47 lines
1.8 KiB
BNF
47 lines
1.8 KiB
BNF
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<expression> ::= <my_identifier>
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| <literal>
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| <object_method_call>
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| "(" <expression> ")"
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| <lambda_expression>
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<boolean_expression> ::= <boolean_literal>
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| "(" <boolean_expression> ")"
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| <my_identifier>.eq(<expression>)
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| <my_identifier>.is(<expression>)
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| <my_identifier>.not(<expression>)
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| <my_identifier>.gt(<expression>)
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| <my_identifier>.lt(<expression>)
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| <my_identifier>.gte(<expression>)
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| <my_identifier>.lte(<expression>)
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| Boolean.or(<boolean_expression>, <boolean_expression>)
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| Boolean.and(<boolean_expression>, <boolean_expression>)
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<object_method_call> ::= <my_identifier> "." <method_name> "(" <argument_list>? ")"
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| <my_identifier> ".sum()"
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Note: "set" is available on all base objects.
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Methods listed after it are grouped by type:
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group 1 are String methods,
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group 2 are Integer/Decimal methods,
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group 3 are Array methods,
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group 4 are Integer Array methods
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<method_name> ::= "set"
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| "length" | "reverse" | "split" | "format" | "search" | "concat" | "replace"
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| "add" | "subtract" | "multiply" | "divide" | "mod" | "round"
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| "remove" | "first" | "last" | "find" | "glue" | "contains" | "add" | "each"
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| "sum"
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| <identifier>
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<lambda_expression> ::= "fn" "(" <parameter_list>? ")" "->" "[" <type> "]" "{" <statement>* "}"
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<literal> ::= <number_literal> | <string_literal> | <boolean_literal>
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<number_literal> ::= <digit>+
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<string_literal> ::= '"' [^"]* '"'
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<boolean_literal> ::= "True" | "False"
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<my_identifier> ::= "my." <identifier>
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