CharStreamState Class

When walking ahead with cyclic DFA or for syntactic predicates, we need to record the state of the input stream (char index, line, etc...) so that we can rewind the state after scanning ahead.

Inheritance Hierarchy

SystemObject
Stimulsoft.Data.Expressions.Antlr.RuntimeCharStreamState

Namespace: Stimulsoft.Data.Expressions.Antlr.Runtime
Assembly: Stimulsoft.Data (in Stimulsoft.Data.dll) Version: 2019.3.1.0

Syntax

ASP.NET

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[SerializableAttribute]
public class CharStreamState

<SerializableAttribute>
Public Class CharStreamState

The CharStreamState type exposes the following members.

Constructors

	Name	Description
	CharStreamState	Initializes a new instance of the CharStreamState class

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Methods

	Name	Description
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Serves as the default hash function. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Fields

	Name	Description
	charPositionInLine	What char position 0..n-1 in line is scanner before processing buffer[p]?
	line	What line number is the scanner at before processing buffer[p]?
	p	Index into the char stream of next lookahead char

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Remarks

This is the complete state of a stream.

Reference

Stimulsoft.Data.Expressions.Antlr.Runtime Namespace