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This PR adds **internal** ability to run arbitrary language servers via WebAssembly extensions. The functionality isn't exposed yet - we're just landing this in this early state because there have been a lot of changes to the `LspAdapter` trait, and other language server logic. ## Next steps * Currently, wasm extensions can only define how to *install* and run a language server, they can't yet implement the other LSP adapter methods, such as formatting completion labels and workspace symbols. * We don't have an automatic way to install or develop these types of extensions * We don't have a way to package these types of extensions in our extensions repo, to make them available via our extensions API. * The Rust extension API crate, `zed-extension-api` has not yet been published to crates.io, because we still consider the API a work in progress. Release Notes: - N/A --------- Co-authored-by: Marshall <marshall@zed.dev> Co-authored-by: Nathan <nathan@zed.dev> Co-authored-by: Marshall Bowers <elliott.codes@gmail.com>
81 lines
2.2 KiB
Text
81 lines
2.2 KiB
Text
package zed:extension;
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world extension {
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export init-extension: func();
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record github-release {
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version: string,
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assets: list<github-release-asset>,
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}
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record github-release-asset {
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name: string,
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download-url: string,
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}
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record github-release-options {
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require-assets: bool,
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pre-release: bool,
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}
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enum os {
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mac,
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linux,
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windows,
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}
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enum architecture {
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aarch64,
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x86,
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x8664,
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}
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enum downloaded-file-type {
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gzip,
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gzip-tar,
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zip,
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uncompressed,
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}
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variant language-server-installation-status {
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checking-for-update,
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downloaded,
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downloading,
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cached,
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failed(string),
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}
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/// Gets the current operating system and architecture
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import current-platform: func() -> tuple<os, architecture>;
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/// Gets the latest version of the given NPM package.
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import npm-package-latest-version: func(package-name: string) -> result<string, string>;
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/// Gets the latest release for the given GitHub repository.
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import latest-github-release: func(repo: string, options: github-release-options) -> result<github-release, string>;
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/// Downloads a file from the given url, and saves it to the given filename within the extension's
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/// working directory. Extracts the file according to the given file type.
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import download-file: func(url: string, output-filename: string, file-type: downloaded-file-type) -> result<_, string>;
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/// Updates the installation status for the given language server.
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import set-language-server-installation-status: func(language-server-name: string, status: language-server-installation-status);
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record command {
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command: string,
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args: list<string>,
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env: list<tuple<string, string>>,
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}
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resource worktree {
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read-text-file: func(path: string) -> result<string, string>;
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}
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record language-server-config {
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name: string,
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language-name: string,
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}
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export language-server-command: func(config: language-server-config, worktree: borrow<worktree>) -> result<command, string>;
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}
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