fix block type extraction in row build; the block tree build resolves evals to whatever types it is using for expansion, but sometimes we need to see types which have been stripped for row building (e.g. tables)

src/eval/eval_core.c

@@ -86,6 +86,13 @@ e_key_match(E_Key a, E_Key b)
   return result;
 }
 
+internal E_Key
+e_key_zero(void)
+{
+  E_Key key = {0};
+  return key;
+}
+
 ////////////////////////////////
 //~ rjf: Type Key Type Functions
 
@@ -883,6 +890,27 @@ e_interpretation_from_bundle(E_CacheBundle *bundle)
   return interpret;
 }
 
+//- rjf: key -> full expression string
+
+internal String8
+e_full_expr_string_from_key(Arena *arena, E_Key key)
+{
+  E_CacheBundle *bundle = e_cache_bundle_from_key(key);
+  String8 result = push_str8_copy(arena, bundle->string);
+  if(!e_key_match(bundle->parent_key, e_key_zero()))
+  {
+    Temp scratch = scratch_begin(&arena, 1);
+    typedef struct ParentResolveTask ParentResolveTask;
+    struct ParentResolveTask
+    {
+      ParentResolveTask *next;
+      E_Key key;
+    };
+    scratch_end(scratch);
+  }
+  return result;
+}
+
 //- rjf: comprehensive bundle
 
 internal E_Eval
@@ -961,9 +989,6 @@ e_value_eval_from_eval(E_Eval eval)
   return eval;
 }
 
-//- rjf: string-based helpers
-// TODO(rjf): (replace the old bundle APIs here)
-
 //- rjf: type key -> auto hooks
 
 internal E_ExprList