46 lines
2.4 KiB
BNF
46 lines
2.4 KiB
BNF
<function_declaration> ::= <optional_whitespace>
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<accessibility_modifier>
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<function_keyword>
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<required_single_line_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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<standard_statement_block>
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<function_signature> ::= "(" <parameter_list>? ")" <optional_whitespace> <arrow_keyword> <optional_whitespace> <return_type_list> <optional_whitespace> <function_error_signature>?
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<function_error_signature> ::= <function_error_identifier> <required_single_line_whitespace> <error_type_list>
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<return_type_list> ::= "[" <optional_single_line_whitespace> <type> | <callable_type_keyword> ( <optional_single_line_whitespace> "|" <optional_single_line_whitespace> <null_keyword>)? <optional_single_line_whitespace> "]"
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<error_type_list> ::= "[" <optional_single_line_whitespace> <inherited_error_type> ("," <optional_single_line_whitespace> <inherited_error_type>)* "]"
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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> "," <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> ::= <type> <required_single_line_whitespace> <identifier>
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<default_parameter> ::= <type> <required_single_line_whitespace> <identifier> ".default(" <literal> ")"
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<lambda_declaration> ::= <function_keyword> <optional_whitespace> "(" <parameter_list>? ")" <function_signature> <standard_statement_block>
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<constructor_declaration> ::= <optional_whitespace> <accessibility_modifier> <function_keyword> <required_single_line_whitespace> <constructor_method_name> <optional_whitespace> <function_signature> <optional_whitespace> <standard_statement_block>
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<destructor_declaration> ::= <optional_whitespace> <accessibility_modifier> <function_keyword> <required_single_line_whitespace> <destructor_method_name> <optional_whitespace> <function_signature> <optional_whitespace> <standard_statement_block>
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