Function finishbinexpval

3rd/lua-5.4.3/src/lcode.c:1356–1367

** Emit code for binary expressions that "produce values" ** (everything but logical operators 'and'/'or' and comparison ** operators). ** Expression to produce final result will be encoded in 'e1'. */

** Expression to produce final result will be encoded in 'e1'.
*/
static void finishbinexpval (FuncState *fs, expdesc *e1, expdesc *e2,
                             OpCode op, int v2, int flip, int line,
                             OpCode mmop, TMS event) {
  int v1 = luaK_exp2anyreg(fs, e1);
  int pc = luaK_codeABCk(fs, op, 0, v1, v2, 0);
  freeexps(fs, e1, e2);
  e1->u.info = pc;
  e1->k = VRELOC;  /* all those operations are relocatable */
  luaK_fixline(fs, line);
  luaK_codeABCk(fs, mmop, v1, v2, event, flip);  /* to call metamethod */
  luaK_fixline(fs, line);
}


/*