47 lines
1.7 KiB
BNF
47 lines
1.7 KiB
BNF
<function_declaration> ::= <optional_whitespace>
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<accessibility_modifier>
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<function_keyword>
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<optional_whitespace>
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<identifier>
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<optional_whitespace>
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<function_signature>
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<optional_whitespace>
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"{"
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<optional_whitespace>
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<statement>*
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<optional_whitespace>
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"}"
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<function_signature> ::= "(" <parameter_list>? ")"
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<arrow_keyword> <return_type_list>
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<error_type_list> ::= <error_type> ("," <error_type>)*
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<error_type> ::= <identifier> ("/" <identifier>)?
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<parameter_list> ::= <parameter_group>?
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<parameter_group> ::= <optional_whitespace>
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( <required_parameters>
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| <required_parameters> "," <default_parameters>
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| <default_parameters> )
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<optional_whitespace>
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<required_parameters> ::=
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<optional_whitespace>
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( <required_parameter>
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| <required_parameter> "," <optional_whitespace> <required_parameters> )
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<default_parameters> ::=
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<optional_whitespace>
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( <default_parameter>
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| <default_parameter> "," <default_parameters> )
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<required_parameter> ::= <parameter_type> <identifier>
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<default_parameter> ::= <parameter_type> <identifier> ".default(" <literal> ")"
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<lambda_declaration> ::= <function_keyword> <optional_whitespace> "(" <parameter_list>? ")"
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<arrow_keyword> <optional_whitespace> "[" <optional_whitespace> <type> <optional_whitespace> "]"
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"{" <optional_whitespace> <statement>* <optional_whitespace> "}"
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