michaelwu updated this revision to Diff 40100.
michaelwu added a comment.
This removes the test for protected visibility and improves documentation for
clang_getCursorVisibility.
http://reviews.llvm.org/D13388
Files:
include/clang-c/Index.h
test/Index/symbol-visibility.c
tools/c-index-test/c-index-test.c
tools/libclang/CIndex.cpp
tools/libclang/libclang.exports
Index: tools/libclang/libclang.exports
===================================================================
--- tools/libclang/libclang.exports
+++ tools/libclang/libclang.exports
@@ -176,6 +176,7 @@
clang_getCursorSpelling
clang_getCursorType
clang_getCursorUSR
+clang_getCursorVisibility
clang_getDeclObjCTypeEncoding
clang_getDefinitionSpellingAndExtent
clang_getDiagnostic
Index: tools/libclang/CIndex.cpp
===================================================================
--- tools/libclang/CIndex.cpp
+++ tools/libclang/CIndex.cpp
@@ -6428,6 +6428,27 @@
} // end: extern "C"
//===----------------------------------------------------------------------===//
+// Operations for querying visibility of a cursor.
+//===----------------------------------------------------------------------===//
+
+extern "C" {
+CXVisibilityKind clang_getCursorVisibility(CXCursor cursor) {
+ if (!clang_isDeclaration(cursor.kind))
+ return CXVisibility_Invalid;
+
+ const Decl *D = cxcursor::getCursorDecl(cursor);
+ if (const NamedDecl *ND = dyn_cast_or_null<NamedDecl>(D))
+ switch (ND->getVisibility()) {
+ case HiddenVisibility: return CXVisibility_Hidden;
+ case ProtectedVisibility: return CXVisibility_Protected;
+ case DefaultVisibility: return CXVisibility_Default;
+ };
+
+ return CXVisibility_Invalid;
+}
+} // end: extern "C"
+
+//===----------------------------------------------------------------------===//
// Operations for querying language of a cursor.
//===----------------------------------------------------------------------===//
Index: tools/c-index-test/c-index-test.c
===================================================================
--- tools/c-index-test/c-index-test.c
+++ tools/c-index-test/c-index-test.c
@@ -1248,6 +1248,32 @@
}
/******************************************************************************/
+/* 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. */
/******************************************************************************/
@@ -4084,6 +4110,7 @@
" 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"
@@ -4171,6 +4198,9 @@
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);
Index: test/Index/symbol-visibility.c
===================================================================
--- /dev/null
+++ test/Index/symbol-visibility.c
@@ -0,0 +1,7 @@
+// RUN: c-index-test -test-print-visibility %s | FileCheck %s
+
+__attribute__ ((visibility ("default"))) void foo1();
+__attribute__ ((visibility ("hidden"))) void foo2();
+
+// CHECK: FunctionDecl=foo1:3:47visibility=Default
+// CHECK: FunctionDecl=foo2:4:46visibility=Hidden
Index: include/clang-c/Index.h
===================================================================
--- include/clang-c/Index.h
+++ include/clang-c/Index.h
@@ -2449,6 +2449,32 @@
CINDEX_LINKAGE enum CXLinkageKind clang_getCursorLinkage(CXCursor cursor);
/**
+ * \brief Describe the visibility of the entity referred to by a cursor.
+ *
+ * This returns the default visibility if not explicitly specified by
+ * a visibility attribute. The default visibility may be changed by
+ * commandline arguments.
+ *
+ * \param cursor The cursor to query.
+ *
+ * \returns The visibility of the cursor.
+ */
+enum CXVisibilityKind {
+ /** \brief This value indicates that no visibility information is available
+ * for a provided CXCursor. */
+ CXVisibility_Invalid,
+
+ /** \brief Symbol not seen by the linker. */
+ CXVisibility_Hidden,
+ /** \brief Symbol seen by the linker but resolves to a symbol inside this object. */
+ CXVisibility_Protected,
+ /** \brief Symbol seen by the linker and acts like a normal symbol. */
+ CXVisibility_Default,
+};
+
+CINDEX_LINKAGE enum CXVisibilityKind clang_getCursorVisibility(CXCursor cursor);
+
+/**
* \brief Determine the availability of the entity that this cursor refers to,
* taking the current target platform into account.
*
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