From 8d28289d0f83225672fc42abcf684364582e73c5 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Fri, 31 Jul 2020 18:16:08 +0200
Subject: Specify literal tokens

---
 xtask/src/codegen/gen_syntax.rs | 1 +
 xtask/src/codegen/rust.ungram   | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/xtask/src/codegen/gen_syntax.rs b/xtask/src/codegen/gen_syntax.rs
index 059538696..e6231ece2 100644
--- a/xtask/src/codegen/gen_syntax.rs
+++ b/xtask/src/codegen/gen_syntax.rs
@@ -590,6 +590,7 @@ fn lower_rule(acc: &mut Vec<Field>, grammar: &Grammar, label: Option<&String>, r
                     | "op"
                     | "index"
                     | "base"
+                    | "value"
             );
             if manually_implemented {
                 return;
diff --git a/xtask/src/codegen/rust.ungram b/xtask/src/codegen/rust.ungram
index 8edabc3b9..bc1dd6761 100644
--- a/xtask/src/codegen/rust.ungram
+++ b/xtask/src/codegen/rust.ungram
@@ -239,7 +239,13 @@ Expr =
 | WhileExpr
 
 Literal =
-  Attr* 'int_number'
+  Attr* value:(
+    'int_number' | 'float_number'
+  | 'string' | 'raw_string'
+  | 'byte_string' | 'raw_byte_string'
+  | 'true' | 'false'
+  | 'char' | 'byte'
+  )
 
 PathExpr =
   Attr* Path
-- 
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