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| author | dos-reis <gdr@axiomatics.org> | 2008-12-08 07:35:22 +0000 |
|---|---|---|
| committer | dos-reis <gdr@axiomatics.org> | 2008-12-08 07:35:22 +0000 |
| commit | 52b3f7dee38b7a15e1b017e6a41ac63cbf6e95e8 (patch) | |
| tree | 9f6023cdfd57bf982486d866ba32252d304b659e /src/interp/pf2sex.boot | |
| parent | dec92cd40550e8532d36502dd75d6f9d639d7f7c (diff) | |
| download | open-axiom-52b3f7dee38b7a15e1b017e6a41ac63cbf6e95e8.tar.gz | |
2008-12-07 Gabriel Dos Reis <gdr@cs.tamu.edu>
* interp/g-opt.boot ($simpleVMoperators): New.
(isSimpleVMForm): Likewise.
(isFloatableVMForm): Likewise.
(optLET): Likewise. Expand backend let-forms.
* interp/c-util.boot (foldSpadcall): Look into LET and COND forms.
(replaceSimpleFunctions): Likewise.
(mutateCONDFormWithUnaryFunction): New.
(mutateLETFormWithUnaryFunction): Likewise.
* interp/compiler.boot (tryCourtesyCoercion): Split from coerce.
(compRetractAlternative): Simplify. Now try courtesy coercions
before retraction.
(compRecoverAlternative): New.
(compMatch): Simplify. Implement type recovery too.
2008-12-06 Gabriel Dos Reis <gdr@cs.tamu.edu>
* interp/compiler.boot (compRetractAlternative): New.
(compMatch): Likewise. Use it to implement pattern macthing
for retractable domains.
* interp/parse.boot (parseAtAt): New.
* interp/postpar.boot (postAtAt): Likewise.
(postAlternatives): Likewise.
(postMatch): Likewise.
* interp/metalex.lisp (Keywords): Remove `otherwise' as keyword.
* interp/fnewmeta.lisp (|PARSE-Match|): New local parser.
* interp/newaux.lisp (@@): New token. Align wih interpreter.
(otherwise): Remove binding specification.
(case): Now also a Nud token.
Diffstat (limited to 'src/interp/pf2sex.boot')
| -rw-r--r-- | src/interp/pf2sex.boot | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/interp/pf2sex.boot b/src/interp/pf2sex.boot index 9da4d3b4..56539978 100644 --- a/src/interp/pf2sex.boot +++ b/src/interp/pf2sex.boot @@ -175,6 +175,7 @@ pf2Sex1 pf == case pf of %Exist(vars,expr) => pfQuantified2Sex("%Exist",vars,expr) %Forall(vars,expr) => pfQuantified2Sex("%Forall",vars,expr) + %Match(expr,alts) => pfCase2Sex(expr,pfParts alts) otherwise => keyedSystemError('"S2GE0017", ['"pf2Sex1"]) pfLiteral2Sex pf == @@ -534,3 +535,11 @@ pfInline2Sex pf == pfQualType2Sex pf == -- pfQualTypeQual is always nothing. pf2Sex1 pfQualTypeType pf + +++ convert interpreter parse forms to traditional s-expressions +pfCase2Sex(expr,alts) == + ["%Match",pf2Sex1 expr, [alt2Sex alt for alt in alts]] where + alt2Sex alt == + not pfExit? alt => + systemError '"alternatives must be exit expressions" + [pf2Sex1 pfExitCond alt, pf2Sex1 pfExitExpr alt] |