text: /*
     +----------------------------------------------------------------------+
     | HipHop for PHP                                                       |
     +----------------------------------------------------------------------+
     | Copyright (c) 2010-2014 Facebook, Inc. (http://www.facebook.com)     |
     +----------------------------------------------------------------------+
     | This source file is subject to version 3.01 of the PHP license,      |
     | that is bundled with this package in the file LICENSE, and is        |
     | available through the world-wide-web at the following url:           |
     | http://www.php.net/license/3_01.txt                                  |
     | If you did not receive a copy of the PHP license and are unable to   |
     | obtain it through the world-wide-web, please send a note to          |
     | license@php.net so we can mail you a copy immediately.               |
     +----------------------------------------------------------------------+
  */
  
  #ifndef incl_HPHP_JIT_VASM_PRINT_H_
  #define incl_HPHP_JIT_VASM_PRINT_H_
  
  #include "hphp/runtime/vm/jit/vasm-x64.h"
  
  #include <vector>
  #include <iostream>
  #include <string>
  
  namespace HPHP { namespace jit {
  
  std::string show(Vreg r);
  std::string show(Vptr p);
  std::string show(const Vunit& unit);
  std::string show(const Vunit& unit, const Vinstr& inst);
  
  // print a dot-compatible digraph of the blocks (without contents)
  void printCfg(const Vunit& unit, const jit::vector<Vlabel>& blocks);
  void printCfg(std::ostream& out, const Vunit& unit,
                const jit::vector<Vlabel>& blocks);
  
  // Tracing level constants.
  constexpr int kInitialVasmLevel = 1;
  constexpr int kVasmImmsLevel = 2;
  constexpr int kVasmCodeGenLevel = 2;
  constexpr int kVasmRegAllocLevel = 3;
  constexpr int kVasmJumpsLevel = 4;
  constexpr int kVasmDCELevel = 4;
  
  // Print the cfg digraph followed by a vasm code listing, if the trace level is
  // above `level'.
  void printUnit(int level,
                 const std::string& caption,
                 const Vunit& unit);
  
  // main, cold, frozen
  extern const char* area_names[];
  
  } }
  
  #endif
  