org.exolab.castor.jdo.oql

Class ParseTest

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, TIMES, TIMESTAMP_LITERAL, TIME_LITERAL

Method Summary

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

Field Details

NODE_TYPES

public static final int NODE_TYPES
Field Value:
1

NODE_VALUES

public static final int NODE_VALUES
Field Value:
2

Method Details

main

public static void main(args[] )
Main function. Takes OQL query string as command line parameter and prints Parse Tree version of that query to stdout.
Parameters:

treeToString

public static 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.

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