doc: mfcalc: demonstrate %printer.

[bison.git] / tests / calc.at

diff --git a/tests/calc.at b/tests/calc.at
index 46b798f5c3fc4a6a4383c1df71770a28631750e9..c50400836a5ad684ce0443db4643ac877a0aec2f 100644 (file)
--- a/tests/calc.at
+++ b/tests/calc.at
@@ -207,6 +207,7 @@ extern FILE *input;]AT_SKEL_CC_IF([[
 
 %code
 {
+#include <assert.h>
 #include <stdlib.h>
 #include <string.h>
 #if HAVE_UNISTD_H
@@ -240,7 +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 ();
 }
 ])])[
 
@@ -347,8 +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;