Waddle_Language/grammar/operations/expressions.bnf

<expression> ::= <my_identifier>
               | <literal>
               | <object_method_call>
               | <constant_expression>
               | <object_instantiation>
               | <type_conversion_expression>
               | "(" <expression> ")"
               | <lambda_expression>

<type_conversion_expression> ::= <my_identifier> ".as(" <type> ")"

<boolean_expression> ::= 
    <boolean_literal>
    | "(" <boolean_expression> ")"
    | <my_identifier>.eq(<expression>)
    | <my_identifier>.is(<expression>)
    | <my_identifier>.not(<expression>)
    | <my_identifier>.gt(<expression>)
    | <my_identifier>.lt(<expression>)
    | <my_identifier>.gte(<expression>)
    | <my_identifier>.lte(<expression>)
    | <my_identifier>.and(<boolean_expression>)
    | <my_identifier>.or(<boolean_expression>)
    | Boolean.and(<boolean_expression>, <boolean_expression>)
    | Boolean.or(<boolean_expression>, <boolean_expression>)
    | Boolean.not(<boolean_expression>)
    | Boolean.eq(<boolean_expression>, <boolean_expression>)
    | Boolean.is(<boolean_expression>, <boolean_expression>)
    | Boolean.gt(<boolean_expression>, <boolean_expression>)
    | Boolean.lt(<boolean_expression>, <boolean_expression>)
    | Boolean.gte(<boolean_expression>, <boolean_expression>)
    | Boolean.lte(<boolean_expression>, <boolean_expression>)

<constant_expression> ::= <my_identifier> ".define(" <literal> ")"