Closes#26157
This fixes multiple cases where Python indentation breaks:
- [x] Adding a new line after `if`, `try`, etc. correctly indents in
that scope
- [x] Multi-cursor tabs correctly preserve relative indents
- [x] Adding a new line after `else`, `finally`, etc. correctly outdents
them
- [x] Existing Tests
Future Todo: I need to add new tests for all the above cases.
Before/After:
1. Multi-cursor tabs correctly preserve relative indents
https://github.com/user-attachments/assets/08a46ddf-5371-4e26-ae7d-f8aa0b31c4a2
2. Adding a new line after `if`, `try`, etc. correctly indents in that
scope
https://github.com/user-attachments/assets/9affae97-1a50-43c9-9e9f-c1ea3a747813
Release Notes:
- Fixes indentation-related issues involving tab, newline, etc for
Python.
Closes#10832
Note: This PR only fixes the issue where when entering one of `except`,
`finally`, `else`, and `elif` after another block like so:
```python
try:
for i in range(n):
pass
except:|
```
The `except` would be indented resulting in the following:
```python
try:
for i in range(n):
pass
except:|
```
This PR does not fix a separate issue in which the indentation is not
corrected from the second example to the first, i.e. if example 2 is
typed verbatim in Zed it will not auto-indent to look like example 1.
Handling of this case would likely require specific logic to handle, or
changes to the tree-sitter grammar for Python, as the current grammar
results in ERROR nodes that obscure the natural structure (cannot tie
the `except` to the `try`)
Release Notes:
- Fixed an issue where `except`, `finally`, `else`, and `elif` control
flow keywords in Python would be incorrectly indented when entered at
the correct level of indentation.
- Moves languages module from `zed` into a separate crate. That way we
have less of a long pole at the end of compilation.
- Removes moot dependencies on editor/picker. This is totally harmless
and might help in the future if we decide to decouple picker from
editor.
Before:
```
Number of crates that depend on 'picker' but not on 'editor': 1
Total number of crates that depend on 'picker': 13
Total number of crates that depend on 'editor': 30
```
After:
```
Number of crates that depend on 'picker' but not on 'editor': 5
Total number of crates that depend on 'picker': 12
Total number of crates that depend on 'editor': 26
```
The more crates depend on just picker but not editor, the better in that
case.
Release Notes:
- N/A
Smit Barmase
Ben Kunkle
Piotr Osiewicz