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
|
//===- DebugSupport.cpp -----------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines functions which generate more readable forms of data
// structures used in the dataflow analyses, for debugging purposes.
//
//===----------------------------------------------------------------------===//
#include <utility>
#include "clang/Analysis/FlowSensitive/DebugSupport.h"
#include "clang/Analysis/FlowSensitive/Solver.h"
#include "clang/Analysis/FlowSensitive/Value.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/ErrorHandling.h"
namespace clang {
namespace dataflow {
llvm::StringRef debugString(Value::Kind Kind) {
switch (Kind) {
case Value::Kind::Integer:
return "Integer";
case Value::Kind::Reference:
return "Reference";
case Value::Kind::Pointer:
return "Pointer";
case Value::Kind::Struct:
return "Struct";
case Value::Kind::AtomicBool:
return "AtomicBool";
case Value::Kind::TopBool:
return "TopBool";
case Value::Kind::FormulaBool:
return "FormulaBool";
}
llvm_unreachable("Unhandled value kind");
}
llvm::raw_ostream &operator<<(llvm::raw_ostream &OS,
Solver::Result::Assignment Assignment) {
switch (Assignment) {
case Solver::Result::Assignment::AssignedFalse:
return OS << "False";
case Solver::Result::Assignment::AssignedTrue:
return OS << "True";
}
llvm_unreachable("Booleans can only be assigned true/false");
}
llvm::StringRef debugString(Solver::Result::Status Status) {
switch (Status) {
case Solver::Result::Status::Satisfiable:
return "Satisfiable";
case Solver::Result::Status::Unsatisfiable:
return "Unsatisfiable";
case Solver::Result::Status::TimedOut:
return "TimedOut";
}
llvm_unreachable("Unhandled SAT check result status");
}
llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, const Solver::Result &R) {
OS << debugString(R.getStatus()) << "\n";
if (auto Solution = R.getSolution()) {
std::vector<std::pair<Atom, Solver::Result::Assignment>> Sorted = {
Solution->begin(), Solution->end()};
llvm::sort(Sorted);
for (const auto &Entry : Sorted)
OS << Entry.first << " = " << Entry.second << "\n";
}
return OS;
}
} // namespace dataflow
} // namespace clang
|
