1 files changed, 35 insertions, 0 deletions
diff --git a/src/host_io.zig b/src/host_io.zig
index f944e1cb..9e9a37ed 100644
--- a/src/host_io.zig
+++ b/src/host_io.zig
@@ -143,12 +143,19 @@ pub const Lsp = struct {
         source: [:0]u8,
         arg: []u8,
         root: []u8,
+        /// The other open files, for a query that can reach them.
+        others: []pardes.lsp.Doc = &.{},
 
         pub fn free(job: *Job, gpa: std.mem.Allocator) void {
             gpa.free(job.path);
             gpa.free(job.source);
             gpa.free(job.arg);
             gpa.free(job.root);
+            for (job.others) |doc| {
+                gpa.free(doc.path);
+                gpa.free(doc.source);
+            }
+            gpa.free(job.others);
             gpa.destroy(job);
         }
     };
@@ -169,6 +176,7 @@ pub const Lsp = struct {
         errdefer gpa.free(arg);
         const declared_root = if (file) |f| std.fs.path.dirname(f.path) orelse "/" else pane.cwdSlice();
         const root = try gpa.dupe(u8, filesystem.localPath(declared_root) orelse declared_root);
+        errdefer gpa.free(root);
         job.* = .{
             .id = req.id,
             .kind = req.kind,
@@ -178,6 +186,32 @@ pub const Lsp = struct {
             .arg = arg,
             .root = root,
         };
+        // ponytail: a copy of every open file per such query; a server
+        // already told of one is sent nothing more (syncDoc).
+        if (pardes.lsp.reachesOtherFiles(req.kind)) {
+            var others: std.ArrayList(pardes.lsp.Doc) = .empty;
+            errdefer {
+                for (others.items) |doc| {
+                    gpa.free(doc.path);
+                    gpa.free(doc.source);
+                }
+                others.deinit(gpa);
+            }
+            for (core.panes, 0..) |slot, i| {
+                const other = slot orelse continue;
+                if (i == req.pane) continue;
+                const f = other.file orelse continue;
+                if (f.output != null) continue;
+                const local = filesystem.localPath(f.path) orelse continue;
+                const other_path = try gpa.dupe(u8, local);
+                const other_source = gpa.dupeZ(u8, f.content) catch |err| {
+                    gpa.free(other_path);
+                    return err;
+                };
+                try others.append(gpa, .{ .path = other_path, .source = other_source });
+            }
+            job.others = try others.toOwnedSlice(gpa);
+        }
         return job;
     }
 
@@ -197,6 +231,7 @@ pub const Lsp = struct {
             .offset = job.offset,
             .arg = job.arg,
             .root = job.root,
+            .others = job.others,
         }, &out.writer) catch {
             deliver(ctx, job.id, null);
             return;