BNF for ExpressionParser.jj

NON-TERMINALS
expression 	::= 	orCondition <EOF>
orCondition 	::= 	andCondition ( "or" andCondition )*
andCondition 	::= 	notCondition ( "and" notCondition )*
notCondition 	::= 	( "not" | "!" ) simpleCondition
                 | 	simpleCondition
simpleCondition 	::= 	scalarExpression ( simpleNotCondition | 
                                     ( "=" | "==" ) scalarExpression | 
                                     ( "!=" | "<>" ) scalarExpression | 
                                     "<=" scalarExpression | 
                                     "<" scalarExpression | 
                                     ">" scalarExpression | 
                                     ">=" scalarExpression | 
                                     "like" scalarExpression | 
                                     "likeIgnoreCase" scalarExpression | 
                                     "in" ( namedParameter | "(" scalarCommaList ")" ) 
                                     | "between" scalarExpression "and" scalarExpression )?
simpleNotCondition 	::= 	( "not" | "!" ) ( "like" scalarExpression | 
                                                  "likeIgnoreCase" scalarExpression | 
                                                  "in" ( namedParameter | "(" scalarCommaList ")" ) | 
                                                  "between" scalarExpression "and" scalarExpression )
scalarCommaList 	::= 	( scalarConstExpression ( "," scalarConstExpression )* )
scalarExpression 	::= 	scalarNumericExpression
                 | 	<SINGLE_QUOTED_STRING>
                 | 	<DOUBLE_QUOTED_STRING>
                 | 	<NULL>
scalarConstExpression 	::= 	<SINGLE_QUOTED_STRING>
                 | 	<DOUBLE_QUOTED_STRING>
                 | 	namedParameter
                 | 	<INT_LITERAL>
                 | 	<FLOAT_LITERAL>
scalarNumericExpression 	::= 	multiplySubtractExp ( "+" multiplySubtractExp | "-" multiplySubtractExp )*
multiplySubtractExp 	::= 	numericTerm ( "*" numericTerm | "/" numericTerm )*
numericTerm 	::= 	( "+" )? numericPrimary
                 | 	"-" numericPrimary
numericPrimary 	::= 	"(" orCondition ")"
                 | 	pathExpression
                 | 	namedParameter
                 | 	<INT_LITERAL>
                 | 	<FLOAT_LITERAL>
namedParameter 	::= 	"$" <PROPERTY_PATH>
pathExpression 	::= 	( <PROPERTY_PATH> | "obj:" <PROPERTY_PATH> | "db:" <PROPERTY_PATH> )