mondrian.olap
Class Scanner

java.lang.Object
  mondrian.olap.Scanner

Direct Known Subclasses:

StringScanner

public class Scanner
extends Object

Lexical analyzer for MDX.

Field Summary

protected boolean	debug
protected int	nextChar single lookahead character

Constructor Summary

Scanner(boolean debug)
Creates a Scanner.

Method Summary

protected int	getChar() Read a character from input, returning -1 if end of input.
static String[][]	getCommentDelimiters() Returns the list of comment delimiters.
(package private) void	getLocation(java_cup.runtime.Symbol symbol, int[] loc) Deduces the line and column (0-based) of a symbol.
static boolean	getNestedCommentsState() Returns the current nested comments state.
void	init() Initialize the scanner
String	lookupReserved(int i) return the name of the reserved word whose token code is "i"
java_cup.runtime.Symbol	next_token() Recognizes and returns the next complete token.

Methods inherited from class java.lang.Object

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

Field Detail

nextChar

protected int nextChar

single lookahead character

debug

protected boolean debug

Constructor Detail

Scanner

Scanner(boolean debug)

Creates a Scanner.

Parameters:

debug - Whether to emit debug messages.

Method Detail

getNestedCommentsState

public static boolean getNestedCommentsState()

Returns the current nested comments state.

getCommentDelimiters

public static String[][] getCommentDelimiters()

Returns the list of comment delimiters.

getChar

protected int getChar()
               throws IOException

Read a character from input, returning -1 if end of input.

Throws:

IOException

init

public void init()
          throws IOException

Initialize the scanner

Throws:

IOException

getLocation

void getLocation(java_cup.runtime.Symbol symbol,
                 int[] loc)

Deduces the line and column (0-based) of a symbol. Called by Parser.syntax_error(java_cup.runtime.Symbol).

lookupReserved

public String lookupReserved(int i)

return the name of the reserved word whose token code is "i"

next_token

public java_cup.runtime.Symbol next_token()
                                   throws IOException

Recognizes and returns the next complete token.

Throws:

IOException