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External Declarations

• external-declaration:

• function-definition

• declaration

• class-interface

• class-implementation

• category-interface

• category-implementation

• protocol-declaration

• protocol-declaration-list

• class-declaration-list

• class-interface:

• @interfaceclass-name [ : superclass-name ]

• [ protocol-reference-list ]

• [ instance-variables ]

• [ interface-declaration-list ]

• @end

• class-implementation:

• @implementation class-name [ : superclass-name ]

• [ implementation-definition-list ]

• @end

• category-interface:

• @interface class-name ( category-name )

• [ protocol-reference-list ]

• [ interface-declaration-list ]

• @end

• category-implementation:

• @implementation class-name ( category-name )

• [ implementation-definition-list ]

• @end

• protocol-declaration:

• @protocol protocol-name

• [ protocol-reference-list ]

• [ interface-declaration-list ]

• @end

• protocol-declaration-list:

• @protocol protocol-list ;

• class-declaration-list:

• @class class-list ;

• class-list:

• class-name

• class-list, class-name

• protocol-reference-list:

• < protocol-list >

• protocol-list:

• protocol-name

• protocol-list, protocol-name

• class-name:

• identifier

• superclass-name:

• identifier

• category-name:

• identifier

• protocol-name:

• identifier

• instance-variables:

• { instance-variable-declaration }

• instance-variable-declaration:

• visibility-specification

• struct-declaration-list instance-variables

• instance-variable-declaration visibility-specification

• instance-variable-declaration struct-declaration-list instance-variables

• visibility-specification:

• @private

• @protected

• @package

• @public

• interface-declaration-list:

• declaration

• method-declaration

• interface-declaration-list declaration

• interface-declaration-list method-declaration

• method-declaration:

• class-method-declaration

• instance-method-declaration

• class-method-declaration:

• + [ method-type ] method-selector;

• instance-method-declaration:

• – [ method-type ] method-selector;

• implementation-definition-list:

• function-definition

• declaration

• method-definition

• implementation-definition-list function-definition

• implementation-definition-list declaration

• implementation-definition-list method-definition

• method-definition:

• class-method-definition

• instance-method-definition

• class-method-definition:

• + [ method-type ] method-selector [ declaration-list ] compound-statement

• instance-method-definition:

• – [ method-type ] method-selector [ declaration-list ] compound-statement

• method-selector:

• unary-selector

• keyword-selector [ , ... ]

• keyword-selector [ , parameter-type-list ]

• unary-selector:

• selector

• keyword-selector:

• keyword-declarator

• keyword-selector keyword-declarator

• keyword-declarator:

• : [ method-type ] identifier

• selector: [ [method-type] method-type ] identifier

• selector:

• identifier

• method-type:

• ( type-name )

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