INCLAN: subroutine: Difference between revisions

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Usage: subroutine ''name''
== Synopsis ==
        ''sequence of statements''
      end


      command ''name''
'''subroutine''' ''name''
        ''sequence of statements''
:''sequence of statements''
      end
'''end'''


      command
== Description ==


The statements "subroutine" and "command" define a new user-defined command
Defines a new user-defined command within a macro, i.e. a macro within a macro. User-defined commands defined by '''subroutine''' statements are called by their ''name'', possibly followed by parameters, in exactly the same way as macros. User-defined commands defined by a '''subroutine''' statement are local to the current macro (or macros called through it). Within a macro, a user-defined command can only be called after it was defined.
within a macro, i.e. a macro within a macro. User-defined commands defined
by a "subroutine" statement are local to the current macro (or macros called
through it), whereas "command" declares a globally visible user-defined
command. User-defined commands defined by "subroutine" or "command" state-
ments are called by their name, possibly followed by parameters, in exactly
the same way as macros. Within a macro, a user-defined command can only be
called after it was defined.
The statement "command" without parameters gives a list of all user-defined
commands, and indicates where they are defined.

Latest revision as of 09:46, 17 August 2009

Synopsis

subroutine name

sequence of statements

end

Description

Defines a new user-defined command within a macro, i.e. a macro within a macro. User-defined commands defined by subroutine statements are called by their name, possibly followed by parameters, in exactly the same way as macros. User-defined commands defined by a subroutine statement are local to the current macro (or macros called through it). Within a macro, a user-defined command can only be called after it was defined.

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