LCOV - code coverage report
Current view: top level - toolbox - logging.cpp (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 73 0.0 %
Date: 2017-07-14 10:03:36 Functions: 0 13 0.0 %

          Line data    Source code
       1             : /* src/toolbox/logging.cpp - contains logging functions
       2             : 
       3             :    Copyright (C) 1996-2013
       4             :    CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
       5             : 
       6             :    This file is part of CACAO.
       7             : 
       8             :    This program is free software; you can redistribute it and/or
       9             :    modify it under the terms of the GNU General Public License as
      10             :    published by the Free Software Foundation; either version 2, or (at
      11             :    your option) any later version.
      12             : 
      13             :    This program is distributed in the hope that it will be useful, but
      14             :    WITHOUT ANY WARRANTY; without even the implied warranty of
      15             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      16             :    General Public License for more details.
      17             : 
      18             :    You should have received a copy of the GNU General Public License
      19             :    along with this program; if not, write to the Free Software
      20             :    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
      21             :    02110-1301, USA.
      22             : 
      23             : */
      24             : 
      25             : #include "config.h"
      26             : 
      27             : #include <cstdio>
      28             : #include <cstdlib>
      29             : #include <cstring>
      30             : #include <cassert>
      31             : #include <inttypes.h>
      32             : 
      33             : #include "vm/method.hpp"
      34             : #include "vm/types.hpp"
      35             : 
      36             : #include "threads/thread.hpp"
      37             : 
      38             : #include "toolbox/logging.hpp"
      39             : #include "toolbox/util.hpp"
      40             : 
      41             : #include "vm/statistics.hpp"
      42             : 
      43             : #ifdef ENABLE_LOGGING
      44             : 
      45             : using namespace cacao;
      46             : 
      47             : static Color current_log_color = BoldWhite;
      48             : 
      49             : OStream& cacao::dbg() {
      50             :         static OStream stream(stdout);
      51             : 
      52             :         return stream;
      53             : }
      54             : 
      55             : void cacao::set_log_file(FILE *file) {
      56             :         dbg().set_file(file);
      57             : }
      58             : 
      59             : void cacao::set_log_color(Color color) {
      60             :         current_log_color = color;
      61             : }
      62             : 
      63             : Color cacao::log_color() {
      64             :         return current_log_color;
      65             : }
      66             : 
      67             : #endif
      68             : 
      69             : /***************************************************************************
      70             :                         LOG FILE HANDLING 
      71             : ***************************************************************************/
      72             : 
      73             : static FILE *LOG_FILE = NULL;
      74             : 
      75           0 : void log_init(const char *fname)
      76             : {
      77           0 :         if (fname) {
      78           0 :                 if (fname[0]) {
      79           0 :                         LOG_FILE = fopen(fname, "w");
      80             :                 }
      81             :         }
      82           0 : }
      83             : 
      84           0 : static inline FILE* get_log() 
      85             : {
      86           0 :         return LOG_FILE ? LOG_FILE : stdout;
      87             : }
      88             : 
      89             : // TODO: remove
      90           0 : FILE* log_get_logfile() 
      91             : {
      92           0 :         return get_log();
      93             : }
      94             : 
      95             : /***************************************************************************
      96             :                         LOG ENTRY HEADER/FOOTER
      97             : ***************************************************************************/
      98             : 
      99             : /* log_start *******************************************************************
     100             : 
     101             :    Writes the preleading LOG: text to the protocol file (if opened) or
     102             :    to stdout.
     103             : 
     104             : *******************************************************************************/
     105             : 
     106           0 : void log_start(void)
     107             : {
     108           0 :         fprintf(get_log(), "LOG: [0x%"PRIxPTR"] ", threads_get_current_tid());
     109           0 : }
     110             : 
     111             : /* log_finish ******************************************************************
     112             : 
     113             :    Finishes a logtext line with trailing newline and a fflush.
     114             : 
     115             : *******************************************************************************/
     116             : 
     117           0 : void log_finish(void)
     118             : {
     119           0 :         FILE* log = get_log();
     120             : 
     121           0 :         fputs("\n", log);
     122           0 :         fflush(log);
     123           0 : }
     124             : 
     125             : /***************************************************************************
     126             :                         PRINT TO CURRENT LOG ENTRY
     127             : ***************************************************************************/
     128             : 
     129             : /* log_vprint ******************************************************************
     130             : 
     131             :    Writes logtext to the protocol file (if opened) or to stdout.
     132             : 
     133             : *******************************************************************************/
     134             : 
     135           0 : void log_vprint(const char *text, va_list ap)
     136             : {
     137           0 :         FILE* log = get_log();
     138             : 
     139           0 :         os::vfprintf(log, text, ap);
     140           0 : }
     141             : 
     142             : 
     143             : /* log_print *******************************************************************
     144             : 
     145             :    Writes logtext to the protocol file (if opened) or to stdout.
     146             : 
     147             : *******************************************************************************/
     148             : 
     149           0 : void log_print(const char *text, ...)
     150             : {
     151             :         va_list ap;
     152             : 
     153           0 :         va_start(ap, text);
     154           0 :         log_vprint(text, ap);
     155           0 :         va_end(ap);
     156           0 : }
     157             : 
     158             : /* log_classname ***************************************************************
     159             : 
     160             :    Writes utf string to the protocol replacing '/' by '.'
     161             : 
     162             : *******************************************************************************/
     163             : 
     164           0 : void log_classname(Utf8String u)
     165             : {
     166           0 :         FILE* log = get_log();
     167             : 
     168           0 :         assert(u);
     169             : 
     170           0 :         Utf8String                str = u;
     171           0 :         Utf8String::byte_iterator it  = str.begin();
     172           0 :         Utf8String::byte_iterator end = str.end();
     173             : 
     174           0 :         for (; it != end; ++it) {
     175           0 :                 char c = *it;
     176             : 
     177           0 :                 fputc(c=='/' ? '.' : c, log);
     178             :         }
     179           0 : }
     180             : 
     181             : 
     182             : /***************************************************************************
     183             :                         PRINT WHOLE LOG ENTRY
     184             : ***************************************************************************/
     185             : 
     186             : /* log_println *****************************************************************
     187             : 
     188             :    Writes logtext to the protocol file (if opened) or to stdout with a
     189             :    trailing newline.
     190             : 
     191             : *******************************************************************************/
     192             : 
     193           0 : void log_println(const char *text, ...)
     194             : {
     195             :         va_list ap;
     196             : 
     197           0 :         log_start();
     198             : 
     199           0 :         va_start(ap, text);
     200           0 :         log_vprint(text, ap);
     201           0 :         va_end(ap);
     202             : 
     203           0 :         log_finish();
     204           0 : }
     205             : 
     206             : /* log_message_utf *************************************************************
     207             : 
     208             :    Outputs log text like this:
     209             : 
     210             :    LOG: Creating class: java/lang/Object
     211             : 
     212             : *******************************************************************************/
     213             : 
     214           0 : void log_message_utf(const char *msg, Utf8String u)
     215             : {
     216           0 :         log_start();
     217             : 
     218           0 :         FILE* log = get_log();
     219             : 
     220           0 :         Utf8String str = u; // TODO: remove
     221             : 
     222           0 :         fputs(msg, log);
     223           0 :         fputs(str.begin(), log);
     224             : 
     225           0 :         log_finish();
     226           0 : }
     227             : 
     228             : 
     229             : /* log_message_class ***********************************************************
     230             : 
     231             :    Outputs log text like this:
     232             : 
     233             :    LOG: Loading class: java/lang/Object
     234             : 
     235             : *******************************************************************************/
     236             : 
     237           0 : void log_message_class(const char *msg, classinfo *c)
     238             : {
     239           0 :         log_message_utf(msg, c->name);
     240           0 : }
     241             : 
     242             : 
     243             : /* log_message_class_message_class *********************************************
     244             : 
     245             :    Outputs log text like this:
     246             : 
     247             :    LOG: Initialize super class java/lang/Object from java/lang/VMThread
     248             : 
     249             : *******************************************************************************/
     250             : 
     251           0 : void log_message_class_message_class(const char *msg1, classinfo *c1,
     252             :                                                                          const char *msg2, classinfo *c2)
     253             : {
     254           0 :         log_start();
     255             : 
     256           0 :         FILE* log = get_log();
     257             : 
     258           0 :         fputs(msg1, log);
     259           0 :         fputs(Utf8String(c1->name).begin(), log);
     260           0 :         fputs(msg2, log);
     261           0 :         fputs(Utf8String(c2->name).begin(), log);
     262             : 
     263           0 :         log_finish();
     264           0 : }
     265             : 
     266             : 
     267             : /* log_message_method **********************************************************
     268             : 
     269             :    Outputs log text like this:
     270             : 
     271             :    LOG: Compiling: java.lang.Object.clone()Ljava/lang/Object;
     272             : 
     273             : *******************************************************************************/
     274             : 
     275           0 : void log_message_method(const char *msg, methodinfo *m)
     276             : {
     277           0 :         log_start();
     278             : 
     279           0 :         FILE* log = get_log();
     280             : 
     281           0 :         fputs(msg, log);
     282           0 :         log_classname( m->clazz->name );
     283           0 :         fputc('.', log);
     284           0 :         fputs(Utf8String(m->name).begin(), log);
     285           0 :         fputs(Utf8String(m->descriptor).begin(), log);
     286             : 
     287           0 :         log_finish();
     288           0 : }
     289             : 
     290             : 
     291             : /*
     292             :  * These are local overrides for various environment variables in Emacs.
     293             :  * Please do not remove this and leave it at the end of the file, where
     294             :  * Emacs will automagically detect them.
     295             :  * ---------------------------------------------------------------------
     296             :  * Local variables:
     297             :  * mode: c++
     298             :  * indent-tabs-mode: t
     299             :  * c-basic-offset: 4
     300             :  * tab-width: 4
     301             :  * End:
     302             :  * vim:noexpandtab:sw=4:ts=4:
     303             :  */

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