Execution ends up with a runtime error

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What steps will reproduce the problem?
While running pyang on the attached example a runtime error occurs. The
grammar of the test case is not correct. The 'uses' statement is used under
the 'leaf'.

What do you see instead?
Traceback (most recent call last):
  File "/usr/bin/pyang", line 186, in <module>
    run()
  File "/usr/bin/pyang", line 139, in run
    module = ctx.add_module(filename, text)
  File "/usr/lib/python2.5/site-packages/pyang/__init__.py", line 44, in
add_module
    module = self._add_module(ref, text, format)
  File "/usr/lib/python2.5/site-packages/pyang/__init__.py", line 83, in
_add_module
    statements.validate_module(self, module)
  File "/usr/lib/python2.5/site-packages/pyang/statements.py", line 76, in
validate_module
    iterate(module, phase)
  File "/usr/lib/python2.5/site-packages/pyang/statements.py", line 39, in
iterate
    res = f(ctx, stmt)
  File "/usr/lib/python2.5/site-packages/pyang/statements.py", line 158, in
<lambda>
    ('expand_1', 'module'):lambda ctx, s: v_expand_1_children(ctx, s),
  File "/usr/lib/python2.5/site-packages/pyang/statements.py", line 910, in
v_expand_1_children
    v_expand_1_children(ctx, s)
  File "/usr/lib/python2.5/site-packages/pyang/statements.py", line 908, in
v_expand_1_children
    v_expand_1_children(ctx, s)
  File "/usr/lib/python2.5/site-packages/pyang/statements.py", line 905, in
v_expand_1_children
    v_expand_1_uses(ctx, s)
  File "/usr/lib/python2.5/site-packages/pyang/statements.py", line 916, in
v_expand_1_uses
    if stmt.i_grouping is None:
AttributeError: 'Statement' object has no attribute 'i_grouping'

What version of the product are you using? On what operating system?
pyang 0.9.3

Original issue reported on code.google.com by kur...@gmail.com on 18 Apr 2009 at 12:19

Attachments:

• cyclic-groupings.yang

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Original comment by mbj4...@gmail.com on 19 Apr 2009 at 11:01

• Changed state: Accepted

[GoogleCodeExporter]

Original comment by mbj4...@gmail.com on 20 Apr 2009 at 6:43

• Changed state: Fixed