xref: /freebsd/contrib/llvm-project/llvm/include/llvm-c/BitReader.h (revision 8ddb146abcdf061be9f2c0db7e391697dafad85c)
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 
25 LLVM_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. */
39 LLVMBool 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. */
44 LLVMBool LLVMParseBitcode2(LLVMMemoryBufferRef MemBuf,
45                            LLVMModuleRef *OutModule);
46 
47 /* This is deprecated. Use LLVMParseBitcodeInContext2. */
48 LLVMBool LLVMParseBitcodeInContext(LLVMContextRef ContextRef,
49                                    LLVMMemoryBufferRef MemBuf,
50                                    LLVMModuleRef *OutModule, char **OutMessage);
51 
52 LLVMBool 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. */
60 LLVMBool LLVMGetBitcodeModuleInContext(LLVMContextRef ContextRef,
61                                        LLVMMemoryBufferRef MemBuf,
62                                        LLVMModuleRef *OutM, char **OutMessage);
63 
64 /** Reads a module from the specified path, returning via the OutMP parameter a
65  * module provider which performs lazy deserialization. Returns 0 on success. */
66 LLVMBool LLVMGetBitcodeModuleInContext2(LLVMContextRef ContextRef,
67                                         LLVMMemoryBufferRef MemBuf,
68                                         LLVMModuleRef *OutM);
69 
70 /* This is deprecated. Use LLVMGetBitcodeModule2. */
71 LLVMBool LLVMGetBitcodeModule(LLVMMemoryBufferRef MemBuf, LLVMModuleRef *OutM,
72                               char **OutMessage);
73 
74 LLVMBool LLVMGetBitcodeModule2(LLVMMemoryBufferRef MemBuf, LLVMModuleRef *OutM);
75 
76 /**
77  * @}
78  */
79 
80 LLVM_C_EXTERN_C_END
81 
82 #endif
83