gem5/base/cprintf.hh
Nathan Binkert cb35f819c5 delete the data in the arglist when the list is destroyed,
not while printing out the data.  This allows the data
to be dumped more than once.

base/cprintf.hh:
    need a destructor

--HG--
extra : convert_revision : 235e9fe24488ac4c0ae1b562ef9fa6e0bd1e899c
2004-01-29 17:44:08 -05:00

198 lines
5.3 KiB
C++

/*
* Copyright (c) 2003 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __CPRINTF_HH__
#define __CPRINTF_HH__
#include <iostream>
#include <list>
#include <sstream>
#include <string>
namespace cp {
#include "base/cprintf_formats.hh"
class ArgList
{
private:
class Base
{
public:
virtual ~Base() {}
virtual void process(std::ostream &out, Format &fmt) = 0;
};
template <typename T>
class Node : public Base
{
public:
const T &data;
public:
Node(const T &d) : data(d) {}
virtual void process(std::ostream &out, Format &fmt) {
switch (fmt.format) {
case Format::character:
format_char(out, data, fmt);
break;
case Format::integer:
format_integer(out, data, fmt);
break;
case Format::floating:
format_float(out, data, fmt);
break;
case Format::string:
format_string(out, data, fmt);
break;
default:
out << "<bad format>";
break;
}
}
};
typedef std::list<Base *> list_t;
protected:
list_t objects;
std::ostream *stream;
public:
ArgList() : stream(&std::cout) {}
~ArgList();
template<class T>
void append(const T &data) {
Base *obj = new ArgList::Node<T>(data);
objects.push_back(obj);
}
template<class T>
void prepend(const T &data) {
Base *obj = new ArgList::Node<T>(data);
objects.push_front(obj);
}
void dump(const std::string &format);
void dump(std::ostream &strm, const std::string &fmt)
{ stream = &strm; dump(fmt); }
std::string dumpToString(const std::string &format);
friend ArgList &operator<<(std::ostream &str, ArgList &list);
};
template<class T>
inline ArgList &
operator,(ArgList &alist, const T &data)
{
alist.append(data);
return alist;
}
class ArgListNull {
};
inline ArgList &
operator,(ArgList &alist, ArgListNull)
{ return alist; }
//
// cprintf(format, args, ...) prints to cout
// (analogous to printf())
//
inline void
__cprintf(const std::string &format, ArgList &args)
{ args.dump(format); delete &args; }
#define __cprintf__(format, args...) \
cp::__cprintf(format, (*(new cp::ArgList), args))
#define cprintf(args...) \
__cprintf__(args, cp::ArgListNull())
//
// ccprintf(stream, format, args, ...) prints to the specified stream
// (analogous to fprintf())
//
inline void
__ccprintf(std::ostream &stream, const std::string &format, ArgList &args)
{ args.dump(stream, format); delete &args; }
#define __ccprintf__(stream, format, args...) \
cp::__ccprintf(stream, format, (*(new cp::ArgList), args))
#define ccprintf(stream, args...) \
__ccprintf__(stream, args, cp::ArgListNull())
//
// csprintf(format, args, ...) returns a string
// (roughly analogous to sprintf())
//
inline std::string
__csprintf(const std::string &format, ArgList &args)
{ std::string s = args.dumpToString(format); delete &args; return s; }
#define __csprintf__(format, args...) \
cp::__csprintf(format, (*(new cp::ArgList), args))
#define csprintf(args...) \
__csprintf__(args, cp::ArgListNull())
template<class T>
inline ArgList &
operator<<(ArgList &list, const T &data)
{
list.append(data);
return list;
}
inline ArgList &
operator<<(std::ostream &str, ArgList &list)
{
list.stream = &str;
return list;
}
class ArgListTemp
{
private:
std::string format;
ArgList *args;
public:
ArgListTemp(const std::string &f) : format(f) { args = new ArgList; }
~ArgListTemp() { args->dump(format); delete args; }
operator ArgList *() { return args; }
};
#define cformat(format) \
(*((cp::ArgList *)cp::ArgListTemp(format)))
}
#endif // __CPRINTF_HH__