1/*===-- llvm-c/BitReader.h - BitReader Library C Interface ------*- C++ -*-===*\
2|* *|
3|* Part of the LLVM Project, under the Apache License v2.0 with LLVM *|
4|* Exceptions. *|
5|* See https://llvm.org/LICENSE.txt for license information. *|
6|* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception *|
7|* *|
8|*===----------------------------------------------------------------------===*|
9|* *|
10|* This header declares the C interface to libLLVMBitReader.a, which *|
11|* implements input of the LLVM bitcode format. *|
12|* *|
13|* Many exotic languages can interoperate with C code but have a harder time *|
14|* with C++ due to name mangling. So in addition to C, this interface enables *|
15|* tools written in such languages. *|
16|* *|
17\*===----------------------------------------------------------------------===*/
18
19#ifndef LLVM_C_BITREADER_H
20#define LLVM_C_BITREADER_H
21
22#include "llvm-c/ExternC.h"
23#include "llvm-c/Types.h"
24
25LLVM_C_EXTERN_C_BEGIN
26
27/**
28 * @defgroup LLVMCBitReader Bit Reader
29 * @ingroup LLVMC
30 *
31 * @{
32 */
33
34/* Builds a module from the bitcode in the specified memory buffer, returning a
35 reference to the module via the OutModule parameter. Returns 0 on success.
36 Optionally returns a human-readable error message via OutMessage.
37
38 This is deprecated. Use LLVMParseBitcode2. */
39LLVMBool LLVMParseBitcode(LLVMMemoryBufferRef MemBuf, LLVMModuleRef *OutModule,
40 char **OutMessage);
41
42/* Builds a module from the bitcode in the specified memory buffer, returning a
43 reference to the module via the OutModule parameter. Returns 0 on success. */
44LLVMBool LLVMParseBitcode2(LLVMMemoryBufferRef MemBuf,
45 LLVMModuleRef *OutModule);
46
47/* This is deprecated. Use LLVMParseBitcodeInContext2. */
48LLVMBool LLVMParseBitcodeInContext(LLVMContextRef ContextRef,
49 LLVMMemoryBufferRef MemBuf,
50 LLVMModuleRef *OutModule, char **OutMessage);
51
52LLVMBool LLVMParseBitcodeInContext2(LLVMContextRef ContextRef,
53 LLVMMemoryBufferRef MemBuf,
54 LLVMModuleRef *OutModule);
55
56/** Reads a module from the specified path, returning via the OutMP parameter
57 a module provider which performs lazy deserialization. Returns 0 on success.
58 Optionally returns a human-readable error message via OutMessage.
59 This is deprecated. Use LLVMGetBitcodeModuleInContext2. */
60LLVMBool LLVMGetBitcodeModuleInContext(LLVMContextRef ContextRef,
61 LLVMMemoryBufferRef MemBuf,
62 LLVMModuleRef *OutM, char **OutMessage);
63
64/** Reads a module from the given memory buffer, returning via the OutMP
65 * parameter a module provider which performs lazy deserialization.
66 *
67 * Returns 0 on success.
68 *
69 * Takes ownership of \p MemBuf if (and only if) the module was read
70 * successfully. */
71LLVMBool LLVMGetBitcodeModuleInContext2(LLVMContextRef ContextRef,
72 LLVMMemoryBufferRef MemBuf,
73 LLVMModuleRef *OutM);
74
75/* This is deprecated. Use LLVMGetBitcodeModule2. */
76LLVMBool LLVMGetBitcodeModule(LLVMMemoryBufferRef MemBuf, LLVMModuleRef *OutM,
77 char **OutMessage);
78
79LLVMBool LLVMGetBitcodeModule2(LLVMMemoryBufferRef MemBuf, LLVMModuleRef *OutM);
80
81/**
82 * @}
83 */
84
85LLVM_C_EXTERN_C_END
86
87#endif
88