1092515e65
clean up the formatting
make things use templates since this is C++ now.
base/circlebuf.cc:
base/intmath.cc:
base/intmath.hh:
base/range.hh:
base/remote_gdb.cc:
base/statistics.cc:
base/str.cc:
intmath.h -> intmath.hh
base/intmath.hh:
Make this more like C++ by templatizing these functions
--HG--
rename : base/intmath.h => base/intmath.hh
extra : convert_revision : 8f9b14de9db751b1bd78588c51613d77afd96989
332 lines
8.1 KiB
C++
332 lines
8.1 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 <iostream>
|
|
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "intmath.hh"
|
|
#include "str.hh"
|
|
|
|
using namespace std;
|
|
|
|
void
|
|
tokenize(vector<string>& v, const string &s, char token, bool ignore)
|
|
{
|
|
string::size_type first = 0;
|
|
string::size_type last = s.find_first_of(token);
|
|
|
|
if (ignore) {
|
|
if (last == first) {
|
|
while (last == first)
|
|
last = s.find_first_of(token, ++first);
|
|
|
|
if (last == string::npos) {
|
|
v.push_back(s);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
while (last != string::npos) {
|
|
v.push_back(s.substr(first, last - first));
|
|
|
|
if (ignore) {
|
|
first = s.find_first_not_of(token, last + 1);
|
|
|
|
if (first == string::npos)
|
|
return;
|
|
} else
|
|
first = last + 1;
|
|
|
|
last = s.find_first_of(token, first);
|
|
}
|
|
|
|
v.push_back(s.substr(first));
|
|
}
|
|
|
|
template <class T>
|
|
inline bool
|
|
__to_number(string value, T &retval)
|
|
{
|
|
static const T maxnum = ((T)-1);
|
|
static const bool sign = maxnum < 0;
|
|
static const T hexmax = maxnum & (((T)1 << (sizeof(T) * 8 - 4)) - 1);
|
|
static const T octmax = maxnum & (((T)1 << (sizeof(T) * 8 - 3)) - 1);
|
|
static const T signmax =
|
|
(sign) ? maxnum & (((T)1 << (sizeof(T) * 8 - 1)) - 1) : maxnum;
|
|
static const T decmax = signmax / 10 - 1;
|
|
|
|
#if 0
|
|
cout << "maxnum = 0x" << hex << maxnum << "\n"
|
|
<< "sign = 0x" << hex << sign << "\n"
|
|
<< "hexmax = 0x" << hex << hexmax << "\n"
|
|
<< "octmax = 0x" << hex << octmax << "\n"
|
|
<< "signmax = 0x" << hex << signmax << "\n"
|
|
<< "decmax = 0x" << hex << decmax << "\n";
|
|
#endif
|
|
|
|
eat_white(value);
|
|
|
|
bool negative = false;
|
|
bool hex = false;
|
|
bool oct = false;
|
|
int last = value.size() - 1;
|
|
retval = 0;
|
|
int i = 0;
|
|
|
|
char c = value[i];
|
|
if (!IsDec(c)) {
|
|
if (c == '-' && sign)
|
|
negative = true;
|
|
else
|
|
return false;
|
|
}
|
|
else {
|
|
retval += c - '0';
|
|
if (last == 0) return true;
|
|
}
|
|
|
|
if (c == '0')
|
|
oct = true;
|
|
|
|
c = value[++i];
|
|
if (oct) {
|
|
if (sign && negative)
|
|
return false;
|
|
|
|
if (!IsOct(c)) {
|
|
if (c == 'X' || c == 'x') {
|
|
hex = true;
|
|
oct = false;
|
|
} else
|
|
return false;
|
|
}
|
|
else
|
|
retval += c - '0';
|
|
} else if (!IsDec(c))
|
|
goto multiply;
|
|
else {
|
|
if (sign && negative && c == '0')
|
|
return false;
|
|
|
|
retval *= 10;
|
|
retval += c - '0';
|
|
if (last == 1) {
|
|
if (sign && negative) retval = -retval;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (hex) {
|
|
if (last == 1)
|
|
return false;
|
|
|
|
for (i = 2; i <= last ; i++) {
|
|
c = value[i];
|
|
if (!IsHex(c))
|
|
return false;
|
|
|
|
if (retval > hexmax) return false;
|
|
retval *= 16;
|
|
retval += Hex2Int(c);
|
|
}
|
|
return true;
|
|
} else if (oct) {
|
|
for (i = 2; i <= last ; i++) {
|
|
c = value[i];
|
|
if (!IsOct(c))
|
|
return false;
|
|
|
|
if (retval > octmax) return false;
|
|
retval *= 8;
|
|
retval += (c - '0');
|
|
}
|
|
return true;
|
|
}
|
|
|
|
for (i = 2; i < last ; i++) {
|
|
c = value[i];
|
|
if (!IsDec(c))
|
|
goto multiply;
|
|
|
|
if (retval > decmax) return false;
|
|
retval *= 10;
|
|
retval += c - '0';
|
|
if (sign && (retval & ((T)1 << (sizeof(T) * 8 - 1))))
|
|
return false;
|
|
}
|
|
|
|
c = value[last];
|
|
if (IsDec(c)) {
|
|
|
|
if (retval > decmax) return false;
|
|
retval *= 10;
|
|
retval += c - '0';
|
|
if (sign && negative) {
|
|
if ((retval & ((T)1 << (sizeof(T) * 8 - 1))) &&
|
|
retval >= (T)-signmax)
|
|
return false;
|
|
retval = -retval;
|
|
}
|
|
else
|
|
if (sign && (retval & ((T)1 << ((sizeof(T) * 8) - 1))))
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
multiply:
|
|
signed long long mult = 1;
|
|
T val;
|
|
switch (c) {
|
|
case 'k':
|
|
case 'K':
|
|
if (i != last) return false;
|
|
mult = 1024;
|
|
val = signmax / mult;
|
|
break;
|
|
case 'm':
|
|
case 'M':
|
|
if (i != last) return false;
|
|
mult = 1024 * 1024;
|
|
val = signmax / mult;
|
|
break;
|
|
case 'g':
|
|
case 'G':
|
|
if (i != last) return false;
|
|
mult = 1024 * 1024 * 1024;
|
|
val = signmax / mult;
|
|
break;
|
|
case 'e':
|
|
case 'E':
|
|
if (i >= last) return false;
|
|
|
|
mult = 0;
|
|
for (i++; i <= last; i++) {
|
|
c = value[i];
|
|
if (!IsDec(c))
|
|
return false;
|
|
|
|
mult *= 10;
|
|
mult += c - '0';
|
|
}
|
|
|
|
for (i = 0; i < mult; i++) {
|
|
if (retval > signmax / 10)
|
|
return false;
|
|
retval *= 10;
|
|
if (sign && (retval & ((T)1 << (sizeof(T) * 8 - 1))))
|
|
return false;
|
|
}
|
|
if (sign && negative) {
|
|
if ((retval & ((T)1 << (sizeof(T) * 8 - 1))) &&
|
|
retval >= (T)-signmax)
|
|
return false;
|
|
retval = -retval;
|
|
}
|
|
else
|
|
if (sign && (retval & ((T)1 << ((sizeof(T) * 8) - 1))))
|
|
return false;
|
|
|
|
return true;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
if (sign && negative)
|
|
return false;
|
|
|
|
if (mult > (unsigned long long)signmax)
|
|
return false;
|
|
|
|
if (retval > val)
|
|
return false;
|
|
|
|
retval *= mult;
|
|
|
|
return true;
|
|
}
|
|
|
|
#define STN(type) \
|
|
template<> \
|
|
bool to_number<type>(const string &value, type &retval) \
|
|
{ return __to_number(value, retval); }
|
|
|
|
STN(unsigned long long);
|
|
STN(signed long long);
|
|
STN(unsigned long);
|
|
STN(signed long);
|
|
STN(unsigned int);
|
|
STN(signed int);
|
|
STN(unsigned short);
|
|
STN(signed short);
|
|
STN(unsigned char);
|
|
STN(signed char);
|
|
|
|
template<>
|
|
bool to_number<bool>(const string &value, bool &retval)
|
|
{
|
|
string lowered = to_lower(value);
|
|
|
|
if (value == "0") {
|
|
retval = false;
|
|
return true;
|
|
}
|
|
|
|
if (value == "1"){
|
|
retval = true;
|
|
return true;
|
|
}
|
|
|
|
if (lowered == "false") {
|
|
retval = false;
|
|
return true;
|
|
}
|
|
|
|
if (lowered == "true"){
|
|
retval = true;
|
|
return true;
|
|
}
|
|
|
|
if (lowered == "no") {
|
|
retval = false;
|
|
return true;
|
|
}
|
|
|
|
if (lowered == "yes"){
|
|
retval = true;
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|