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/*jshint esversion: 6 */
"use strict";
const OpCodes = [
"OP_MOVE", /* A B R(A) := R(B) */
"OP_LOADK", /* A Bx R(A) := Kst(Bx) */
"OP_LOADKX", /* A R(A) := Kst(extra arg) */
"OP_LOADBOOL", /* A B C R(A) := (Bool)B; if (C) pc++ */
"OP_LOADNIL", /* A B R(A), R(A+1), ..., R(A+B) := nil */
"OP_GETUPVAL", /* A B R(A) := UpValue[B] */
"OP_GETTABUP", /* A B C R(A) := UpValue[B][RK(C)] */
"OP_GETTABLE", /* A B C R(A) := R(B)[RK(C)] */
"OP_SETTABUP", /* A B C UpValue[A][RK(B)] := RK(C) */
"OP_SETUPVAL", /* A B UpValue[B] := R(A) */
"OP_SETTABLE", /* A B C R(A)[RK(B)] := RK(C) */
"OP_NEWTABLE", /* A B C R(A) := {} (size = B,C) */
"OP_SELF", /* A B C R(A+1) := R(B); R(A) := R(B)[RK(C)] */
"OP_ADD", /* A B C R(A) := RK(B) + RK(C) */
"OP_SUB", /* A B C R(A) := RK(B) - RK(C) */
"OP_MUL", /* A B C R(A) := RK(B) * RK(C) */
"OP_MOD", /* A B C R(A) := RK(B) % RK(C) */
"OP_POW", /* A B C R(A) := RK(B) ^ RK(C) */
"OP_DIV", /* A B C R(A) := RK(B) / RK(C) */
"OP_IDIV", /* A B C R(A) := RK(B) // RK(C) */
"OP_BAND", /* A B C R(A) := RK(B) & RK(C) */
"OP_BOR", /* A B C R(A) := RK(B) | RK(C) */
"OP_BXOR", /* A B C R(A) := RK(B) ~ RK(C) */
"OP_SHL", /* A B C R(A) := RK(B) << RK(C) */
"OP_SHR", /* A B C R(A) := RK(B) >> RK(C) */
"OP_UNM", /* A B R(A) := -R(B) */
"OP_BNOT", /* A B R(A) := ~R(B) */
"OP_NOT", /* A B R(A) := not R(B) */
"OP_LEN", /* A B R(A) := length of R(B) */
"OP_CONCAT", /* A B C R(A) := R(B).. ... ..R(C) */
"OP_JMP", /* A sBx pc+=sBx; if (A) close all upvalues >= R(A - 1) */
"OP_EQ", /* A B C if ((RK(B) == RK(C)) ~= A) then pc++ */
"OP_LT", /* A B C if ((RK(B) < RK(C)) ~= A) then pc++ */
"OP_LE", /* A B C if ((RK(B) <= RK(C)) ~= A) then pc++ */
"OP_TEST", /* A C if not (R(A) <=> C) then pc++ */
"OP_TESTSET", /* A B C if (R(B) <=> C) then R(A) := R(B) else pc++ */
"OP_CALL", /* A B C R(A), ... ,R(A+C-2) := R(A)(R(A+1), ... ,R(A+B-1)) */
"OP_TAILCALL", /* A B C return R(A)(R(A+1), ... ,R(A+B-1)) */
"OP_RETURN", /* A B return R(A), ... ,R(A+B-2) (see note) */
"OP_FORLOOP", /* A sBx R(A)+=R(A+2);
if R(A) <?= R(A+1) then { pc+=sBx; R(A+3)=R(A) }*/
"OP_FORPREP", /* A sBx R(A)-=R(A+2); pc+=sBx */
"OP_TFORCALL", /* A C R(A+3), ... ,R(A+2+C) := R(A)(R(A+1), R(A+2)); */
"OP_TFORLOOP", /* A sBx if R(A+1) ~= nil then { R(A)=R(A+1); pc += sBx }*/
"OP_SETLIST", /* A B C R(A)[(C-1)*FPF+i] := R(A+i), 1 <= i <= B */
"OP_CLOSURE", /* A Bx R(A) := closure(KPROTO[Bx]) */
"OP_VARARG", /* A B R(A), R(A+1), ..., R(A+B-2) = vararg */
"OP_EXTRAARG" /* Ax extra (larger) argument for previous opcode */
];
const SIZE_C = 9;
const SIZE_B = 9;
const SIZE_Bx = (SIZE_C + SIZE_B);
const SIZE_A = 8;
const SIZE_Ax = (SIZE_C + SIZE_B + SIZE_A);
const SIZE_OP = 6;
const POS_OP = 0;
const POS_A = (POS_OP + SIZE_OP);
const POS_C = (POS_A + SIZE_A);
const POS_B = (POS_C + SIZE_C);
const POS_Bx = POS_C;
const POS_Ax = POS_A;
const MAXARG_Bx = ((1 << SIZE_Bx) - 1);
const MAXARG_sBx = (MAXARG_Bx >> 1); /* 'sBx' is signed */
const MAXARG_Ax = ((1<<SIZE_Ax)-1);
const MAXARG_A = ((1 << SIZE_A) - 1);
const MAXARG_B = ((1 << SIZE_B) - 1);
const MAXARG_C = ((1 << SIZE_C) - 1);
const BITRK = (1 << (SIZE_B - 1));
const ISK = function (x) {
return x & BITRK;
};
const INDEXK = function (r) {
return r & ~BITRK;
}
module.exports = {
OpCodes: OpCodes,
SIZE_C: SIZE_C,
SIZE_B: SIZE_B,
SIZE_Bx: SIZE_Bx,
SIZE_A: SIZE_A,
SIZE_Ax: SIZE_Ax,
SIZE_OP: SIZE_OP,
POS_OP: POS_OP,
POS_A: POS_A,
POS_C: POS_C,
POS_B: POS_B,
POS_Bx: POS_Bx,
POS_Ax: POS_Ax,
MAXARG_Bx: MAXARG_Bx,
MAXARG_sBx: MAXARG_sBx,
MAXARG_Ax: MAXARG_Ax,
MAXARG_A: MAXARG_A,
MAXARG_B: MAXARG_B,
MAXARG_C: MAXARG_C,
BITRK: BITRK,
ISK: ISK,
INDEXK: INDEXK
};
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