Merge remote-tracking branch 'origin/maint'

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

diff --git a/etc/bench.pl.in b/etc/bench.pl.in
index 7cab2ebec0381347c4cd3a8a131d5c20591fd82b..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 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2008-2012 Free Software Foundation, Inc.
 #
 # This file is part of Bison, the GNU Compiler Compiler.
 #
@@ -57,11 +57,6 @@ request.
 
 =over 4
 
-=item I<fusion>
-
-Test F<lalr1.cc> with three stacks against F<lalr1-fusion.cc> which
-uses a single one.
-
 =item I<push>
 
 Test the push parser vs. the pull interface.  Use the C parser.
@@ -251,7 +246,6 @@ sub generate_grammar_triangular ($$@)
     or die;
   print $out <<EOF;
 %error-verbose
-%debug
 %{
 #include <stdio.h>
 #include <stdlib.h>
@@ -290,8 +284,8 @@ for my $size (1 .. $max)
   {
     use Text::Wrap;
     print $out wrap ("| ", "   ",
-                    (map { "\"$_\"" } (1 .. $size)),
-                    " END \n"),
+                     (map { "\"$_\"" } (1 .. $size)),
+                     " END \n"),
                "    { \$\$ = $size; }\n";
   };
 print $out ";\n";
@@ -323,7 +317,9 @@ yyerror (const char *msg)
 int
 main (void)
 {
+#if YYDEBUG
   yydebug = !!getenv ("YYDEBUG");
+#endif
   return yyparse ();
 }
 EOF
@@ -375,8 +371,8 @@ sub generate_grammar_calc ($$@)
     or die;
   print $out <<EOF;
 %{
+#include <assert.h>
 #include <stdio.h>
-
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
@@ -415,7 +411,7 @@ static int yylex (void);
 %token <ival> NUM "number"
 %type  <ival> exp
 
-%nonassoc '=' /* comparison           */
+%nonassoc '=' /* comparison            */
 %left '-' '+'
 %left '*' '/'
 %left NEG     /* negation--unary minus */
@@ -532,9 +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;
@@ -548,6 +543,10 @@ main (int argc, const char **argv)
   int count = 0;
   int status;
 
+#if YYDEBUG
+  yydebug = !!getenv ("YYDEBUG");
+#endif
+
   input = fopen ("calc.input", "r");
   if (!input)
     {
@@ -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
     }
@@ -686,51 +685,48 @@ yy::parser::token_type yylex(yy::parser::semantic_type* yylval,
                              yy::parser::location_type* yylloc)
 #endif
 {
+  typedef yy::parser::location_type location_type;
   typedef yy::parser::token token;
   static int stage = -1;
   ++stage;
   if (stage == STAGE_MAX)
     {
 #if USE_LEX_SYMBOL
-      return yy::parser::make_END_OF_FILE (yy::location());
+      return yy::parser::make_END_OF_FILE (location_type ());
 #else
-      *yylloc = yy::location ();
+      *yylloc = location_type ();
       return token::END_OF_FILE;
 #endif
     }
   else if (stage % 2)
     {
 #if USE_LEX_SYMBOL
-      return yy::parser::make_NUMBER (stage, yy::location());
-#elif defined ONE_STAGE_BUILD
+      return yy::parser::make_NUMBER (stage, location_type ());
+#else
+# if defined ONE_STAGE_BUILD
       yylval->build(stage);
-      *yylloc = yy::location ();
-      return token::NUMBER;
-#elif USE_VARIANTS
+# elif USE_VARIANTS
       yylval->build<int>() = stage;
-      *yylloc = yy::location ();
-      return token::NUMBER;
-#else
+# else
       yylval->ival = stage;
-      *yylloc = yy::location ();
+# endif
+      *yylloc = location_type ();
       return token::NUMBER;
 #endif
     }
   else
     {
 #if USE_LEX_SYMBOL
-      return yy::parser::make_TEXT ("A string.", yy::location());
-#elif defined ONE_STAGE_BUILD
+      return yy::parser::make_TEXT ("A string.", location_type ());
+#else
+# if defined ONE_STAGE_BUILD
       yylval->build(std::string("A string."));
-      *yylloc = yy::location ();
-      return token::TEXT;
-#elif USE_VARIANTS
+# elif USE_VARIANTS
       yylval->build<std::string>() = std::string("A string.");
-      *yylloc = yy::location ();
-      return token::TEXT;
-#else
+# else
       yylval->sval = new std::string("A string.");
-      *yylloc = yy::location ();
+# endif
+      *yylloc = location_type ();
       return token::TEXT;
 #endif
     }
@@ -739,10 +735,9 @@ yy::parser::token_type yylex(yy::parser::semantic_type* yylval,
 
 // Mandatory error function
 void
-yy::parser::error(const yy::parser::location_type& yylloc,
-                  const std::string& message)
+yy::parser::error(const yy::parser::location_type& loc, const std::string& msg)
 {
-  std::cerr << yylloc << ": " << message << std::endl;
+  std::cerr << loc << ": " << msg << std::endl;
 }
 
 int main(int argc, char *argv[])
@@ -900,7 +895,7 @@ sub bench_push_parser ()
          qw(
             [ %d api.pure ]
             &
-            [ %d api.push_pull=both ]
+            [ %d api.push-pull=both ]
          ));
 }
 
@@ -925,25 +920,6 @@ sub bench_variant_parser ()
     );
 }
 
-######################################################################
-
-=item C<bench_fusion_parser ()>
-
-Bench the C++ lalr1.cc parser using Boost.Variants or %union.
-
-=cut
-
-sub bench_fusion_parser ()
-{
-  bench ('list',
-         qw(
-             %s lalr1-split.cc
-           |
-             %s lalr1.cc
-         )
-    );
-}
-
 ############################################################################
 
 sub help ($)
@@ -1129,7 +1105,6 @@ verbose 2, "Grammar: $grammar\n";
 # Support -b: predefined benches.
 my %bench =
   (
-   "fusion"   => \&bench_fusion_parser,
    "push"     => \&bench_push_parser,
    "variant"  => \&bench_variant_parser,
   );