Added cursor visitor that takes a block as an argument. Tested compiling
libclang with both clang -fblocks and gcc (no blocks support). Only exposed in
the header to compilers that do have blocks support.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118170 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang-c/Index.h b/include/clang-c/Index.h
index bb76c56..20c8c11 100644
--- a/include/clang-c/Index.h
+++ b/include/clang-c/Index.h
@@ -1828,6 +1828,29 @@
CINDEX_LINKAGE unsigned clang_visitChildren(CXCursor parent,
CXCursorVisitor visitor,
CXClientData client_data);
+#ifdef __has_feature
+# if __has_feature(blocks)
+/**
+ * \brief Visitor invoked for each cursor found by a traversal.
+ *
+ * This visitor block will be invoked for each cursor found by
+ * clang_visitChildrenWithBlock(). Its first argument is the cursor being
+ * visited, its second argument is the parent visitor for that cursor.
+ *
+ * The visitor should return one of the \c CXChildVisitResult values
+ * to direct clang_visitChildrenWithBlock().
+ */
+typedef enum CXChildVisitResult
+ (^CXCursorVisitorBlock)(CXCursor cursor, CXCursor parent);
+
+/**
+ * Visits the children of a cursor using the specified block. Behaves
+ * identically to clang_visitChildren() in all other respects.
+ */
+unsigned clang_visitChildrenWithBlock(CXCursor parent,
+ CXCursorVisitorBlock block);
+# endif
+#endif
/**
* @}