/
operator.cpp
116 lines (108 loc) · 2.63 KB
/
operator.cpp
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/*
* The Doomsday Engine Project -- libcore
*
* Copyright © 2004-2017 Jaakko Keränen <jaakko.keranen@iki.fi>
*
* @par License
* LGPL: http://www.gnu.org/licenses/lgpl.html
*
* <small>This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version. This program is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
* General Public License for more details. You should have received a copy of
* the GNU Lesser General Public License along with this program; if not, see:
* http://www.gnu.org/licenses</small>
*/
#include "de/Operator"
#include "de/String"
namespace de {
String operatorToText(Operator op)
{
switch (op)
{
case NOT:
return "NOT";
case AND:
return "AND";
case OR:
return "OR";
case IN:
return "IN";
case EQUAL:
return "EQUAL";
case NOT_EQUAL:
return "NOT_EQUAL";
case LESS:
return "LESS";
case GREATER:
return "GREATER";
case LEQUAL:
return "LEQUAL";
case GEQUAL:
return "GEQUAL";
case PLUS:
return "PLUS";
case MINUS:
return "MINUS";
case DIVIDE:
return "DIVIDE";
case MULTIPLY:
return "MULTIPLY";
case MODULO:
return "MODULO";
case PLUS_ASSIGN:
return "PLUS_ASSIGN";
case MINUS_ASSIGN:
return "MINUS_ASSIGN";
case DIVIDE_ASSIGN:
return "DIVIDE_ASSIGN";
case MULTIPLY_ASSIGN:
return "MULTIPLY_ASSIGN";
case MODULO_ASSIGN:
return "MODULO_ASSIGN";
case DOT:
return "DOT";
case MEMBER:
return "MEMBER";
case CALL:
return "CALL";
case ARRAY:
return "ARRAY";
case DICTIONARY:
return "DICTIONARY";
case INDEX:
return "INDEX";
case SLICE:
return "SLICE";
case RESULT_TRUE:
return "RESULT_TRUE";
default:
return "UNKNOWN";
}
}
bool leftOperandByReference(Operator op)
{
switch (op)
{
case PLUS_ASSIGN:
case MINUS_ASSIGN:
case DIVIDE_ASSIGN:
case MULTIPLY_ASSIGN:
case MODULO_ASSIGN:
return true;
default:
return false;
}
}
bool isUnary(Operator op)
{
return (op == PLUS || op == MINUS || op == NOT || op == RESULT_TRUE);
}
bool isBinary(Operator op)
{
return (op != NOT);
}
} // namespace de