X-Git-Url: http://git.hcoop.net/clinton/parenscript.git/blobdiff_plain/4b5d1808866be4ba1fd96ced56a35bbf67bcc5bb..cb8f8e58295db370220ad7c2f0f3d8d48fdc2442:/src/compilation-interface.lisp?ds=sidebyside diff --git a/src/compilation-interface.lisp b/src/compilation-interface.lisp dissimilarity index 98% index 6fee0a3..e148901 100644 --- a/src/compilation-interface.lisp +++ b/src/compilation-interface.lisp @@ -1,176 +1,35 @@ -(in-package :parenscript) - -(defmacro with-new-compilation-environment ((var) &body body) - `(let* ((,var (make-basic-compilation-environment)) - (*compilation-environment* ,var)) - ,@body)) - -(defun translate-ast (compiled-expr - &key - (comp-env *compilation-environment*) - (output-stream *standard-output*) - (output-spec :javascript) - (pretty-print t)) - "Translates a compiled Parenscript program (compiled with COMPILE-PAREN-FORM) -to a Javascript string. Outputs to the stream OUTPUT-STREAM in the language given -by OUTPUT-SPEC, pretty printing if PRETTY-PRINT is non-null. - -OUTPUT-SPEC must be :javascript at the moment." - (declare (ignore comp-env)) - (when (not (eql :javascript output-spec)) - (error "Unsupported output-spec for translation: ~A" output-spec)) - (when (eql :javascript output-spec) -; (if (not pretty-print) -; (js-translate compiled-expr :statement output-stream) - (write-string (string-join - (ps-js::js-to-statement-strings compiled-expr 0) - (string #\Newline)) - output-stream))) - -(defun non-nil-comp-env () - "Returns a sane compilation environment. Either the one currently bound or a new -one." - (or *compilation-environment* - (make-basic-compilation-environment))) - - -(defun compile-script (script-form - &key - (output-spec :javascript) - (pretty-print t) - (output-stream nil) - (toplevel-p t) - (comp-env (non-nil-comp-env))) - "Compiles the Parenscript form SCRIPT-FORM into the language specified by OUTPUT-SPEC. -Non-null PRETTY-PRINT values result in a pretty-printed output code. If OUTPUT-STREAM -is NIL, then the result is a string; otherwise code is output to the OUTPUT-STREAM stream. -COMP-ENV is the compilation environment in which to compile the form. - -This is the main function used by Parenscript users to compile their code to Javascript (and -potentially other languages)." - (macrolet ((with-output-stream ((var) &body body) - `(if (null output-stream) - (with-output-to-string (,var) - ,@body) - (let ((,var output-stream)) - ,@body)))) - (with-output-stream (stream) - (let* ((*compilation-environment* comp-env) - (compiled - (if toplevel-p - (compile-parenscript-form - comp-env - (compile-parenscript-form comp-env script-form :toplevel-p t)) - (compile-parenscript-form comp-env script-form :toplevel-p nil)))) - (translate-ast - compiled -; (compile-script-form script-form :comp-env comp-env) - :comp-env comp-env - :output-stream stream - :output-spec output-spec - :pretty-print pretty-print))))) - -(defun compile-script-file (source-file - &key - (output-spec :javascript) - (comp-env (non-nil-comp-env)) - (pretty-print t) - (output-stream *standard-output*)) - "Compiles the given Parenscript source file and outputs the results -to the given output stream." - (setf (comp-env-compiling-toplevel-p comp-env) t) - (with-open-file (input source-file :direction :input) - (let ((end-read-form '#:unique)) - (flet ((read-form () - (parenscript.reader:read input nil end-read-form))) - (macrolet ((with-output-stream ((var) &body body) - `(if (null output-stream) - (with-output-to-string (,var) - ,@body) - (let ((,var output-stream)) - ,@body)))) - (let* ((*compilation-environment* comp-env) - (compiled - (do ((form (read-form) (read-form)) - (compiled-forms nil)) - ((eql form end-read-form) - (compile-parenscript-form - comp-env - `(progn ,@(nreverse compiled-forms)) - :toplevel-p nil)) - (let ((tl-compiled-form - (compile-parenscript-form comp-env form :toplevel-p t))) - (push tl-compiled-form compiled-forms))))) - (with-output-stream (output) - (translate-ast - compiled - :comp-env comp-env - :output-stream output - :output-spec output-spec - :pretty-print pretty-print)))))))) - -(defun compile-script-system (system - &rest args - &key - (output-spec :javascript) - (pretty-print t) - (output-to-stream t) - (output-stream *standard-output*) - output-to-files ;; currently ignored - (comp-env (non-nil-comp-env))) - "Compiles a collection of parenscripts as described by an ASDF system into files or -a specified output stream." - (asdf:operate 'asdf::parenscript-compile-op system - :output-spec output-spec - :pretty-print pretty-print -; :output-to-stream t - :output-stream output-stream - :comp-env comp-env - :force-p t - )) - - -;(defun compile-script-system-component (system-designator - -;(defun compile-script-file (script-src-file -; &key -; (output-spec :javascript) -; (output-stream *standard-out*) -; (comp-env *compilation-environment*)) - - -;;; old file compilation functions: -(defun compile-parenscript-file-to-string (source-file) - "Compile SOURCE-FILE (a parenscript file) to a javascript string. (in-package ...) forms -behave as expected and all other forms are evaluated according to the value of -EVAL-FORMS-P. If the result of the evaluation is not nil then it's compiled with -js:js* and written to the output." - (compile-script-file source-file :output-stream nil)) - -(defun compile-parenscript-file (source-file &rest args &key destination-file &allow-other-keys) - "Compile SOURCE-FILE (a parenscript file) to a javascript file with -compile-parenscript-file-to-string. When DESTINATION-FILE is omitted, -then it will be named the same as SOURCE-FILE but with js extension." - (setf args (copy-list args)) - (remf args :destination-file) - (unless destination-file - (setf destination-file (merge-pathnames (make-pathname :type "js") - source-file))) - (with-open-file (output destination-file :if-exists :supersede :direction :output) - (write-string (apply #'compile-parenscript-file-to-string source-file args) output))) - -;;; SEXPs -> Javascript string functionality -(defmacro script (&body body) - "A macro that returns a Javascript string of the supplied Parenscript forms." - `(script* '(progn ,@body))) - -(defmacro ps (&body body) - `(script ,@body)) - -(defun script* (&rest body) - "Return the javascript string representing BODY. -Body is evaluated." - (compile-script `(progn ,@body))) - -(defmacro ps* (&body body) - `(script* ,@body)) +(in-package :parenscript) + +(defmacro ps (&body body) + "Given Parenscript forms (an implicit progn), compiles those forms +to a JavaScript string at macro-expansion time." + `(concatenate 'string ,@(parenscript-print (compile-parenscript-form `(progn ,@body) :expecting :statement)))) + +(defmacro ps-doc (&body body) + "Expands Parenscript forms in a clean environment." + (let ((*ps-gensym-counter* 0) + (*ps-special-variables* nil)) + (macroexpand-1 `(ps ,@body)))) + +(defun ps1* (ps-form) + (apply #'concatenate 'string + (mapcar (lambda (x) + (if (stringp x) + x + (eval x))) + (parenscript-print (compile-parenscript-form ps-form :expecting :statement))))) + +(defun ps* (&rest body) + "Compiles BODY to a JavaScript string. +Body is evaluated." + (ps1* `(progn ,@body))) + +(defvar *js-inline-string-delimiter* #\" + "Controls the string delimiter char used when compiling Parenscript in ps-inline.") + +(defun ps-inline* (form &optional (*js-string-delimiter* *js-inline-string-delimiter*)) + (concatenate 'string "javascript:" (ps1* form))) + +(defmacro ps-inline (form &optional (string-delimiter '*js-inline-string-delimiter*)) + `(let ((*js-string-delimiter* ,string-delimiter)) + (concatenate 'string "javascript:" ,@(parenscript-print (compile-parenscript-form form :expecting :statement)))))