[PATCH] Fix bool expression special case.

[Manuel Klimek]

Hi djasper,

http://llvm-reviews.chandlerc.com/D3187

Files:
  lib/Format/TokenAnnotator.cpp
  unittests/Format/FormatTest.cpp

Index: lib/Format/TokenAnnotator.cpp
===================================================================
--- lib/Format/TokenAnnotator.cpp
+++ lib/Format/TokenAnnotator.cpp
@@ -44,6 +44,7 @@
     ScopedContextCreator ContextCreator(*this, tok::less, 10);
     FormatToken *Left = CurrentToken->Previous;
     Contexts.back().IsExpression = false;
+    Contexts.back().CanBeDeclaration = false;
     while (CurrentToken != NULL) {
       if (CurrentToken->is(tok::greater)) {
         Left->MatchingParen = CurrentToken;
@@ -613,7 +614,8 @@
           ColonIsForRangeExpr(false), ColonIsDictLiteral(false),
           ColonIsObjCMethodExpr(false), FirstObjCSelectorName(NULL),
           FirstStartOfName(NULL), IsExpression(IsExpression),
-          CanBeExpression(true), InCtorInitializer(false), CaretFound(false) {}
+          CanBeExpression(true), CanBeDeclaration(true),
+          InCtorInitializer(false), CaretFound(false) {}
 
     tok::TokenKind ContextKind;
     unsigned BindingStrength;
@@ -626,6 +628,7 @@
     FormatToken *FirstStartOfName;
     bool IsExpression;
     bool CanBeExpression;
+    bool CanBeDeclaration;
     bool InCtorInitializer;
     bool CaretFound;
   };
@@ -703,7 +706,8 @@
       } else if (Current.isOneOf(tok::star, tok::amp, tok::ampamp)) {
         Current.Type =
             determineStarAmpUsage(Current, Contexts.back().CanBeExpression &&
-                                               Contexts.back().IsExpression);
+                                               Contexts.back().IsExpression,
+                                  Contexts.back().CanBeDeclaration);
       } else if (Current.isOneOf(tok::minus, tok::plus, tok::caret)) {
         Current.Type = determinePlusMinusCaretUsage(Current);
         if (Current.Type == TT_UnaryOperator) {
@@ -819,7 +823,8 @@
   }
 
   /// \brief Return the type of the given token assuming it is * or &.
-  TokenType determineStarAmpUsage(const FormatToken &Tok, bool IsExpression) {
+  TokenType determineStarAmpUsage(const FormatToken &Tok, bool IsExpression,
+                                  bool CanBeDeclaration) {
     const FormatToken *PrevToken = Tok.getPreviousNonComment();
     if (PrevToken == NULL)
       return TT_UnaryOperator;
@@ -849,7 +854,8 @@
 
     if (PrevToken->Tok.isLiteral() ||
         PrevToken->isOneOf(tok::r_paren, tok::r_square) ||
-        NextToken->Tok.isLiteral() || NextToken->isUnaryOperator())
+        NextToken->Tok.isLiteral() || NextToken->isUnaryOperator() ||
+        (!CanBeDeclaration && NextToken->Tok.isAnyIdentifier()))
       return TT_BinaryOperator;
 
     // It is very unlikely that we are going to find a pointer or reference type
Index: unittests/Format/FormatTest.cpp
===================================================================
--- unittests/Format/FormatTest.cpp
+++ unittests/Format/FormatTest.cpp
@@ -4529,6 +4529,8 @@
   verifyFormat("delete *x;", PointerLeft);
   verifyFormat("STATIC_ASSERT((a & b) == 0);");
   verifyFormat("STATIC_ASSERT(0 == (a & b));");
+  verifyFormat("template <bool a, bool b> "
+               "typename t::if<x && y>::type f() {};");
 }
 
 TEST_F(FormatTest, UnderstandsAttributes) {
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