def test_error_info():
tokenize = make_tokenizer([
Spec('keyword', r'(is|end)'),
Spec('id', r'[a-z]+'),
Spec('space', r'[ \t]+'),
Spec('nl', r'[\n\r]+'),
])
try:
list(tokenize('f is ф'))
except LexerError as e:
pass
else:
ok_(False, 'must raise LexerError')
keyword = lambda s: tok('keyword', s)
id = tok('id')
is_ = keyword('is')
end = keyword('end')
nl = tok('nl')
equality = id + skip(is_) + id >> tuple
expr = equality + skip(nl)
file = many(expr) + end
msg = """\
rake is eggs
eggs isnt spam
end"""
toks = [x for x in tokenize(msg) if x.type != 'space']
try:
file.parse(toks)
except ParserError as e:
msg, pos, i = e.args
eq_(msg, "got unexpected token: id 'spam'")
eq_(pos, ((2, 11), (2, 14)))
# May raise KeyError
t = toks[i]
eq_(t, Token('id', 'spam'))
else:
ok_(False, 'must raise ParserError')
def test_error_info():
tokenize = make_tokenizer([
Spec('keyword', r'(is|end)'),
Spec('id', r'[a-z]+'),
Spec('space', r'[ \t]+'),
Spec('nl', r'[\n\r]+'),
])
try:
list(tokenize('f is ф'))
except LexerError as e:
pass
else:
ok_(False, 'must raise LexerError')
keyword = lambda s: tok('keyword', s)
id = tok('id')
is_ = keyword('is')
end = keyword('end')
nl = tok('nl')
equality = id + skip(is_) + id >> tuple
expr = equality + skip(nl)
file = many(expr) + end
msg = """\
rake is eggs
eggs isnt spam
end"""
toks = [x for x in tokenize(msg) if x.type != 'space']
try:
file.parse(toks)
except ParserError as e:
msg, pos, i = e.args
eq_(msg, "got unexpected token: id 'spam'")
eq_(pos, ((2, 11), (2, 14)))
# May raise KeyError
t = toks[i]
eq_(t, Token('id', 'spam'))
else:
ok_(False, 'must raise ParserError')
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
from funcparserlib.parser import skip, tok
from functools import reduce
__all__ = [
'const', 'flatten', 'unarg', 'tokval', 'mktok', 'n', 'op', 'op_', 'sometok',
'sometoks',
]
# Well-known functions
const = lambda x: lambda _: x
flatten = lambda list: sum(list, [])
unarg = lambda f: lambda args: f(*args)
# Auxiliary functions for lexers
tokval = lambda tok: tok.value
# Auxiliary functions for parsers
mktok = lambda type: lambda value: tok(type, value) >> tokval
n = mktok('name')
op = mktok('op')
op_ = lambda s: skip(op(s))
sometok = lambda type: tok(type) >> tokval
sometoks = lambda types: reduce(lambda p, type: p | tok(type)
if p else tok(type),
types,
None) >> tokval
# Issue 14
def test_error_info():
tokenize = make_tokenizer([
Spec('keyword', r'(is|end)'),
Spec('id', r'[a-z]+'),
Spec('space', r'[ \t]+'),
Spec('nl', r'[\n\r]+'),
])
try:
list(tokenize(u'f is ф'))
except LexerError, e:
eq_(unicode(e), u'1,6-1,6: cannot tokenize data: "f is \u0444"')
else:
ok_(False, 'must raise LexerError')
keyword = lambda s: tok('keyword', s)
id = tok('id')
is_ = keyword('is')
end = keyword('end')
nl = tok('nl')
equality = id + skip(is_) + id >> tuple
expr = equality + skip(nl)
file = many(expr) + end
msg = """\
spam is eggs
eggs isnt spam
end"""
toks = [x for x in tokenize(msg) if x.type != 'space']
# Issue 14
def test_error_info():
tokenize = make_tokenizer([
Spec('keyword', r'(is|end)'),
Spec('id', r'[a-z]+'),
Spec('space', r'[ \t]+'),
Spec('nl', r'[\n\r]+'),
])
try:
list(tokenize(u'f is ф'))
except LexerError, e:
eq_(unicode(e), u'1,6-1,6: cannot tokenize data: "f is \u0444"')
else:
ok_(False, 'must raise LexerError')
keyword = lambda s: tok('keyword', s)
id = tok('id')
is_ = keyword('is')
end = keyword('end')
nl = tok('nl')
equality = id + skip(is_) + id >> tuple
expr = equality + skip(nl)
file = many(expr) + end
msg = """\
spam is eggs
eggs isnt spam
end"""
toks = [x for x in tokenize(msg) if x.type != 'space']
