Add unary arithmetic operations for numbers

1 files changed, 25 insertions, 0 deletions

diff --git a/src/bytecode/vm.h b/src/bytecode/vm.h
index d9b37a3..cc9f846 100644
--- a/src/bytecode/vm.h
+++ b/src/bytecode/vm.h
@@ -68,6 +68,31 @@ vm_interpret(VM vm) {
                 Object obj = vm.chunk->constants[constant];
                 array_push(vm.stack, obj);
             } break;
+            case OP_SUM: {
+                Object a = array_pop(vm.stack);
+                Object b = array_pop(vm.stack);
+                array_push(vm.stack, a + b);
+            } break;
+            case OP_SUB: {
+                Object a = array_pop(vm.stack);
+                Object b = array_pop(vm.stack);
+                array_push(vm.stack, a - b);
+            } break;
+            case OP_MUL: {
+                Object a = array_pop(vm.stack);
+                Object b = array_pop(vm.stack);
+                array_push(vm.stack, a * b);
+            } break;
+            case OP_DIV: {
+                Object a = array_pop(vm.stack);
+                Object b = array_pop(vm.stack);
+                array_push(vm.stack, a / b);
+            } break;
+            case OP_MOD: {
+                Object a = array_pop(vm.stack);
+                Object b = array_pop(vm.stack);
+                array_push(vm.stack, a % b);
+            } break;
             case OP_RETURN: {
                 display(array_pop(vm.stack));
                 printf("\n");