post.x = y defines metadata tag x

tko · Apr 4, 2012 · 322d558 · 322d558
1 parent 5a615ec
commit 322d558
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Showing 2 changed files with 9 additions and 0 deletions.
diff --git a/src/item.cc b/src/item.cc
@@ -398,6 +398,13 @@ value_t get_comment(item_t& item)
   }
 }
 
+void item_t::define(const symbol_t::kind_t, const string& name,
+                    expr_t::ptr_op_t def)
+{
+  bind_scope_t bound_scope(*scope_t::default_scope, *this);
+  set_tag(name, def->calc(bound_scope));
+}
+
 expr_t::ptr_op_t item_t::lookup(const symbol_t::kind_t kind,
                                 const string& name)
 {

diff --git a/src/item.h b/src/item.h
@@ -216,6 +216,8 @@ class item_t : public supports_flags<uint_least16_t>, public scope_t
     return _state;
   }
 
+  virtual void define(const symbol_t::kind_t, const string&,
+                      expr_t::ptr_op_t);
   virtual expr_t::ptr_op_t lookup(const symbol_t::kind_t kind,
                                   const string& name);