b881408ed7
never clear about whether the end of the range was inclusive
or exclusive. Make it inclusive, but also provide a RangeSize()
function that will generate a Range based on a start and a size.
This, in combination with using the comparison operators, makes
almost all usages of the range not care how it is stored.
base/range.cc:
Make the end of the range inclusive.
start/end -> first/last
(end seems too much like end() in stl)
base/range.hh:
Make the end of the range inclusive.
Fix all comparison operators so that they work correctly with
an inclusive range. Also, when comparing one range to another
with <, <=, >, >=, we only look at the beginning of the range
beacuse x <= y should be the same as x < y || x == y. (This wasn't
the case before.)
Add a few functions for making a range:
RangeSize is start and size
RangeEx is start and end where end is exclusive
RangeIn is start and end where end is inclusive
start/end -> first/last
(end seems too much like end() in stl)
dev/alpha_console.cc:
dev/baddev.cc:
dev/ide_ctrl.cc:
dev/ns_gige.cc:
dev/pciconfigall.cc:
dev/pcidev.cc:
dev/tsunami_cchip.cc:
dev/tsunami_io.cc:
dev/tsunami_pchip.cc:
dev/uart.cc:
Use the RangeSize function to create a range.
--HG--
extra : convert_revision : 29a7eb7fce745680f1c77fefff456c2144bc3994
84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
/*
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* Copyright (c) 2004 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 "base/intmath.hh"
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#include "base/range.hh"
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#include "base/str.hh"
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using namespace std;
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template <class T>
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bool
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__x_parse_range(const std::string &str, T &first, T &last)
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{
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std::vector<std::string> values;
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tokenize(values, str, ':');
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T thefirst, thelast;
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if (values.size() != 2)
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return false;
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std::string s = values[0];
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std::string e = values[1];
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if (!to_number(s, thefirst))
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return false;
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bool increment = (e[0] == '+');
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if (increment)
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e = e.substr(1);
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if (!to_number(e, thelast))
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return false;
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if (increment)
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thelast += thefirst - 1;
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first = thefirst;
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last = thelast;
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return true;
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}
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#define RANGE_PARSE(type) \
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template<> bool \
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__parse_range(const std::string &s, type &first, type &last) \
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{ return __x_parse_range(s, first, last); }
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RANGE_PARSE(unsigned long long);
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RANGE_PARSE(signed long long);
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RANGE_PARSE(unsigned long);
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RANGE_PARSE(signed long);
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RANGE_PARSE(unsigned int);
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RANGE_PARSE(signed int);
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RANGE_PARSE(unsigned short);
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RANGE_PARSE(signed short);
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RANGE_PARSE(unsigned char);
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RANGE_PARSE(signed char);
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