LLVM API Documentation

MCAsmParser.cpp
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00001 //===-- MCAsmParser.cpp - Abstract Asm Parser Interface -------------------===//
00002 //
00003 //                     The LLVM Compiler Infrastructure
00004 //
00005 // This file is distributed under the University of Illinois Open Source
00006 // License. See LICENSE.TXT for details.
00007 //
00008 //===----------------------------------------------------------------------===//
00009 
00010 #include "llvm/MC/MCParser/MCAsmParser.h"
00011 #include "llvm/ADT/Twine.h"
00012 #include "llvm/MC/MCParser/MCAsmLexer.h"
00013 #include "llvm/MC/MCParser/MCParsedAsmOperand.h"
00014 #include "llvm/MC/MCTargetAsmParser.h"
00015 #include "llvm/Support/Debug.h"
00016 #include "llvm/Support/SourceMgr.h"
00017 #include "llvm/Support/raw_ostream.h"
00018 using namespace llvm;
00019 
00020 MCAsmParser::MCAsmParser() : TargetParser(nullptr), ShowParsedOperands(0) {
00021 }
00022 
00023 MCAsmParser::~MCAsmParser() {
00024 }
00025 
00026 void MCAsmParser::setTargetParser(MCTargetAsmParser &P) {
00027   assert(!TargetParser && "Target parser is already initialized!");
00028   TargetParser = &P;
00029   TargetParser->Initialize(*this);
00030 }
00031 
00032 const AsmToken &MCAsmParser::getTok() {
00033   return getLexer().getTok();
00034 }
00035 
00036 bool MCAsmParser::TokError(const Twine &Msg, ArrayRef<SMRange> Ranges) {
00037   Error(getLexer().getLoc(), Msg, Ranges);
00038   return true;
00039 }
00040 
00041 bool MCAsmParser::parseExpression(const MCExpr *&Res) {
00042   SMLoc L;
00043   return parseExpression(Res, L);
00044 }
00045 
00046 void MCParsedAsmOperand::dump() const {
00047 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
00048   dbgs() << "  " << *this;
00049 #endif
00050 }