blob: abb60368d651601fd86a5ced22d45307c081feef (
plain)
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
|
//===--- HeaderGuardCheck.cpp - clang-tidy --------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "HeaderGuardCheck.h"
namespace clang {
namespace tidy {
bool LLVMHeaderGuardCheck::shouldFixHeaderGuard(StringRef Filename) {
return Filename.endswith(".h");
}
std::string LLVMHeaderGuardCheck::getHeaderGuard(StringRef Filename,
StringRef OldGuard) {
std::string Guard = tooling::getAbsolutePath(Filename);
// Sanitize the path. There are some rules for compatibility with the historic
// style in include/llvm and include/clang which we want to preserve.
// We don't want _INCLUDE_ in our guards.
size_t PosInclude = Guard.rfind("include/");
if (PosInclude != StringRef::npos)
Guard = Guard.substr(PosInclude + std::strlen("include/"));
// For clang we drop the _TOOLS_.
size_t PosToolsClang = Guard.rfind("tools/clang/");
if (PosToolsClang != StringRef::npos)
Guard = Guard.substr(PosToolsClang + std::strlen("tools/"));
// The remainder is LLVM_FULL_PATH_TO_HEADER_H
size_t PosLLVM = Guard.rfind("llvm/");
if (PosLLVM != StringRef::npos)
Guard = Guard.substr(PosLLVM);
std::replace(Guard.begin(), Guard.end(), '/', '_');
std::replace(Guard.begin(), Guard.end(), '.', '_');
std::replace(Guard.begin(), Guard.end(), '-', '_');
// The prevalent style in clang is LLVM_CLANG_FOO_BAR_H
if (StringRef(Guard).startswith("clang"))
Guard = "LLVM_" + Guard;
return StringRef(Guard).upper();
}
} // namespace tidy
} // namespace clang
|