Function getjumpcontrol

third-party/lua-5.4.6/src/lcode.c:244–250

** Returns the position of the instruction "controlling" a given ** jump (that is, its condition), or the jump itself if it is ** unconditional. */

** unconditional.
*/
static Instruction *getjumpcontrol (FuncState *fs, int pc) {
  Instruction *pi = &fs->f->code[pc];
  if (pc >= 1 && testTMode(GET_OPCODE(*(pi-1))))
    return pi-1;
  else
    return pi;
}


/*