Atom

EBNF

Atom = Literal
     | Parameter
     | CaseExpression
     | ((C,O,U,N,T), [SP], '(', [SP], '*', [SP], ')')
     | ListComprehension
     | PatternComprehension
     | ((A,L,L), [SP], '(', [SP], FilterExpression, [SP], ')')
     | ((A,N,Y), [SP], '(', [SP], FilterExpression, [SP], ')')
     | ((N,O,N,E), [SP], '(', [SP], FilterExpression, [SP], ')')
     | ((S,I,N,G,L,E), [SP], '(', [SP], FilterExpression, [SP], ')')
     | RelationshipsPattern
     | ParenthesizedExpression
     | FunctionInvocation
     | Variable
     ;

ListComprehension = '[', [SP], FilterExpression, [[SP], '|', [SP], Expression], [SP], ']' ;

RelationshipsPattern = NodePattern, { [SP], PatternElementChain }- ;

PatternElementChain = RelationshipPattern, [SP], NodePattern ;

ParenthesizedExpression = '(', [SP], Expression, [SP], ')' ;

Variable = SymbolicName ;

Referenced from

• Expression
• PropertyExpression