def test_trace_drop(self):
lang = r"""
@ literalws = right
@ drop = strings, whitespace
expression = term { ("+" | "-") term}
term = factor { ("*"|"/") factor}
factor = number | variable | "(" expression ")"
| constant | fixed
variable = /[a-z]/~
number = /\d+/~
constant = "A" | "B"
fixed = "X"
"""
set_config_value('compiled_EBNF_log', 'test_trace_parser.py')
gr = grammar_provider(lang)()
all_desc = all_descendants(gr.root_parser__)
set_tracer(all_desc, trace_history)
# st = gr('2*(3+4)')
st = gr('2*(3 + 4*(5 + 6*(7 + 8 + 9*2 - 1/5*1000) + 2) + 5000 + 4000)')
serialization = st.serialize()
assert '*' not in serialization # same for '/', '+', '-'
log_parsing_history(gr, 'trace_drop')
history_file = get_history('trace_drop')
assert "DROP" in history_file
assert "FAIL" in history_file
assert "MATCH" in history_file
parser.add_argument('-d', '--debug', action='store_const', const='debug')
parser.add_argument('-x', '--xml', action='store_const', const='xml')
args = parser.parse_args()
file_name, log_dir = args.files[0], ''
if not os.path.exists(file_name):
print('File "%s" not found!' % file_name)
sys.exit(1)
if not os.path.isfile(file_name):
print('"%s" is not a file!' % file_name)
sys.exit(1)
if args.debug is not None:
log_dir = 'LOGS'
set_config_value('history_tracking', True)
set_config_value('resume_notices', True)
set_config_value('log_syntax_trees',
set(['cst', 'ast'])) # don't use a set literal, here
start_logging(log_dir)
result, errors, _ = compile_src(file_name)
if errors:
cwd = os.getcwd()
rel_path = file_name[len(cwd):] if file_name.startswith(
cwd) else file_name
for error in errors:
print(rel_path + ':' + str(error))
sys.exit(1)
else:
parser.add_argument('-d', '--debug', action='store_const', const='debug')
parser.add_argument('-x', '--xml', action='store_const', const='xml')
args = parser.parse_args()
file_name, log_dir = args.files[0], ''
if not os.path.exists(file_name):
print('File "%s" not found!' % file_name)
sys.exit(1)
if not os.path.isfile(file_name):
print('"%" is not a file!' % file_name)
sys.exit(1)
if args.debug is not None:
log_dir = 'LOGS'
set_config_value('history_tracking', True)
set_config_value('resume_notices', True)
set_config_value('log_syntax_trees', set(('cst', 'ast')))
start_logging(log_dir)
result, errors, _ = compile_src(file_name)
if errors:
cwd = os.getcwd()
rel_path = file_name[len(cwd):] if file_name.startswith(
cwd) else file_name
for error in errors:
print(rel_path + ':' + str(error))
sys.exit(1)
else:
print(
result.serialize(how='default' if args.xml is None else 'xml'
) if isinstance(result, Node) else result)
