36 lines
939 B
Racket
36 lines
939 B
Racket
#lang typed/racket/base
|
|
|
|
|
|
(require "expression-structs.rkt"
|
|
"lexical-structs.rkt"
|
|
"kernel-primitives.rkt"
|
|
"il-structs.rkt")
|
|
|
|
|
|
(provide (all-defined-out))
|
|
|
|
|
|
;; Static knowledge about an expression.
|
|
;;
|
|
;; We try to keep at compile time a mapping from environment positions to
|
|
;; statically known things, to generate better code.
|
|
|
|
|
|
(define-type CompileTimeEnvironment (Listof CompileTimeEnvironmentEntry))
|
|
|
|
(define-type CompileTimeEnvironmentEntry
|
|
(U '? ;; no knowledge
|
|
Prefix ;; placeholder: necessary since the toplevel lives in the environment too
|
|
StaticallyKnownLam ;; The value is a known lam
|
|
ModuleVariable ;; The value is a known module variable
|
|
Const
|
|
))
|
|
|
|
|
|
(define-struct: StaticallyKnownLam ([name : (U Symbol LamPositionalName)]
|
|
[entry-point : Symbol]
|
|
[arity : Arity]) #:transparent)
|
|
|
|
|
|
|