Author: compnerd Date: Tue Jun 16 15:03:47 2015 New Revision: 239846 URL: http://llvm.org/viewvc/llvm-project?rev=239846&view=rev Log: parser: diagnose empty attribute blocks
MS attributes do not permit empty attribute blocks. Correctly diagnose those. We continue to parse to ensure that we recover correctly. Because the block is empty, we do not need to skip any tokens. Bonus: tweak the comment that I updated but forgot to remove the function name in a previous commit. Modified: cfe/trunk/include/clang/Basic/DiagnosticParseKinds.td cfe/trunk/lib/Parse/ParseDeclCXX.cpp cfe/trunk/test/Parser/MicrosoftExtensions.c Modified: cfe/trunk/include/clang/Basic/DiagnosticParseKinds.td URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticParseKinds.td?rev=239846&r1=239845&r2=239846&view=diff ============================================================================== --- cfe/trunk/include/clang/Basic/DiagnosticParseKinds.td (original) +++ cfe/trunk/include/clang/Basic/DiagnosticParseKinds.td Tue Jun 16 15:03:47 2015 @@ -1000,6 +1000,9 @@ def err_pragma_invalid_keyword : Error< def warn_pragma_unroll_cuda_value_in_parens : Warning< "argument to '#pragma unroll' should not be in parentheses in CUDA C/C++">, InGroup<CudaCompat>; + +def err_empty_attribute_block : Error<"empty attribute block is not allowed">; + } // end of Parse Issue category. let CategoryName = "Modules Issue" in { Modified: cfe/trunk/lib/Parse/ParseDeclCXX.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Parse/ParseDeclCXX.cpp?rev=239846&r1=239845&r2=239846&view=diff ============================================================================== --- cfe/trunk/lib/Parse/ParseDeclCXX.cpp (original) +++ cfe/trunk/lib/Parse/ParseDeclCXX.cpp Tue Jun 16 15:03:47 2015 @@ -3780,7 +3780,7 @@ SourceLocation Parser::SkipCXX11Attribut return EndLoc; } -/// ParseMicrosoftAttributes - Parse Microsoft attributes [Attr] +/// Parse one or more Microsoft-style attributes [Attr] /// /// [MS] ms-attribute: /// '[' token-seq ']' @@ -3796,6 +3796,8 @@ void Parser::ParseMicrosoftAttributes(Pa // FIXME: If this is actually a C++11 attribute, parse it as one. BalancedDelimiterTracker T(*this, tok::l_square); T.consumeOpen(); + if (Tok.is(tok::r_square)) + Diag(T.getOpenLocation(), diag::err_empty_attribute_block); SkipUntil(tok::r_square, StopAtSemi | StopBeforeMatch); T.consumeClose(); if (endLoc) Modified: cfe/trunk/test/Parser/MicrosoftExtensions.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Parser/MicrosoftExtensions.c?rev=239846&r1=239845&r2=239846&view=diff ============================================================================== --- cfe/trunk/test/Parser/MicrosoftExtensions.c (original) +++ cfe/trunk/test/Parser/MicrosoftExtensions.c Tue Jun 16 15:03:47 2015 @@ -55,6 +55,8 @@ int foo1([SA_Post(attr=1)] void *param); [unbalanced(attribute) /* expected-note {{to match this '['}} */ void f(void); /* expected-error {{expected ']'}} */ +[] __interface I {}; /* expected-error {{empty attribute block is not allowed}} */ + void ms_intrinsics(int a) { __noop(); __assume(a); _______________________________________________ cfe-commits mailing list cfe-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits