c1aecc05e6
This patch extensively modifies DSENT so that it can be accessed using Python. To access the Python interface, DSENT needs to compiled as a shared library. For this purpose a CMakeLists.txt file has been added. Some of the code that is not required is being removed.
125 lines
3.8 KiB
C++
125 lines
3.8 KiB
C++
/* Copyright (c) 2012 Massachusetts Institute of Technology
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef __LIBUTIL_CALCULATOR_H__
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#define __LIBUTIL_CALCULATOR_H__
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#include <sstream>
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#include "model/Model.h"
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#include "String.h"
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#include "Map.h"
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#include "Assert.h"
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namespace LibUtil
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{
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using std::istringstream;
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using std::ostringstream;
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/*
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* program:
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* END // END is end-of-input
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* expr_list END
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*
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* expr_list:
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* expression SEP expr_list // SEP is semicolon
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* expression
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* print expression
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* print STRING
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* print STRING expression
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* print STRING expression SEP expr_list
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*
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*
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* expression:
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* expression + term
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* expression - term
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* term
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*
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* term:
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* term / primary
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* term * primary
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* primary
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*
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* primary:
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* NUMBER
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* NAME
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* NAME = expression
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* NAME string expression // NAME is print
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* - primary
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* ( expression )
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*
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* string:
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*
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**/
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class Calculator
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{
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protected:
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enum Token
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{
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NAME, NAME2, NUMBER, STRING, END,
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PLUS = '+', MINUS = '-', MUL = '*', DIV = '/',
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SEP = ';', ASSIGN = '=', LP = '(', RP = ')'
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};
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public:
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Calculator();
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virtual ~Calculator();
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public:
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void reset();
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void evaluateString(const String& str_,
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const std::map<String, String> &config,
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DSENT::Model *ms_model,
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std::map<std::string, double> &outputs);
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protected:
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Token getToken(istringstream& ist_);
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double prim(istringstream& ist_, bool is_get_,
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const std::map<String, String> &config,
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DSENT::Model *ms_model);
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double term(istringstream& ist_, bool is_get_,
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const std::map<String, String> &config,
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DSENT::Model *ms_model);
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double expr(istringstream& ist_, bool is_get_,
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const std::map<String, String> &config,
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DSENT::Model *ms_model);
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virtual double getEnvVar(
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const String& var_name_,
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const std::map<String, String> &config,
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DSENT::Model *ms_model) const;
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protected:
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String m_reserved_chars_;
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Map<double> m_var_;
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Token m_curr_token_;
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double m_value_number_;
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String m_value_string_;
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};
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} // namespace LibUtil
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#endif // __LIBUTIL_CALCULATOR_H__
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