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1 //===- Parser.cpp - Main dispatch module for the Parser library -----------===//
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 // This library implements the functionality defined in llvm/AsmParser/Parser.h
12 //===----------------------------------------------------------------------===//
14 #include "llvm/AsmParser/Parser.h"
16 #include "llvm/IR/Module.h"
17 #include "llvm/Support/MemoryBuffer.h"
18 #include "llvm/Support/SourceMgr.h"
19 #include "llvm/Support/raw_ostream.h"
21 #include <system_error>
24 bool llvm::parseAssemblyInto(MemoryBufferRef F
, Module
&M
, SMDiagnostic
&Err
) {
26 std::unique_ptr
<MemoryBuffer
> Buf
= MemoryBuffer::getMemBuffer(F
, false);
27 SM
.AddNewSourceBuffer(std::move(Buf
), SMLoc());
29 return LLParser(F
.getBuffer(), SM
, Err
, &M
).Run();
32 std::unique_ptr
<Module
> llvm::parseAssembly(MemoryBufferRef F
,
34 LLVMContext
&Context
) {
35 std::unique_ptr
<Module
> M
=
36 make_unique
<Module
>(F
.getBufferIdentifier(), Context
);
38 if (parseAssemblyInto(F
, *M
, Err
))
44 std::unique_ptr
<Module
> llvm::parseAssemblyFile(StringRef Filename
,
46 LLVMContext
&Context
) {
47 ErrorOr
<std::unique_ptr
<MemoryBuffer
>> FileOrErr
=
48 MemoryBuffer::getFileOrSTDIN(Filename
);
49 if (std::error_code EC
= FileOrErr
.getError()) {
50 Err
= SMDiagnostic(Filename
, SourceMgr::DK_Error
,
51 "Could not open input file: " + EC
.message());
55 return parseAssembly(FileOrErr
.get()->getMemBufferRef(), Err
, Context
);
58 std::unique_ptr
<Module
> llvm::parseAssemblyString(StringRef AsmString
,
60 LLVMContext
&Context
) {
61 MemoryBufferRef
F(AsmString
, "<string>");
62 return parseAssembly(F
, Err
, Context
);