63 lines
2.7 KiB
Python
63 lines
2.7 KiB
Python
from __future__ import unicode_literals
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from youtube_dl.jsinterp2.jsgrammar import Token
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from youtube_dl.jsinterp2.tstream import _ASSIGN_OPERATORS
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skip = {
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'jsinterp': 'not supported',
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'interpret': 'Interpreting function expression is not yet implemented'
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}
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tests = [
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{
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'code': '''
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function f() {
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var add = (function () {
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var counter = 0;
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return function () {return counter += 1;};
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})();
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add();
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add();
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return add();
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}
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''',
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'asserts': [{'value': 3, 'call': ('f',)}],
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'ast': [
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(Token.FUNC, 'f', [], [
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(Token.VAR, zip(['add'], [(Token.ASSIGN, None, (Token.OPEXPR, [
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(Token.MEMBER, (Token.EXPR, [(Token.ASSIGN, None, (Token.OPEXPR, [
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(Token.MEMBER, (Token.FUNC, None, [], [
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(Token.VAR, zip(
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['counter'],
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[(Token.ASSIGN, None, (Token.OPEXPR, [
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(Token.MEMBER, (Token.INT, 0), None, None)
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]), None)]
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)),
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(Token.RETURN, (Token.EXPR, [(Token.ASSIGN, None, (Token.OPEXPR, [
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(Token.MEMBER, (Token.FUNC, None, [], [
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(Token.RETURN, (Token.EXPR, [
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(Token.ASSIGN, _ASSIGN_OPERATORS['+='][1], (Token.OPEXPR, [
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(Token.MEMBER, (Token.ID, 'counter'), None, None)
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]), (Token.ASSIGN, None, (Token.OPEXPR, [
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(Token.MEMBER, (Token.INT, 1), None, None)
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]), None))
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]))
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]), None, None)
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]), None)]))
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]), None, None),
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]), None)]), None, (Token.CALL, [], None))
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]), None)])),
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(Token.EXPR, [(Token.ASSIGN, None, (Token.OPEXPR, [
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(Token.MEMBER, (Token.ID, 'add'), None, (Token.CALL, [], None))
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]), None)]),
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(Token.EXPR, [(Token.ASSIGN, None, (Token.OPEXPR, [
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(Token.MEMBER, (Token.ID, 'add'), None, (Token.CALL, [], None))
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]), None)]),
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(Token.RETURN, (Token.EXPR, [(Token.ASSIGN, None, (Token.OPEXPR, [
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(Token.MEMBER, (Token.ID, 'add'), None, (Token.CALL, [], None))
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]), None)]))
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])
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]
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}
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]
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