1 //===-- sanitizer_suppressions.h --------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // Suppression parsing/matching code.
11 //
12 //===----------------------------------------------------------------------===//
13 #ifndef SANITIZER_SUPPRESSIONS_H
14 #define SANITIZER_SUPPRESSIONS_H
15 
16 #include "sanitizer_common.h"
17 #include "sanitizer_internal_defs.h"
18 
19 namespace __sanitizer {
20 
21 struct Suppression {
22   const char *type;
23   char *templ;
24   unsigned 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 = 16;
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
56