Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 | 1x 1x 1x 1x 20x 20x 20x 20x 20x 20x 20x 20x 20x 20x 20x 140x 140x 140x 8x 8x 8x 15x 15x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 140x 20x 20x 1x | import { Logger } from "../../logger";
const fengari = require("fengari");
const lua = fengari.lua;
export default class LuaBitLib {
public static LoadLibrary(L: any): void {
this.logger.debug("Assembling lua bit library");
const band = (x1: any, x2: any) => x1 & x2;
const bor = (x1: any, x2: any) => x1 | x2;
const bxor = (x1: any, x2: any) => x1 ^ x2;
const bnot = (x1: any) => ~x1;
const lshift = (x1: any, x2: any) => x1 << x2;
const rshift = (x1: any, x2: any) => x1 >> x2;
const arshift = (x1: any, x2: any) => x1 >>> x2;
const bit: any = {
arshift,
band,
bnot,
bor,
bxor,
lshift,
rshift
};
lua.lua_createtable(
L,
0,
Object.keys(bit).length
);
for (const key of Object.keys(bit)) {
this.logger.debug(
`Registering bit lib function ${key}: %j`,
bit[key]
);
lua.lua_pushstring(
L,
key
);
lua.lua_pushjsfunction(
L,
(LIB: any) => {
const n = lua.lua_gettop(LIB);
const args = new Array(n);
for (let i = 0; i < n; i++) {
let value: any;
value = lua.lua_tonumber(
LIB,
i + 1
);
/*
* Numbers are always integer to redis
* value = parseInt(value, 10);
*/
args[i] = value;
}
this.logger.debug(
`BIT calling ${key} with %j`,
...args
);
const returned: any = bit[key].call(
null,
...args
);
this.logger.debug(
`BIT ${key} returned ${returned}: %j`,
returned
);
this.logger.debug(`return value is ${returned ? returned.constructor.name : "not defined"}`);
switch (true) {
case (returned && returned.constructor.name === "Number"):
this.logger.debug("Push number");
lua.lua_pushnumber(
LIB,
returned
);
break;
default:
this.logger.warn(
"Not prepared to push type %j",
returned
);
}
this.logger.debug(`returned.length is ${Array.isArray(returned) ? returned.length : 1}`);
return (Array.isArray(returned) ? returned.length : 1);
}
);
lua.lua_rawset(
L,
-3
);
}
this.logger.debug("Setting \"bit\" global");
lua.lua_setglobal(
L,
"bit"
);
}
private static logger: Logger = new Logger(module.id);
}
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