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comparison lib/AsmParser/Parser.cpp @ 3:9ad51c7bc036

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1st commit. remove git dir and add all files.
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Wed, 15 May 2013 06:43:32 +0900
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-1:000000000000 3:9ad51c7bc036
1 //===- Parser.cpp - Main dispatch module for the Parser library -----------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This library implements the functionality defined in llvm/Assembly/Parser.h
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "llvm/Assembly/Parser.h"
15 #include "LLParser.h"
16 #include "llvm/ADT/OwningPtr.h"
17 #include "llvm/IR/Module.h"
18 #include "llvm/Support/MemoryBuffer.h"
19 #include "llvm/Support/SourceMgr.h"
20 #include "llvm/Support/raw_ostream.h"
21 #include "llvm/Support/system_error.h"
22 #include <cstring>
23 using namespace llvm;
24
25 Module *llvm::ParseAssembly(MemoryBuffer *F,
26 Module *M,
27 SMDiagnostic &Err,
28 LLVMContext &Context) {
29 SourceMgr SM;
30 SM.AddNewSourceBuffer(F, SMLoc());
31
32 // If we are parsing into an existing module, do it.
33 if (M)
34 return LLParser(F, SM, Err, M).Run() ? 0 : M;
35
36 // Otherwise create a new module.
37 OwningPtr<Module> M2(new Module(F->getBufferIdentifier(), Context));
38 if (LLParser(F, SM, Err, M2.get()).Run())
39 return 0;
40 return M2.take();
41 }
42
43 Module *llvm::ParseAssemblyFile(const std::string &Filename, SMDiagnostic &Err,
44 LLVMContext &Context) {
45 OwningPtr<MemoryBuffer> File;
46 if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), File)) {
47 Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
48 "Could not open input file: " + ec.message());
49 return 0;
50 }
51
52 return ParseAssembly(File.take(), 0, Err, Context);
53 }
54
55 Module *llvm::ParseAssemblyString(const char *AsmString, Module *M,
56 SMDiagnostic &Err, LLVMContext &Context) {
57 MemoryBuffer *F =
58 MemoryBuffer::getMemBuffer(StringRef(AsmString, strlen(AsmString)),
59 "<string>");
60
61 return ParseAssembly(F, M, Err, Context);
62 }