6ebe599c98
We're doing it. Svelte support is moving into an extension. This PR fixes some issues that came up along the way. Notes * extensions need to be able to retrieve the path the `node` binary installed by Zed * previously we were silently swallowing any errors that occurred while loading a grammar * npm commands ran by extensions weren't run in the right directory * Tree-sitter's WASM stdlib didn't support a C function (`strncmp`) needed by the Svelte parser's external scanner * the way that LSP installation status was reported was unnecessarily complex Release Notes: - Removed built-in support for the Svelte and Gleam languages, because full support for those languages is now available via extensions. These extensions will be suggested for download when you open a `.svelte` or `.gleam` file. --------- Co-authored-by: Marshall <marshall@zed.dev>
78 lines
2 KiB
Rust
78 lines
2 KiB
Rust
pub use wit::*;
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pub type Result<T, E = String> = core::result::Result<T, E>;
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pub trait Extension: Send + Sync {
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fn new() -> Self
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where
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Self: Sized;
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fn language_server_command(
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&mut self,
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config: LanguageServerConfig,
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worktree: &Worktree,
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) -> Result<Command>;
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fn language_server_initialization_options(
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&mut self,
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_config: LanguageServerConfig,
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_worktree: &Worktree,
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) -> Result<Option<String>> {
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Ok(None)
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}
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}
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#[macro_export]
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macro_rules! register_extension {
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($extension_type:ty) => {
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#[export_name = "init-extension"]
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pub extern "C" fn __init_extension() {
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std::env::set_current_dir(std::env::var("PWD").unwrap()).unwrap();
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zed_extension_api::register_extension(|| {
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Box::new(<$extension_type as zed_extension_api::Extension>::new())
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});
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}
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};
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}
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#[doc(hidden)]
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pub fn register_extension(build_extension: fn() -> Box<dyn Extension>) {
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unsafe { EXTENSION = Some((build_extension)()) }
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}
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fn extension() -> &'static mut dyn Extension {
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unsafe { EXTENSION.as_deref_mut().unwrap() }
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}
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static mut EXTENSION: Option<Box<dyn Extension>> = None;
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#[cfg(target_arch = "wasm32")]
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#[link_section = "zed:api-version"]
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#[doc(hidden)]
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pub static ZED_API_VERSION: [u8; 6] = *include_bytes!(concat!(env!("OUT_DIR"), "/version_bytes"));
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mod wit {
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wit_bindgen::generate!({
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skip: ["init-extension"],
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path: "./wit/0.0.4",
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});
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}
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wit::export!(Component);
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struct Component;
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impl wit::Guest for Component {
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fn language_server_command(
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config: wit::LanguageServerConfig,
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worktree: &wit::Worktree,
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) -> Result<wit::Command> {
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extension().language_server_command(config, worktree)
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}
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fn language_server_initialization_options(
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config: LanguageServerConfig,
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worktree: &Worktree,
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) -> Result<Option<String>, String> {
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extension().language_server_initialization_options(config, worktree)
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}
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}
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