Parser.cpp revision 206274
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/Module.h" 17193323Sed#include "llvm/ADT/OwningPtr.h" 18195340Sed#include "llvm/Support/SourceMgr.h" 19193323Sed#include "llvm/Support/MemoryBuffer.h" 20193323Sed#include "llvm/Support/raw_ostream.h" 21193323Sed#include <cstring> 22193323Sedusing namespace llvm; 23193323Sed 24198090SrdivackyModule *llvm::ParseAssembly(MemoryBuffer *F, 25198090Srdivacky Module *M, 26198090Srdivacky SMDiagnostic &Err, 27198090Srdivacky LLVMContext &Context) { 28198090Srdivacky SourceMgr SM; 29198090Srdivacky SM.AddNewSourceBuffer(F, SMLoc()); 30198090Srdivacky 31198090Srdivacky // If we are parsing into an existing module, do it. 32198090Srdivacky if (M) 33198090Srdivacky return LLParser(F, SM, Err, M).Run() ? 0 : M; 34198090Srdivacky 35198090Srdivacky // Otherwise create a new module. 36198090Srdivacky OwningPtr<Module> M2(new Module(F->getBufferIdentifier(), Context)); 37198090Srdivacky if (LLParser(F, SM, Err, M2.get()).Run()) 38198090Srdivacky return 0; 39198090Srdivacky return M2.take(); 40198090Srdivacky} 41198090Srdivacky 42195340SedModule *llvm::ParseAssemblyFile(const std::string &Filename, SMDiagnostic &Err, 43195340Sed LLVMContext &Context) { 44193323Sed std::string ErrorStr; 45195340Sed MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr); 46193323Sed if (F == 0) { 47206274Srdivacky Err = SMDiagnostic(SMLoc(), "", -1, -1, 48202878Srdivacky "Could not open input file '" + Filename + "': " + 49202878Srdivacky ErrorStr, ""); 50193323Sed return 0; 51193323Sed } 52193323Sed 53198090Srdivacky return ParseAssembly(F, 0, Err, Context); 54193323Sed} 55193323Sed 56193323SedModule *llvm::ParseAssemblyString(const char *AsmString, Module *M, 57195340Sed SMDiagnostic &Err, LLVMContext &Context) { 58195340Sed MemoryBuffer *F = 59206274Srdivacky MemoryBuffer::getMemBuffer(StringRef(AsmString, strlen(AsmString)), 60195340Sed "<string>"); 61193323Sed 62198090Srdivacky return ParseAssembly(F, M, Err, Context); 63193323Sed} 64