a33b47e485
- adds `jsgrammar.LINETERMINATORSEQ_RE` - lexer `tstream.TokenStream` checks for lineterminators in tokens - adds `tstream.Token` - refractors `tstream.TokenStream` and `jsparser.Parser` and to use it
52 lines
2.0 KiB
Python
52 lines
2.0 KiB
Python
from __future__ import unicode_literals
|
|
|
|
from youtube_dl.jsinterp2.jsgrammar import TokenTypes
|
|
from youtube_dl.jsinterp2.tstream import _ASSIGN_OPERATORS, _UNARY_OPERATORS, _RELATIONS
|
|
|
|
skip = {
|
|
'jsinterp': 'While loop is not supported',
|
|
'interpret': 'Interpreting while loop is not yet implemented'
|
|
}
|
|
|
|
tests = [
|
|
{
|
|
'code': '''
|
|
function f(x){
|
|
i = 1;
|
|
while (i < x) {
|
|
i++;
|
|
}
|
|
return i;
|
|
}
|
|
''',
|
|
'asserts': [{'value': 5, 'call': ('f', 5)}],
|
|
'ast': [
|
|
(TokenTypes.FUNC, 'f', ['x'], [
|
|
(TokenTypes.EXPR, [
|
|
(TokenTypes.ASSIGN, _ASSIGN_OPERATORS['='][1],
|
|
(TokenTypes.OPEXPR, [(TokenTypes.MEMBER, (TokenTypes.ID, 'i'), None, None)]),
|
|
(TokenTypes.ASSIGN, None, (TokenTypes.OPEXPR, [(TokenTypes.MEMBER, (TokenTypes.INT, 1), None, None)]), None))
|
|
]),
|
|
(TokenTypes.WHILE,
|
|
(TokenTypes.EXPR, [
|
|
(TokenTypes.ASSIGN, None, (TokenTypes.OPEXPR, [
|
|
(TokenTypes.MEMBER, (TokenTypes.ID, 'i'), None, None),
|
|
(TokenTypes.MEMBER, (TokenTypes.ID, 'x'), None, None),
|
|
(TokenTypes.REL, _RELATIONS['<'][1])
|
|
]), None)
|
|
]),
|
|
(TokenTypes.BLOCK, [
|
|
(TokenTypes.EXPR, [
|
|
(TokenTypes.ASSIGN, None, (TokenTypes.OPEXPR, [
|
|
(TokenTypes.MEMBER, (TokenTypes.ID, 'i'), None, None),
|
|
(TokenTypes.POSTFIX, _UNARY_OPERATORS['++'][1])
|
|
]), None)
|
|
])
|
|
])),
|
|
(TokenTypes.RETURN, (TokenTypes.EXPR, [(TokenTypes.ASSIGN, None, (TokenTypes.OPEXPR, [
|
|
(TokenTypes.MEMBER, (TokenTypes.ID, 'i'), None, None)]), None)]))
|
|
])
|
|
]
|
|
}
|
|
]
|