From 262b9c39824b58068d89d6c5cf53d8fea782b11c Mon Sep 17 00:00:00 2001
From: Lukas Wirth <lukastw97@gmail.com>
Date: Wed, 23 Dec 2020 16:34:30 +0100
Subject: Track labels in the HIR

---
 crates/hir_def/src/expr.rs | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

(limited to 'crates/hir_def/src/expr.rs')

diff --git a/crates/hir_def/src/expr.rs b/crates/hir_def/src/expr.rs
index e5d740a36..b080f1553 100644
--- a/crates/hir_def/src/expr.rs
+++ b/crates/hir_def/src/expr.rs
@@ -29,6 +29,12 @@ pub(crate) fn dummy_expr_id() -> ExprId {
 
 pub type PatId = Idx<Pat>;
 
+#[derive(Debug, Clone, Eq, PartialEq)]
+pub struct Label {
+    pub name: Name,
+}
+pub type LabelId = Idx<Label>;
+
 #[derive(Debug, Clone, Eq, PartialEq)]
 pub enum Literal {
     String(String),
@@ -52,22 +58,22 @@ pub enum Expr {
     Block {
         statements: Vec<Statement>,
         tail: Option<ExprId>,
-        label: Option<Name>,
+        label: Option<LabelId>,
     },
     Loop {
         body: ExprId,
-        label: Option<Name>,
+        label: Option<LabelId>,
     },
     While {
         condition: ExprId,
         body: ExprId,
-        label: Option<Name>,
+        label: Option<LabelId>,
     },
     For {
         iterable: ExprId,
         pat: PatId,
         body: ExprId,
-        label: Option<Name>,
+        label: Option<LabelId>,
     },
     Call {
         callee: ExprId,
-- 
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