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1 /*
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2 * Copyright 2002-2004 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 class ciObject;
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26 class ciSymbol;
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27
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28 // CompileLog
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29 //
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30 // An open stream for logging information about activities in a
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31 // compiler thread. There is exactly one per CompilerThread,
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32 // if the +LogCompilation switch is enabled.
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33 class CompileLog : public xmlStream {
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34 private:
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35 const char* _file; // name of file where XML goes
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36 julong _file_end; // last good end of file
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37 intx _thread_id; // which compile thread
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38
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39 stringStream _context; // optional, killable context marker
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40 char _context_buffer[100];
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41
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42 char* _identities; // array of boolean
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43 int _identities_limit;
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44 int _identities_capacity;
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45
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46 CompileLog* _next; // static chain of all logs
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47
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48 static CompileLog* _first; // head of static chain
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49
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50 void va_tag(bool push, const char* format, va_list ap);
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51
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52 public:
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53 CompileLog(const char* file, FILE* fp, intx thread_id);
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54 ~CompileLog();
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55
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56 intx thread_id() { return _thread_id; }
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57 const char* file() { return _file; }
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58 stringStream* context() { return &_context; }
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59
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60 void name(ciSymbol* s); // name='s'
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61 void name(symbolHandle s) { xmlStream::name(s); }
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62
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63 // Output an object description, return obj->ident().
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64 int identify(ciObject* obj);
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65 void clear_identities();
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66
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67 // virtuals
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68 virtual void see_tag(const char* tag, bool push);
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69 virtual void pop_tag(const char* tag);
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70
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71 // make a provisional end of log mark
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72 void mark_file_end() { _file_end = out()->count(); }
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73
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74 // copy all logs to the given stream
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75 static void finish_log(outputStream* out);
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76 static void finish_log_on_error(outputStream* out, char *buf, int buflen);
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77 };
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