dyld3/Diagnostics.h

   1 /*
   2  * Copyright (c) 2017 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24
  25 #ifndef Diagnostics_h
  26 #define Diagnostics_h
  27
  28 #include <stdint.h>
  29
  30 #if !DYLD_IN_PROCESS
  31 #include <set>
  32 #include <string>
  33 #include <vector>
  34 #include <dispatch/dispatch.h>
  35 #endif
  36
  37 #include "Logging.h"
  38
  39
  40 class VIS_HIDDEN Diagnostics
  41 {
  42 public:
  43                     Diagnostics(bool verbose=false);
  44                     ~Diagnostics();
  45
  46     void            error(const char* format, ...)  __attribute__((format(printf, 2, 3)));
  47 #if !DYLD_IN_PROCESS
  48                     Diagnostics(const std::string& prefix, bool verbose=false);
  49
  50     void            warning(const char* format, ...)  __attribute__((format(printf, 2, 3)));
  51     void            verbose(const char* format, ...)  __attribute__((format(printf, 2, 3)));
  52     void            copy(const Diagnostics&);
  53 #endif
  54
  55     bool            hasError() const;
  56     bool            noError() const;
  57     void            clearError();
  58     void            assertNoError() const;
  59
  60 #if DYLD_IN_PROCESS
  61     const char*                     errorMessage() const;
  62 #else
  63     const std::string               prefix() const;
  64     std::string                     errorMessage() const;
  65     const std::set<std::string>     warnings() const;
  66     void                            clearWarnings();
  67 #endif
  68
  69 private:
  70     void*                    _buffer = nullptr;
  71 #if !DYLD_IN_PROCESS
  72     std::string              _prefix;
  73     std::set<std::string>    _warnings;
  74     bool                     _verbose = false;
  75 #endif
  76 };
  77
  78
  79
  80
  81 #endif // Diagnostics_h