Mikaela/Limnoria
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Added pipe syntax.

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This commit is contained in:
Jeremy Fincher 2003-09-07 09:41:47 +00:00
parent c07468e275
commit 315d8710dc
2 changed files with 24 additions and 1 deletions
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14
src/callbacks.py
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@ -192,7 +192,7 @@ class Tokenizer:
#
# These are the characters valid in a token. Everything printable except
# double-quote, left-bracket, and right-bracket.
validChars = string.ascii[33:].translate(string.ascii, '"[]')
validChars = string.ascii[33:].translate(string.ascii, '"[]|')
def __init__(self, tokens=''):
self.validChars = self.validChars.translate(string.ascii, tokens)
@ -224,17 +224,29 @@ class Tokenizer:
lexer.quotes = '"'
lexer.wordchars = self.validChars
args = []
ends = []
while True:
token = lexer.get_token()
#debug.printf(repr(token))
if not token:
break
elif token == '|':
if not args:
raise SyntaxError, '"|" with nothing preceding'
ends.append(args)
args = []
elif token == '[':
args.append(self.insideBrackets(lexer))
elif token == ']':
raise SyntaxError, 'Spurious "["'
else:
args.append(self.handleToken(token))
if ends:
if not args:
raise SyntaxError, '"|" with nothing following'
args.append(ends.pop())
while ends:
args[-1].append(ends.pop())
return args
def tokenize(s):

11
test/test_callbacks.py
View File

@ -81,6 +81,17 @@ class TokenizerTestCase(unittest.TestCase):
self.assertRaises(SyntaxError, tokenize, '[foo') #]
self.assertRaises(SyntaxError, tokenize, '"foo') #"
def testPipe(self):
self.assertRaises(SyntaxError, tokenize, '| foo')
self.assertRaises(SyntaxError, tokenize, 'foo ||bar')
self.assertRaises(SyntaxError, tokenize, 'bar |')
self.assertEqual(tokenize('foo | bar'), ['bar', ['foo']])
self.assertEqual(tokenize('foo | bar | baz'), ['baz', ['bar',['foo']]])
self.assertEqual(tokenize('foo bar | baz'), ['baz', ['foo', 'bar']])
self.assertEqual(tokenize('foo | bar baz'), ['bar', 'baz', ['foo']])
self.assertEqual(tokenize('foo bar | baz quux'),
['baz', 'quux', ['foo', 'bar']])
class FunctionsTestCase(unittest.TestCase):
def testCanonicalName(self):