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# Copyright (c) 2017-2026 Juancarlo Añez (apalala@gmail.com)
# SPDX-License-Identifier: BSD-4-Clause
from __future__ import annotations
from tatsu.exceptions import GrammarError
from tatsu.tool import compile
from tatsu.util.asjson import asjsons
def test_missing_rule():
grammar = """
@@grammar::TestGrammar
block = test ;
"""
try:
model = compile(grammar)
print('MODEL', asjsons(model))
model.parse('abc')
except GrammarError as e:
assert str(e) == 'Unknown rules, no parser generated:\ntest'
def test_missing_rules():
grammar = """
@@grammar::TestGrammar
block = test | test2;
"""
try:
model = compile(grammar)
print('MODEL', asjsons(model))
model.parse('abc')
except GrammarError as e:
assert str(e) == 'Unknown rules, no parser generated:\ntest\ntest2'
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