Add initial IF implementation

1 files changed, 10 insertions, 0 deletions

diff --git a/src/bytecode/vm.h b/src/bytecode/vm.h
index 51a6f44..b24a5fa 100755
--- a/src/bytecode/vm.h
+++ b/src/bytecode/vm.h
@@ -196,6 +196,16 @@ vm_interpret(VM *vm, Chunk *chunk) {
             case OP_GREATER: { FIXNUM_COMPARE_OP(>); } break;
             case OP_LESS_EQUAL: { FIXNUM_COMPARE_OP(<=); } break;
             case OP_GREATER_EQUAL: { FIXNUM_COMPARE_OP(>=); } break;
+            case OP_JUMP: {
+                ssize_t off = AS_FIXNUM(array_pop(vm->stack));
+                vm->pc += off;
+            } break;
+            case OP_JUMP_IF_FALSE: {
+                ssize_t off = AS_FIXNUM(array_pop(vm->stack));
+                if (IS_FALSE(array_pop(vm->stack))) {
+                    vm->pc += off;
+                }
+            } break;
             case OP_DISPLAY: {
                 display(array_pop(vm->stack));
             } break;