org.eclipse.xtext.parser.antlr

Class TokenTool

java.lang.Object

org.eclipse.xtext.parser.antlr.TokenTool

public class TokenTool
extends Object

Author:

Sven Efftinge - Initial contribution and API

Field Summary

Fields

Modifier and Type	Field and Description
static String	LEXER_RULE_PREFIX

Constructor Summary

Constructors

Constructor and Description
TokenTool()

Method Summary

Methods

Modifier and Type	Method and Description
static int	getLength(org.antlr.runtime.Token t)
static String	getLexerRuleName(String antlrTokenDef)
static int	getLine(org.antlr.runtime.Token t)
static int	getOffset(org.antlr.runtime.Token t)
static String	getText(org.antlr.runtime.Token t)
static boolean	isLexerRule(String antlrTokenDef)

Methods inherited from class java.lang.Object

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

Field Detail

LEXER_RULE_PREFIX

public static final String LEXER_RULE_PREFIX

See Also:

Constant Field Values

Constructor Detail

TokenTool

public TokenTool()

Method Detail

getText

public static String getText(org.antlr.runtime.Token t)

Parameters:

t - the token

Returns:

the parsed text or null if the Token t was null or the token's text was null.

getLine

public static int getLine(org.antlr.runtime.Token t)

Parameters:

t - the token

Returns:

the line of the token or -1 if the Token t was null or the token did not provide line information.

getOffset

public static int getOffset(org.antlr.runtime.Token t)

Parameters:

t - the token

Returns:

the offset of the token or -1 if the Token t was null or the token did not provide offset information.

getLength

public static int getLength(org.antlr.runtime.Token t)

Parameters:

t - the token

Returns:

the length of the token or 0 if the Token t was null or the token did not provide line information.

isLexerRule

public static boolean isLexerRule(String antlrTokenDef)

getLexerRuleName

public static String getLexerRuleName(String antlrTokenDef)