clang-format: Option to control spacing in template argument lists.

Same as SpacesInParentheses, this option allows adding a space inside
the '<' and '>' of a template parameter list.

Patch by Christopher Olsen.

This fixes llvm.org/PR17301.

llvm-svn: 193614

1 files changed, 26 insertions, 0 deletions

diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index 83035f72bc9..991763cdf7f 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -6592,6 +6592,7 @@ TEST_F(FormatTest, ParsesConfiguration) {
   CHECK_PARSE_BOOL(Cpp11BracedListStyle);
   CHECK_PARSE_BOOL(IndentFunctionDeclarationAfterType);
   CHECK_PARSE_BOOL(SpacesInParentheses);
+  CHECK_PARSE_BOOL(SpacesInAngles);
   CHECK_PARSE_BOOL(SpaceInEmptyParentheses);
   CHECK_PARSE_BOOL(SpacesInCStyleCastParentheses);
   CHECK_PARSE_BOOL(SpaceAfterControlStatementKeyword);
@@ -7010,5 +7011,30 @@ TEST_F(FormatTest, ConfigurableContinuationIndentWidth) {
             format("int i = longFunction(arg);", SixIndent));
 }
 
+TEST_F(FormatTest, SpacesInAngles) {
+  FormatStyle Spaces = getLLVMStyle();
+  Spaces.SpacesInAngles = true;
+
+  verifyFormat("static_cast< int >(arg);", Spaces);
+  verifyFormat("template < typename T0, typename T1 > void f() {}", Spaces);
+  verifyFormat("f< int, float >();", Spaces);
+  verifyFormat("template <> g() {}", Spaces);
+  verifyFormat("template < std::vector< int > > f() {}", Spaces);
+
+  Spaces.Standard = FormatStyle::LS_Cpp03;
+  Spaces.SpacesInAngles = true;
+  verifyFormat("A< A< int > >();", Spaces);
+
+  Spaces.SpacesInAngles = false;
+  verifyFormat("A<A<int> >();", Spaces);
+
+  Spaces.Standard = FormatStyle::LS_Cpp11;
+  Spaces.SpacesInAngles = true;
+  verifyFormat("A< A< int > >();", Spaces);
+  
+  Spaces.SpacesInAngles = false;
+  verifyFormat("A<A<int>>();", Spaces);
+}
+
 } // end namespace tooling
 } // end namespace clang