Merged revisions 82552-82553 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r82552 | mark.dickinson | 2010-07-04 19:11:51 +0100 (Sun, 04 Jul 2010) | 2 lines

  Issue #9130: Fix validation of relative imports in parser module.
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  r82553 | mark.dickinson | 2010-07-04 19:15:26 +0100 (Sun, 04 Jul 2010) | 1 line

  Fix symbol numbers in test_parser test.
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diff --git a/Modules/parsermodule.c b/Modules/parsermodule.c
index b00037d..c9150d9 100644
--- a/Modules/parsermodule.c
+++ b/Modules/parsermodule.c
@@ -1763,8 +1763,8 @@
         return i-1;
 }
 
-/* 'from' ('.'* dotted_name | '.') 'import' ('*' | '(' import_as_names ')' |
- *     import_as_names
+/* import_from: ('from' ('.'* dotted_name | '.'+)
+ *               'import' ('*' | '(' import_as_names ')' | import_as_names))
  */
 static int
 validate_import_from(node *tree)
@@ -1774,7 +1774,8 @@
         int havename = (TYPE(CHILD(tree, ndots + 1)) == dotted_name);
         int offset = ndots + havename;
         int res = validate_ntype(tree, import_from)
-                && (nch >= 4 + ndots)
+                && (offset >= 1)
+                && (nch >= 3 + offset)
                 && validate_name(CHILD(tree, 0), "from")
                 && (!havename || validate_dotted_name(CHILD(tree, ndots + 1)))
                 && validate_name(CHILD(tree, offset + 1), "import");