diff options
| -rw-r--r-- | module/language/elisp/boot.el | 12 | ||||
| -rw-r--r-- | module/language/elisp/compile-tree-il.scm | 12 |
2 files changed, 24 insertions, 0 deletions
diff --git a/module/language/elisp/boot.el b/module/language/elisp/boot.el index bef4c1d7c..fe9af290f 100644 --- a/module/language/elisp/boot.el +++ b/module/language/elisp/boot.el @@ -41,6 +41,18 @@ (eval-when-compile ,@body) (progn ,@body))) +(defmacro %define-compiler-macro (name args &rest body) + `(eval-and-compile + (%funcall + (@ (language elisp runtime) set-symbol-plist!) + ',name + (%funcall + (@ (guile) cons*) + '%compiler-macro + #'(lambda ,args ,@body) + (%funcall (@ (language elisp runtime) symbol-plist) ',name))) + ',name)) + (eval-and-compile (defun eval (form) (%funcall (@ (language elisp runtime) eval-elisp) form))) diff --git a/module/language/elisp/compile-tree-il.scm b/module/language/elisp/compile-tree-il.scm index 8a78d3970..3cbd29740 100644 --- a/module/language/elisp/compile-tree-il.scm +++ b/module/language/elisp/compile-tree-il.scm @@ -801,6 +801,11 @@ (make-void loc)) (else (report-error loc "bad %set-lexical-binding-mode" args)))) +(define (eget s p) + (if (symbol-fbound? 'get) + ((symbol-function 'get) s p) + #nil)) + ;;; Compile a compound expression to Tree-IL. (define (compile-pair loc expr) @@ -813,6 +818,13 @@ ((find-operator operator 'macro) => (lambda (macro-function) (compile-expr (apply macro-function arguments)))) + ((and (symbol? operator) + (eget operator '%compiler-macro)) + => (lambda (compiler-macro-function) + (let ((new (compiler-macro-function expr))) + (if (eq? new expr) + (compile-expr `(%funcall (%function ,operator) ,@arguments)) + (compile-expr new))))) (else (compile-expr `(%funcall (%function ,operator) ,@arguments)))))) |