def test_soft_keywords(self) -> None:
grammar_source = """
start: expr+ NEWLINE? ENDMARKER
expr: "foo"
"""
grammar = parse_string(grammar_source, GrammarParser)
parser_source = generate_c_parser_source(grammar)
assert "expect_soft_keyword" in parser_source
def test_extension_name(tmp_path: PurePath) -> None:
grammar_source = """
@modulename 'alternative_name'
start: expr+ NEWLINE? ENDMARKER
expr: x=NAME
"""
grammar = parse_string(grammar_source, GrammarParser)
parser_source = generate_c_parser_source(grammar)
assert "PyInit_alternative_name" in parser_source
assert '.m_name = "alternative_name"' in parser_source
def test_headers_and_trailer(tmp_path: PurePath) -> None:
grammar_source = """
@header 'SOME HEADER'
@subheader 'SOME SUBHEADER'
@trailer 'SOME TRAILER'
start: expr+ NEWLINE? ENDMARKER
expr: x=NAME
"""
grammar = parse_string(grammar_source, GrammarParser)
parser_source = generate_c_parser_source(grammar)
assert "SOME HEADER" in parser_source
assert "SOME SUBHEADER" in parser_source
assert "SOME TRAILER" in parser_source
