## net.sf.saxon.expr
Class Token

    java.lang.Object
      |
      +--net.sf.saxon.expr.Token

public abstract class Token
extends java.lang.Object

This class holds static constants and methods defining the lexical tokens used in XPath and XQuery, and associated keywords.

Field Summary
`static int` `AND` Operator "and"
`static int` `ASSIGN` ":=" symbol (XQuery only)
`static int` `AT` At token, "@"
`static int` `ATTRIBUTE_QNAME` composite token <'attribute' QNAME> (XQuery only)
`static int` `AXIS` Token representing the name of an axis and the following "::" symbol
`static int` `CASE` Keyword "case"
`static int` `CAST_AS` operator "cast as"
`static int` `CASTABLE_AS` operator "castable as"
`static int` `COLONCOLON` "::" symbol
`static int` `COLONSTAR` ":*" symbol
`static int` `COMMA` Comma token
`static int` `DECLARE_BASEURI` "declare base-uri"
`static int` `DECLARE_CONSTRUCTION` "declare construction"
`static int` `DECLARE_DEFAULT` "declare default"
`static int` `DECLARE_FUNCTION` "define function"
`static int` `DECLARE_NAMESPACE` "declare namespace"
`static int` `DECLARE_ORDERING` "declare xmlspace"
`static int` `DECLARE_VARIABLE` "define variable"
`static int` `DECLARE_XMLSPACE` "declare xmlspace"
`static int` `DEFAULT` Keyword "default"
`static int` `DIV` Operator "div"
`static int` `DOLLAR` "$" symbol
`static int` `DOT` "." symbol
`static int` `DOTDOT` ".." symbol
`static java.util.HashMap` `doubleKeywords` Lookup table for composite (two-keyword) tokens
`static int` `ELEMENT_QNAME` composite token <'element' QNAME> (XQuery only)
`static int` `ELSE` Keyword "else"
`static int` `EOF` Pseudo-token representing the end of the expression
`static int` `EQUALS` Equals token ("=")
`static int` `EVERY` Keyword "every"
`static int` `EXCEPT` Operator "except"
`static int` `FEQ` operator "eq"
`static int` `FGE` operator "ge"
`static int` `FGT` operator "gt"
`static int` `FLE` opeartor "le"
`static int` `FLT` operator "lt"
`static int` `FNE` operator "ne"
`static int` `FOLLOWS` Operator ">>"
`static int` `FOR` "for" keyword
`static int` `FUNCTION` Token representing the name of a function and the following "(" symbol
`static int` `GE` Operator ">="
`static int` `GT` Operator ">"
`static int` `IDIV` operator "idiv"
`static int` `IF` Keyword "if"
`static int` `IMPORT_MODULE` "import module"
`static int` `IMPORT_SCHEMA` "import schema"
`static int` `IN` Keyword "in"
`static int` `INSTANCE_OF` operator "instance of"
`static int` `INTERSECT` Operator "intersect"
`static int` `IS` Operator "is"
`static int` `KEYWORD_CURLY` composite token: <keyword "{"> (XQuery only)
`static int` `LCURLY` "{" symbol (XQuery only)
`static int` `LE` Operator "<="
`static int` `LET` "let" keyword (XQuery only)
`static int` `LPAR` Left parenthesis
`static int` `LSQB` Left square bracket
`static int` `LT` Operator "<"
`static int` `MINUS` Binary minus operator
`static int` `MOD` Operator "mod"
`static int` `MODULE_NAMESPACE` "module namespace"
`static int` `MULT` Multiply operator, "*" when used in an operator context
`static int` `NAME` Name token (a QName, in general)
`static int` `NE` Operator "!="
`static int` `NEGATE` Unary minus sign
`static int` `NODEKIND` Node kind, e.g.
`static int` `NUMBER` Numeric literal
`static int` `OR` Operator "or"
`static int` `PI_QNAME` composite token <'pi' QNAME> (XQuery only)
`static int` `PLUS` Operator "+"
`static int` `PRECEDES` Operator "<<"
`static int` `PREFIX` "prefix:*" token
`static int` `QMARK` "?" symbol
`static int` `RCURLY` "}" symbol (XQuery only)
`static int` `RETURN` Keyword "return"
`static int` `RPAR` Right parenthesis
`static int` `RSQB` Right square bracket
`static int` `SATISFIES` Keyword "satisfies"
`static int` `SEMICOLON` semicolon separator
`static int` `SLASH` Forwards "/"
`static int` `SLSL` Double forwards slash, "//"
`static int` `SOME` Keyword "some"
`static int` `STAR` "*" symbol when used as a wildcard
`static int` `STRING_LITERAL` String literal
`static int` `SUFFIX` "*:local-name" token
`static int` `TAG` "<" at the start of a tag (XQuery only).
`static int` `THEN` Ketword "then"
`static int` `TO` Operator "to"
`static java.lang.String[]` `tokens` The following strings are used to represent tokens in error messages
`static int` `TREAT_AS` operator "treat as"
`static int` `TYPESWITCH` Keyword "typeswitch"
`static int` `TYPETEST` "type("
`static int` `UNION` "union" or "|" token
`static int` `UNKNOWN` Pseudo-token representing the start of the expression
`static int` `VALIDATE` Various compound symbols supporting XQuery validation expression
`static int` `VALIDATE_LAX`
`static int` `VALIDATE_STRICT`
`static int` `WHERE` Keyword "where"
`static int` `XQUERY_VERSION` "xquery version"

Constructor Summary
`Token()`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### EOF

    public static final int EOF

  Pseudo-token representing the end of the expression

  See Also:
    Constant Field Values

### UNION

    public static final int UNION

  "union" or "|" token

  See Also:
    Constant Field Values

### SLASH

    public static final int SLASH

  Forwards "/"

  See Also:
    Constant Field Values

### AT

    public static final int AT

  At token, "@"

  See Also:
    Constant Field Values

### LSQB

    public static final int LSQB

  Left square bracket

  See Also:
    Constant Field Values

### LPAR

    public static final int LPAR

  Left parenthesis

  See Also:
    Constant Field Values

### EQUALS

    public static final int EQUALS

  Equals token ("=")

  See Also:
    Constant Field Values

### COMMA

    public static final int COMMA

  Comma token

  See Also:
    Constant Field Values

### SLSL

    public static final int SLSL

  Double forwards slash, "//"

  See Also:
    Constant Field Values

### OR

    public static final int OR

  Operator "or"

  See Also:
    Constant Field Values

### AND

    public static final int AND

  Operator "and"

  See Also:
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### GT

    public static final int GT

  Operator ">"

  See Also:
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### LT

    public static final int LT

  Operator "<"

  See Also:
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### GE

    public static final int GE

  Operator ">="

  See Also:
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### LE

    public static final int LE

  Operator "<="

  See Also:
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### PLUS

    public static final int PLUS

  Operator "+"

  See Also:
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### MINUS

    public static final int MINUS

  Binary minus operator

  See Also:
    Constant Field Values

### MULT

    public static final int MULT

  Multiply operator, "*" when used in an operator context

  See Also:
    Constant Field Values

### DIV

    public static final int DIV

  Operator "div"

  See Also:
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### MOD

    public static final int MOD

  Operator "mod"

  See Also:
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### IS

    public static final int IS

  Operator "is"

  See Also:
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### DOLLAR

    public static final int DOLLAR

  "$" symbol

  See Also:
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### NE

    public static final int NE

  Operator "!="

  See Also:
    Constant Field Values

### INTERSECT

    public static final int INTERSECT

  Operator "intersect"

  See Also:
    Constant Field Values

### EXCEPT

    public static final int EXCEPT

  Operator "except"

  See Also:
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### RETURN

    public static final int RETURN

  Keyword "return"

  See Also:
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### THEN

    public static final int THEN

  Ketword "then"

  See Also:
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### ELSE

    public static final int ELSE

  Keyword "else"

  See Also:
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### WHERE

    public static final int WHERE

  Keyword "where"

  See Also:
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### TO

    public static final int TO

  Operator "to"

  See Also:
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### IN

    public static final int IN

  Keyword "in"

  See Also:
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### SOME

    public static final int SOME

  Keyword "some"

  See Also:
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### EVERY

    public static final int EVERY

  Keyword "every"

  See Also:
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### SATISFIES

    public static final int SATISFIES

  Keyword "satisfies"

  See Also:
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### FUNCTION

    public static final int FUNCTION

  Token representing the name of a function and the following "(" symbol

  See Also:
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### AXIS

    public static final int AXIS

  Token representing the name of an axis and the following "::" symbol

  See Also:
    Constant Field Values

### IF

    public static final int IF

  Keyword "if"

  See Also:
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### PRECEDES

    public static final int PRECEDES

  Operator "<<"

  See Also:
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### FOLLOWS

    public static final int FOLLOWS

  Operator ">>"

  See Also:
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### COLONCOLON

    public static final int COLONCOLON

  "::" symbol

  See Also:
    Constant Field Values

### COLONSTAR

    public static final int COLONSTAR

  ":*" symbol

  See Also:
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### INSTANCE_OF

    public static final int INSTANCE_OF

  operator "instance of"

  See Also:
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### CAST_AS

    public static final int CAST_AS

  operator "cast as"

  See Also:
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### TREAT_AS

    public static final int TREAT_AS

  operator "treat as"

  See Also:
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### FEQ

    public static final int FEQ

  operator "eq"

  See Also:
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### FNE

    public static final int FNE

  operator "ne"

  See Also:
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### FGT

    public static final int FGT

  operator "gt"

  See Also:
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### FLT

    public static final int FLT

  operator "lt"

  See Also:
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### FGE

    public static final int FGE

  operator "ge"

  See Also:
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### FLE

    public static final int FLE

  opeartor "le"

  See Also:
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### IDIV

    public static final int IDIV

  operator "idiv"

  See Also:
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### CASTABLE_AS

    public static final int CASTABLE_AS

  operator "castable as"

  See Also:
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### ASSIGN

    public static final int ASSIGN

  ":=" symbol (XQuery only)

  See Also:
    Constant Field Values

### LCURLY

    public static final int LCURLY

  "{" symbol (XQuery only)

  See Also:
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### KEYWORD_CURLY

    public static final int KEYWORD_CURLY

  composite token: <keyword "{"> (XQuery only)

  See Also:
    Constant Field Values

### ELEMENT_QNAME

    public static final int ELEMENT_QNAME

  composite token <'element' QNAME> (XQuery only)

  See Also:
    Constant Field Values

### ATTRIBUTE_QNAME

    public static final int ATTRIBUTE_QNAME

  composite token <'attribute' QNAME> (XQuery only)

  See Also:
    Constant Field Values

### PI_QNAME

    public static final int PI_QNAME

  composite token <'pi' QNAME> (XQuery only)

  See Also:
    Constant Field Values

### TYPESWITCH

    public static final int TYPESWITCH

  Keyword "typeswitch"

  See Also:
    Constant Field Values

### CASE

    public static final int CASE

  Keyword "case"

  See Also:
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### DEFAULT

    public static final int DEFAULT

  Keyword "default"

  See Also:
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### XQUERY_VERSION

    public static final int XQUERY_VERSION

  "xquery version"

  See Also:
    Constant Field Values

### DECLARE_NAMESPACE

    public static final int DECLARE_NAMESPACE

  "declare namespace"

  See Also:
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### DECLARE_DEFAULT

    public static final int DECLARE_DEFAULT

  "declare default"

  See Also:
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### DECLARE_CONSTRUCTION

    public static final int DECLARE_CONSTRUCTION

  "declare construction"

  See Also:
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### DECLARE_BASEURI

    public static final int DECLARE_BASEURI

  "declare base-uri"

  See Also:
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### DECLARE_XMLSPACE

    public static final int DECLARE_XMLSPACE

  "declare xmlspace"

  See Also:
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### IMPORT_SCHEMA

    public static final int IMPORT_SCHEMA

  "import schema"

  See Also:
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### IMPORT_MODULE

    public static final int IMPORT_MODULE

  "import module"

  See Also:
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### DECLARE_VARIABLE

    public static final int DECLARE_VARIABLE

  "define variable"

  See Also:
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### DECLARE_FUNCTION

    public static final int DECLARE_FUNCTION

  "define function"

  See Also:
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### MODULE_NAMESPACE

    public static final int MODULE_NAMESPACE

  "module namespace"

  See Also:
    Constant Field Values

### VALIDATE

    public static final int VALIDATE

  Various compound symbols supporting XQuery validation expression

  See Also:
    Constant Field Values

### VALIDATE_STRICT

    public static final int VALIDATE_STRICT

See Also:
  Constant Field Values

### VALIDATE_LAX

    public static final int VALIDATE_LAX

See Also:
  Constant Field Values

### DECLARE_ORDERING

    public static final int DECLARE_ORDERING

  "declare xmlspace"

  See Also:
    Constant Field Values

### SEMICOLON

    public static final int SEMICOLON

  semicolon separator

  See Also:
    Constant Field Values

### NAME

    public static final int NAME

  Name token (a QName, in general)

  See Also:
    Constant Field Values

### STRING_LITERAL

    public static final int STRING_LITERAL

  String literal

  See Also:
    Constant Field Values

### RSQB

    public static final int RSQB

  Right square bracket

  See Also:
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### RPAR

    public static final int RPAR

  Right parenthesis

  See Also:
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### DOT

    public static final int DOT

  "." symbol

  See Also:
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### DOTDOT

    public static final int DOTDOT

  ".." symbol

  See Also:
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### STAR

    public static final int STAR

  "*" symbol when used as a wildcard

  See Also:
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### PREFIX

    public static final int PREFIX

  "prefix:*" token

  See Also:
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### NUMBER

    public static final int NUMBER

  Numeric literal

  See Also:
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### NODEKIND

    public static final int NODEKIND

  Node kind, e.g. "node()" or "comment()"

  See Also:
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### FOR

    public static final int FOR

  "for" keyword

  See Also:
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### SUFFIX

    public static final int SUFFIX

  "*:local-name" token

  See Also:
    Constant Field Values

### QMARK

    public static final int QMARK

  "?" symbol

  See Also:
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### TYPETEST

    public static final int TYPETEST

  "type("

  See Also:
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### RCURLY

    public static final int RCURLY

  "}" symbol (XQuery only)

  See Also:
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### LET

    public static final int LET

  "let" keyword (XQuery only)

  See Also:
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### TAG

    public static final int TAG

  "<" at the start of a tag (XQuery only). The pseudo-XML syntax that follows is read character-by-character by the XQuery parser

  See Also:
    Constant Field Values

### NEGATE

    public static final int NEGATE

  Unary minus sign

  See Also:
    Constant Field Values

### tokens

    public static java.lang.String[] tokens

  The following strings are used to represent tokens in error messages

### doubleKeywords

    public static java.util.HashMap doubleKeywords

  Lookup table for composite (two-keyword) tokens

### UNKNOWN

    public static final int UNKNOWN

  Pseudo-token representing the start of the expression

  See Also:
    Constant Field Values

Constructor Detail

### Token

    public Token()