| //===- 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/Assembly/Parser.h |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/Assembly/Parser.h" |
| #include "LLParser.h" |
| #include "llvm/Module.h" |
| #include "llvm/ADT/OwningPtr.h" |
| #include "llvm/Support/SourceMgr.h" |
| #include "llvm/Support/MemoryBuffer.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include <cstring> |
| 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() ? 0 : M; |
| |
| // Otherwise create a new module. |
| OwningPtr<Module> M2(new Module(F->getBufferIdentifier(), Context)); |
| if (LLParser(F, SM, Err, M2.get()).Run()) |
| return 0; |
| return M2.take(); |
| } |
| |
| Module *llvm::ParseAssemblyFile(const std::string &Filename, SMDiagnostic &Err, |
| LLVMContext &Context) { |
| std::string ErrorStr; |
| MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr); |
| if (F == 0) { |
| Err = SMDiagnostic("", -1, -1, |
| "Could not open input file '" + Filename + "'", ""); |
| return 0; |
| } |
| |
| return ParseAssembly(F, 0, Err, Context); |
| } |
| |
| Module *llvm::ParseAssemblyString(const char *AsmString, Module *M, |
| SMDiagnostic &Err, LLVMContext &Context) { |
| MemoryBuffer *F = |
| MemoryBuffer::getMemBuffer(AsmString, AsmString+strlen(AsmString), |
| "<string>"); |
| |
| return ParseAssembly(F, M, Err, Context); |
| } |