Add OP_DROP and improve error reporting

1 files changed, 5 insertions, 1 deletions

diff --git a/src/bytecode/vm.h b/src/bytecode/vm.h
index 63eedfa..d654e2c 100755
--- a/src/bytecode/vm.h
+++ b/src/bytecode/vm.h
@@ -64,7 +64,8 @@ vm_reset(VM *vm) {
         .value = ERR_WRONG_ARG_TYPE, \
         .line = frame->chunk->lines[vm->pc - frame->chunk->code - 1].line, \
         .col = frame->chunk->lines[vm->pc - frame->chunk->code - 1].col, \
-    })
+    }); \
+    return
 
 #define SYMBOL_NOT_FOUND_ERR() \
     error_push((Error){ \
@@ -268,6 +269,9 @@ vm_interpret(VM *vm) {
                 array_head(vm->frames)->size--;
                 frame = &vm->frames[array_size(vm->frames) - 1];
             } break;
+            case OP_DROP: {
+                array_head(vm->stack)->size = 0;
+            } break;
             default: {
                 error_push((Error){
                     .type = ERR_TYPE_RUNTIME,