forked from OSchip/llvm-project
72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
//===--- HeaderFileExtensionsUtils.cpp - clang-tidy--------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "HeaderFileExtensionsUtils.h"
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#include "clang/Basic/CharInfo.h"
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#include "llvm/Support/Path.h"
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namespace clang {
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namespace tidy {
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namespace utils {
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bool isExpansionLocInHeaderFile(
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SourceLocation Loc, const SourceManager &SM,
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const HeaderFileExtensionsSet &HeaderFileExtensions) {
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SourceLocation ExpansionLoc = SM.getExpansionLoc(Loc);
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return isHeaderFileExtension(SM.getFilename(ExpansionLoc),
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HeaderFileExtensions);
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}
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bool isPresumedLocInHeaderFile(
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SourceLocation Loc, SourceManager &SM,
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const HeaderFileExtensionsSet &HeaderFileExtensions) {
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PresumedLoc PresumedLocation = SM.getPresumedLoc(Loc);
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return isHeaderFileExtension(PresumedLocation.getFilename(),
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HeaderFileExtensions);
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}
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bool isSpellingLocInHeaderFile(
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SourceLocation Loc, SourceManager &SM,
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const HeaderFileExtensionsSet &HeaderFileExtensions) {
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SourceLocation SpellingLoc = SM.getSpellingLoc(Loc);
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return isHeaderFileExtension(SM.getFilename(SpellingLoc),
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HeaderFileExtensions);
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}
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bool parseHeaderFileExtensions(StringRef AllHeaderFileExtensions,
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HeaderFileExtensionsSet &HeaderFileExtensions,
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char delimiter) {
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SmallVector<StringRef, 5> Suffixes;
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AllHeaderFileExtensions.split(Suffixes, delimiter);
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HeaderFileExtensions.clear();
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for (StringRef Suffix : Suffixes) {
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StringRef Extension = Suffix.trim();
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for (StringRef::const_iterator it = Extension.begin();
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it != Extension.end(); ++it) {
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if (!isAlphanumeric(*it))
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return false;
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}
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HeaderFileExtensions.insert(Extension);
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}
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return true;
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}
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bool isHeaderFileExtension(
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StringRef FileName, const HeaderFileExtensionsSet &HeaderFileExtensions) {
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StringRef extension = llvm::sys::path::extension(FileName);
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if (extension.empty())
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return false;
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// Skip "." prefix.
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return HeaderFileExtensions.count(extension.substr(1)) > 0;
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}
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} // namespace utils
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} // namespace tidy
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} // namespace clang
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