whalesong/whalesong/selfhost/compiler/kernel-primitives.rkt
2014-08-19 22:50:52 +02:00

381 lines
13 KiB
Racket

#lang whalesong (require "../selfhost-lang.rkt")
(provide (all-defined-out))
(require "arity-structs.rkt"
"lexical-structs.rkt"
; "../type-helpers.rkt"
)
(: kernel-module-name? (ModuleLocator -> Boolean))
;; Produces true if the module is hardcoded.
(define (kernel-module-name? name)
(: kernel-locator? (ModuleLocator -> Boolean))
(define (kernel-locator? locator)
(or (and (eq? (ModuleLocator-name locator) '#%kernel)
(eq? (ModuleLocator-real-path locator) '#%kernel))
(eq? (ModuleLocator-name locator)
'whalesong/lang/kernel.rkt)
;; HACK HACK HACK
;; This is for srcloc:
(eq? (ModuleLocator-name locator)
'collects/racket/private/kernstruct.rkt)))
(: paramz-locator? (ModuleLocator -> Boolean))
(define (paramz-locator? locator)
(or (and (eq? (ModuleLocator-name locator) '#%paramz)
(eq? (ModuleLocator-real-path locator) '#%paramz))))
(: kernel-module-locator? (ModuleLocator -> Boolean))
;; Produces true if the given module locator should be treated as a primitive root one
;; that is implemented by us.
(define (kernel-module-locator? locator)
(or (kernel-locator? locator)
(paramz-locator? locator)))
(kernel-module-locator? name))
;; Given a kernel-labeled ModuleVariable, returns the kernel name for it.
(: kernel-module-variable->primitive-name (ModuleVariable -> Symbol))
(define (kernel-module-variable->primitive-name a-modvar)
;; FIXME: remap if the module is something else like whalesong/unsafe/ops
(ModuleVariable-name a-modvar))
(define-type OperandDomain (U 'number
'string
'vector
'box
'list
'pair
'caarpair
'any))
;; The following are primitives that the compiler knows about:
(define KernelPrimitiveNames (list '+
'-
'*
'/
'zero?
'add1
'sub1
'abs
'<
'<=
'=
'>
'>=
'cons
'car
'cdr
'caar
'cdar
'cadr
'cddr
'caaar
'cdaar
'cadar
'cddar
'caadr
'cdadr
'caddr
'cdddr
'caaaar
'cdaaar
'cadaar
'cddaar
'caadar
'cdadar
'caddar
'cdddar
'caaadr
'cdaadr
'cadadr
'cddadr
'caaddr
'cdaddr
'cadddr
'cddddr
'list
'list?
'list*
'list->vector
'vector->list
'vector
'vector-length
'vector-ref
'vector-set!
'make-vector
'equal?
'member
'memq
'memv
'memf
'append
'reverse
'length
'pair?
'null?
'not
'eq?
'eqv?
'remainder
'display
'newline
'call/cc
'box
'unbox
'set-box!
'string-append
'current-continuation-marks
'continuation-mark-set->list
'values
'call-with-values
'apply
'for-each
'current-print
'make-struct-type
'current-inspector
'make-struct-field-accessor
'make-struct-field-mutator
'gensym
'srcloc
'make-srcloc
'srcloc-source
'srcloc-line
'srcloc-column
'srcloc-position
'srcloc-span
'error
'raise-type-error
'raise-mismatch-error
'struct:exn:fail
'prop:exn:srclocs
'make-exn
'make-exn:fail
'make-exn:fail:contract
'make-exn:fail:contract:arity
'make-exn:fail:contract:variable
'make-exn:fail:contract:divide-by-zero
'exn:fail?
'exn:fail:contract?
'exn:fail:contract:arity?
'exn-message
'exn-continuation-marks
'hash?
'hash-equal?
'hash-eq?
'hash-eqv?
'hash
'hasheqv
'hasheq
'make-hash
'make-hasheqv
'make-hasheq
'make-immutable-hash
'make-immutable-hasheqv
'make-immutable-hasheq
'hash-copy
'hash-ref
'hash-has-key?
'hash-set!
'hash-set
'hash-remove!
'hash-remove
'equal-hash-code
'hash-count
'hash-keys
'hash-values
'string-copy
'unsafe-car
'unsafe-cdr
'continuation-prompt-available?
'abort-current-continuation
'call-with-continuation-prompt
))
; (define-predicate KernelPrimitiveName? KernelPrimitiveName)
(define (KernelPrimitiveName? s)
(member s KernelPrimitiveNames))
;; These are the primitives that we know how to inline.
(define KernelPrimitiveNames/Inline (list '+
'-
'*
'/
'zero?
'add1
'sub1
'<
'<=
'=
'>
'>=
'cons
'car
'caar
'cdr
'list
'list?
'pair?
'null?
'not
'eq?
'vector-ref
'vector-set!
))
(ensure-type-subsetof KernelPrimitiveName/Inline KernelPrimitiveName)
; (define-predicate KernelPrimitiveName/Inline? KernelPrimitiveName/Inline)
(define (KernelPrimitiveName/Inline? s)
(member s KernelPrimitiveNames/Inline))
(define-struct: IncorrectArity ([expected : Arity]))
(: kernel-primitive-expected-operand-types (KernelPrimitiveName/Inline Natural -> (U (Listof OperandDomain)
IncorrectArity)))
;; Given a primitive and the number of arguments, produces the list of expected domains.
;; TODO: do something more polymorphic.
(define (kernel-primitive-expected-operand-types prim arity)
(cond
[(eq? prim '+)
(build-list arity (lambda (i) 'number))]
[(eq? prim '-)
(cond [(> arity 0)
(build-list arity (lambda (i) 'number))]
[else
(make-IncorrectArity (make-ArityAtLeast 1))])]
[(eq? prim '*)
(build-list arity (lambda (i) 'number))]
[(eq? prim '/)
(cond [(> arity 0)
(build-list arity (lambda (i) 'number))]
[else
(make-IncorrectArity (make-ArityAtLeast 1))])]
[(eq? prim 'zero?)
(cond [(= arity 1)
(list 'number)]
[else
(make-IncorrectArity (make-ArityAtLeast 1))])]
[(eq? prim 'add1)
(cond [(= arity 1)
(list 'number)]
[else
(make-IncorrectArity (make-ArityAtLeast 1))])]
[(eq? prim 'sub1)
(cond [(= arity 1)
(list 'number)]
[else
(make-IncorrectArity (make-ArityAtLeast 1))])]
[(eq? prim '<)
(cond [(>= arity 2)
(build-list arity (lambda (i) 'number))]
[else
(make-IncorrectArity (make-ArityAtLeast 2))])]
[(eq? prim '<=)
(cond [(>= arity 2)
(build-list arity (lambda (i) 'number))]
[else
(make-IncorrectArity (make-ArityAtLeast 2))])]
[(eq? prim '=)
(cond [(>= arity 2)
(build-list arity (lambda (i) 'number))]
[else
(make-IncorrectArity (make-ArityAtLeast 2))])]
[(eq? prim '>)
(cond [(>= arity 2)
(build-list arity (lambda (i) 'number))]
[else
(make-IncorrectArity (make-ArityAtLeast 2))])]
[(eq? prim '>=)
(cond [(>= arity 2)
(build-list arity (lambda (i) 'number))]
[else
(make-IncorrectArity (make-ArityAtLeast 2))])]
[(eq? prim 'cons)
(list 'any 'any)]
[(eq? prim 'car)
(list 'pair)]
[(eq? prim 'caar)
(list 'caarpair)]
[(eq? prim 'cdr)
(list 'pair)]
[(eq? prim 'list)
(build-list arity (lambda (i) 'any))]
[(eq? prim 'list?)
(list 'any)]
[(eq? prim 'pair?)
(list 'any)]
[(eq? prim 'null?)
(list 'any)]
[(eq? prim 'not)
(list 'any)]
[(eq? prim 'eq?)
(list 'any 'any)]
[(eq? prim 'vector-ref)
(list 'vector 'number)]
[(eq? prim 'vector-set!)
(list 'vector 'number 'any)]))