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View Code? Open in Web Editor NEWSimple JavaScript-like prototype-based programming in vimscript
Simple JavaScript-like prototype-based programming in vimscript
prototype leverages vimscript's |dictionary-function|s to enable JavaScript-like prototype-based programming. Example: > " Define a prototype let x1 = prototype#New({'a': 2, 'b': 3}) function! x1.Foo(a) dict "{{{3 return "x1-". (self.a * a:a) endf echo x1.Foo(10) => x1-20 " Inherit from a prototype let x2 = prototype#New({'a': 33}, x1) echo x2.Foo(10) => x1-330 echo x2.b => 3 " Change the prototype let x1a = prototype#New({'a': 20, 'b': 30, 'c': 50}) function! x1a.Foo(a) dict "{{{3 return "x1a-". (self.c * a:a) endf call x2.__Prototype(x1a) echo x2.Foo(10) => x1a-500 See ../spec/prototype/prototype.vim for more examples. *prototype-objects* Objects~ Objects are created created with the |prototype#New()| function. Strict objects whose validity is checked on certain operations can be created with |prototype#strict#New()|. Example: > let o = prototype#New({'a': 1, 'b': 2}) function! o.Foo(x) dict return self.a * a:x endf An object has the following additional fields and method(s): o.__Prototype(prototype) ... Set the prototype o.__prototype ... Access the prototype o.__Get(key, [default]) ... Get key's value, call o.__Default(key) if defined. o.__Set(field, value) ... Set an attribute and validate For internal use: o.__abstract ... The fields that define the assured interface of the object (those fields not inherited from prototypes) You should not overwrite the values of these fields. As a rule, the names of prototype-specific methods/attributes are prefixed with two underscores. Any method/attribute that is prefixed with an underscore won't inherited by child objects. ----------------------------------------------------------------------- Status: Work in progress Install: See http://github.com/tomtom/vimtlib/blob/master/INSTALL.TXT See http://github.com/tomtom for related plugins.
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