mirror of
https://github.com/fish-shell/fish-shell
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e2b798cda3
Add muparser soruces to style.fish, and run it to make muparser match fish style guidelines.
124 lines
5.2 KiB
C++
124 lines
5.2 KiB
C++
/*
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__________
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_____ __ __\______ \_____ _______ ______ ____ _______
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/ \ | | \| ___/\__ \ \_ __ \/ ___/_/ __ \\_ __ \
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| Y Y \| | /| | / __ \_| | \/\___ \ \ ___/ | | \/
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|__|_| /|____/ |____| (____ /|__| /____ > \___ >|__|
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\/ \/ \/ \/
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Copyright (C) 2004-2013 Ingo Berg
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Permission is hereby granted, free of charge, to any person obtaining a copy of this
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software and associated documentation files (the "Software"), to deal in the Software
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without restriction, including without limitation the rights to use, copy, modify,
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merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all copies or
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substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
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NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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DAMAGES OR OTHER 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 THE SOFTWARE.
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*/
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#ifndef MU_PARSER_INT_H
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#define MU_PARSER_INT_H
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#include <vector>
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#include "muParserBase.h"
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/** \file
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\brief Definition of a parser using integer value.
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*/
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namespace mu {
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/** \brief Mathematical expressions parser.
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This version of the parser handles only integer numbers. It disables the built in operators thus
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it is
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slower than muParser. Integer values are stored in the double value_type and converted if needed.
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*/
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class ParserInt : public ParserBase {
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private:
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static int Round(value_type v) { return (int)(v + ((v >= 0) ? 0.5 : -0.5)); };
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static value_type Abs(value_type);
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static value_type Sign(value_type);
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static value_type Ite(value_type, value_type, value_type);
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// !! The unary Minus is a MUST, otherwise you cant use negative signs !!
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static value_type UnaryMinus(value_type);
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// Functions with variable number of arguments
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static value_type Sum(const value_type* a_afArg, int a_iArgc); // sum
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static value_type Min(const value_type* a_afArg, int a_iArgc); // minimum
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static value_type Max(const value_type* a_afArg, int a_iArgc); // maximum
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// binary operator callbacks
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static value_type Add(value_type v1, value_type v2);
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static value_type Sub(value_type v1, value_type v2);
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static value_type Mul(value_type v1, value_type v2);
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static value_type Div(value_type v1, value_type v2);
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static value_type Mod(value_type v1, value_type v2);
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static value_type Pow(value_type v1, value_type v2);
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static value_type Shr(value_type v1, value_type v2);
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static value_type Shl(value_type v1, value_type v2);
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static value_type LogAnd(value_type v1, value_type v2);
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static value_type LogOr(value_type v1, value_type v2);
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static value_type And(value_type v1, value_type v2);
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static value_type Or(value_type v1, value_type v2);
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static value_type Xor(value_type v1, value_type v2);
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static value_type Less(value_type v1, value_type v2);
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static value_type Greater(value_type v1, value_type v2);
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static value_type LessEq(value_type v1, value_type v2);
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static value_type GreaterEq(value_type v1, value_type v2);
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static value_type Equal(value_type v1, value_type v2);
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static value_type NotEqual(value_type v1, value_type v2);
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static value_type Not(value_type v1);
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static int IsHexVal(const char_type* a_szExpr, int* a_iPos, value_type* a_iVal);
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static int IsBinVal(const char_type* a_szExpr, int* a_iPos, value_type* a_iVal);
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static int IsVal(const char_type* a_szExpr, int* a_iPos, value_type* a_iVal);
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/** \brief A facet class used to change decimal and thousands separator. */
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template <class TChar>
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class change_dec_sep : public std::numpunct<TChar> {
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public:
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explicit change_dec_sep(char_type cDecSep, char_type cThousandsSep = 0, int nGroup = 3)
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: std::numpunct<TChar>(),
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m_cDecPoint(cDecSep),
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m_cThousandsSep(cThousandsSep),
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m_nGroup(nGroup) {}
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protected:
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virtual char_type do_decimal_point() const { return m_cDecPoint; }
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virtual char_type do_thousands_sep() const { return m_cThousandsSep; }
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virtual std::string do_grouping() const {
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// fix for issue 4: https://code.google.com/p/muparser/issues/detail?id=4
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// courtesy of Jens Bartsch
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// original code:
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// return std::string(1, (char)m_nGroup);
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// new code:
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return std::string(1, (char)(m_cThousandsSep > 0 ? m_nGroup : CHAR_MAX));
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}
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private:
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int m_nGroup;
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char_type m_cDecPoint;
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char_type m_cThousandsSep;
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};
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public:
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ParserInt();
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virtual void InitFun();
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virtual void InitOprt();
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virtual void InitConst();
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virtual void InitCharSets();
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};
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} // namespace mu
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#endif
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