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;;; This defines all core symbols.
;;; Core symbols are stored in global variables. The core-symbol
;;; macro just turns a string into a variable name.
(define-syntax (core-symbol str)
(make-core-symbol-name str))
(define (make-core-symbol-name str)
(string->symbol (string-append "*core-" str "*")))
(define (symbol->core-var name)
(make-core-symbol-name (symbol->string name)))
(define (get-core-var-names vars type)
(let ((res (assq type vars)))
(if (eq? res '#f)
'()
(map (function string->symbol) (tuple-2-2 res)))))
;;; This is just used to create a define for each var without a
;;; value.
(define-syntax (define-core-variables)
`(begin
,@(define-core-variables-1 *haskell-prelude-vars*)
,@(define-core-variables-1 *haskell-noncore-vars*)))
(define (define-core-variables-1 vars)
(concat (map (lambda (ty)
(map (function init-core-symbol)
(get-core-var-names vars ty)))
'(classes methods types constructors synonyms values))))
(define (init-core-symbol sym)
`(define ,(symbol->core-var sym) '()))
(define-syntax (create-core-globals)
`(begin
(begin ,@(create-core-defs *haskell-prelude-vars* '#t))
(begin ,@(create-core-defs *haskell-noncore-vars* '#f))))
(define (create-core-defs defs prelude-core?)
`(,@(map (lambda (x) (define-core-value x prelude-core?))
(get-core-var-names defs 'values))
,@(map (lambda (x) (define-core-method x prelude-core?))
(get-core-var-names defs 'methods))
,@(map (lambda (x) (define-core-synonym x prelude-core?))
(get-core-var-names defs 'synonyms))
,@(map (lambda (x) (define-core-class x prelude-core?))
(get-core-var-names defs 'classes))
,@(map (lambda (x) (define-core-type x prelude-core?))
(get-core-var-names defs 'types))
,@(map (lambda (x) (define-core-constr x prelude-core?))
(get-core-var-names defs 'constructors))))
(define (define-core-value name pc?)
`(setf ,(symbol->core-var name)
(make-core-value-definition ',name ',pc?)))
(define (make-core-value-definition name pc?)
(install-core-sym
(make var (name name) (module '|*Core|) (unit '|*Core|))
name
pc?))
(define (define-core-method name pc?)
`(setf ,(symbol->core-var name)
(make-core-method-definition ',name ',pc?)))
(define (make-core-method-definition name pc?)
(install-core-sym
(make method-var (name name) (module '|*Core|) (unit '|*Core|))
name
pc?))
(define (define-core-class name pc?)
`(setf ,(symbol->core-var name)
(make-core-class-definition ',name ',pc?)))
(define (make-core-class-definition name pc?)
(install-core-sym
(make class (name name) (module '|*Core|) (unit '|*Core|))
name
pc?))
(define (define-core-synonym name pc?)
`(setf ,(symbol->core-var name)
(make-core-synonym-definition ',name ',pc?)))
(define (make-core-synonym-definition name pc?)
(install-core-sym
(make synonym (name name) (module '|*Core|) (unit '|*Core|))
name
pc?))
(define (define-core-type name pc?)
`(setf ,(symbol->core-var name)
(make-core-type-definition ',name ',pc?)))
(define (make-core-type-definition name pc?)
(install-core-sym
(make algdata (name name) (module '|*Core|) (unit '|*Core|))
name
pc?))
(define (define-core-constr name pc?)
`(setf ,(symbol->core-var name)
(make-core-constr-definition ',name ',pc?)))
(define (make-core-constr-definition name pc?)
(setf name (add-con-prefix/symbol name))
(install-core-sym
(make con (name name) (module '|*Core|) (unit '|*Core|))
name
pc?))
(define (install-core-sym def name preludecore?)
(setf (def-core? def) '#t)
(when preludecore?
(setf (def-prelude? def) '#t))
(setf (table-entry (dynamic *core-symbols*) name) def)
(when preludecore?
(setf (table-entry (dynamic *prelude-core-symbols*) name) def))
def)
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