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[jsinterp] More test and str fix

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This commit is contained in:
sulyi 2016-12-08 09:20:14 +01:00
parent 70a5e31014
commit 4999fcc646
2 changed files with 198 additions and 12 deletions
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208
test/test_jsinterp_parser.py
View File

@ -124,16 +124,44 @@ class TestJSInterpreterParser(unittest.TestCase):
)]
self.assertEqual(list(jsi.statements()), ast)
@unittest.skip('Already have a bunch of these')
def test_operators(self):
jsi = JSInterpreter('return 1 << 5;')
ast = []
ast = [
(Token.RETURN,
(Token.EXPR, [
(Token.ASSIGN, None, (Token.OPEXPR, [
(Token.MEMBER, (Token.INT, 1), None, None),
(Token.MEMBER, (Token.INT, 5), None, None),
(Token.OP, _OPERATORS['<<'][1])
]), None)
]))
]
self.assertEqual(list(jsi.statements()), ast)
jsi = JSInterpreter('return 19 & 21;')
ast = [
(Token.RETURN,
(Token.EXPR, [
(Token.ASSIGN, None, (Token.OPEXPR, [
(Token.MEMBER, (Token.INT, 19), None, None),
(Token.MEMBER, (Token.INT, 21), None, None),
(Token.OP, _OPERATORS['&'][1])
]), None)
]))
]
self.assertEqual(list(jsi.statements()), ast)
jsi = JSInterpreter('return 11 >> 2;')
ast = [
(Token.RETURN,
(Token.EXPR, [
(Token.ASSIGN, None, (Token.OPEXPR, [
(Token.MEMBER, (Token.INT, 11), None, None),
(Token.MEMBER, (Token.INT, 2), None, None),
(Token.OP, _OPERATORS['>>'][1])
]), None)
]))
]
self.assertEqual(list(jsi.statements()), ast)
def test_array_access(self):
@ -276,36 +304,194 @@ class TestJSInterpreterParser(unittest.TestCase):
]
self.assertEqual(list(jsi.statements()), ast)
@unittest.skip('Incomplete test case')
def test_assignments(self):
jsi = JSInterpreter('var x = 20; x = 30 + 1; return x;')
ast = []
ast = [
(Token.VAR, zip(
['x'],
[(Token.ASSIGN,
None,
(Token.OPEXPR, [(Token.MEMBER, (Token.INT, 20), None, None)]),
None)]
)),
(Token.EXPR, [
(Token.ASSIGN,
_ASSIGN_OPERATORS['='][1],
(Token.OPEXPR, [(Token.MEMBER, (Token.ID, 'x'), None, None)]),
(Token.ASSIGN, None, (Token.OPEXPR, [
(Token.MEMBER, (Token.INT, 30), None, None),
(Token.MEMBER, (Token.INT, 1), None, None),
(Token.OP, _OPERATORS['+'][1])
]),
None))
]),
(Token.RETURN, (Token.EXPR, [
(Token.ASSIGN, None,
(Token.OPEXPR, [
(Token.MEMBER, (Token.ID, 'x'), None, None)
]), None)
]))
]
self.assertEqual(list(jsi.statements()), ast)
jsi = JSInterpreter('var x = 20; x += 30 + 1; return x;')
ast = []
ast[1] = (Token.EXPR, [
(Token.ASSIGN,
_ASSIGN_OPERATORS['+='][1],
(Token.OPEXPR, [(Token.MEMBER, (Token.ID, 'x'), None, None)]),
(Token.ASSIGN, None, (Token.OPEXPR, [
(Token.MEMBER, (Token.INT, 30), None, None),
(Token.MEMBER, (Token.INT, 1), None, None),
(Token.OP, _OPERATORS['+'][1])
]),
None))
])
self.assertEqual(list(jsi.statements()), ast)
jsi = JSInterpreter('var x = 20; x -= 30 + 1; return x;')
ast = []
ast[1] = (Token.EXPR, [
(Token.ASSIGN,
_ASSIGN_OPERATORS['-='][1],
(Token.OPEXPR, [(Token.MEMBER, (Token.ID, 'x'), None, None)]),
(Token.ASSIGN, None, (Token.OPEXPR, [
(Token.MEMBER, (Token.INT, 30), None, None),
(Token.MEMBER, (Token.INT, 1), None, None),
(Token.OP, _OPERATORS['+'][1])
]),
None))
])
self.assertEqual(list(jsi.statements()), ast)
@unittest.skip('Incomplete test case')
def test_comments(self):
# var x = 2; var y = 50; return x + y;
jsi = JSInterpreter('var x = /* 1 + */ 2; var y = /* 30 * 40 */ 50; return x + y;')
ast = []
ast = [
(Token.VAR, zip(
['x'],
[(Token.ASSIGN,
None,
(Token.OPEXPR, [(Token.MEMBER, (Token.INT, 2), None, None)]),
None)]
)),
(Token.VAR, zip(
['y'],
[(Token.ASSIGN,
None,
(Token.OPEXPR, [(Token.MEMBER, (Token.INT, 50), None, None)]),
None)]
)),
(Token.RETURN, (Token.EXPR, [
(Token.ASSIGN, None,
(Token.OPEXPR, [
(Token.MEMBER, (Token.ID, 'x'), None, None),
(Token.MEMBER, (Token.ID, 'y'), None, None),
(Token.OP, _OPERATORS['+'][1])
]), None)
]))
]
self.assertEqual(list(jsi.statements()), ast)
# var x = "/*"; var y = 1 + 2; return y;
jsi = JSInterpreter('var x = "/*"; var y = 1 /* comment */ + 2; return y;')
ast = []
ast = [
(Token.VAR, zip(
['x'],
[(Token.ASSIGN,
None,
(Token.OPEXPR, [(Token.MEMBER, (Token.STR, '/*'), None, None)]),
None)]
)),
(Token.VAR, zip(
['y'],
[(Token.ASSIGN,
None,
(Token.OPEXPR, [
(Token.MEMBER, (Token.INT, 1), None, None),
(Token.MEMBER, (Token.INT, 2), None, None),
(Token.OP, _OPERATORS['+'][1])
]),
None)]
)),
(Token.RETURN, (Token.EXPR, [
(Token.ASSIGN, None,
(Token.OPEXPR, [(Token.MEMBER, (Token.ID, 'y'), None, None)]),
None)
]))
]
self.assertEqual(list(jsi.statements()), ast)
@unittest.skip('Incomplete test case')
def test_precedence(self):
jsi = JSInterpreter(' var a = [10, 20, 30, 40, 50]; var b = 6; a[0]=a[b%a.length]; return a;')
ast = []
ast = [
(Token.VAR,
zip(['a'],
[(Token.ASSIGN,
None,
(Token.OPEXPR, [
(Token.MEMBER, (Token.ARRAY, [
(Token.ASSIGN, None, (Token.OPEXPR, [
(Token.MEMBER, (Token.INT, 10), None, None)]), None),
(Token.ASSIGN, None, (Token.OPEXPR, [
(Token.MEMBER, (Token.INT, 20), None, None)]), None),
(Token.ASSIGN, None, (Token.OPEXPR, [
(Token.MEMBER, (Token.INT, 30), None, None)]), None),
(Token.ASSIGN, None, (Token.OPEXPR, [
(Token.MEMBER, (Token.INT, 40), None, None)]), None),
(Token.ASSIGN, None, (Token.OPEXPR, [
(Token.MEMBER, (Token.INT, 50), None, None)]), None)
]), None, None),
]),
None)
])
),
(Token.VAR,
zip(['b'],
[(Token.ASSIGN, None, (Token.OPEXPR, [(Token.MEMBER, (Token.INT, 6), None, None)]), None)]
)
),
(Token.EXPR, [
(Token.ASSIGN,
_ASSIGN_OPERATORS['='][1],
(Token.OPEXPR, [
(Token.MEMBER, (Token.ID, 'a'),
None,
(Token.ELEM,
(Token.EXPR, [
(Token.ASSIGN,
None,
(Token.OPEXPR, [(Token.MEMBER, (Token.INT, 0), None, None)]),
None)
]),
None))
]),
(Token.ASSIGN,
None,
(Token.OPEXPR, [
(Token.MEMBER, (Token.ID, 'a'),
None,
(Token.ELEM, (Token.EXPR, [
(Token.ASSIGN, None, (Token.OPEXPR, [
(Token.MEMBER, (Token.ID, 'b'), None, None),
(Token.MEMBER, (Token.ID, 'a'), None, (Token.FIELD, 'length', None)),
(Token.OP, _OPERATORS['%'][1])
]), None)]),
None))
]),
None)
)
]),
(Token.RETURN,
(Token.EXPR, [
(Token.ASSIGN, None, (Token.OPEXPR, [(Token.MEMBER, (Token.ID, 'a'), None, None)]), None)
])
)
]
self.assertEqual(list(jsi.statements()), ast)
@unittest.skip('Parsing function declaration not yet implemented')

2
youtube_dl/jsinterp/tstream.py
View File

@ -120,7 +120,7 @@ class TokenStream(object):
elif token_id is Token.BOOL:
yield (token_id, {'true': True, 'false': False}[token_value], pos)
elif token_id is Token.STR:
yield (token_id, token_value, pos)
yield (token_id, token_value[1:-1], pos)
elif token_id is Token.INT:
yield (token_id, int(token_value), pos)
elif token_id is Token.FLOAT: