- Add back some harmless code that part of a reverted commit (r80859). I'll investigate the lifetime snafu (with ASTUnit) separately.
- Traverse category methods, add a "class ref" and make the little test harness a bit more flexible.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80921 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/c-index-test/c-index-test.c b/tools/c-index-test/c-index-test.c
index 2d2be15..dbf31be 100644
--- a/tools/c-index-test/c-index-test.c
+++ b/tools/c-index-test/c-index-test.c
@@ -2,26 +2,32 @@
 
 #include "clang-c/Index.h"
 #include <stdio.h>
+#include <string.h>
+
+static void PrintCursor(CXCursor Cursor) {
+  printf("%s => %s\n", clang_getCursorKindSpelling(Cursor.kind),
+                       clang_getCursorSpelling(Cursor));
+}
 
 static void DeclVisitor(CXDecl Dcl, CXCursor Cursor, CXClientData Filter) 
 {
   if (!Filter || (Cursor.kind == *(enum CXCursorKind *)Filter)) {
-    printf("%s => %s", clang_getCursorKindSpelling(Cursor.kind),
-                       clang_getCursorSpelling(Cursor));
-    printf(" (%s,%d:%d)\n", clang_getCursorSource(Cursor),
-                            clang_getCursorLine(Cursor),
-                            clang_getCursorColumn(Cursor));
+    PrintCursor(Cursor);
+    printf("  Context: %s\n", clang_getDeclSpelling(Dcl));
+    printf("  Source:  %s (%d:%d)\n", clang_getCursorSource(Cursor),
+                                      clang_getCursorLine(Cursor),
+                                      clang_getCursorColumn(Cursor));
   }
 }
 static void TranslationUnitVisitor(CXTranslationUnit Unit, CXCursor Cursor,
                                    CXClientData Filter) 
 {
   if (!Filter || (Cursor.kind == *(enum CXCursorKind *)Filter)) {
-    printf("%s => %s", clang_getCursorKindSpelling(Cursor.kind),
-                       clang_getCursorSpelling(Cursor));
-    printf(" (%s,%d:%d)\n", clang_getCursorSource(Cursor),
-                            clang_getCursorLine(Cursor),
-                            clang_getCursorColumn(Cursor));
+    PrintCursor(Cursor);
+    printf("  Context: %s\n", clang_getTranslationUnitSpelling(Unit));
+    printf("  Source:  %s (%d:%d)\n", clang_getCursorSource(Cursor),
+                                      clang_getCursorLine(Cursor),
+                                      clang_getCursorColumn(Cursor));
 
     clang_loadDeclaration(Cursor.decl, DeclVisitor, 0);
   }
@@ -34,6 +40,18 @@
   CXIndex Idx = clang_createIndex();
   CXTranslationUnit TU = clang_createTranslationUnit(Idx, argv[1]);
   
-  clang_loadTranslationUnit(TU, TranslationUnitVisitor, 0);
+  if (argc == 2)
+    clang_loadTranslationUnit(TU, TranslationUnitVisitor, 0);
+  else if (argc == 3) {
+    enum CXCursorKind K = CXCursor_Invalid;
+    
+    if (!strcmp(argv[2], "category")) K = CXCursor_ObjCCategoryDecl;
+    else if (!strcmp(argv[2], "interface")) K = CXCursor_ObjCInterfaceDecl;
+    else if (!strcmp(argv[2], "protocol")) K = CXCursor_ObjCProtocolDecl;
+    else if (!strcmp(argv[2], "function")) K = CXCursor_FunctionDecl;
+    else if (!strcmp(argv[2], "typedef")) K = CXCursor_TypedefDecl;
+    
+    clang_loadTranslationUnit(TU, TranslationUnitVisitor, &K);
+  }
   return 1;
 }