com.ibm.lpex.cc
Class Token

java.lang.Object
  com.ibm.lpex.cc.Token

public class Token
extends Object

Describes the input token stream.

Field Summary

int	beginColumn ONE-based position of the first character of this token.
int	beginLine Start element of this token.
int	endColumn ONE-based position of the last character of this token.
int	endLine End element of this token.
String	image The string image of the token, if generated.
int	kind An integer that describes the kind of this token.
Token	next Reference to the next regular (non-special) token from the input stream.
Token	specialToken Reference to special tokens that occur prior to this token, but after the immediately preceding regular (non-special) token.

Constructor Summary

Token()

Method Summary

static Token	newToken(int ofKind) Returns a Token.
String	toString() Returns the image.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

kind

public int kind

An integer that describes the kind of this token. The numbering scheme is determined by the token-manager generator, and all token kinds are stored in the file ...Constants.java.

beginLine

public int beginLine

Start element of this token.

beginColumn

public int beginColumn

ONE-based position of the first character of this token.

endLine

public int endLine

End element of this token.

endColumn

public int endColumn

ONE-based position of the last character of this token.

image

public String image

The string image of the token, if generated.

next

public Token next

Reference to the next regular (non-special) token from the input stream.

The default implementation of method nextToken() in LPEX always returns the same static token, so this field is normally null.

specialToken

public Token specialToken

Reference to special tokens that occur prior to this token, but after the immediately preceding regular (non-special) token.

The implementation of this class in LPEX always returns the same static token, so this field is normally null.

Constructor Detail

Token

public Token()

Method Detail

toString

public final String toString()

Returns the image.

Overrides:

toString in class Object

newToken

public static final Token newToken(int ofKind)

Returns a Token. The implementation of this method in LPEX always returns one same static token (singleton).