chore: Extract languages from zed crate (#8270)

- 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
This commit is contained in:
Piotr Osiewicz 2024-02-23 15:56:08 +01:00 committed by GitHub
parent 7cf0696c89
commit 0f584cb353
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
309 changed files with 221 additions and 154 deletions

View file

@ -1,299 +0,0 @@
use anyhow::Result;
use async_trait::async_trait;
use language::{LanguageServerName, LspAdapter, LspAdapterDelegate};
use lsp::LanguageServerBinary;
use node_runtime::NodeRuntime;
use smol::fs;
use std::{
any::Any,
ffi::OsString,
path::{Path, PathBuf},
sync::Arc,
};
use util::ResultExt;
const SERVER_PATH: &'static str = "node_modules/pyright/langserver.index.js";
fn server_binary_arguments(server_path: &Path) -> Vec<OsString> {
vec![server_path.into(), "--stdio".into()]
}
pub struct PythonLspAdapter {
node: Arc<dyn NodeRuntime>,
}
impl PythonLspAdapter {
pub fn new(node: Arc<dyn NodeRuntime>) -> Self {
PythonLspAdapter { node }
}
}
#[async_trait]
impl LspAdapter for PythonLspAdapter {
fn name(&self) -> LanguageServerName {
LanguageServerName("pyright".into())
}
fn short_name(&self) -> &'static str {
"pyright"
}
async fn fetch_latest_server_version(
&self,
_: &dyn LspAdapterDelegate,
) -> Result<Box<dyn 'static + Any + Send>> {
Ok(Box::new(self.node.npm_package_latest_version("pyright").await?) as Box<_>)
}
async fn fetch_server_binary(
&self,
version: Box<dyn 'static + Send + Any>,
container_dir: PathBuf,
_: &dyn LspAdapterDelegate,
) -> Result<LanguageServerBinary> {
let version = version.downcast::<String>().unwrap();
let server_path = container_dir.join(SERVER_PATH);
if fs::metadata(&server_path).await.is_err() {
self.node
.npm_install_packages(&container_dir, &[("pyright", version.as_str())])
.await?;
}
Ok(LanguageServerBinary {
path: self.node.binary_path().await?,
env: None,
arguments: server_binary_arguments(&server_path),
})
}
async fn cached_server_binary(
&self,
container_dir: PathBuf,
_: &dyn LspAdapterDelegate,
) -> Option<LanguageServerBinary> {
get_cached_server_binary(container_dir, &*self.node).await
}
async fn installation_test_binary(
&self,
container_dir: PathBuf,
) -> Option<LanguageServerBinary> {
get_cached_server_binary(container_dir, &*self.node).await
}
async fn process_completion(&self, item: &mut lsp::CompletionItem) {
// Pyright assigns each completion item a `sortText` of the form `XX.YYYY.name`.
// Where `XX` is the sorting category, `YYYY` is based on most recent usage,
// and `name` is the symbol name itself.
//
// Because the the symbol name is included, there generally are not ties when
// sorting by the `sortText`, so the symbol's fuzzy match score is not taken
// into account. Here, we remove the symbol name from the sortText in order
// to allow our own fuzzy score to be used to break ties.
//
// see https://github.com/microsoft/pyright/blob/95ef4e103b9b2f129c9320427e51b73ea7cf78bd/packages/pyright-internal/src/languageService/completionProvider.ts#LL2873
let Some(sort_text) = &mut item.sort_text else {
return;
};
let mut parts = sort_text.split('.');
let Some(first) = parts.next() else { return };
let Some(second) = parts.next() else { return };
let Some(_) = parts.next() else { return };
sort_text.replace_range(first.len() + second.len() + 1.., "");
}
async fn label_for_completion(
&self,
item: &lsp::CompletionItem,
language: &Arc<language::Language>,
) -> Option<language::CodeLabel> {
let label = &item.label;
let grammar = language.grammar()?;
let highlight_id = match item.kind? {
lsp::CompletionItemKind::METHOD => grammar.highlight_id_for_name("function.method")?,
lsp::CompletionItemKind::FUNCTION => grammar.highlight_id_for_name("function")?,
lsp::CompletionItemKind::CLASS => grammar.highlight_id_for_name("type")?,
lsp::CompletionItemKind::CONSTANT => grammar.highlight_id_for_name("constant")?,
_ => return None,
};
Some(language::CodeLabel {
text: label.clone(),
runs: vec![(0..label.len(), highlight_id)],
filter_range: 0..label.len(),
})
}
async fn label_for_symbol(
&self,
name: &str,
kind: lsp::SymbolKind,
language: &Arc<language::Language>,
) -> Option<language::CodeLabel> {
let (text, filter_range, display_range) = match kind {
lsp::SymbolKind::METHOD | lsp::SymbolKind::FUNCTION => {
let text = format!("def {}():\n", name);
let filter_range = 4..4 + name.len();
let display_range = 0..filter_range.end;
(text, filter_range, display_range)
}
lsp::SymbolKind::CLASS => {
let text = format!("class {}:", name);
let filter_range = 6..6 + name.len();
let display_range = 0..filter_range.end;
(text, filter_range, display_range)
}
lsp::SymbolKind::CONSTANT => {
let text = format!("{} = 0", name);
let filter_range = 0..name.len();
let display_range = 0..filter_range.end;
(text, filter_range, display_range)
}
_ => return None,
};
Some(language::CodeLabel {
runs: language.highlight_text(&text.as_str().into(), display_range.clone()),
text: text[display_range].to_string(),
filter_range,
})
}
}
async fn get_cached_server_binary(
container_dir: PathBuf,
node: &dyn NodeRuntime,
) -> Option<LanguageServerBinary> {
let server_path = container_dir.join(SERVER_PATH);
if server_path.exists() {
Some(LanguageServerBinary {
path: node.binary_path().await.log_err()?,
env: None,
arguments: server_binary_arguments(&server_path),
})
} else {
log::error!("missing executable in directory {:?}", server_path);
None
}
}
#[cfg(test)]
mod tests {
use gpui::{Context, ModelContext, TestAppContext};
use language::{language_settings::AllLanguageSettings, AutoindentMode, Buffer};
use settings::SettingsStore;
use std::num::NonZeroU32;
use text::BufferId;
#[gpui::test]
async fn test_python_autoindent(cx: &mut TestAppContext) {
cx.executor().set_block_on_ticks(usize::MAX..=usize::MAX);
let language =
crate::languages::language("python", tree_sitter_python::language(), None).await;
cx.update(|cx| {
let test_settings = SettingsStore::test(cx);
cx.set_global(test_settings);
language::init(cx);
cx.update_global::<SettingsStore, _>(|store, cx| {
store.update_user_settings::<AllLanguageSettings>(cx, |s| {
s.defaults.tab_size = NonZeroU32::new(2);
});
});
});
cx.new_model(|cx| {
let mut buffer = Buffer::new(0, BufferId::new(cx.entity_id().as_u64()).unwrap(), "")
.with_language(language, cx);
let append = |buffer: &mut Buffer, text: &str, cx: &mut ModelContext<Buffer>| {
let ix = buffer.len();
buffer.edit([(ix..ix, text)], Some(AutoindentMode::EachLine), cx);
};
// indent after "def():"
append(&mut buffer, "def a():\n", cx);
assert_eq!(buffer.text(), "def a():\n ");
// preserve indent after blank line
append(&mut buffer, "\n ", cx);
assert_eq!(buffer.text(), "def a():\n \n ");
// indent after "if"
append(&mut buffer, "if a:\n ", cx);
assert_eq!(buffer.text(), "def a():\n \n if a:\n ");
// preserve indent after statement
append(&mut buffer, "b()\n", cx);
assert_eq!(buffer.text(), "def a():\n \n if a:\n b()\n ");
// preserve indent after statement
append(&mut buffer, "else", cx);
assert_eq!(buffer.text(), "def a():\n \n if a:\n b()\n else");
// dedent "else""
append(&mut buffer, ":", cx);
assert_eq!(buffer.text(), "def a():\n \n if a:\n b()\n else:");
// indent lines after else
append(&mut buffer, "\n", cx);
assert_eq!(
buffer.text(),
"def a():\n \n if a:\n b()\n else:\n "
);
// indent after an open paren. the closing paren is not indented
// because there is another token before it on the same line.
append(&mut buffer, "foo(\n1)", cx);
assert_eq!(
buffer.text(),
"def a():\n \n if a:\n b()\n else:\n foo(\n 1)"
);
// dedent the closing paren if it is shifted to the beginning of the line
let argument_ix = buffer.text().find('1').unwrap();
buffer.edit(
[(argument_ix..argument_ix + 1, "")],
Some(AutoindentMode::EachLine),
cx,
);
assert_eq!(
buffer.text(),
"def a():\n \n if a:\n b()\n else:\n foo(\n )"
);
// preserve indent after the close paren
append(&mut buffer, "\n", cx);
assert_eq!(
buffer.text(),
"def a():\n \n if a:\n b()\n else:\n foo(\n )\n "
);
// manually outdent the last line
let end_whitespace_ix = buffer.len() - 4;
buffer.edit(
[(end_whitespace_ix..buffer.len(), "")],
Some(AutoindentMode::EachLine),
cx,
);
assert_eq!(
buffer.text(),
"def a():\n \n if a:\n b()\n else:\n foo(\n )\n"
);
// preserve the newly reduced indentation on the next newline
append(&mut buffer, "\n", cx);
assert_eq!(
buffer.text(),
"def a():\n \n if a:\n b()\n else:\n foo(\n )\n\n"
);
// reset to a simple if statement
buffer.edit([(0..buffer.len(), "if a:\n b(\n )")], None, cx);
// dedent "else" on the line after a closing paren
append(&mut buffer, "\n else:\n", cx);
assert_eq!(buffer.text(), "if a:\n b(\n )\nelse:\n ");
buffer
});
}
}