def viz(ctx, grammar_file):
debug = ctx.obj['debug']
colors = ctx.obj['colors']
t.colors = colors
grammar, table = check_get_grammar_table(grammar_file, debug, colors)
prints("Generating '%s.dot' file for the grammar PDA." % grammar_file)
prints("Use dot viewer (e.g. xdot) "
"or convert to pdf by running 'dot -Tpdf -O %s.dot'" % grammar_file)
t.colors = False
grammar_pda_export(table, "%s.dot" % grammar_file)
def test_dot_export():
grammar = 'S: S S | S S S | "b";'
g = Grammar.from_string(grammar)
table = create_table(g)
f, file_name = mkstemp()
grammar_pda_export(table, file_name)
assert os.path.exists(file_name)
with open(file_name) as f:
assert 'label' in f.read()
os.remove(file_name)
def test_dot_export():
grammar = 'S: S S | S S S | "b";'
g = Grammar.from_string(grammar)
table = create_table(g)
tmp_dir = tempfile.mkdtemp()
file_name = os.path.join(tmp_dir, 'testexport.dot')
grammar_pda_export(table, file_name)
with open(file_name) as f:
assert 'label' in f.read()
os.remove(file_name)
os.rmdir(tmp_dir)
