work towards using typedefs, debugging
This commit is contained in:
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@ -1,11 +1,13 @@
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#lang turnstile
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(provide (except-out (all-defined-out) → ∀)
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(provide (except-out (all-defined-out) → ∀ Role)
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(rename-out [→+ →]
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[∀+ ∀])
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(for-syntax (except-out (all-defined-out) ~→ ~∀)
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[∀+ ∀]
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[Role+Body Role])
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(for-syntax (except-out (all-defined-out) ~→ ~∀ ~Role)
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(rename-out [~→+ ~→]
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[~∀+ ~∀]))
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[~∀+ ~∀]
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[~Role+Body ~Role]))
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(for-meta 2 (all-defined-out)))
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(require (only-in turnstile
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[define-type-constructor define-type-constructor-]
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@ -15,13 +17,15 @@
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(require turnstile/typedefs)
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(begin-for-syntax
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;; turnstile/typedefs sets it to #t, which breaks things
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(current-use-stop-list? #t))
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(current-use-stop-list? #f))
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(require (prefix-in syndicate: syndicate/actor-lang))
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(require (for-meta 2 macrotypes/stx-utils racket/list syntax/stx syntax/parse racket/base))
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(require (for-syntax turnstile/examples/util/filter-maximal))
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(require (for-syntax macrotypes/type-constraints macrotypes/variance-constraints))
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(require (for-syntax (prefix-in ttc: turnstile/type-constraints)
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(prefix-in mtc: macrotypes/type-constraints)
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(prefix-in mvc: macrotypes/variance-constraints)))
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#;(require (only-in (for-syntax macrotypes/typecheck-core) get-orig))
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(require (for-syntax racket/struct-info
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syntax/id-table))
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@ -76,7 +80,10 @@
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(define (un- id)
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(define match?
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(regexp-match #px"^(\\S*)-\\S*$" (symbol->string (syntax-e id))))
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(string->symbol (second match?)))
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(if match?
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(string->symbol (second match?))
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(begin (printf "no match! ~a\n" id)
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match?)))
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;; Identifier -> (U #f type-metadata)
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(define (get-type-info ty-cons)
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@ -224,24 +231,11 @@
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(define (new-type? t)
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(or (type?- t)
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(Type? (detach t ':))))
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#;(require racket/trace)
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#;(trace new-type?)
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(current-type? new-type?))
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(begin-for-syntax
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;; won't work for binding types
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(define-syntax ~Any/new
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(pattern-expander
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(syntax-parser
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[(_ tycons . rst)
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#'((~literal #%plain-app)
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tycons
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(~and
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(~or* (~seq ty (... ...) ((~literal #%plain-app) (~literal list) . more-tys))
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(~seq ty (... ...)))
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(~parse rst (if (attribute more-tys)
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#'(ty (... ...) . more-tys)
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#'(ty (... ...))))))]))))
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(begin-for-syntax
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(define-generic-type-method get-arg-variances-data #:default #f)
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(define-generic-type-method get-extra-info-data #:default #f)
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@ -318,9 +312,15 @@
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(define-simple-macro (define-base-types Name:id ...)
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(begin- (define-base-type Name) ...))
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(define-base-types Discard ★/t)
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(define-type FacetName : FacetName)
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#;(define-type-constructor? Shares #:arity = 1)
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(define-binding-type Role #:arity >= 0 #:bvs = 1)
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#;(define-binding-type Role #:arity >= 0 #:bvs = 1)
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(define-type Role #:with-binders [X : FacetName] : Type -> Type)
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(define-type RoleBody : Type * -> Type)
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(define-type-constructor Shares #:arity = 1)
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(define-type-constructor Sends #:arity = 1)
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(define-type-constructor Realizes #:arity = 1)
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@ -330,7 +330,8 @@
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(define-type-constructor Know #:arity = 1)
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(define-type-constructor Forget #:arity = 1)
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(define-product-type Realize #:arity = 1)
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(define-type-constructor Stop #:arity >= 1)
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#;(define-type-constructor Stop #:arity >= 1)
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(define-type Stop : FacetName Type * -> Type)
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(define-type-constructor Field #:arity = 1)
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(define-type-constructor Bind #:arity = 1)
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;; keep track of branches for facet effects
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@ -392,6 +393,21 @@
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TY
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(~parse (vars-pat ty-pat) (flatten-∀ #'TY)))]))))
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(define-simple-macro (Role+Body (x:id) ty ...)
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(Role (x : FacetName)
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(RoleBody ty ...)))
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(begin-for-syntax
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(define-syntax ~Role+Body
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(pattern-expander
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(syntax-parser
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[(_ var-pat . ty-pat)
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(syntax/loc this-syntax
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(~and (~Role (internal-name : _)
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(~RoleBody . tys))
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(~parse var-pat #'(internal-name))
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(~parse ty-pat #'tys)))]))))
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;; for describing the RHS
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;; a value and a description of the effects
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@ -402,7 +418,6 @@
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(define-type-constructor Spawns #:arity >= 0)
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(define-base-types Discard ★/t FacetName)
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(define-for-syntax (type-eval t)
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((current-type-eval) t))
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@ -415,15 +430,17 @@
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;; (copied from ext-stlc example)
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(define-syntax define-type-alias
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(syntax-parser
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[(_ alias:id τ)
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[(_ alias:id τ:type)
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#:with kind (detach #'τ.norm ':)
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#'(define-syntax- alias
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(make-variable-like-transformer #'τ))]
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(make-variable-like-transformer (attach #'τ ': #'kind)))]
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[(_ (f:id x:id ...) ty)
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#'(define-syntax- (f stx)
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(syntax-parse stx
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[(_ x ...)
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#:with τ:any-type #'ty
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#'τ.norm]))]))
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#'ty
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;; #:with τ:any-type #'ty
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#;#'τ.norm]))]))
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(define-type-alias ⊥ (U*))
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(define-type-alias Unit (Tuple))
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@ -686,7 +703,7 @@
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#'(~and it
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(~fail #:unless (user-defined-type? #'it))
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(~parse tag (get-type-tag #'it))
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(~Any _ . rst))])))
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(~Any/new _ . rst))])))
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(define-syntax ~constructor-exp
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(pattern-expander
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@ -756,11 +773,25 @@
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#:datum-literals (:)
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[(_ lib [name:id : ty:type] ...)
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#:with (name- ...) (format-ids "~a-" #'(name ...))
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#:with (kind ...) (for/list ([t (in-syntax #'(ty.norm ...))])
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(detach t ':))
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(define nm1 (syntax-e (first (syntax->list #'(name ...)))))
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(define kind1 (first (syntax->list #'(kind ...))))
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(when (equal? nm1 'identity)
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(printf "require/typed: ~a\n" nm1)
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(syntax-parse kind1
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[(~Base t)
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(define t-i (syntax-local-introduce #'t))
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(pretty-print (syntax-debug-info t-i))
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(pretty-print (identifier-binding t-i))]))
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(syntax/loc stx
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(begin-
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(require (only-in lib [name name-] ...))
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(define-syntax name
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(make-variable-like-transformer (add-orig (assign-type #'name- #'ty #:wrap? #f) #'name)))
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(make-variable-like-transformer
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(add-orig (assign-type #'name-
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(attach #'ty ': ((current-type-eval) #'Type))
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#:wrap? #f) #'name)))
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...))]))
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;; Format identifiers in the same way
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(define-for-syntax (flat-type? τ)
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(syntax-parse τ
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[(~→+ τ ...) #f]
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[(~→+ i ... o) #f]
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[(~Actor τ) #f]
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[(~Role (_) _ ...) #f]
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[(~Role+Body (_) _ ...) #f]
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[_ #t]))
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(define-for-syntax (strip-? t)
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;; Wanted test case, but can't use it bc it uses things defined for-syntax
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#;(module+ test
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(let ([r (type-eval #'(Role (x) (Shares Int)))])
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(let ([r (type-eval #'(Role+Body (x) (Shares Int)))])
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(syntax-parse (analyze-role-input/output r)
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[(τ-i τ-o)
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(check-true (type=? #'τ-o (type-eval #'Int)))])))
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@ -928,13 +959,13 @@
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(values bot (mk-Message- #'(τ-m)) bot bot bot)]
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[(~Realizes τ-m)
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(values bot bot bot (mk-Realize- #'(τ-m)) bot)]
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[(~Role (name:id)
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[(~Role+Body (name:id)
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(~or (~Shares τ-s)
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(~Know τ-k)
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(~Sends τ-m)
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(~Realizes τ-rlz)
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(~Reacts τ-if τ-then ...)) ...
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(~and (~Role _ ...) sub-role) ...)
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(~and (~Role+Body _ _ ...) sub-role) ...)
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#:with (msg ...) (for/list ([m (in-syntax #'(τ-m ...))])
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(mk-Message- (list m)))
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#:with (rlz ...) (for/list ([r (in-syntax #'(τ-rlz ...))])
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(paren-join (cons "U" (stx-map type->strX #'(τ ...))))]
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[(~Base x)
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(un-gensym #'x)]
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[(~Role+Body (x:id) τ ...)
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(define nm (un-gensym #'x))
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(define body (stx-map type->strX #'(τ ...)))
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(paren-join (list* "Role" (format "(~a)" nm) body))]
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[(~∀+ (X ...) τ)
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(define vars
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(paren-join (stx-map type->strX #'(X ...))))
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(paren-join (list "∀" vars (type->strX #'τ)))]
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[(~Any/new τ-cons τ ...)
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(define ctor (un-gensym #'τ-cons))
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(define body (stx-map type->strX #'(τ ...)))
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(paren-join (cons ctor body))]
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[(~Any/bvs τ-cons (X ...) τ ...)
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(define ctor (un-gensym #'τ-cons))
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(define body (stx-map type->strX #'(τ ...)))
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@ -1059,7 +1102,7 @@
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(flat-type? t1)]
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[((~U* τ1 ...) _)
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(stx-andmap (lambda (t) (<: t t2)) #'(τ1 ...))]
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[(_ (~U* τ2:type ...))
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[(_ (~U* τ2 ...))
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(stx-ormap (lambda (t) (<: t1 t)) #'(τ2 ...))]
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[((~Actor τ1) (~Actor τ2))
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(and (<: #'τ1 #'τ2)
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@ -1083,9 +1126,13 @@
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#t]
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[(X:id Y:id)
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(or (free-identifier=? #'X #'Y)
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(let ()
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#;(displayln (identifier-binding #'X))
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#;(displayln (identifier-binding #'Y))
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#;(let ()
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(printf "X:\n")
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(pretty-print (syntax-debug-info (values #;syntax-local-introduce #'X)))
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(pretty-print (identifier-binding #'X))
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(printf ":\n")
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(pretty-print (syntax-debug-info (values #;syntax-local-introduce #'Y)))
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(pretty-print (identifier-binding #'Y))
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#f))]
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[((~∀+ (X:id ...) τ1) (~∀+ (Y:id ...) τ2))
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#:when (stx-length=? #'(X ...) #'(Y ...))
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@ -1094,8 +1141,16 @@
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;; (displayln #'τ2-X/Y)]
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(<: #'τ1 #'τ2-X/Y)]
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[((~Base τ1:id) (~Base τ2:id))
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(free-identifier=? #'τ1 #'τ2)]
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[((~Role (x) _ ...) (~Role (y) _ ...))
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(or (free-identifier=? #'τ1 #'τ2)
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(let ()
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(printf "τ1:\n")
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(pretty-print (syntax-debug-info (values #;syntax-local-introduce #'τ1)))
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(pretty-print (identifier-binding #'τ1))
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(printf "τ2:\n")
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(pretty-print (syntax-debug-info (values #;syntax-local-introduce #'τ2)))
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(pretty-print (identifier-binding #'τ2))
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#f))]
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[((~Role+Body (x) _ ...) (~Role+Body (y) _ ...))
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;; Extremely Coarse subtyping for Role types
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(type=? t1 t2)]
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;; TODO: clauses for Roles, effectful functions, and so on
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@ -1118,7 +1173,7 @@
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[(== irrelevant)
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#t]))]
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[_
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#f]))
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(type=? t1 t2)]))
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;; shortcuts for mapping
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(define ((<:l l) r)
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@ -1132,7 +1187,8 @@
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;; !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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(begin-for-syntax
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(current-typecheck-relation <:))
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(current-typecheck-relation <:)
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(current-check-relation <:))
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;; Flat-Type Flat-Type -> Type
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;; Intersection
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@ -1305,6 +1361,10 @@
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(and (flat-type? ty)
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(finite? ty))))
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#;(begin-for-syntax
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(require racket/trace)
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(trace instantiable?))
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(begin-for-syntax
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;; CONVENTION: Type variables for effects are prefixed with ρ
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(define (row-variable? x)
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[(_ [x:id x-:id τ e-] ...)
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#'(syndicate:field [x- e-] ...)]))
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(define-for-syntax KIND-TAG ':)
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(define-syntax (define/intermediate stx)
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(syntax-parse stx
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[(_ x:id x-:id τ e)
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;; including a syntax binding for x allows for module-top-level references
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;; (where walk/bind won't replace further uses) and subsequent provides
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#:with kind (detach #'τ ':)
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#'(begin-
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(define-syntax x
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(make-variable-like-transformer (add-orig (attach #'x- ': #'τ) #'x)))
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(make-variable-like-transformer (add-orig (attach #'x- ': (attach #'τ ': #'kind)) #'x)))
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(define- x- e))]))
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;; copied from ext-stlc
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@ -1569,13 +1631,13 @@
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;; solve for type variables Xs
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#:with [[e_arg- ...] Xs* cs] (solve #'Xs #'tyX_args this-syntax)
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;; make sure types are legal
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#:with tyXs (inst-types/cs #'Xs* #'cs #'Xs)
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#:with tyXs (ttc:inst-types/cs #'Xs* #'cs #'Xs)
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#:fail-unless (for/and ([ty (in-syntax #'tyXs)]
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[x (in-syntax #'Xs)])
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(instantiable? x ty))
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"type variables must be flat and finite"
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;; instantiate polymorphic function type
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#:with [τ_in ... τ_out] (inst-types/cs #'Xs* #'cs #'tyX_args)
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#:with [τ_in ... τ_out] (ttc:inst-types/cs #'Xs* #'cs #'tyX_args)
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#:with (unsolved-X ...) (find-free-Xs #'Xs* #'τ_out)
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;; arity check
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#:fail-unless (stx-length=? #'[τ_in ...] #'[e_arg ...])
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@ -1665,7 +1727,7 @@
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((current-type-eval) (get-expected-type stx)))
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(define initial-cs
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(if (and (syntax-e #'expected-ty) (stx-null? #'Vs))
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(add-constraints Xs '() (list (list #'expected-ty #'τ_outX)))
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(ttc:add-constraints Xs '() (list (list #'expected-ty #'τ_outX)))
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'()))
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(syntax-parse stx
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[(_ e_fn . args)
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|
@ -1673,7 +1735,7 @@
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(for/fold ([as- null] [cs initial-cs])
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([a (in-stx-list #'args)]
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[tyXin (in-stx-list #'(τ_inX ...))])
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(define ty_in (inst-type/cs/orig Xs cs tyXin datum=?))
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(define ty_in (ttc:inst-type/cs/orig Xs cs tyXin datum=?))
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(when (tyvar-under-union? Xs ty_in)
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(type-error #:src a
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#:msg (format "can't infer types with unions: ~a\nraw: ~a"
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|
@ -1688,8 +1750,8 @@
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(type->str #'ty_a) #'ty_a)))
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(values
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(cons #'a- as-)
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(add-constraints Xs cs (list (list ty_in #'ty_a))
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(list (list (inst-type/cs/orig
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(ttc:add-constraints Xs cs (list (list ty_in #'ty_a))
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(list (list (ttc:inst-type/cs/orig
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Xs cs ty_in
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datum=?)
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#'ty_a))))))
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|
@ -1739,9 +1801,9 @@
|
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(for/list ([X (in-list Xs)])
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(cond [(free-identifier=? X #'A) ctxt-variance]
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[else irrelevant]))]
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[(~Any tycons)
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[(~Any/new tycons)
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(stx-map (λ _ irrelevant) Xs)]
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[(~?∀ () (~Any tycons τ ...))
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[(~?∀ () (~Any/new tycons τ ...))
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#:when (get-arg-variances #'tycons)
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#:when (stx-length=? #'[τ ...] (get-arg-variances #'tycons))
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(define τ-ctxt-variances
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|
@ -1750,7 +1812,7 @@
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(for/fold ([acc (stx-map (λ _ irrelevant) Xs)])
|
||||
([τ (in-stx-list #'[τ ...])]
|
||||
[τ-ctxt-variance (in-list τ-ctxt-variances)])
|
||||
(map variance-join
|
||||
(map mvc:variance-join
|
||||
acc
|
||||
(find-variances Xs τ τ-ctxt-variance)))]
|
||||
[ty
|
||||
|
@ -1758,3 +1820,18 @@
|
|||
(stx-contains-id? #'ty X)))
|
||||
(stx-map (λ _ irrelevant) Xs)]
|
||||
[_ (stx-map (λ _ invariant) Xs)])))
|
||||
|
||||
#;(begin-for-syntax
|
||||
(define t #'Unit)
|
||||
(define t- ((current-type-eval) t))
|
||||
(displayln ((current-type?) t-))
|
||||
(define tt (syntax-parse (detach t- ':)
|
||||
[(#%plain-app x) #'x]))
|
||||
(pretty-print (syntax-debug-info tt)))
|
||||
|
||||
#;(begin-for-syntax
|
||||
(define t #'(→ Unit Unit))
|
||||
#;(define t #'(Actor Unit))
|
||||
(define t- ((current-type-eval) t))
|
||||
(values #;displayln ((current-type?) t-))
|
||||
(printf "flat-type? ~a\n" (flat-type? t-)))
|
||||
|
|
|
@ -14,7 +14,7 @@
|
|||
Branch Effs
|
||||
FacetName Field ★/t
|
||||
Observe Inbound Outbound Actor U ⊥
|
||||
Computation Value Endpoints Roles Spawns
|
||||
Computation Value Endpoints Roles Spawns Sends
|
||||
→fn proc
|
||||
;; Statements
|
||||
let let* if spawn dataspace start-facet set! begin stop begin/dataflow #;unsafe-do
|
||||
|
@ -84,6 +84,7 @@
|
|||
(require (for-meta 2 macrotypes/stx-utils racket/list syntax/stx syntax/parse racket/base))
|
||||
(require macrotypes/postfix-in)
|
||||
(require (for-syntax turnstile/mode))
|
||||
(require turnstile/typedefs)
|
||||
(require (postfix-in - racket/list))
|
||||
(require (postfix-in - racket/set))
|
||||
|
||||
|
@ -139,7 +140,7 @@
|
|||
(~and τ-k (~Know _))
|
||||
;; untyped syndicate might allow this - TODO
|
||||
#;(~and τ-m (~Sends _))
|
||||
(~and τ-r (~Reacts _ ...))
|
||||
(~and τ-r (~Reacts _ _ ...))
|
||||
~MakesField)
|
||||
...)
|
||||
ep-effects
|
||||
|
@ -204,7 +205,7 @@
|
|||
(⇒ ν-ep (~effs))
|
||||
(⇒ ν-s (~effs))
|
||||
(⇒ ν-f (~effs τ-f ...))]
|
||||
#:with τ (mk-Stop- #`(facet-name- τ-f ...))
|
||||
#:with τ #'(Stop facet-name- τ-f ...)
|
||||
---------------------------------------------------------------------------------
|
||||
[⊢ (syndicate:stop-facet facet-name- cont-) (⇒ : ★/t)
|
||||
(⇒ ν-f (τ))])
|
||||
|
@ -450,7 +451,7 @@
|
|||
#'τ]
|
||||
[(~U* τ ...)
|
||||
(mk-U- (stx-map instantiate-pattern-type #'(τ ...)))]
|
||||
[(~Any/bvs τ-cons () τ ...)
|
||||
[(~Any/new τ-cons τ ...)
|
||||
#:when (reassemblable? #'τ-cons)
|
||||
(define subitems (for/list ([t (in-syntax #'(τ ...))])
|
||||
(instantiate-pattern-type t)))
|
||||
|
@ -609,6 +610,12 @@
|
|||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
(module+ test
|
||||
(check-type
|
||||
(spawn (U (Observe (Tuple Int ★/t)))
|
||||
(start-facet echo
|
||||
(on (message (tuple 1 $x))
|
||||
#f)))
|
||||
: ★/t)
|
||||
(check-type (spawn (U (Message (Tuple String Int))
|
||||
(Observe (Tuple String ★/t)))
|
||||
(start-facet echo
|
||||
|
|
Loading…
Reference in New Issue