turn access into a function to be ran at runtime

src/runtime/access/access.c

@@ -0,0 +1,33 @@
+/*
+ * SPDX-FileCopyrightText: 2025 William Bell
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+#include "access.h"
+#include <stdio.h>
+
+ArgonObject *ARGON_TYPE_TYPE___get_attr__(size_t argc, ArgonObject **argv,
+                                          ArErr *err, RuntimeState *state) {
+  (void)state;
+  if (argc != 3) {
+    *err = create_err(0, 0, 0, "", "Runtime Error",
+                      "__get_attr__ expects 3 arguments, got %" PRIu64);
+    return ARGON_NULL;
+  }
+  ArgonObject *to_access = argv[0];
+  ArgonObject *access = argv[1];
+  bool check_field = argv[2] == ARGON_TRUE;
+  if (check_field) {
+    ArgonObject *value = get_field_l(to_access, access->value.as_str.data,
+                                     access->value.as_str.length, true, false);
+    if (value)
+      return value;
+  }
+  ArgonObject *name = get_field_for_class(
+      get_field(to_access, "__class__", false, false), "__name__", to_access);
+  *err = create_err(0, 0, 0, "", "Runtime Error",
+                    "'%.*s' object has no attribute '%.*s'",
+                    (int)name->value.as_str.length, name->value.as_str.data,
+                    (int)access->value.as_str.length, access->value.as_str.data);
+  return ARGON_NULL;
+}