From f0b6be21e20a76251afe2bc2ae92800fb267da0b Mon Sep 17 00:00:00 2001 From: dos-reis Date: Fri, 30 Apr 2010 14:53:30 +0000 Subject: * interp/macros.lisp (|check-subtype|): Return coerced value if can. (|check-union|): Likewise. * interp/compiler.boot (coerceSuperset): Tidy. Generate %Retract instruction. * interp/g-opt.boot (optRetract): New. --- src/interp/g-opt.boot | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'src/interp/g-opt.boot') diff --git a/src/interp/g-opt.boot b/src/interp/g-opt.boot index 38613f11..31420217 100644 --- a/src/interp/g-opt.boot +++ b/src/interp/g-opt.boot @@ -571,7 +571,14 @@ optCollectVector form == ["LET",[[vec,["makeSimpleArray",["getVMType",eltType],vecSize]]], ["REPEAT",:iters,["setSimpleArrayEntry",vec,index,body]], vec] - + +++ Translate retraction of a value denoted by `e' to sub-domain `m' +++ defined by predicate `pred', +optRetract ["%Retract",e,m,pred] == + atom e => ["check-subtype",substitute(e,"#1",pred),MKQ m,e] + g := GENSYM() + ["LET",[[g,e]],["check-subtype",substitute(g,"#1",pred),MKQ m,g]] + lispize x == first optimize [x] --% optimizer hash table @@ -588,6 +595,7 @@ for x in '( (call optCall) _ (_| optSuchthat)_ (CATCH optCatch)_ (COND optCond)_ + (%Retract optRetract)_ (%CollectV optCollectVector)_ (mkRecord optMkRecord)_ (RECORDELT optRECORDELT)_ -- cgit v1.2.3