maint: prepare forthcoming changes

[bison.git] / etc / bench.pl.in

diff --git a/etc/bench.pl.in b/etc/bench.pl.in
index b6fd1cedad1081804b9cc52ba8b9c35bf99b577f..5d83fc7be480b952fa6bf9b3e5988b3c0e928496 100755 (executable)
--- a/etc/bench.pl.in
+++ b/etc/bench.pl.in
@@ -1,6 +1,6 @@
 #! /usr/bin/perl -w
 
-# Copyright (C) 2006, 2008, 2009, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2008-2012 Free Software Foundation, Inc.
 #
 # This file is part of Bison, the GNU Compiler Compiler.
 #
@@ -284,8 +284,8 @@ for my $size (1 .. $max)
   {
     use Text::Wrap;
     print $out wrap ("| ", "   ",
-                    (map { "\"$_\"" } (1 .. $size)),
-                    " END \n"),
+                     (map { "\"$_\"" } (1 .. $size)),
+                     " END \n"),
                "    { \$\$ = $size; }\n";
   };
 print $out ";\n";
@@ -371,8 +371,8 @@ sub generate_grammar_calc ($$@)
     or die;
   print $out <<EOF;
 %{
+#include <assert.h>
 #include <stdio.h>
-
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
@@ -411,7 +411,7 @@ static int yylex (void);
 %token <ival> NUM "number"
 %type  <ival> exp
 
-%nonassoc '=' /* comparison           */
+%nonassoc '=' /* comparison            */
 %left '-' '+'
 %left '*' '/'
 %left NEG     /* negation--unary minus */
@@ -528,9 +528,8 @@ yylex (void)
 static int
 power (int base, int exponent)
 {
+  assert (0 <= exponent);
   int res = 1;
-  if (exponent < 0)
-    exit (3);
   for (/* Niente */; exponent; --exponent)
     res *= base;
   return res;
@@ -640,13 +639,13 @@ EOF
 
 %%
 result:
-  text                 { /* Throw away the result. */ }
+  text                  { /* Throw away the result. */ }
 ;
 
 text:
-  /* nothing */                { /* This will generate an empty string */ }
-| text TEXT            { std::swap ($$, $2); }
-| text NUMBER          { $$ = string_cast($2); }
+  /* nothing */         { /* This will generate an empty string */ }
+| text TEXT             { std::swap ($$, $2); }
+| text NUMBER           { $$ = string_cast($2); }
 ;
 EOF
     }
@@ -663,13 +662,13 @@ EOF
 
 %%
 result:
-  text                 { delete $1; }
+  text                  { delete $1; }
 ;
 
 text:
-  /* nothing */                { $$ = new std::string; }
-| text TEXT            { delete $1; $$ = $2; }
-| text NUMBER          { delete $1; $$ = new std::string (string_cast ($2)); }
+  /* nothing */         { $$ = new std::string; }
+| text TEXT             { delete $1; $$ = $2; }
+| text NUMBER           { delete $1; $$ = new std::string (string_cast ($2)); }
 ;
 EOF
     }