r175165 - Fix counting of parameters so that r175162 works as expected.

Daniel Jasper djasper at google.com
Thu Feb 14 07:01:34 PST 2013


Author: djasper
Date: Thu Feb 14 09:01:34 2013
New Revision: 175165

URL: http://llvm.org/viewvc/llvm-project?rev=175165&view=rev
Log:
Fix counting of parameters so that r175162 works as expected.

Before:
aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa()
                              .aaaaaaaaaaaaaaaaa());

After:
aaaaaaaaaaaaaaaaaaaaaaaaa(
    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa().aaaaaaaaaaaaaaaaa());

Not sure which of the formattings above is better, but we should not pick
one by accident.

Modified:
    cfe/trunk/lib/Format/TokenAnnotator.cpp
    cfe/trunk/lib/Format/TokenAnnotator.h
    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=175165&r1=175164&r2=175165&view=diff
==============================================================================
--- cfe/trunk/lib/Format/TokenAnnotator.cpp (original)
+++ cfe/trunk/lib/Format/TokenAnnotator.cpp Thu Feb 14 09:01:34 2013
@@ -107,8 +107,7 @@ private:
       if (CurrentToken->is(tok::pipepipe) || CurrentToken->is(tok::ampamp) ||
           CurrentToken->is(tok::question) || CurrentToken->is(tok::colon))
         return false;
-      if (CurrentToken->is(tok::comma))
-        ++Left->ParameterCount;
+      updateParameterCount(Left, CurrentToken);
       if (!consumeToken())
         return false;
     }
@@ -175,8 +174,7 @@ private:
       }
       if (CurrentToken->is(tok::r_square) || CurrentToken->is(tok::r_brace))
         return false;
-      if (CurrentToken->is(tok::comma))
-        ++Left->ParameterCount;
+      updateParameterCount(Left, CurrentToken);
       if (!consumeToken())
         return false;
     }
@@ -240,8 +238,7 @@ private:
       }
       if (CurrentToken->is(tok::r_paren) || CurrentToken->is(tok::r_brace))
         return false;
-      if (CurrentToken->is(tok::comma))
-        ++Left->ParameterCount;
+      updateParameterCount(Left, CurrentToken);
       if (!consumeToken())
         return false;
     }
@@ -263,13 +260,19 @@ private:
       }
       if (CurrentToken->is(tok::r_paren) || CurrentToken->is(tok::r_square))
         return false;
-      if (CurrentToken->is(tok::comma))
-        ++Left->ParameterCount;
+      updateParameterCount(Left, CurrentToken);
       if (!consumeToken())
         return false;
     }
     return true;
   }
+  
+  void updateParameterCount(AnnotatedToken *Left, AnnotatedToken *Current) {
+    if (Current->is(tok::comma))
+      ++Left->ParameterCount;
+    else if (Left->ParameterCount == 0 && Current->isNot(tok::comment))
+      Left->ParameterCount = 1;
+  }
 
   bool parseConditional() {
     while (CurrentToken != NULL) {

Modified: cfe/trunk/lib/Format/TokenAnnotator.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Format/TokenAnnotator.h?rev=175165&r1=175164&r2=175165&view=diff
==============================================================================
--- cfe/trunk/lib/Format/TokenAnnotator.h (original)
+++ cfe/trunk/lib/Format/TokenAnnotator.h Thu Feb 14 09:01:34 2013
@@ -73,7 +73,7 @@ public:
       : FormatTok(FormatTok), Type(TT_Unknown), SpacesRequiredBefore(0),
         CanBreakBefore(false), MustBreakBefore(false),
         ClosesTemplateDeclaration(false), MatchingParen(NULL),
-        ParameterCount(1), BindingStrength(0), SplitPenalty(0),
+        ParameterCount(0), BindingStrength(0), SplitPenalty(0),
         LongestObjCSelectorName(0), Parent(NULL), FakeLParens(0),
         FakeRParens(0) {
   }

Modified: cfe/trunk/unittests/Format/FormatTest.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/Format/FormatTest.cpp?rev=175165&r1=175164&r2=175165&view=diff
==============================================================================
--- cfe/trunk/unittests/Format/FormatTest.cpp (original)
+++ cfe/trunk/unittests/Format/FormatTest.cpp Thu Feb 14 09:01:34 2013
@@ -1453,6 +1453,10 @@ TEST_F(FormatTest, WrapsAtFunctionCallsI
       "aaaaaaaaaaa->aaaaaaaaa(\n"
       "    aaaaaaaaaaaaaaaaaaaaaaaaa,\n"
       "    aaaaaaaaaaaaaaaaaa->aaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa));\n");
+
+  verifyFormat(
+      "aaaaaaaaaaaaaaaaaaaaaaaaa(\n"
+      "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa().aaaaaaaaaaaaaaaaa());");
 }
 
 TEST_F(FormatTest, WrapsTemplateDeclarations) {





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