[analyzer] Add Prev/Next links to the HTML output.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161153 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 26 insertions, 3 deletions

diff --git a/lib/Rewrite/HTMLRewrite.cpp b/lib/Rewrite/HTMLRewrite.cpp
index e2da26fc80..236b98fc28 100644
--- a/lib/Rewrite/HTMLRewrite.cpp
+++ b/lib/Rewrite/HTMLRewrite.cpp
@@ -325,11 +325,12 @@ void html::AddHeaderFooterInternalBuiltinCSS(Rewriter& R, FileID FID,
       " .msgControl { background-color:#bbbbbb; color:#000000 }\n"
       " .mrange { background-color:#dfddf3 }\n"
       " .mrange { border-bottom:1px solid #6F9DBE }\n"
-      " .PathIndex { font-weight: bold; padding:0px 5px 0px 5px; "
+      " .PathIndex { font-weight: bold; padding:0px 5px; "
         "margin-right:5px; }\n"
       " .PathIndex { -webkit-border-radius:8px }\n"
       " .PathIndexEvent { background-color:#bfba87 }\n"
       " .PathIndexControl { background-color:#8c8c8c }\n"
+      " .PathNav a { text-decoration:none; font-size: larger }\n"
       " .CodeInsertionHint { font-weight: bold; background-color: #10dd10 }\n"
       " .CodeRemovalHint { background-color:#de1010 }\n"
       " .CodeRemovalHint { border-bottom:1px solid #6F9DBE }\n"
diff --git a/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp b/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp
index f1ce8786a1..84fae41d1c 100644
--- a/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp
+++ b/lib/StaticAnalyzer/Core/HTMLDiagnostics.cpp
@@ -428,6 +428,15 @@ void HTMLDiagnostics::HandlePiece(Rewriter& R, FileID BugFileID,
     os << "<div class=\"PathIndex";
     if (Kind) os << " PathIndex" << Kind;
     os << "\">" << num << "</div>";
+
+    if (num > 1) {
+      os << "</td><td><div class=\"PathNav\"><a href=\"#Path"
+         << (num - 1)
+         << "\" title=\"Previous event ("
+         << (num - 1)
+         << ")\">&#x2190;</a></div></td>";
+    }
+
     os << "</td><td>";
   }
 
@@ -463,8 +472,21 @@ void HTMLDiagnostics::HandlePiece(Rewriter& R, FileID BugFileID,
   else {
     os << html::EscapeText(P.getString());
 
-    if (max > 1)
-      os << "</td></tr></table>";
+    if (max > 1) {
+      os << "</td>";
+      if (num < max) {
+        os << "<td><div class=\"PathNav\"><a href=\"#";
+        if (num == max - 1)
+          os << "EndPath";
+        else
+          os << "Path" << (num + 1);
+        os << "\" title=\"Next event ("
+           << (num + 1)
+           << ")\">&#x2192;</a></div></td>";
+      }
+      
+      os << "</tr></table>";
+    }
   }
 
   os << "</div></td></tr>";