2009-05-30 07:48:12 +02:00
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/*
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* Cppcheck - A tool for static C/C++ code analysis
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2016-01-01 14:34:45 +01:00
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* Copyright (C) 2007-2016 Cppcheck team.
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2009-06-02 22:32:58 +02:00
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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2009-09-27 17:08:31 +02:00
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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2009-06-02 22:32:58 +02:00
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*/
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2013-09-04 20:59:49 +02:00
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//---------------------------------------------------------------------------
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2009-06-02 22:32:58 +02:00
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#ifndef mathlibH
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#define mathlibH
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2013-09-04 20:59:49 +02:00
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//---------------------------------------------------------------------------
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2009-06-02 22:32:58 +02:00
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2010-07-24 22:12:56 +02:00
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#include <string>
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2010-08-06 22:37:48 +02:00
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#include <sstream>
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2012-06-10 14:19:09 +02:00
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#include "config.h"
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2009-06-02 22:32:58 +02:00
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2009-07-17 10:49:01 +02:00
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/// @addtogroup Core
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/// @{
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2010-03-13 21:49:09 +01:00
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/** @brief simple math functions that uses operands stored in std::string. useful when performing math on tokens. */
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2009-07-17 10:49:01 +02:00
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2012-06-10 14:19:09 +02:00
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class CPPCHECKLIB MathLib {
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2016-05-15 15:48:24 +02:00
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friend class TestMathLib;
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2009-06-02 22:32:58 +02:00
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public:
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2015-07-10 20:36:38 +02:00
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/** @brief value class */
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class value {
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private:
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long long intValue;
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double doubleValue;
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enum { INT, LONG, LONGLONG, FLOAT } type;
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bool isUnsigned;
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void promote(const value &v);
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public:
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2015-07-10 21:17:17 +02:00
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explicit value(const std::string &s);
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std::string str() const;
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bool isInt() const {
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return type != FLOAT;
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}
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bool isFloat() const {
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return type == FLOAT;
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}
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double getDoubleValue() const {
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return isFloat() ? doubleValue : (double)intValue;
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}
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static value calc(char op, const value &v1, const value &v2);
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int compare(const value &v) const;
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value add(int v) const;
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2016-03-21 21:20:02 +01:00
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value shiftLeft(const value &v) const;
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value shiftRight(const value &v) const;
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2015-07-10 20:36:38 +02:00
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};
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2010-11-20 10:05:33 +01:00
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typedef long long bigint;
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2014-04-10 19:22:14 +02:00
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typedef unsigned long long biguint;
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2010-11-20 10:05:33 +01:00
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2014-04-14 20:30:38 +02:00
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static bigint toLongNumber(const std::string & str);
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static biguint toULongNumber(const std::string & str);
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2014-04-11 23:35:53 +02:00
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2014-11-20 14:20:09 +01:00
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template<class T> static std::string toString(T value) {
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2013-09-21 18:48:48 +02:00
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std::ostringstream result;
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result << value;
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return result.str();
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}
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2009-06-02 22:32:58 +02:00
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static double toDoubleNumber(const std::string & str);
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static bool isInt(const std::string & str);
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2010-04-02 07:32:03 +02:00
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static bool isFloat(const std::string &str);
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2015-07-26 19:21:53 +02:00
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static bool isDecimalFloat(const std::string &str);
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2010-04-02 07:32:03 +02:00
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static bool isNegative(const std::string &str);
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2013-09-29 15:11:09 +02:00
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static bool isPositive(const std::string &str);
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2014-04-11 22:15:25 +02:00
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static bool isDec(const std::string & str);
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2015-07-26 08:06:56 +02:00
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static bool isFloatHex(const std::string& str);
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static bool isIntHex(const std::string& str);
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2012-02-17 19:54:53 +01:00
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static bool isOct(const std::string& str);
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2012-09-10 21:13:32 +02:00
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static bool isBin(const std::string& str);
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2009-06-02 22:32:58 +02:00
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2017-05-05 14:47:58 +02:00
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static std::string getSuffix(const std::string& value);
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static bool isValidIntegerSuffix(const std::string& str);
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2015-07-26 08:06:56 +02:00
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static bool isValidIntegerSuffix(std::string::const_iterator it, std::string::const_iterator end);
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2014-03-14 11:46:41 +01:00
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2009-06-02 22:32:58 +02:00
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static std::string add(const std::string & first, const std::string & second);
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static std::string subtract(const std::string & first, const std::string & second);
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static std::string multiply(const std::string & first, const std::string & second);
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static std::string divide(const std::string & first, const std::string & second);
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2012-04-12 14:02:09 +02:00
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static std::string mod(const std::string & first, const std::string & second);
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2014-05-29 18:25:01 +02:00
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static std::string incdec(const std::string & var, const std::string & op);
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2012-01-08 21:19:44 +01:00
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static std::string calculate(const std::string & first, const std::string & second, char action);
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2009-08-02 14:22:39 +02:00
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2009-06-02 22:32:58 +02:00
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static std::string sin(const std::string & tok);
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static std::string cos(const std::string & tok);
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static std::string tan(const std::string & tok);
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static std::string abs(const std::string & tok);
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2011-07-17 05:05:35 +02:00
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static bool isEqual(const std::string & first, const std::string & second);
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static bool isNotEqual(const std::string & first, const std::string & second);
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2009-06-02 22:32:58 +02:00
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static bool isGreater(const std::string & first, const std::string & second);
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2011-07-17 05:05:35 +02:00
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static bool isGreaterEqual(const std::string & first, const std::string & second);
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static bool isLess(const std::string & first, const std::string & second);
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static bool isLessEqual(const std::string & first, const std::string & second);
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lib: fix a bunch of warnings about differing function arguments in definition and declaration.
[lib/token.h:72] -> [lib/token.cpp:36]: (style, inconclusive) Function 'Token' argument 1 names different: declaration 'tokensBack' definition 't'.
[lib/token.h:445] -> [lib/token.cpp:497]: (style, inconclusive) Function 'multiCompare' argument 1 names different: declaration 'needle' definition 'tok'.
[lib/checkio.h:73] -> [lib/checkio.cpp:1385]: (style, inconclusive) Function 'ArgumentInfo' argument 3 names different: declaration 'isCPP' definition '_isCPP'.
[lib/checkother.h:216] -> [lib/checkother.cpp:2136]: (style, inconclusive) Function 'checkComparisonFunctionIsAlwaysTrueOrFalseError' argument 2 names different: declaration 'strFunctionName' definition 'functionName'.
[lib/errorlogger.h:214] -> [lib/errorlogger.cpp:51]: (style, inconclusive) Function 'ErrorMessage' argument 2 names different: declaration 'file0' definition 'file0_'.
[lib/errorlogger.h:215] -> [lib/errorlogger.cpp:65]: (style, inconclusive) Function 'ErrorMessage' argument 2 names different: declaration 'file0' definition 'file0_'.
[lib/library.h:327] -> [lib/library.cpp:1043]: (style, inconclusive) Function 'ignorefunction' argument 1 names different: declaration 'function' definition 'functionName'.
[lib/mathlib.h:112] -> [lib/mathlib.cpp:1275]: (style, inconclusive) Function 'isNullValue' argument 1 names different: declaration 'tok' definition 'str'.
[lib/preprocessor.h:91] -> [lib/preprocessor.cpp:122]: (style, inconclusive) Function 'setDirectives' argument 1 names different: declaration 'tokens' definition 'tokens1'.
[lib/symboldatabase.h:860] -> [lib/symboldatabase.cpp:1801]: (style, inconclusive) Function 'argsMatch' argument 1 names different: declaration 'info' definition 'scope'.
[lib/symboldatabase.h:1171] -> [lib/symboldatabase.cpp:2048]: (style, inconclusive) Function 'addClassFunction' argument 1 names different: declaration 'info' definition 'scope'.
[lib/symboldatabase.h:1174] -> [lib/symboldatabase.cpp:2208]: (style, inconclusive) Function 'addNewFunction' argument 1 names different: declaration 'info' definition 'scope'.
[lib/symboldatabase.h:1090] -> [lib/symboldatabase.cpp:3648]: (style, inconclusive) Function 'findVariableType' argument 2 names different: declaration 'type' definition 'typeTok'.
[lib/symboldatabase.h:1101] -> [lib/symboldatabase.cpp:4308]: (style, inconclusive) Function 'findType' argument 1 names different: declaration 'tok' definition 'startTok'.
[lib/symboldatabase.h:1176] -> [lib/symboldatabase.cpp:4349]: (style, inconclusive) Function 'findTypeInNested' argument 1 names different: declaration 'tok' definition 'startTok'.
[lib/symboldatabase.h:1193] -> [lib/symboldatabase.cpp:4501]: (style, inconclusive) Function 'setValueType' argument 2 names different: declaration 'enumerators' definition 'enumerator'.
[lib/path.h:159] -> [lib/path.cpp:247]: (style, inconclusive) Function 'isCPP' argument 1 names different: declaration 'extensionInLowerCase' definition 'path'.
[lib/path.h:145] -> [lib/path.cpp:266]: (style, inconclusive) Function 'acceptFile' argument 1 names different: declaration 'filename' definition 'path'.
2017-04-03 00:06:46 +02:00
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static bool isNullValue(const std::string & str);
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2009-09-27 16:04:10 +02:00
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/**
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* Return true if given character is 0,1,2,3,4,5,6 or 7.
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2016-10-11 13:51:46 +02:00
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* @param[in] c The character to check
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2009-09-27 16:04:10 +02:00
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* @return true if given character is octal digit.
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*/
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static bool isOctalDigit(char c);
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2016-10-11 13:51:46 +02:00
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/**
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* \param[in] str character literal
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2016-02-19 21:40:31 +01:00
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* @return Number of internal representation of the character literal
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* */
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2015-11-21 22:35:58 +01:00
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static MathLib::bigint characterLiteralToLongNumber(const std::string& str);
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2016-06-04 22:55:55 +02:00
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/**
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2016-10-11 13:51:46 +02:00
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* \param[in] iCode Code being considered
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* \param[in] iPos A posision within iCode
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2016-06-04 22:55:55 +02:00
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* \return Whether iCode[iPos] is a C++14 digit separator
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*/
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static bool isDigitSeparator(const std::string& iCode, std::string::size_type iPos);
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2016-05-15 15:48:24 +02:00
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private:
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/*
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* \param iLiteral A character literal
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* \return The equivalent character literal with all escapes interpreted
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*/
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static std::string normalizeCharacterLiteral(const std::string& iLiteral);
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2009-06-02 22:32:58 +02:00
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};
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2015-07-10 20:36:38 +02:00
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MathLib::value operator+(const MathLib::value &v1, const MathLib::value &v2);
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MathLib::value operator-(const MathLib::value &v1, const MathLib::value &v2);
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MathLib::value operator*(const MathLib::value &v1, const MathLib::value &v2);
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MathLib::value operator/(const MathLib::value &v1, const MathLib::value &v2);
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MathLib::value operator%(const MathLib::value &v1, const MathLib::value &v2);
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MathLib::value operator&(const MathLib::value &v1, const MathLib::value &v2);
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MathLib::value operator|(const MathLib::value &v1, const MathLib::value &v2);
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MathLib::value operator^(const MathLib::value &v1, const MathLib::value &v2);
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2016-03-21 21:20:02 +01:00
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MathLib::value operator<<(const MathLib::value &v1, const MathLib::value &v2);
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MathLib::value operator>>(const MathLib::value &v1, const MathLib::value &v2);
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2015-07-10 20:36:38 +02:00
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2013-10-01 20:40:55 +02:00
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template<> CPPCHECKLIB std::string MathLib::toString(double value); // Declare specialization to avoid linker problems
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2009-07-17 10:49:01 +02:00
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/// @}
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2013-09-04 20:59:49 +02:00
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//---------------------------------------------------------------------------
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#endif // mathlibH
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