Teach \brief parser about commands that start a new paragraph implicitly

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159309 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 25 insertions, 7 deletions

diff --git a/lib/AST/CommentBriefParser.cpp b/lib/AST/CommentBriefParser.cpp
index 2f67602b74..f647309246 100644
--- a/lib/AST/CommentBriefParser.cpp
+++ b/lib/AST/CommentBriefParser.cpp
@@ -16,7 +16,6 @@ std::string BriefParser::Parse() {
   std::string Paragraph;
   bool InFirstParagraph = true;
   bool InBrief = false;
-  bool BriefDone = false;
 
   while (Tok.isNot(tok::eof)) {
     if (Tok.is(tok::text)) {
@@ -26,11 +25,24 @@ std::string BriefParser::Parse() {
       continue;
     }
 
-    if (!BriefDone && Tok.is(tok::command) && Tok.getCommandName() == "brief") {
-      Paragraph.clear();
-      InBrief = true;
-      ConsumeToken();
-      continue;
+    if (Tok.is(tok::command)) {
+      StringRef Name = Tok.getCommandName();
+      if (Name == "brief") {
+        Paragraph.clear();
+        InBrief = true;
+        ConsumeToken();
+        continue;
+      }
+      // Check if this command implicitly starts a new paragraph.
+      if (Name == "param" || Name == "result" || Name == "return" ||
+          Name == "returns") {
+        // We found an implicit paragraph end.
+        InFirstParagraph = false;
+        if (InBrief) {
+          InBrief = false;
+          break;
+        }
+      }
     }
 
     if (Tok.is(tok::newline)) {
@@ -44,7 +56,7 @@ std::string BriefParser::Parse() {
         InFirstParagraph = false;
         if (InBrief) {
           InBrief = false;
-          BriefDone = true;
+          break;
         }
       }
       continue;
diff --git a/test/Index/annotate-comments.cpp b/test/Index/annotate-comments.cpp
index cb0630b739..59ffa88348 100644
--- a/test/Index/annotate-comments.cpp
+++ b/test/Index/annotate-comments.cpp
@@ -198,6 +198,11 @@ void isdoxy45(void);
 #define FOO
 void notdoxy46(void);
 
+/// IS_DOXYGEN_START Aaa bbb
+/// \param ccc
+/// \returns ddd IS_DOXYGEN_END
+void isdoxy47(int);
+
 #endif
 
 // RUN: rm -rf %t
@@ -265,4 +270,5 @@ void notdoxy46(void);
 
 // CHECK: annotate-comments.cpp:185:6: FunctionDecl=isdoxy44:{{.*}} BriefComment=[ IS_DOXYGEN_START Aaa bbb\n ccc.\n]
 // CHECK: annotate-comments.cpp:195:6: FunctionDecl=isdoxy45:{{.*}} BriefComment=[\n Ddd eee.\n Fff.\n]
+// CHECK: annotate-comments.cpp:204:6: FunctionDecl=isdoxy47:{{.*}} BriefComment=[ IS_DOXYGEN_START Aaa bbb\n ]