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
|
//===-- IncludeFixerTest.cpp - Include fixer unit tests -------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "InMemoryXrefsDB.h"
#include "IncludeFixer.h"
#include "XrefsDBManager.h"
#include "unittests/Tooling/RewriterTestContext.h"
#include "clang/Tooling/Tooling.h"
#include "gtest/gtest.h"
using namespace clang;
namespace clang {
namespace include_fixer {
namespace {
static bool runOnCode(tooling::ToolAction *ToolAction, StringRef Code,
StringRef FileName,
const std::vector<std::string> &ExtraArgs) {
llvm::IntrusiveRefCntPtr<vfs::InMemoryFileSystem> InMemoryFileSystem(
new vfs::InMemoryFileSystem);
llvm::IntrusiveRefCntPtr<FileManager> Files(
new FileManager(FileSystemOptions(), InMemoryFileSystem));
std::vector<std::string> Args = {"include_fixer", "-fsyntax-only", FileName};
Args.insert(Args.end(), ExtraArgs.begin(), ExtraArgs.end());
tooling::ToolInvocation Invocation(
Args, ToolAction, Files.get(),
std::make_shared<PCHContainerOperations>());
InMemoryFileSystem->addFile(FileName, 0,
llvm::MemoryBuffer::getMemBuffer(Code));
InMemoryFileSystem->addFile("foo.h", 0,
llvm::MemoryBuffer::getMemBuffer("\n"));
InMemoryFileSystem->addFile("dir/bar.h", 0,
llvm::MemoryBuffer::getMemBuffer("\n"));
InMemoryFileSystem->addFile("dir/otherdir/qux.h", 0,
llvm::MemoryBuffer::getMemBuffer("\n"));
return Invocation.run();
}
static std::string runIncludeFixer(
StringRef Code,
const std::vector<std::string> &ExtraArgs = std::vector<std::string>()) {
std::map<std::string, std::vector<std::string>> XrefsMap = {
{"std::string", {"<string>"}},
{"std::sting", {"\"sting\""}},
{"std::string::size_type", {"<string>"}},
{"a::b::foo", {"dir/otherdir/qux.h"}},
};
auto XrefsDBMgr = llvm::make_unique<include_fixer::XrefsDBManager>();
XrefsDBMgr->addXrefsDB(
llvm::make_unique<include_fixer::InMemoryXrefsDB>(std::move(XrefsMap)));
std::vector<clang::tooling::Replacement> Replacements;
IncludeFixerActionFactory Factory(*XrefsDBMgr, Replacements);
runOnCode(&Factory, Code, "input.cc", ExtraArgs);
clang::RewriterTestContext Context;
clang::FileID ID = Context.createInMemoryFile("input.cc", Code);
clang::tooling::applyAllReplacements(Replacements, Context.Rewrite);
return Context.getRewrittenText(ID);
}
TEST(IncludeFixer, Typo) {
EXPECT_EQ("#include <string>\nstd::string foo;\n",
runIncludeFixer("std::string foo;\n"));
EXPECT_EQ(
"// comment\n#include <string>\n#include \"foo.h\"\nstd::string foo;\n"
"#include \"dir/bar.h\"\n",
runIncludeFixer("// comment\n#include \"foo.h\"\nstd::string foo;\n"
"#include \"dir/bar.h\"\n"));
EXPECT_EQ("#include <string>\n#include \"foo.h\"\nstd::string foo;\n",
runIncludeFixer("#include \"foo.h\"\nstd::string foo;\n"));
EXPECT_EQ(
"#include <string>\n#include \"foo.h\"\nstd::string::size_type foo;\n",
runIncludeFixer("#include \"foo.h\"\nstd::string::size_type foo;\n"));
// string without "std::" can also be fixed since fixed db results go through
// XrefsDBManager, and XrefsDBManager matches unqualified identifiers too.
EXPECT_EQ("#include <string>\nstring foo;\n",
runIncludeFixer("string foo;\n"));
}
TEST(IncludeFixer, IncompleteType) {
EXPECT_EQ(
"#include <string>\n#include \"foo.h\"\n"
"namespace std {\nclass string;\n}\nstring foo;\n",
runIncludeFixer("#include \"foo.h\"\n"
"namespace std {\nclass string;\n}\nstring foo;\n"));
}
TEST(IncludeFixer, MinimizeInclude) {
std::vector<std::string> IncludePath = {"-Idir/"};
EXPECT_EQ("#include \"otherdir/qux.h\"\na::b::foo bar;\n",
runIncludeFixer("a::b::foo bar;\n", IncludePath));
IncludePath = {"-isystemdir"};
EXPECT_EQ("#include <otherdir/qux.h>\na::b::foo bar;\n",
runIncludeFixer("a::b::foo bar;\n", IncludePath));
IncludePath = {"-iquotedir"};
EXPECT_EQ("#include \"otherdir/qux.h\"\na::b::foo bar;\n",
runIncludeFixer("a::b::foo bar;\n", IncludePath));
IncludePath = {"-Idir", "-Idir/otherdir"};
EXPECT_EQ("#include \"qux.h\"\na::b::foo bar;\n",
runIncludeFixer("a::b::foo bar;\n", IncludePath));
}
TEST(IncludeFixer, NestedName) {
EXPECT_EQ("#include \"dir/otherdir/qux.h\"\n"
"namespace a {}\nint a = a::b::foo(0);\n",
runIncludeFixer("namespace a {}\nint a = a::b::foo(0);\n"));
}
TEST(IncludeFixer, MultipleMissingSymbols) {
EXPECT_EQ("#include <string>\nstd::string bar;\nstd::sting foo;\n",
runIncludeFixer("std::string bar;\nstd::sting foo;\n"));
}
} // namespace
} // namespace include_fixer
} // namespace clang
|
