1 files changed, 91 insertions, 0 deletions
diff --git a/editors/code/src/rust_project.ts b/editors/code/src/rust_project.ts
new file mode 100644
index 00000000000..adf0f89c961
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+++ b/editors/code/src/rust_project.ts
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+interface JsonProject {
+    /// Path to the directory with *source code* of
+    /// sysroot crates.
+    ///
+    /// It should point to the directory where std,
+    /// core, and friends can be found:
+    ///
+    /// https://github.com/rust-lang/rust/tree/master/library.
+    ///
+    /// If provided, rust-analyzer automatically adds
+    /// dependencies on sysroot crates. Conversely,
+    /// if you omit this path, you can specify sysroot
+    /// dependencies yourself and, for example, have
+    /// several different "sysroots" in one graph of
+    /// crates.
+    sysroot_src?: string;
+    /// The set of crates comprising the current
+    /// project. Must include all transitive
+    /// dependencies as well as sysroot crate (libstd,
+    /// libcore and such).
+    crates: Crate[];
+}
+
+interface Crate {
+    /// Optional crate name used for display purposes,
+    /// without affecting semantics. See the `deps`
+    /// key for semantically-significant crate names.
+    display_name?: string;
+    /// Path to the root module of the crate.
+    root_module: string;
+    /// Edition of the crate.
+    edition: "2015" | "2018" | "2021";
+    /// Dependencies
+    deps: Dep[];
+    /// Should this crate be treated as a member of
+    /// current "workspace".
+    ///
+    /// By default, inferred from the `root_module`
+    /// (members are the crates which reside inside
+    /// the directory opened in the editor).
+    ///
+    /// Set this to `false` for things like standard
+    /// library and 3rd party crates to enable
+    /// performance optimizations (rust-analyzer
+    /// assumes that non-member crates don't change).
+    is_workspace_member?: boolean;
+    /// Optionally specify the (super)set of `.rs`
+    /// files comprising this crate.
+    ///
+    /// By default, rust-analyzer assumes that only
+    /// files under `root_module.parent` can belong
+    /// to a crate. `include_dirs` are included
+    /// recursively, unless a subdirectory is in
+    /// `exclude_dirs`.
+    ///
+    /// Different crates can share the same `source`.
+    ///
+    /// If two crates share an `.rs` file in common,
+    /// they *must* have the same `source`.
+    /// rust-analyzer assumes that files from one
+    /// source can't refer to files in another source.
+    source?: {
+        include_dirs: string[],
+        exclude_dirs: string[],
+    },
+    /// The set of cfgs activated for a given crate, like
+    /// `["unix", "feature=\"foo\"", "feature=\"bar\""]`.
+    cfg: string[];
+    /// Target triple for this Crate.
+    ///
+    /// Used when running `rustc --print cfg`
+    /// to get target-specific cfgs.
+    target?: string;
+    /// Environment variables, used for
+    /// the `env!` macro
+    env: { [key: string]: string; },
+
+    /// Whether the crate is a proc-macro crate.
+    is_proc_macro: boolean;
+    /// For proc-macro crates, path to compiled
+    /// proc-macro (.so file).
+    proc_macro_dylib_path?: string;
+}
+
+interface Dep {
+    /// Index of a crate in the `crates` array.
+    crate: number,
+    /// Name as should appear in the (implicit)
+    /// `extern crate name` declaration.
+    name: string,
+}
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