fparser

class FunctionParser

#include <fparser.hpp>

Public Types

enum ParseErrorType

Values:

enumerator SYNTAX_ERROR

enumerator MISM_PARENTH

enumerator MISSING_PARENTH

enumerator EMPTY_PARENTH

enumerator EXPECT_OPERATOR

enumerator OUT_OF_MEMORY

enumerator UNEXPECTED_ERROR

enumerator INVALID_VARS

enumerator ILL_PARAMS_AMOUNT

enumerator PREMATURE_EOS

enumerator EXPECT_PARENTH_FUNC

enumerator FP_NO_ERROR

typedef double (*FunctionPtr)(const double*)

Public Functions

int Parse(const std::string &Function, const std::string &Vars, bool useDegrees = false)

const char *ErrorMsg() const

inline ParseErrorType GetParseErrorType() const

double Eval(const double *Vars)

inline int EvalError() const

bool AddConstant(const std::string &name, double value)

bool AddFunction(const std::string &name, FunctionPtr, unsigned paramsAmount)

bool AddFunction(const std::string &name, FunctionParser&)

void Optimize()

FunctionParser()

~FunctionParser()

FunctionParser(const FunctionParser&)

FunctionParser &operator=(const FunctionParser&)

Private Functions

void copyOnWrite()

bool checkRecursiveLinking(const FunctionParser*) const

bool isValidName(const std::string&) const

inline Data::VarMap_t::const_iterator FindVariable(const char*, const Data::VarMap_t&) const

inline Data::ConstMap_t::const_iterator FindConstant(const char*) const

int CheckSyntax(const char*)

bool Compile(const char*)

bool IsVariable(int)

inline void AddCompiledByte(unsigned)

inline void AddImmediate(double)

inline void AddFunctionOpcode(unsigned)

inline void incStackPtr()

int CompileIf(const char*, int)

int CompileFunctionParams(const char*, int, unsigned)

int CompileElement(const char*, int)

int CompilePow(const char*, int)

int CompileUnaryMinus(const char*, int)

int CompileMult(const char*, int)

int CompileAddition(const char*, int)

int CompileComparison(const char*, int)

int CompileAnd(const char*, int)

int CompileOr(const char*, int)

int CompileExpression(const char*, int, bool = false)

void MakeTree(void*) const

Private Members

ParseErrorType parseErrorType

int evalErrorType

Data *data

unsigned evalRecursionLevel

unsigned StackPtr

std::vector<unsigned> *tempByteCode

std::vector<double> *tempImmed

struct Data

Public Types

typedef std::map<std::string, unsigned> VarMap_t

typedef std::map<std::string, double> ConstMap_t

Public Functions

Data()

~Data()

Data(const Data&)

Data &operator=(const Data&)

Public Members

unsigned referenceCounter

int varAmount

bool useDegreeConversion

VarMap_t Variables

ConstMap_t Constants

VarMap_t FuncPtrNames

std::vector<FuncPtrData> FuncPtrs

VarMap_t FuncParserNames

std::vector<FunctionParser*> FuncParsers

unsigned *ByteCode

unsigned ByteCodeSize

double *Immed

unsigned ImmedSize

double *Stack

unsigned StackSize

struct FuncPtrData

#include <fparser.hpp>

Public Functions

inline FuncPtrData(FunctionPtr p, unsigned par)

Public Members

FunctionPtr ptr

unsigned params