[PATCH] D100778: [clang-format] Prevent extraneous space insertion in bitshift operators

[Luis Penagos via Phabricator via cfe-commits]

penagos created this revision.
penagos added reviewers: Saldivarcher, MyDeveloperDay, JakeMerdichAMD, krasimir.
penagos requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

This serves to augment the improvements made in 
https://reviews.llvm.org/D86581. It prevents clang-format from interpreting 
bitshift operators as template arguments in certain circumstances.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D100778

Files:
  clang/lib/Format/TokenAnnotator.cpp
  clang/unittests/Format/FormatTest.cpp


Index: clang/unittests/Format/FormatTest.cpp
===================================================================
--- clang/unittests/Format/FormatTest.cpp
+++ clang/unittests/Format/FormatTest.cpp
@@ -7649,6 +7649,7 @@
   verifyFormat("a<int> = 1;", Style);
   verifyFormat("a<int> >>= 1;", Style);
 
+  verifyFormat("test < a - 1 >> 1;");
   verifyFormat("test >> a >> b;");
   verifyFormat("test << a >> b;");
 
Index: clang/lib/Format/TokenAnnotator.cpp
===================================================================
--- clang/lib/Format/TokenAnnotator.cpp
+++ clang/lib/Format/TokenAnnotator.cpp
@@ -119,7 +119,10 @@
         // a statement.
         if (CurrentToken->Next && CurrentToken->Next->is(tok::greater) &&
             Left->ParentBracket != tok::less &&
-            isKeywordWithCondition(*Line.First))
+            (isKeywordWithCondition(*Line.First) ||
+             CurrentToken->getStartOfNonWhitespace() ==
+                 
CurrentToken->Next->getStartOfNonWhitespace().getLocWithOffset(
+                     -1)))
           return false;
         Left->MatchingParen = CurrentToken;
         CurrentToken->MatchingParen = Left;



Index: clang/unittests/Format/FormatTest.cpp
===================================================================
--- clang/unittests/Format/FormatTest.cpp
+++ clang/unittests/Format/FormatTest.cpp
@@ -7649,6 +7649,7 @@
   verifyFormat("a<int> = 1;", Style);
   verifyFormat("a<int> >>= 1;", Style);
 
+  verifyFormat("test < a - 1 >> 1;");
   verifyFormat("test >> a >> b;");
   verifyFormat("test << a >> b;");
 
Index: clang/lib/Format/TokenAnnotator.cpp
===================================================================
--- clang/lib/Format/TokenAnnotator.cpp
+++ clang/lib/Format/TokenAnnotator.cpp
@@ -119,7 +119,10 @@
         // a statement.
         if (CurrentToken->Next && CurrentToken->Next->is(tok::greater) &&
             Left->ParentBracket != tok::less &&
-            isKeywordWithCondition(*Line.First))
+            (isKeywordWithCondition(*Line.First) ||
+             CurrentToken->getStartOfNonWhitespace() ==
+                 CurrentToken->Next->getStartOfNonWhitespace().getLocWithOffset(
+                     -1)))
           return false;
         Left->MatchingParen = CurrentToken;
         CurrentToken->MatchingParen = Left;

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