| /* Copyright 2015. Los Alamos National Security, LLC. This material was produced |
| * under U.S. Government contract DE-AC52-06NA25396 for Los Alamos National |
| * Laboratory (LANL), which is operated by Los Alamos National Security, LLC |
| * for the U.S. Department of Energy. The U.S. Government has rights to use, |
| * reproduce, and distribute this software. NEITHER THE GOVERNMENT NOR LOS |
| * ALAMOS NATIONAL SECURITY, LLC MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR |
| * ASSUMES ANY LIABILITY FOR THE USE OF THIS SOFTWARE. If software is modified |
| * to produce derivative works, such modified software should be clearly marked, |
| * so as not to confuse it with the version available from LANL. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy |
| * of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed |
| * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR |
| * CONDITIONS OF ANY KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations under the License. |
| * |
| * Under this license, it is required to include a reference to this work. We |
| * request that each derivative work contain a reference to LANL Copyright |
| * Disclosure C15076/LA-CC-15-054 so that this work's impact can be roughly |
| * measured. |
| * |
| * This is LANL Copyright Disclosure C15076/LA-CC-15-054 |
| */ |
| |
| /* |
| * PowerParser is a general purpose input file parser for software applications. |
| * |
| * Authors: Chuck Wingate XCP-2 caw@lanl.gov |
| * Robert Robey XCP-2 brobey@lanl.gov |
| */ |
| |
| #ifndef FUNCTIONHHINCLUDE |
| #define FUNCTIONHHINCLUDE |
| |
| // *************************************************************************** |
| // *************************************************************************** |
| // This class holds information about a function. It is mostly for use with |
| // the parser. |
| // *************************************************************************** |
| // *************************************************************************** |
| |
| #include <string> |
| #include <sstream> |
| #include <vector> |
| #include <deque> |
| |
| namespace PP |
| { |
| using std::string; |
| using std::deque; |
| using std::stringstream; |
| using std::vector; |
| |
| enum FuncType {FUNC_}; |
| |
| //class ErrorState; |
| |
| class Function |
| { |
| |
| public: |
| Function(); |
| Function(string nme, bool ext, int na, string ftype, string fdes); |
| |
| // Evaluate the function. |
| double evaluate(vector<double> &vd, stringstream &serr, int &ierr, |
| int line_number, int file_line_number, |
| string filename, deque<string> *lines); |
| |
| string evaluate(vector<string> &vs, stringstream &serr, int &ierr, |
| int line_number, int file_line_number, |
| string filename, deque<string> *lines); |
| |
| // Accessor methods. |
| string get_name() { return name; } |
| int get_num_args() { return nargs; } |
| string get_description() { return description; } |
| string get_type() { return type; } |
| |
| private: |
| |
| void name_err(stringstream &serr, int &ierr, |
| int line_number, int file_line_number, |
| string filename, deque<string> *lines); |
| |
| void args_mismatch_err(int nargs_found, int nargs_expected, |
| stringstream &serr, int &ierr, |
| int line_number, int file_line_number, |
| string filename, deque<string> *lines); |
| |
| // The name of the function. |
| string name; |
| |
| // Whether the function is external or internal. External functions |
| // are C++ functions like sin(), log(), ... Internal functions |
| // are defined within the input to the parser (this feature is not |
| // implemented yet). |
| bool external; |
| |
| // The number of arguments for the function. |
| int nargs; |
| |
| // A text description of the function. |
| string description; |
| |
| // The type of function. Allowed types are: |
| // real double arguments, double result (cos, sin, log, ...) |
| // string string arguments, string results (strlen, strcat, ...) |
| string type; |
| }; |
| |
| |
| } // End of the PP namespace |
| |
| #endif |