From 325532d11960733bebdd38b19a6f33a891872803 Mon Sep 17 00:00:00 2001
From: Edwin Cheng <edwin0cheng@gmail.com>
Date: Sat, 14 Dec 2019 03:37:04 +0800
Subject: Fix shift id for delim and other tokens

---
 crates/ra_mbe/src/lib.rs | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/crates/ra_mbe/src/lib.rs b/crates/ra_mbe/src/lib.rs
index ce2deadf6..45dad2d10 100644
--- a/crates/ra_mbe/src/lib.rs
+++ b/crates/ra_mbe/src/lib.rs
@@ -67,7 +67,15 @@ impl Shift {
                 .token_trees
                 .iter()
                 .filter_map(|tt| match tt {
-                    tt::TokenTree::Subtree(subtree) => max_id(subtree),
+                    tt::TokenTree::Subtree(subtree) => {
+                        let tree_id = max_id(subtree);
+                        match subtree.delimiter {
+                            Some(it) if it.id != tt::TokenId::unspecified() => {
+                                Some(tree_id.map_or(it.id.0, |t| t.max(it.id.0)))
+                            }
+                            _ => tree_id,
+                        }
+                    }
                     tt::TokenTree::Leaf(tt::Leaf::Ident(ident))
                         if ident.id != tt::TokenId::unspecified() =>
                     {
@@ -85,9 +93,13 @@ impl Shift {
             match t {
                 tt::TokenTree::Leaf(leaf) => match leaf {
                     tt::Leaf::Ident(ident) => ident.id = self.shift(ident.id),
-                    _ => (),
+                    tt::Leaf::Punct(punct) => punct.id = self.shift(punct.id),
+                    tt::Leaf::Literal(lit) => lit.id = self.shift(lit.id),
                 },
-                tt::TokenTree::Subtree(tt) => self.shift_all(tt),
+                tt::TokenTree::Subtree(tt) => {
+                    tt.delimiter.as_mut().map(|it: &mut Delimiter| it.id = self.shift(it.id));
+                    self.shift_all(tt)
+                }
             }
         }
     }
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