cc.redberry.core.parser

Class ParserFunctions

java.lang.Object

cc.redberry.core.parser.ParserFunctions

All Implemented Interfaces:

TokenParser

public class ParserFunctions
extends java.lang.Object
implements TokenParser

Parser for scalar functions.

Since:

1.0

Field Summary

Fields

Modifier and Type	Field and Description
static ParserFunctions	INSTANCE Singleton instance.

Method Summary

Modifier and Type	Method and Description
ParseToken	parseToken(java.lang.String expression, Parser parser) Parses the specified string expression and returns the corresponding AST node or null, string can not be parsed by this parser.
int	priority() The higher the priority, the earlier runs.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final ParserFunctions INSTANCE

Singleton instance.

Method Detail

priority

public int priority()

Description copied from interface: TokenParser

The higher the priority, the earlier runs.

Specified by:

priority in interface TokenParser

Returns:

priority

parseToken

public ParseToken parseToken(java.lang.String expression,
                             Parser parser)

Description copied from interface: TokenParser

Parses the specified string expression and returns the corresponding AST node or null, string can not be parsed by this parser.

Specified by:

parseToken in interface TokenParser

Parameters:

expression - string expression

parser - recursion

Returns:

AST node