rkgibson2 updated this revision to Diff 209504.
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Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D64632/new/

https://reviews.llvm.org/D64632

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
@@ -7027,6 +7027,10 @@
   // On the other hand, we still need to correctly find array subscripts.
   verifyFormat("int a = std::vector<int>{1, 2, 3}[0];");
 
+  // Make sure that we do not mistake a call to the Objective-C method named
+  // "class" inside an array literal as attributes.
+  verifyFormat("@[ [NSArray class] ];");
+
   // Make sure we do not parse attributes as lambda introducers.
   FormatStyle MultiLineFunctions = getLLVMStyle();
   MultiLineFunctions.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_None;
Index: clang/lib/Format/TokenAnnotator.cpp
===================================================================
--- clang/lib/Format/TokenAnnotator.cpp
+++ clang/lib/Format/TokenAnnotator.cpp
@@ -388,6 +388,10 @@
   bool isCpp11AttributeSpecifier(const FormatToken &Tok) {
     if (!Style.isCpp() || !Tok.startsSequence(tok::l_square, tok::l_square))
       return false;
+    // The first square bracket is part of an ObjC array literal
+    if (Tok.Previous && Tok.Previous->is(tok::at)) {
+      return false;
+    }
     const FormatToken *AttrTok = Tok.Next->Next;
     if (!AttrTok)
       return false;
@@ -400,7 +404,7 @@
     while (AttrTok && !AttrTok->startsSequence(tok::r_square, tok::r_square)) {
       // ObjC message send. We assume nobody will use : in a C++11 attribute
       // specifier parameter, although this is technically valid:
-      // [[foo(:)]]
+      // [[foo(:)]].
       if (AttrTok->is(tok::colon) ||
           AttrTok->startsSequence(tok::identifier, tok::identifier) ||
           AttrTok->startsSequence(tok::r_paren, tok::identifier))


Index: clang/unittests/Format/FormatTest.cpp
===================================================================
--- clang/unittests/Format/FormatTest.cpp
+++ clang/unittests/Format/FormatTest.cpp
@@ -7027,6 +7027,10 @@
   // On the other hand, we still need to correctly find array subscripts.
   verifyFormat("int a = std::vector<int>{1, 2, 3}[0];");
 
+  // Make sure that we do not mistake a call to the Objective-C method named
+  // "class" inside an array literal as attributes.
+  verifyFormat("@[ [NSArray class] ];");
+
   // Make sure we do not parse attributes as lambda introducers.
   FormatStyle MultiLineFunctions = getLLVMStyle();
   MultiLineFunctions.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_None;
Index: clang/lib/Format/TokenAnnotator.cpp
===================================================================
--- clang/lib/Format/TokenAnnotator.cpp
+++ clang/lib/Format/TokenAnnotator.cpp
@@ -388,6 +388,10 @@
   bool isCpp11AttributeSpecifier(const FormatToken &Tok) {
     if (!Style.isCpp() || !Tok.startsSequence(tok::l_square, tok::l_square))
       return false;
+    // The first square bracket is part of an ObjC array literal
+    if (Tok.Previous && Tok.Previous->is(tok::at)) {
+      return false;
+    }
     const FormatToken *AttrTok = Tok.Next->Next;
     if (!AttrTok)
       return false;
@@ -400,7 +404,7 @@
     while (AttrTok && !AttrTok->startsSequence(tok::r_square, tok::r_square)) {
       // ObjC message send. We assume nobody will use : in a C++11 attribute
       // specifier parameter, although this is technically valid:
-      // [[foo(:)]]
+      // [[foo(:)]].
       if (AttrTok->is(tok::colon) ||
           AttrTok->startsSequence(tok::identifier, tok::identifier) ||
           AttrTok->startsSequence(tok::r_paren, tok::identifier))
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