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70 commits

Author SHA1 Message Date
dirkf
ce1e556b8f [jsinterp] Add return hook for player 3bb1f723 
* set var `_ytdl_do_not_return` to a specific value in the scope of a function
* if an expression to be returned has that value, `return` becomes `void`
 2024-12-16 12:38:51 +00:00
dirkf
f487b4a02a [jsinterp] Strip /* comments */ when parsing 
* NB: _separate() is looking creaky
 2024-12-16 12:38:51 +00:00
dirkf
60835ca16c [jsinterp] Fix and improve "methods" 
* push, unshift return new length
* impove edge cases for push/pop, shift/unshift, forEach, indexOf, charCodeAt
* increase test coverage
 2024-12-16 12:38:51 +00:00
dirkf
94fd774608 [jsinterp] Fix and improve split/join 
* improve split/join edge cases
* correctly implement regex split (not like re.split)
 2024-12-16 12:38:51 +00:00
dirkf
5dee6213ed [jsinterp] Fix and improve arithmetic operations 
* addition becomes concat with a string operand
* improve handling of edgier cases
* arithmetic in float like JS (more places need cast to int?)
* increase test coverage
 2024-12-16 12:38:51 +00:00
dirkf
81e64cacf2 [jsinterp] Support multiple indexing (eg a[1][2]) 
* extend single indexing with improved RE (should probably use/have used _separate_at_paren())
* fix some cases that should have given undefined, not throwing
* standardise RE group names
* support length of objects, like {1: 2, 3: 4, length: 42}
 2024-12-16 12:38:51 +00:00
dirkf
c1a03b1ac3 [jsinterp] Fix and improve loose and strict equality operations 
* reimplement loose equality according to MDN (eg, 1 == "1")
* improve strict equality (eg, "abc" === "abc" but 'abc' is not 'abc')
* add tests for above
 2024-12-16 12:38:51 +00:00
dirkf
118c6d7a17 [jsinterp] Implement typeof operator 2024-12-16 12:38:51 +00:00
dirkf
dbc08fba83 [jsinterp] Improve slice implementation for player b12cc44b 
Partly taken from yt-dlp/yt-dlp#10664, thx seproDev
        Fixes #32896
 2024-08-06 20:51:38 +01:00
dirkf
d35ce6ce95 [jsinterp] Support functionality for player b22ef6e7 
* support `prototype` for call() and apply() (yt-dlp/yt-dlp#10392, thx Grub4k)
* map JS `Array` to `list`
 2024-07-11 00:50:46 +01:00
dirkf
76ac69917e [jsinterp] Further improve expression parsing (fix fd8242e) 
Passes tests from yt-dlp
 2024-07-11 00:50:46 +01:00
dirkf
756f6b45c7 [jsinterp] Re-align JSInterp and tests (esp.) with yt-dlp 
Thx: various yt-dlp authors
 2024-07-11 00:50:46 +01:00
dirkf
e0094e63c3 [jsinterp] Various tweaks 
* treat Infinity like NaN
* cache operator list
 2024-06-20 20:03:49 +01:00
dirkf
fd8242e3ef [jsinterp] Fix and improve expression parsing 
* improve BODMAS (fixes https://github.com/ytdl-org/youtube-dl/issues/32815)
* support more weird expressions with multiple unary ops
 2024-06-20 20:03:49 +01:00
dirkf
ad01fa6cca [jsinterp] Add Debugger from yt-dlp 
* https://github.com/yt-dlp/yt-dlp/commit/8f53dc4
* thx pukkandan
 2024-06-20 20:03:49 +01:00
dirkf
1d8d5a93f7 [test] Fixes for old Pythons 2023-07-18 10:50:46 +01:00
dirkf
f24bc9272e [Misc] Fixes for 2.6 compatibility 2023-07-05 22:58:54 +01:00
dirkf
07af47960f [YouTube] Improve fix for ae8ba2c 
Thx: https://github.com/yt-dlp/yt-dlp/commit/01aba25
 2023-06-18 00:52:18 +01:00
dirkf
d6433cbb2c [jsinterp] Don't find unrelated objects 2023-06-17 15:46:12 +01:00
dirkf
ff75c300f5 [jsinterp] Fix test for failed match in extract_object() 2023-06-17 15:34:11 +01:00
dirkf
a2534f7b88 [jsinterp] Fix div bug breaking player 8c7583ff 
Thx bashonly: https://github.com/ytdl-org/youtube-dl/issues/32292#issuecomment-1585639223
Fixes #32292
 2023-06-11 17:23:00 +01:00
dirkf
d89c2137ba [jsinterp] Small updates for a85a875 
* update signature tests
* clarify NaN handling
 2023-05-23 16:50:25 +01:00
dirkf
6ed3433828 [jsinterp] Add short-cut evaluation for common expression 
* special handling for (d%e.length+e.length)%e.length speeds up ~6%
 2023-05-11 21:02:01 +01:00
dirkf
a85a875fef [jsinterp] Handle NaN in bitwise operators 
* also add _NaN
* also pull function naming from yt-dlp
 2023-05-11 20:59:30 +01:00
dirkf
211cbfd5d4 [jsinterp] Minimally handle arithmetic operator precedence 
Resolves #32066
 2023-04-21 14:04:30 +01:00
dirkf
0402710227 [jsinterp] Fix regexp parsing and .replace[All] method 
* For performance, make regexp object instantiation lazy
 * Other small performance improvements
 2023-03-07 01:24:21 +00:00
pukkandan
3e92c60fcd [jsinterp] Handle Date at epoch 0 
See yt-dlp/yt_dlp#6400
 2023-03-03 15:02:15 +00:00
dirkf
57802e632f [jsinterp] Fix dict comprehension for Py2.6 
Resolves #31600
 2023-02-19 13:48:58 +00:00
dirkf
cd987e6fca [jsinterp] Nits 2023-02-12 22:16:00 +00:00
dirkf
295736c9cb [jsinterp] Improve parsing 
* support subset `... else if ...`
* support `while`
* add `RegExp` class
* generalise `new` support
* limited more debug strings
* matching test changes
 2023-02-02 16:31:49 +00:00
pukkandan
14ef89a8da Support if statements 
Fix for yt-dlp/yt_dlp#6131
Closes #31509
 2023-02-02 13:12:46 +00:00
dirkf
6e2626f092
[JSInterp] Improve separation logic 
Based on 0468a3b325
 2022-10-11 05:58:10 +01:00
pukkandan
7009bb9f31 [jsinterp] Workaround operator associativity issue 
* temporary fix for player 5a3b6271 [1]

1. https://github.com/yt-dlp/yt-dlp/issues/4635#issuecomment-1235384480
 2022-09-03 00:53:56 +01:00
dirkf
55c823634d [jsinterp] Handle new YT players 113ca41c, c57c113c 
* add NaN
* allow any white-space character for `after_op`
* align with yt-dlp f26af78a8ac11d9d617ed31ea5282cfaa5bcbcfa (charcodeAt and bitwise overflow)
* allow escaping in regex, fixing player c57c113c
 2022-09-01 10:57:12 +01:00
dirkf
4c6fba3765 [jsinterp] Improve try/catch/finally support 2022-08-26 08:51:17 +01:00
dirkf
d619dd712f [jsinterp] Fix bug in operator precedence 
* from 164b03c486
* added tests
 2022-08-25 12:16:10 +01:00
dirkf
46b8ae2f52 [jsinterp] Clean up and pull yt-dlp style 
* add compat_re_Pattern
* improve compat_collections_chain_map
* use class JS_Undefined
* remove unused code
 2022-08-19 15:34:33 +01:00
dirkf
538ec65ba7
[jsinterp] Handle regexp literals and throw/catch execution (#31182) 
* based on f6ca640b12, thanks pukkandan
* adds parse support for regexp flags
 2022-08-19 11:45:04 +01:00
dirkf
b0a60ce203
[jsinterp] Improve JS language support (#31175) 
* operator ??
* operator ?.
* operator **
* accurate operator functions
* `undefined` handling
* object literals {a: 1, "b": expr}
* more tests for weird JS comparisons: see https://github.com/ytdl-org/youtube-dl/issues/31173#issuecomment-1217854397.
 2022-08-17 14:22:02 +01:00
dirkf
d231b56717
[jsinterp] Overhaul JSInterp to handle new YT players 4c3f79c5, 324f67b9 (#31170) 
* back-port from yt-dlp 8f53dc44a0cc1c2d98c35740b9293462c080f5d0, thanks pukkandan
* also support void, improve <</>> precedence, improve expressions in comma-list
* add more tests
 2022-08-14 18:45:45 +01:00
dirkf
6ca7b77696 Refactor JSInterpreter._separate 
yt-dlp/yt-dlp/@06dfe0a, improve _MATCHING_PARENS
 2022-01-30 00:05:54 +00:00
dirkf
9d142109f4 Back-port test_youtube_signature.py from yt-dlp and fix JSInterp accordingly 2022-01-30 00:05:54 +00:00
dirkf
1ca673bd98 Fix splice to handle float 
Needed for new youtube js player f1ca6900
Add 57dbe8077f (diff-729b57caa8d006426f6a8960c061f519a8b6658682284015e069745af52ffb07)
 2022-01-30 00:05:54 +00:00
df
e1eae16b56 Handle default in switch better 
Add a1fc7ca074
Thanks coletdjnz
 2022-01-30 00:05:54 +00:00
df
96f87aaa3b Back-port JS interpreter upgrade from yt-dlp PR #1437 2022-01-30 00:05:54 +00:00
Sergey M․
0e2d626ddd
[jsinterp] Fix typo and cleanup regexes (closes #13134) 2017-05-18 22:57:38 +07:00
Sergey M․
7769f83701
[jsinterp] Add support for quoted names and indexers (closes #13123, closes #13130) 2017-05-18 22:18:33 +07:00
Sergey M․
d1aeacd9bf
[youtube] Fix extraction (closes #11663, #11664) 2017-01-10 21:25:29 +07:00
Kacper Michajłow
189935f159 [jsinterp] Fix function calls without arguments. 2016-11-11 15:36:57 +01:00
Sergey M․
b46eabecd3
[jsinterp] Relax JS function regex (Closes #9863) 2016-06-23 09:41:34 +07:00