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      1 //===-- MCAsmParser.cpp - Abstract Asm Parser Interface -------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 #include "llvm/MC/MCParser/MCAsmParser.h"
     11 #include "llvm/ADT/Twine.h"
     12 #include "llvm/MC/MCParser/MCAsmLexer.h"
     13 #include "llvm/MC/MCParser/MCParsedAsmOperand.h"
     14 #include "llvm/MC/MCTargetAsmParser.h"
     15 #include "llvm/Support/Debug.h"
     16 #include "llvm/Support/SourceMgr.h"
     17 #include "llvm/Support/raw_ostream.h"
     18 using namespace llvm;
     19 
     20 MCAsmParser::MCAsmParser() : TargetParser(nullptr), ShowParsedOperands(0) {
     21 }
     22 
     23 MCAsmParser::~MCAsmParser() {
     24 }
     25 
     26 void MCAsmParser::setTargetParser(MCTargetAsmParser &P) {
     27   assert(!TargetParser && "Target parser is already initialized!");
     28   TargetParser = &P;
     29   TargetParser->Initialize(*this);
     30 }
     31 
     32 const AsmToken &MCAsmParser::getTok() {
     33   return getLexer().getTok();
     34 }
     35 
     36 bool MCAsmParser::TokError(const Twine &Msg, ArrayRef<SMRange> Ranges) {
     37   Error(getLexer().getLoc(), Msg, Ranges);
     38   return true;
     39 }
     40 
     41 bool MCAsmParser::parseExpression(const MCExpr *&Res) {
     42   SMLoc L;
     43   return parseExpression(Res, L);
     44 }
     45 
     46 void MCParsedAsmOperand::dump() const {
     47 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
     48   dbgs() << "  " << *this;
     49 #endif
     50 }
     51