1/*
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2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
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2 * Copyright (c) 2002-2006 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
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32#ifndef __CPRINTF_HH__
33#define __CPRINTF_HH__
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32#ifndef __BASE_CPRINTF_HH__ 33#define __BASE_CPRINTF_HH__ |
34
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35#include <ios> |
36#include <iostream> 37#include <list> 38#include <string> 39
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40#include "base/varargs.hh" |
41#include "base/cprintf_formats.hh" 42 43namespace cp { 44
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43class ArgList
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45#define CPRINTF_DECLARATION VARARGS_DECLARATION(cp::Print) 46#define CPRINTF_DEFINITION VARARGS_DEFINITION(cp::Print) 47 48struct Print |
49{
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45 private:
46 class Base
47 {
48 public:
49 virtual ~Base() {}
50 virtual void process(std::ostream &out, Format &fmt) = 0;
51 };
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50 protected: 51 std::ostream &stream; 52 const char *format; 53 const char *ptr; |
54
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53 template <typename T>
54 class Node : public Base
55 {
56 public:
57 const T &data;
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55 std::ios::fmtflags saved_flags; 56 char saved_fill; 57 int saved_precision; |
58
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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;
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59 void process(Format &fmt); |
60
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67 case Format::integer:
68 format_integer(out, data, fmt);
69 break;
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61 public: 62 Print(std::ostream &stream, const std::string &format); 63 Print(std::ostream &stream, const char *format); 64 ~Print(); |
65
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71 case Format::floating:
72 format_float(out, data, fmt);
73 break;
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66 template <typename T> 67 void 68 add_arg(const T &data) 69 { 70 Format fmt; 71 process(fmt); |
72
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75 case Format::string:
76 format_string(out, data, fmt);
77 break;
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73 switch (fmt.format) { 74 case Format::character: 75 format_char(stream, data, fmt); 76 break; |
77
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79 default:
80 out << "<bad format>";
81 break;
82 }
83 }
84 };
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78 case Format::integer: 79 format_integer(stream, data, fmt); 80 break; |
81
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86 typedef std::list<Base *> list_t;
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82 case Format::floating: 83 format_float(stream, data, fmt); 84 break; |
85
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88 protected:
89 list_t objects;
90 std::ostream *stream;
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86 case Format::string: 87 format_string(stream, data, fmt); 88 break; |
89
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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);
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90 default: 91 stream << "<bad format>"; 92 break; 93 } |
94 } 95
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102 template<class T>
103 void prepend(const T &data) {
104 Base *obj = new ArgList::Node<T>(data);
105 objects.push_front(obj);
106 }
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96 void end_args(); 97}; |
98
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108 void dump(const std::string &format);
109 void dump(std::ostream &strm, const std::string &fmt)
110 { stream = &strm; dump(fmt); }
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99/* end namespace cp */ } |
100
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112 std::string dumpToString(const std::string &format);
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101typedef VarArgs::List<cp::Print> CPrintfArgsList; |
102
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114 friend ArgList &operator<<(std::ostream &str, ArgList &list);
115};
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103inline void 104ccprintf(std::ostream &stream, const char *format, const CPrintfArgsList &args) 105{ 106 cp::Print print(stream, format); 107 args.add_args(print); 108} |
109
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117template<class T>
118inline ArgList &
119operator,(ArgList &alist, const T &data)
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110inline void 111ccprintf(std::ostream &stream, const char *format, CPRINTF_DECLARATION) |
112{
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121 alist.append(data);
122 return alist;
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113 cp::Print print(stream, format); 114 VARARGS_ADDARGS(print); |
115} 116
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125class ArgListNull {
126};
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117inline void 118cprintf(const char *format, CPRINTF_DECLARATION) 119{ 120 ccprintf(std::cout, format, VARARGS_ALLARGS); 121} |
122
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128inline ArgList &
129operator,(ArgList &alist, ArgListNull)
130{ return alist; }
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123inline std::string 124csprintf(const char *format, CPRINTF_DECLARATION) 125{ 126 std::stringstream stream; 127 ccprintf(stream, format, VARARGS_ALLARGS); 128 return stream.str(); 129} |
130
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132//
133// cprintf(format, args, ...) prints to cout
134// (analogous to printf())
135//
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131/* 132 * functions again with std::string. We have both so we don't waste 133 * time converting const char * to std::string since we don't take 134 * advantage of it. 135 */ |
136inline void
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137__cprintf(const std::string &format, ArgList &args)
138{ args.dump(format); delete &args; }
139#define __cprintf__(format, ...) \
140 cp::__cprintf(format, (*(new cp::ArgList), __VA_ARGS__))
141#define cprintf(...) \
142 __cprintf__(__VA_ARGS__, cp::ArgListNull())
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137ccprintf(std::ostream &stream, const std::string &format, 138 const CPrintfArgsList &args) 139{ 140 ccprintf(stream, format.c_str(), args); 141} |
142
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144//
145// ccprintf(stream, format, args, ...) prints to the specified stream
146// (analogous to fprintf())
147//
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143inline void
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149__ccprintf(std::ostream &stream, const std::string &format, ArgList &args)
150{ args.dump(stream, format); delete &args; }
151#define __ccprintf__(stream, format, ...) \
152 cp::__ccprintf(stream, format, (*(new cp::ArgList), __VA_ARGS__))
153#define ccprintf(stream, ...) \
154 __ccprintf__(stream, __VA_ARGS__, cp::ArgListNull())
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144ccprintf(std::ostream &stream, const std::string &format, CPRINTF_DECLARATION) 145{ 146 ccprintf(stream, format, VARARGS_ALLARGS); 147} |
148
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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, ...) \
164 cp::__csprintf(format, (*(new cp::ArgList), __VA_ARGS__))
165#define csprintf(...) \
166 __csprintf__(__VA_ARGS__, cp::ArgListNull())
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149inline void 150cprintf(const std::string &format, CPRINTF_DECLARATION) 151{ 152 ccprintf(std::cout, format, VARARGS_ALLARGS); 153} |
154
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155inline std::string 156csprintf(const std::string &format, CPRINTF_DECLARATION) 157{ 158 std::stringstream stream; 159 ccprintf(stream, format, VARARGS_ALLARGS); 160 return stream.str(); |
161} 162 163#endif // __CPRINTF_HH__
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