[libclang 6/8] Add support for reading implicit attributes

Summary:
Having access to implicit attributes is sometimes useful so users of libclang don't have to duplicate some of the logic in sema.

This depends on D49081 since it also adds a CXTranslationUnit flag.

Reviewers: yvvan, jbcoe

Reviewed By: yvvan

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D49631

llvm-svn: 338815

1 files changed, 22 insertions, 0 deletions

diff --git a/clang/tools/c-index-test/c-index-test.c b/clang/tools/c-index-test/c-index-test.c
index 336e35b..41dbbe7 100644
--- a/clang/tools/c-index-test/c-index-test.c
+++ b/clang/tools/c-index-test/c-index-test.c
@@ -86,6 +86,8 @@ static unsigned getDefaultParsingOptions() {
     options |= CXTranslationUnit_LimitSkipFunctionBodiesToPreamble;
   if (getenv("CINDEXTEST_INCLUDE_ATTRIBUTED_TYPES"))
     options |= CXTranslationUnit_IncludeAttributedTypes;
+  if (getenv("CINDEXTEST_VISIT_IMPLICIT_ATTRIBUTES"))
+    options |= CXTranslationUnit_VisitImplicitAttributes;
 
   return options;
 }
@@ -1783,6 +1785,23 @@ static enum CXChildVisitResult PrintTypeDeclaration(CXCursor cursor, CXCursor p,
 }
 
 /******************************************************************************/
+/* Declaration attributes testing                                             */
+/******************************************************************************/
+
+static enum CXChildVisitResult PrintDeclAttributes(CXCursor cursor, CXCursor p,
+                                                   CXClientData d) {
+  if (clang_isDeclaration(cursor.kind)) {
+    printf("\n");
+    PrintCursor(cursor, NULL);
+    return CXChildVisit_Recurse;
+  } else if (clang_isAttribute(cursor.kind)) {
+    printf(" ");
+    PrintCursor(cursor, NULL);
+  }
+  return CXChildVisit_Continue;
+}
+
+/******************************************************************************/
 /* Target information testing.                                                */
 /******************************************************************************/
 
@@ -4793,6 +4812,9 @@ int cindextest_main(int argc, const char **argv) {
   else if (argc > 2 && strcmp(argv[1], "-test-print-type-declaration") == 0)
     return perform_test_load_source(argc - 2, argv + 2, "all",
                                     PrintTypeDeclaration, 0);
+  else if (argc > 2 && strcmp(argv[1], "-test-print-decl-attributes") == 0)
+    return perform_test_load_source(argc - 2, argv + 2, "all",
+                                    PrintDeclAttributes, 0);
   else if (argc > 2 && strcmp(argv[1], "-test-print-bitwidth") == 0)
     return perform_test_load_source(argc - 2, argv + 2, "all",
                                     PrintBitWidth, 0);