[PATCH] D91872: [libTooling] Update Transformer's `node` combinator to include the trailing semicolon for decls.

[Yitzhak Mandelbaum via Phabricator via cfe-commits]

ymandel updated this revision to Diff 306707.
ymandel added a comment.

Clarified that semicolons are only removed if present. Fixed test.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D91872/new/

https://reviews.llvm.org/D91872

Files:
  clang-tools-extra/unittests/clang-tidy/TransformerClangTidyCheckTest.cpp
  clang/include/clang/Tooling/Transformer/RangeSelector.h
  clang/lib/Tooling/Transformer/RangeSelector.cpp


Index: clang/lib/Tooling/Transformer/RangeSelector.cpp
===================================================================
--- clang/lib/Tooling/Transformer/RangeSelector.cpp
+++ clang/lib/Tooling/Transformer/RangeSelector.cpp
@@ -142,7 +142,8 @@
     Expected<DynTypedNode> Node = getNode(Result.Nodes, ID);
     if (!Node)
       return Node.takeError();
-    return Node->get<Stmt>() != nullptr && Node->get<Expr>() == nullptr
+    return (Node->get<Decl>() != nullptr ||
+            (Node->get<Stmt>() != nullptr && Node->get<Expr>() == nullptr))
                ? tooling::getExtendedRange(*Node, tok::TokenKind::semi,
                                            *Result.Context)
                : CharSourceRange::getTokenRange(Node->getSourceRange());
Index: clang/include/clang/Tooling/Transformer/RangeSelector.h
===================================================================
--- clang/include/clang/Tooling/Transformer/RangeSelector.h
+++ clang/include/clang/Tooling/Transformer/RangeSelector.h
@@ -61,8 +61,8 @@
   return enclose(after(std::move(R1)), before(std::move(R2)));
 }
 
-/// Selects a node, including trailing semicolon (for non-expression
-/// statements). \p ID is the node's binding in the match result.
+/// Selects a node, including trailing semicolon, if any (for declarations and
+/// non-expression statements). \p ID is the node's binding in the match result.
 RangeSelector node(std::string ID);
 
 /// Selects a node, including trailing semicolon (always). Useful for selecting
Index: clang-tools-extra/unittests/clang-tidy/TransformerClangTidyCheckTest.cpp
===================================================================
--- clang-tools-extra/unittests/clang-tidy/TransformerClangTidyCheckTest.cpp
+++ clang-tools-extra/unittests/clang-tidy/TransformerClangTidyCheckTest.cpp
@@ -148,7 +148,7 @@
   if (Options.get("Skip", "false") == "true")
     return None;
   return tooling::makeRule(clang::ast_matchers::functionDecl(),
-                           change(cat("void nothing()")), cat("no message"));
+                           changeTo(cat("void nothing();")), cat("no message"));
 }
 
 class ConfigurableCheck : public TransformerClangTidyCheck {


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