23 lines
772 B
Factor
23 lines
772 B
Factor
! Copyright (C) 2008 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: classes.tuple classes.tuple.parser kernel words
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make fry sequences parser accessors effects ;
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IN: compiler.cfg.instructions.syntax
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: insn-word ( -- word )
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#! We want to put the insn tuple in compiler.cfg.instructions,
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#! but we cannot have circularity between that vocabulary and
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#! this one.
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"insn" "compiler.cfg.instructions" lookup ;
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: insn-effect ( word -- effect )
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boa-effect in>> but-last f <effect> ;
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SYNTAX: INSN:
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parse-tuple-definition "regs" suffix
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[ dup tuple eq? [ drop insn-word ] when ] dip
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[ define-tuple-class ]
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[ 2drop save-location ]
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[ 2drop [ ] [ '[ f _ boa , ] ] [ insn-effect ] tri define-inline ]
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3tri ;
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