gem5/base/str.cc
Ali Saidi 2f316082e4 Updated Copyright with information in bitkeeper changelogs
arch/alpha/alpha_linux_process.cc:
arch/alpha/alpha_linux_process.hh:
arch/alpha/alpha_memory.cc:
arch/alpha/alpha_memory.hh:
arch/alpha/alpha_tru64_process.cc:
arch/alpha/alpha_tru64_process.hh:
arch/alpha/aout_machdep.h:
arch/alpha/arguments.cc:
arch/alpha/arguments.hh:
arch/alpha/faults.cc:
arch/alpha/faults.hh:
arch/alpha/isa_traits.hh:
arch/alpha/osfpal.cc:
arch/alpha/osfpal.hh:
arch/alpha/pseudo_inst.cc:
arch/alpha/pseudo_inst.hh:
arch/alpha/vptr.hh:
arch/alpha/vtophys.cc:
arch/alpha/vtophys.hh:
base/bitfield.hh:
base/callback.hh:
base/circlebuf.cc:
base/circlebuf.hh:
base/compression/lzss_compression.cc:
base/compression/lzss_compression.hh:
base/compression/null_compression.hh:
base/cprintf.cc:
base/cprintf.hh:
base/cprintf_formats.hh:
base/date.cc:
base/dbl_list.hh:
base/endian.hh:
base/fast_alloc.cc:
base/fast_alloc.hh:
base/fifo_buffer.cc:
base/fifo_buffer.hh:
base/hashmap.hh:
base/hostinfo.cc:
base/hostinfo.hh:
base/hybrid_pred.cc:
base/hybrid_pred.hh:
base/inet.cc:
base/inet.hh:
base/inifile.cc:
base/inifile.hh:
base/intmath.cc:
base/intmath.hh:
base/loader/aout_object.cc:
base/loader/aout_object.hh:
base/loader/ecoff_object.cc:
base/loader/ecoff_object.hh:
base/loader/elf_object.cc:
base/loader/elf_object.hh:
base/loader/object_file.cc:
base/loader/object_file.hh:
base/loader/symtab.cc:
base/loader/symtab.hh:
base/misc.cc:
base/misc.hh:
base/mod_num.hh:
base/mysql.cc:
base/mysql.hh:
base/pollevent.cc:
base/pollevent.hh:
base/predictor.hh:
base/random.cc:
base/random.hh:
base/range.cc:
base/range.hh:
base/refcnt.hh:
base/remote_gdb.cc:
base/remote_gdb.hh:
base/res_list.hh:
base/sat_counter.cc:
base/sat_counter.hh:
base/sched_list.hh:
base/socket.cc:
base/socket.hh:
base/statistics.cc:
base/statistics.hh:
base/stats/events.cc:
base/stats/events.hh:
base/stats/flags.hh:
base/stats/mysql.cc:
base/stats/mysql.hh:
base/stats/mysql_run.hh:
base/stats/output.hh:
base/stats/statdb.cc:
base/stats/statdb.hh:
base/stats/text.cc:
base/stats/text.hh:
base/stats/types.hh:
base/stats/visit.cc:
base/stats/visit.hh:
base/str.cc:
base/str.hh:
base/time.cc:
base/time.hh:
base/trace.cc:
base/trace.hh:
base/userinfo.cc:
base/userinfo.hh:
cpu/base_cpu.cc:
cpu/base_cpu.hh:
cpu/exec_context.cc:
cpu/exec_context.hh:
cpu/exetrace.cc:
cpu/exetrace.hh:
cpu/full_cpu/op_class.hh:
cpu/full_cpu/smt.hh:
cpu/inst_seq.hh:
cpu/intr_control.cc:
cpu/intr_control.hh:
cpu/memtest/memtest.cc:
cpu/memtest/memtest.hh:
cpu/pc_event.cc:
cpu/pc_event.hh:
cpu/simple_cpu/simple_cpu.cc:
cpu/simple_cpu/simple_cpu.hh:
cpu/static_inst.cc:
cpu/static_inst.hh:
dev/alpha_console.cc:
dev/alpha_console.hh:
dev/baddev.cc:
dev/baddev.hh:
dev/disk_image.cc:
dev/disk_image.hh:
dev/etherbus.cc:
dev/etherbus.hh:
dev/etherdump.cc:
dev/etherdump.hh:
dev/etherint.cc:
dev/etherint.hh:
dev/etherlink.cc:
dev/etherlink.hh:
dev/etherpkt.cc:
dev/etherpkt.hh:
dev/ethertap.cc:
dev/ethertap.hh:
dev/ide_ctrl.cc:
dev/ide_ctrl.hh:
dev/ide_disk.cc:
dev/ide_disk.hh:
dev/io_device.cc:
dev/io_device.hh:
dev/ns_gige.cc:
dev/ns_gige.hh:
dev/ns_gige_reg.h:
dev/pciconfigall.cc:
dev/pciconfigall.hh:
dev/pcidev.cc:
dev/pcidev.hh:
dev/pcireg.h:
dev/platform.cc:
dev/platform.hh:
dev/simple_disk.cc:
dev/simple_disk.hh:
dev/tsunami.cc:
dev/tsunami.hh:
dev/tsunami_cchip.cc:
dev/tsunami_cchip.hh:
dev/tsunami_io.cc:
dev/tsunami_io.hh:
dev/tsunami_pchip.cc:
dev/tsunami_pchip.hh:
dev/tsunami_uart.hh:
dev/tsunamireg.h:
docs/stl.hh:
kern/linux/linux.hh:
kern/linux/linux_syscalls.cc:
kern/linux/linux_syscalls.hh:
kern/linux/linux_system.cc:
kern/linux/linux_system.hh:
kern/system_events.cc:
kern/system_events.hh:
kern/tru64/dump_mbuf.cc:
kern/tru64/dump_mbuf.hh:
kern/tru64/mbuf.hh:
kern/tru64/printf.cc:
kern/tru64/printf.hh:
kern/tru64/tru64.hh:
kern/tru64/tru64_events.cc:
kern/tru64/tru64_events.hh:
kern/tru64/tru64_syscalls.cc:
kern/tru64/tru64_syscalls.hh:
kern/tru64/tru64_system.cc:
kern/tru64/tru64_system.hh:
sim/async.hh:
sim/builder.cc:
sim/builder.hh:
sim/debug.cc:
sim/debug.hh:
sim/eventq.cc:
sim/eventq.hh:
sim/host.hh:
sim/main.cc:
sim/param.cc:
sim/param.hh:
sim/process.cc:
sim/process.hh:
sim/serialize.cc:
sim/serialize.hh:
sim/sim_events.cc:
sim/sim_events.hh:
sim/sim_exit.hh:
sim/sim_object.cc:
sim/sim_object.hh:
sim/stat_control.cc:
sim/stat_control.hh:
sim/stats.hh:
sim/syscall_emul.cc:
sim/syscall_emul.hh:
sim/system.cc:
sim/system.hh:
sim/universe.cc:
test/bitvectest.cc:
test/circletest.cc:
test/cprintftest.cc:
test/initest.cc:
test/lru_test.cc:
test/nmtest.cc:
test/offtest.cc:
test/paramtest.cc:
test/rangetest.cc:
test/sized_test.cc:
test/stattest.cc:
test/strnumtest.cc:
test/symtest.cc:
test/tokentest.cc:
test/tracetest.cc:
util/m5/m5.c:
util/m5/m5op.h:
util/tap/tap.cc:
    Updated Copyright
dev/console.cc:
dev/console.hh:
    This code isn't ours, and shouldn't have our copyright

--HG--
extra : convert_revision : 598f2e5eab5d5d3de2c1e862b389086e3212f7c4
2004-06-08 13:37:27 -04:00

342 lines
8.5 KiB
C++

/*
* Copyright (c) 2001-2003 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 "base/intmath.hh"
#include "base/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));
}
/**
* @todo This function will not handle the smallest negative decimal
* value for a signed type
*/
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 int bits = sizeof(T) * 8;
static const T hexmax = maxnum & (((T)1 << (bits - 4 - sign)) - 1);
static const T octmax = maxnum & (((T)1 << (bits - 3 - sign)) - 1);
static const T signmax =
(sign) ? maxnum & (((T)1 << (bits - 1)) - 1) : maxnum;
static const T decmax = signmax / 10;
#if 0
cout << "maxnum = 0x" << hex << (unsigned long long)maxnum << "\n"
<< "sign = 0x" << hex << (unsigned long long)sign << "\n"
<< "hexmax = 0x" << hex << (unsigned long long)hexmax << "\n"
<< "octmax = 0x" << hex << (unsigned long long)octmax << "\n"
<< "signmax = 0x" << hex << (unsigned long long)signmax << "\n"
<< "decmax = 0x" << hex << (unsigned long long)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;
bool atmax = retval == decmax;
retval *= 10;
retval += c - '0';
if (atmax && retval < decmax) return false;
if (sign && (retval & ((T)1 << (sizeof(T) * 8 - 1))))
return false;
}
c = value[last];
if (IsDec(c)) {
if (retval > decmax) return false;
bool atmax = retval == decmax;
retval *= 10;
retval += c - '0';
if (atmax && retval < decmax) 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;
}
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;
}