sim/param.cc: Merge changes. --HG-- extra : convert_revision : b5044e1f7c48ae2d74d5233dd4fabfb7a801d7c8
789 lines
18 KiB
C++
789 lines
18 KiB
C++
/*
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* Copyright (c) 2002-2004 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 <algorithm>
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#include <cassert>
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#include <cstdio>
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#include <list>
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#include <string>
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#include <vector>
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#include "base/inifile.hh"
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#include "base/misc.hh"
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#include "base/range.hh"
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#include "base/str.hh"
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#include "base/trace.hh"
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#include "sim/config_node.hh"
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#include "sim/configfile.hh"
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#include "sim/param.hh"
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#include "sim/sim_object.hh"
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using namespace std;
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////////////////////////////////////////////////////////////////////////
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//
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// BaseParam member definitions
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//
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////////////////////////////////////////////////////////////////////////
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void
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BaseParam::die(const string &err) const
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{
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context->printErrorProlog(cerr);
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cerr << " parameter '" << name << "': "
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<< err << endl;
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abort();
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}
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////////////////////////////////////////////////////////////////////////
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//
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// Param<T> and VectorParam<T> member definitions
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//
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// We implement parsing & displaying values for various parameter
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// types T using a set of overloaded functions:
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//
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// - parseParam(string s, T &value) parses s into value
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// - showParam(ostream &os, T &value) displays value on os
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//
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// By making these independent functions, we can reuse the same code
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// for type T in both Param<T> and VectorParam<T>.
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//
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// For enum types, the parseParam function requires additional
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// arguments, in which case we must specialize the Param<T>::parse and
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// VectorParam<T>::parse calls as well.
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//
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// Type-specific instances come first, followed by more generic
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// templated versions and their instantiations.
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//
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////////////////////////////////////////////////////////////////////////
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//
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// The base implementations use to_number for parsing and '<<' for
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// displaying, suitable for integer types.
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//
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template <class T>
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bool
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parseParam(const string &s, T &value)
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{
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return to_number(s, value);
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}
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template <class T>
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void
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showParam(ostream &os, T const &value)
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{
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os << value;
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}
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//
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// Template specializations:
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// - char (8-bit integer)
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// - floating-point types
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// - bool
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// - string
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//
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// Treat 8-bit ints (chars) as ints on output, not as chars
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template <>
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void
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showParam(ostream &os, const char &value)
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{
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os << (int)value;
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}
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template <>
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void
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showParam(ostream &os, const unsigned char &value)
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{
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os << (unsigned int)value;
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}
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// Use sscanf() for FP types as to_number() only handles integers
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template <>
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bool
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parseParam(const string &s, float &value)
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{
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return (sscanf(s.c_str(), "%f", &value) == 1);
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}
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template <>
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bool
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parseParam(const string &s, double &value)
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{
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return (sscanf(s.c_str(), "%lf", &value) == 1);
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}
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// Be flexible about what we take for bool
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template <>
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bool
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parseParam(const string &s, bool &value)
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{
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const string &ls = to_lower(s);
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if (ls == "true" || ls == "t" || ls == "yes" || ls == "y" || ls == "1") {
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value = true;
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return true;
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}
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if (ls == "false" || ls == "f" || ls == "no" || ls == "n" || ls == "0") {
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value = false;
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return true;
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}
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return false;
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}
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// Display bools as strings
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template <>
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void
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showParam(ostream &os, const bool &value)
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{
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os << (value ? "true" : "false");
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}
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// String requires no processing to speak of
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template <>
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bool
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parseParam(const string &s, string &value)
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{
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value = s;
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return true;
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}
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template <>
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bool
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parseParam(const string &s, Range<uint32_t> &value)
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{
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value = s;
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return value.valid();
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}
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template <>
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bool
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parseParam(const string &s, Range<uint64_t> &value)
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{
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value = s;
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return value.valid();
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}
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//
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// End of parseParam/showParam definitions. Now we move on to
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// incorporate them into the Param/VectorParam parse() and showValue()
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// methods.
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//
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// These definitions for Param<T>::parse and VectorParam<T>::parse
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// work for any type for which parseParam() takes only two arguments
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// (i.e., all the fundamental types like int, bool, etc.), thanks to
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// overloading.
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template <class T>
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void
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Param<T>::parse(const string &s)
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{
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if (parseParam(s, value)) {
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wasSet = true;
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}
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else {
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string err("could not parse \"");
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err += s;
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err += "\"";
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die(err);
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}
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}
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template <class T>
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void
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VectorParam<T>::parse(const string &s)
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{
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if (s.empty()) {
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wasSet = true;
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return;
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}
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vector<string> tokens;
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tokenize(tokens, s, ' ');
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value.resize(tokens.size());
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for (int i = 0; i < tokens.size(); i++) {
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// need to parse into local variable to handle vector<bool>,
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// for which operator[] returns a special reference class
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// that's not the same as 'bool&', (since it's a packed
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// vector)
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T scalar_value;
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if (!parseParam(tokens[i], scalar_value)) {
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string err("could not parse \"");
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err += s;
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err += "\"";
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die(err);
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}
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// assign parsed value to vector
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value[i] = scalar_value;
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}
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wasSet = true;
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}
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// These definitions for Param<T>::showValue() and
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// VectorParam<T>::showValue() work for any type where showParam()
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// takes only two arguments (i.e., everything but the SimpleEnum and
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// MappedEnum classes).
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template <class T>
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void
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Param<T>::showValue(ostream &os) const
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{
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showParam(os, value);
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}
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template <class T>
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void
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VectorParam<T>::showValue(ostream &os) const
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{
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for (int i = 0; i < value.size(); i++) {
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if (i != 0) {
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os << " ";
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}
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showParam(os, value[i]);
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}
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}
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#ifdef INSURE_BUILD
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#define INSTANTIATE_PARAM_TEMPLATES(type, typestr) \
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void Param<type>::showType(ostream &os) const { os << typestr; } \
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void VectorParam<type>::showType(ostream &os) const { \
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os << "vector of " << typestr; \
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} \
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template Param<type>; \
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template VectorParam<type>;
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#else
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// instantiate all four methods (parse/show, scalar/vector) for basic
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// types that can use the above templates
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#define INSTANTIATE_PARAM_TEMPLATES(type, typestr) \
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template bool parseParam<type>(const string &s, type &value); \
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template void showParam<type>(ostream &os, type const &value); \
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template void Param<type>::parse(const string &); \
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template void VectorParam<type>::parse(const string &); \
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template void Param<type>::showValue(ostream &) const; \
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template void VectorParam<type>::showValue(ostream &) const; \
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void Param<type>::showType(ostream &os) const { os << typestr; } \
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void VectorParam<type>::showType(ostream &os) const { \
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os << "vector of " << typestr; \
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}
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#endif
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INSTANTIATE_PARAM_TEMPLATES(unsigned long long, "ull")
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INSTANTIATE_PARAM_TEMPLATES(signed long long, "sll")
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INSTANTIATE_PARAM_TEMPLATES(unsigned long, "uns long")
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INSTANTIATE_PARAM_TEMPLATES(signed long, "long")
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INSTANTIATE_PARAM_TEMPLATES(unsigned int, "uns")
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INSTANTIATE_PARAM_TEMPLATES(signed int, "int")
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INSTANTIATE_PARAM_TEMPLATES(unsigned short, "uns short")
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INSTANTIATE_PARAM_TEMPLATES(signed short, "short")
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INSTANTIATE_PARAM_TEMPLATES(unsigned char, "uns char")
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INSTANTIATE_PARAM_TEMPLATES(signed char, "char")
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INSTANTIATE_PARAM_TEMPLATES(float, "float")
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INSTANTIATE_PARAM_TEMPLATES(double, "double")
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INSTANTIATE_PARAM_TEMPLATES(bool, "bool")
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INSTANTIATE_PARAM_TEMPLATES(string, "string")
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INSTANTIATE_PARAM_TEMPLATES(Range<uint64_t>, "uint64 range")
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INSTANTIATE_PARAM_TEMPLATES(Range<uint32_t>, "uint32 range")
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#undef INSTANTIATE_PARAM_TEMPLATES
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//
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// SimpleEnumParam & MappedEnumParam must specialize their parse(),
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// showValue(), and showType() methods.
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//
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//
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// SimpleEnumParam & SimpleEnumVectorParam
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//
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bool
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parseEnumParam(const char *const *map, const int num_values,
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const string &s, int &value)
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{
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for (int i = 0; i < num_values; ++i) {
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if (s == map[i]) {
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value = i;
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return true;
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}
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}
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return false;
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}
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void
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showEnumParam(ostream &os,
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const char *const *map, const int num_values,
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int value)
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{
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assert(0 <= value && value < num_values);
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os << map[value];
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}
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void
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showEnumType(ostream &os,
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const char *const *map, const int num_values)
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{
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os << "{" << map[0];
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for (int i = 1; i < num_values; ++i)
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os << "," << map[i];
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os << "}";
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}
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//
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// MappedEnumParam & MappedEnumVectorParam
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//
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bool
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parseEnumParam(const EnumParamMap *map, const int num_values,
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const string &s, int &value)
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{
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for (int i = 0; i < num_values; ++i) {
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if (s == map[i].name) {
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value = map[i].value;
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return true;
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}
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}
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return false;
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}
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void
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showEnumParam(ostream &os,
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const EnumParamMap *map, const int num_values,
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int value)
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{
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for (int i = 0; i < num_values; ++i) {
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if (value == map[i].value) {
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os << map[i].name;
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return;
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}
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}
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// if we can't find a reverse mapping just print the int value
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os << value;
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}
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void
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showEnumType(ostream &os,
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const EnumParamMap *map, const int num_values)
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{
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os << "{" << map[0].name;
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for (int i = 1; i < num_values; ++i)
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os << "," << map[i].name;
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os << "}";
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}
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template <class Map>
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void
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EnumParam<Map>::parse(const string &s)
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{
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if (parseEnumParam(map, num_values, s, value)) {
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wasSet = true;
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} else {
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string err("no match for enum string \"");
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err += s;
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err += "\"";
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die(err);
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}
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}
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template <class Map>
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void
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EnumVectorParam<Map>::parse(const string &s)
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{
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vector<string> tokens;
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tokenize(tokens, s, ' ');
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value.resize(tokens.size());
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for (int i = 0; i < tokens.size(); i++) {
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if (!parseEnumParam(map, num_values, tokens[i], value[i])) {
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string err("no match for enum string \"");
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err += s;
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err += "\"";
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die(err);
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}
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}
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wasSet = true;
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}
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template <class Map>
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void
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EnumParam<Map>::showValue(ostream &os) const
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{
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showEnumParam(os, map, num_values, value);
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}
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template <class Map>
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void
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EnumVectorParam<Map>::showValue(ostream &os) const
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{
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for (int i = 0; i < value.size(); i++) {
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if (i != 0) {
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os << " ";
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}
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showEnumParam(os, map, num_values, value[i]);
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}
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}
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template <class Map>
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void
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EnumParam<Map>::showType(ostream &os) const
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{
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showEnumType(os, map, num_values);
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}
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template <class Map>
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void
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EnumVectorParam<Map>::showType(ostream &os) const
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{
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os << "vector of";
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showEnumType(os, map, num_values);
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}
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template class EnumParam<const char *>;
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template class EnumVectorParam<const char *>;
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template class EnumParam<EnumParamMap>;
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template class EnumVectorParam<EnumParamMap>;
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////////////////////////////////////////////////////////////////////////
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//
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// SimObjectBaseParam methods
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//
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////////////////////////////////////////////////////////////////////////
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bool
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parseSimObjectParam(ParamContext *context, const string &s, SimObject *&value)
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{
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SimObject *obj;
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if (to_lower(s) == "null") {
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// explicitly set to null by user; assume that's OK
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obj = NULL;
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}
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else {
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obj = context->resolveSimObject(s);
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if (obj == NULL)
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return false;
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}
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value = obj;
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return true;
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}
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void
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SimObjectBaseParam::showValue(ostream &os, SimObject *value) const
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{
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os << (value ? value->name() : "null");
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}
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void
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SimObjectBaseParam::parse(const string &s, SimObject *&value)
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{
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if (parseSimObjectParam(context, s, value)) {
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wasSet = true;
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}
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else {
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string err("could not resolve object name \"");
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err += s;
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err += "\"";
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die(err);
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}
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}
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void
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SimObjectBaseParam::parse(const string &s, vector<SimObject *>&value)
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{
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vector<string> tokens;
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tokenize(tokens, s, ' ');
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value.resize(tokens.size());
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for (int i = 0; i < tokens.size(); i++) {
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if (!parseSimObjectParam(context, tokens[i], value[i])) {
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string err("could not resolve object name \"");
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err += s;
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err += "\"";
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die(err);
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}
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}
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wasSet = true;
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}
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|
|
////////////////////////////////////////////////////////////////////////
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//
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// ParamContext member definitions
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//
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////////////////////////////////////////////////////////////////////////
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list<ParamContext *> *ParamContext::ctxList = NULL;
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|
ParamContext::ParamContext(const string &_iniSection, InitPhase _initPhase)
|
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: iniFilePtr(NULL), // initialized on call to parseParams()
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iniSection(_iniSection), paramList(NULL),
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initPhase(_initPhase)
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{
|
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// Put this context on global list for initialization
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if (initPhase != NoAutoInit) {
|
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if (ctxList == NULL)
|
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ctxList = new list<ParamContext *>();
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|
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// keep list sorted by ascending initPhase values
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list<ParamContext *>::iterator i = ctxList->begin();
|
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list<ParamContext *>::iterator end = ctxList->end();
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for (; i != end; ++i) {
|
|
if (initPhase <= (*i)->initPhase) {
|
|
// found where we want to insert
|
|
break;
|
|
}
|
|
}
|
|
// (fall through case: insert at end)
|
|
ctxList->insert(i, this);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
ParamContext::addParam(BaseParam *param)
|
|
{
|
|
getParamList()->push_back(param);
|
|
}
|
|
|
|
|
|
void
|
|
ParamContext::parseParams(IniFile &iniFile)
|
|
{
|
|
iniFilePtr = &iniFile; // set object member
|
|
|
|
ParamList::iterator i;
|
|
|
|
for (i = getParamList()->begin(); i != getParamList()->end(); ++i) {
|
|
string string_value;
|
|
|
|
if (iniFile.find(iniSection, (*i)->name, string_value))
|
|
(*i)->parse(string_value);
|
|
}
|
|
}
|
|
|
|
|
|
// Check parameter values for validity & consistency. Default
|
|
// implementation is no-op; derive subclass & override to add
|
|
// actual functionality here.
|
|
void
|
|
ParamContext::checkParams()
|
|
{
|
|
// nada
|
|
}
|
|
|
|
|
|
// Clean up context-related objects at end of execution. Default
|
|
// implementation is no-op; derive subclass & override to add actual
|
|
// functionality here.
|
|
void
|
|
ParamContext::cleanup()
|
|
{
|
|
// nada
|
|
}
|
|
|
|
|
|
void
|
|
ParamContext::describeParams(ostream &os)
|
|
{
|
|
ParamList::iterator i;
|
|
|
|
for (i = getParamList()->begin(); i != getParamList()->end(); ++i) {
|
|
BaseParam *p = *i;
|
|
|
|
os << p->name << " (";
|
|
p->showType(os);
|
|
os << "): " << p->description << "\n";
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void
|
|
ParamContext::showParams(ostream &os)
|
|
{
|
|
ParamList::iterator i;
|
|
|
|
for (i = getParamList()->begin(); i != getParamList()->end(); ++i) {
|
|
BaseParam *p = *i;
|
|
|
|
if (p->isValid()) {
|
|
os << p->name << "=";
|
|
p->showValue(os);
|
|
os << endl;
|
|
}
|
|
else {
|
|
os << "// "<< p->name << " not specified" << endl;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
ParamContext::printErrorProlog(ostream &os)
|
|
{
|
|
os << "Parameter error in section [" << iniSection << "]: " << endl;
|
|
}
|
|
|
|
//
|
|
// Resolve an object name to a SimObject pointer. The object will be
|
|
// created as a side-effect if necessary. If the name contains a
|
|
// colon (e.g., "iq:IQ"), then the object is local (invisible to
|
|
// outside this context). If there is no colon, the name needs to be
|
|
// resolved through the configuration hierarchy (only possible for
|
|
// SimObjectBuilder objects, which return non-NULL for configNode()).
|
|
//
|
|
SimObject *
|
|
ParamContext::resolveSimObject(const string &name)
|
|
{
|
|
ConfigNode *n = getConfigNode();
|
|
return n ? n->resolveSimObject(name) : NULL;
|
|
}
|
|
|
|
|
|
//
|
|
// static method: call parseParams() on all registered contexts
|
|
//
|
|
void
|
|
ParamContext::parseAllContexts(IniFile &iniFile)
|
|
{
|
|
list<ParamContext *>::iterator iter;
|
|
|
|
for (iter = ctxList->begin(); iter != ctxList->end(); ++iter) {
|
|
ParamContext *pc = *iter;
|
|
|
|
pc->parseParams(iniFile);
|
|
}
|
|
}
|
|
|
|
|
|
//
|
|
// static method: call checkParams() on all registered contexts
|
|
//
|
|
void
|
|
ParamContext::checkAllContexts()
|
|
{
|
|
list<ParamContext *>::iterator iter;
|
|
|
|
for (iter = ctxList->begin(); iter != ctxList->end(); ++iter) {
|
|
ParamContext *pc = *iter;
|
|
|
|
pc->checkParams();
|
|
}
|
|
}
|
|
|
|
|
|
//
|
|
// static method: call showParams() on all registered contexts
|
|
//
|
|
void
|
|
ParamContext::showAllContexts(ostream &os)
|
|
{
|
|
list<ParamContext *>::iterator iter;
|
|
|
|
for (iter = ctxList->begin(); iter != ctxList->end(); ++iter) {
|
|
ParamContext *pc = *iter;
|
|
|
|
os << "[" << pc->iniSection << "]" << endl;
|
|
pc->showParams(os);
|
|
os << endl;
|
|
}
|
|
}
|
|
|
|
|
|
//
|
|
// static method: call cleanup() on all registered contexts
|
|
//
|
|
void
|
|
ParamContext::cleanupAllContexts()
|
|
{
|
|
list<ParamContext *>::iterator iter;
|
|
|
|
for (iter = ctxList->begin(); iter != ctxList->end(); ++iter) {
|
|
ParamContext *pc = *iter;
|
|
|
|
pc->cleanup();
|
|
}
|
|
}
|
|
|
|
|
|
//
|
|
// static method: call describeParams() on all registered contexts
|
|
//
|
|
void
|
|
ParamContext::describeAllContexts(ostream &os)
|
|
{
|
|
list<ParamContext *>::iterator iter;
|
|
|
|
for (iter = ctxList->begin(); iter != ctxList->end(); ++iter) {
|
|
ParamContext *pc = *iter;
|
|
|
|
os << "[" << pc->iniSection << "]\n";
|
|
pc->describeParams(os);
|
|
os << endl;
|
|
}
|
|
}
|