gem5/base/cprintf.cc
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

268 lines
7.7 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.
*/
#include <cassert>
#include <iomanip>
#include <iostream>
#include <sstream>
#include "base/cprintf.hh"
using namespace std;
namespace cp {
ArgList::~ArgList()
{
while (!objects.empty()) {
delete objects.front();
objects.pop_front();
}
}
void
ArgList::dump(const string &format)
{
list_t::iterator iter = objects.begin();
list_t::iterator end = objects.end();
const char *p = format.c_str();
stream->fill(' ');
stream->flags((ios::fmtflags)0);
while (*p) {
switch (*p) {
case '%': {
if (p[1] == '%') {
*stream << '%';
p += 2;
continue;
}
Format fmt;
bool done = false;
bool end_number = false;
bool have_precision = false;
int number = 0;
while (!done) {
++p;
if (*p >= '0' && *p <= '9') {
if (end_number)
continue;
} else if (number > 0)
end_number = true;
switch (*p) {
case 's':
fmt.format = Format::string;
done = true;
break;
case 'c':
fmt.format = Format::character;
done = true;
break;
case 'l':
continue;
case 'p':
fmt.format = Format::integer;
fmt.base = Format::hex;
fmt.alternate_form = true;
done = true;
break;
case 'X':
fmt.uppercase = true;
case 'x':
fmt.base = Format::hex;
fmt.format = Format::integer;
done = true;
break;
case 'o':
fmt.base = Format::oct;
fmt.format = Format::integer;
done = true;
break;
case 'd':
case 'i':
case 'u':
fmt.format = Format::integer;
done = true;
break;
case 'G':
fmt.uppercase = true;
case 'g':
fmt.format = Format::floating;
fmt.float_format = Format::best;
done = true;
break;
case 'E':
fmt.uppercase = true;
case 'e':
fmt.format = Format::floating;
fmt.float_format = Format::scientific;
done = true;
break;
case 'f':
fmt.format = Format::floating;
fmt.float_format = Format::fixed;
done = true;
break;
case 'n':
*stream << "we don't do %n!!!\n";
done = true;
break;
case '#':
fmt.alternate_form = true;
break;
case '-':
fmt.flush_left = true;
break;
case '+':
fmt.print_sign = true;
break;
case ' ':
fmt.blank_space = true;
break;
case '.':
fmt.width = number;
fmt.precision = 0;
have_precision = true;
number = 0;
end_number = false;
break;
case '0':
if (number == 0) {
fmt.fill_zero = true;
break;
}
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
number = number * 10 + (*p - '0');
break;
case '%':
assert("we shouldn't get here");
break;
default:
done = true;
break;
}
if (end_number) {
if (have_precision)
fmt.precision = number;
else
fmt.width = number;
end_number = false;
number = 0;
}
}
if (iter != end)
{
ios::fmtflags saved_flags = stream->flags();
char old_fill = stream->fill();
int old_precision = stream->precision();
(*iter)->process(*stream, fmt);
stream->flags(saved_flags);
stream->fill(old_fill);
stream->precision(old_precision);
++iter;
} else {
*stream << "<missing arg for format>";
}
++p;
}
break;
case '\n':
*stream << endl;
++p;
break;
case '\r':
++p;
if (*p != '\n')
*stream << endl;
break;
default: {
size_t len = strcspn(p, "%\n\r\0");
stream->write(p, len);
p += len;
}
break;
}
}
while (iter != end) {
*stream << "<extra arg>";
++iter;
}
}
string
ArgList::dumpToString(const string &format)
{
stringstream ss;
dump(ss, format);
return ss.str();
}
}