[PATCH] D47028: [clang-format/ObjC] Correctly annotate single-component ObjC method invocations

[Ben Hamilton via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rC332727: [clang-format/ObjC] Correctly annotate single-component ObjC method invocations (authored by benhamilton, committed by ).

Changed prior to commit:
  https://reviews.llvm.org/D47028?vs=147516&id=147517#toc

Repository:
  rC Clang

https://reviews.llvm.org/D47028

Files:
  lib/Format/TokenAnnotator.cpp
  unittests/Format/FormatTestObjC.cpp


Index: lib/Format/TokenAnnotator.cpp
===================================================================
--- lib/Format/TokenAnnotator.cpp
+++ lib/Format/TokenAnnotator.cpp
@@ -501,6 +501,12 @@
         }
         if (StartsObjCMethodExpr && CurrentToken->Previous != Left) {
           CurrentToken->Type = TT_ObjCMethodExpr;
+          // If we haven't seen a colon yet, make sure the last identifier
+          // before the r_square is tagged as a selector name component.
+          if (!ColonFound && CurrentToken->Previous &&
+              CurrentToken->Previous->is(TT_Unknown) &&
+              canBeObjCSelectorComponent(*CurrentToken->Previous))
+            CurrentToken->Previous->Type = TT_SelectorName;
           // determineStarAmpUsage() thinks that '*' '[' is allocating an
           // array of pointers, but if '[' starts a selector then '*' is a
           // binary operator.
Index: unittests/Format/FormatTestObjC.cpp
===================================================================
--- unittests/Format/FormatTestObjC.cpp
+++ unittests/Format/FormatTestObjC.cpp
@@ -792,6 +792,10 @@
                "      a = 42;\n"
                "    }];");
 
+  // Space between cast rparen and selector name component.
+  verifyFormat("[((Foo *)foo) bar];");
+  verifyFormat("[((Foo *)foo) bar:1 blech:2];");
+
   // Message receiver taking multiple lines.
   Style.ColumnLimit = 20;
   // Non-corner case.


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