clang-c: Add the clang_getCursorVisibility() API

This patch adds an API for querying the visibility of the entity
referred to by a cursor.

Patch by Michael Wu <mwu@mozilla.com>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@271292 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 30 insertions, 0 deletions

diff --git a/tools/c-index-test/c-index-test.c b/tools/c-index-test/c-index-test.c
index 838c38a7b2..802140a350 100644
--- a/tools/c-index-test/c-index-test.c
+++ b/tools/c-index-test/c-index-test.c
@@ -1265,6 +1265,32 @@ static enum CXChildVisitResult PrintLinkage(CXCursor cursor, CXCursor p,
 }
 
 /******************************************************************************/
+/* Visibility testing.                                                        */
+/******************************************************************************/
+
+static enum CXChildVisitResult PrintVisibility(CXCursor cursor, CXCursor p,
+                                               CXClientData d) {
+  const char *visibility = 0;
+
+  if (clang_isInvalid(clang_getCursorKind(cursor)))
+    return CXChildVisit_Recurse;
+
+  switch (clang_getCursorVisibility(cursor)) {
+    case CXVisibility_Invalid: break;
+    case CXVisibility_Hidden: visibility = "Hidden"; break;
+    case CXVisibility_Protected: visibility = "Protected"; break;
+    case CXVisibility_Default: visibility = "Default"; break;
+  }
+
+  if (visibility) {
+    PrintCursor(cursor, NULL);
+    printf("visibility=%s\n", visibility);
+  }
+
+  return CXChildVisit_Recurse;
+}
+
+/******************************************************************************/
 /* Typekind testing.                                                          */
 /******************************************************************************/
 
@@ -4240,6 +4266,7 @@ static void print_usage(void) {
     "       c-index-test -test-inclusion-stack-tu <AST file>\n");
   fprintf(stderr,
     "       c-index-test -test-print-linkage-source {<args>}*\n"
+    "       c-index-test -test-print-visibility {<args>}*\n"
     "       c-index-test -test-print-type {<args>}*\n"
     "       c-index-test -test-print-type-size {<args>}*\n"
     "       c-index-test -test-print-bitwidth {<args>}*\n"
@@ -4334,6 +4361,9 @@ int cindextest_main(int argc, const char **argv) {
   else if (argc > 2 && strcmp(argv[1], "-test-print-linkage-source") == 0)
     return perform_test_load_source(argc - 2, argv + 2, "all", PrintLinkage,
                                     NULL);
+  else if (argc > 2 && strcmp(argv[1], "-test-print-visibility") == 0)
+    return perform_test_load_source(argc - 2, argv + 2, "all", PrintVisibility,
+                                    NULL);
   else if (argc > 2 && strcmp(argv[1], "-test-print-type") == 0)
     return perform_test_load_source(argc - 2, argv + 2, "all",
                                     PrintType, 0);