llvm-6502/lib/AsmParser/Parser.cpp
Rafael Espindola 4e2b922131 Remove 'using std::errro_code' from lib.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210871 91177308-0d34-0410-b5e6-96231b3b80d8
2014-06-13 02:24:39 +00:00

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2.1 KiB
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//===- Parser.cpp - Main dispatch module for the Parser library -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This library implements the functionality defined in llvm/AsmParser/Parser.h
//
//===----------------------------------------------------------------------===//
#include "llvm/AsmParser/Parser.h"
#include "LLParser.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/raw_ostream.h"
#include <cstring>
#include <system_error>
using namespace llvm;
Module *llvm::ParseAssembly(MemoryBuffer *F,
Module *M,
SMDiagnostic &Err,
LLVMContext &Context) {
SourceMgr SM;
SM.AddNewSourceBuffer(F, SMLoc());
// If we are parsing into an existing module, do it.
if (M)
return LLParser(F, SM, Err, M).Run() ? nullptr : M;
// Otherwise create a new module.
std::unique_ptr<Module> M2(new Module(F->getBufferIdentifier(), Context));
if (LLParser(F, SM, Err, M2.get()).Run())
return nullptr;
return M2.release();
}
Module *llvm::ParseAssemblyFile(const std::string &Filename, SMDiagnostic &Err,
LLVMContext &Context) {
std::unique_ptr<MemoryBuffer> File;
if (std::error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, File)) {
Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
"Could not open input file: " + ec.message());
return nullptr;
}
return ParseAssembly(File.release(), nullptr, Err, Context);
}
Module *llvm::ParseAssemblyString(const char *AsmString, Module *M,
SMDiagnostic &Err, LLVMContext &Context) {
MemoryBuffer *F =
MemoryBuffer::getMemBuffer(StringRef(AsmString, strlen(AsmString)),
"<string>");
return ParseAssembly(F, M, Err, Context);
}