compileLog.hpp revision 1472:c18cbe5936b8
1/* 2 * Copyright (c) 2002, 2004, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25class ciObject; 26class 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. 33class 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}; 78