Author: krasimir
Date: Tue Nov 13 07:38:12 2018
New Revision: 346756

URL: http://llvm.org/viewvc/llvm-project?rev=346756&view=rev
Log:
[clang-format] Do not treat the asm clobber [ as ObjCExpr

Summary:
The opening square of an inline asm clobber was being annotated as an ObjCExpr.
This caused, amongst other things, the ObjCGuesser to guess header files
containing that pattern as ObjC files.

Reviewers: benhamilton

Reviewed By: benhamilton

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D54111

Modified:
    cfe/trunk/lib/Format/TokenAnnotator.cpp
    cfe/trunk/unittests/Format/FormatTest.cpp

Modified: cfe/trunk/lib/Format/TokenAnnotator.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Format/TokenAnnotator.cpp?rev=346756&r1=346755&r2=346756&view=diff
==============================================================================
--- cfe/trunk/lib/Format/TokenAnnotator.cpp (original)
+++ cfe/trunk/lib/Format/TokenAnnotator.cpp Tue Nov 13 07:38:12 2018
@@ -404,8 +404,9 @@ private:
         Contexts.back().CanBeExpression && Left->isNot(TT_LambdaLSquare) &&
         !CurrentToken->isOneOf(tok::l_brace, tok::r_square) &&
         (!Parent ||
-         Parent->isOneOf(tok::colon, tok::l_square, tok::l_paren,
-                         tok::kw_return, tok::kw_throw) ||
+         (Parent->is(tok::colon) && Parent->isNot(TT_InlineASMColon)) ||
+         Parent->isOneOf(tok::l_square, tok::l_paren, tok::kw_return,
+                         tok::kw_throw) ||
          Parent->isUnaryOperator() ||
          // FIXME(bug 36976): ObjC return types shouldn't use TT_CastRParen.
          Parent->isOneOf(TT_ObjCForIn, TT_CastRParen) ||

Modified: cfe/trunk/unittests/Format/FormatTest.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/Format/FormatTest.cpp?rev=346756&r1=346755&r2=346756&view=diff
==============================================================================
--- cfe/trunk/unittests/Format/FormatTest.cpp (original)
+++ cfe/trunk/unittests/Format/FormatTest.cpp Tue Nov 13 07:38:12 2018
@@ -12755,6 +12755,21 @@ TEST_F(FormatTest, GuessLanguageWithCare
       guessLanguage("foo.h", "int(^foo[(kNumEntries + 10)])(char, float);"));
 }
 
+TEST_F(FormatTest, GuessedLanguageWithInlineAsmClobbers) {
+  EXPECT_EQ(FormatStyle::LK_Cpp, guessLanguage("foo.h",
+                                               "void f() {\n"
+                                               "  asm (\"mov %[e], %[d]\"\n"
+                                               "     : [d] \"=rm\" (d)\n"
+                                               "       [e] \"rm\" (*e));\n"
+                                               "}"));
+  EXPECT_EQ(FormatStyle::LK_Cpp,
+            guessLanguage("foo.h", "void f() {\n"
+                                   "  asm volatile (\"mov %[e], %[d]\"\n"
+                                   "     : [d] \"=rm\" (d)\n"
+                                   "       [e] \"rm\" (*e));\n"
+                                   "}"));
+}
+
 TEST_F(FormatTest, GuessLanguageWithChildLines) {
   EXPECT_EQ(FormatStyle::LK_Cpp,
             guessLanguage("foo.h", "#define FOO ({ std::string s; })"));


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