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simplify elisp symbol accessors
* module/language/elisp/boot.el (fset, symbol-value, symbol-function) (set, makunbound, fmakunbound, boundp, fboundp): Use procedures in `(language elisp runtime)'. (symbolp): New function. * module/language/elisp/compile-tree-il.scm (set-variable!): Use `set-symbol-function!'. * module/language/elisp/runtime.scm (reference-variable, set-variable!): Remove. (symbol-fluid, set-symbol-fluid!): New procedure. (symbol-value, set-symbol-value!, symbol-function) (set-symbol-function!, symbol-bound?, symbol-fbound?, makunbound!) (fmakunbound!): Moved from `(language elisp subrs)' and updated to avoid using `reference-variable' and `set-variable!'. * module/language/elisp/runtime/subrs.scm (symbol-value) (symbol-function, set, fset, makunbound, fmakunbound, boundp) (fboundp): Move to `(language elisp runtime)'. (apply): Use `symbol-function'.
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4 changed files with 92 additions and 99 deletions
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@ -31,7 +31,9 @@
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(defun funcall (function &rest arguments)
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(apply function arguments))
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(defun fset (symbol definition)
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(funcall (@ (language elisp runtime subrs) fset) symbol definition))
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(funcall (@ (language elisp runtime) set-symbol-function!)
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symbol
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definition))
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(defun null (object)
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(if object nil t))
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(fset 'consp (@ (guile) pair?))
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@ -115,13 +117,6 @@
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#'(lambda () ,bodyform)
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#'(lambda () ,@unwindforms)))
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(fset 'symbol-value (@ (language elisp runtime subrs) symbol-value))
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(fset 'symbol-function (@ (language elisp runtime subrs) symbol-function))
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(fset 'set (@ (language elisp runtime subrs) set))
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(fset 'makunbound (@ (language elisp runtime subrs) makunbound))
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(fset 'fmakunbound (@ (language elisp runtime subrs) fmakunbound))
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(fset 'boundp (@ (language elisp runtime subrs) boundp))
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(fset 'fboundp (@ (language elisp runtime subrs) fboundp))
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(fset 'eval (@ (language elisp runtime subrs) eval))
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(fset' load (@ (language elisp runtime subrs) load))
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@ -133,6 +128,17 @@
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(fset 'eq (@ (guile) eq?))
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(fset 'equal (@ (guile) equal?))
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;;; Symbols
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(fset 'symbolp (@ (guile) symbol?))
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(fset 'symbol-value (@ (language elisp runtime) symbol-value))
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(fset 'symbol-function (@ (language elisp runtime) symbol-function))
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(fset 'set (@ (language elisp runtime) set-symbol-value!))
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(fset 'makunbound (@ (language elisp runtime) makunbound!))
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(fset 'fmakunbound (@ (language elisp runtime) fmakunbound!))
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(fset 'boundp (@ (language elisp runtime) symbol-bound?))
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(fset 'fboundp (@ (language elisp runtime) symbol-fbound?))
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;;; Numerical type predicates
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(defun floatp (object)
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@ -198,8 +198,8 @@
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(lambda ()
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(make-application
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loc
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(make-module-ref loc runtime 'set-variable! #t)
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(list (make-const loc module) (make-const loc sym) value)))
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(make-module-ref loc runtime 'set-symbol-function! #t) ;++ fix
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(list (make-const loc sym) value)))
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(lambda (lexical) (make-lexical-set loc lexical lexical value))
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(lambda ()
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(mark-global! (fluid-ref bindings-data) sym module)
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@ -25,8 +25,16 @@
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function-slot-module
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elisp-bool
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ensure-fluid!
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reference-variable
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set-variable!
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symbol-fluid
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set-symbol-fluid!
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symbol-value
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set-symbol-value!
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symbol-function
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set-symbol-function!
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symbol-bound?
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symbol-fbound?
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makunbound!
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fmakunbound!
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runtime-error
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macro-error)
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#:export-syntax (defspecial prim))
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@ -77,31 +85,73 @@
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(module-define! resolved sym fluid)
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(module-export! resolved `(,sym))))))
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(define (reference-variable module sym)
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(let ((resolved (resolve-module module)))
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(cond
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((equal? module function-slot-module)
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(module-ref resolved sym))
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(else
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(ensure-fluid! module sym)
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(fluid-ref (module-ref resolved sym))))))
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(define (symbol-fluid symbol)
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(let ((module (resolve-module value-slot-module)))
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(ensure-fluid! value-slot-module symbol) ;++ implicit special proclamation
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(module-ref module symbol)))
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(define (set-variable! module sym value)
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(let ((intf (resolve-interface module))
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(resolved (resolve-module module)))
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(cond
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((equal? module function-slot-module)
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(cond
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((module-defined? intf sym)
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(module-set! resolved sym value))
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(else
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(module-define! resolved sym value)
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(module-export! resolved `(,sym)))))
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(else
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(ensure-fluid! module sym)
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(fluid-set! (module-ref resolved sym) value))))
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(define (set-symbol-fluid! symbol fluid)
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(let ((module (resolve-module value-slot-module)))
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(module-define! module symbol fluid)
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(module-export! module (list symbol)))
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fluid)
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(define (symbol-value symbol)
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(fluid-ref (symbol-fluid symbol)))
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(define (set-symbol-value! symbol value)
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(fluid-set! (symbol-fluid symbol) value)
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value)
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(define (symbol-function symbol)
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(let ((module (resolve-module function-slot-module)))
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(module-ref module symbol)))
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(define (set-symbol-function! symbol value)
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(let ((module (resolve-module function-slot-module)))
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(module-define! module symbol value)
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(module-export! module (list symbol)))
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value)
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(define (symbol-bound? symbol)
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(and
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(module-bound? (resolve-interface value-slot-module) symbol)
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(let ((var (module-variable (resolve-module value-slot-module)
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symbol)))
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(and (variable-bound? var)
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(if (fluid? (variable-ref var))
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(fluid-bound? (variable-ref var))
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#t)))))
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(define (symbol-fbound? symbol)
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(and
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(module-bound? (resolve-interface function-slot-module) symbol)
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(let* ((var (module-variable (resolve-module function-slot-module)
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symbol)))
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(and (variable-bound? var)
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(if (fluid? (variable-ref var))
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(fluid-bound? (variable-ref var))
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#t)))))
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(define (makunbound! symbol)
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(if (module-bound? (resolve-interface value-slot-module) symbol)
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(let ((var (module-variable (resolve-module value-slot-module)
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symbol)))
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(if (and (variable-bound? var) (fluid? (variable-ref var)))
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(fluid-unset! (variable-ref var))
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(variable-unset! var))))
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symbol)
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(define (fmakunbound! symbol)
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(if (module-bound? (resolve-interface function-slot-module) symbol)
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(let ((var (module-variable
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(resolve-module function-slot-module)
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symbol)))
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(if (and (variable-bound? var) (fluid? (variable-ref var)))
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(fluid-unset! (variable-ref var))
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(variable-unset! var))))
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symbol)
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;;; Define a predefined macro for use in the function-slot module.
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(define (make-id template-id . data)
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@ -22,80 +22,17 @@
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(define-module (language elisp runtime subrs)
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#:use-module (language elisp runtime)
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#:use-module (system base compile)
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#:export (symbol-value
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symbol-function
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set
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fset
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makunbound
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fmakunbound
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boundp
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fboundp
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apply
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#:export (apply
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eval
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load))
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;;; Accessing symbol bindings for symbols known only at runtime.
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(define (symbol-value sym)
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(reference-variable value-slot-module sym))
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(define (symbol-function sym)
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(reference-variable function-slot-module sym))
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(define (set sym value)
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(set-variable! value-slot-module sym value))
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(define (fset sym value)
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(set-variable! function-slot-module sym value))
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(define (makunbound sym)
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(if (module-bound? (resolve-interface value-slot-module) sym)
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(let ((var (module-variable (resolve-module value-slot-module)
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sym)))
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(if (and (variable-bound? var) (fluid? (variable-ref var)))
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(fluid-unset! (variable-ref var))
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(variable-unset! var))))
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sym)
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(define (fmakunbound sym)
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(if (module-bound? (resolve-interface function-slot-module) sym)
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(let ((var (module-variable
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(resolve-module function-slot-module)
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sym)))
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(if (and (variable-bound? var) (fluid? (variable-ref var)))
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(fluid-unset! (variable-ref var))
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(variable-unset! var))))
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sym)
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(define (boundp sym)
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(elisp-bool
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(and
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(module-bound? (resolve-interface value-slot-module) sym)
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(let ((var (module-variable (resolve-module value-slot-module)
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sym)))
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(and (variable-bound? var)
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(if (fluid? (variable-ref var))
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(fluid-bound? (variable-ref var))
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#t))))))
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(define (fboundp sym)
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(elisp-bool
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(and
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(module-bound? (resolve-interface function-slot-module) sym)
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(let* ((var (module-variable (resolve-module function-slot-module)
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sym)))
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(and (variable-bound? var)
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(if (fluid? (variable-ref var))
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(fluid-bound? (variable-ref var))
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#t))))))
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;;; Function calls. These must take care of special cases, like using
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;;; symbols or raw lambda-lists as functions!
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(define (apply func . args)
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(let ((real-func (cond
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((symbol? func)
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(reference-variable function-slot-module func))
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(symbol-function func))
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((list? func)
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(if (and (prim not (null? func))
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(eq? (prim car func) 'lambda))
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