Calculator.h revision 10448
110448Snilay@cs.wisc.edu/* Copyright (c) 2012 Massachusetts Institute of Technology 210448Snilay@cs.wisc.edu * 310448Snilay@cs.wisc.edu * Permission is hereby granted, free of charge, to any person obtaining a copy 410448Snilay@cs.wisc.edu * of this software and associated documentation files (the "Software"), to deal 510448Snilay@cs.wisc.edu * in the Software without restriction, including without limitation the rights 610448Snilay@cs.wisc.edu * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 710448Snilay@cs.wisc.edu * copies of the Software, and to permit persons to whom the Software is 810448Snilay@cs.wisc.edu * furnished to do so, subject to the following conditions: 910448Snilay@cs.wisc.edu * 1010448Snilay@cs.wisc.edu * The above copyright notice and this permission notice shall be included in 1110448Snilay@cs.wisc.edu * all copies or substantial portions of the Software. 1210448Snilay@cs.wisc.edu * 1310448Snilay@cs.wisc.edu * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 1410448Snilay@cs.wisc.edu * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 1510448Snilay@cs.wisc.edu * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 1610448Snilay@cs.wisc.edu * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 1710448Snilay@cs.wisc.edu * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 1810448Snilay@cs.wisc.edu * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 1910448Snilay@cs.wisc.edu * THE SOFTWARE. 2010448Snilay@cs.wisc.edu */ 2110448Snilay@cs.wisc.edu 2210447Snilay@cs.wisc.edu#ifndef __LIBUTIL_CALCULATOR_H__ 2310447Snilay@cs.wisc.edu#define __LIBUTIL_CALCULATOR_H__ 2410447Snilay@cs.wisc.edu 2510447Snilay@cs.wisc.edu#include <sstream> 2610447Snilay@cs.wisc.edu 2710448Snilay@cs.wisc.edu#include "model/Model.h" 2810447Snilay@cs.wisc.edu#include "String.h" 2910447Snilay@cs.wisc.edu#include "Map.h" 3010447Snilay@cs.wisc.edu#include "Assert.h" 3110447Snilay@cs.wisc.edu 3210447Snilay@cs.wisc.edunamespace LibUtil 3310447Snilay@cs.wisc.edu{ 3410447Snilay@cs.wisc.edu using std::istringstream; 3510448Snilay@cs.wisc.edu using std::ostringstream; 3610447Snilay@cs.wisc.edu 3710447Snilay@cs.wisc.edu /* 3810447Snilay@cs.wisc.edu * program: 3910447Snilay@cs.wisc.edu * END // END is end-of-input 4010447Snilay@cs.wisc.edu * expr_list END 4110447Snilay@cs.wisc.edu * 4210447Snilay@cs.wisc.edu * expr_list: 4310447Snilay@cs.wisc.edu * expression SEP expr_list // SEP is semicolon 4410447Snilay@cs.wisc.edu * expression 4510447Snilay@cs.wisc.edu * print expression 4610447Snilay@cs.wisc.edu * print STRING 4710447Snilay@cs.wisc.edu * print STRING expression 4810447Snilay@cs.wisc.edu * print STRING expression SEP expr_list 4910447Snilay@cs.wisc.edu * 5010447Snilay@cs.wisc.edu * 5110447Snilay@cs.wisc.edu * expression: 5210447Snilay@cs.wisc.edu * expression + term 5310447Snilay@cs.wisc.edu * expression - term 5410447Snilay@cs.wisc.edu * term 5510447Snilay@cs.wisc.edu * 5610447Snilay@cs.wisc.edu * term: 5710447Snilay@cs.wisc.edu * term / primary 5810447Snilay@cs.wisc.edu * term * primary 5910447Snilay@cs.wisc.edu * primary 6010447Snilay@cs.wisc.edu * 6110447Snilay@cs.wisc.edu * primary: 6210447Snilay@cs.wisc.edu * NUMBER 6310447Snilay@cs.wisc.edu * NAME 6410447Snilay@cs.wisc.edu * NAME = expression 6510447Snilay@cs.wisc.edu * NAME string expression // NAME is print 6610447Snilay@cs.wisc.edu * - primary 6710447Snilay@cs.wisc.edu * ( expression ) 6810447Snilay@cs.wisc.edu * 6910447Snilay@cs.wisc.edu * string: 7010447Snilay@cs.wisc.edu * 7110447Snilay@cs.wisc.edu **/ 7210447Snilay@cs.wisc.edu 7310447Snilay@cs.wisc.edu class Calculator 7410447Snilay@cs.wisc.edu { 7510447Snilay@cs.wisc.edu protected: 7610447Snilay@cs.wisc.edu enum Token 7710447Snilay@cs.wisc.edu { 7810447Snilay@cs.wisc.edu NAME, NAME2, NUMBER, STRING, END, 7910447Snilay@cs.wisc.edu PLUS = '+', MINUS = '-', MUL = '*', DIV = '/', 8010447Snilay@cs.wisc.edu SEP = ';', ASSIGN = '=', LP = '(', RP = ')' 8110447Snilay@cs.wisc.edu }; 8210447Snilay@cs.wisc.edu 8310447Snilay@cs.wisc.edu public: 8410447Snilay@cs.wisc.edu Calculator(); 8510447Snilay@cs.wisc.edu virtual ~Calculator(); 8610447Snilay@cs.wisc.edu 8710447Snilay@cs.wisc.edu public: 8810447Snilay@cs.wisc.edu void reset(); 8910448Snilay@cs.wisc.edu void evaluateString(const String& str_, 9010448Snilay@cs.wisc.edu const std::map<String, String> &config, 9110448Snilay@cs.wisc.edu DSENT::Model *ms_model, 9210448Snilay@cs.wisc.edu std::map<std::string, double> &outputs); 9310447Snilay@cs.wisc.edu 9410447Snilay@cs.wisc.edu protected: 9510447Snilay@cs.wisc.edu Token getToken(istringstream& ist_); 9610448Snilay@cs.wisc.edu 9710448Snilay@cs.wisc.edu double prim(istringstream& ist_, bool is_get_, 9810448Snilay@cs.wisc.edu const std::map<String, String> &config, 9910448Snilay@cs.wisc.edu DSENT::Model *ms_model); 10010448Snilay@cs.wisc.edu 10110448Snilay@cs.wisc.edu double term(istringstream& ist_, bool is_get_, 10210448Snilay@cs.wisc.edu const std::map<String, String> &config, 10310448Snilay@cs.wisc.edu DSENT::Model *ms_model); 10410448Snilay@cs.wisc.edu 10510448Snilay@cs.wisc.edu double expr(istringstream& ist_, bool is_get_, 10610448Snilay@cs.wisc.edu const std::map<String, String> &config, 10710448Snilay@cs.wisc.edu DSENT::Model *ms_model); 10810448Snilay@cs.wisc.edu 10910448Snilay@cs.wisc.edu virtual double getEnvVar( 11010448Snilay@cs.wisc.edu const String& var_name_, 11110448Snilay@cs.wisc.edu const std::map<String, String> &config, 11210448Snilay@cs.wisc.edu DSENT::Model *ms_model) const; 11310447Snilay@cs.wisc.edu 11410447Snilay@cs.wisc.edu protected: 11510447Snilay@cs.wisc.edu String m_reserved_chars_; 11610447Snilay@cs.wisc.edu Map<double> m_var_; 11710447Snilay@cs.wisc.edu 11810447Snilay@cs.wisc.edu Token m_curr_token_; 11910447Snilay@cs.wisc.edu double m_value_number_; 12010447Snilay@cs.wisc.edu String m_value_string_; 12110448Snilay@cs.wisc.edu }; 12210447Snilay@cs.wisc.edu} // namespace LibUtil 12310447Snilay@cs.wisc.edu 12410447Snilay@cs.wisc.edu#endif // __LIBUTIL_CALCULATOR_H__ 12510447Snilay@cs.wisc.edu 126