libsanitizer/sanitizer_common/sanitizer_suppressions.h

   1 //===-- sanitizer_suppressions.h --------------------------------*- C++ -*-===//
   2 //
   3 // This file is distributed under the University of Illinois Open Source
   4 // License. See LICENSE.TXT for details.
   5 //
   6 //===----------------------------------------------------------------------===//
   7 //
   8 // Suppression parsing/matching code.
   9 //
  10 //===----------------------------------------------------------------------===//
  11 #ifndef SANITIZER_SUPPRESSIONS_H
  12 #define SANITIZER_SUPPRESSIONS_H
  13
  14 #include "sanitizer_common.h"
  15 #include "sanitizer_atomic.h"
  16 #include "sanitizer_internal_defs.h"
  17
  18 namespace __sanitizer {
  19
  20 struct Suppression {
  21   const char *type;
  22   char *templ;
  23   atomic_uint32_t hit_count;
  24   uptr weight;
  25 };
  26
  27 class SuppressionContext {
  28  public:
  29   // Create new SuppressionContext capable of parsing given suppression types.
  30   SuppressionContext(const char *supprression_types[],
  31                      int suppression_types_num);
  32
  33   void ParseFromFile(const char *filename);
  34   void Parse(const char *str);
  35
  36   bool Match(const char *str, const char *type, Suppression **s);
  37   uptr SuppressionCount() const;
  38   bool HasSuppressionType(const char *type) const;
  39   const Suppression *SuppressionAt(uptr i) const;
  40   void GetMatched(InternalMmapVector<Suppression *> *matched);
  41
  42  private:
  43   static const int kMaxSuppressionTypes = 16;
  44   const char **const suppression_types_;
  45   const int suppression_types_num_;
  46
  47   InternalMmapVector<Suppression> suppressions_;
  48   bool has_suppression_type_[kMaxSuppressionTypes];
  49   bool can_parse_;
  50 };
  51
  52 }  // namespace __sanitizer
  53
  54 #endif  // SANITIZER_SUPPRESSIONS_H