rkgibson2 created this revision. Herald added a project: clang. Herald added a subscriber: cfe-commits.
Repository: rG LLVM Github Monorepo 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 @@ -400,9 +400,11 @@ 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(:)]]. 'class' is a common ObjC method selector, so allow it as + // well. if (AttrTok->is(tok::colon) || AttrTok->startsSequence(tok::identifier, tok::identifier) || + AttrTok->startsSequence(tok::identifier, tok::kw_class) || AttrTok->startsSequence(tok::r_paren, tok::identifier)) return false; if (AttrTok->is(tok::ellipsis))
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 @@ -400,9 +400,11 @@ 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(:)]]. 'class' is a common ObjC method selector, so allow it as + // well. if (AttrTok->is(tok::colon) || AttrTok->startsSequence(tok::identifier, tok::identifier) || + AttrTok->startsSequence(tok::identifier, tok::kw_class) || AttrTok->startsSequence(tok::r_paren, tok::identifier)) return false; if (AttrTok->is(tok::ellipsis))
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