Fixing regexp parser bug: now R/ foo/5 makes an error

2009-04-12 13:57:49 -05:00 · 2009-04-12 13:57:49 -05:00 · 541ce3aa68
parent 87e4598581
commit 541ce3aa68
1 changed files with 3 additions and 1 deletions
--- a/basis/regexp/parser/parser.factor
+++ b/basis/regexp/parser/parser.factor
@ -102,8 +102,10 @@ MEMO: simple-category-table ( -- table )
        { CHAR: s dotall }
    } ;

+ERROR: nonexistent-option name ;
+
 : ch>option ( ch -- singleton )
-    options-assoc at ;
+    dup options-assoc at [ ] [ nonexistent-option ] ?if ;

 : option>ch ( option -- string )
    options-assoc value-at ;