[PATCH] D57923: [Format/ObjC] Fix [foo bar]->baz formatting as lambda arrow

[Ben Hamilton via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rC353531: [Format/ObjC] Fix [foo bar]->baz formatting as 
lambda arrow (authored by benhamilton, committed by ).

Changed prior to commit:
  https://reviews.llvm.org/D57923?vs=185859&id=185975#toc

Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D57923/new/

https://reviews.llvm.org/D57923

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


Index: lib/Format/UnwrappedLineParser.cpp
===================================================================
--- lib/Format/UnwrappedLineParser.cpp
+++ lib/Format/UnwrappedLineParser.cpp
@@ -1426,6 +1426,9 @@
       nextToken();
       break;
     case tok::arrow:
+      // This might or might not actually be a lambda arrow (this could be an
+      // ObjC method invocation followed by a dereferencing arrow). We might
+      // reset this back to TT_Unknown in TokenAnnotator.
       FormatTok->Type = TT_LambdaArrow;
       nextToken();
       break;
Index: lib/Format/TokenAnnotator.cpp
===================================================================
--- lib/Format/TokenAnnotator.cpp
+++ lib/Format/TokenAnnotator.cpp
@@ -520,6 +520,10 @@
           if (Parent && Parent->is(TT_PointerOrReference))
             Parent->Type = TT_BinaryOperator;
         }
+        // An arrow after an ObjC method expression is not a lambda arrow.
+        if (CurrentToken->Type == TT_ObjCMethodExpr && CurrentToken->Next &&
+            CurrentToken->Next->is(TT_LambdaArrow))
+          CurrentToken->Next->Type = TT_Unknown;
         Left->MatchingParen = CurrentToken;
         CurrentToken->MatchingParen = Left;
         // FirstObjCSelectorName is set when a colon is found. This does
Index: unittests/Format/FormatTestObjC.cpp
===================================================================
--- unittests/Format/FormatTestObjC.cpp
+++ unittests/Format/FormatTestObjC.cpp
@@ -611,6 +611,7 @@
 
 TEST_F(FormatTestObjC, FormatObjCMethodExpr) {
   verifyFormat("[foo bar:baz];");
+  verifyFormat("[foo bar]->baz;");
   verifyFormat("return [foo bar:baz];");
   verifyFormat("return (a)[foo bar:baz];");
   verifyFormat("f([foo bar:baz]);");



Index: lib/Format/UnwrappedLineParser.cpp
===================================================================
--- lib/Format/UnwrappedLineParser.cpp
+++ lib/Format/UnwrappedLineParser.cpp
@@ -1426,6 +1426,9 @@
       nextToken();
       break;
     case tok::arrow:
+      // This might or might not actually be a lambda arrow (this could be an
+      // ObjC method invocation followed by a dereferencing arrow). We might
+      // reset this back to TT_Unknown in TokenAnnotator.
       FormatTok->Type = TT_LambdaArrow;
       nextToken();
       break;
Index: lib/Format/TokenAnnotator.cpp
===================================================================
--- lib/Format/TokenAnnotator.cpp
+++ lib/Format/TokenAnnotator.cpp
@@ -520,6 +520,10 @@
           if (Parent && Parent->is(TT_PointerOrReference))
             Parent->Type = TT_BinaryOperator;
         }
+        // An arrow after an ObjC method expression is not a lambda arrow.
+        if (CurrentToken->Type == TT_ObjCMethodExpr && CurrentToken->Next &&
+            CurrentToken->Next->is(TT_LambdaArrow))
+          CurrentToken->Next->Type = TT_Unknown;
         Left->MatchingParen = CurrentToken;
         CurrentToken->MatchingParen = Left;
         // FirstObjCSelectorName is set when a colon is found. This does
Index: unittests/Format/FormatTestObjC.cpp
===================================================================
--- unittests/Format/FormatTestObjC.cpp
+++ unittests/Format/FormatTestObjC.cpp
@@ -611,6 +611,7 @@
 
 TEST_F(FormatTestObjC, FormatObjCMethodExpr) {
   verifyFormat("[foo bar:baz];");
+  verifyFormat("[foo bar]->baz;");
   verifyFormat("return [foo bar:baz];");
   verifyFormat("return (a)[foo bar:baz];");
   verifyFormat("f([foo bar:baz]);");

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