68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2004, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO 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 2 of the License, or
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(at your option) any later version.
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SECONDO 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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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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*/
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#include "Include.h"
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using namespace std;
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using namespace nr2a;
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TypeOf::~TypeOf()
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{
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}
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/*
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The operator accepts only a single argument of any type. The value mapping is
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not used.
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*/
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/*static*/ListExpr TypeOf::MapType(ListExpr args)
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{
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ListExpr type = nl->First(args);
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string out;
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nl->WriteToString(out, type);
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//cerr << "**\n**\n** type mapping: " << out << "\n**\n**\n" << endl;
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return
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listutils::typeError("\n*** type of expression is :\n" + out + "\n***");
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}
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ValueMapping TypeOf::functions[] = { MapValue, NULL };
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/*static*/int TypeOf::SelectFunction(ListExpr args)
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{
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return 0;
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}
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/*static*/int TypeOf::MapValue(Word* args, Word& result, int message,
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Word& local, Supplier s)
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{
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assert(false);
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return 0;
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}
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/*
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List of functions for cost estimation.
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*/
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CreateCostEstimation TypeOf::costEstimators[] =
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{ BlockingProgressEstimator::Build };
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