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   Suppression() { internal_memset(this, 0, sizeof(*this)); }
  22   const char *type;
  23   char *templ;
  24   atomic_uint32_t hit_count;
  25   uptr weight;
  26 };
  27
  28 class SuppressionContext {
  29  public:
  30   // Create new SuppressionContext capable of parsing given suppression types.
  31   SuppressionContext(const char *supprression_types[],
  32                      int suppression_types_num);
  33
  34   void ParseFromFile(const char *filename);
  35   void Parse(const char *str);
  36
  37   bool Match(const char *str, const char *type, Suppression **s);
  38   uptr SuppressionCount() const;
  39   bool HasSuppressionType(const char *type) const;
  40   const Suppression *SuppressionAt(uptr i) const;
  41   void GetMatched(InternalMmapVector<Suppression *> *matched);
  42
  43  private:
  44   static const int kMaxSuppressionTypes = 32;
  45   const char **const suppression_types_;
  46   const int suppression_types_num_;
  47
  48   InternalMmapVector<Suppression> suppressions_;
  49   bool has_suppression_type_[kMaxSuppressionTypes];
  50   bool can_parse_;
  51 };
  52
  53 }  // namespace __sanitizer
  54
  55 #endif  // SANITIZER_SUPPRESSIONS_H