src/module-parse.lisp: The direct-superclasses list is mandatory.

[sod] / src / module-parse.lisp

diff --git a/src/module-parse.lisp b/src/module-parse.lisp
index 83cc0add4590593e6fc18709989d0eb669ee2add..da1c47f15773c42a9e9e836cf7b8e891046feb6f 100644 (file)
--- a/src/module-parse.lisp
+++ b/src/module-parse.lisp
@@ -108,11 +108,14 @@   (define-module (pathname :location location :truename truename)
                                     :char-scanner char-scanner)))
        (with-default-error-location (scanner)
          (with-parser-context (token-scanner-context :scanner scanner)
                                     :char-scanner char-scanner)))
        (with-default-error-location (scanner)
          (with-parser-context (token-scanner-context :scanner scanner)

-           (parse (skip-many ()
-                    (seq ((pset (parse-property-set scanner))
-                          (nil (error ()
-                                 (plug module scanner pset))))
-                      (check-unused-properties pset))))))))))
+           (multiple-value-bind (result winp consumedp)
+               (parse (skip-many ()
+                         (seq ((pset (parse-property-set scanner))
+                               (nil (error ()
+                                      (plug module scanner pset))))
+                           (check-unused-properties pset))))
+             (declare (ignore consumedp))
+             (unless winp (syntax-error scanner result)))))))))

 
 (define-pluggable-parser module test (scanner pset)
   ;; `demo' string `;'
 
 (define-pluggable-parser module test (scanner pset)
   ;; `demo' string `;'


@@ -393,15 +396,15 @@ (defun parse-class-body (scanner pset name supers)
                 (add-to-module *module* class)))))))
 
 (define-pluggable-parser module class (scanner pset)
                 (add-to-module *module* class)))))))
 
 (define-pluggable-parser module class (scanner pset)

-  ;; `class' id [`:' id-list] class-body
+  ;; `class' id `:' id-list class-body

   ;; `class' id `;'
   (with-parser-context (token-scanner-context :scanner scanner)
     (parse (seq ("class"
                 (name :id)
                 (nil (or (seq (#\;)
                            (make-class-type name))
   ;; `class' id `;'
   (with-parser-context (token-scanner-context :scanner scanner)
     (parse (seq ("class"
                 (name :id)
                 (nil (or (seq (#\;)
                            (make-class-type name))

-                         (seq ((supers (? (seq (#\: (ids (list () :id #\,)))
-                                            ids)))
+                         (seq ((supers (seq (#\: (ids (list () :id #\,)))
+                                         ids))

                                (nil (parse-class-body
                                      scanner
                                      pset name supers)))))))))))
                                (nil (parse-class-body
                                      scanner
                                      pset name supers)))))))))))