# HG changeset patch
# User Petter T. <petter.vilhelm@gmail.com>
# Date 1686773245 14400
# Node ID 6870df38af9c8cb7dbc91639d066f0054e32eba7
# Parent  61d014959a8b09159acf4116325ab707600409f1
new predicate to identify braindead short circuit parse tree elements

* pt-binop.h (tree_binary_expression::is_braindead): New virtual function.
(tree_braindead_shortcircuit_binary_expression::is_braindead):
New function.

diff -r 61d014959a8b -r 6870df38af9c libinterp/parse-tree/pt-binop.h
--- a/libinterp/parse-tree/pt-binop.h	Wed Jun 14 16:02:51 2023 -0400
+++ b/libinterp/parse-tree/pt-binop.h	Wed Jun 14 16:07:25 2023 -0400
@@ -107,6 +107,7 @@
 
   void matlab_style_short_circuit_warning (const char *op);
 
+  virtual bool is_braindead () const { return false; }
 protected:
 
   // The operands for the expression.
@@ -143,6 +144,8 @@
   octave_value evaluate (tree_evaluator&, int nargout = 1);
 
   using tree_binary_expression::evaluate_n;
+
+  bool is_braindead () const { return true; }
 };
 
 // Boolean expressions.