1193323Sed//===- Parser.cpp - Main dispatch module for the Parser library -----------===// 2193323Sed// 3193323Sed// The LLVM Compiler Infrastructure 4193323Sed// 5193323Sed// This file is distributed under the University of Illinois Open Source 6193323Sed// License. See LICENSE.TXT for details. 7193323Sed// 8193323Sed//===----------------------------------------------------------------------===// 9193323Sed// 10193323Sed// This library implements the functionality defined in llvm/Assembly/Parser.h 11193323Sed// 12193323Sed//===----------------------------------------------------------------------===// 13193323Sed 14193323Sed#include "llvm/Assembly/Parser.h" 15193323Sed#include "LLParser.h" 16193323Sed#include "llvm/ADT/OwningPtr.h" 17249423Sdim#include "llvm/IR/Module.h" 18249423Sdim#include "llvm/Support/MemoryBuffer.h" 19195340Sed#include "llvm/Support/SourceMgr.h" 20193323Sed#include "llvm/Support/raw_ostream.h" 21218893Sdim#include "llvm/Support/system_error.h" 22193323Sed#include <cstring> 23193323Sedusing namespace llvm; 24193323Sed 25198090SrdivackyModule *llvm::ParseAssembly(MemoryBuffer *F, 26198090Srdivacky Module *M, 27198090Srdivacky SMDiagnostic &Err, 28198090Srdivacky LLVMContext &Context) { 29198090Srdivacky SourceMgr SM; 30198090Srdivacky SM.AddNewSourceBuffer(F, SMLoc()); 31198090Srdivacky 32198090Srdivacky // If we are parsing into an existing module, do it. 33198090Srdivacky if (M) 34198090Srdivacky return LLParser(F, SM, Err, M).Run() ? 0 : M; 35198090Srdivacky 36198090Srdivacky // Otherwise create a new module. 37198090Srdivacky OwningPtr<Module> M2(new Module(F->getBufferIdentifier(), Context)); 38198090Srdivacky if (LLParser(F, SM, Err, M2.get()).Run()) 39198090Srdivacky return 0; 40198090Srdivacky return M2.take(); 41198090Srdivacky} 42198090Srdivacky 43195340SedModule *llvm::ParseAssemblyFile(const std::string &Filename, SMDiagnostic &Err, 44195340Sed LLVMContext &Context) { 45218893Sdim OwningPtr<MemoryBuffer> File; 46263508Sdim if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, File)) { 47234353Sdim Err = SMDiagnostic(Filename, SourceMgr::DK_Error, 48218893Sdim "Could not open input file: " + ec.message()); 49193323Sed return 0; 50193323Sed } 51193323Sed 52218893Sdim return ParseAssembly(File.take(), 0, Err, Context); 53193323Sed} 54193323Sed 55193323SedModule *llvm::ParseAssemblyString(const char *AsmString, Module *M, 56195340Sed SMDiagnostic &Err, LLVMContext &Context) { 57195340Sed MemoryBuffer *F = 58206274Srdivacky MemoryBuffer::getMemBuffer(StringRef(AsmString, strlen(AsmString)), 59195340Sed "<string>"); 60193323Sed 61198090Srdivacky return ParseAssembly(F, M, Err, Context); 62193323Sed} 63