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Diffstat (limited to 'src/stklos/eval.stk')
| -rw-r--r-- | src/stklos/eval.stk | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/src/stklos/eval.stk b/src/stklos/eval.stk deleted file mode 100644 index 3acace9..0000000 --- a/src/stklos/eval.stk +++ /dev/null @@ -1,149 +0,0 @@ -;;;; -;;;; eval.stk -- Skribe Evaluator -;;;; -;;;; Copyright © 2003-2004 Erick Gallesio - I3S-CNRS/ESSI <eg@essi.fr> -;;;; -;;;; -;;;; This program is free software; you can redistribute it and/or modify -;;;; it under the terms of the GNU General Public License as published by -;;;; the Free Software Foundation; either version 2 of the License, or -;;;; (at your option) any later version. -;;;; -;;;; This program is distributed in the hope that it will be useful, -;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of -;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -;;;; GNU General Public License for more details. -;;;; -;;;; You should have received a copy of the GNU General Public License -;;;; along with this program; if not, write to the Free Software -;;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, -;;;; USA. -;;;; -;;;; Author: Erick Gallesio [eg@essi.fr] -;;;; Creation date: 27-Jul-2003 09:15 (eg) -;;;; Last file update: 28-Oct-2004 15:05 (eg) -;;;; - - -;; FIXME; On peut implémenter maintenant skribe-warning/node - - -(define-module SKRIBE-EVAL-MODULE - (import SKRIBE-DEBUG-MODULE SKRIBE-ENGINE-MODULE SKRIBE-VERIFY-MODULE - SKRIBE-RESOLVE-MODULE SKRIBE-OUTPUT-MODULE) - (export skribe-eval skribe-eval-port skribe-load skribe-load-options - skribe-include) - - -(define *skribe-loaded* '()) ;; List of already loaded files -(define *skribe-load-options* '()) - -(define (%evaluate expr) - (with-handler - (lambda (c) - (flush-output-port (current-error-port)) - (raise c)) - (eval expr (find-module 'STklos)))) - -;;; -;;; SKRIBE-EVAL -;;; -(define (skribe-eval a e :key (env '())) - (with-debug 2 'skribe-eval - (debug-item "a=" a " e=" (engine-ident e)) - (let ((a2 (resolve! a e env))) - (debug-item "resolved a=" a) - (let ((a3 (verify a2 e))) - (debug-item "verified a=" a3) - (output a3 e))))) - -;;; -;;; SKRIBE-EVAL-PORT -;;; -(define (skribe-eval-port port engine :key (env '())) - (with-debug 2 'skribe-eval-port - (debug-item "engine=" engine) - (let ((e (if (symbol? engine) (find-engine engine) engine))) - (debug-item "e=" e) - (if (not (is-a? e <engine>)) - (skribe-error 'skribe-eval-port "Cannot find engine" engine) - (let loop ((exp (read port))) - (with-debug 10 'skribe-eval-port - (debug-item "exp=" exp)) - (unless (eof-object? exp) - (skribe-eval (%evaluate exp) e :env env) - (loop (read port)))))))) - -;;; -;;; SKRIBE-LOAD -;;; -(define *skribe-load-options* '()) - -(define (skribe-load-options) - *skribe-load-options*) - -(define (skribe-load file :rest opt :key engine path) - (with-debug 4 'skribe-load - (debug-item " engine=" engine) - (debug-item " path=" path) - (debug-item " opt" opt) - - (let* ((ei (cond - ((not engine) *skribe-engine*) - ((engine? engine) engine) - ((not (symbol? engine)) (skribe-error 'skribe-load - "Illegal engine" engine)) - (else engine))) - (path (cond - ((not path) (skribe-path)) - ((string? path) (list path)) - ((not (and (list? path) (every? string? path))) - (skribe-error 'skribe-load "Illegal path" path)) - (else path))) - (filep (find-path file path))) - - (set! *skribe-load-options* opt) - - (unless (and (string? filep) (file-exists? filep)) - (skribe-error 'skribe-load - (format "Cannot find ~S in path" file) - *skribe-path*)) - - ;; Load this file if not already done - (unless (member filep *skribe-loaded*) - (cond - ((> *skribe-verbose* 1) - (format (current-error-port) " [loading file: ~S ~S]\n" filep opt)) - ((> *skribe-verbose* 0) - (format (current-error-port) " [loading file: ~S]\n" filep))) - ;; Load it - (with-input-from-file filep - (lambda () - (skribe-eval-port (current-input-port) ei))) - (set! *skribe-loaded* (cons filep *skribe-loaded*)))))) - -;;; -;;; SKRIBE-INCLUDE -;;; -(define (skribe-include file :optional (path (skribe-path))) - (unless (every string? path) - (skribe-error 'skribe-include "Illegal path" path)) - - (let ((path (find-path file path))) - (unless (and (string? path) (file-exists? path)) - (skribe-error 'skribe-load - (format "Cannot find ~S in path" file) - path)) - (when (> *skribe-verbose* 0) - (format (current-error-port) " [including file: ~S]\n" path)) - (with-input-from-file path - (lambda () - (let Loop ((exp (read (current-input-port))) - (res '())) - (if (eof-object? exp) - (if (and (pair? res) (null? (cdr res))) - (car res) - (reverse! res)) - (Loop (read (current-input-port)) - (cons (%evaluate exp) res)))))))) -)
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