jminusminus

Class TokenInfo

java.lang.Object

jminusminus.TokenInfo

 class TokenInfo
extends Object

A representation of tokens returned by the lexical analyzer method, getNextToken(). A token has a kind identifying what kind of token it is, an image for providing any semantic text, and the line in which it occurred in the source file.

Constructor Summary

Constructors

Constructor and Description
TokenInfo(TokenKind kind, int line) Construct a TokenInfo from its kind, and its line number.
TokenInfo(TokenKind kind, String image, int line) Construct a TokenInfo from its kind, the semantic text forming the token, and its line number.

Method Summary

Methods

Modifier and Type	Method and Description
String	image() Return the semantic text associated with the token.
TokenKind	kind() Return the token's kind.
int	line() Return the line number associated with the token.
String	tokenRep() Return the token's string representation.
String	toString() Return the token's image.

Methods inherited from class java.lang.Object

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

Constructor Detail

TokenInfo

public TokenInfo(TokenKind kind,
         String image,
         int line)

Construct a TokenInfo from its kind, the semantic text forming the token, and its line number.

Parameters:

kind - the token's kind.

image - the semantic text comprising the token.

line - the line in which the token occurs in the source file.

TokenInfo

public TokenInfo(TokenKind kind,
         int line)

Construct a TokenInfo from its kind, and its line number. Its image is simply its string representation.

Parameters:

kind - the token's identifying number.

line - identifying the line on which the token was found.

Method Detail

tokenRep

public String tokenRep()

Return the token's string representation.

Returns:

the string representation.

image

public String image()

Return the semantic text associated with the token.

Returns:

the semantic text.

line

public int line()

Return the line number associated with the token.

Returns:

the line number.

kind

public TokenKind kind()

Return the token's kind.

Returns:

the kind.

toString

public String toString()

Return the token's image.

Overrides:

toString in class Object

Returns:

the image.