mirror of https://gitlab.com/rnger/amath
74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
/*-
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* Copyright (c) 2014-2017 Carsten Sonne Larsen <cs@innolan.net>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Project homepage:
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* https://amath.innolan.net
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*
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*/
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#ifndef AMATH_USERFUNCTION_H
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#define AMATH_USERFUNCTION_H
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#include "nodes.h"
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#include "values.h"
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#include "functionlist.h"
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struct functiondef;
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class UserFunction;
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/**
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* @brief A user defined function.
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*
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*/
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class UserFunction
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{
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public:
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UserFunction(const char* name, const char* variable, ExpressionNode* expression);
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explicit UserFunction(const char* name);
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~UserFunction();
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UserFunction* Next;
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char* GetName() const;
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char* GetDefinitionName() const;
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char* GetDefinitionText() const;
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Variable* GetVariable() const;
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Variable* CreateVariable(const char* name);
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ExpressionNode* GetExpression() const;
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void SetExpression(ExpressionNode* expression);
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private:
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char* name;
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Variable* variable;
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ExpressionNode* expression;
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bool chainDelete;
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friend bool FunctionList::Delete(const char* name, const char* argument);
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void InitializeTexts() const;
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CharBuffer* defname;
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CharBuffer* definition;
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};
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#endif
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