clang-format: Improve detection of templates.

Before:
  template <typename... Types>
        typename enable_if < 0<sizeof...(Types)>::type Foo() {}
After:
  template <typename... Types>
  typename enable_if<0 < sizeof...(Types)>::type Foo() {}

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@187458 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Format/TokenAnnotator.cpp b/lib/Format/TokenAnnotator.cpp
index a7fa3ec239469f654837787efe482afdf6146bb5..b9d26ca521911bf7fd96591c81ab3bca0893bf44 100644 (file)
--- a/lib/Format/TokenAnnotator.cpp
+++ b/lib/Format/TokenAnnotator.cpp
@@ -360,7 +360,7 @@ private:
         return false;
       break;
     case tok::less:
-      if (parseAngle())
+      if (Tok->Previous && !Tok->Previous->Tok.isLiteral() && parseAngle())
         Tok->Type = TT_TemplateOpener;
       else {
         Tok->Type = TT_BinaryOperator;

diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index ebb7722a6490bf2e959859f68bf109e4e2756a6e..4a28cca222ea0b486b3bbefaea6e9f6fd8fd83ce 100644 (file)
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -3372,6 +3372,8 @@ TEST_F(FormatTest, UnderstandsTemplateParameters) {
                "  while (a < b && c > d) {\n"
                "  }\n"
                "}");
+  verifyFormat("template <typename... Types>\n"
+               "typename enable_if<0 < sizeof...(Types)>::type Foo() {}");
 }
 
 TEST_F(FormatTest, UnderstandsBinaryOperators) {
@@ -4107,7 +4109,7 @@ TEST_F(FormatTest, UnderstandContextOfRecordTypeKeywords) {
       "    : Implementation(new ImplicitCastMatcher<F>(Other)) {}");
 
   // FIXME: This is still incorrectly handled at the formatter side.
-  verifyFormat("template <> struct X < 15, i < 3 && 42 < 50 && 33<28> {};");
+  verifyFormat("template <> struct X < 15, i<3 && 42 < 50 && 33 < 28> {};");
 
   // FIXME:
   // This now gets parsed incorrectly as class definition.