -> Some Not_constructed | false, false, true -> Some Only_exported_private end let stamped_used_constructors = s_table local_stamped 32 let used_constructors_changelog, used_constructors = !stamped_used_constructors type label_usage = Projection | Mutation | Construct | Exported_private | Exported type label_usages = { mutable lu_projection: bool; mutable lu_mutation: bool; mutable lu_construct: bool; } let add_label_usage lu usage = match usage with | Projection -> lu.lu_projection <- true; | Mutation -> lu.lu_mutation <- true | Construct -> lu.lu_construct <- true | Exported_private -> lu.lu_projection <- true | Exported -> lu.lu_projection <- true; lu.lu_mutation <- true; lu.lu_construct <- true let is_mutating_label_usage = function | Mutation -> true | (Projection | Construct | Exported_private | Exported) -> false let label_usages () = {lu_projection = false; lu_mutation = false; lu_construct = false} let label_usage_complaint priv mut lu : Warnings.field_usage_warning option = match priv, mut with | Asttypes.Private, _ -> if lu.lu_projection then None else Some Unused | Asttypes.Public, Asttypes.Immutable -> begin match lu.lu_projection, lu.lu_construct with | true, _ -> None | false, false -> Some Unused | false, true -> Some Not_read end | Asttypes.Public, Asttypes.Mutable -> begin match lu.lu_projection, lu.lu_mutation, lu.lu_construct with | true, true, _ -> None | false, false, false -> Some Unused | false, _, _ -> Some Not_read | true, false, _ -> Some Not_mutated end let stamped_used_labels = s_table local_stamped 32 let used_labels_changelog, used_labels = !stamped_used_labels (** Map indexed by the name of module components. *) module NameMap = String.Map type value_unbound_reason = | Val_unbound_instance_variable | Val_unbound_self | Val_unbound_ancestor | Val_unbound_ghost_recursive of Location.t type module_unbound_reason = | Mod_unbound_illegal_recursion type summary = Env_empty | Env_value of summary * Ident.t * value_description | Env_type of summary * Ident.t * type_declaration | Env_extension of summary * Ident.t * extension_constructor | Env_module of summary * Ident.t * module_presence * module_declaration | Env_modtype of summary * Ident.t * modtype_declaration | Env_class of summary * Ident.t * class_declaration | Env_cltype of summary * Ident.t * class_type_declaration | Env_open of summary * Path.t | Env_functor_arg of summary * Ident.t | Env_constraints of summary * type_declaration Path.Map.t | Env_copy_types of summary | Env_persistent of summary * Ident.t | Env_value_unbound of summary * string * value_unbound_reason | Env_module_unbound of summary * string * module_unbound_reason let map_summary f = function Env_empty -> Env_empty | Env_value (s, id, d) -> Env_value (f s, id, d) | Env_type (s, id, d) -> Env_type (f s, id, d) | Env_extension (s, id, d) -> Env_extension (f s, id, d) | Env_module (s, id, p, d) -> Env_module (f s, id, p, d) | Env_modtype (s, id, d) -> Env_modtype (f s, id, d) | Env_class (s, id, d) -> Env_class (f s, id, d) | Env_cltype (s, id, d) -> Env_cltype (f s, id, d) | Env_open (s, p) -> Env_open (f s, p) | Env_functor_arg (s, id) -> Env_functor_arg (f s, id) | Env_constraints (s, m) -> Env_constraints (f s, m) | Env_copy_types s -> Env_copy_types (f s) | Env_persistent (s, id) -> Env_persistent (f s, id) | Env_value_unbound (s, u, r) -> Env_value_unbound (f s, u, r) | Env_module_unbound (s, u, r) -> Env_module_unbound (f s, u, r) type address = | Aident of Ident.t | Adot of address * int module TycompTbl = struct (** This module is used to store components of types (i.e. labels and constructors). We keep a representation of each nested "open" and the set of local bindings between each of them. *) type 'a t = { current: 'a Ident.tbl; (** Local bindings since the last open. *) opened: 'a opened option; (** Symbolic representation of the last (innermost) open, if any. *) } and 'a opened = { components: ('a list) NameMap.t; (** Components from the opened module. We keep a list of bindings for each name, as in comp_labels and comp_constrs. *) root: Path.t; (** Only used to check removal of open *) using: (string -> ('a * 'a) option -> unit) option; (** A callback to be applied when a component is used from this "open". This is used to detect unused "opens". The arguments are used to detect shadowing. *) next: 'a t; (** The table before opening the module. *) } let empty = { current = Ident.empty; opened = None } let add id x tbl = {tbl with current = Ident.add id x tbl.current} let add_open slot wrap root components next = let using = match slot with | None -> None | Some f -> Some (fun s x -> f s (wrap x)) in { current = Ident.empty; opened = Some {using; components; root; next}; } let remove_last_open rt tbl = match tbl.opened with | Some {root; next; _} when Path.same rt root -> { next with current = Ident.fold_all Ident.add tbl.current next.current } | _ -> assert false let rec find_same id tbl = try Ident.find_same id tbl.current with Not_found as exn -> begin match tbl.opened with | Some {next; _} -> find_same id next | None -> raise exn end let nothing = fun () -> () let mk_callback rest name desc using = match using with | None -> nothing | Some f -> (fun () -> match rest with | [] -> f name None | (, _) :: _ -> f name (Some (desc, hidden))) let rec find_all ~mark name tbl = List.map (fun (_id, desc) -> desc, nothing) (Ident.find_all name tbl.current) @ match tbl.opened with | None -> [] | Some {using; next; components; root = _} -> let rest = find_all ~mark name next in let using = if mark then using else None in match NameMap.find name components with | exception Not_found -> rest | opened -> List.map (fun desc -> desc, mk_callback rest name desc using) opened @ rest let rec fold_name f tbl acc = let acc = Ident.fold_name (fun _id d -> f d) tbl.current acc in match tbl.opened with | Some {using = _; next; components; root = _} -> acc |> NameMap.fold (fun _name -> List.fold_right f) components |> fold_name f next | None -> acc let rec local_keys tbl acc = let acc = Ident.fold_all (fun k _ accu -> k::accu) tbl.current acc in match tbl.opened with | Some o -> local_keys o.next acc | None -> acc let diff_keys is_local tbl1 tbl2 = let keys2 = local_keys tbl2 [] in List.filter (fun id -> is_local (find_same id tbl2) && try ignore (find_same id tbl1); false with Not_found -> true) keys2 end module IdTbl = struct (** This module is used to store all kinds of components except (labels and constructors) in environments. We keep a representation of each nested "open" and the set of local bindings between each of them. *) type ('a, 'b) t = { current: 'a Ident.tbl; (** Local bindings since the last open *) layer: ('a, 'b) layer; (** Symbolic representation of the last (innermost) open, if any. *) } and ('a, 'b) layer = | Open of { root: Path.t; (** The path of the opened module, to be prefixed in front of its local names to produce a valid path in the current environment. *) components: 'b NameMap.t; (** Components from the opened module. *) using: (string -> ('a * 'a) option -> unit) option; (** A callback to be applied when a component is used from this "open". This is used to detect unused "opens". The arguments are used to detect shadowing. *) next: ('a, 'b) t; (** The table before opening the module. *) } | Map of { f: ('a -> 'a); next: ('a, 'b) t; } | Nothing let empty = { current = Ident.empty; layer = Nothing } let add id x tbl = {tbl with current = Ident.add id x tbl.current} let remove id tbl = {tbl with current = Ident.remove id tbl.current} let add_open slot wrap root components next = let using = match slot with | None -> None | Some f -> Some (fun s x -> f s (wrap x)) in { current = Ident.empty; layer = Open {using; root; components; next}; } let remove_last_open rt tbl = match tbl.layer with | Open {root; next; _} when Path.same rt root -> { next with current = Ident.fold_all Ident.add tbl.current next.current } | _ -> assert false let map f next = { current = Ident.empty; layer = Map {f; next} } let rec find_same id tbl = try Ident.find_same id tbl.current with Not_found as exn -> begin match tbl.layer with | Open {next; _} -> find_same id next | Map {f; next} -> f (find_same id next) | Nothing -> raise exn end let rec find_name wrap ~mark name tbl = try let (id, desc) = Ident.find_name name tbl.current in Pident id, desc with Not_found as exn -> begin match tbl.layer with | Open {using; root; next; components} -> begin try let descr = wrap (NameMap.find name components) in let res = Pdot (root, name), descr in if mark then begin match using with | None -> () | Some f -> begin match find_name wrap ~mark:false name next with | exception Not_found -> f name None | _, descr' -> f name (Some (descr', descr)) end end; res with Not_found -> find_name wrap ~mark name next end | Map {f; next} -> let (p, desc) = find_name wrap ~mark name next in p, f desc | Nothing -> raise exn end let rec find_all wrap name tbl = List.map (fun (id, desc) -> Pident id, desc) (Ident.find_all name tbl.current) @ match tbl.layer with | Nothing -> [] | Open {root; using = _; next; components} -> begin try let desc = wrap (NameMap.find name components) in (Pdot (root, name), desc) :: find_all wrap name next with Not_found -> find_all wrap name next end | Map {f; next} -> List.map (fun (p, desc) -> (p, f desc)) (find_all wrap name next) let rec find_all_idents name tbl () = let current = Ident.find_all_seq name tbl.current |> Seq.map (fun (id, _) -> Some id) in let next () = match tbl.layer with | Nothing -> Seq.Nil | Open { next; components; _ } -> if NameMap.mem name components then Seq.Cons(None, find_all_idents name next) else find_all_idents name next () | Map {next; _ } -> find_all_idents name next () in Seq.append current next () let rec fold_name wrap f tbl acc = let acc = Ident.fold_name (fun id d -> f (Ident.name id) (Pident id, d)) tbl.current acc in match tbl.layer with | Open {root; using = _; next; components} -> acc |> NameMap.fold (fun name desc -> f name (Pdot (root, name), wrap desc)) components |> fold_name wrap f next | Nothing -> acc | Map {f=g; next} -> acc |> fold_name wrap (fun name (path, desc) -> f name (path, g desc)) next let rec local_keys tbl acc = let acc = Ident.fold_all (fun k _ accu -> k::accu) tbl.current acc in match tbl.layer with | Open {next; _ } | Map {next; _} -> local_keys next acc | Nothing -> acc let rec iter wrap f tbl = Ident.iter (fun id desc -> f id (Pident id, desc)) tbl.current; match tbl.layer with | Open {root; using = _; next; components} -> NameMap.iter (fun s x -> let root_scope = Path.scope root in f (Ident.create_scoped ~scope:root_scope s) (Pdot (root, s), wrap x)) components; iter wrap f next | Map {f=g; next} -> iter wrap (fun id (path, desc) -> f id (path, g desc)) next | Nothing -> () let diff_keys tbl1 tbl2 = let keys2 = local_keys tbl2 [] in List.filter (fun id -> try ignore (find_same id tbl1); false with Not_found -> true) keys2 end type type_descr_kind = (label_description, constructor_description) type_kind type type_descriptions = type_descr_kind let in_signature_flag = 0x01 let stamped_changelog = s_table Stamped_hashtable.create_changelog () let stamped_path_add table path value = let rec path_stamp = function | Pident id -> Ident.stamp id | Pdot (t, _) -> path_stamp t | Papply (t1, t2) -> Int.max (path_stamp t1) (path_stamp t2) | Pextra_ty (t, _) -> path_stamp t in let stamp = path_stamp path in let stamp = if stamp = 0 then None else Some stamp in Stamped_hashtable.add table ?stamp path value let stamped_uid_add table uid value = let stamp = Types.Uid.stamp_of_uid uid in Stamped_hashtable.add table ?stamp uid value let stamped_mem table value = Stamped_hashtable.mem table value let stamped_find table value = Stamped_hashtable.find table value let stamped_create n = Stamped_hashtable.create !stamped_changelog n type t = { values: (value_entry, value_data) IdTbl.t; constrs: constructor_data TycompTbl.t; labels: label_data TycompTbl.t; types: (type_data, type_data) IdTbl.t; modules: (module_entry, module_data) IdTbl.t; modtypes: (modtype_data, modtype_data) IdTbl.t; classes: (class_data, class_data) IdTbl.t; cltypes: (cltype_data, cltype_data) IdTbl.t; functor_args: unit Ident.tbl; summary: summary; local_constraints: type_declaration Path.Map.t; flags: int; short_paths: Short_paths.t option; short_paths_additions: short_paths_addition list; } and module_components = { alerts: alerts; uid: Uid.t; comps: (components_maker, (module_components_repr, module_components_failure) result) Lazy_backtrack.t; } and components_maker = { cm_env: t; cm_prefixing_subst: Subst.t; cm_path: Path.t; cm_addr: address_lazy; cm_mty: Subst.Lazy.modtype; cm_shape: Shape.t; } and module_components_repr = Structure_comps of structure_components | Functor_comps of functor_components and module_components_failure = | No_components_abstract | No_components_alias of Path.t and structure_components = { mutable comp_values: value_data NameMap.t; mutable comp_constrs: constructor_data list NameMap.t; mutable comp_labels: label_data list NameMap.t; mutable comp_types: type_data NameMap.t; mutable comp_modules: module_data NameMap.t; mutable comp_modtypes: modtype_data NameMap.t; mutable comp_classes: class_data NameMap.t; mutable comp_cltypes: cltype_data NameMap.t; } and functor_components = { fcomp_arg: functor_parameter; (* Formal parameter and argument signature *) fcomp_res: module_type; (* Result signature *) fcomp_shape: Shape.t; fcomp_cache: (Path.t, module_components) Stamped_hashtable.t; (* For memoization *) fcomp_subst_cache: (Path.t, module_type) Stamped_hashtable.t; } and address_unforced = | Projection of { parent : address_lazy; pos : int; } | ModAlias of { env : t; path : Path.t; } and address_lazy = (address_unforced, address) Lazy_backtrack.t and value_data = { vda_description : value_description; vda_address : address_lazy; vda_shape : Shape.t } and value_entry = | Val_bound of value_data | Val_unbound of value_unbound_reason and constructor_data = { cda_description : constructor_description; cda_address : address_lazy option; cda_shape: Shape.t; } and label_data = label_description and type_data = { tda_declaration : type_declaration; tda_descriptions : type_descriptions; tda_shape : Shape.t; } and module_data = { mda_declaration : Subst.Lazy.module_decl; mda_components : module_components; mda_address : address_lazy; mda_shape: Shape.t; } and module_entry = | Mod_local of module_data | Mod_persistent | Mod_unbound of module_unbound_reason and modtype_data = { mtda_declaration : Subst.Lazy.modtype_declaration; mtda_shape : Shape.t; } and class_data = { clda_declaration : class_declaration; clda_address : address_lazy; clda_shape : Shape.t } and cltype_data = { cltda_declaration : class_type_declaration; cltda_shape : Shape.t } and short_paths_addition = | Type of Ident.t * type_declaration | Class_type of Ident.t * class_type_declaration | Module_type of Ident.t * modtype_declaration | Module of Ident.t * module_declaration * module_components | Type_open of Path.t * type_data NameMap.t | Class_type_open of Path.t * class_type_declaration NameMap.t | Module_type_open of Path.t * modtype_declaration NameMap.t | Module_open of Path.t * module_data NameMap.t let empty_structure = Structure_comps { comp_values = NameMap.empty; comp_constrs = NameMap.empty; comp_labels = NameMap.empty; comp_types = NameMap.empty; comp_modules = NameMap.empty; comp_modtypes = NameMap.empty; comp_classes = NameMap.empty; comp_cltypes = NameMap.empty } type unbound_value_hint = | No_hint | Missing_rec of Location.t type lookup_error = | Unbound_value of Longident.t * unbound_value_hint | Unbound_type of Longident.t | Unbound_constructor of Longident.t | Unbound_label of Longident.t | Unbound_module of Longident.t | Unbound_class of Longident.t | Unbound_modtype of Longident.t | Unbound_cltype of Longident.t | Unbound_instance_variable of string | Not_an_instance_variable of string | Masked_instance_variable of Longident.t | Masked_self_variable of Longident.t | Masked_ancestor_variable of Longident.t | Structure_used_as_functor of Longident.t | Abstract_used_as_functor of Longident.t | Functor_used_as_structure of Longident.t | Abstract_used_as_structure of Longident.t | Generative_used_as_applicative of Longident.t | Illegal_reference_to_recursive_module | Cannot_scrape_alias of Longident.t * Path.t type error = | Missing_module of Location.t * Path.t * Path.t | Illegal_value_name of Location.t * string | Lookup_error of Location.t * t * lookup_error exception Error of error let error err = raise (Error err) let lookup_error loc env err = error (Lookup_error(loc, env, err)) let same_type_declarations e1 e2 = e1.types == e2.types && e1.modules == e2.modules && e1.local_constraints == e2.local_constraints let same_constr = ref (fun _ _ _ -> assert false) let check_well_formed_module = ref (fun _ -> assert false) (* Helper to decide whether to report an identifier shadowing by some 'open'. For labels and constructors, we do not report if the two elements are from the same re-exported declaration. Later, one could also interpret some attributes on value and type declarations to silence the shadowing warnings. *) let check_shadowing env = function | `Constructor (Some (cda1, cda2)) when not (!same_constr env cda1.cda_description.cstr_res cda2.cda_description.cstr_res) -> Some "constructor" | `Label (Some (l1, l2)) when not (!same_constr env l1.lbl_res l2.lbl_res) -> Some "label" | `Value (Some (Val_unbound _, _)) -> None | `Value (Some (_, _)) -> Some "value" | `Type (Some _) -> Some "type" | `Module (Some (Mod_unbound _, _)) -> None | `Module (Some _) | `Component (Some _) -> Some "module" | `Module_type (Some _) -> Some "module type" | `Class (Some _) -> Some "class" | `Class_type (Some _) -> Some "class type" | `Constructor _ | `Label _ | `Value None | `Type None | `Module None | `Module_type None | `Class None | `Class_type None | `Component None -> None let empty = { values = IdTbl.empty; constrs = TycompTbl.empty; labels = TycompTbl.empty; types = IdTbl.empty; modules = IdTbl.empty; modtypes = IdTbl.empty; classes = IdTbl.empty; cltypes = IdTbl.empty; summary = Env_empty; local_constraints = Path.Map.empty; flags = 0; functor_args = Ident.empty; short_paths = None; short_paths_additions = []; } let in_signature b env = let flags = if b then env.flags lor in_signature_flag else env.flags land (lnot in_signature_flag) in {env with flags} let is_in_signature env = env.flags land in_signature_flag <> 0 let has_local_constraints env = not (Path.Map.is_empty env.local_constraints) let is_ext cda = match cda.cda_description with | {cstr_tag = Cstr_extension _} -> true | _ -> false let is_local_ext cda = match cda.cda_description with | {cstr_tag = Cstr_extension(p, _)} -> begin match p with | Pident _ -> true | Pdot _ | Papply _ | Pextra_ty _ -> false end | _ -> false let diff env1 env2 = IdTbl.diff_keys env1.values env2.values @ TycompTbl.diff_keys is_local_ext env1.constrs env2.constrs @ IdTbl.diff_keys env1.modules env2.modules @ IdTbl.diff_keys env1.classes env2.classes (* Functions for use in "wrap" parameters in IdTbl *) let wrap_identity x = x let wrap_value vda = Val_bound vda let wrap_module mda = Mod_local mda (* Forward declarations *) let components_of_module_maker' = ref ((fun _ -> assert false) : components_maker -> (module_components_repr, module_components_failure) result) let components_of_functor_appl' = ref ((fun ~loc:_ ~f_path:_ ~f_comp:_ ~arg:_ _env -> assert false) : loc:Location.t -> f_path:Path.t -> f_comp:functor_components -> arg:Path.t -> t -> module_components) let check_functor_application = (* to be filled by Includemod *) ref ((fun ~errors:_ ~loc:_ ~lid_whole_app:_ ~f0_path:_ ~args:_ ~arg_path:_ ~arg_mty:_ ~param_mty:_ _env -> assert false) : errors:bool -> loc:Location.t -> lid_whole_app:Longident.t -> f0_path:Path.t -> args:(Path.t * Types.module_type) list -> arg_path:Path.t -> arg_mty:module_type -> param_mty:module_type -> t -> unit) let strengthen = (* to be filled with Mtype.strengthen *) ref ((fun ~aliasable:_ _env _mty _path -> assert false) : aliasable:bool -> t -> Subst.Lazy.modtype -> Path.t -> Subst.Lazy.modtype) let shorten_module_path = (* to be filled with Printtyp.shorten_module_path *) ref ((fun _ _ -> assert false) : t -> Path.t -> Path.t) let md md_type = {md_type; md_attributes=[]; md_loc=Location.none ;md_uid = Uid.internal_not_actually_unique} (* Print addresses *) let rec print_address ppf = function | Aident id -> Format.fprintf ppf "%s" (Ident.name id) | Adot(a, pos) -> Format.fprintf ppf "%a.[%i]" print_address a pos (* The name of the compilation unit currently compiled. "" if outside a compilation unit. *) module Current_unit : sig val get : unit -> Unit_info.t option val set : Unit_info.t -> unit val unset : unit -> unit module Name : sig val get : unit -> modname val is : modname -> bool val is_ident : Ident.t -> bool val is_path : Path.t -> bool end end = struct let current_unit : Unit_info.t option ref = ref None let get () = !current_unit let set cu = current_unit := Some cu let unset () = current_unit := None module Name = struct let get () = match !current_unit with | None -> "" | Some cu -> Unit_info.modname cu let is name = get () = name let is_ident id = Ident.persistent id && is (Ident.name id) let is_path = function | Pident id -> is_ident id | Pdot _ | Papply _ | Pextra_ty _ -> false end end let set_current_unit = Current_unit.set let get_current_unit = Current_unit.get let get_current_unit_name = Current_unit.Name.get let find_same_module id tbl = match IdTbl.find_same id tbl with | x -> x | exception Not_found when Ident.persistent id && not (Current_unit.Name.is_ident id) -> Mod_persistent let find_name_module ~mark name tbl = match IdTbl.find_name wrap_module ~mark name tbl with | x -> x | exception Not_found when not (Current_unit.Name.is name) -> let path = Pident(Ident.create_persistent name) in path, Mod_persistent (* Short paths basis *) let short_paths_module_components_desc' = ref (fun _ -> assert false) let short_paths_components name pm = let path = Pident (Ident.create_persistent name) in lazy (!short_paths_module_components_desc' empty path pm.mda_components) let add_persistent_structure id env = if not (Ident.persistent id) then invalid_arg "Env.add_persistent_structure"; if Current_unit.Name.is_ident id then env else begin let material = (* This addition only observably changes the environment if it shadows a non-persistent module already in the environment. (See PR#9345) *) match IdTbl.find_name wrap_module ~mark:false (Ident.name id) env.modules with | exception Not_found | _, Mod_persistent -> false | _ -> true in let summary = if material then Env_persistent (env.summary, id) else env.summary in let modules = (* With [-no-alias-deps], non-material additions should not affect the environment at all. We should only observe the existence of a cmi when accessing components of the module. (See #9991). *) if material || not !Clflags.transparent_modules then IdTbl.add id Mod_persistent env.modules else env.modules in { env with modules; summary } end let components_of_module ~alerts ~uid env ps path addr mty shape = { alerts; uid; comps = Lazy_backtrack.create { cm_env = env; cm_prefixing_subst = ps; cm_path = path; cm_addr = addr; cm_mty = mty; cm_shape = shape; } } let sign_of_cmi ~freshen { Persistent_env.Persistent_signature.cmi; _ } = let name = cmi.cmi_name in let sign = cmi.cmi_sign in let flags = cmi.cmi_flags in let id_subst = Subst.(make_loc_ghost identity) in let id = Ident.create_persistent name in let path = Pident id in let alerts = List.fold_left (fun acc -> function Alerts s -> s | _ -> acc) Misc.String.Map.empty flags in let md = { md_type = Mty_signature sign; md_loc = Location.none; md_attributes = []; md_uid = Uid.of_compilation_unit_id id; } in let mda_address = Lazy_backtrack.create_forced (Aident id) in let mda_declaration = Subst.(Lazy.module_decl Make_local id_subst (Lazy.of_module_decl md)) in let mda_shape = Shape.for_persistent_unit name in let mda_components = let mty = Subst.Lazy.of_modtype (Mty_signature sign) in let mty = if freshen then Subst.Lazy.modtype (Subst.Rescope (Path.scope path)) id_subst mty else mty in components_of_module ~alerts ~uid:md.md_uid empty Subst.identity path mda_address mty mda_shape in { mda_declaration; mda_components; mda_address; mda_shape; } let read_sign_of_cmi = sign_of_cmi ~freshen:true let save_sign_of_cmi = sign_of_cmi ~freshen:false let persistent_env : module_data Persistent_env.t ref = s_table Persistent_env.empty () let without_cmis f x = Persistent_env.without_cmis !persistent_env f x let imports () = Persistent_env.imports !persistent_env let import_crcs ~source crcs = Persistent_env.import_crcs !persistent_env ~source crcs let read_pers_mod cmi = Persistent_env.read !persistent_env read_sign_of_cmi short_paths_components cmi let find_pers_mod name = Persistent_env.find !persistent_env read_sign_of_cmi short_paths_components name let check_pers_mod ~loc name = Persistent_env.check !persistent_env read_sign_of_cmi short_paths_components ~loc name let crc_of_unit name = Persistent_env.crc_of_unit !persistent_env read_sign_of_cmi short_paths_components name let is_imported_opaque modname = Persistent_env.is_imported_opaque !persistent_env modname let register_import_as_opaque modname = Persistent_env.register_import_as_opaque !persistent_env modname let reset_declaration_caches () = Stamped_hashtable.clear value_declarations; Stamped_hashtable.clear type_declarations; Stamped_hashtable.clear module_declarations; Stamped_hashtable.clear used_constructors; Stamped_hashtable.clear used_labels; () let reset_cache () = Current_unit.unset (); Persistent_env.clear !persistent_env; reset_declaration_caches (); () let reset_cache_toplevel () = Persistent_env.clear_missing !persistent_env; reset_declaration_caches (); () (* get_components *) let get_components_res c = match Persistent_env.can_load_cmis !persistent_env with | Persistent_env.Can_load_cmis -> Lazy_backtrack.force !components_of_module_maker' c.comps | Persistent_env.Cannot_load_cmis log -> Lazy_backtrack.force_logged log !components_of_module_maker' c.comps let get_components c = match get_components_res c with | Error _ -> empty_structure | Ok c -> c (* Module type of functor application *) let modtype_of_functor_appl fcomp p1 p2 = match fcomp.fcomp_res with | Mty_alias _ as mty -> mty | mty -> try stamped_find fcomp.fcomp_subst_cache p2 with Not_found -> let scope = Path.scope (Papply(p1, p2)) in let mty = let subst = match fcomp.fcomp_arg with | Unit | Named (None, _) -> Subst.identity | Named (Some param, _) -> Subst.add_module param p2 Subst.identity in Subst.modtype (Rescope scope) subst mty in stamped_path_add fcomp.fcomp_subst_cache p2 mty; mty let check_functor_appl ~errors ~loc ~lid_whole_app ~f0_path ~args ~f_comp ~arg_path ~arg_mty ~param_mty env = if not (stamped_mem f_comp.fcomp_cache arg_path) then !check_functor_application ~errors ~loc ~lid_whole_app ~f0_path ~args ~arg_path ~arg_mty ~param_mty env (* Lookup by identifier *) let find_ident_module id env = match find_same_module id env.modules with | Mod_local data -> data | Mod_unbound _ -> raise Not_found | Mod_persistent -> find_pers_mod ~allow_hidden:true (Ident.name id) let rec find_module_components path env = match path with | Pident id -> (find_ident_module id env).mda_components | Pdot(p, s) -> let sc = find_structure_components p env in (NameMap.find s sc.comp_modules).mda_components | Papply(f_path, arg) -> let f_comp = find_functor_components f_path env in let loc = Location.(in_file !input_name) in !components_of_functor_appl' ~loc ~f_path ~f_comp ~arg env | Pextra_ty _ -> raise Not_found and find_structure_components path env = match get_components (find_module_components path env) with | Structure_comps c -> c | Functor_comps _ -> raise Not_found and find_functor_components path env = match get_components (find_module_components path env) with | Functor_comps f -> f | Structure_comps _ -> raise Not_found let find_module ~alias path env = match path with | Pident id -> let data = find_ident_module id env in Subst.Lazy.force_module_decl data.mda_declaration | Pdot(p, s) -> let sc = find_structure_components p env in let data = NameMap.find s sc.comp_modules in Subst.Lazy.force_module_decl data.mda_declaration | Papply(p1, p2) -> let fc = find_functor_components p1 env in if alias then md (fc.fcomp_res) else md (modtype_of_functor_appl fc p1 p2) | Pextra_ty _ -> raise Not_found let find_module_lazy ~alias path env = match path with | Pident id -> let data = find_ident_module id env in data.mda_declaration | Pdot(p, s) -> let sc = find_structure_components p env in let data = NameMap.find s sc.comp_modules in data.mda_declaration | Papply(p1, p2) -> let fc = find_functor_components p1 env in let md = if alias then md (fc.fcomp_res) else md (modtype_of_functor_appl fc p1 p2) in Subst.Lazy.of_module_decl md | Pextra_ty _ -> raise Not_found let find_strengthened_module ~aliasable path env = let md = find_module_lazy ~alias:true path env in let mty = !strengthen ~aliasable env md.mdl_type path in Subst.Lazy.force_modtype mty let find_value_full path env = match path with | Pident id -> begin match IdTbl.find_same id env.values with | Val_bound data -> data | Val_unbound _ -> raise Not_found end | Pdot(p, s) -> let sc = find_structure_components p env in NameMap.find s sc.comp_values | Papply _ | Pextra_ty _ -> raise Not_found let find_extension_full path env = match path with | Pident id -> TycompTbl.find_same id env.constrs | Pdot(p, s) -> begin let comps = find_structure_components p env in let cstrs = NameMap.find s comps.comp_constrs in let exts = List.filter is_ext cstrs in match exts with | [cda] -> cda | _ -> raise Not_found end | Papply _ | Pextra_ty _ -> raise Not_found let type_of_cstr path = function | {cstr_inlined = Some decl; _} -> let labels = List.map snd (Datarepr.labels_of_type path decl) in begin match decl.type_kind with | Type_record (_, repr) -> { tda_declaration = decl; tda_descriptions = Type_record (labels, repr); tda_shape = Shape.leaf decl.type_uid; } | _ -> assert false end | _ -> assert false let rec find_type_data path env = match Path.Map.find path env.local_constraints with | decl -> { tda_declaration = decl; tda_descriptions = Type_abstract (Btype.type_origin decl); tda_shape = Shape.leaf decl.type_uid; } | exception Not_found -> begin match path with | Pident id -> IdTbl.find_same id env.types | Pdot(p, s) -> let sc = find_structure_components p env in NameMap.find s sc.comp_types | Papply _ -> raise Not_found | Pextra_ty (p, extra) -> begin match extra with | Pcstr_ty s -> let cstr = find_cstr p s env in type_of_cstr path cstr | Pext_ty -> let cda = find_extension_full p env in type_of_cstr path cda.cda_description end end and find_cstr path name env = let tda = find_type_data path env in match tda.tda_descriptions with | Type_variant (cstrs, _) -> List.find (fun cstr -> cstr.cstr_name = name) cstrs | Type_record _ | Type_abstract _ | Type_open -> raise Not_found let find_modtype_lazy path env = match path with | Pident id -> (IdTbl.find_same id env.modtypes).mtda_declaration | Pdot(p, s) -> let sc = find_structure_components p env in (NameMap.find s sc.comp_modtypes).mtda_declaration | Papply _ | Pextra_ty _ -> raise Not_found let find_modtype path env = Subst.Lazy.force_modtype_decl (find_modtype_lazy path env) let find_class_full path env = match path with | Pident id -> IdTbl.find_same id env.classes | Pdot(p, s) -> let sc = find_structure_components p env in NameMap.find s sc.comp_classes | Papply _ | Pextra_ty _ -> raise Not_found let find_cltype path env = match path with | Pident id -> (IdTbl.find_same id env.cltypes).cltda_declaration | Pdot(p, s) -> let sc = find_structure_components p env in (NameMap.find s sc.comp_cltypes).cltda_declaration | Papply _ | Pextra_ty _ -> raise Not_found let find_value path env = (find_value_full path env).vda_description let find_class path env = (find_class_full path env).clda_declaration let find_ident_constructor id env = (TycompTbl.find_same id env.constrs).cda_description let find_ident_label id env = TycompTbl.find_same id env.labels let find_type p env = (find_type_data p env).tda_declaration let find_type_descrs p env = (find_type_data p env).tda_descriptions let rec find_module_address path env = match path with | Pident id -> get_address (find_ident_module id env).mda_address | Pdot(p, s) -> let c = find_structure_components p env in get_address (NameMap.find s c.comp_modules).mda_address | Papply _ | Pextra_ty _ -> raise Not_found and force_address = function | Projection { parent; pos } -> Adot(get_address parent, pos) | ModAlias { env; path } -> find_module_address path env and get_address a = Lazy_backtrack.force force_address a let find_value_address path env = get_address (find_value_full path env).vda_address let find_class_address path env = get_address (find_class_full path env).clda_address let rec get_constrs_address = function | [] -> raise Not_found | cda :: rest -> match cda.cda_address with | None -> get_constrs_address rest | Some a -> get_address a let find_constructor_address path env = match path with | Pident id -> begin let cda = TycompTbl.find_same id env.constrs in match cda.cda_address with | None -> raise Not_found | Some addr -> get_address addr end | Pdot(p, s) -> let c = find_structure_components p env in get_constrs_address (NameMap.find s c.comp_constrs) | Papply _ | Pextra_ty _ -> raise Not_found let find_hash_type path env = match path with | Pident id -> let name = Ident.name id in let _, cltda = IdTbl.find_name wrap_identity ~mark:false name env.cltypes in cltda.cltda_declaration.clty_hash_type | Pdot(p, name) -> let c = find_structure_components p env in let cltda = NameMap.find name c.comp_cltypes in cltda.cltda_declaration.clty_hash_type | Papply _ | Pextra_ty _ -> raise Not_found let find_shape env (ns : Shape.Sig_component_kind.t) id = match ns with | Type -> (IdTbl.find_same id env.types).tda_shape | Constructor -> Shape.leaf ((TycompTbl.find_same id env.constrs).cda_description.cstr_uid) | Label -> Shape.leaf ((TycompTbl.find_same id env.labels).lbl_uid) | Extension_constructor -> (TycompTbl.find_same id env.constrs).cda_shape | Value -> begin match IdTbl.find_same id env.values with | Val_bound x -> x.vda_shape | Val_unbound _ -> raise Not_found end | Module -> begin match IdTbl.find_same id env.modules with | Mod_local { mda_shape; _ } -> mda_shape | Mod_persistent -> Shape.for_persistent_unit (Ident.name id) | Mod_unbound _ -> (* Only present temporarily while approximating the environment for recursive modules. [find_shape] is only ever called after the environment gets properly populated. *) assert false | exception Not_found when Ident.persistent id && not (Current_unit.Name.is_ident id) -> Shape.for_persistent_unit (Ident.name id) end | Module_type -> (IdTbl.find_same id env.modtypes).mtda_shape | Class -> (IdTbl.find_same id env.classes).clda_shape | Class_type -> (IdTbl.find_same id env.cltypes).cltda_shape let shape_of_path ~namespace env = Shape.of_path ~namespace ~find_shape:(find_shape env) let shape_or_leaf uid = function | None -> Shape.leaf uid | Some shape -> shape let required_globals = s_ref [] let reset_required_globals () = required_globals := [] let get_required_globals () = !required_globals let add_required_global id = if Ident.global id && not !Clflags.transparent_modules && not (List.exists (Ident.same id) !required_globals) then required_globals := id :: !required_globals let rec normalize_module_path lax env = function | Pident id as path when lax && Ident.persistent id -> path (* fast path (avoids lookup) *) | Pdot (p, s) as path -> let p' = normalize_module_path lax env p in if p == p' then expand_module_path lax env path else expand_module_path lax env (Pdot(p', s)) | Papply (p1, p2) as path -> let p1' = normalize_module_path lax env p1 in let p2' = normalize_module_path true env p2 in if p1 == p1' && p2 == p2' then expand_module_path lax env path else expand_module_path lax env (Papply(p1', p2')) | Pident _ as path -> expand_module_path lax env path | Pextra_ty _ -> assert false and expand_module_path lax env path = try match find_module_lazy ~alias:true path env with {mdl_type=MtyL_alias path1} -> let path' = normalize_module_path lax env path1 in if lax || !Clflags.transparent_modules then path' else let id = Path.head path in if Ident.global id && not (Ident.same id (Path.head path')) then add_required_global id; path' | _ -> path with Not_found when lax || (match path with Pident id -> not (Ident.persistent id) | _ -> true) -> path let normalize_module_path oloc env path = try normalize_module_path (oloc = None) env path with Not_found -> match oloc with None -> assert false | Some loc -> error (Missing_module(loc, path, normalize_module_path true env path)) let rec normalize_path_prefix oloc env path = match path with | Pdot(p, s) -> let p2 = normalize_module_path oloc env p in if p == p2 then path else Pdot(p2, s) | Pident _ -> path | Pextra_ty (p, extra) -> let p2 = normalize_path_prefix oloc env p in if p == p2 then path else Pextra_ty (p2, extra) | Papply _ -> assert false let normalize_type_path = normalize_path_prefix let normalize_value_path = normalize_path_prefix let rec normalize_modtype_path env path = let path = normalize_path_prefix None env path in expand_modtype_path env path and expand_modtype_path env path = match (find_modtype_lazy path env).mtdl_type with | Some (MtyL_ident path) -> normalize_modtype_path env path | _ | exception Not_found -> path let find_module path env = find_module ~alias:false path env let find_module_lazy path env = find_module_lazy ~alias:false path env (* Find the manifest type associated to a type when appropriate: - the type should be public or should have a private row, - the type should have an associated manifest type. *) let find_type_expansion path env = let decl = find_type path env in match decl.type_manifest with | Some body when decl.type_private = Public || not (Btype.type_kind_is_abstract decl) || Btype.has_constr_row body -> (decl.type_params, body, decl.type_expansion_scope) (* The manifest type of Private abstract data types without private row are still considered unknown to the type system. Hence, this case is caught by the following clause that also handles purely abstract data types without manifest type definition. *) | _ -> raise Not_found (* Find the manifest type information associated to a type, i.e. the necessary information for the compiler's type-based optimisations. In particular, the manifest type associated to a private abstract type is revealed for the sake of compiler's type-based optimisations. *) let find_type_expansion_opt path env = let decl = find_type path env in match decl.type_manifest with (* The manifest type of Private abstract data types can still get an approximation using their manifest type. *) | Some body -> (decl.type_params, body, decl.type_expansion_scope) | _ -> raise Not_found let find_modtype_expansion_lazy path env = match (find_modtype_lazy path env).mtdl_type with | None -> raise Not_found | Some mty -> mty let find_modtype_expansion path env = Subst.Lazy.force_modtype (find_modtype_expansion_lazy path env) let rec is_functor_arg path env = match path with Pident id -> begin try Ident.find_same id env.functor_args; true with Not_found -> false end | Pdot (p, _) | Pextra_ty (p, _) -> is_functor_arg p env | Papply _ -> true (* Copying types associated with values *) let make_copy_of_types env0 = let memo = Hashtbl.create 16 in let copy t = try Hashtbl.find memo (get_id t) with Not_found -> let t2 = Subst.type_expr Subst.identity t in Hashtbl.add memo (get_id t) t2; t2 in let f = function | Val_unbound _ as entry -> entry | Val_bound vda -> let desc = vda.vda_description in let desc = { desc with val_type = copy desc.val_type } in Val_bound { vda with vda_description = desc } in let values = IdTbl.map f env0.values in (fun env -> (*if env.values != env0.values then fatal_error "Env.make_copy_of_types";*) {env with values; summary = Env_copy_types env.summary} ) (* Iter on an environment (ignoring the body of functors and not yet evaluated structures) *) type iter_cont = unit -> unit let iter_env_cont = ref [] let rec scrape_alias_for_visit env mty = let open Subst.Lazy in match mty with | MtyL_alias path -> begin match path with | Pident id when Ident.persistent id && not (Persistent_env.looked_up !persistent_env (Ident.name id)) -> false | path -> (* PR#6600: find_module may raise Not_found *) try scrape_alias_for_visit env (find_module_lazy path env).mdl_type with Not_found -> false end | _ -> true let iter_env wrap proj1 proj2 f env () = IdTbl.iter wrap (fun id x -> f (Pident id) x) (proj1 env); let rec iter_components path path' mcomps = let cont () = let visit = match Lazy_backtrack.get_arg mcomps.comps with | None -> true | Some { cm_mty; _ } -> scrape_alias_for_visit env cm_mty in if not visit then () else match get_components mcomps with Structure_comps comps -> NameMap.iter (fun s d -> f (Pdot (path, s)) (Pdot (path', s), d)) (proj2 comps); NameMap.iter (fun s mda -> iter_components (Pdot (path, s)) (Pdot (path', s)) mda.mda_components) comps.comp_modules | Functor_comps _ -> () in iter_env_cont := (path, cont) :: !iter_env_cont in IdTbl.iter wrap_module (fun id (path, entry) -> match entry with | Mod_unbound _ -> () | Mod_local data -> iter_components (Pident id) path data.mda_components | Mod_persistent -> let modname = Ident.name id in match Persistent_env.find_in_cache !persistent_env modname with | None -> () | Some data -> iter_components (Pident id) path data.mda_components) env.modules let run_iter_cont l = iter_env_cont := []; List.iter (fun c -> c ()) l; let cont = List.rev !iter_env_cont in iter_env_cont := []; cont let iter_types f = iter_env wrap_identity (fun env -> env.types) (fun sc -> sc.comp_types) (fun p1 (p2, tda) -> f p1 (p2, tda.tda_declaration)) let same_types env1 env2 = env1.types == env2.types && env1.modules == env2.modules let used_persistent () = Persistent_env.fold !persistent_env (fun s _m r -> String.Set.add s r) String.Set.empty let find_all_comps wrap proj s (p, mda) = match get_components mda.mda_components with Functor_comps _ -> [] | Structure_comps comps -> try let c = NameMap.find s (proj comps) in [Pdot(p,s), wrap c] with Not_found -> [] let rec find_shadowed_comps path env = match path with | Pident id -> List.filter_map (fun (p, data) -> match data with | Mod_local x -> Some (p, x) | Mod_unbound _ | Mod_persistent -> None) (IdTbl.find_all wrap_module (Ident.name id) env.modules) | Pdot (p, s) -> let l = find_shadowed_comps p env in let l' = List.map (find_all_comps wrap_identity (fun comps -> comps.comp_modules) s) l in List.flatten l' | Papply _ | Pextra_ty _ -> [] let find_shadowed wrap proj1 proj2 path env = match path with Pident id -> IdTbl.find_all wrap (Ident.name id) (proj1 env) | Pdot (p, s) -> let l = find_shadowed_comps p env in let l' = List.map (find_all_comps wrap proj2 s) l in List.flatten l' | Papply _ | Pextra_ty _ -> [] let find_shadowed_types path env = List.map fst (find_shadowed wrap_identity (fun env -> env.types) (fun comps -> comps.comp_types) path env) (* Expand manifest module type names at the top of the given module type *) let rec scrape_alias env ?path mty = let open Subst.Lazy in match mty, path with MtyL_ident p, _ -> begin try scrape_alias env (find_modtype_expansion_lazy p env) ?path with Not_found -> mty end | MtyL_alias path, _ -> begin try scrape_alias env ((find_module_lazy path env).mdl_type) ~path with Not_found -> (*Location.prerr_warning Location.none (Warnings.No_cmi_file (Path.name path));*) mty end | mty, Some path -> !strengthen ~aliasable:true env mty path | _ -> mty (* Given a signature and a root path, prefix all idents in the signature by the root path and build the corresponding substitution. *) let prefix_idents root prefixing_sub sg = let open Subst.Lazy in let rec prefix_idents root items_and_paths prefixing_sub = function | [] -> (List.rev items_and_paths, prefixing_sub) | SigL_value(id, _, _) as item :: rem -> let p = Pdot(root, Ident.name id) in prefix_idents root ((item, p) :: items_and_paths) prefixing_sub rem | SigL_type(id, td, rs, vis) :: rem -> let p = Pdot(root, Ident.name id) in prefix_idents root ((SigL_type(id, td, rs, vis), p) :: items_and_paths) (Subst.add_type id p prefixing_sub) rem | SigL_typext(id, ec, es, vis) :: rem -> let p = Pdot(root, Ident.name id) in (* we extend the substitution in case of an inlined record *) prefix_idents root ((SigL_typext(id, ec, es, vis), p) :: items_and_paths) (Subst.add_type id p prefixing_sub) rem | SigL_module(id, pres, md, rs, vis) :: rem -> let p = Pdot(root, Ident.name id) in prefix_idents root ((SigL_module(id, pres, md, rs, vis), p) :: items_and_paths) (Subst.add_module id p prefixing_sub) rem | SigL_modtype(id, mtd, vis) :: rem -> let p = Pdot(root, Ident.name id) in prefix_idents root ((SigL_modtype(id, mtd, vis), p) :: items_and_paths) (Subst.add_modtype id p prefixing_sub) rem | SigL_class(id, cd, rs, vis) :: rem -> (* pretend this is a type, cf. PR#6650 *) let p = Pdot(root, Ident.name id) in prefix_idents root ((SigL_class(id, cd, rs, vis), p) :: items_and_paths) (Subst.add_type id p prefixing_sub) rem | SigL_class_type(id, ctd, rs, vis) :: rem -> let p = Pdot(root, Ident.name id) in prefix_idents root ((SigL_class_type(id, ctd, rs, vis), p) :: items_and_paths) (Subst.add_type id p prefixing_sub) rem in let sg = Subst.Lazy.force_signature_once sg in prefix_idents root [] prefixing_sub sg (* Short path additions *) let short_paths_type ~long_path predef id decl old = if long_path || (not predef && !Clflags.real_paths) then old else Type(id, decl) :: old let short_paths_type_open path decls old = if !Clflags.real_paths then old else Type_open(path, decls) :: old let unbound_class = Path.Pident (Ident.create_local "*undef*") let is_dummy_class decl = Path.same decl.clty_path unbound_class let short_paths_class_type id decl old = if !Clflags.real_paths || is_dummy_class decl then old else Class_type(id, decl) :: old let short_paths_class_type_open path decls old = let decls = NameMap.map (fun cltda -> cltda.cltda_declaration) decls in if !Clflags.real_paths then old else Class_type_open(path, decls) :: old let short_paths_module_type id decl old = let decl = Subst.Lazy.force_modtype_decl decl in if !Clflags.real_paths then old else Module_type(id, decl) :: old let short_paths_module_type_open path decls old = let decls = NameMap.map (fun mtda -> Subst.Lazy.force_modtype_decl mtda.mtda_declaration) decls in if !Clflags.real_paths then old else Module_type_open(path, decls) :: old let short_paths_module id decl comps old = let decl = Subst.Lazy.force_module_decl decl in if !Clflags.real_paths then old else Module(id, decl, comps) :: old let short_paths_module_open path comps old = if !Clflags.real_paths then old else Module_open(path, comps) :: old (* Compute structure descriptions *) let add_to_tbl id decl tbl = let decls = try NameMap.find id tbl with Not_found -> [] in NameMap.add id (decl :: decls) tbl let value_declaration_address (_ : t) id decl = match decl.val_kind with | Val_prim _ -> Lazy_backtrack.create_failed Not_found | _ -> Lazy_backtrack.create_forced (Aident id) let extension_declaration_address (_ : t) id (_ : extension_constructor) = Lazy_backtrack.create_forced (Aident id) let class_declaration_address (_ : t) id (_ : class_declaration) = Lazy_backtrack.create_forced (Aident id) let module_declaration_address env id presence md = match presence with | Mp_absent -> begin let open Subst.Lazy in match md.mdl_type with | MtyL_alias path -> Lazy_backtrack.create (ModAlias {env; path}) | _ -> assert false end | Mp_present -> Lazy_backtrack.create_forced (Aident id) let rec components_of_module_maker {cm_env; cm_prefixing_subst; cm_path; cm_addr; cm_mty; cm_shape} : _ result = match scrape_alias cm_env cm_mty with MtyL_signature sg -> let c = { comp_values = NameMap.empty; comp_constrs = NameMap.empty; comp_labels = NameMap.empty; comp_types = NameMap.empty; comp_modules = NameMap.empty; comp_modtypes = NameMap.empty; comp_classes = NameMap.empty; comp_cltypes = NameMap.empty } in let items_and_paths, sub = prefix_idents cm_path cm_prefixing_subst sg in let env = ref cm_env in let pos = ref 0 in let next_address () = let addr : address_unforced = Projection { parent = cm_addr; pos = !pos } in incr pos; Lazy_backtrack.create addr in List.iter (fun ((item : Subst.Lazy.signature_item), path) -> match item with SigL_value(id, decl, _) -> let decl' = Subst.value_description sub decl in let addr = match decl.val_kind with | Val_prim _ -> Lazy_backtrack.create_failed Not_found | _ -> next_address () in let vda_shape = Shape.proj cm_shape (Shape.Item.value id) in let vda = { vda_description = decl'; vda_address = addr; vda_shape } in c.comp_values <- NameMap.add (Ident.name id) vda c.comp_values; | SigL_type(id, decl, _, _) -> let final_decl = Subst.type_declaration sub decl in Btype.set_static_row_name final_decl (Subst.type_path sub (Path.Pident id)); let descrs = match decl.type_kind with | Type_variant (_,repr) -> let cstrs = List.map snd (Datarepr.constructors_of_type path final_decl ~current_unit:(get_current_unit ())) in List.iter (fun descr -> let cda_shape = Shape.leaf descr.cstr_uid in let cda = { cda_description = descr; cda_address = None; cda_shape } in c.comp_constrs <- add_to_tbl descr.cstr_name cda c.comp_constrs ) cstrs; Type_variant (cstrs, repr) | Type_record (_, repr) -> let lbls = List.map snd (Datarepr.labels_of_type path final_decl) in List.iter (fun descr -> c.comp_labels <- add_to_tbl descr.lbl_name descr c.comp_labels) lbls; Type_record (lbls, repr) | Type_abstract r -> Type_abstract r | Type_open -> Type_open in let shape = Shape.proj cm_shape (Shape.Item.type_ id) in let tda = { tda_declaration = final_decl; tda_descriptions = descrs; tda_shape = shape; } in c.comp_types <- NameMap.add (Ident.name id) tda c.comp_types; env := store_type_infos ~tda_shape:shape id decl !env | SigL_typext(id, ext, _, _) -> let ext' = Subst.extension_constructor sub ext in let descr = Datarepr.extension_descr ~current_unit:(get_current_unit ()) path ext' in let addr = next_address () in let cda_shape = Shape.proj cm_shape (Shape.Item.extension_constructor id) in let cda = { cda_description = descr; cda_address = Some addr; cda_shape } in c.comp_constrs <- add_to_tbl (Ident.name id) cda c.comp_constrs | SigL_module(id, pres, md, _, _) -> let md' = (* The prefixed items get the same scope as [cm_path], which is the prefix. *) Subst.Lazy.module_decl (Subst.Rescope (Path.scope cm_path)) sub md in let addr = match pres with | Mp_absent -> begin match md.mdl_type with | MtyL_alias path -> Lazy_backtrack.create (ModAlias {env = !env; path}) | _ -> assert false end | Mp_present -> next_address () in let alerts = Builtin_attributes.alerts_of_attrs md.mdl_attributes in let shape = Shape.proj cm_shape (Shape.Item.module_ id) in let comps = components_of_module ~alerts ~uid:md.mdl_uid !env sub path addr md.mdl_type shape in let mda = { mda_declaration = md'; mda_components = comps; mda_address = addr; mda_shape = shape; } in c.comp_modules <- NameMap.add (Ident.name id) mda c.comp_modules; env := store_module ~update_summary:false ~check:None id addr pres md shape !env | SigL_modtype(id, decl, _) -> let final_decl = (* The prefixed items get the same scope as [cm_path], which is the prefix. *) Subst.Lazy.modtype_decl (Rescope (Path.scope cm_path)) sub decl in let shape = Shape.proj cm_shape (Shape.Item.module_type id) in let mtda = { mtda_declaration = final_decl; mtda_shape = shape; } in c.comp_modtypes <- NameMap.add (Ident.name id) mtda c.comp_modtypes; env := store_modtype ~update_summary:false id decl shape !env | SigL_class(id, decl, _, _) -> let decl' = Subst.class_declaration sub decl in let addr = next_address () in let shape = Shape.proj cm_shape (Shape.Item.class_ id) in let clda = { clda_declaration = decl'; clda_address = addr; clda_shape = shape; } in c.comp_classes <- NameMap.add (Ident.name id) clda c.comp_classes | SigL_class_type(id, decl, _, _) -> let decl' = Subst.cltype_declaration sub decl in let shape = Shape.proj cm_shape (Shape.Item.class_type id) in let cltda = { cltda_declaration = decl'; cltda_shape = shape } in c.comp_cltypes <- NameMap.add (Ident.name id) cltda c.comp_cltypes) items_and_paths; Ok (Structure_comps c) | MtyL_functor(arg, ty_res) -> let sub = cm_prefixing_subst in let scoping = Subst.Rescope (Path.scope cm_path) in let open Subst.Lazy in Ok (Functor_comps { (* fcomp_arg and fcomp_res must be prefixed eagerly, because they are interpreted in the outer environment *) fcomp_arg = (match arg with | Unit -> Unit | Named (param, ty_arg) -> Named (param, force_modtype (modtype scoping sub ty_arg))); fcomp_res = force_modtype (modtype scoping sub ty_res); fcomp_shape = cm_shape; fcomp_cache = stamped_create 17; fcomp_subst_cache = stamped_create 17 }) | MtyL_ident _ -> Error No_components_abstract | MtyL_alias p -> Error (No_components_alias p) | MtyL_for_hole -> Error No_components_abstract (* Insertion of bindings by identifier + path *) and check_usage loc id uid warn tbl = if not loc.Location.loc_ghost && Uid.for_actual_declaration uid && Warnings.is_active (warn "") then begin let name = Ident.name id in if stamped_mem tbl uid then () else let used = ref false in stamped_uid_add tbl uid (fun () -> used := true); if not (name = "" || name.[0] = '_' || name.[0] = '#') then !add_delayed_check_forward (fun () -> if not !used then Location.prerr_warning loc (warn name)) end; and check_value_name name loc = (* Note: we could also check here general validity of the identifier, to protect against bad identifiers forged by -pp or -ppx preprocessors. *) if String.length name > 0 && not (Utf8_lexeme.starts_like_a_valid_identifier name) then for i = 1 to String.length name - 1 do if name.[i] = '#' then error (Illegal_value_name(loc, name)) done and store_value ?check id addr decl shape env = check_value_name (Ident.name id) decl.val_loc; Builtin_attributes.mark_alerts_used decl.val_attributes; Option.iter (fun f -> check_usage decl.val_loc id decl.val_uid f value_declarations) check; let vda = { vda_description = decl; vda_address = addr; vda_shape = shape } in { env with values = IdTbl.add id (Val_bound vda) env.values; summary = Env_value(env.summary, id, decl) } and store_constructor ~check type_decl type_id cstr_id cstr env = Builtin_attributes.warning_scope cstr.cstr_attributes (fun () -> if check && not type_decl.type_loc.Location.loc_ghost && Warnings.is_active (Warnings.Unused_constructor ("", Unused)) then begin let ty_name = Ident.name type_id in let name = cstr.cstr_name in let loc = cstr.cstr_loc in let k = cstr.cstr_uid in let priv = type_decl.type_private in if not (stamped_mem used_constructors k) then begin let used = constructor_usages () in stamped_uid_add used_constructors k (add_constructor_usage used); if not (ty_name = "" || ty_name.[0] = '_') then !add_delayed_check_forward (fun () -> Option.iter (fun complaint -> if not (is_in_signature env) then Location.prerr_warning loc (Warnings.Unused_constructor(name, complaint))) (constructor_usage_complaint ~rebind:false priv used)); end; end); Builtin_attributes.mark_alerts_used cstr.cstr_attributes; Builtin_attributes.mark_warn_on_literal_pattern_used cstr.cstr_attributes; let cda_shape = Shape.leaf cstr.cstr_uid in { env with constrs = TycompTbl.add cstr_id { cda_description = cstr; cda_address = None; cda_shape } env.constrs; } and store_label ~check type_decl type_id lbl_id lbl env = Builtin_attributes.warning_scope lbl.lbl_attributes (fun () -> if check && not type_decl.type_loc.Location.loc_ghost && Warnings.is_active (Warnings.Unused_field ("", Unused)) then begin let ty_name = Ident.name type_id in let priv = type_decl.type_private in let name = lbl.lbl_name in let loc = lbl.lbl_loc in let mut = lbl.lbl_mut in let k = lbl.lbl_uid in if not (stamped_mem used_labels k) then let used = label_usages () in stamped_uid_add used_labels k (add_label_usage used); if not (ty_name = "" || ty_name.[0] = '_' || name.[0] = '_') then !add_delayed_check_forward (fun () -> Option.iter (fun complaint -> if not (is_in_signature env) then Location.prerr_warning loc (Warnings.Unused_field(name, complaint))) (label_usage_complaint priv mut used)) end); Builtin_attributes.mark_alerts_used lbl.lbl_attributes; if lbl.lbl_mut = Mutable then Builtin_attributes.mark_deprecated_mutable_used lbl.lbl_attributes; { env with labels = TycompTbl.add lbl_id lbl env.labels; } and store_type ~check ~long_path ~predef id info shape env = let loc = info.type_loc in if check then check_usage loc id info.type_uid (fun s -> Warnings.Unused_type_declaration s) type_declarations; let descrs, env = let path = Pident id in match info.type_kind with | Type_variant (_,repr) -> let constructors = Datarepr.constructors_of_type path info ~current_unit:(get_current_unit ()) in Type_variant (List.map snd constructors, repr), List.fold_left (fun env (cstr_id, cstr) -> store_constructor ~check info id cstr_id cstr env) env constructors | Type_record (_, repr) -> let labels = Datarepr.labels_of_type path info in Type_record (List.map snd labels, repr), List.fold_left (fun env (lbl_id, lbl) -> store_label ~check info id lbl_id lbl env) env labels | Type_abstract r -> Type_abstract r, env | Type_open -> Type_open, env in let tda = { tda_declaration = info; tda_descriptions = descrs; tda_shape = shape } in Builtin_attributes.mark_alerts_used info.type_attributes; { env with types = IdTbl.add id tda env.types; summary = Env_type(env.summary, id, info); short_paths_additions = short_paths_type ~long_path predef id info env.short_paths_additions; } and store_type_infos ~tda_shape id info env = (* Simplified version of store_type that doesn't compute and store constructor and label infos, but simply record the arity and manifest-ness of the type. Used in components_of_module to keep track of type abbreviations (e.g. type t = float) in the computation of label representations. *) let tda = { tda_declaration = info; tda_descriptions = Type_abstract (Btype.type_origin info); tda_shape } in { env with types = IdTbl.add id tda env.types; summary = Env_type(env.summary, id, info); short_paths_additions = short_paths_type ~long_path:false false id info env.short_paths_additions; } and store_extension ~check ~rebind id addr ext shape env = let loc = ext.ext_loc in let cstr = Datarepr.extension_descr ~current_unit:(get_current_unit ()) (Pident id) ext in let cda = { cda_description = cstr; cda_address = Some addr; cda_shape = shape } in Builtin_attributes.mark_alerts_used ext.ext_attributes; Builtin_attributes.mark_warn_on_literal_pattern_used ext.ext_attributes; Builtin_attributes.warning_scope ext.ext_attributes (fun () -> if check && not loc.Location.loc_ghost && Warnings.is_active (Warnings.Unused_extension ("", false, Unused)) then begin let priv = ext.ext_private in let is_exception = Path.same ext.ext_type_path Predef.path_exn in let name = cstr.cstr_name in let k = cstr.cstr_uid in if not (stamped_mem used_constructors k) then begin let used = constructor_usages () in stamped_uid_add used_constructors k (add_constructor_usage used); !add_delayed_check_forward (fun () -> Option.iter (fun complaint -> if not (is_in_signature env) then Location.prerr_warning loc (Warnings.Unused_extension (name, is_exception, complaint))) (constructor_usage_complaint ~rebind priv used)) end; end); { env with constrs = TycompTbl.add id cda env.constrs; summary = Env_extension(env.summary, id, ext) } and store_module ?(update_summary=true) ~check id addr presence md shape env = let open Subst.Lazy in let loc = md.mdl_loc in Option.iter (fun f -> check_usage loc id md.mdl_uid f module_declarations) check; Builtin_attributes.mark_alerts_used md.mdl_attributes; let alerts = Builtin_attributes.alerts_of_attrs md.mdl_attributes in let comps = components_of_module ~alerts ~uid:md.mdl_uid env Subst.identity (Pident id) addr md.mdl_type shape in let mda = { mda_declaration = md; mda_components = comps; mda_address = addr; mda_shape = shape } in let summary = if not update_summary then env.summary else Env_module (env.summary, id, presence, force_module_decl md) in { env with modules = IdTbl.add id (Mod_local mda) env.modules; summary; short_paths_additions = short_paths_module id md comps env.short_paths_additions; } and store_modtype ?(update_summary=true) id info shape env = Builtin_attributes.mark_alerts_used info.Subst.Lazy.mtdl_attributes; let mtda = { mtda_declaration = info; mtda_shape = shape } in let summary = if not update_summary then env.summary else Env_modtype (env.summary, id, Subst.Lazy.force_modtype_decl info) in { env with modtypes = IdTbl.add id mtda env.modtypes; summary; short_paths_additions = short_paths_module_type id info env.short_paths_additions; } and store_class id addr desc shape env = Builtin_attributes.mark_alerts_used desc.cty_attributes; let clda = { clda_declaration = desc; clda_address = addr; clda_shape = shape; } in { env with classes = IdTbl.add id clda env.classes; summary = Env_class(env.summary, id, desc) } and store_cltype id desc shape env = Builtin_attributes.mark_alerts_used desc.clty_attributes; let cltda = { cltda_declaration = desc; cltda_shape = shape } in { env with cltypes = IdTbl.add id cltda env.cltypes; summary = Env_cltype(env.summary, id, desc); short_paths_additions = short_paths_class_type id desc env.short_paths_additions; } let scrape_alias env mty = scrape_alias env mty (* Compute the components of a functor application in a path. *) let components_of_functor_appl ~loc ~f_path ~f_comp ~arg env = try let c = stamped_find f_comp.fcomp_cache arg in c with Not_found -> let p = Papply(f_path, arg) in let sub = match f_comp.fcomp_arg with | Unit | Named (None, _) -> Subst.identity | Named (Some param, _) -> Subst.add_module param arg Subst.identity in (* we have to apply eagerly instead of passing sub to [components_of_module] because of the call to [check_well_formed_module]. *) let mty = Subst.modtype (Rescope (Path.scope p)) sub f_comp.fcomp_res in let addr = Lazy_backtrack.create_failed Not_found in !check_well_formed_module env loc ("the signature of " ^ Path.name p) mty; let shape_arg = shape_of_path ~namespace:Shape.Sig_component_kind.Module env arg in let shape = Shape.app f_comp.fcomp_shape ~arg:shape_arg in let comps = components_of_module ~alerts:Misc.String.Map.empty ~uid:Uid.internal_not_actually_unique (*???*) env Subst.identity p addr (Subst.Lazy.of_modtype mty) shape in stamped_path_add f_comp.fcomp_cache arg comps; comps (* Define forward functions *) let _ = components_of_functor_appl' := components_of_functor_appl; components_of_module_maker' := components_of_module_maker (* Insertion of bindings by identifier *) let add_functor_arg id env = {env with functor_args = Ident.add id () env.functor_args; summary = Env_functor_arg (env.summary, id)} let add_value ?check ?shape id desc env = let addr = value_declaration_address env id desc in let shape = shape_or_leaf desc.val_uid shape in store_value ?check id addr desc shape env let add_type ~check ?shape id info env = let shape = shape_or_leaf info.type_uid shape in store_type ~check id info shape env and add_extension ~check ?shape ~rebind id ext env = let addr = extension_declaration_address env id ext in let shape = shape_or_leaf ext.ext_uid shape in store_extension ~check ~rebind id addr ext shape env and add_module_declaration ?(arg=false) ?shape ~check id presence md env = let check = if not check then None else if arg && is_in_signature env then Some (fun s -> Warnings.Unused_functor_parameter s) else Some (fun s -> Warnings.Unused_module s) in let md = Subst.Lazy.of_module_decl md in let addr = module_declaration_address env id presence md in let shape = shape_or_leaf md.mdl_uid shape in let env = store_module ~check id addr presence md shape env in if arg then add_functor_arg id env else env and add_module_declaration_lazy ~update_summary id presence md env = let addr = module_declaration_address env id presence md in let shape = Shape.leaf md.Subst.Lazy.mdl_uid in let env = store_module ~update_summary ~check:None id addr presence md shape env in env and add_modtype ?shape id info env = let shape = shape_or_leaf info.mtd_uid shape in store_modtype id (Subst.Lazy.of_modtype_decl info) shape env and add_modtype_lazy ~update_summary id info env = let shape = Shape.leaf info.Subst.Lazy.mtdl_uid in store_modtype ~update_summary id info shape env and add_class ?shape id ty env = let addr = class_declaration_address env id ty in let shape = shape_or_leaf ty.cty_uid shape in store_class id addr ty shape env and add_cltype ?shape id ty env = let shape = shape_or_leaf ty.clty_uid shape in store_cltype id ty shape env let add_module ?arg ?shape id presence mty env = add_module_declaration ~check:false ?arg ?shape id presence (md mty) env let add_module_lazy ~update_summary id presence mty env = let md = Subst.Lazy.{mdl_type = mty; mdl_attributes = []; mdl_loc = Location.none; mdl_uid = Uid.internal_not_actually_unique} in add_module_declaration_lazy ~update_summary id presence md env let add_local_constraint path info env = { env with local_constraints = Path.Map.add path info env.local_constraints } (* Non-lazy version of scrape_alias *) let scrape_alias t mty = mty |> Subst.Lazy.of_modtype |> scrape_alias t |> Subst.Lazy.force_modtype (* Insertion of bindings by name *) let enter_value ?check name desc env = let id = Ident.create_local name in let addr = value_declaration_address env id desc in let env = store_value ?check id addr desc (Shape.leaf desc.val_uid) env in (id, env) let enter_type ?(long_path = false) ~scope name info env = let id = Ident.create_scoped ~scope name in let env = store_type ~check:true ~predef:false ~long_path id info (Shape.leaf info.type_uid) env in (id, env) let enter_extension ~scope ~rebind name ext env = let id = Ident.create_scoped ~scope name in let addr = extension_declaration_address env id ext in let shape = Shape.leaf ext.ext_uid in let env = store_extension ~check:true ~rebind id addr ext shape env in (id, env) let enter_module_declaration ~scope ?arg ?shape s presence md env = let id = Ident.create_scoped ~scope s in (id, add_module_declaration ?arg ?shape ~check:true id presence md env) let enter_modtype ~scope name mtd env = let id = Ident.create_scoped ~scope name in let shape = Shape.leaf mtd.mtd_uid in let env = store_modtype id (Subst.Lazy.of_modtype_decl mtd) shape env in (id, env) let enter_class ~scope name desc env = let id = Ident.create_scoped ~scope name in let addr = class_declaration_address env id desc in let env = store_class id addr desc (Shape.leaf desc.cty_uid) env in (id, env) let enter_cltype ~scope name desc env = let id = Ident.create_scoped ~scope name in let env = store_cltype id desc (Shape.leaf desc.clty_uid) env in (id, env) let enter_module ~scope ?arg s presence mty env = enter_module_declaration ~scope ?arg s presence (md mty) env (* Insertion of all components of a signature *) let add_item (map, mod_shape) comp env = let proj_shape item = match mod_shape with | None -> map, None | Some mod_shape -> let shape = Shape.proj mod_shape item in Shape.Map.add map item shape, Some shape in match comp with | Sig_value(id, decl, _) -> let map, shape = proj_shape (Shape.Item.value id) in map, add_value ?shape id decl env | Sig_type(id, decl, _, _) -> let map, shape = proj_shape (Shape.Item.type_ id) in map, add_type ~long_path:false ~check:false ~predef:false ?shape id decl env | Sig_typext(id, ext, _, _) -> let map, shape = proj_shape (Shape.Item.extension_constructor id) in map, add_extension ~check:false ?shape ~rebind:false id ext env | Sig_module(id, presence, md, _, _) -> let map, shape = proj_shape (Shape.Item.module_ id) in map, add_module_declaration ~check:false ?shape id presence md env | Sig_modtype(id, decl, _) -> let map, shape = proj_shape (Shape.Item.module_type id) in map, add_modtype ?shape id decl env | Sig_class(id, decl, _, _) -> let map, shape = proj_shape (Shape.Item.class_ id) in map, add_class ?shape id decl env | Sig_class_type(id, decl, _, _) -> let map, shape = proj_shape (Shape.Item.class_type id) in map, add_cltype ?shape id decl env let rec add_signature (map, mod_shape) sg env = match sg with [] -> map, env | comp :: rem -> let map, env = add_item (map, mod_shape) comp env in add_signature (map, mod_shape) rem env let enter_signature_and_shape ~scope ~parent_shape mod_shape sg env = let sg = Subst.signature (Rescope scope) Subst.identity sg in let shape, env = add_signature (parent_shape, mod_shape) sg env in sg, shape, env let enter_signature ?mod_shape ~scope sg env = let sg, _, env = enter_signature_and_shape ~scope ~parent_shape:Shape.Map.empty mod_shape sg env in sg, env let enter_signature_and_shape ~scope ~parent_shape mod_shape sg env = enter_signature_and_shape ~scope ~parent_shape (Some mod_shape) sg env let add_value = add_value ?shape:None let add_class = add_class ?shape:None let add_cltype = add_cltype ?shape:None let add_modtype = add_modtype ?shape:None let add_signature sg env = let _, env = add_signature (Shape.Map.empty, None) sg env in env (* Add "unbound" bindings *) let enter_unbound_value name reason env = let id = Ident.create_local name in { env with values = IdTbl.add id (Val_unbound reason) env.values; summary = Env_value_unbound(env.summary, name, reason) } let enter_unbound_module name reason env = let id = Ident.create_local name in { env with modules = IdTbl.add id (Mod_unbound reason) env.modules; summary = Env_module_unbound(env.summary, name, reason) } (* Open a signature path *) let add_components slot root env0 comps = let add_l w comps env0 = TycompTbl.add_open slot w root comps env0 in let add w comps env0 = IdTbl.add_open slot w root comps env0 in let add_types w comps env0 additions = let types = add w comps env0 in let additions = short_paths_type_open root comps additions in types, additions in let add_cltypes w comps env0 additions = let cltypes = add w comps env0 in let additions = short_paths_class_type_open root comps additions in cltypes, additions in let add_modtypes w comps env0 additions = let modtypes = add w comps env0 in let additions = short_paths_module_type_open root comps additions in modtypes, additions in let add_modules w comps env0 additions = let modules = add w comps env0 in let additions = short_paths_module_open root comps additions in modules, additions in let constrs = add_l (fun x -> `Constructor x) comps.comp_constrs env0.constrs in let labels = add_l (fun x -> `Label x) comps.comp_labels env0.labels in let values = add (fun x -> `Value x) comps.comp_values env0.values in let types, additions = add_types (fun x -> `Type x) comps.comp_types env0.types env0.short_paths_additions in let modtypes, additions = add_modtypes (fun x -> `Module_type x) comps.comp_modtypes env0.modtypes additions in let classes = add (fun x -> `Class x) comps.comp_classes env0.classes in let cltypes, additions = add_cltypes (fun x -> `Class_type x) comps.comp_cltypes env0.cltypes additions in let modules, additions = add_modules (fun x -> `Module x) comps.comp_modules env0.modules additions in { env0 with summary = Env_open(env0.summary, root); constrs; labels; values; types; modtypes; classes; cltypes; modules; short_paths_additions = additions } let open_signature slot root env0 : (_,_) result = match get_components_res (find_module_components root env0) with | Error _ -> Error `Not_found | exception Not_found -> Error `Not_found | Ok (Functor_comps _) -> Error `Functor | Ok (Structure_comps comps) -> Ok (add_components slot root env0 comps) let remove_last_open root env0 = let rec filter_summary summary = match summary with Env_empty -> raise Exit | Env_open (s, p) -> if Path.same p root then s else raise Exit | Env_value _ | Env_type _ | Env_extension _ | Env_module _ | Env_modtype _ | Env_class _ | Env_cltype _ | Env_functor_arg _ | Env_constraints _ | Env_persistent _ | Env_copy_types _ | Env_value_unbound _ | Env_module_unbound _ -> map_summary filter_summary summary in match filter_summary env0.summary with | summary -> let rem_l tbl = TycompTbl.remove_last_open root tbl and rem tbl = IdTbl.remove_last_open root tbl in Some { env0 with summary; constrs = rem_l env0.constrs; labels = rem_l env0.labels; values = rem env0.values; types = rem env0.types; modtypes = rem env0.modtypes; classes = rem env0.classes; cltypes = rem env0.cltypes; modules = rem env0.modules; } | exception Exit -> None (* Open a signature from a file *) let open_pers_signature name env = match open_signature None (Pident(Ident.create_persistent name)) env with | (Ok _ | Error `Not_found as res) -> res | Error `Functor -> assert false (* a compilation unit cannot refer to a functor *) let open_signature ?(used_slot = ref false) ?(loc = Location.none) ?(toplevel = false) ovf root env = let unused root = match ovf with | Asttypes.Fresh -> Warnings.Unused_open (Path.name root) | Asttypes.Override -> Warnings.Unused_open_bang (Path.name root) in let warn_unused = Warnings.is_active (unused root) and warn_shadow_id = Warnings.is_active (Warnings.Open_shadow_identifier ("", "")) and warn_shadow_lc = Warnings.is_active (Warnings.Open_shadow_label_constructor ("","")) in if not toplevel && not loc.Location.loc_ghost && (warn_unused || warn_shadow_id || warn_shadow_lc) then begin let used = used_slot in if warn_unused then !add_delayed_check_forward (fun () -> if not !used then begin used := true; Location.prerr_warning loc (unused (!shorten_module_path env root)) end ); let shadowed = ref [] in let slot s b = begin match check_shadowing env b with | Some kind when ovf = Asttypes.Fresh && not (List.mem (kind, s) !shadowed) -> shadowed := (kind, s) :: !shadowed; let w = match kind with | "label" | "constructor" -> Warnings.Open_shadow_label_constructor (kind, s) | _ -> Warnings.Open_shadow_identifier (kind, s) in Location.prerr_warning loc w | _ -> () end; used := true in open_signature (Some slot) root env end else open_signature None root env (* Read a signature from a file *) let read_signature u = let mda = read_pers_mod u in let md = Subst.Lazy.force_module_decl mda.mda_declaration in match md.md_type with | Mty_signature sg -> sg | Mty_ident _ | Mty_functor _ | Mty_alias _ | Mty_for_hole -> assert false let unit_name_of_filename fn = match Filename.extension fn with | ".cmi" -> let modname = Unit_info.strict_modname_from_source fn in if Unit_info.is_unit_name modname then Some modname else None | _ -> None let persistent_structures_of_dir dir = Load_path.Dir.files dir |> List.to_seq |> Seq.filter_map unit_name_of_filename |> String.Set.of_seq (* Save a signature to a file *) let save_signature_with_transform cmi_transform ~alerts sg cmi_info = Btype.cleanup_abbrev (); Subst.reset_for_saving (); let sg = Subst.signature Make_local (Subst.for_saving Subst.identity) sg in let cmi = Persistent_env.make_cmi !persistent_env (Unit_info.Artifact.modname cmi_info) sg alerts |> cmi_transform in let filename = Unit_info.Artifact.filename cmi_info in let pers_sig = Persistent_env.Persistent_signature.{ cmi; filename; visibility = Visible } in let pm = save_sign_of_cmi pers_sig in Persistent_env.save_cmi !persistent_env pers_sig pm; cmi let save_signature ~alerts sg cmi = save_signature_with_transform (fun cmi -> cmi) ~alerts sg cmi let save_signature_with_imports ~alerts sg cmi imports = let with_imports cmi = { cmi with cmi_crcs = imports } in save_signature_with_transform with_imports ~alerts sg cmi (* Make the initial environment *) let initial = Predef.build_initial_env (add_type ~check:false ~predef:true ~long_path:false) (add_extension ~check:false ~rebind:false) empty let add_type_long_path ~check ?shape id info env = add_type ~check ?shape ~predef:false ~long_path:true id info env let add_type ~check ?shape id info env = add_type ~check ?shape ~predef:false ~long_path:false id info env (* Tracking usage *) let mark_module_used uid = match Stamped_hashtable.find module_declarations uid with | mark -> mark () | exception Not_found -> () let mark_modtype_used _uid = () let mark_value_used uid = match Stamped_hashtable.find value_declarations uid with | mark -> mark () | exception Not_found -> () let mark_type_used uid = match Stamped_hashtable.find type_declarations uid with | mark -> mark () | exception Not_found -> () let mark_type_path_used env path = match find_type path env with | decl -> mark_type_used decl.type_uid | exception Not_found -> () let mark_constructor_used usage cd = match stamped_find used_constructors cd.cd_uid with | mark -> mark usage | exception Not_found -> () let mark_extension_used usage ext = match stamped_find used_constructors ext.ext_uid with | mark -> mark usage | exception Not_found -> () let mark_label_used usage ld = match stamped_find used_labels ld.ld_uid with | mark -> mark usage | exception Not_found -> () let mark_constructor_description_used usage env cstr = let ty_path = Btype.cstr_type_path cstr in mark_type_path_used env ty_path; match stamped_find used_constructors cstr.cstr_uid with | mark -> mark usage | exception Not_found -> () let mark_label_description_used usage env lbl = let ty_path = match get_desc lbl.lbl_res with | Tconstr(path, _, _) -> path | _ -> assert false in mark_type_path_used env ty_path; match stamped_find used_labels lbl.lbl_uid with | mark -> mark usage | exception Not_found -> () let mark_class_used uid = match stamped_find type_declarations uid with | mark -> mark () | exception Not_found -> () let mark_cltype_used uid = match stamped_find type_declarations uid with | mark -> mark () | exception Not_found -> () let set_value_used_callback vd callback = stamped_uid_add value_declarations vd.val_uid callback let set_type_used_callback td callback = if Uid.for_actual_declaration td.type_uid then let old = try stamped_find type_declarations td.type_uid with Not_found -> ignore in Stamped_hashtable.replace type_declarations td.type_uid (fun () -> callback old) (* Lookup by name *) let may_lookup_error report_errors loc env err = if report_errors then lookup_error loc env err else raise Not_found let report_module_unbound ~errors ~loc env reason = match reason with | Mod_unbound_illegal_recursion -> (* see #5965 *) may_lookup_error errors loc env Illegal_reference_to_recursive_module let report_value_unbound ~errors ~loc env reason lid = match reason with | Val_unbound_instance_variable -> may_lookup_error errors loc env (Masked_instance_variable lid) | Val_unbound_self -> may_lookup_error errors loc env (Masked_self_variable lid) | Val_unbound_ancestor -> may_lookup_error errors loc env (Masked_ancestor_variable lid) | Val_unbound_ghost_recursive rloc -> let show_hint = (* Only display the "missing rec" hint for non-ghost code *) not loc.Location.loc_ghost && not rloc.Location.loc_ghost in let hint = if show_hint then Missing_rec rloc else No_hint in may_lookup_error errors loc env (Unbound_value(lid, hint)) let use_module ~use ~loc path mda = if use then begin let comps = mda.mda_components in mark_module_used comps.uid; Misc.String.Map.iter (fun kind message -> let message = if message = "" then "" else "\n" ^ message in Location.alert ~kind loc (Printf.sprintf "module %s%s" (Path.name path) message) ) comps.alerts end let use_value ~use ~loc path vda = if use then begin let desc = vda.vda_description in mark_value_used desc.val_uid; Builtin_attributes.check_alerts loc desc.val_attributes (Path.name path) end let use_type ~use ~loc path tda = if use then begin let decl = tda.tda_declaration in mark_type_used decl.type_uid; Builtin_attributes.check_alerts loc decl.type_attributes (Path.name path) end let use_modtype ~use ~loc path desc = let open Subst.Lazy in if use then begin mark_modtype_used desc.mtdl_uid; Builtin_attributes.check_alerts loc desc.mtdl_attributes (Path.name path) end let use_class ~use ~loc path clda = if use then begin let desc = clda.clda_declaration in mark_class_used desc.cty_uid; Builtin_attributes.check_alerts loc desc.cty_attributes (Path.name path) end let use_cltype ~use ~loc path desc = if use then begin mark_cltype_used desc.clty_uid; Builtin_attributes.check_alerts loc desc.clty_attributes (Path.name path) end let use_label ~use ~loc usage env lbl = if use then begin mark_label_description_used usage env lbl; Builtin_attributes.check_alerts loc lbl.lbl_attributes lbl.lbl_name; if is_mutating_label_usage usage then Builtin_attributes.check_deprecated_mutable loc lbl.lbl_attributes lbl.lbl_name end let use_constructor_desc ~use ~loc usage env cstr = if use then begin mark_constructor_description_used usage env cstr; Builtin_attributes.check_alerts loc cstr.cstr_attributes cstr.cstr_name end let use_constructor ~use ~loc usage env cda = use_constructor_desc ~use ~loc usage env cda.cda_description type _ load = | Load : module_data load | Don't_load : unit load let lookup_ident_module (type a) (load : a load) ~errors ~use ~loc s env = let path, data = match find_name_module ~mark:use s env.modules with | res -> res | exception Not_found -> may_lookup_error errors loc env (Unbound_module (Lident s)) in match data with | Mod_local mda -> begin use_module ~use ~loc path mda; match load with | Load -> path, (mda : a) | Don't_load -> path, (() : a) end | Mod_unbound reason -> report_module_unbound ~errors ~loc env reason | Mod_persistent -> begin match load with | Don't_load -> check_pers_mod ~allow_hidden:false ~loc s; path, (() : a) | Load -> begin match find_pers_mod ~allow_hidden:false s with | mda -> use_module ~use ~loc path mda; path, (mda : a) | exception Not_found -> may_lookup_error errors loc env (Unbound_module (Lident s)) end end let lookup_ident_value ~errors ~use ~loc name env = match IdTbl.find_name wrap_value ~mark:use name env.values with | (path, Val_bound vda) -> use_value ~use ~loc path vda; path, vda.vda_description | (_, Val_unbound reason) -> report_value_unbound ~errors ~loc env reason (Lident name) | exception Not_found -> may_lookup_error errors loc env (Unbound_value (Lident name, No_hint)) let lookup_ident_type ~errors ~use ~loc s env = match IdTbl.find_name wrap_identity ~mark:use s env.types with | (path, data) as res -> use_type ~use ~loc path data; res | exception Not_found -> may_lookup_error errors loc env (Unbound_type (Lident s)) let lookup_ident_modtype ~errors ~use ~loc s env = match IdTbl.find_name wrap_identity ~mark:use s env.modtypes with | (path, data) -> use_modtype ~use ~loc path data.mtda_declaration; (path, data.mtda_declaration) | exception Not_found -> may_lookup_error errors loc env (Unbound_modtype (Lident s)) let lookup_ident_class ~errors ~use ~loc s env = match IdTbl.find_name wrap_identity ~mark:use s env.classes with | (path, clda) -> use_class ~use ~loc path clda; path, clda.clda_declaration | exception Not_found -> may_lookup_error errors loc env (Unbound_class (Lident s)) let lookup_ident_cltype ~errors ~use ~loc s env = match IdTbl.find_name wrap_identity ~mark:use s env.cltypes with | path, cltda -> use_cltype ~use ~loc path cltda.cltda_declaration; path, cltda.cltda_declaration | exception Not_found -> may_lookup_error errors loc env (Unbound_cltype (Lident s)) let lookup_all_ident_labels ~errors ~use ~loc usage s env = match TycompTbl.find_all ~mark:use s env.labels with | [] -> may_lookup_error errors loc env (Unbound_label (Lident s)) | lbls -> begin List.map (fun (lbl, use_fn) -> let use_fn () = use_label ~use ~loc usage env lbl; use_fn () in (lbl, use_fn)) lbls end let lookup_all_ident_constructors ~errors ~use ~loc usage s env = match TycompTbl.find_all ~mark:use s env.constrs with | [] -> may_lookup_error errors loc env (Unbound_constructor (Lident s)) | cstrs -> List.map (fun (cda, use_fn) -> let use_fn () = use_constructor ~use ~loc usage env cda; use_fn () in (cda.cda_description, use_fn)) cstrs let rec lookup_module_components ~errors ~use ~loc lid env = match lid with | Lident s -> let path, data = lookup_ident_module Load ~errors ~use ~loc s env in path, data.mda_components | Ldot(l, s) -> let path, data = lookup_dot_module ~errors ~use ~loc l s env in path, data.mda_components | Lapply _ as lid -> let f_path, f_comp, arg = lookup_apply ~errors ~use ~loc lid env in let comps = !components_of_functor_appl' ~loc ~f_path ~f_comp ~arg env in Papply (f_path, arg), comps and lookup_structure_components ~errors ~use ~loc lid env = let path, comps = lookup_module_components ~errors ~use ~loc lid env in match get_components_res comps with | Ok (Structure_comps comps) -> path, comps | Ok (Functor_comps _) -> may_lookup_error errors loc env (Functor_used_as_structure lid) | Error No_components_abstract -> may_lookup_error errors loc env (Abstract_used_as_structure lid) | Error (No_components_alias p) -> may_lookup_error errors loc env (Cannot_scrape_alias(lid, p)) and get_functor_components ~errors ~loc lid env comps = match get_components_res comps with | Ok (Functor_comps fcomps) -> begin match fcomps.fcomp_arg with | Unit -> (* PR#7611 *) may_lookup_error errors loc env (Generative_used_as_applicative lid) | Named (_, arg) -> fcomps, arg end | Ok (Structure_comps _) -> may_lookup_error errors loc env (Structure_used_as_functor lid) | Error No_components_abstract -> may_lookup_error errors loc env (Abstract_used_as_functor lid) | Error (No_components_alias p) -> may_lookup_error errors loc env (Cannot_scrape_alias(lid, p)) and lookup_all_args ~errors ~use ~loc lid0 env = let rec loop_lid_arg args = function | Lident _ | Ldot _ as f_lid -> (f_lid, args) | Lapply (f_lid, arg_lid) -> let arg_path, arg_md = lookup_module ~errors ~use ~loc arg_lid env in loop_lid_arg ((f_lid,arg_path,arg_md.md_type)::args) f_lid in loop_lid_arg [] lid0 and lookup_apply ~errors ~use ~loc lid0 env = let f0_lid, args0 = lookup_all_args ~errors ~use ~loc lid0 env in let args_for_errors = List.map (fun (_,p,mty) -> (p,mty)) args0 in let f0_path, f0_comp = lookup_module_components ~errors ~use ~loc f0_lid env in let check_one_apply ~errors ~loc ~f_lid ~f_comp ~arg_path ~arg_mty env = let f_comp, param_mty = get_functor_components ~errors ~loc f_lid env f_comp in check_functor_appl ~errors ~loc ~lid_whole_app:lid0 ~f0_path ~args:args_for_errors ~f_comp ~arg_path ~arg_mty ~param_mty env; arg_path, f_comp in let rec check_apply ~path:f_path ~comp:f_comp = function | [] -> invalid_arg "Env.lookup_apply: empty argument list" | [ f_lid, arg_path, arg_mty ] -> let arg_path, comps = check_one_apply ~errors ~loc ~f_lid ~f_comp ~arg_path ~arg_mty env in f_path, comps, arg_path | (f_lid, arg_path, arg_mty) :: args -> let arg_path, f_comp = check_one_apply ~errors ~loc ~f_lid ~f_comp ~arg_path ~arg_mty env in let comp = !components_of_functor_appl' ~loc ~f_path ~f_comp ~arg:arg_path env in let path = Papply (f_path, arg_path) in check_apply ~path ~comp args in check_apply ~path:f0_path ~comp:f0_comp args0 and lookup_module ~errors ~use ~loc lid env = match lid with | Lident s -> let path, data = lookup_ident_module Load ~errors ~use ~loc s env in let md = Subst.Lazy.force_module_decl data.mda_declaration in path, md | Ldot(l, s) -> let path, data = lookup_dot_module ~errors ~use ~loc l s env in let md = Subst.Lazy.force_module_decl data.mda_declaration in path, md | Lapply _ as lid -> let path_f, comp_f, path_arg = lookup_apply ~errors ~use ~loc lid env in let md = md (modtype_of_functor_appl comp_f path_f path_arg) in Papply(path_f, path_arg), md and lookup_dot_module ~errors ~use ~loc l s env = let p, comps = lookup_structure_components ~errors ~use ~loc l env in match NameMap.find s comps.comp_modules with | mda -> let path = Pdot(p, s) in use_module ~use ~loc path mda; (path, mda) | exception Not_found -> may_lookup_error errors loc env (Unbound_module (Ldot(l, s))) let lookup_dot_value ~errors ~use ~loc l s env = let (path, comps) = lookup_structure_components ~errors ~use ~loc l env in match NameMap.find s comps.comp_values with | vda -> let path = Pdot(path, s) in use_value ~use ~loc path vda; (path, vda.vda_description) | exception Not_found -> may_lookup_error errors loc env (Unbound_value (Ldot(l, s), No_hint)) let lookup_dot_type ~errors ~use ~loc l s env = let (p, comps) = lookup_structure_components ~errors ~use ~loc l env in match NameMap.find s comps.comp_types with | tda -> let path = Pdot(p, s) in use_type ~use ~loc path tda; (path, tda) | exception Not_found -> may_lookup_error errors loc env (Unbound_type (Ldot(l, s))) let lookup_dot_modtype ~errors ~use ~loc l s env = let (p, comps) = lookup_structure_components ~errors ~use ~loc l env in match NameMap.find s comps.comp_modtypes with | mta -> let path = Pdot(p, s) in use_modtype ~use ~loc path mta.mtda_declaration; (path, mta.mtda_declaration) | exception Not_found -> may_lookup_error errors loc env (Unbound_modtype (Ldot(l, s))) let lookup_dot_class ~errors ~use ~loc l s env = let (p, comps) = lookup_structure_components ~errors ~use ~loc l env in match NameMap.find s comps.comp_classes with | clda -> let path = Pdot(p, s) in use_class ~use ~loc path clda; (path, clda.clda_declaration) | exception Not_found -> may_lookup_error errors loc env (Unbound_class (Ldot(l, s))) let lookup_dot_cltype ~errors ~use ~loc l s env = let (p, comps) = lookup_structure_components ~errors ~use ~loc l env in match NameMap.find s comps.comp_cltypes with | cltda -> let path = Pdot(p, s) in use_cltype ~use ~loc path cltda.cltda_declaration; (path, cltda.cltda_declaration) | exception Not_found -> may_lookup_error errors loc env (Unbound_cltype (Ldot(l, s))) let lookup_all_dot_labels ~errors ~use ~loc usage l s env = let (_, comps) = lookup_structure_components ~errors ~use ~loc l env in match NameMap.find s comps.comp_labels with | [] | exception Not_found -> may_lookup_error errors loc env (Unbound_label (Ldot(l, s))) | lbls -> List.map (fun lbl -> let use_fun () = use_label ~use ~loc usage env lbl in (lbl, use_fun)) lbls let lookup_all_dot_constructors ~errors ~use ~loc usage l s env = match l with | Longident.Lident "*predef*" -> (* Hack to support compilation of default arguments *) lookup_all_ident_constructors ~errors ~use ~loc usage s initial | _ -> let (_, comps) = lookup_structure_components ~errors ~use ~loc l env in match NameMap.find s comps.comp_constrs with | [] | exception Not_found -> may_lookup_error errors loc env (Unbound_constructor (Ldot(l, s))) | cstrs -> List.map (fun cda -> let use_fun () = use_constructor ~use ~loc usage env cda in (cda.cda_description, use_fun)) cstrs (* General forms of the lookup functions *) let lookup_module_path ~errors ~use ~loc ~load lid env : Path.t = match lid with | Lident s -> if !Clflags.transparent_modules && not load then fst (lookup_ident_module Don't_load ~errors ~use ~loc s env) else fst (lookup_ident_module Load ~errors ~use ~loc s env) | Ldot(l, s) -> fst (lookup_dot_module ~errors ~use ~loc l s env) | Lapply _ as lid -> let path_f, _comp_f, path_arg = lookup_apply ~errors ~use ~loc lid env in Papply(path_f, path_arg) let lookup_value ~errors ~use ~loc lid env = match lid with | Lident s -> lookup_ident_value ~errors ~use ~loc s env | Ldot(l, s) -> lookup_dot_value ~errors ~use ~loc l s env | Lapply _ -> assert false let lookup_type_full ~errors ~use ~loc lid env = match lid with | Lident s -> lookup_ident_type ~errors ~use ~loc s env | Ldot(l, s) -> lookup_dot_type ~errors ~use ~loc l s env | Lapply _ -> assert false let lookup_type ~errors ~use ~loc lid env = let (path, tda) = lookup_type_full ~errors ~use ~loc lid env in path, tda.tda_declaration let lookup_modtype_lazy ~errors ~use ~loc lid env = match lid with | Lident s -> lookup_ident_modtype ~errors ~use ~loc s env | Ldot(l, s) -> lookup_dot_modtype ~errors ~use ~loc l s env | Lapply _ -> assert false let lookup_modtype ~errors ~use ~loc lid env = let (path, mt) = lookup_modtype_lazy ~errors ~use ~loc lid env in path, Subst.Lazy.force_modtype_decl mt let lookup_class ~errors ~use ~loc lid env = match lid with | Lident s -> lookup_ident_class ~errors ~use ~loc s env | Ldot(l, s) -> lookup_dot_class ~errors ~use ~loc l s env | Lapply _ -> assert false let lookup_cltype ~errors ~use ~loc lid env = match lid with | Lident s -> lookup_ident_cltype ~errors ~use ~loc s env | Ldot(l, s) -> lookup_dot_cltype ~errors ~use ~loc l s env | Lapply _ -> assert false let lookup_all_labels ~errors ~use ~loc usage lid env = match lid with | Lident s -> lookup_all_ident_labels ~errors ~use ~loc usage s env | Ldot(l, s) -> lookup_all_dot_labels ~errors ~use ~loc usage l s env | Lapply _ -> assert false let lookup_label ~errors ~use ~loc usage lid env = match lookup_all_labels ~errors ~use ~loc usage lid env with | [] -> assert false | (desc, use) :: _ -> use (); desc let lookup_all_labels_from_type ~use ~loc usage ty_path env = match find_type_descrs ty_path env with | exception Not_found -> [] | Type_variant _ | Type_abstract _ | Type_open -> [] | Type_record (lbls, _) -> List.map (fun lbl -> let use_fun () = use_label ~use ~loc usage env lbl in (lbl, use_fun)) lbls let lookup_all_constructors ~errors ~use ~loc usage lid env = match lid with | Lident s -> lookup_all_ident_constructors ~errors ~use ~loc usage s env | Ldot(l, s) -> lookup_all_dot_constructors ~errors ~use ~loc usage l s env | Lapply _ -> assert false let lookup_constructor ~errors ~use ~loc usage lid env = match lookup_all_constructors ~errors ~use ~loc usage lid env with | [] -> assert false | (desc, use) :: _ -> use (); desc let lookup_all_constructors_from_type ~use ~loc usage ty_path env = match find_type_descrs ty_path env with | exception Not_found -> [] | Type_record _ | Type_abstract _ | Type_open -> [] | Type_variant (cstrs, _) -> List.map (fun cstr -> let use_fun () = use_constructor_desc ~use ~loc usage env cstr in (cstr, use_fun)) cstrs (* Lookup functions that do not mark the item as used or warn if it has alerts, and raise [Not_found] rather than report errors *) let find_module_by_name lid env = let loc = Location.(in_file !input_name) in lookup_module ~errors:false ~use:false ~loc lid env let find_value_by_name lid env = let loc = Location.(in_file !input_name) in lookup_value ~errors:false ~use:false ~loc lid env let find_type_by_name lid env = let loc = Location.(in_file !input_name) in lookup_type ~errors:false ~use:false ~loc lid env let find_modtype_by_name lid env = let loc = Location.(in_file !input_name) in lookup_modtype ~errors:false ~use:false ~loc lid env let find_class_by_name lid env = let loc = Location.(in_file !input_name) in lookup_class ~errors:false ~use:false ~loc lid env let find_cltype_by_name lid env = let loc = Location.(in_file !input_name) in lookup_cltype ~errors:false ~use:false ~loc lid env let find_constructor_by_name lid env = let loc = Location.(in_file !input_name) in lookup_constructor ~errors:false ~use:false ~loc Positive lid env let find_label_by_name lid env = let loc = Location.(in_file !input_name) in lookup_label ~errors:false ~use:false ~loc Projection lid env (* Stable name lookup for printing *) let find_index_tbl ident tbl = let lbs = IdTbl.find_all_idents (Ident.name ident) tbl in let find_ident (n,p) = match p with | Some id -> if Ident.same ident id then Some n else None | _ -> None in Seq.find_map find_ident @@ Seq.mapi (fun i x -> i,x) lbs let find_value_index id env = find_index_tbl id env.values let find_type_index id env = find_index_tbl id env.types let find_module_index id env = find_index_tbl id env.modules let find_modtype_index id env = find_index_tbl id env.modtypes let find_class_index id env = find_index_tbl id env.classes let find_cltype_index id env = find_index_tbl id env.cltypes (* Ordinary lookup functions *) let lookup_module_path ?(use=true) ~loc ~load lid env = lookup_module_path ~errors:true ~use ~loc ~load lid env let lookup_module ?(use=true) ~loc lid env = lookup_module ~errors:true ~use ~loc lid env let lookup_value ?(use=true) ~loc lid env = check_value_name (Longident.last lid) loc; lookup_value ~errors:true ~use ~loc lid env let lookup_type ?(use=true) ~loc lid env = lookup_type ~errors:true ~use ~loc lid env let lookup_modtype ?(use=true) ~loc lid env = lookup_modtype ~errors:true ~use ~loc lid env let lookup_modtype_path ?(use=true) ~loc lid env = fst (lookup_modtype_lazy ~errors:true ~use ~loc lid env) let lookup_class ?(use=true) ~loc lid env = lookup_class ~errors:true ~use ~loc lid env let lookup_cltype ?(use=true) ~loc lid env = lookup_cltype ~errors:true ~use ~loc lid env let lookup_all_constructors ?(use=true) ~loc usage lid env = match lookup_all_constructors ~errors:true ~use ~loc usage lid env with | exception Error(Lookup_error(loc', env', err)) -> (Error(loc', env', err) : _ result) | cstrs -> Ok cstrs let lookup_constructor ?(use=true) ~loc lid env = lookup_constructor ~errors:true ~use ~loc lid env let lookup_all_constructors_from_type ?(use=true) ~loc usage ty_path env = lookup_all_constructors_from_type ~use ~loc usage ty_path env let lookup_all_labels ?(use=true) ~loc usage lid env = match lookup_all_labels ~errors:true ~use ~loc usage lid env with | exception Error(Lookup_error(loc', env', err)) -> (Error(loc', env', err) : _ result) | lbls -> Ok lbls let lookup_label ?(use=true) ~loc lid env = lookup_label ~errors:true ~use ~loc lid env let lookup_all_labels_from_type ?(use=true) ~loc usage ty_path env = lookup_all_labels_from_type ~use ~loc usage ty_path env let lookup_instance_variable ?(use=true) ~loc name env = match IdTbl.find_name wrap_value ~mark:use name env.values with | (path, Val_bound vda) -> begin let desc = vda.vda_description in match desc.val_kind with | Val_ivar(mut, cl_num) -> use_value ~use ~loc path vda; path, mut, cl_num, desc.val_type | _ -> lookup_error loc env (Not_an_instance_variable name) end | (_, Val_unbound Val_unbound_instance_variable) -> lookup_error loc env (Masked_instance_variable (Lident name)) | (_, Val_unbound Val_unbound_self) -> lookup_error loc env (Not_an_instance_variable name) | (_, Val_unbound Val_unbound_ancestor) -> lookup_error loc env (Not_an_instance_variable name) | (_, Val_unbound Val_unbound_ghost_recursive _) -> lookup_error loc env (Unbound_instance_variable name) | exception Not_found -> lookup_error loc env (Unbound_instance_variable name) (* Checking if a name is bound *) let bound_module name env = match IdTbl.find_name wrap_module ~mark:false name env.modules with | _ -> true | exception Not_found -> if Current_unit.Name.is name then false else begin match find_pers_mod ~allow_hidden:false name with | _ -> true | exception Not_found -> false end let bound wrap proj name env = match IdTbl.find_name wrap ~mark:false name (proj env) with | _ -> true | exception Not_found -> false let bound_value name env = bound wrap_value (fun env -> env.values) name env let bound_type name env = bound wrap_identity (fun env -> env.types) name env let bound_modtype name env = bound wrap_identity (fun env -> env.modtypes) name env let bound_class name env = bound wrap_identity (fun env -> env.classes) name env let bound_cltype name env = bound wrap_identity (fun env -> env.cltypes) name env (* Folding on environments *) let find_all wrap proj1 proj2 f lid env acc = match lid with | None -> IdTbl.fold_name wrap (fun name (p, data) acc -> f name p data acc) (proj1 env) acc | Some l -> let p, desc = lookup_module_components ~errors:false ~use:false ~loc:Location.none l env in begin match get_components desc with | Structure_comps c -> NameMap.fold (fun s data acc -> f s (Pdot (p, s)) (wrap data) acc) (proj2 c) acc | Functor_comps _ -> acc end let find_all_simple_list proj1 proj2 f lid env acc = match lid with | None -> TycompTbl.fold_name (fun data acc -> f data acc) (proj1 env) acc | Some l -> let (_p, desc) = lookup_module_components ~errors:false ~use:false ~loc:Location.none l env in begin match get_components desc with | Structure_comps c -> NameMap.fold (fun _s comps acc -> match comps with | [] -> acc | data :: _ -> f data acc) (proj2 c) acc | Functor_comps _ -> acc end let fold_modules f lid env acc = match lid with | None -> IdTbl.fold_name wrap_module (fun name (p, entry) acc -> match entry with | Mod_unbound _ -> acc | Mod_local mda -> let md = Subst.Lazy.force_module_decl mda.mda_declaration in f name p md acc | Mod_persistent -> match Persistent_env.find_in_cache !persistent_env name with | None -> acc | Some mda -> let md = Subst.Lazy.force_module_decl mda.mda_declaration in f name p md acc) env.modules acc | Some l -> let p, desc = lookup_module_components ~errors:false ~use:false ~loc:Location.none l env in begin match get_components desc with | Structure_comps c -> NameMap.fold (fun s mda acc -> let md = Subst.Lazy.force_module_decl mda.mda_declaration in f s (Pdot (p, s)) md acc) c.comp_modules acc | Functor_comps _ -> acc end let fold_values f = find_all wrap_value (fun env -> env.values) (fun sc -> sc.comp_values) (fun k p ve acc -> match ve with | Val_unbound _ -> acc | Val_bound vda -> f k p vda.vda_description acc) and fold_constructors f = find_all_simple_list (fun env -> env.constrs) (fun sc -> sc.comp_constrs) (fun cda acc -> f cda.cda_description acc) and fold_labels f = find_all_simple_list (fun env -> env.labels) (fun sc -> sc.comp_labels) f and fold_types f = find_all wrap_identity (fun env -> env.types) (fun sc -> sc.comp_types) (fun k p tda acc -> f k p tda.tda_declaration acc) and fold_modtypes f = let f l path data acc = f l path (Subst.Lazy.force_modtype_decl data) acc in find_all wrap_identity (fun env -> env.modtypes) (fun sc -> sc.comp_modtypes) (fun k p mta acc -> f k p mta.mtda_declaration acc) and fold_classes f = find_all wrap_identity (fun env -> env.classes) (fun sc -> sc.comp_classes) (fun k p clda acc -> f k p clda.clda_declaration acc) and fold_cltypes f = find_all wrap_identity (fun env -> env.cltypes) (fun sc -> sc.comp_cltypes) (fun k p cltda acc -> f k p cltda.cltda_declaration acc) let filter_non_loaded_persistent f env = let to_remove = IdTbl.fold_name wrap_module (fun name (_, entry) acc -> match entry with | Mod_local _ -> acc | Mod_unbound _ -> acc | Mod_persistent -> match Persistent_env.find_in_cache !persistent_env name with | Some _ -> acc | None -> if f (Ident.create_persistent name) then acc else String.Set.add name acc) env.modules String.Set.empty in let remove_ids tbl ids = String.Set.fold (fun name tbl -> IdTbl.remove (Ident.create_persistent name) tbl) ids tbl in let rec filter_summary summary ids = if String.Set.is_empty ids then summary else match summary with Env_persistent (s, id) when String.Set.mem (Ident.name id) ids -> filter_summary s (String.Set.remove (Ident.name id) ids) | Env_empty | Env_value _ | Env_type _ | Env_extension _ | Env_module _ | Env_modtype _ | Env_class _ | Env_cltype _ | Env_open _ | Env_functor_arg _ | Env_constraints _ | Env_copy_types _ | Env_persistent _ | Env_value_unbound _ | Env_module_unbound _ -> map_summary (fun s -> filter_summary s ids) summary in { env with modules = remove_ids env.modules to_remove; summary = filter_summary env.summary to_remove; } (* Return the environment summary *) let summary env = if Path.Map.is_empty env.local_constraints then env.summary else Env_constraints (env.summary, env.local_constraints) let last_env = s_ref empty let last_reduced_env = s_ref empty let keep_only_summary env = if !last_env == env then !last_reduced_env else begin let new_env = { empty with summary = env.summary; local_constraints = env.local_constraints; flags = env.flags; } in last_env := env; last_reduced_env := new_env; new_env end let env_of_only_summary env_from_summary env = let new_env = env_from_summary env.summary Subst.identity in { new_env with local_constraints = env.local_constraints; flags = env.flags; } (* Error report *) open Format_doc (* Forward declarations *) let print_longident : Longident.t printer ref = ref (fun _ _ -> assert false) let print_path: Path.t printer ref = ref (fun _ _ -> assert false) let pp_path ppf l = !print_path ppf l let spellcheck ppf extract env lid = let choices ~path name = Misc.spellcheck (extract path env) name in match lid with | Longident.Lapply _ -> () | Longident.Lident s -> Misc.did_you_mean ppf (fun () -> choices ~path:None s) | Longident.Ldot (r, s) -> Misc.did_you_mean ppf (fun () -> choices ~path:(Some r) s) let spellcheck_name ppf extract env name = Misc.did_you_mean ppf (fun () -> Misc.spellcheck (extract env) name) let extract_values path env = fold_values (fun name _ _ acc -> name :: acc) path env [] let extract_types path env = fold_types (fun name _ _ acc -> name :: acc) path env [] let extract_modules path env = fold_modules (fun name _ _ acc -> name :: acc) path env [] let extract_constructors path env = fold_constructors (fun desc acc -> desc.cstr_name :: acc) path env [] let extract_labels path env = fold_labels (fun desc acc -> desc.lbl_name :: acc) path env [] let extract_classes path env = fold_classes (fun name _ _ acc -> name :: acc) path env [] let extract_modtypes path env = fold_modtypes (fun name _ _ acc -> name :: acc) path env [] let extract_cltypes path env = fold_cltypes (fun name _ _ acc -> name :: acc) path env [] let extract_instance_variables env = fold_values (fun name _ descr acc -> match descr.val_kind with | Val_ivar _ -> name :: acc | _ -> acc) None env [] module Style = Misc.Style let quoted_longident = Style.as_inline_code Pprintast.Doc.longident let quoted_constr = Style.as_inline_code Pprintast.Doc.constr let report_lookup_error_doc _loc env ppf = function | Unbound_value(lid, hint) -> begin fprintf ppf "Unbound value %a" quoted_longident lid; spellcheck ppf extract_values env lid; match hint with | No_hint -> () | Missing_rec def_loc -> let (_, line, _) = Location.get_pos_info def_loc.Location.loc_start in fprintf ppf "@.@[@{<hint>Hint@}: If this is a recursive definition,@ \ you should add the %a keyword on line %i@]" Style.inline_code "rec" line end | Unbound_type lid -> fprintf ppf "Unbound type constructor %a" quoted_longident lid; spellcheck ppf extract_types env lid; | Unbound_module lid -> begin fprintf ppf "Unbound module %a" quoted_longident lid; match find_modtype_by_name lid env with | exception Not_found -> spellcheck ppf extract_modules env lid; | _ -> fprintf ppf "@.@[@{<hint>Hint@}: There is a module type named %a, %s@]" quoted_longident lid "but module types are not modules" end | Unbound_constructor lid -> fprintf ppf "Unbound constructor %a" quoted_constr lid; spellcheck ppf extract_constructors env lid; | Unbound_label lid -> fprintf ppf "Unbound record field %a" quoted_longident lid; spellcheck ppf extract_labels env lid; | Unbound_class lid -> begin fprintf ppf "Unbound class %a" quoted_longident lid; match find_cltype_by_name lid env with | exception Not_found -> spellcheck ppf extract_classes env lid; | _ -> fprintf ppf "@.@[@{<hint>Hint@}: There is a class type named %a, %s@]" quoted_longident lid "but classes are not class types" end | Unbound_modtype lid -> begin fprintf ppf "Unbound module type %a" quoted_longident lid; match find_module_by_name lid env with | exception Not_found -> spellcheck ppf extract_modtypes env lid; | _ -> fprintf ppf "@.@[@{<hint>Hint@}: There is a module named %a, %s@]" quoted_longident lid "but modules are not module types" end | Unbound_cltype lid -> fprintf ppf "Unbound class type %a" quoted_longident lid; spellcheck ppf extract_cltypes env lid; | Unbound_instance_variable s -> fprintf ppf "Unbound instance variable %a" Style.inline_code s; spellcheck_name ppf extract_instance_variables env s; | Not_an_instance_variable s -> fprintf ppf "The value %a is not an instance variable" Style.inline_code s; spellcheck_name ppf extract_instance_variables env s; | Masked_instance_variable lid -> fprintf ppf "The instance variable %a@ \ cannot be accessed from the definition of another instance variable" quoted_longident lid | Masked_self_variable lid -> fprintf ppf "The self variable %a@ \ cannot be accessed from the definition of an instance variable" quoted_longident lid | Masked_ancestor_variable lid -> fprintf ppf "The ancestor variable %a@ \ cannot be accessed from the definition of an instance variable" quoted_longident lid | Illegal_reference_to_recursive_module -> fprintf ppf "Illegal recursive module reference" | Structure_used_as_functor lid -> fprintf ppf "@[The module %a is a structure, it cannot be applied@]" quoted_longident lid | Abstract_used_as_functor lid -> fprintf ppf "@[The module %a is abstract, it cannot be applied@]" quoted_longident lid | Functor_used_as_structure lid -> fprintf ppf "@[The module %a is a functor, \ it cannot have any components@]" quoted_longident lid | Abstract_used_as_structure lid -> fprintf ppf "@[The module %a is abstract, \ it cannot have any components@]" quoted_longident lid | Generative_used_as_applicative lid -> fprintf ppf "@[The functor %a is generative,@ it@ cannot@ be@ \ applied@ in@ type@ expressions@]" quoted_longident lid | Cannot_scrape_alias(lid, p) -> let cause = if Current_unit.Name.is_path p then "is the current compilation unit" else "is missing" in fprintf ppf "The module %a is an alias for module %a, which %s" quoted_longident lid (Style.as_inline_code pp_path) p cause let report_error_doc ppf = function | Missing_module(_, path1, path2) -> fprintf ppf "@[@[<hov>"; if Path.same path1 path2 then fprintf ppf "Internal path@ %a@ is dangling." Style.inline_code (Path.name path1) else fprintf ppf "Internal path@ %a@ expands to@ %a@ which is dangling." Style.inline_code (Path.name path1) Style.inline_code (Path.name path2); fprintf ppf "@]@ @[%s@ %a@ %s.@]@]" "The compiled interface for module" Style.inline_code (Ident.name (Path.head path2)) "was not found" | Illegal_value_name(_loc, name) -> fprintf ppf "%a is not a valid value identifier." Style.inline_code name | Lookup_error(loc, t, err) -> report_lookup_error_doc loc t ppf err let () = Location.register_error_of_exn (function | Error err -> let loc = match err with | Missing_module (loc, _, _) | Illegal_value_name (loc, _) | Lookup_error(loc, _, _) -> loc in let error_of_printer = if loc = Location.none then Location.error_of_printer_file else Location.error_of_printer ~loc ?sub:None ?footnote:None in Some (error_of_printer report_error_doc err) | _ -> None ) (* helper for merlin *) let check_state_consistency () = let missing modname = match Load_path.find_normalized (modname ^ ".cmi") with | _ -> false | exception Not_found -> true and found _modname filename ps_name _md = match Cmi_cache.get_cached_entry filename with | cmi_infos -> ps_name == cmi_infos.Cmi_format.cmi_name | exception Not_found -> false in Persistent_env.forall ~found ~missing !persistent_env let with_cmis f = Persistent_env.with_cmis !persistent_env f () let add_merlin_extension_module id mty env = add_module id Mp_present mty env (* Update short paths *) let rec index l x = match l with [] -> raise Not_found | a :: l -> if x == a then 0 else 1 + index l x let rec uniq = function [] -> true | a :: l -> not (List.memq a l) && uniq l let short_paths_type_desc decl = let open Short_paths.Desc.Type in match decl.type_manifest with | None -> Fresh | Some ty -> let ty = Transient_expr.repr ty in if ty.level <> Btype.generic_level then Fresh else begin match decl.type_private, decl.type_kind with | Private, Type_abstract _ -> Fresh | _, _ -> begin let params = List.map get_desc decl.type_params in match ty with | {desc = Tconstr (path, args, _)} -> let args = List.map get_desc args in if List.length params = List.length args && List.for_all2 (==) params args then Alias path else if List.length params <= List.length args || not (uniq args) then Fresh else begin match List.map (index params) args with | exception Not_found -> Fresh | ns -> Subst(path, ns) end | ty -> begin let ty = Transient_expr.type_expr ty in match index params (get_desc ty) with | exception Not_found -> Fresh | n -> Nth n end end end let short_paths_class_type_desc clty = let open Short_paths.Desc.Class_type in match clty.clty_type with | Cty_signature _ | Cty_arrow _ -> Fresh | Cty_constr(path, args, _) -> let params = List.map get_desc clty.clty_params in let args = List.map get_desc args in if List.length params = List.length args && List.for_all2 (==) params args then Alias path else if List.length params <= List.length args || not (uniq args) then Fresh else begin match List.map (index params) args with | exception Not_found -> Fresh | ns -> Subst(path, ns) end let short_paths_module_type_desc mty = let open Short_paths.Desc.Module_type in match mty with | None | Some Mty_for_hole -> Fresh | Some (Mty_ident path) -> Alias path | Some (Mty_signature _ | Mty_functor _) -> Fresh | Some (Mty_alias _) -> assert false let deprecated_of_alerts alerts = if String.Map.exists (fun key _ -> match key with | "deprecated" | "ocaml.deprecated" -> true | _ -> false ) alerts then Short_paths.Desc.Deprecated else Short_paths.Desc.Not_deprecated let deprecated_of_attributes attrs = deprecated_of_alerts (Builtin_attributes.alerts_of_attrs attrs) let rec short_paths_module_desc env mpath mty comp = let open Short_paths.Desc.Module in match mty with | Mty_alias path -> Alias path | Mty_ident path -> begin match find_modtype_expansion path env with | exception Not_found -> Fresh (Signature (lazy [])) | mty -> short_paths_module_desc env mpath mty comp end | Mty_signature _ -> let components = lazy (short_paths_module_components_desc env mpath comp) in Fresh (Signature components) | Mty_functor _ -> let apply path = short_paths_functor_components_desc env mpath comp path in Fresh (Functor apply) | Mty_for_hole -> Fresh (Signature (lazy [])) and short_paths_module_components_desc env mpath comp = match get_components comp with | Functor_comps _ -> assert false | Structure_comps c -> let comps = String.Map.fold (fun name { tda_declaration = decl; _ } acc -> let desc = short_paths_type_desc decl in let depr = deprecated_of_attributes decl.type_attributes in let item = Short_paths.Desc.Module.Type(name, desc, depr) in item :: acc ) c.comp_types [] in let comps = String.Map.fold (fun name cltda acc -> let clty = cltda.cltda_declaration in let desc = short_paths_class_type_desc clty in let depr = deprecated_of_attributes clty.clty_attributes in let item = Short_paths.Desc.Module.Class_type(name, desc, depr) in item :: acc ) c.comp_cltypes comps in let comps = String.Map.fold (fun name mtda acc -> let mtd = Subst.Lazy.force_modtype_decl mtda.mtda_declaration in let desc = short_paths_module_type_desc mtd.mtd_type in let depr = deprecated_of_attributes mtd.mtd_attributes in let item = Short_paths.Desc.Module.Module_type(name, desc, depr) in item :: acc ) c.comp_modtypes comps in let comps = String.Map.fold (fun name { mda_declaration; mda_components; _ } acc -> let mty = Subst.Lazy.force_module_decl mda_declaration in let mpath = Pdot(mpath, name) in let desc = short_paths_module_desc env mpath mty.md_type mda_components in let depr = deprecated_of_alerts mda_components.alerts in let item = Short_paths.Desc.Module.Module(name, desc, depr) in item :: acc ) c.comp_modules comps in comps and short_paths_functor_components_desc env mpath comp path = match get_components comp with | Structure_comps _ -> assert false | Functor_comps f -> let mty = try stamped_find f.fcomp_subst_cache path with Not_found -> let mty = let subst = match f.fcomp_arg with | Unit | Named (None, _) -> Subst.identity | Named (Some id, _) -> Subst.add_module id path Subst.identity in Subst.modtype (Rescope (Path.scope (Papply (mpath, path)))) subst f.fcomp_res in stamped_path_add f.fcomp_subst_cache path mty; mty in let loc = Location.(in_file !input_name) in let comps = components_of_functor_appl ~loc ~f_comp:f env ~f_path:mpath ~arg:path in let mpath = Papply(mpath, path) in short_paths_module_desc env mpath mty comps let short_paths_additions_desc env additions = List.fold_left (fun acc add -> match add with | Type(id, decl) -> let desc = short_paths_type_desc decl in let source = Short_paths.Desc.Local in let depr = deprecated_of_attributes decl.type_attributes in Short_paths.Desc.Type(id, desc, source, depr) :: acc | Class_type(id, clty) -> let desc = short_paths_class_type_desc clty in let source = Short_paths.Desc.Local in let depr = deprecated_of_attributes clty.clty_attributes in Short_paths.Desc.Class_type(id, desc, source, depr) :: acc | Module_type(id, mtd) -> let desc = short_paths_module_type_desc mtd.mtd_type in let source = Short_paths.Desc.Local in let depr = deprecated_of_attributes mtd.mtd_attributes in Short_paths.Desc.Module_type(id, desc, source, depr) :: acc | Module(id, md, comps) -> let desc = short_paths_module_desc env (Pident id) md.md_type comps in let source = Short_paths.Desc.Local in let depr = deprecated_of_alerts comps.alerts in Short_paths.Desc.Module(id, desc, source, depr) :: acc | Type_open(root, decls) -> String.Map.fold (fun name { tda_declaration = decl; _ } acc -> let id = Ident.create_local name in let path = Pdot(root, name) in let desc = Short_paths.Desc.Type.Alias path in let source = Short_paths.Desc.Open in let depr = deprecated_of_attributes decl.type_attributes in Short_paths.Desc.Type(id, desc, source, depr) :: acc) decls acc | Class_type_open(root, decls) -> String.Map.fold (fun name clty acc -> let id = Ident.create_local name in let path = Pdot(root, name) in let desc = Short_paths.Desc.Class_type.Alias path in let source = Short_paths.Desc.Open in let depr = deprecated_of_attributes clty.clty_attributes in Short_paths.Desc.Class_type(id, desc, source, depr) :: acc) decls acc | Module_type_open(root, decls) -> String.Map.fold (fun name mtd acc -> let id = Ident.create_local name in let path = Pdot(root, name) in let desc = Short_paths.Desc.Module_type.Alias path in let source = Short_paths.Desc.Open in let depr = deprecated_of_attributes mtd.mtd_attributes in Short_paths.Desc.Module_type(id, desc, source, depr) :: acc) decls acc | Module_open(root, decls) -> String.Map.fold (fun name { mda_components = comps; _ } acc -> let id = Ident.create_local name in let path = Pdot(root, name) in let desc = Short_paths.Desc.Module.Alias path in let source = Short_paths.Desc.Open in let depr = deprecated_of_alerts comps.alerts in Short_paths.Desc.Module(id, desc, source, depr) :: acc) decls acc) [] additions let () = short_paths_module_components_desc' := short_paths_module_components_desc let update_short_paths env = let env, short_paths = match env.short_paths with | None -> let basis = Persistent_env.short_paths_basis !persistent_env in let short_paths = Short_paths.initial basis in let env = { env with short_paths = Some short_paths } in env, short_paths | Some short_paths -> env, short_paths in match env.short_paths_additions with | [] -> env | _ :: _ as additions -> let short_paths = Short_paths.add short_paths (lazy (short_paths_additions_desc env additions)) in { env with short_paths = Some short_paths; short_paths_additions = []; } let short_paths env = match env.short_paths with | None -> let basis = Persistent_env.short_paths_basis !persistent_env in Short_paths.initial basis | Some short_paths -> short_paths let cleanup_functor_caches ~stamp = Stamped_hashtable.backtrack !stamped_changelog ~stamp let cleanup_usage_tables ~stamp = Stamped_hashtable.backtrack value_declarations_changelog ~stamp; Stamped_hashtable.backtrack type_declarations_changelog ~stamp; Stamped_hashtable.backtrack module_declarations_changelog ~stamp; Stamped_hashtable.backtrack used_constructors_changelog ~stamp; Stamped_hashtable.backtrack used_labels_changelog ~stamp let () = Location.register_error_of_exn (function | Error err -> let loc = match err with | Missing_module (loc, _, _) | Illegal_value_name (loc, _) | Lookup_error(loc, _, _) -> loc in let error_of_printer = if loc = Location.none then Location.error_of_printer_file else Location.error_of_printer ~loc ?sub:None ?footnote:None in Some (error_of_printer report_error_doc err) | _ -> None ) let report_lookup_error = Format_doc.compat2 report_lookup_error_doc let report_error = Format_doc.compat report_error_doc
sectionYPositions = computeSectionYPositions($el), 10)"
x-init="setTimeout(() => sectionYPositions = computeSectionYPositions($el), 10)"
>