duke@435: /*
trims@1907:  * Copyright (c) 2002, 2004, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
duke@435: class ciObject;
duke@435: class ciSymbol;
duke@435: 
duke@435: // CompileLog
duke@435: //
duke@435: // An open stream for logging information about activities in a
duke@435: // compiler thread.  There is exactly one per CompilerThread,
duke@435: // if the +LogCompilation switch is enabled.
duke@435: class CompileLog : public xmlStream {
duke@435:  private:
duke@435:   const char*   _file;           // name of file where XML goes
duke@435:   julong        _file_end;       // last good end of file
duke@435:   intx          _thread_id;      // which compile thread
duke@435: 
duke@435:   stringStream  _context;        // optional, killable context marker
duke@435:   char          _context_buffer[100];
duke@435: 
duke@435:   char*         _identities;     // array of boolean
duke@435:   int           _identities_limit;
duke@435:   int           _identities_capacity;
duke@435: 
duke@435:   CompileLog*   _next;           // static chain of all logs
duke@435: 
duke@435:   static CompileLog* _first;     // head of static chain
duke@435: 
duke@435:   void va_tag(bool push, const char* format, va_list ap);
duke@435: 
duke@435:  public:
duke@435:   CompileLog(const char* file, FILE* fp, intx thread_id);
duke@435:   ~CompileLog();
duke@435: 
duke@435:   intx          thread_id()                      { return _thread_id; }
duke@435:   const char*   file()                           { return _file; }
duke@435:   stringStream* context()                        { return &_context; }
duke@435: 
duke@435:   void          name(ciSymbol* s);               // name='s'
duke@435:   void          name(symbolHandle s)             { xmlStream::name(s); }
duke@435: 
duke@435:   // Output an object description, return obj->ident().
duke@435:   int           identify(ciObject* obj);
duke@435:   void          clear_identities();
duke@435: 
duke@435:   // virtuals
duke@435:   virtual void see_tag(const char* tag, bool push);
duke@435:   virtual void pop_tag(const char* tag);
duke@435: 
duke@435:   // make a provisional end of log mark
duke@435:   void mark_file_end() { _file_end = out()->count(); }
duke@435: 
duke@435:   // copy all logs to the given stream
duke@435:   static void finish_log(outputStream* out);
duke@435:   static void finish_log_on_error(outputStream* out, char *buf, int buflen);
duke@435: };