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1 //===--- ClangTidyCheck.cpp - clang-tidy ------------------------*- C++ -*-===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8
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9 #include "ClangTidyCheck.h"
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10
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11 namespace clang {
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12 namespace tidy {
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13
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14 ClangTidyCheck::ClangTidyCheck(StringRef CheckName, ClangTidyContext *Context)
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15 : CheckName(CheckName), Context(Context),
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16 Options(CheckName, Context->getOptions().CheckOptions) {
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17 assert(Context != nullptr);
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18 assert(!CheckName.empty());
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19 }
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20
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21 DiagnosticBuilder ClangTidyCheck::diag(SourceLocation Loc, StringRef Message,
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22 DiagnosticIDs::Level Level) {
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23 return Context->diag(CheckName, Loc, Message, Level);
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24 }
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25
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26 void ClangTidyCheck::run(const ast_matchers::MatchFinder::MatchResult &Result) {
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27 // For historical reasons, checks don't implement the MatchFinder run()
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28 // callback directly. We keep the run()/check() distinction to avoid interface
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29 // churn, and to allow us to add cross-cutting logic in the future.
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30 check(Result);
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31 }
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32
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33 ClangTidyCheck::OptionsView::OptionsView(StringRef CheckName,
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34 const ClangTidyOptions::OptionMap &CheckOptions)
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35 : NamePrefix(CheckName.str() + "."), CheckOptions(CheckOptions) {}
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36
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37 std::string ClangTidyCheck::OptionsView::get(StringRef LocalName,
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38 StringRef Default) const {
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39 const auto &Iter = CheckOptions.find(NamePrefix + LocalName.str());
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40 if (Iter != CheckOptions.end())
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41 return Iter->second;
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42 return std::string(Default);
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43 }
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44
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45 std::string
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46 ClangTidyCheck::OptionsView::getLocalOrGlobal(StringRef LocalName,
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47 StringRef Default) const {
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48 auto Iter = CheckOptions.find(NamePrefix + LocalName.str());
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49 if (Iter != CheckOptions.end())
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50 return Iter->second;
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51 // Fallback to global setting, if present.
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52 Iter = CheckOptions.find(LocalName.str());
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53 if (Iter != CheckOptions.end())
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54 return Iter->second;
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55 return std::string(Default);
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56 }
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57
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58 void ClangTidyCheck::OptionsView::store(ClangTidyOptions::OptionMap &Options,
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59 StringRef LocalName,
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60 StringRef Value) const {
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61 Options[NamePrefix + LocalName.str()] = std::string(Value);
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62 }
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63
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64 void ClangTidyCheck::OptionsView::store(ClangTidyOptions::OptionMap &Options,
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65 StringRef LocalName,
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66 int64_t Value) const {
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67 store(Options, LocalName, llvm::itostr(Value));
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68 }
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69
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70 } // namespace tidy
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71 } // namespace clang
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