From 032f25329565adfc542f001953565091eccba130 Mon Sep 17 00:00:00 2001
From: Daniel Jasper <djasper@google.com>
Date: Mon, 21 Jan 2013 14:39:22 +0000
Subject: [PATCH] Fix parsing of templated declarations.

Before: template <template <typename T>, typename P > class X;
After:  template <template <typename T>, typename P> class X;

More importantly, the token annotations for the second ">" are now computed
correctly.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173047 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Format/Format.cpp                         |  1 -
 test/Index/comment-to-html-xml-conversion.cpp |  2 +-
 test/Index/overriding-ftemplate-comments.cpp  | 10 +++++-----
 unittests/Format/FormatTest.cpp               |  3 +--
 4 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/lib/Format/Format.cpp b/lib/Format/Format.cpp
index a4de062fbf..12fd070cfe 100644
--- a/lib/Format/Format.cpp
+++ b/lib/Format/Format.cpp
@@ -1006,7 +1006,6 @@ public:
         if (!parseAngle())
           return false;
         CurrentToken->Parent->ClosesTemplateDeclaration = true;
-        parseLine();
         return true;
       }
       return false;
diff --git a/test/Index/comment-to-html-xml-conversion.cpp b/test/Index/comment-to-html-xml-conversion.cpp
index 1c8e1e9f31..c1ec08e282 100644
--- a/test/Index/comment-to-html-xml-conversion.cpp
+++ b/test/Index/comment-to-html-xml-conversion.cpp
@@ -352,7 +352,7 @@ void comment_to_html_conversion_20(T1 aaa, T2 bbb);
 template<template<template<typename T> class TT, class C> class TTT>
 void comment_to_html_conversion_21();
 
-// CHECK: comment-to-html-xml-conversion.cpp:[[@LINE-2]]:6: FunctionTemplate=comment_to_html_conversion_21:{{.*}} FullCommentAsHTML=[<dl><dt class="tparam-name-index-0">TTT</dt><dd class="tparam-descr-index-0"> Ddd </dd><dt class="tparam-name-index-other">C</dt><dd class="tparam-descr-index-other"> Ccc </dd><dt class="tparam-name-index-other">T</dt><dd class="tparam-descr-index-other"> Aaa </dd><dt class="tparam-name-index-other">TT</dt><dd class="tparam-descr-index-other"> Bbb</dd></dl>] FullCommentAsXML=[<Function templateKind="template" file="{{[^"]+}}comment-to-html-xml-conversion.cpp" line="[[@LINE-2]]" column="6"><Name>comment_to_html_conversion_21</Name><USR>c:@FT@&gt;1#t&gt;2#t&gt;1#T#Tcomment_to_html_conversion_21#</USR><Declaration>template &lt;template &lt;template &lt;typename T&gt; class TT,\n                    class C &gt; class TTT &gt; void comment_to_html_conversion_21()</Declaration><TemplateParameters><Parameter><Name>TTT</Name><Index>0</Index><Discussion><Para> Ddd </Para></Discussion></Parameter><Parameter><Name>C</Name><Discussion><Para> Ccc </Para></Discussion></Parameter><Parameter><Name>T</Name><Discussion><Para> Aaa </Para></Discussion></Parameter><Parameter><Name>TT</Name><Discussion><Para> Bbb</Para></Discussion></Parameter></TemplateParameters></Function>]
+// CHECK: comment-to-html-xml-conversion.cpp:[[@LINE-2]]:6: FunctionTemplate=comment_to_html_conversion_21:{{.*}} FullCommentAsHTML=[<dl><dt class="tparam-name-index-0">TTT</dt><dd class="tparam-descr-index-0"> Ddd </dd><dt class="tparam-name-index-other">C</dt><dd class="tparam-descr-index-other"> Ccc </dd><dt class="tparam-name-index-other">T</dt><dd class="tparam-descr-index-other"> Aaa </dd><dt class="tparam-name-index-other">TT</dt><dd class="tparam-descr-index-other"> Bbb</dd></dl>] FullCommentAsXML=[<Function templateKind="template" file="{{[^"]+}}comment-to-html-xml-conversion.cpp" line="[[@LINE-2]]" column="6"><Name>comment_to_html_conversion_21</Name><USR>c:@FT@&gt;1#t&gt;2#t&gt;1#T#Tcomment_to_html_conversion_21#</USR><Declaration>template &lt;template &lt;template &lt;typename T&gt; class TT, class C&gt; class TTT&gt;\nvoid comment_to_html_conversion_21()</Declaration><TemplateParameters><Parameter><Name>TTT</Name><Index>0</Index><Discussion><Para> Ddd </Para></Discussion></Parameter><Parameter><Name>C</Name><Discussion><Para> Ccc </Para></Discussion></Parameter><Parameter><Name>T</Name><Discussion><Para> Aaa </Para></Discussion></Parameter><Parameter><Name>TT</Name><Discussion><Para> Bbb</Para></Discussion></Parameter></TemplateParameters></Function>]
 // CHECK-NEXT:  CommentAST=[
 // CHECK-NEXT:    (CXComment_FullComment
 // CHECK-NEXT:       (CXComment_Paragraph IsWhitespace
diff --git a/test/Index/overriding-ftemplate-comments.cpp b/test/Index/overriding-ftemplate-comments.cpp
index 8d4a577d96..f5f45be16c 100644
--- a/test/Index/overriding-ftemplate-comments.cpp
+++ b/test/Index/overriding-ftemplate-comments.cpp
@@ -59,12 +59,12 @@ void comment_to_html_conversion_20(PPP aaa, QQQ bbb);
 template<template<template<typename CCC> class DDD, class BBB> class AAA>
 void comment_to_html_conversion_21();
 
-// CHECK: FullCommentAsXML=[<Function templateKind="template" file="{{[^"]+}}overriding-ftemplate-comments.cpp" line="[[@LINE-2]]" column="6"><Name>comment_to_html_conversion_21</Name><USR>c:@FT@&gt;1#t&gt;2#t&gt;1#T#Tcomment_to_html_conversion_21#</USR><Declaration>template &lt;template &lt;template &lt;typename CCC&gt; class DDD,\n                    class BBB &gt; class AAA &gt; void comment_to_html_conversion_21()</Declaration><TemplateParameters><Parameter><Name>AAA</Name><Index>0</Index><Discussion><Para> Aaa </Para></Discussion></Parameter><Parameter><Name>BBB</Name><Discussion><Para> Bbb </Para></Discussion></Parameter><Parameter><Name>CCC</Name><Discussion><Para> Ccc </Para></Discussion></Parameter><Parameter><Name>DDD</Name><Discussion><Para> Ddd</Para></Discussion></Parameter></TemplateParameters></Function>]
+// CHECK: FullCommentAsXML=[<Function templateKind="template" file="{{[^"]+}}overriding-ftemplate-comments.cpp" line="[[@LINE-2]]" column="6"><Name>comment_to_html_conversion_21</Name><USR>c:@FT@&gt;1#t&gt;2#t&gt;1#T#Tcomment_to_html_conversion_21#</USR><Declaration>template &lt;template &lt;template &lt;typename CCC&gt; class DDD, class BBB&gt; class AAA&gt;\nvoid comment_to_html_conversion_21()</Declaration><TemplateParameters><Parameter><Name>AAA</Name><Index>0</Index><Discussion><Para> Aaa </Para></Discussion></Parameter><Parameter><Name>BBB</Name><Discussion><Para> Bbb </Para></Discussion></Parameter><Parameter><Name>CCC</Name><Discussion><Para> Ccc </Para></Discussion></Parameter><Parameter><Name>DDD</Name><Discussion><Para> Ddd</Para></Discussion></Parameter></TemplateParameters></Function>]
 
 template<template<template<typename RRR> class SSS, class QQQ> class PPP>
 void comment_to_html_conversion_21();
 
-// CHECK: FullCommentAsXML=[<Function templateKind="template" file="{{[^"]+}}overriding-ftemplate-comments.cpp" line="[[@LINE-2]]" column="6"><Name>comment_to_html_conversion_21</Name><USR>c:@FT@&gt;1#t&gt;2#t&gt;1#T#Tcomment_to_html_conversion_21#</USR><Declaration>template &lt;template &lt;template &lt;typename RRR&gt; class SSS,\n                    class QQQ &gt; class PPP &gt; void comment_to_html_conversion_21()</Declaration><TemplateParameters><Parameter><Name>PPP</Name><Index>0</Index><Discussion><Para> Aaa </Para></Discussion></Parameter><Parameter><Name>QQQ</Name><Discussion><Para> Bbb </Para></Discussion></Parameter><Parameter><Name>RRR</Name><Discussion><Para> Ccc </Para></Discussion></Parameter><Parameter><Name>SSS</Name><Discussion><Para> Ddd</Para></Discussion></Parameter></TemplateParameters></Function>]
+// CHECK: FullCommentAsXML=[<Function templateKind="template" file="{{[^"]+}}overriding-ftemplate-comments.cpp" line="[[@LINE-2]]" column="6"><Name>comment_to_html_conversion_21</Name><USR>c:@FT@&gt;1#t&gt;2#t&gt;1#T#Tcomment_to_html_conversion_21#</USR><Declaration>template &lt;template &lt;template &lt;typename RRR&gt; class SSS, class QQQ&gt; class PPP&gt;\nvoid comment_to_html_conversion_21()</Declaration><TemplateParameters><Parameter><Name>PPP</Name><Index>0</Index><Discussion><Para> Aaa </Para></Discussion></Parameter><Parameter><Name>QQQ</Name><Discussion><Para> Bbb </Para></Discussion></Parameter><Parameter><Name>RRR</Name><Discussion><Para> Ccc </Para></Discussion></Parameter><Parameter><Name>SSS</Name><Discussion><Para> Ddd</Para></Discussion></Parameter></TemplateParameters></Function>]
 
 //===----------------------------------------------------------------------===//
 
@@ -74,13 +74,13 @@ void comment_to_html_conversion_21();
 /// \tparam C3 Ccc 3
 /// \tparam C4 Ccc 4
 /// \tparam BBB Bbb
-template <class C1, template <class C2, template <class C3, class C4> class BBB > class AAA >
+template <class C1, template <class C2, template <class C3, class C4> class BBB > class AAA>
 void comment_to_html_conversion_22();
 
-// CHECK: FullCommentAsXML=[<Function templateKind="template" file="{{[^"]+}}overriding-ftemplate-comments.cpp" line="[[@LINE-2]]" column="6"><Name>comment_to_html_conversion_22</Name><USR>c:@FT@&gt;2#T#t&gt;2#T#t&gt;2#T#Tcomment_to_html_conversion_22#</USR><Declaration>template &lt;class C1,\n          template &lt;class C2, template &lt;class C3, class C4&gt; class BBB &gt;\n                    class AAA &gt; void comment_to_html_conversion_22()</Declaration><TemplateParameters><Parameter><Name>C1</Name><Index>0</Index><Discussion><Para> Ccc 1 </Para></Discussion></Parameter><Parameter><Name>AAA</Name><Index>1</Index><Discussion><Para> Zzz </Para></Discussion></Parameter><Parameter><Name>C2</Name><Discussion><Para> Ccc 2 </Para></Discussion></Parameter><Parameter><Name>C3</Name><Discussion><Para> Ccc 3 </Para></Discussion></Parameter><Parameter><Name>C4</Name><Discussion><Para> Ccc 4 </Para></Discussion></Parameter><Parameter><Name>BBB</Name><Discussion><Para> Bbb</Para></Discussion></Parameter></TemplateParameters></Function>]
+// CHECK: FullCommentAsXML=[<Function templateKind="template" file="{{[^"]+}}overriding-ftemplate-comments.cpp" line="[[@LINE-2]]" column="6"><Name>comment_to_html_conversion_22</Name><USR>c:@FT@&gt;2#T#t&gt;2#T#t&gt;2#T#Tcomment_to_html_conversion_22#</USR><Declaration>template &lt;class C1, template &lt;class C2, template &lt;class C3, class C4&gt; class BBB&gt;\n      class AAA&gt;\nvoid comment_to_html_conversion_22()</Declaration><TemplateParameters><Parameter><Name>C1</Name><Index>0</Index><Discussion><Para> Ccc 1 </Para></Discussion></Parameter><Parameter><Name>AAA</Name><Index>1</Index><Discussion><Para> Zzz </Para></Discussion></Parameter><Parameter><Name>C2</Name><Discussion><Para> Ccc 2 </Para></Discussion></Parameter><Parameter><Name>C3</Name><Discussion><Para> Ccc 3 </Para></Discussion></Parameter><Parameter><Name>C4</Name><Discussion><Para> Ccc 4 </Para></Discussion></Parameter><Parameter><Name>BBB</Name><Discussion><Para> Bbb</Para></Discussion></Parameter></TemplateParameters></Function>]
 
 template<class CCC1, template<class CCC2, template<class CCC3, class CCC4> class QQQ> class PPP>
 void comment_to_html_conversion_22();
 
-// CHECK: FullCommentAsXML=[<Function templateKind="template" file="{{[^"]+}}overriding-ftemplate-comments.cpp" line="[[@LINE-2]]" column="6"><Name>comment_to_html_conversion_22</Name><USR>c:@FT@&gt;2#T#t&gt;2#T#t&gt;2#T#Tcomment_to_html_conversion_22#</USR><Declaration>template &lt;class CCC1,\n          template &lt;class CCC2, template &lt;class CCC3, class CCC4&gt; class QQQ &gt;\n                    class PPP &gt; void comment_to_html_conversion_22()</Declaration><TemplateParameters><Parameter><Name>CCC1</Name><Index>0</Index><Discussion><Para> Ccc 1 </Para></Discussion></Parameter><Parameter><Name>PPP</Name><Index>1</Index><Discussion><Para> Zzz </Para></Discussion></Parameter><Parameter><Name>CCC2</Name><Discussion><Para> Ccc 2 </Para></Discussion></Parameter><Parameter><Name>CCC3</Name><Discussion><Para> Ccc 3 </Para></Discussion></Parameter><Parameter><Name>CCC4</Name><Discussion><Para> Ccc 4 </Para></Discussion></Parameter><Parameter><Name>QQQ</Name><Discussion><Para> Bbb</Para></Discussion></Parameter></TemplateParameters></Function>]
+// CHECK: FullCommentAsXML=[<Function templateKind="template" file="{{[^"]+}}overriding-ftemplate-comments.cpp" line="[[@LINE-2]]" column="6"><Name>comment_to_html_conversion_22</Name><USR>c:@FT@&gt;2#T#t&gt;2#T#t&gt;2#T#Tcomment_to_html_conversion_22#</USR><Declaration>template &lt;class CCC1,\n          template &lt;class CCC2, template &lt;class CCC3, class CCC4&gt; class QQQ&gt;\n      class PPP&gt;\nvoid comment_to_html_conversion_22()</Declaration><TemplateParameters><Parameter><Name>CCC1</Name><Index>0</Index><Discussion><Para> Ccc 1 </Para></Discussion></Parameter><Parameter><Name>PPP</Name><Index>1</Index><Discussion><Para> Zzz </Para></Discussion></Parameter><Parameter><Name>CCC2</Name><Discussion><Para> Ccc 2 </Para></Discussion></Parameter><Parameter><Name>CCC3</Name><Discussion><Para> Ccc 3 </Para></Discussion></Parameter><Parameter><Name>CCC4</Name><Discussion><Para> Ccc 4 </Para></Discussion></Parameter><Parameter><Name>QQQ</Name><Discussion><Para> Bbb</Para></Discussion></Parameter></TemplateParameters></Function>]
 
diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index f67cd8c222..149ca0c24a 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -1523,8 +1523,7 @@ TEST_F(FormatTest, UnderstandContextOfRecordTypeKeywords) {
 
   // Actual definitions...
   verifyFormat("struct {} n;");
-  verifyFormat(
-      "template <template <class T, class Y>, class Z > class X {} n;");
+  verifyFormat("template <template <class T, class Y>, class Z> class X {} n;");
   verifyFormat("union Z {\n  int n;\n} x;");
   verifyFormat("class MACRO Z {} n;");
   verifyFormat("class MACRO(X) Z {} n;");
-- 
2.40.0