433 lines
13 KiB
C++
433 lines
13 KiB
C++
/*
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* Copyright (C) 2003-2010 Dynare Team
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*
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* This file is part of Dynare.
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*
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* Dynare is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Dynare is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Dynare. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <algorithm>
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#include <sstream>
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#include <iostream>
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#include <cassert>
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#include "SymbolTable.hh"
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AuxVarInfo::AuxVarInfo(int symb_id_arg, aux_var_t type_arg, int orig_symb_id_arg, int orig_lead_lag_arg, string expectation_information_set_name_arg) :
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symb_id(symb_id_arg),
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type(type_arg),
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orig_symb_id(orig_symb_id_arg),
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orig_lead_lag(orig_lead_lag_arg),
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expectation_information_set_name(expectation_information_set_name_arg)
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{
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}
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SymbolTable::SymbolTable() : frozen(false), size(0)
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{
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}
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int
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SymbolTable::addSymbol(const string &name, SymbolType type, const string &tex_name) throw (AlreadyDeclaredException, FrozenException)
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{
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if (frozen)
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throw FrozenException();
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if (exists(name))
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{
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if (type_table[getID(name)] == type)
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throw AlreadyDeclaredException(name, true);
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else
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throw AlreadyDeclaredException(name, false);
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}
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int id = size++;
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symbol_table[name] = id;
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type_table.push_back(type);
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name_table.push_back(name);
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tex_name_table.push_back(tex_name);
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return id;
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}
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int
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SymbolTable::addSymbol(const string &name, SymbolType type) throw (AlreadyDeclaredException, FrozenException)
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{
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// Construct "tex_name" by prepending an antislash to all underscores in "name"
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string tex_name = name;
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size_t pos = 0;
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while ((pos = tex_name.find('_', pos)) != string::npos)
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{
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tex_name.insert(pos, "\\");
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pos += 2;
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}
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return addSymbol(name, type, tex_name);
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}
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void
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SymbolTable::freeze() throw (FrozenException)
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{
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if (frozen)
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throw FrozenException();
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frozen = true;
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for (int i = 0; i < size; i++)
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{
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int tsi;
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switch (getType(i))
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{
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case eEndogenous:
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tsi = endo_ids.size();
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endo_ids.push_back(i);
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break;
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case eExogenous:
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tsi = exo_ids.size();
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exo_ids.push_back(i);
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break;
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case eExogenousDet:
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tsi = exo_det_ids.size();
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exo_det_ids.push_back(i);
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break;
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case eParameter:
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tsi = param_ids.size();
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param_ids.push_back(i);
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break;
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default:
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tsi = -1;
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break;
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}
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type_specific_ids.push_back(tsi);
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}
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}
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void
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SymbolTable::changeType(int id, SymbolType newtype) throw (UnknownSymbolIDException, FrozenException)
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{
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if (frozen)
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throw FrozenException();
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if (id < 0 || id >= size)
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throw UnknownSymbolIDException(id);
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type_table[id] = newtype;
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}
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int
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SymbolTable::getID(SymbolType type, int tsid) const throw (UnknownTypeSpecificIDException, NotYetFrozenException)
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{
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if (!frozen)
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throw NotYetFrozenException();
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switch (type)
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{
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case eEndogenous:
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if (tsid < 0 || tsid >= (int) endo_ids.size())
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throw UnknownTypeSpecificIDException(tsid, type);
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else
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return endo_ids[tsid];
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case eExogenous:
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if (tsid < 0 || tsid >= (int) exo_ids.size())
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throw UnknownTypeSpecificIDException(tsid, type);
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else
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return exo_ids[tsid];
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case eExogenousDet:
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if (tsid < 0 || tsid >= (int) exo_det_ids.size())
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throw UnknownTypeSpecificIDException(tsid, type);
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else
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return exo_det_ids[tsid];
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case eParameter:
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if (tsid < 0 || tsid >= (int) param_ids.size())
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throw UnknownTypeSpecificIDException(tsid, type);
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else
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return param_ids[tsid];
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default:
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throw UnknownTypeSpecificIDException(tsid, type);
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}
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}
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void
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SymbolTable::writeOutput(ostream &output) const throw (NotYetFrozenException)
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{
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if (!frozen)
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throw NotYetFrozenException();
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if (exo_nbr() > 0)
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{
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output << "M_.exo_names = '" << getName(exo_ids[0]) << "';" << endl;
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output << "M_.exo_names_tex = '" << getTeXName(exo_ids[0]) << "';" << endl;
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for (int id = 1; id < exo_nbr(); id++)
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{
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output << "M_.exo_names = strvcat(M_.exo_names, '" << getName(exo_ids[id]) << "');" << endl
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<< "M_.exo_names_tex = strvcat(M_.exo_names_tex, '" << getTeXName(exo_ids[id]) << "');" << endl;
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}
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}
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if (exo_det_nbr() > 0)
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{
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output << "M_.exo_det_names = '" << getName(exo_det_ids[0]) << "';" << endl;
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output << "M_.exo_det_names_tex = '" << getTeXName(exo_det_ids[0]) << "';" << endl;
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for (int id = 1; id < exo_det_nbr(); id++)
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{
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output << "M_.exo_det_names = strvcat(M_.exo_det_names, '" << getName(exo_det_ids[id]) << "');" << endl
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<< "M_.exo_det_names_tex = strvcat(M_.exo_det_names_tex, '" << getTeXName(exo_det_ids[id]) << "');" << endl;
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}
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}
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if (endo_nbr() > 0)
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{
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output << "M_.endo_names = '" << getName(endo_ids[0]) << "';" << endl;
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output << "M_.endo_names_tex = '" << getTeXName(endo_ids[0]) << "';" << endl;
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for (int id = 1; id < endo_nbr(); id++)
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{
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output << "M_.endo_names = strvcat(M_.endo_names, '" << getName(endo_ids[id]) << "');" << endl
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<< "M_.endo_names_tex = strvcat(M_.endo_names_tex, '" << getTeXName(endo_ids[id]) << "');" << endl;
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}
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}
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if (param_nbr() > 0)
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{
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output << "M_.param_names = '" << getName(param_ids[0]) << "';" << endl;
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output << "M_.param_names_tex = '" << getTeXName(param_ids[0]) << "';" << endl;
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for (int id = 1; id < param_nbr(); id++)
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{
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output << "M_.param_names = strvcat(M_.param_names, '" << getName(param_ids[id]) << "');" << endl
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<< "M_.param_names_tex = strvcat(M_.param_names_tex, '" << getTeXName(param_ids[id]) << "');" << endl;
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if (getName(param_ids[id]) == "dsge_prior_weight")
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output << "options_.dsge_var = 1;" << endl;
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}
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}
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output << "M_.exo_det_nbr = " << exo_det_nbr() << ";" << endl
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<< "M_.exo_nbr = " << exo_nbr() << ";" << endl
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<< "M_.endo_nbr = " << endo_nbr() << ";" << endl
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<< "M_.param_nbr = " << param_nbr() << ";" << endl;
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// Write the auxiliary variable table
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output << "M_.orig_endo_nbr = " << orig_endo_nbr() << ";" << endl;
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if (aux_vars.size() == 0)
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output << "M_.aux_vars = [];" << endl;
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else
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for (int i = 0; i < (int) aux_vars.size(); i++)
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{
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output << "M_.aux_vars(" << i+1 << ").endo_index = " << getTypeSpecificID(aux_vars[i].get_symb_id())+1 << ";" << endl
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<< "M_.aux_vars(" << i+1 << ").type = " << aux_vars[i].get_type() << ";" << endl;
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switch (aux_vars[i].get_type())
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{
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case avEndoLead:
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case avExoLead:
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case avExpectation:
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break;
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case avExpectationRIS:
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output << "M_.aux_vars(" << i+1 << ").expectation_information_set_name = '" << aux_vars[i].get_expectation_information_set_name() << "';" << endl;
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break;
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case avEndoLag:
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case avExoLag:
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output << "M_.aux_vars(" << i+1 << ").orig_index = " << getTypeSpecificID(aux_vars[i].get_orig_symb_id())+1 << ";" << endl
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<< "M_.aux_vars(" << i+1 << ").orig_lead_lag = " << aux_vars[i].get_orig_lead_lag() << ";" << endl;
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break;
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}
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}
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if (predeterminedNbr() > 0)
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{
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output << "M_.predetermined_variables = [ ";
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for (set<int>::const_iterator it = predetermined_variables.begin();
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it != predetermined_variables.end(); it++)
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output << getTypeSpecificID(*it)+1 << " ";
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output << "];" << endl;
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}
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if (observedVariablesNbr() > 0)
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{
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output << "options_.varobs = [];" << endl;
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for (vector<int>::const_iterator it = varobs.begin();
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it != varobs.end(); it++)
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output << "options_.varobs = strvcat(options_.varobs, '" << getName(*it) << "');" << endl;
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output << "options_.varobs_id = [ ";
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for (vector<int>::const_iterator it = varobs.begin();
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it != varobs.end(); it++)
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output << getTypeSpecificID(*it)+1 << " ";
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output << " ];" << endl;
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}
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}
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int
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SymbolTable::addLeadAuxiliaryVarInternal(bool endo, int index) throw (FrozenException)
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{
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ostringstream varname;
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if (endo)
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varname << "AUX_ENDO_LEAD_";
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else
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varname << "AUX_EXO_LEAD_";
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varname << index;
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int symb_id;
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try
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{
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symb_id = addSymbol(varname.str(), eEndogenous);
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}
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catch (AlreadyDeclaredException &e)
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{
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cerr << "ERROR: you should rename your variable called " << varname.str() << ", this name is internally used by Dynare" << endl;
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exit(EXIT_FAILURE);
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}
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aux_vars.push_back(AuxVarInfo(symb_id, (endo ? avEndoLead : avExoLead), 0, 0, ""));
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return symb_id;
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}
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int
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SymbolTable::addLagAuxiliaryVarInternal(bool endo, int orig_symb_id, int orig_lead_lag) throw (FrozenException)
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{
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ostringstream varname;
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if (endo)
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varname << "AUX_ENDO_LAG_";
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else
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varname << "AUX_EXO_LAG_";
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varname << orig_symb_id << "_" << -orig_lead_lag;
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int symb_id;
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try
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{
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symb_id = addSymbol(varname.str(), eEndogenous);
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}
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catch (AlreadyDeclaredException &e)
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{
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cerr << "ERROR: you should rename your variable called " << varname.str() << ", this name is internally used by Dynare" << endl;
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exit(EXIT_FAILURE);
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}
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aux_vars.push_back(AuxVarInfo(symb_id, (endo ? avEndoLag : avExoLag), orig_symb_id, orig_lead_lag, ""));
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return symb_id;
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}
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int
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SymbolTable::addEndoLeadAuxiliaryVar(int index) throw (FrozenException)
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{
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return addLeadAuxiliaryVarInternal(true, index);
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}
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int
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SymbolTable::addEndoLagAuxiliaryVar(int orig_symb_id, int orig_lead_lag) throw (FrozenException)
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{
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return addLagAuxiliaryVarInternal(true, orig_symb_id, orig_lead_lag);
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}
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int
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SymbolTable::addExoLeadAuxiliaryVar(int index) throw (FrozenException)
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{
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return addLeadAuxiliaryVarInternal(false, index);
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}
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int
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SymbolTable::addExoLagAuxiliaryVar(int orig_symb_id, int orig_lead_lag) throw (FrozenException)
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{
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return addLagAuxiliaryVarInternal(false, orig_symb_id, orig_lead_lag);
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}
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int
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SymbolTable::addExpectationAuxiliaryVar(int information_set, int index, const string &information_set_name) throw (FrozenException)
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{
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ostringstream varname;
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int symb_id;
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if (information_set_name.empty())
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varname << "AUX_EXPECT_" << (information_set < 0 ? "LAG" : "LEAD") << "_"
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<< abs(information_set) << "_" << index;
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else
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varname << "AUX_EXPECT_" << information_set_name << "_" << index;
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try
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{
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symb_id = addSymbol(varname.str(), eEndogenous);
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}
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catch (AlreadyDeclaredException &e)
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{
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cerr << "ERROR: you should rename your variable called " << varname.str() << ", this name is internally used by Dynare" << endl;
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exit(EXIT_FAILURE);
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}
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aux_vars.push_back(AuxVarInfo(symb_id, (information_set_name.empty() ? avExpectation : avExpectationRIS), 0, 0, information_set_name));
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return symb_id;
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}
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int
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SymbolTable::searchAuxiliaryVars(int orig_symb_id, int orig_lead_lag) const
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{
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for (int i=0; i < aux_vars.size();++i)
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if ((aux_vars[i].get_orig_symb_id() == orig_symb_id) && (aux_vars[i].get_orig_lead_lag() == orig_lead_lag))
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return aux_vars[i].get_symb_id();
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return -1;
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}
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void
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SymbolTable::markPredetermined(int symb_id) throw (UnknownSymbolIDException, FrozenException)
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{
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if (symb_id < 0 || symb_id >= size)
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throw UnknownSymbolIDException(symb_id);
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if (frozen)
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throw FrozenException();
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assert(getType(symb_id) == eEndogenous);
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predetermined_variables.insert(symb_id);
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}
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bool
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SymbolTable::isPredetermined(int symb_id) const throw (UnknownSymbolIDException)
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{
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if (symb_id < 0 || symb_id >= size)
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throw UnknownSymbolIDException(symb_id);
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return (predetermined_variables.find(symb_id) != predetermined_variables.end());
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}
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int
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SymbolTable::predeterminedNbr() const
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{
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return (predetermined_variables.size());
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}
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void
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SymbolTable::addObservedVariable(int symb_id) throw (UnknownSymbolIDException)
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{
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if (symb_id < 0 || symb_id >= size)
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throw UnknownSymbolIDException(symb_id);
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assert(getType(symb_id) == eEndogenous);
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varobs.push_back(symb_id);
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}
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int
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SymbolTable::observedVariablesNbr() const
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{
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return (int) varobs.size();
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}
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bool
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SymbolTable::isObservedVariable(int symb_id) const
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{
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return (find(varobs.begin(), varobs.end(), symb_id) != varobs.end());
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}
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int
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SymbolTable::getObservedVariableIndex(int symb_id) const
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{
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vector<int>::const_iterator it = find(varobs.begin(), varobs.end(), symb_id);
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assert(it != varobs.end());
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return (int) (it - varobs.begin());
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}
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