All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.lang.Readable

public class XQParser
extends Lexer 

• Field Summary

  Fields

  Modifier and Type	Field and Description
  static java.lang.String[]	axisNames
  static CastableAs	castableAs
  Namespace[]	functionNamespacePath
  static QuoteExp	getExternalFunction
  static InstanceOf	instanceOf
  static QuoteExp	makeChildAxisStep
  static QuoteExp	makeDescendantAxisStep
  static Expression	makeText
  static Convert	treatAs
  static boolean	warnHidePreviousDeclaration
  static boolean	warnOldVersion

  • Fields inherited from class gnu.text.Lexer

    nesting, port, tentative, tokenBuffer, tokenBufferLength

  • Fields inherited from class java.io.Reader

    lock

• Constructor Summary

  Constructors

  Constructor and Description
  XQParser (gnu.kawa.io.InPort port, SourceMessages messages, XQuery interp)

• Method Summary

  All Methods

  Modifier and Type	Method and Description
  void	appendNamedEntity (java.lang.String name)
  static Expression	booleanValue (Expression exp) Coerce the value of an expresison to a boolean value.
  Expression	declError (java.lang.String message)
  void	eofError (java.lang.String msg)
  void	error (char severity, java.lang.String message)
  void	error (char severity, java.lang.String message, java.lang.String code)
  void	fatal (java.lang.String msg, java.lang.String code)
  void	getDelimited (java.lang.String delimiter) Scan until a given delimiter.
  java.lang.String	getStaticBaseUri ()
  void	handleOption (Symbol name, java.lang.String value)
  static Expression	makeFunctionExp (java.lang.String className, java.lang.String name)
  static Expression	makeFunctionExp (java.lang.String className, java.lang.String fieldName, java.lang.String name)
  void	mark () Start tentative parsing.
  boolean	match (java.lang.String word)
  void	maybeSetLine (Declaration decl, int line, int column)
  void	maybeSetLine (Expression exp, int line, int column)
  void	maybeSetLine (Expression exp, int startLine, int startColumn, int endLine, int endColumn)
  protected Symbol	namespaceResolve (java.lang.String name, boolean function)
  Expression	parse (Compilation comp) Parse an expression.
  Expression	parseDataType ()
  Expression	parseFLWRExpression (boolean isFor)
  Expression	parseFLWRInner (boolean isFor) Parse a let- or a for-expression.
  Expression	parseFunctionDefinition (int declLine, int declColumn)
  Expression	parseIfExpr ()
  Expression	parseItemType ()
  Expression	parseMaybeKindTest ()
  Expression	parseNamedNodeType (boolean attribute)
  Expression	parseOptionalTypeDeclaration () Parse: ["as" SequenceType]
  Expression	parseQuantifiedExpr (boolean isEvery) Parse a some- or an every-expression.
  java.lang.Object	parseVariable () Parse a Variable.
  Declaration	parseVariableDeclaration ()
  java.lang.Object	readObject ()
  void	reset () Stop tentative parsing.
  java.lang.String	resolveAgainstBaseUri (java.lang.String uri)
  void	setInteractive (boolean v)
  void	setStaticBaseUri (java.lang.String uri)
  Expression	syntaxError (java.lang.String message)
  Expression	syntaxError (java.lang.String message, java.lang.String code) Handle syntax errors (at rewrite time).

  • Methods inherited from class gnu.text.Lexer

    checkErrors, checkNext, clearErrors, close, eofError, error, error, fatal, getColumnNumber, getErrors, getLineNumber, getMessages, getName, getPort, isInteractive, isTentative, peek, popNesting, pushNesting, read, read, readCodePoint, readDelimited, readDigits, readDigitsInBuffer, readIntDigits, readOptionalExponent, readUnicodeChar, seenErrors, setMessages, setTentative, skip_quick, skip, tokenBufferAppend, tokenBufferString, unread_quick, unread, unread

  • Methods inherited from class java.io.Reader

    mark, markSupported, read, read, ready, skip

  • Methods inherited from class java.lang.Object

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

• Field Detail

  • warnOldVersion

    public static boolean warnOldVersion

  • warnHidePreviousDeclaration

    public static boolean warnHidePreviousDeclaration

  • instanceOf

    public static final InstanceOf instanceOf

  • castableAs

    public static final CastableAs castableAs

  • treatAs

    public static final Convert treatAs

  • functionNamespacePath

    public Namespace[] functionNamespacePath

  • makeChildAxisStep

    public static QuoteExp makeChildAxisStep

  • makeDescendantAxisStep

    public static QuoteExp makeDescendantAxisStep

  • makeText

    public static Expression makeText

  • getExternalFunction

    public static final QuoteExp getExternalFunction

  • axisNames

    public static final java.lang.String[] axisNames

• Constructor Detail

  • XQParser

    public XQParser(gnu.kawa.io.InPort port,
     SourceMessages messages,
     XQuery interp)

• Method Detail

  • setStaticBaseUri

    public void setStaticBaseUri(java.lang.String uri)

  • getStaticBaseUri

    public java.lang.String getStaticBaseUri()

  • resolveAgainstBaseUri

    public java.lang.String resolveAgainstBaseUri(java.lang.String uri)

  • mark

    public void mark()
     throws java.io.IOException

    Description copied from class: Lexer
    Start tentative parsing. Must be followed by a reset.

    Overrides:

    mark in class Lexer

    Throws:

    java.io.IOException

  • reset

    public void reset()
     throws java.io.IOException

    Description copied from class: Lexer
    Stop tentative parsing. Return to position where we called mark.

    Overrides:

    reset in class Lexer

    Throws:

    java.io.IOException

  • getDelimited

    public void getDelimited(java.lang.String delimiter)
     throws java.io.IOException,
     SyntaxException 

    Scan until a given delimiter. On success, text upto the delimiter is in then tokenBuffer (with tokenBufferLength marking its length); the delimiter is not included.

    Throws:

    java.io.IOException

    SyntaxException

  • appendNamedEntity

    public void appendNamedEntity(java.lang.String name)

  • setInteractive

    public void setInteractive(boolean v)

    Overrides:

    setInteractive in class Lexer

  • parseNamedNodeType

    public Expression parseNamedNodeType(boolean attribute)
     throws java.io.IOException,
     SyntaxException 

    Throws:

    java.io.IOException

    SyntaxException

  • parseOptionalTypeDeclaration

    public Expression parseOptionalTypeDeclaration()
     throws java.io.IOException,
     SyntaxException 

    Parse: ["as" SequenceType]

    Throws:

    java.io.IOException

    SyntaxException

  • parseDataType

    public Expression parseDataType()
     throws java.io.IOException,
     SyntaxException 

    Throws:

    java.io.IOException

    SyntaxException

  • parseMaybeKindTest

    public Expression parseMaybeKindTest()
     throws java.io.IOException,
     SyntaxException 

    Throws:

    java.io.IOException

    SyntaxException

  • parseItemType

    public Expression parseItemType()
     throws java.io.IOException,
     SyntaxException 

    Throws:

    java.io.IOException

    SyntaxException

  • booleanValue

    public static Expression booleanValue(Expression exp)

    Coerce the value of an expresison to a boolean value.

  • parseIfExpr

    public Expression parseIfExpr()
     throws java.io.IOException,
     SyntaxException 

    Throws:

    java.io.IOException

    SyntaxException

  • match

    public boolean match(java.lang.String word)

  • parseVariable

    public java.lang.Object parseVariable()
     throws java.io.IOException,
     SyntaxException 

    Parse a Variable.

    Throws:

    java.io.IOException

    SyntaxException

  • parseVariableDeclaration

    public Declaration parseVariableDeclaration()
     throws java.io.IOException,
     SyntaxException 

    Throws:

    java.io.IOException

    SyntaxException

  • parseFLWRExpression

    public Expression parseFLWRExpression(boolean isFor)
     throws java.io.IOException,
     SyntaxException 

    Throws:

    java.io.IOException

    SyntaxException

  • parseFLWRInner

    public Expression parseFLWRInner(boolean isFor)
     throws java.io.IOException,
     SyntaxException 

    Parse a let- or a for-expression. Assume the 'let'/'for'-token has been seen, and we've read '$'. If we see the 'order' keyword of an 'order by' clause then we stop parsing, and return a result as if we instead saw a 'return make-tuple($x, ...)'. The 'order by' clause will get parsed by the outer-most 'for' or 'let'.

    Throws:

    java.io.IOException

    SyntaxException

  • parseQuantifiedExpr

    public Expression parseQuantifiedExpr(boolean isEvery)
     throws java.io.IOException,
     SyntaxException 

    Parse a some- or an every-expression. Assume the 'some'/'every'-token has been seen, and we've read '$'.

    Throws:

    java.io.IOException

    SyntaxException

  • parseFunctionDefinition

    public Expression parseFunctionDefinition(int declLine,
     int declColumn)
     throws java.io.IOException,
     SyntaxException 

    Throws:

    java.io.IOException

    SyntaxException

  • readObject

    public java.lang.Object readObject()
     throws java.io.IOException,
     SyntaxException 

    Throws:

    java.io.IOException

    SyntaxException

  • namespaceResolve

    protected Symbol namespaceResolve(java.lang.String name,
     boolean function)

  • parse

    public Expression parse(Compilation comp)
     throws java.io.IOException,
     SyntaxException 

    Parse an expression. Return null on EOF.

    Throws:

    java.io.IOException

    SyntaxException

  • handleOption

    public void handleOption(Symbol name,
     java.lang.String value)

  • makeFunctionExp

    public static Expression makeFunctionExp(java.lang.String className,
     java.lang.String name)

  • makeFunctionExp

    public static Expression makeFunctionExp(java.lang.String className,
     java.lang.String fieldName,
     java.lang.String name)

  • error

    public void error(char severity,
     java.lang.String message,
     java.lang.String code)

  • error

    public void error(char severity,
     java.lang.String message)

    Overrides:

    error in class Lexer

  • declError

    public Expression declError(java.lang.String message)
     throws java.io.IOException,
     SyntaxException 

    Throws:

    java.io.IOException

    SyntaxException

  • syntaxError

    public Expression syntaxError(java.lang.String message,
     java.lang.String code)
     throws java.io.IOException,
     SyntaxException 

    Handle syntax errors (at rewrite time).

    Parameters:

    message - an error message to print out

    Returns:

    an ErrorExp

    Throws:

    java.io.IOException

    SyntaxException

  • syntaxError

    public Expression syntaxError(java.lang.String message)
     throws java.io.IOException,
     SyntaxException 

    Throws:

    java.io.IOException

    SyntaxException

  • eofError

    public void eofError(java.lang.String msg)
     throws SyntaxException 

    Overrides:

    eofError in class Lexer

    Throws:

    SyntaxException

  • fatal

    public void fatal(java.lang.String msg,
     java.lang.String code)
     throws SyntaxException 

    Throws:

    SyntaxException

  • maybeSetLine

    public void maybeSetLine(Expression exp,
     int line,
     int column)

  • maybeSetLine

    public void maybeSetLine(Expression exp,
     int startLine,
     int startColumn,
     int endLine,
     int endColumn)

  • maybeSetLine

    public void maybeSetLine(Declaration decl,
     int line,
     int column)