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1 //== TaintManager.h - Managing taint --------------------------- -*- 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 //  This file provides APIs for adding, removing, querying symbol taint.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #ifndef LLVM_CLANG_TAINTMANAGER_H
15 #define LLVM_CLANG_TAINTMANAGER_H
16
17 #include "clang/StaticAnalyzer/Core/BugReporter/PathDiagnostic.h"
18 #include "clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h"
19 #include "clang/StaticAnalyzer/Core/PathSensitive/ProgramStateTrait.h"
20 #include "clang/StaticAnalyzer/Core/PathSensitive/TaintTag.h"
21 #include "llvm/ADT/ImmutableMap.h"
22
23 namespace clang {
24 namespace ento {
25
26 /// The GDM component containing the tainted root symbols. We lazily infer the
27 /// taint of the dependent symbols. Currently, this is a map from a symbol to
28 /// tag kind. TODO: Should support multiple tag kinds.
29 // FIXME: This does not use the nice trait macros because it must be accessible
30 // from multiple translation units.
31 struct TaintMap {};
32 typedef llvm::ImmutableMap<SymbolRef, TaintTagType> TaintMapImpl;
33 template<> struct ProgramStateTrait<TaintMap>
34     :  public ProgramStatePartialTrait<TaintMapImpl> {
35   static void *GDMIndex() { static int index = 0; return &index; }
36 };
37
38 class TaintManager {
39
40   TaintManager() {}
41 };
42
43 }
44 }
45
46 #endif