1 files changed, 16 insertions, 0 deletions
diff --git a/src/interpreter.zig b/src/interpreter.zig
index 760e008..51a542e 100644
--- a/src/interpreter.zig
+++ b/src/interpreter.zig
@@ -13,6 +13,12 @@ pub const Interpreter = struct {
         self.field.deinit();
         self.allocator.destroy(self);
     }
+    pub inline fn getField(self: *Interpreter) *field.Field {
+        return self.field;
+    }
+    pub inline fn getPointer(self: *Interpreter) *pointer.Pointer {
+        return self.pointer;
+    }
     pub fn init(allocator: std.mem.Allocator, fileReader: anytype, timestamp: ?i64, args: []const []const u8, env: []const [*:0]const u8) !*Interpreter {
         var i = try allocator.create(Interpreter);
         errdefer allocator.destroy(i);
@@ -34,6 +40,16 @@ pub const Interpreter = struct {
             }
         }
     }
+    pub fn step(self: *Interpreter, ioContext: anytype) !?i64 {
+        if (try self.pointer.exec(ioContext)) |ret| {
+            if (ret.code) |code| {
+                return code;
+            } else {
+                return 0;
+            }
+        }
+        return null;
+    }
 };
 
 test "all" {