109 lines
2.6 KiB
Factor
109 lines
2.6 KiB
Factor
! Copyright (C) 2008 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: kernel locals.private quotations classes.tuple make
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combinators generic words interpolate namespaces sequences
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io.streams.string fry classes.mixin effects lexer parser
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classes.tuple.parser effects.parser ;
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IN: functors
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: scan-param ( -- obj )
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scan-object dup special? [ literalize ] unless ;
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: define* ( word def effect -- ) pick set-word define-declared ;
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: DEFINE* ( -- ) effect get parsed \ define* parsed ;
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: `TUPLE:
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scan-param parsed
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scan {
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{ ";" [ tuple parsed f parsed ] }
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{ "<" [ scan-param [ parse-tuple-slots ] { } make parsed ] }
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[
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[ tuple parsed ] dip
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[ parse-slot-name [ parse-tuple-slots ] when ] { }
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make parsed
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]
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} case
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\ define-tuple-class parsed ; parsing
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: `M:
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effect off
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scan-param parsed
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scan-param parsed
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\ create-method parsed
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parse-definition parsed
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DEFINE* ; parsing
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: `C:
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effect off
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scan-param parsed
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scan-param parsed
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[ [ boa ] curry ] over push-all
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DEFINE* ; parsing
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: `:
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effect off
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scan-param parsed
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parse-definition parsed
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DEFINE* ; parsing
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: `INSTANCE:
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scan-param parsed
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scan-param parsed
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\ add-mixin-instance parsed ; parsing
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: `inline \ inline parsed ; parsing
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: `parsing \ parsing parsed ; parsing
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: `(
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")" parse-effect effect set ; parsing
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: (INTERPOLATE) ( accum quot -- accum )
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[ scan interpolate-locals ] dip
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'[ _ with-string-writer @ ] parsed ;
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: IS [ dup search [ ] [ no-word ] ?if ] (INTERPOLATE) ; parsing
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: DEFINES [ in get create ] (INTERPOLATE) ; parsing
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DEFER: ;FUNCTOR delimiter
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: functor-words ( -- assoc )
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H{
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{ "TUPLE:" POSTPONE: `TUPLE: }
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{ "M:" POSTPONE: `M: }
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{ "C:" POSTPONE: `C: }
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{ ":" POSTPONE: `: }
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{ "INSTANCE:" POSTPONE: `INSTANCE: }
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{ "inline" POSTPONE: `inline }
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{ "parsing" POSTPONE: `parsing }
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{ "(" POSTPONE: `( }
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} ;
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: push-functor-words ( -- )
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functor-words use get push ;
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: pop-functor-words ( -- )
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functor-words use get delq ;
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: parse-functor-body ( -- form )
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t in-lambda? [
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V{ } clone
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push-functor-words
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"WHERE" parse-bindings* \ ;FUNCTOR (parse-lambda)
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<let*> parsed-lambda
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pop-functor-words
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>quotation
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] with-variable ;
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: (FUNCTOR:) ( -- word def )
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CREATE
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parse-locals
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parse-functor-body swap pop-locals <lambda>
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lambda-rewrite first ;
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: FUNCTOR: (FUNCTOR:) define ; parsing
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: APPLY: scan-word scan-word execute swap '[ _ execute ] each ; parsing
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