X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/2722aa42bdee7e54ab255c7bbfe49ccb1f1307ff..671850a1c3e1aaac93a89fabc6d810be6a4a77fe:/etc/bench.pl.in

diff --git a/etc/bench.pl.in b/etc/bench.pl.in
index 9fae4c4a..cbd9473d 100755
--- 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, 2008-2015 Free Software Foundation, Inc.
 #
 # This file is part of Bison, the GNU Compiler Compiler.
 #
@@ -35,6 +35,7 @@ I<directives>:
      | directives & directives  -- Concatenation
      | [ directives> ]          -- Optional
      | ( directives> )          -- Parentheses
+     | %b PATH                  -- Use bison at PATH for this bench
      | #d NAME[=VALUE]          -- %code { #define NAME [VALUE] }
      | %d NAME[=VALUE]          -- %define NAME ["VALUE"]
      | %s skeleton              -- %skeleton "skeleton"
@@ -57,11 +58,6 @@ 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.
@@ -208,9 +204,9 @@ Format the list of directives for Bison for bench named C<$bench>.
 sub directives($@)
 {
   my ($bench, @directive) = @_;
-  my $res = "/* Directives for bench `$bench'. */\n";
+  my $res = "/* Directives for bench '$bench'. */\n";
   $res .= join ("\n", @directive) . "\n";
-  $res .= "/* End of directives for bench `$bench'. */\n";
+  $res .= "/* End of directives for bench '$bench'. */\n";
   return $res;
 }
 
@@ -251,7 +247,6 @@ sub generate_grammar_triangular ($$@)
     or die;
   print $out <<EOF;
 %error-verbose
-%debug
 %{
 #include <stdio.h>
 #include <stdlib.h>
@@ -290,8 +285,8 @@ for my $size (1 .. $max)
   {
     use Text::Wrap;
     print $out wrap ("| ", "   ",
-		     (map { "\"$_\"" } (1 .. $size)),
-		     " END \n"),
+                     (map { "\"$_\"" } (1 .. $size)),
+                     " END \n"),
                "    { \$\$ = $size; }\n";
   };
 print $out ";\n";
@@ -323,7 +318,9 @@ yyerror (const char *msg)
 int
 main (void)
 {
+#if YYDEBUG
   yydebug = !!getenv ("YYDEBUG");
+#endif
   return yyparse ();
 }
 EOF
@@ -375,8 +372,8 @@ sub generate_grammar_calc ($$@)
     or die;
   print $out <<EOF;
 %{
+#include <assert.h>
 #include <stdio.h>
-
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
@@ -415,7 +412,7 @@ static int yylex (void);
 %token <ival> NUM "number"
 %type  <ival> exp
 
-%nonassoc '=' /* comparison	       */
+%nonassoc '=' /* comparison            */
 %left '-' '+'
 %left '*' '/'
 %left NEG     /* negation--unary minus */
@@ -532,9 +529,8 @@ 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 +544,10 @@ main (int argc, const char **argv)
   int count = 0;
   int status;
 
+#if YYDEBUG
+  yydebug = !!getenv ("YYDEBUG");
+#endif
+
   input = fopen ("calc.input", "r");
   if (!input)
     {
@@ -580,11 +580,13 @@ sub generate_grammar_list ($$@)
   my ($base, $max, @directive) = @_;
   my $directives = directives ($base, @directive);
   my $variant = grep { /%define "?variant"?/ } @directive;
+  my $token_ctor = grep { /%define "?api.token.constructor"?/ } @directive;
   my $out = new IO::File ">$base.y"
     or die;
   print $out <<EOF;
 %language "C++"
 %defines
+%locations
 $directives
 
 %code requires // *.h
@@ -598,22 +600,18 @@ $directives
 #include <iostream>
 #include <sstream>
 
-// Prototype of the yylex function providing subsequent tokens.
-static yy::parser::token_type yylex(yy::parser::semantic_type* yylval);
-
 #define STAGE_MAX    ($max * 10) // max = $max
 
+#define USE_TOKEN_CTOR $token_ctor
 #define USE_VARIANTS $variant
-#if USE_VARIANTS
-# define IF_VARIANTS(True, False) True
-#else
-# define IF_VARIANTS(True, False) False
-#endif
 
-#ifdef ONE_STAGE_BUILD
-# define IF_ONE_STAGE_BUILD(True, False) True
+  // Prototype of the yylex function providing subsequent tokens.
+  static
+#if USE_TOKEN_CTOR
+  yy::parser::symbol_type yylex();
 #else
-# define IF_ONE_STAGE_BUILD(True, False) False
+  yy::parser::token_type yylex(yy::parser::semantic_type* yylvalp,
+                               yy::parser::location_type* yyllocp);
 #endif
 
   // Conversion to string.
@@ -627,6 +625,8 @@ static yy::parser::token_type yylex(yy::parser::semantic_type* yylval);
     return o.str ();
   }
 }
+
+%token END_OF_FILE 0
 EOF
 
   if ($variant)
@@ -636,18 +636,17 @@ EOF
 %token <int> NUMBER
 %printer { std::cerr << "Number: " << $$; } <int>
 %printer { std::cerr << "Text: " << $$; } <std::string>
-%token END_OF_FILE 0
 %type <std::string> text result
 
 %%
 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
     }
@@ -660,67 +659,86 @@ EOF
 %token <ival> NUMBER
 %printer { std::cerr << "Number: " << $$; } <ival>
 %printer { std::cerr << "Text: " << *$$; } <sval>
-%token END_OF_FILE 0
 %type <sval> text result
 
 %%
 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
     }
 
   print $out <<'EOF';
 %%
+#
+
 static
-yy::parser::token_type
-yylex(yy::parser::semantic_type* yylval)
+#if USE_TOKEN_CTOR
+yy::parser::symbol_type yylex()
+#else
+yy::parser::token_type yylex(yy::parser::semantic_type* yylvalp,
+                             yy::parser::location_type* yyllocp)
+#endif
 {
+  typedef yy::parser::location_type location_type;
+  typedef yy::parser::token token;
   static int stage = -1;
   ++stage;
   if (stage == STAGE_MAX)
-    return yy::parser::token::END_OF_FILE;
+    {
+#if USE_TOKEN_CTOR
+      return yy::parser::make_END_OF_FILE (location_type ());
+#else
+      *yyllocp = location_type ();
+      return token::END_OF_FILE;
+#endif
+    }
   else if (stage % 2)
     {
-#if USE_VARIANTS
-# ifdef ONE_STAGE_BUILD
-      yylval->build(stage);
+#if USE_TOKEN_CTOR
+      return yy::parser::make_NUMBER (stage, location_type ());
+#else
+# if defined ONE_STAGE_BUILD
+      yylvalp->build(stage);
+# elif USE_VARIANTS
+      yylvalp->build<int>() = stage;
 # else
-      yylval->build<int>() = stage;
+      yylvalp->ival = stage;
 # endif
-#else
-      yylval->ival = stage;
+      *yyllocp = location_type ();
+      return token::NUMBER;
 #endif
-      return yy::parser::token::NUMBER;
     }
   else
     {
-#if USE_VARIANTS
-# ifdef ONE_STAGE_BUILD
-      yylval->build(std::string("A string."));
+#if USE_TOKEN_CTOR
+      return yy::parser::make_TEXT ("A string.", location_type ());
+#else
+# if defined ONE_STAGE_BUILD
+      yylvalp->build(std::string("A string."));
+# elif USE_VARIANTS
+      yylvalp->build<std::string>() = std::string("A string.");
 # else
-      yylval->build<std::string>() = std::string("A string.");
+      yylvalp->sval = new std::string("A string.");
 # endif
-#else
-      yylval->sval = new std::string("A string.");
+      *yyllocp = location_type ();
+      return token::TEXT;
 #endif
-      return yy::parser::token::TEXT;
     }
   abort();
 }
 
 // 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[])
@@ -789,7 +807,8 @@ sub compile ($)
 
   my $compiler = $language eq 'C++' ? $cxx : $cc;
 
-  run "$bison $base.y -o $base.c";
+  my $my_bison = `sed -ne '/%bison "\\(.*\\)"/{s//\\1/;p;q;}' $base.y`;
+  run ((length $my_bison ? $my_bison : $bison) . " $base.y -o $base.c");
   run "$compiler -o $base $cflags $base.c";
 }
 
@@ -878,7 +897,7 @@ sub bench_push_parser ()
          qw(
             [ %d api.pure ]
             &
-            [ %d api.push_pull=both ]
+            [ %d api.push-pull=both ]
          ));
 }
 
@@ -886,7 +905,7 @@ sub bench_push_parser ()
 
 =item C<bench_variant_parser ()>
 
-Bench the C++ lalr1.cc parser using Boost.Variants or %union.
+Bench the C++ lalr1.cc parser using variants or %union.
 
 =cut
 
@@ -894,37 +913,15 @@ sub bench_variant_parser ()
 {
   bench ('list',
          qw(
-            [ %debug ]
-            &
-            [ %d variant
-              &
-              [ #d VARIANT_DESTROY ]
+            [
+              %d variant
               &
-              [ #d ONE_STAGE_BUILD ]
+              [ #d ONE_STAGE_BUILD | %d api.token.constructor ]
             ]
          )
     );
 }
 
-######################################################################
-
-=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 ($)
@@ -1053,6 +1050,12 @@ sub parse_dirs ()
       @res = ("%skeleton \"$token[0]\"");
       shift @token;
     }
+  elsif ($token[0] eq '%b')
+    {
+      shift @token;
+      @res = ("/*\n%bison \"$token[0]\"\\\n*/");
+      shift @token;
+    }
   else
     {
       @res = $token[0];
@@ -1110,7 +1113,6 @@ verbose 2, "Grammar: $grammar\n";
 # Support -b: predefined benches.
 my %bench =
   (
-   "fusion"   => \&bench_fusion_parser,
    "push"     => \&bench_push_parser,
    "variant"  => \&bench_variant_parser,
   );