doc: mfcalc: demonstrate %printer.

[bison.git] / tests / calc.at

diff --git a/tests/calc.at b/tests/calc.at
index 7f757f39f118330dc399ff54a4e34040b4435e0a..c50400836a5ad684ce0443db4643ac877a0aec2f 100644 (file)
--- a/tests/calc.at
+++ b/tests/calc.at
@@ -1,7 +1,6 @@
 # Simple calculator.                         -*- Autotest -*-
 
-# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
-# 2009, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2000-2012 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -208,6 +207,7 @@ extern FILE *input;]AT_SKEL_CC_IF([[
 
 %code
 {
+#include <assert.h>
 #include <stdlib.h>
 #include <string.h>
 #if HAVE_UNISTD_H
@@ -241,7 +241,7 @@ int yylex (]AT_LEX_FORMALS[);
    are stored in a union, from which objects with constructors are
    excluded in C++. */
 %initial-action {
-  @$.initialize (0);
+  @$.initialize ();
 }
 ])])[
 
@@ -348,8 +348,7 @@ static int
 power (int base, int exponent)
 {
   int res = 1;
-  if (exponent < 0)
-    exit (3);
+  assert (0 <= exponent);
   for (/* Niente */; exponent; --exponent)
     res *= base;
   return res;