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19 commits

Author SHA1 Message Date
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
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
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
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
Yen Chi Hsuan
582be35847
Update coding style after pycodestyle 2.1.0 
In pycodestyle 2.1.0, E305 was introduced, which requires two blank
lines after top level declarations, too.

See https://github.com/PyCQA/pycodestyle/issues/400

See also #10689; thanks @stepshal for first mentioning this issue and
initial patches
 2016-11-17 19:45:42 +08:00
Kacper Michajłow
189935f159 [jsinterp] Fix function calls without arguments. 2016-11-11 15:36:57 +01:00
Yen Chi Hsuan
ff29bf81f8 [jsinterp] Support alternative function definition form 2015-11-10 12:54:02 +08:00
Philipp Hagemeister
3eff81fbf7 [jsinterp] Disable comment support 
We need a proper lexer to be able to understand YouTube's code, which contains /* inside of strings.
For now it's sufficient to just disable comment support altogether.

Fixes #4976, fixes #4979, fixes #4980, fixes #4981, fixes #4982.
Closes #4977.
 2015-02-18 10:47:42 +01:00
Philipp Hagemeister
9e3f19919a [jsinterp] Beef up and add tests 
In preparation for #4822, extend jsinterp by a lot. (We may even have to/want to write a proper interpreter with actual parsing)
 2015-02-01 22:38:29 +01:00