55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
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//===-- CGBlocks.h - state for LLVM CodeGen for blocks ----------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This is the internal state used for llvm translation for block literals.
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//
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//===----------------------------------------------------------------------===//
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#ifndef CLANG_CODEGEN_CGBLOCKS_H
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#define CLANG_CODEGEN_CGBLOCKS_H
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namespace clang {
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namespace CodeGen {
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class BlockBase {
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public:
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enum {
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BLOCK_NEEDS_FREE = (1 << 24),
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BLOCK_HAS_COPY_DISPOSE = (1 << 25),
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BLOCK_HAS_CXX_OBJ = (1 << 26),
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BLOCK_IS_GC = (1 << 27),
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BLOCK_IS_GLOBAL = (1 << 28),
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BLOCK_HAS_DESCRIPTOR = (1 << 29)
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};
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};
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class BlockModule : public BlockBase {
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};
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class BlockFunction : public BlockBase {
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public:
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enum {
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BLOCK_FIELD_IS_OBJECT = 3, /* id, NSObject, __attribute__((NSObject)),
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block, ... */
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BLOCK_FIELD_IS_BLOCK = 7, /* a block variable */
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BLOCK_FIELD_IS_BYREF = 8, /* the on stack structure holding the __block
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variable */
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BLOCK_FIELD_IS_WEAK = 16, /* declared __weak, only used in byref copy
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helpers */
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BLOCK_BYREF_CALLER = 128 /* called from __block (byref) copy/dispose
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support routines */
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};
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};
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} // end namespace CodeGen
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} // end namespace clang
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#endif
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