doc: clean up references to `Tracking Locations'.

[bison.git] / lib / timevar.c

diff --git a/lib/timevar.c b/lib/timevar.c
index 7295fbc8cd26c5d8af945d7cf39d462e23d65eb3..03ec0b65def64fbee43e29d56e3bc2f7214364ca 100644 (file)
--- a/lib/timevar.c
+++ b/lib/timevar.c
@@ -1,27 +1,27 @@
 /* Timing variables for measuring compiler performance.
-   Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+
+   Copyright (C) 2000, 2002, 2004, 2006, 2009-2011 Free Software
+   Foundation, Inc.
+
    Contributed by Alex Samuel <samuel@codesourcery.com>
 
-This file is part of Bison, the GNU Compiler Compiler.
+   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
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
 
-Bison is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
 
-Bison is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-for more details.
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-You should have received a copy of the GNU General Public License
-along with Bison; see the file COPYING.  If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.  */
+#include <config.h>
 
 #if IN_GCC
 
-#include "config.h"
 #include "system.h"
 #include "intl.h"
 #include "rtl.h"
@@ -31,12 +31,12 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 /* This source file is taken from the GCC source code, with slight
    modifications that are under control of the IN_GCC preprocessor
    variable.  The !IN_GCC part of this file is specific to Bison.  */
-   
+
 # include "../src/system.h"
 # if HAVE_SYS_TIME_H
 #  include <sys/time.h>
 # endif
-int time_report = 0;
+int timevar_report = 0;
 
 #endif
 
@@ -63,13 +63,13 @@ struct tms
 #endif
 
 #if defined HAVE_DECL_GETRUSAGE && !HAVE_DECL_GETRUSAGE
-extern int getrusage PARAMS ((int, struct rusage *));
+extern int getrusage (int, struct rusage *);
 #endif
 #if defined HAVE_DECL_TIMES && !HAVE_DECL_TIMES
-extern clock_t times PARAMS ((struct tms *));
+extern clock_t times (struct tms *);
 #endif
 #if defined HAVE_DECL_CLOCK && !HAVE_DECL_CLOCK
-extern clock_t clock PARAMS ((void));
+extern clock_t clock (void);
 #endif
 
 #ifndef RUSAGE_SELF
@@ -118,12 +118,12 @@ extern clock_t clock PARAMS ((void));
    _constants_ variable at run time, anyway?  */
 #ifdef USE_TIMES
 static float ticks_to_msec;
-#define TICKS_TO_MSEC (1 / (float)TICKS_PER_SECOND)
+#define TICKS_TO_MSEC (1.0 / TICKS_PER_SECOND)
 #endif
 
 #ifdef USE_CLOCK
 static float clocks_to_msec;
-#define CLOCKS_TO_MSEC (1 / (float)CLOCKS_PER_SEC)
+#define CLOCKS_TO_MSEC (1.0 / CLOCKS_PER_SEC)
 #endif
 
 #if IN_GCC
@@ -134,7 +134,7 @@ static float clocks_to_msec;
 /* See timevar.h for an explanation of timing variables.  */
 
 /* This macro evaluates to nonzero if timing variables are enabled.  */
-#define TIMEVAR_ENABLE (time_report)
+#define TIMEVAR_ENABLE (timevar_report)
 
 /* A timing variable.  */
 
@@ -187,11 +187,10 @@ static struct timevar_stack_def *unused_stack_instances;
    element.  */
 static struct timevar_time_def start_time;
 
-static void get_time
-  PARAMS ((struct timevar_time_def *));
-static void timevar_accumulate
-  PARAMS ((struct timevar_time_def *, struct timevar_time_def *,
-          struct timevar_time_def *));
+static void get_time (struct timevar_time_def *);
+static void timevar_accumulate (struct timevar_time_def *,
+                               struct timevar_time_def *,
+                               struct timevar_time_def *);
 
 /* Fill the current times into TIME.  The definition of this function
    also defines any or all of the HAVE_USER_TIME, HAVE_SYS_TIME, and
@@ -236,17 +235,17 @@ get_time (now)
   }
 }
 
-/* Add the difference between STOP_TIME and START_TIME to TIMER.  */
+/* Add the difference between STOP and START to TIMER.  */
 
 static void
-timevar_accumulate (timer, start_time, stop_time)
+timevar_accumulate (timer, start, stop)
      struct timevar_time_def *timer;
-     struct timevar_time_def *start_time;
-     struct timevar_time_def *stop_time;
+     struct timevar_time_def *start;
+     struct timevar_time_def *stop;
 {
-  timer->user += stop_time->user - start_time->user;
-  timer->sys += stop_time->sys - start_time->sys;
-  timer->wall += stop_time->wall - start_time->wall;
+  timer->user += stop->user - start->user;
+  timer->sys += stop->sys - start->sys;
+  timer->wall += stop->wall - start->wall;
 }
 
 /* Initialize timing variables.  */
@@ -448,7 +447,7 @@ timevar_print (fp)
      FILE *fp;
 {
   /* Only print stuff if we have some sort of time information.  */
-#if defined (HAVE_USER_TIME) || defined (HAVE_SYS_TIME) || defined (HAVE_WALL_TIME)
+#if defined HAVE_USER_TIME || defined HAVE_SYS_TIME || defined HAVE_WALL_TIME
   unsigned int /* timevar_id_t */ id;
   struct timevar_time_def *total = &timevars[TV_TOTAL].elapsed;
   struct timevar_time_def now;
@@ -489,7 +488,7 @@ timevar_print (fp)
        continue;
 
       /* Don't print timing variables if we're going to get a row of
-         zeroes.  */
+        zeroes.  */
       if (tv->elapsed.user < tiny
          && tv->elapsed.sys < tiny
          && tv->elapsed.wall < tiny)