1 /*

     2  * Copyright 2002-2004 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    24 

    25 class ciObject;

    26 class ciSymbol;

    27 

    28 // CompileLog

    29 //

    30 // An open stream for logging information about activities in a

    31 // compiler thread.  There is exactly one per CompilerThread,

    32 // if the +LogCompilation switch is enabled.

    33 class CompileLog : public xmlStream {

    34  private:

    35   const char*   _file;           // name of file where XML goes

    36   julong        _file_end;       // last good end of file

    37   intx          _thread_id;      // which compile thread

    38 

    39   stringStream  _context;        // optional, killable context marker

    40   char          _context_buffer[100];

    41 

    42   char*         _identities;     // array of boolean

    43   int           _identities_limit;

    44   int           _identities_capacity;

    45 

    46   CompileLog*   _next;           // static chain of all logs

    47 

    48   static CompileLog* _first;     // head of static chain

    49 

    50   void va_tag(bool push, const char* format, va_list ap);

    51 

    52  public:

    53   CompileLog(const char* file, FILE* fp, intx thread_id);

    54   ~CompileLog();

    55 

    56   intx          thread_id()                      { return _thread_id; }

    57   const char*   file()                           { return _file; }

    58   stringStream* context()                        { return &_context; }

    59 

    60   void          name(ciSymbol* s);               // name='s'

    61   void          name(symbolHandle s)             { xmlStream::name(s); }

    62 

    63   // Output an object description, return obj->ident().

    64   int           identify(ciObject* obj);

    65   void          clear_identities();

    66 

    67   // virtuals

    68   virtual void see_tag(const char* tag, bool push);

    69   virtual void pop_tag(const char* tag);

    70 

    71   // make a provisional end of log mark

    72   void mark_file_end() { _file_end = out()->count(); }

    73 

    74   // copy all logs to the given stream

    75   static void finish_log(outputStream* out);

    76   static void finish_log_on_error(outputStream* out, char *buf, int buflen);

    77 };