java.lang.Object
- com.google.javascript.rhino.Token

```
public class Token
extends java.lang.Object
```
This class implements the JavaScript scanner. It is based on the C source files jsscan.c and jsscan.h in the jsref package.

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`ADD`	Token types.
`static int`	`AND`	Token types.
`static int`	`ANNOTATION`	Token types.
`static int`	`ARRAYLIT`	Token types.
`static int`	`ASSIGN`	Token types.
`static int`	`ASSIGN_ADD`	Token types.
`static int`	`ASSIGN_BITAND`	Token types.
`static int`	`ASSIGN_BITOR`	Token types.
`static int`	`ASSIGN_BITXOR`	Token types.
`static int`	`ASSIGN_DIV`	Token types.
`static int`	`ASSIGN_LSH`	Token types.
`static int`	`ASSIGN_MOD`	Token types.
`static int`	`ASSIGN_MUL`	Token types.
`static int`	`ASSIGN_RSH`	Token types.
`static int`	`ASSIGN_SUB`	Token types.
`static int`	`ASSIGN_URSH`	Token types.
`static int`	`BANG`	Token types.
`static int`	`BITAND`	Token types.
`static int`	`BITNOT`	Token types.
`static int`	`BITOR`	Token types.
`static int`	`BITXOR`	Token types.
`static int`	`BLOCK`	Token types.
`static int`	`BREAK`	Token types.
`static int`	`CALL`	Token types.
`static int`	`CASE`	Token types.
`static int`	`CAST`	Token types.
`static int`	`CATCH`	Token types.
`static int`	`COLON`	Token types.
`static int`	`COMMA`	Token types.
`static int`	`CONST`	Token types.
`static int`	`CONTINUE`	Token types.
`static int`	`DEBUGGER`	Token types.
`static int`	`DEC`	Token types.
`static int`	`DEFAULT`
`static int`	`DEFAULT_CASE`	Token types.
`static int`	`DELPROP`	Token types.
`static int`	`DIV`	Token types.
`static int`	`DO`	Token types.
`static int`	`ELLIPSIS`	Token types.
`static int`	`EMPTY`	Token types.
`static int`	`EOC`	Token types.
`static int`	`EQ`	Token types.
`static int`	`EQUALS`	Token types.
`static int`	`ERROR`	Token types.
`static int`	`EXPR_RESULT`	Token types.
`static int`	`FALSE`	Token types.
`static int`	`FOR`	Token types.
`static int`	`FUNCTION`	Token types.
`static int`	`GE`	Token types.
`static int`	`GET`
`static int`	`GETELEM`	Token types.
`static int`	`GETPROP`	Token types.
`static int`	`GETTER_DEF`	Token types.
`static int`	`GT`	Token types.
`static int`	`HOOK`	Token types.
`static int`	`IF`	Token types.
`static int`	`IN`	Token types.
`static int`	`INC`	Token types.
`static int`	`INSTANCEOF`	Token types.
`static int`	`LABEL`	Token types.
`static int`	`LABEL_NAME`	Token types.
`static int`	`LB`	Token types.
`static int`	`LC`	Token types.
`static int`	`LE`	Token types.
`static int`	`LP`
`static int`	`LSH`	Token types.
`static int`	`LT`	Token types.
`static int`	`MOD`	Token types.
`static int`	`MUL`	Token types.
`static int`	`NAME`	Token types.
`static int`	`NE`	Token types.
`static int`	`NEG`	Token types.
`static int`	`NEW`	Token types.
`static int`	`NOT`	Token types.
`static int`	`NULL`	Token types.
`static int`	`NUMBER`	Token types.
`static int`	`OBJECTLIT`	Token types.
`static int`	`OR`	Token types.
`static int`	`PARAM_LIST`	Token types.
`static int`	`PIPE`	Token types.
`static int`	`POS`	Token types.
`static int`	`QMARK`	Token types.
`static int`	`REGEXP`	Token types.
`static int`	`RETURN`	Token types.
`static int`	`RSH`	Token types.
`static int`	`SCRIPT`	Token types.
`static int`	`SET`
`static int`	`SETTER_DEF`	Token types.
`static int`	`SHEQ`	Token types.
`static int`	`SHNE`	Token types.
`static int`	`STAR`	Token types.
`static int`	`STRING`	Token types.
`static int`	`STRING_KEY`	Token types.
`static int`	`SUB`	Token types.
`static int`	`SWITCH`	Token types.
`static int`	`THIS`	Token types.
`static int`	`THROW`	Token types.
`static int`	`TRUE`	Token types.
`static int`	`TRY`	Token types.
`static int`	`TYPEOF`	Token types.
`static int`	`URSH`	Token types.
`static int`	`VAR`	Token types.
`static int`	`VOID`	Token types.
`static int`	`WHILE`	Token types.
`static int`	`WITH`	Token types.

Constructor Summary

Constructors
Constructor Description

Token()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type Method Description

static java.lang.String name(int token)
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - ERROR
```
public static final int ERROR
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - RETURN
```
public static final int RETURN
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - BITOR
```
public static final int BITOR
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - BITXOR
```
public static final int BITXOR
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - BITAND
```
public static final int BITAND
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - EQ
```
public static final int EQ
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - NE
```
public static final int NE
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - LT
```
public static final int LT
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - LE
```
public static final int LE
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - GT
```
public static final int GT
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - GE
```
public static final int GE
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - LSH
```
public static final int LSH
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - RSH
```
public static final int RSH
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - URSH
```
public static final int URSH
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - ADD
```
public static final int ADD
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - SUB
```
public static final int SUB
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - MUL
```
public static final int MUL
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - DIV
```
public static final int DIV
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - MOD
```
public static final int MOD
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - NOT
```
public static final int NOT
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - BITNOT
```
public static final int BITNOT
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - POS
```
public static final int POS
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - NEG
```
public static final int NEG
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - NEW
```
public static final int NEW
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - DELPROP
```
public static final int DELPROP
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - TYPEOF
```
public static final int TYPEOF
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - GETPROP
```
public static final int GETPROP
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - GETELEM
```
public static final int GETELEM
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - CALL
```
public static final int CALL
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - NAME
```
public static final int NAME
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - NUMBER
```
public static final int NUMBER
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - STRING
```
public static final int STRING
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - NULL
```
public static final int NULL
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - THIS
```
public static final int THIS
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - FALSE
```
public static final int FALSE
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - TRUE
```
public static final int TRUE
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - SHEQ
```
public static final int SHEQ
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - SHNE
```
public static final int SHNE
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - REGEXP
```
public static final int REGEXP
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - THROW
```
public static final int THROW
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - IN
```
public static final int IN
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - INSTANCEOF
```
public static final int INSTANCEOF
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - ARRAYLIT
```
public static final int ARRAYLIT
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - OBJECTLIT
```
public static final int OBJECTLIT
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - TRY
```
public static final int TRY
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - PARAM_LIST
```
public static final int PARAM_LIST
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - COMMA
```
public static final int COMMA
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - ASSIGN
```
public static final int ASSIGN
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - ASSIGN_BITOR
```
public static final int ASSIGN_BITOR
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - ASSIGN_BITXOR
```
public static final int ASSIGN_BITXOR
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - ASSIGN_BITAND
```
public static final int ASSIGN_BITAND
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - ASSIGN_LSH
```
public static final int ASSIGN_LSH
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - ASSIGN_RSH
```
public static final int ASSIGN_RSH
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - ASSIGN_URSH
```
public static final int ASSIGN_URSH
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - ASSIGN_ADD
```
public static final int ASSIGN_ADD
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - ASSIGN_SUB
```
public static final int ASSIGN_SUB
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - ASSIGN_MUL
```
public static final int ASSIGN_MUL
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - ASSIGN_DIV
```
public static final int ASSIGN_DIV
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - ASSIGN_MOD
```
public static final int ASSIGN_MOD
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - HOOK
```
public static final int HOOK
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - OR
```
public static final int OR
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - AND
```
public static final int AND
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - INC
```
public static final int INC
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - DEC
```
public static final int DEC
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - FUNCTION
```
public static final int FUNCTION
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - IF
```
public static final int IF
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - SWITCH
```
public static final int SWITCH
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - CASE
```
public static final int CASE
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - DEFAULT_CASE
```
public static final int DEFAULT_CASE
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - WHILE
```
public static final int WHILE
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - DO
```
public static final int DO
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - FOR
```
public static final int FOR
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - BREAK
```
public static final int BREAK
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - CONTINUE
```
public static final int CONTINUE
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - VAR
```
public static final int VAR
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - WITH
```
public static final int WITH
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - CATCH
```
public static final int CATCH
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - VOID
```
public static final int VOID
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - EMPTY
```
public static final int EMPTY
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - BLOCK
```
public static final int BLOCK
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - LABEL
```
public static final int LABEL
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - EXPR_RESULT
```
public static final int EXPR_RESULT
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - SCRIPT
```
public static final int SCRIPT
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - GETTER_DEF
```
public static final int GETTER_DEF
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - SETTER_DEF
```
public static final int SETTER_DEF
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - CONST
```
public static final int CONST
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - DEBUGGER
```
public static final int DEBUGGER
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - LABEL_NAME
```
public static final int LABEL_NAME
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - STRING_KEY
```
public static final int STRING_KEY
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - CAST
```
public static final int CAST
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - ANNOTATION
```
public static final int ANNOTATION
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - PIPE
```
public static final int PIPE
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - STAR
```
public static final int STAR
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - EOC
```
public static final int EOC
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - QMARK
```
public static final int QMARK
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - ELLIPSIS
```
public static final int ELLIPSIS
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - BANG
```
public static final int BANG
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - EQUALS
```
public static final int EQUALS
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - LB
```
public static final int LB
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - LC
```
public static final int LC
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - COLON
```
public static final int COLON
```
    Token types. These values correspond to JSTokenType values in jsscan.c.
    
    See Also:
    
    Constant Field Values
  - DEFAULT
```
public static final int DEFAULT
```
    See Also:
    
    Constant Field Values
  - GET
```
public static final int GET
```
    See Also:
    
    Constant Field Values
  - LP
```
public static final int LP
```
    See Also:
    
    Constant Field Values
  - SET
```
public static final int SET
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - Token
```
public Token()
```
- Method Detail
  - name
```
public static java.lang.String name(int token)
```

Class Token

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

ERROR

RETURN

BITOR

BITXOR

BITAND

EQ

NE

LT

LE

GT

GE

LSH

RSH

URSH

ADD

SUB

MUL

DIV

MOD

NOT

BITNOT

POS

NEG

NEW

DELPROP

TYPEOF

GETPROP

GETELEM

CALL

NAME

NUMBER

STRING

NULL

THIS

FALSE

TRUE

SHEQ

SHNE

REGEXP

THROW

IN

INSTANCEOF

ARRAYLIT

OBJECTLIT

TRY

PARAM_LIST

COMMA

ASSIGN

ASSIGN_BITOR

ASSIGN_BITXOR

ASSIGN_BITAND

ASSIGN_LSH

ASSIGN_RSH

ASSIGN_URSH

ASSIGN_ADD

ASSIGN_SUB

ASSIGN_MUL

ASSIGN_DIV

ASSIGN_MOD

HOOK

OR

AND

INC

DEC

FUNCTION

IF

SWITCH

CASE

DEFAULT_CASE

WHILE

DO

FOR

BREAK

CONTINUE