[clang-tidy] Recognize transformer checks as providing fixits

- Recognize older checks that might not end with Check.cpp
- Update list of checks based on improvements to add_new_check
- Fix spelling error in TransformerClangTidyCheck.h

Fixes #52962

Differential Revision: https://reviews.llvm.org/D116550

clang-tools-extra/clang-tidy/add_new_check.py

@@ -324,16 +324,20 @@ def has_auto_fix(check_name):
     dirname, _, check_name = check_name.partition("-")
 
     checker_code = get_actual_filename(os.path.join(clang_tidy_path, dirname),
-                                       get_camel_name(check_name) + '.cpp')
-
+                                       get_camel_check_name(check_name) + '.cpp')
     if not os.path.isfile(checker_code):
-      return ""
+      # Some older checks don't end with 'Check.cpp'
+      checker_code = get_actual_filename(os.path.join(clang_tidy_path, dirname),
+                                         get_camel_name(check_name) + '.cpp')
+      if not os.path.isfile(checker_code):
+        return ''
 
     with io.open(checker_code, encoding='utf8') as f:
       code = f.read()
-      if 'FixItHint' in code or "ReplacementText" in code or "fixit" in code:
-        # Some simple heuristics to figure out if a checker has an autofix or not.
-        return ' "Yes"'
+      for needle in ['FixItHint', 'ReplacementText', 'fixit', 'TransformerClangTidyCheck']:
+        if needle in code:
+          # Some simple heuristics to figure out if a checker has an autofix or not.
+          return ' "Yes"'
     return ""
 
   def process_doc(doc_file):
@@ -416,7 +420,11 @@ def write_docs(module_path, module, check_name):
 
 def get_camel_name(check_name):
   return ''.join(map(lambda elem: elem.capitalize(),
-                     check_name.split('-'))) + 'Check'
+                     check_name.split('-')))
+
+
+def get_camel_check_name(check_name):
+  return get_camel_name(check_name) + 'Check'
 
 
 def main():
@@ -458,7 +466,7 @@ def main():
 
   module = args.module
   check_name = args.check
-  check_name_camel = get_camel_name(check_name)
+  check_name_camel = get_camel_check_name(check_name)
   if check_name.startswith(module):
     print('Check name "%s" must not start with the module "%s". Exiting.' % (
         check_name, module))

clang-tools-extra/clang-tidy/utils/TransformerClangTidyCheck.h

@@ -54,7 +54,7 @@ class TransformerClangTidyCheck : public ClangTidyCheck {
                             StringRef Name, ClangTidyContext *Context);
 
   /// Convenience overload of the constructor when the rule doesn't have any
-  /// dependies.
+  /// dependencies.
   TransformerClangTidyCheck(transformer::RewriteRule R, StringRef Name,
                             ClangTidyContext *Context);
 

clang-tools-extra/docs/clang-tidy/checks/list.rst

@@ -116,13 +116,12 @@ Clang-Tidy Checks
    `cert-dcl50-cpp <cert-dcl50-cpp.html>`_,
    `cert-dcl58-cpp <cert-dcl58-cpp.html>`_,
    `cert-env33-c <cert-env33-c.html>`_,
+   `cert-err33-c <cert-err33-c.html>`_,
    `cert-err34-c <cert-err34-c.html>`_,
    `cert-err52-cpp <cert-err52-cpp.html>`_,
    `cert-err58-cpp <cert-err58-cpp.html>`_,
    `cert-err60-cpp <cert-err60-cpp.html>`_,
-   `cert-exp42-c <cert-exp42-c.html>`_,
    `cert-flp30-c <cert-flp30-c.html>`_,
-   `cert-flp37-c <cert-flp37-c.html>`_,
    `cert-mem57-cpp <cert-mem57-cpp.html>`_,
    `cert-msc50-cpp <cert-msc50-cpp.html>`_,
    `cert-msc51-cpp <cert-msc51-cpp.html>`_,
@@ -213,7 +212,7 @@ Clang-Tidy Checks
    `llvmlibc-implementation-in-namespace <llvmlibc-implementation-in-namespace.html>`_,
    `llvmlibc-restrict-system-libc-headers <llvmlibc-restrict-system-libc-headers.html>`_, "Yes"
    `misc-definitions-in-headers <misc-definitions-in-headers.html>`_, "Yes"
-   `misc-misleading-identifier <misc-mileading-identifier.html>`_,
+   `misc-misleading-identifier <misc-misleading-identifier.html>`_,
    `misc-misplaced-const <misc-misplaced-const.html>`_,
    `misc-new-delete-overloads <misc-new-delete-overloads.html>`_,
    `misc-no-recursion <misc-no-recursion.html>`_,
@@ -260,8 +259,8 @@ Clang-Tidy Checks
    `modernize-use-using <modernize-use-using.html>`_, "Yes"
    `mpi-buffer-deref <mpi-buffer-deref.html>`_, "Yes"
    `mpi-type-mismatch <mpi-type-mismatch.html>`_, "Yes"
-   `objc-avoid-nserror-init <objc-avoid-nserror-init.html>`_,
    `objc-assert-equals <objc-assert-equals.html>`_, "Yes"
+   `objc-avoid-nserror-init <objc-avoid-nserror-init.html>`_,
    `objc-dealloc-in-category <objc-dealloc-in-category.html>`_,
    `objc-forbidden-subclassing <objc-forbidden-subclassing.html>`_,
    `objc-missing-hash <objc-missing-hash.html>`_,
@@ -283,16 +282,16 @@ Clang-Tidy Checks
    `performance-noexcept-move-constructor <performance-noexcept-move-constructor.html>`_, "Yes"
    `performance-trivially-destructible <performance-trivially-destructible.html>`_, "Yes"
    `performance-type-promotion-in-math-fn <performance-type-promotion-in-math-fn.html>`_, "Yes"
-   `performance-unnecessary-copy-initialization <performance-unnecessary-copy-initialization.html>`_,
+   `performance-unnecessary-copy-initialization <performance-unnecessary-copy-initialization.html>`_, "Yes"
    `performance-unnecessary-value-param <performance-unnecessary-value-param.html>`_, "Yes"
    `portability-restrict-system-includes <portability-restrict-system-includes.html>`_, "Yes"
    `portability-simd-intrinsics <portability-simd-intrinsics.html>`_,
-   `readability-avoid-const-params-in-decls <readability-avoid-const-params-in-decls.html>`_,
+   `readability-avoid-const-params-in-decls <readability-avoid-const-params-in-decls.html>`_, "Yes"
    `readability-braces-around-statements <readability-braces-around-statements.html>`_, "Yes"
    `readability-const-return-type <readability-const-return-type.html>`_, "Yes"
    `readability-container-data-pointer <readability-container-data-pointer.html>`_, "Yes"
    `readability-container-size-empty <readability-container-size-empty.html>`_, "Yes"
-   `readability-convert-member-functions-to-static <readability-convert-member-functions-to-static.html>`_,
+   `readability-convert-member-functions-to-static <readability-convert-member-functions-to-static.html>`_, "Yes"
    `readability-delete-null-pointer <readability-delete-null-pointer.html>`_, "Yes"
    `readability-else-after-return <readability-else-after-return.html>`_, "Yes"
    `readability-function-cognitive-complexity <readability-function-cognitive-complexity.html>`_,
@@ -338,13 +337,14 @@ Clang-Tidy Checks
    `cert-dcl03-c <cert-dcl03-c.html>`_, `misc-static-assert <misc-static-assert.html>`_, "Yes"
    `cert-dcl16-c <cert-dcl16-c.html>`_, `readability-uppercase-literal-suffix <readability-uppercase-literal-suffix.html>`_, "Yes"
    `cert-dcl37-c <cert-dcl37-c.html>`_, `bugprone-reserved-identifier <bugprone-reserved-identifier.html>`_, "Yes"
-   `cert-err33-c <cert-err33-c.html>`_, `bugprone-unused-return-value <bugprone-unused-return-value.html>`_,
    `cert-dcl51-cpp <cert-dcl51-cpp.html>`_, `bugprone-reserved-identifier <bugprone-reserved-identifier.html>`_, "Yes"
    `cert-dcl54-cpp <cert-dcl54-cpp.html>`_, `misc-new-delete-overloads <misc-new-delete-overloads.html>`_,
    `cert-dcl59-cpp <cert-dcl59-cpp.html>`_, `google-build-namespaces <google-build-namespaces.html>`_,
    `cert-err09-cpp <cert-err09-cpp.html>`_, `misc-throw-by-value-catch-by-reference <misc-throw-by-value-catch-by-reference.html>`_,
    `cert-err61-cpp <cert-err61-cpp.html>`_, `misc-throw-by-value-catch-by-reference <misc-throw-by-value-catch-by-reference.html>`_,
+   `cert-exp42-c <cert-exp42-c.html>`_, `bugprone-suspicious-memory-comparison <bugprone-suspicious-memory-comparison.html>`_,
    `cert-fio38-c <cert-fio38-c.html>`_, `misc-non-copyable-objects <misc-non-copyable-objects.html>`_,
+   `cert-flp37-c <cert-flp37-c.html>`_, `bugprone-suspicious-memory-comparison <bugprone-suspicious-memory-comparison.html>`_,
    `cert-msc30-c <cert-msc30-c.html>`_, `cert-msc50-cpp <cert-msc50-cpp.html>`_,
    `cert-msc32-c <cert-msc32-c.html>`_, `cert-msc51-cpp <cert-msc51-cpp.html>`_,
    `cert-oop11-cpp <cert-oop11-cpp.html>`_, `performance-move-constructor-init <performance-move-constructor-init.html>`_,