def test_backslash(self):
grammar = r'main -> "\""'
code = create_code_for_nearley_grammar(grammar, 'main', BUILTIN_PATH, './')
d = {}
exec (code, d)
parse = d['parse']
parse(u'"')
def test_utf8(self):
grammar = u'main -> "±a"'
code = create_code_for_nearley_grammar(grammar, 'main', BUILTIN_PATH, './')
d = {}
exec (code, d)
parse = d['parse']
parse(u'±a')
def test_null(self):
grammar = r'main -> "a" | null'
code = create_code_for_nearley_grammar(grammar, 'main', BUILTIN_PATH, './')
d = {}
exec (code, d)
parse = d['parse']
parse('a')
parse('')
def test_include(self):
fn = os.path.join(NEARLEY_PATH, 'test/grammars/folder-test.ne')
with open(fn) as f:
grammar = f.read()
code = create_code_for_nearley_grammar(grammar, 'main', BUILTIN_PATH, os.path.dirname(fn))
d = {}
exec (code, d)
parse = d['parse']
parse('a')
parse('b')
def test_css(self):
fn = os.path.join(NEARLEY_PATH, 'examples/csscolor.ne')
with open(fn) as f:
grammar = f.read()
code = create_code_for_nearley_grammar(grammar, 'csscolor', BUILTIN_PATH, os.path.dirname(fn))
d = {}
exec (code, d)
parse = d['parse']
c = parse('#a199ff')
assert c['r'] == 161
assert c['g'] == 153
assert c['b'] == 255
c = parse('rgb(255, 70%, 3)')
assert c['r'] == 255
assert c['g'] == 178
assert c['b'] == 3
