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authorJose Antonio Ortega Ruiz <jao@gnu.org>2009-04-26 21:14:49 +0200
committerJose Antonio Ortega Ruiz <jao@gnu.org>2009-04-26 21:14:49 +0200
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parent2e9d01f42864f8683032a1a1d54419c984844b29 (diff)
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PLT: source locations.
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+;; locations.ss -- locating symbols
+
+;; Copyright (C) 2009 Jose Antonio Ortega Ruiz
+
+;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org>
+;; Start date: Sun Apr 26, 2009 19:43
+
+;; This file 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 3 of the License, or
+;; (at your option) any later version.
+
+;; This file 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, see <http://www.gnu.org/licenses/>.
+
+;;; Comentary:
+
+;; Finding symbol location
+
+;;; Code:
+
+#lang scheme
+
+(provide symbol-location)
+
+(define (%symbol-location sym)
+ (let ([binding (identifier-binding sym)])
+ (and (list? binding)
+ (resolved-module-path-name
+ (module-path-index-resolve (car binding))))))
+
+(define (symbol-location sym)
+ (let ((file (%symbol-location (namespace-symbol->identifier sym))))
+ (list (cons 'file (if (path? file) (path->string file) '())))))
+
+;;; locations.ss ends here