From 02412f515deeaf05d0899a13bf52d310cbaa683f Mon Sep 17 00:00:00 2001
From: Pavel Shevaev <pacha.shevaev@gmail.com>
Date: Fri, 12 Jul 2024 13:11:26 +0300
Subject: [PATCH] Disallowing for now binding of any types for struct fields

---
 src/bind.inc.php | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/bind.inc.php b/src/bind.inc.php
index 56345f8..5ea33e3 100644
--- a/src/bind.inc.php
+++ b/src/bind.inc.php
@@ -30,6 +30,8 @@ function codegen(
   array $options = array()
 )
 {
+  validate_meta($meta);
+
   $twig = get_twig();
   if($tpl_cache_dir)
     $twig->setCache($tpl_cache_dir);
@@ -76,6 +78,21 @@ function get_twig(array $inc_path = [])
   return $twig;
 }
 
+function validate_meta(\mtgMetaInfo $meta)
+{
+  foreach($meta->getUnits() as $u)
+  {
+    if($u->object instanceof \mtgMetaStruct)
+    {
+      //NOTE: disallowing for now bindings to 'any' types for structs
+      foreach($u->object->getFields() as $fld)
+        if($fld->getType() == "any" || $fld->getType() == "any[]")
+          throw new Exception("Field '{$fld->getName()}' in struct '{$u->object->getName()}' has unsupported for binding type '{$fld->getType()}'");
+    }
+  }
+}
+
+//TODO: call it always inside codegen?
 function prepare_meta(\mtgMetaInfo $orig)
 {
   //NOTE: making a deep clone
@@ -89,6 +106,7 @@ function prepare_meta(\mtgMetaInfo $orig)
   return $meta;
 }
 
+
 function _make_arr_proxies(array &$arr_proxies, \mtgMetaInfo $meta, ?\mtgType $type, array &$traversed)
 {
   if($type == null)