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
342 lines
8.5 KiB
C++
342 lines
8.5 KiB
C++
/*
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* Copyright (c) 2001-2003 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <iostream>
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#include <string.h>
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#include <ctype.h>
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#include <string>
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#include <vector>
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#include "base/intmath.hh"
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#include "base/str.hh"
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using namespace std;
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void
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tokenize(vector<string>& v, const string &s, char token, bool ignore)
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{
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string::size_type first = 0;
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string::size_type last = s.find_first_of(token);
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if (ignore) {
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if (last == first) {
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while (last == first)
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last = s.find_first_of(token, ++first);
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if (last == string::npos) {
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v.push_back(s);
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return;
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}
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}
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}
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while (last != string::npos) {
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v.push_back(s.substr(first, last - first));
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if (ignore) {
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first = s.find_first_not_of(token, last + 1);
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if (first == string::npos)
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return;
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} else
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first = last + 1;
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last = s.find_first_of(token, first);
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}
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v.push_back(s.substr(first));
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}
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/**
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* @todo This function will not handle the smallest negative decimal
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* value for a signed type
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*/
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template <class T>
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inline bool
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__to_number(string value, T &retval)
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{
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static const T maxnum = ((T)-1);
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static const bool sign = maxnum < 0;
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static const int bits = sizeof(T) * 8;
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static const T hexmax = maxnum & (((T)1 << (bits - 4 - sign)) - 1);
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static const T octmax = maxnum & (((T)1 << (bits - 3 - sign)) - 1);
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static const T signmax =
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(sign) ? maxnum & (((T)1 << (bits - 1)) - 1) : maxnum;
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static const T decmax = signmax / 10;
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#if 0
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cout << "maxnum = 0x" << hex << (unsigned long long)maxnum << "\n"
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<< "sign = 0x" << hex << (unsigned long long)sign << "\n"
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<< "hexmax = 0x" << hex << (unsigned long long)hexmax << "\n"
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<< "octmax = 0x" << hex << (unsigned long long)octmax << "\n"
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<< "signmax = 0x" << hex << (unsigned long long)signmax << "\n"
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<< "decmax = 0x" << hex << (unsigned long long)decmax << "\n";
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#endif
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eat_white(value);
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bool negative = false;
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bool hex = false;
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bool oct = false;
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int last = value.size() - 1;
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retval = 0;
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int i = 0;
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char c = value[i];
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if (!IsDec(c)) {
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if (c == '-' && sign)
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negative = true;
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else
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return false;
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}
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else {
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retval += c - '0';
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if (last == 0) return true;
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}
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if (c == '0')
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oct = true;
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c = value[++i];
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if (oct) {
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if (sign && negative)
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return false;
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if (!IsOct(c)) {
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if (c == 'X' || c == 'x') {
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hex = true;
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oct = false;
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} else
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return false;
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}
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else
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retval += c - '0';
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} else if (!IsDec(c))
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goto multiply;
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else {
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if (sign && negative && c == '0')
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return false;
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retval *= 10;
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retval += c - '0';
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if (last == 1) {
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if (sign && negative) retval = -retval;
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return true;
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}
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}
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if (hex) {
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if (last == 1)
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return false;
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for (i = 2; i <= last ; i++) {
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c = value[i];
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if (!IsHex(c))
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return false;
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if (retval > hexmax) return false;
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retval *= 16;
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retval += Hex2Int(c);
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}
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return true;
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} else if (oct) {
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for (i = 2; i <= last ; i++) {
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c = value[i];
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if (!IsOct(c))
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return false;
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if (retval > octmax) return false;
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retval *= 8;
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retval += (c - '0');
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}
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return true;
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}
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for (i = 2; i < last ; i++) {
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c = value[i];
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if (!IsDec(c))
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goto multiply;
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if (retval > decmax) return false;
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bool atmax = retval == decmax;
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retval *= 10;
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retval += c - '0';
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if (atmax && retval < decmax) return false;
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if (sign && (retval & ((T)1 << (sizeof(T) * 8 - 1))))
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return false;
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}
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c = value[last];
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if (IsDec(c)) {
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if (retval > decmax) return false;
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bool atmax = retval == decmax;
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retval *= 10;
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retval += c - '0';
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if (atmax && retval < decmax) return false;
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if (sign && negative) {
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if ((retval & ((T)1 << (sizeof(T) * 8 - 1))) &&
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retval >= (T)-signmax)
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return false;
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retval = -retval;
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}
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else
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if (sign && (retval & ((T)1 << ((sizeof(T) * 8) - 1))))
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return false;
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return true;
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}
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multiply:
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signed long long mult = 1;
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T val;
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switch (c) {
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case 'k':
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case 'K':
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if (i != last) return false;
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mult = 1024;
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val = signmax / mult;
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break;
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case 'm':
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case 'M':
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if (i != last) return false;
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mult = 1024 * 1024;
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val = signmax / mult;
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break;
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case 'g':
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case 'G':
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if (i != last) return false;
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mult = 1024 * 1024 * 1024;
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val = signmax / mult;
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break;
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case 'e':
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case 'E':
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if (i >= last) return false;
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mult = 0;
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for (i++; i <= last; i++) {
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c = value[i];
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if (!IsDec(c))
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return false;
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mult *= 10;
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mult += c - '0';
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}
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for (i = 0; i < mult; i++) {
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if (retval > signmax / 10)
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return false;
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retval *= 10;
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if (sign && (retval & ((T)1 << (sizeof(T) * 8 - 1))))
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return false;
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}
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if (sign && negative) {
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if ((retval & ((T)1 << (sizeof(T) * 8 - 1))) &&
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retval >= (T)-signmax)
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return false;
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retval = -retval;
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}
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else
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if (sign && (retval & ((T)1 << ((sizeof(T) * 8) - 1))))
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return false;
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return true;
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default:
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return false;
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}
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if (sign && negative)
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return false;
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if (mult > (unsigned long long)signmax)
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return false;
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if (retval > val)
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return false;
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retval *= mult;
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return true;
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}
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#define STN(type) \
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template<> \
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bool to_number<type>(const string &value, type &retval) \
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{ return __to_number(value, retval); }
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STN(unsigned long long);
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STN(signed long long);
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STN(unsigned long);
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STN(signed long);
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STN(unsigned int);
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STN(signed int);
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STN(unsigned short);
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STN(signed short);
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STN(unsigned char);
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STN(signed char);
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template<>
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bool to_number<bool>(const string &value, bool &retval)
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{
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string lowered = to_lower(value);
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if (value == "0") {
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retval = false;
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return true;
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}
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if (value == "1"){
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retval = true;
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return true;
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}
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if (lowered == "false") {
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retval = false;
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return true;
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}
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if (lowered == "true"){
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retval = true;
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return true;
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}
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if (lowered == "no") {
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retval = false;
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return true;
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}
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if (lowered == "yes"){
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retval = true;
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return true;
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}
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return false;
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}
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