C# Класс ComponentFactory.Quicksilver.Binding.Arithmetic

Accept and evaluate simple arithmetic expressions.

Top down predictive parser using an LL(1) BNF expression ::= term expression2 expression2 ::= '+' term expression2 | '-' term expression2 | {empty} term ::= factor term2 term2 ::= '*' factor term2 | '/' factor term2 | {empty} factor ::= '+' factor | '-' factor | primary primary ::= integer-literal | real-literal '(' expression ')'

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Private Properties

Свойство	Тип	Описание

Открытые методы

Метод	Описание
Arithmetic ( ) : System	Initialize a new instance of the Arithmetic class.
Arithmetic ( System.Language language ) : System	Initialize a new instance of the Arithmetic class.
Arithmetic ( string input ) : System	Initialize a new instance of the Arithmetic class.
Arithmetic ( string input, System.Language language ) : System	Initialize a new instance of the Arithmetic class.
Evaluate ( ) : EvalResult	Evaluate and return result.
Evaluate ( object thisObject ) : EvalResult	Evaluate and return result.
Parse ( string input ) : void	Parse the provided input string.
ToString ( ) : string	Human readable version of the parsed input.

Защищенные методы

Метод	Описание
ParseExpression ( ) : EvalNode	Parse the 'expression' rule. expression ::= term expression2
ParseExpression2 ( ) : EvalNode	Parse the 'expression2' rule. expression2 ::= '+' term expression2 \| '-' term expression2 \| {empty}
ParseFactor ( ) : EvalNode	Parse the 'factor' rule. factor ::= '+' factor \| '-' factor \| primary
ParsePrimary ( ) : EvalNode	Parse the 'primary' rule. primary ::= integer-literal \| real-literal '(' expression ')'
ParseTerm ( ) : EvalNode	Parse the 'term' rule. term ::= factor term2
ParseTerm2 ( ) : EvalNode	Process the term2 rule. term2 ::= '*' factor term2 \| '/' factor term2 \| {empty}

Описание методов

Arithmetic() публичный Метод

Initialize a new instance of the Arithmetic class.

public Arithmetic ( ) : System
Результат	System

Arithmetic() публичный Метод

Initialize a new instance of the Arithmetic class.

public Arithmetic ( System.Language language ) : System
language	System.Language	Language used for parsing.
Результат	System

Arithmetic() публичный Метод

Initialize a new instance of the Arithmetic class.

public Arithmetic ( string input ) : System
input	string	Input string to parse.
Результат	System

Arithmetic() публичный Метод

Initialize a new instance of the Arithmetic class.

public Arithmetic ( string input, System.Language language ) : System
input	string	Input string to parse.
language	System.Language	Language used for parsing.
Результат	System

Evaluate() публичный Метод

Evaluate and return result.

public Evaluate ( ) : EvalResult
Результат	EvalResult

Evaluate() публичный Метод

Evaluate and return result.

public Evaluate ( object thisObject ) : EvalResult
thisObject	object	Reference to object that is exposed as 'this'.
Результат	EvalResult

Parse() публичный Метод

Parse the provided input string.

public Parse ( string input ) : void
input	string	Input text.
Результат	void

ParseExpression() защищенный Метод

Parse the 'expression' rule.

expression ::= term expression2

protected ParseExpression ( ) : EvalNode
Результат	EvalNode

ParseExpression2() защищенный Метод

Parse the 'expression2' rule.

expression2 ::= '+' term expression2 | '-' term expression2 | {empty}

protected ParseExpression2 ( ) : EvalNode
Результат	EvalNode

ParseFactor() защищенный Метод

Parse the 'factor' rule.

factor ::= '+' factor | '-' factor | primary

protected ParseFactor ( ) : EvalNode
Результат	EvalNode

ParsePrimary() защищенный Метод

Parse the 'primary' rule.

primary ::= integer-literal | real-literal '(' expression ')'

protected ParsePrimary ( ) : EvalNode
Результат	EvalNode

ParseTerm() защищенный Метод

Parse the 'term' rule.

term ::= factor term2

protected ParseTerm ( ) : EvalNode
Результат	EvalNode

ParseTerm2() защищенный Метод

Process the term2 rule.

term2 ::= '*' factor term2 | '/' factor term2 | {empty}

protected ParseTerm2 ( ) : EvalNode
Результат	EvalNode

ToString() публичный Метод

Human readable version of the parsed input.

public ToString ( ) : string
Результат	string