1/* 2 * Copyright (c) 2002-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Nathan Binkert 29 * Steve Reinhardt 30 */ 31 32#ifndef __CPRINTF_HH__ 33#define __CPRINTF_HH__ 34 35#include <iostream> 36#include <list> 37#include <string> 38 39#include "base/cprintf_formats.hh" 40 41namespace cp { 42 43class ArgList 44{ 45 private: 46 class Base 47 { 48 public: 49 virtual ~Base() {} 50 virtual void process(std::ostream &out, Format &fmt) = 0; 51 }; 52 53 template <typename T> 54 class Node : public Base 55 { 56 public: 57 const T &data; 58 59 public: 60 Node(const T &d) : data(d) {} 61 virtual void process(std::ostream &out, Format &fmt) { 62 switch (fmt.format) { 63 case Format::character: 64 format_char(out, data, fmt); 65 break; 66 67 case Format::integer: 68 format_integer(out, data, fmt); 69 break; 70 71 case Format::floating: 72 format_float(out, data, fmt); 73 break; 74 75 case Format::string: 76 format_string(out, data, fmt); 77 break; 78 79 default: 80 out << "<bad format>"; 81 break; 82 } 83 } 84 }; 85 86 typedef std::list<Base *> list_t; 87 88 protected: 89 list_t objects; 90 std::ostream *stream; 91 92 public: 93 ArgList() : stream(&std::cout) {} 94 ~ArgList(); 95 96 template<class T> 97 void append(const T &data) { 98 Base *obj = new ArgList::Node<T>(data); 99 objects.push_back(obj); 100 } 101 102 template<class T> 103 void prepend(const T &data) { 104 Base *obj = new ArgList::Node<T>(data); 105 objects.push_front(obj); 106 } 107 108 void dump(const std::string &format); 109 void dump(std::ostream &strm, const std::string &fmt) 110 { stream = &strm; dump(fmt); } 111 112 std::string dumpToString(const std::string &format); 113 114 friend ArgList &operator<<(std::ostream &str, ArgList &list); 115}; 116 117template<class T> 118inline ArgList & 119operator,(ArgList &alist, const T &data) 120{ 121 alist.append(data); 122 return alist; 123} 124 125class ArgListNull { 126}; 127 128inline ArgList & 129operator,(ArgList &alist, ArgListNull) 130{ return alist; } 131 132// 133// cprintf(format, args, ...) prints to cout 134// (analogous to printf()) 135// 136inline void 137__cprintf(const std::string &format, ArgList &args) 138{ args.dump(format); delete &args; } 139#define __cprintf__(format, args...) \ 140 cp::__cprintf(format, (*(new cp::ArgList), args)) 141#define cprintf(args...) \ 142 __cprintf__(args, cp::ArgListNull()) 143 144// 145// ccprintf(stream, format, args, ...) prints to the specified stream 146// (analogous to fprintf()) 147// 148inline void 149__ccprintf(std::ostream &stream, const std::string &format, ArgList &args) 150{ args.dump(stream, format); delete &args; } 151#define __ccprintf__(stream, format, args...) \ 152 cp::__ccprintf(stream, format, (*(new cp::ArgList), args)) 153#define ccprintf(stream, args...) \ 154 __ccprintf__(stream, args, cp::ArgListNull()) 155 156// 157// csprintf(format, args, ...) returns a string 158// (roughly analogous to sprintf()) 159// 160inline std::string 161__csprintf(const std::string &format, ArgList &args) 162{ std::string s = args.dumpToString(format); delete &args; return s; } 163#define __csprintf__(format, args...) \ 164 cp::__csprintf(format, (*(new cp::ArgList), args)) 165#define csprintf(args...) \ 166 __csprintf__(args, cp::ArgListNull()) 167 |
168} 169 |
170#endif // __CPRINTF_HH__ |