1 //===- llvm/Metadata.def - Metadata definitions -----------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Macros for running through all types of metadata.
12 //===----------------------------------------------------------------------===//
14 #if !(defined HANDLE_METADATA || defined HANDLE_METADATA_LEAF || \
15 defined HANDLE_METADATA_BRANCH)
16 #error "Missing macro definition of HANDLE_METADATA*"
19 // Handler for all types of metadata.
20 #ifndef HANDLE_METADATA
21 #define HANDLE_METADATA(CLASS)
24 // Handler for leaf nodes in the class hierarchy.
25 #ifndef HANDLE_METADATA_LEAF
26 #define HANDLE_METADATA_LEAF(CLASS) HANDLE_METADATA(CLASS)
29 // Handler for non-leaf nodes in the class hierarchy.
30 #ifndef HANDLE_METADATA_BRANCH
31 #define HANDLE_METADATA_BRANCH(CLASS) HANDLE_METADATA(CLASS)
34 HANDLE_METADATA_LEAF(MDString)
35 HANDLE_METADATA_BRANCH(ValueAsMetadata)
36 HANDLE_METADATA_LEAF(ConstantAsMetadata)
37 HANDLE_METADATA_LEAF(LocalAsMetadata)
38 HANDLE_METADATA_BRANCH(MDNode)
39 HANDLE_METADATA_LEAF(MDNodeFwdDecl)
40 HANDLE_METADATA_LEAF(GenericMDNode)
42 #undef HANDLE_METADATA
43 #undef HANDLE_METADATA_LEAF
44 #undef HANDLE_METADATA_BRANCH