Merge #4839

4839: `Go to Type Definition` hover action. r=matklad a=vsrs

![hover_actions_goto](https://user-images.githubusercontent.com/62505555/83335671-0122e380-a2b7-11ea-9922-fbdcfb11a7f3.gif)

This implementation supports things like `dyn Trait<SomeType>`, `-> impl Trait`, etc.

Co-authored-by: vsrs <[email protected]>

1 files changed, 14 insertions, 0 deletions

diff --git a/editors/code/src/commands.ts b/editors/code/src/commands.ts
index 3e9c3aa0e..48a25495f 100644
--- a/editors/code/src/commands.ts
+++ b/editors/code/src/commands.ts
@@ -353,6 +353,20 @@ export function applyActionGroup(_ctx: Ctx): Cmd {
     };
 }
 
+export function gotoLocation(ctx: Ctx): Cmd {
+    return async (locationLink: lc.LocationLink) => {
+        const client = ctx.client;
+        if (client) {
+            const uri = client.protocol2CodeConverter.asUri(locationLink.targetUri);
+            let range = client.protocol2CodeConverter.asRange(locationLink.targetSelectionRange);
+            // collapse the range to a cursor position
+            range = range.with({ end: range.start });
+
+            await vscode.window.showTextDocument(uri, { selection: range });
+        }
+    };
+}
+
 export function resolveCodeAction(ctx: Ctx): Cmd {
     const client = ctx.client;
     return async (params: ra.ResolveCodeActionParams) => {