1 files changed, 86 insertions, 0 deletions

diff --git a/editors/code/src/lsp_ext.ts b/editors/code/src/lsp_ext.ts
new file mode 100644
index 000000000..c51acfccb
--- /dev/null
+++ b/editors/code/src/lsp_ext.ts
@@ -0,0 +1,86 @@
+/**
+ * This file mirrors `crates/rust-analyzer/src/req.rs` declarations.
+ */
+
+import * as lc from "vscode-languageclient";
+
+export const analyzerStatus = new lc.RequestType<null, string, void>("rust-analyzer/analyzerStatus");
+
+export const collectGarbage = new lc.RequestType<null, null, void>("rust-analyzer/collectGarbage");
+
+export interface SyntaxTreeParams {
+    textDocument: lc.TextDocumentIdentifier;
+    range: lc.Range | null;
+}
+export const syntaxTree = new lc.RequestType<SyntaxTreeParams, string, void>("rust-analyzer/syntaxTree");
+
+
+export interface ExpandMacroParams {
+    textDocument: lc.TextDocumentIdentifier;
+    position: lc.Position;
+}
+export interface ExpandedMacro {
+    name: string;
+    expansion: string;
+}
+export const expandMacro = new lc.RequestType<ExpandMacroParams, ExpandedMacro | null, void>("rust-analyzer/expandMacro");
+
+export interface MatchingBraceParams {
+    textDocument: lc.TextDocumentIdentifier;
+    positions: lc.Position[];
+}
+export const matchingBrace = new lc.RequestType<MatchingBraceParams, lc.Position[], void>("experimental/matchingBrace");
+
+export const parentModule = new lc.RequestType<lc.TextDocumentPositionParams, lc.LocationLink[], void>("experimental/parentModule");
+
+export interface JoinLinesParams {
+    textDocument: lc.TextDocumentIdentifier;
+    ranges: lc.Range[];
+}
+export const joinLines = new lc.RequestType<JoinLinesParams, lc.TextEdit[], void>("experimental/joinLines");
+
+export const onEnter = new lc.RequestType<lc.TextDocumentPositionParams, lc.TextEdit[], void>("experimental/onEnter");
+
+export interface RunnablesParams {
+    textDocument: lc.TextDocumentIdentifier;
+    position: lc.Position | null;
+}
+
+export interface Runnable {
+    label: string;
+    location?: lc.LocationLink;
+    kind: "cargo";
+    args: {
+        workspaceRoot?: string;
+        cargoArgs: string[];
+        executableArgs: string[];
+    };
+}
+export const runnables = new lc.RequestType<RunnablesParams, Runnable[], void>("experimental/runnables");
+
+export type InlayHint = InlayHint.TypeHint | InlayHint.ParamHint | InlayHint.ChainingHint;
+
+export namespace InlayHint {
+    export const enum Kind {
+        TypeHint = "TypeHint",
+        ParamHint = "ParameterHint",
+        ChainingHint = "ChainingHint",
+    }
+    interface Common {
+        range: lc.Range;
+        label: string;
+    }
+    export type TypeHint = Common & { kind: Kind.TypeHint };
+    export type ParamHint = Common & { kind: Kind.ParamHint };
+    export type ChainingHint = Common & { kind: Kind.ChainingHint };
+}
+export interface InlayHintsParams {
+    textDocument: lc.TextDocumentIdentifier;
+}
+export const inlayHints = new lc.RequestType<InlayHintsParams, InlayHint[], void>("rust-analyzer/inlayHints");
+
+export interface SsrParams {
+    query: string;
+    parseOnly: boolean;
+}
+export const ssr = new lc.RequestType<SsrParams, lc.WorkspaceEdit, void>('experimental/ssr');