racket/collects/typed-scheme/tc-setup.rkt
2011-08-26 14:08:39 -04:00

74 lines
3.1 KiB
Racket

#lang racket/base
(require (rename-in "utils/utils.rkt" [infer r:infer])
(except-in syntax/parse id)
unstable/mutated-vars
racket/pretty
(optimizer optimizer)
(private type-contract)
(types utils convenience)
(typecheck typechecker provide-handling tc-toplevel)
(env tvar-env type-name-env type-alias-env)
(r:infer infer)
(utils tc-utils disarm)
(rep type-rep)
(except-in (utils utils) infer)
(only-in (r:infer infer-dummy) infer-param)
racket/match
(for-syntax racket/base)
(for-template racket/base))
(provide tc-setup invis-kw maybe-optimize)
(define-syntax-class invis-kw
#:literals (define-values define-syntaxes #%require #%provide begin)
(pattern (~or define-values define-syntaxes #%require #%provide begin)))
(define (maybe-optimize body)
;; do we optimize?
(if (optimize?)
(begin0 (map optimize-top (syntax->list body))
(do-time "Optimized"))
body))
(define-syntax-rule (tc-setup orig-stx stx expand-ctxt fully-expanded-stx checker result . body)
(let ()
(set-box! typed-context? #t)
;(start-timing (syntax-property stx 'enclosing-module-name))
(with-handlers
([(lambda (e) (and #f (exn:fail? e) (not (exn:fail:syntax? e))))
(lambda (e) (tc-error "Internal Typed Racket Error : ~a" e))])
(parameterize (;; enable fancy printing?
[custom-printer #t]
;; a cheat to avoid units
[infer-param infer]
;; do we report multiple errors
[delay-errors? #t]
;; do we print the fully-expanded syntax?
[print-syntax? #f]
;; this parameter is just for printing types
;; this is a parameter to avoid dependency issues
[current-type-names
(lambda ()
(append
(type-name-env-map (lambda (id ty)
(cons (syntax-e id) ty)))
(type-alias-env-map (lambda (id ty)
(cons (syntax-e id) ty)))))]
;; reinitialize disappeared uses
[disappeared-use-todo null]
[disappeared-bindings-todo null])
(do-time "Initialized Envs")
(let ([fully-expanded-stx (disarm* (local-expand stx expand-ctxt null))])
(when (show-input?)
(pretty-print (syntax->datum fully-expanded-stx)))
(do-time "Local Expand Done")
(parameterize ([mutated-vars (find-mutated-vars fully-expanded-stx)]
[orig-module-stx (or (orig-module-stx) orig-stx)]
[expanded-module-stx fully-expanded-stx]
[debugging? #f])
(do-time "Starting `checker'")
(let ([result (checker fully-expanded-stx)])
(do-time "Typechecking Done")
(let () . body))))))))