1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
// BugReporter.h - Generate PathDiagnostics ----------*- C++ -*--//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines BugReporter, a utility class for generating
// PathDiagnostics for analyses based on ValueState.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_ANALYSIS_BUGREPORTER
#define LLVM_CLANG_ANALYSIS_BUGREPORTER
#include "clang/Analysis/PathSensitive/ValueState.h"
#include "clang/Analysis/PathSensitive/ExplodedGraph.h"
#include "llvm/ADT/SmallPtrSet.h"
namespace clang {
class PathDiagnostic;
class PathDiagnosticPiece;
class PathDiagnosticClient;
class ASTContext;
class Diagnostic;
class BugReporter;
class GRExprEngine;
class ValueState;
class BugType {
public:
BugType() {}
virtual ~BugType();
virtual const char* getName() const = 0;
virtual const char* getDescription() const { return getName(); }
virtual void EmitWarnings(BugReporter& BR) {}
};
class BugReport {
const BugType& Desc;
public:
BugReport(const BugType& D) : Desc(D) {}
virtual ~BugReport();
const BugType& getBugType() const { return Desc; }
const char* getName() const { return getBugType().getName(); }
virtual const char* getDescription() const {
return getBugType().getDescription();
}
virtual PathDiagnosticPiece* getEndPath(ASTContext& Ctx,
ExplodedNode<ValueState> *N) const;
virtual void getRanges(const SourceRange*& beg,
const SourceRange*& end) const;
virtual PathDiagnosticPiece* VisitNode(ExplodedNode<ValueState>* N,
ExplodedNode<ValueState>* PrevN,
ExplodedGraph<ValueState>& G,
ASTContext& Ctx);
};
class BugReporter {
llvm::SmallPtrSet<void*,10> CachedErrors;
Diagnostic& Diag;
PathDiagnosticClient* PD;
ASTContext& Ctx;
GRExprEngine& Eng;
public:
BugReporter(Diagnostic& diag, PathDiagnosticClient* pd,
ASTContext& ctx, GRExprEngine& eng)
: Diag(diag), PD(pd), Ctx(ctx), Eng(eng) {}
~BugReporter();
Diagnostic& getDiagnostic() { return Diag; }
PathDiagnosticClient* getDiagnosticClient() { return PD; }
ASTContext& getContext() { return Ctx; }
ExplodedGraph<ValueState>& getGraph();
GRExprEngine& getEngine() { return Eng; }
void EmitPathWarning(BugReport& R, ExplodedNode<ValueState>* N);
void EmitWarning(BugReport& R, ExplodedNode<ValueState>* N);
void clearCache() { CachedErrors.clear(); }
bool IsCached(ExplodedNode<ValueState>* N);
void GeneratePathDiagnostic(PathDiagnostic& PD, BugReport& R,
ExplodedNode<ValueState>* N);
};
} // end clang namespace
#endif
|
