1 // REQUIRES: plugins 2 // RUN: clang-tidy -checks='-*,mytest*' --list-checks -load %llvmshlibdir/CTTestTidyModule%pluginext | FileCheck --check-prefix=CHECK-LIST %s 3 // CHECK-LIST: Enabled checks: 4 // CHECK-LIST-NEXT: mytest1 5 // CHECK-LIST-NEXT: mytest2 6 // RUN: clang-tidy -checks='-*,mytest*,misc-definitions-in-headers' -load %llvmshlibdir/CTTestTidyModule%pluginext /dev/null -- -xc 2>&1 | FileCheck %s 7 // CHECK: 3 warnings generated. 8 // CHECK-NEXT: warning: mytest success [misc-definitions-in-headers,mytest1,mytest2] 9 10 #include "clang-tidy/ClangTidy.h" 11 #include "clang-tidy/ClangTidyCheck.h" 12 #include "clang-tidy/ClangTidyModule.h" 13 #include "clang-tidy/ClangTidyModuleRegistry.h" 14 #include "clang/AST/ASTContext.h" 15 #include "clang/ASTMatchers/ASTMatchFinder.h" 16 17 using namespace clang; 18 using namespace clang::tidy; 19 using namespace clang::ast_matchers; 20 21 namespace { 22 class MyTestCheck : public ClangTidyCheck { 23 24 public: MyTestCheck(StringRef Name,ClangTidyContext * Context)25 MyTestCheck(StringRef Name, ClangTidyContext *Context) 26 : ClangTidyCheck(Name, Context) {} 27 registerMatchers(ast_matchers::MatchFinder * Finder)28 void registerMatchers(ast_matchers::MatchFinder *Finder) override { 29 Finder->addMatcher(translationUnitDecl().bind("tu"), this); 30 } 31 check(const ast_matchers::MatchFinder::MatchResult & Result)32 void check(const ast_matchers::MatchFinder::MatchResult &Result) override { 33 auto S = Result.Nodes.getNodeAs<TranslationUnitDecl>("tu"); 34 if (S) 35 diag("mytest success"); 36 } 37 38 private: 39 }; 40 41 class CTTestModule : public ClangTidyModule { 42 public: addCheckFactories(ClangTidyCheckFactories & CheckFactories)43 void addCheckFactories(ClangTidyCheckFactories &CheckFactories) override { 44 CheckFactories.registerCheck<MyTestCheck>("mytest1"); 45 CheckFactories.registerCheck<MyTestCheck>("mytest2"); 46 // intentionally collide with an existing test name, overriding it 47 CheckFactories.registerCheck<MyTestCheck>("misc-definitions-in-headers"); 48 } 49 }; 50 } // namespace 51 52 namespace tidy1 { 53 // Register the CTTestTidyModule using this statically initialized variable. 54 static ClangTidyModuleRegistry::Add<::CTTestModule> 55 X("mytest-module", "Adds my checks."); 56 } // namespace tidy1 57 58 namespace tidy2 { 59 // intentionally collide with an existing test group name, merging with it 60 static ClangTidyModuleRegistry::Add<::CTTestModule> 61 X("misc-module", "Adds miscellaneous lint checks."); 62 } // namespace tidy2 63 64 // This anchor is used to force the linker to link in the generated object file 65 // and thus register the CTTestModule. 66 volatile int CTTestModuleAnchorSource = 0; 67