Initial work to improve documentation for Clang's diagnostics, from Matthieu Monrocq

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129613 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/TableGen.cpp b/utils/TableGen/TableGen.cpp
index 3b7dc01..aa92302 100644
--- a/utils/TableGen/TableGen.cpp
+++ b/utils/TableGen/TableGen.cpp
@@ -65,6 +65,7 @@
   GenClangAttrSpellingList,
   GenClangDiagsDefs,
   GenClangDiagGroups,
+  GenClangDiagsIndexName,
   GenClangDeclNodes,
   GenClangStmtNodes,
   GenClangSACheckers,
@@ -133,12 +134,16 @@
                                "Generate clang PCH attribute reader"),
                     clEnumValN(GenClangAttrPCHWrite, "gen-clang-attr-pch-write",
                                "Generate clang PCH attribute writer"),
-                    clEnumValN(GenClangAttrSpellingList, "gen-clang-attr-spelling-list",
+                    clEnumValN(GenClangAttrSpellingList,
+                               "gen-clang-attr-spelling-list",
                                "Generate a clang attribute spelling list"),
                     clEnumValN(GenClangDiagsDefs, "gen-clang-diags-defs",
                                "Generate Clang diagnostics definitions"),
                     clEnumValN(GenClangDiagGroups, "gen-clang-diag-groups",
                                "Generate Clang diagnostic groups"),
+                    clEnumValN(GenClangDiagsIndexName,
+                               "gen-clang-diags-index-name",
+                               "Generate Clang diagnostic name index"),
                     clEnumValN(GenClangDeclNodes, "gen-clang-decl-nodes",
                                "Generate Clang AST declaration nodes"),
                     clEnumValN(GenClangStmtNodes, "gen-clang-stmt-nodes",
@@ -295,6 +300,9 @@
     case GenClangDiagGroups:
       ClangDiagGroupsEmitter(Records).run(Out.os());
       break;
+    case GenClangDiagsIndexName:
+      ClangDiagsIndexNameEmitter(Records).run(Out.os());
+      break;
     case GenClangDeclNodes:
       ClangASTNodesEmitter(Records, "Decl", "Decl").run(Out.os());
       ClangDeclContextEmitter(Records).run(Out.os());