org.exolab.castor.jdo.oql
Class ParseTest

java.lang.Object
  org.exolab.castor.jdo.oql.ParseTest

All Implemented Interfaces:

TokenTypes

public class ParseTest

extends java.lang.Object

implements TokenTypes

Test class for Parser.

Version:

$Revision: 1.1.1.1 $ $Date: 2003/03/03 07:08:24 $

Author:

Nissim Karpenstein

Field Summary

static int	NODE_TYPES
static int	NODE_VALUES

Fields inherited from interface org.exolab.castor.jdo.oql.TokenTypes

ARROW, BOOLEAN_LITERAL, CHAR_LITERAL, COLON, COMMA, CONCAT, DATE_LITERAL, DIVIDE, DOLLAR, DOT, DOUBLE_LITERAL, END_OF_QUERY, EQUAL, GT, GTE, IDENTIFIER, KEYWORD_ABS, KEYWORD_AND, KEYWORD_AS, KEYWORD_ASC, KEYWORD_AVG, KEYWORD_BETWEEN, KEYWORD_BY, KEYWORD_COUNT, KEYWORD_DESC, KEYWORD_DISTINCT, KEYWORD_FROM, KEYWORD_IN, KEYWORD_IS_DEFINED, KEYWORD_IS_UNDEFINED, KEYWORD_LIKE, KEYWORD_LIMIT, KEYWORD_LIST, KEYWORD_MAX, KEYWORD_MIN, KEYWORD_MOD, KEYWORD_NIL, KEYWORD_NOT, KEYWORD_OR, KEYWORD_ORDER, KEYWORD_SELECT, KEYWORD_SUM, KEYWORD_UNDEFINED, KEYWORD_WHERE, LONG_LITERAL, LPAREN, LT, LTE, MINUS, NOT_EQUAL, PLUS, RPAREN, STRING_LITERAL, TIME_LITERAL, TIMES, TIMESTAMP_LITERAL

Constructor Summary

ParseTest()

Method Summary

static void	main(java.lang.String[] args) Main function.
static java.lang.String	treeToString(ParseTreeNode theTree, int printWhat) Returns a string representation of the tree using lisp tree notation.

Methods inherited from class java.lang.Object

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

Field Detail

NODE_TYPES

public static final int NODE_TYPES

See Also:

Constant Field Values

NODE_VALUES

public static final int NODE_VALUES

See Also:

Constant Field Values

Constructor Detail

ParseTest

public ParseTest()

Method Detail

main

public static void main(java.lang.String[] args)

Main function. Takes OQL query string as command line parameter and prints Parse Tree version of that query to stdout.

Parameters:

args - Pass an OQL query string on the command line.

treeToString

public static java.lang.String treeToString(ParseTreeNode theTree,
                                            int printWhat)

Returns a string representation of the tree using lisp tree notation. (A, B, C, D) means a root a with children B, C, and D. (A, (B, C, D), E) means A with a child B who has children C and D, and another child E (of A).

Parameters:

theTree - the Tree to convert to a string

printWhat - should be one of the static members NODE_TYPES or NODE_VALUES to tell the method what to write in the string.

Returns:

a string as described above.