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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
//===- AnalyzerOptions.cpp - Analysis Engine Options ----------------------===//
//
// 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 contains special accessors for analyzer configuration options
// with string representations.
//
//===----------------------------------------------------------------------===//
#include "clang/StaticAnalyzer/Core/AnalyzerOptions.h"
#include "clang/StaticAnalyzer/Core/Checker.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>
#include <cstddef>
#include <utility>
#include <vector>
using namespace clang;
using namespace ento;
using namespace llvm;
std::vector<StringRef>
AnalyzerOptions::getRegisteredCheckers(bool IncludeExperimental /* = false */) {
static const StringRef StaticAnalyzerChecks[] = {
#define GET_CHECKERS
#define CHECKER(FULLNAME, CLASS, HELPTEXT, DOC_URI, IS_HIDDEN) \
FULLNAME,
#include "clang/StaticAnalyzer/Checkers/Checkers.inc"
#undef CHECKER
#undef GET_CHECKERS
};
std::vector<StringRef> Result;
for (StringRef CheckName : StaticAnalyzerChecks) {
if (!CheckName.startswith("debug.") &&
(IncludeExperimental || !CheckName.startswith("alpha.")))
Result.push_back(CheckName);
}
return Result;
}
ExplorationStrategyKind
AnalyzerOptions::getExplorationStrategy() const {
auto K =
llvm::StringSwitch<llvm::Optional<ExplorationStrategyKind>>(
ExplorationStrategy)
.Case("dfs", ExplorationStrategyKind::DFS)
.Case("bfs", ExplorationStrategyKind::BFS)
.Case("unexplored_first",
ExplorationStrategyKind::UnexploredFirst)
.Case("unexplored_first_queue",
ExplorationStrategyKind::UnexploredFirstQueue)
.Case("unexplored_first_location_queue",
ExplorationStrategyKind::UnexploredFirstLocationQueue)
.Case("bfs_block_dfs_contents",
ExplorationStrategyKind::BFSBlockDFSContents)
.Default(None);
assert(K.hasValue() && "User mode is invalid.");
return K.getValue();
}
IPAKind AnalyzerOptions::getIPAMode() const {
auto K = llvm::StringSwitch<llvm::Optional<IPAKind>>(IPAMode)
.Case("none", IPAK_None)
.Case("basic-inlining", IPAK_BasicInlining)
.Case("inlining", IPAK_Inlining)
.Case("dynamic", IPAK_DynamicDispatch)
.Case("dynamic-bifurcate", IPAK_DynamicDispatchBifurcate)
.Default(None);
assert(K.hasValue() && "IPA Mode is invalid.");
return K.getValue();
}
bool
AnalyzerOptions::mayInlineCXXMemberFunction(
CXXInlineableMemberKind Param) const {
if (getIPAMode() < IPAK_Inlining)
return false;
auto K =
llvm::StringSwitch<llvm::Optional<CXXInlineableMemberKind>>(
CXXMemberInliningMode)
.Case("constructors", CIMK_Constructors)
.Case("destructors", CIMK_Destructors)
.Case("methods", CIMK_MemberFunctions)
.Case("none", CIMK_None)
.Default(None);
assert(K.hasValue() && "Invalid c++ member function inlining mode.");
return *K >= Param;
}
StringRef AnalyzerOptions::getCheckerStringOption(StringRef CheckerName,
StringRef OptionName,
StringRef DefaultVal,
bool SearchInParents ) const {
assert(!CheckerName.empty() &&
"Empty checker name! Make sure the checker object (including it's "
"bases!) if fully initialized before calling this function!");
ConfigTable::const_iterator E = Config.end();
do {
ConfigTable::const_iterator I =
Config.find((Twine(CheckerName) + ":" + OptionName).str());
if (I != E)
return StringRef(I->getValue());
size_t Pos = CheckerName.rfind('.');
if (Pos == StringRef::npos)
return DefaultVal;
CheckerName = CheckerName.substr(0, Pos);
} while (!CheckerName.empty() && SearchInParents);
return DefaultVal;
}
StringRef AnalyzerOptions::getCheckerStringOption(const ento::CheckerBase *C,
StringRef OptionName,
StringRef DefaultVal,
bool SearchInParents ) const {
return getCheckerStringOption(
C->getTagDescription(), OptionName, DefaultVal, SearchInParents);
}
bool AnalyzerOptions::getCheckerBooleanOption(StringRef CheckerName,
StringRef OptionName,
bool DefaultVal,
bool SearchInParents ) const {
// FIXME: We should emit a warning here if the value is something other than
// "true", "false", or the empty string (meaning the default value),
// but the AnalyzerOptions doesn't have access to a diagnostic engine.
return llvm::StringSwitch<bool>(
getCheckerStringOption(CheckerName, OptionName,
DefaultVal ? "true" : "false",
SearchInParents))
.Case("true", true)
.Case("false", false)
.Default(DefaultVal);
}
bool AnalyzerOptions::getCheckerBooleanOption(const ento::CheckerBase *C,
StringRef OptionName,
bool DefaultVal,
bool SearchInParents ) const {
return getCheckerBooleanOption(
C->getTagDescription(), OptionName, DefaultVal, SearchInParents);
}
int AnalyzerOptions::getCheckerIntegerOption(StringRef CheckerName,
StringRef OptionName,
int DefaultVal,
bool SearchInParents ) const {
int Ret = DefaultVal;
bool HasFailed = getCheckerStringOption(CheckerName, OptionName,
std::to_string(DefaultVal),
SearchInParents)
.getAsInteger(10, Ret);
assert(!HasFailed && "analyzer-config option should be numeric");
(void)HasFailed;
return Ret;
}
int AnalyzerOptions::getCheckerIntegerOption(const ento::CheckerBase *C,
StringRef OptionName,
int DefaultVal,
bool SearchInParents ) const {
return getCheckerIntegerOption(
C->getTagDescription(), OptionName, DefaultVal, SearchInParents);
}
|
