Function codebinexpval

libraries/AP_Scripting/lua/src/lcode.c:1029–1037

** 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'. ** Because 'luaK_exp2RK' can free registers, its calls must be ** in "stack order" (that is, first on 'e2', which may have more ** recent registers to be released). */

** recent registers to be released).
*/
static void codebinexpval (FuncState *fs, OpCode op,
                           expdesc *e1, expdesc *e2, int line) {
  int rk2 = luaK_exp2RK(fs, e2);  /* both operands are "RK" */
  int rk1 = luaK_exp2RK(fs, e1);
  freeexps(fs, e1, e2);
  e1->u.info = luaK_codeABC(fs, op, 0, rk1, rk2);  /* generate opcode */
  e1->k = VRELOCABLE;  /* all those operations are relocatable */
  luaK_fixline(fs, line);
}


/*