Details

Added documentation and asserts that constants for arithmetic opcodes
must be numbers.

lopcodes.h

@@ -225,13 +225,13 @@ OP_SELF,/*	A B C	R[A+1] := R[B]; R[A] := R[B][RK(C):string]	*/
 
 OP_ADDI,/*	A B sC	R[A] := R[B] + sC				*/
 
-OP_ADDK,/*	A B C	R[A] := R[B] + K[C]				*/
-OP_SUBK,/*	A B C	R[A] := R[B] - K[C]				*/
-OP_MULK,/*	A B C	R[A] := R[B] * K[C]				*/
-OP_MODK,/*	A B C	R[A] := R[B] % K[C]				*/
-OP_POWK,/*	A B C	R[A] := R[B] ^ K[C]				*/
-OP_DIVK,/*	A B C	R[A] := R[B] / K[C]				*/
-OP_IDIVK,/*	A B C	R[A] := R[B] // K[C]				*/
+OP_ADDK,/*	A B C	R[A] := R[B] + K[C]:number			*/
+OP_SUBK,/*	A B C	R[A] := R[B] - K[C]:number			*/
+OP_MULK,/*	A B C	R[A] := R[B] * K[C]:number			*/
+OP_MODK,/*	A B C	R[A] := R[B] % K[C]:number			*/
+OP_POWK,/*	A B C	R[A] := R[B] ^ K[C]:number			*/
+OP_DIVK,/*	A B C	R[A] := R[B] / K[C]:number			*/
+OP_IDIVK,/*	A B C	R[A] := R[B] // K[C]:number			*/
 
 OP_BANDK,/*	A B C	R[A] := R[B] & K[C]:integer			*/
 OP_BORK,/*	A B C	R[A] := R[B] | K[C]:integer			*/

lvm.c

@@ -921,7 +921,7 @@ void luaV_finishOp (lua_State *L) {
 */
 #define op_arithfK(L,fop) {  \
   TValue *v1 = vRB(i);  \
-  TValue *v2 = KC(i);  \
+  TValue *v2 = KC(i); lua_assert(ttisnumber(v2));  \
   op_arithf_aux(L, v1, v2, fop); }
 
 
@@ -950,7 +950,7 @@ void luaV_finishOp (lua_State *L) {
 */
 #define op_arithK(L,iop,fop) {  \
   TValue *v1 = vRB(i);  \
-  TValue *v2 = KC(i);  \
+  TValue *v2 = KC(i); lua_assert(ttisnumber(v2));  \
   op_arith_aux(L, v1, v2, iop, fop); }