gem5/base/range.hh
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

379 lines
9.4 KiB
C++

/*
* Copyright (c) 2002-2004 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 __RANGE_HH__
#define __RANGE_HH__
#include <cassert>
#include <string>
template <class T>
bool __parse_range(const std::string &s, T &start, T &end);
template <class T>
struct Range
{
private:
/**
* @param s range string
* Ranges are in the following format:
* <range> := {<start_val>}:{<end>}
* <end> := <end_val> | +<delta>
*/
void
parse(const std::string &s)
{
if (!__parse_range(s, start, end))
invalidate();
}
public:
T start;
T end;
public:
Range()
{
invalidate();
}
Range(T first, T second)
: start(first), end(second)
{}
template <class U>
Range(const Range<U> &r)
: start(r.start), end(r.end)
{}
template <class U>
Range(const std::pair<U, U> &r)
: start(r.first), end(r.second)
{}
Range(const std::string &s)
{
parse(s);
}
template <class U>
const Range<T> &operator=(const Range<U> &r)
{
start = r.start;
end = r.end;
return *this;
}
template <class U>
const Range<T> &operator=(const std::pair<U, U> &r)
{
start = r.first;
end = r.second;
return *this;
}
const Range &operator=(const std::string &s)
{
parse(s);
return *this;
}
void invalidate() { start = 0; end = 0; }
T size() const { return end - start; }
bool valid() const { return start < end; }
};
template <class T>
inline Range<T>
make_range(T start, T end)
{
return Range<T>(start, end);
}
template <class T>
inline std::ostream &
operator<<(std::ostream &o, const Range<T> &r)
{
// don't currently support output of invalid ranges
assert(r.valid());
o << r.start << ":" << r.end;
return o;
}
////////////////////////////////////////////////////////////////////////
//
// Range to Range Comparisons
//
/**
* @param range1 is a range.
* @param range2 is a range.
* @return if range1 and range2 are identical.
*/
template <class T, class U>
inline bool
operator==(const Range<T> &range1, const Range<U> &range2)
{
assert(range1.valid() && range2.valid());
return range1.start == range2.start && range1.end == range2.end;
}
/**
* @param range1 is a range.
* @param range2 is a range.
* @return if range1 and range2 are not identical.
*/
template <class T, class U>
inline bool
operator!=(const Range<T> &range1, const Range<U> &range2)
{
assert(range1.valid() && range2.valid());
return range1.start != range2.start || range1.end != range2.end;
}
/**
* @param range1 is a range.
* @param range2 is a range.
* @return if range1 is less than range2 and does not overlap range1.
*/
template <class T, class U>
inline bool
operator<(const Range<T> &range1, const Range<U> &range2)
{
assert(range1.valid() && range2.valid());
return range1.end <= range2.start;
}
/**
* @param range1 is a range.
* @param range2 is a range.
* @return if range1 is less than range2. range1 may overlap range2,
* but not extend beyond the end of range2.
*/
template <class T, class U>
inline bool
operator<=(const Range<T> &range1, const Range<U> &range2)
{
assert(range1.valid() && range2.valid());
return range1.start <= range2.start && range1.end <= range2.end;
}
/**
* @param range1 is a range.
* @param range2 is a range.
* @return if range1 is greater than range2 and does not overlap range2.
*/
template <class T, class U>
inline bool
operator>(const Range<T> &range1, const Range<U> &range2)
{
assert(range1.valid() && range2.valid());
return range1.start >= range2.end;
}
/**
* @param range1 is a range.
* @param range2 is a range.
* @return if range1 is greater than range2. range1 may overlap range2,
* but not extend beyond the beginning of range2.
*/
template <class T, class U>
inline bool
operator>=(const Range<T> &range1, const Range<U> &range2)
{
assert(range1.valid() && range2.valid());
return range1.start >= range2.start && range1.end >= range2.end;
}
////////////////////////////////////////////////////////////////////////
//
// Position to Range Comparisons
//
/**
* @param pos position compared to the range.
* @param range range compared against.
* @return indicates that position pos is within the range.
*/
template <class T, class U>
inline bool
operator==(const T &pos, const Range<U> &range)
{
assert(range.valid());
return pos >= range.start && pos <= range.end;
}
/**
* @param pos position compared to the range.
* @param range range compared against.
* @return indicates that position pos is not within the range.
*/
template <class T, class U>
inline bool
operator!=(const T &pos, const Range<U> &range)
{
assert(range.valid());
return pos < range.start || pos >= range.end;
}
/**
* @param pos position compared to the range.
* @param range range compared against.
* @return indicates that position pos is below the range.
*/
template <class T, class U>
inline bool
operator<(const T &pos, const Range<U> &range)
{
assert(range.valid());
return pos < range.start;
}
/**
* @param pos position compared to the range.
* @param range range compared against.
* @return indicates that position pos is below or in the range.
*/
template <class T, class U>
inline bool
operator<=(const T &pos, const Range<U> &range)
{
assert(range.valid());
return pos < range.end;
}
/**
* @param pos position compared to the range.
* @param range range compared against.
* @return indicates that position pos is above the range.
*/
template <class T, class U>
inline bool
operator>(const T &pos, const Range<U> &range)
{
assert(range.valid());
return pos >= range.end;
}
/**
* @param pos position compared to the range.
* @param range range compared against.
* @return indicates that position pos is above or in the range.
*/
template <class T, class U>
inline bool
operator>=(const T &pos, const Range<U> &range)
{
assert(range.valid());
return pos >= range.start;
}
////////////////////////////////////////////////////////////////////////
//
// Range to Position Comparisons (for symmetry)
//
/**
* @param range range compared against.
* @param pos position compared to the range.
* @return indicates that position pos is within the range.
*/
template <class T, class U>
inline bool
operator==(const Range<T> &range, const U &pos)
{
assert(range.valid());
return pos >= range.start && pos < range.end;
}
/**
* @param range range compared against.
* @param pos position compared to the range.
* @return indicates that position pos is not within the range.
*/
template <class T, class U>
inline bool
operator!=(const Range<T> &range, const U &pos)
{
assert(range.valid());
return pos < range.start || pos >= range.end;
}
/**
* @param range range compared against.
* @param pos position compared to the range.
* @return indicates that position pos is above the range.
*/
template <class T, class U>
inline bool
operator<(const Range<T> &range, const U &pos)
{
assert(range.valid());
return range.end <= pos;
}
/**
* @param range range compared against.
* @param pos position compared to the range.
* @return indicates that position pos is above or in the range.
*/
template <class T, class U>
inline bool
operator<=(const Range<T> &range, const U &pos)
{
assert(range.valid());
return range.start <= pos;
}
/**
* @param range range compared against.
* @param pos position compared to the range.
* 'range > pos' indicates that position pos is below the range.
*/
template <class T, class U>
inline bool
operator>(const Range<T> &range, const U &pos)
{
assert(range.valid());
return range.start > pos;
}
/**
* @param range range compared against.
* @param pos position compared to the range.
* 'range >= pos' indicates that position pos is below or in the range.
*/
template <class T, class U>
inline bool
operator>=(const Range<T> &range, const U &pos)
{
assert(range.valid());
return range.end > pos;
}
#endif // __RANGE_HH__