From 151e0d90c34effcb78ac4189c11b095b045d803b Mon Sep 17 00:00:00 2001
From: Ryan Chandler <ryangjchandler@gmail.com>
Date: Thu, 28 Jul 2022 15:53:47 +0100
Subject: [PATCH] parser: support null constant

---
 trunk_parser/src/ast.rs        | 1 +
 trunk_parser/src/parser/mod.rs | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/trunk_parser/src/ast.rs b/trunk_parser/src/ast.rs
index 6f1db28..c82dd21 100644
--- a/trunk_parser/src/ast.rs
+++ b/trunk_parser/src/ast.rs
@@ -272,6 +272,7 @@ pub enum Expression {
     AnonymousClass(Option<Identifier>, Vec<Identifier>, Block),
     Bool(bool),
     ArrayIndex(Box<Self>, Option<Box<Self>>),
+    Null,
 }
 
 #[derive(Debug, Clone, PartialEq, Serialize)]
diff --git a/trunk_parser/src/parser/mod.rs b/trunk_parser/src/parser/mod.rs
index dfd9ea0..68d629e 100644
--- a/trunk_parser/src/parser/mod.rs
+++ b/trunk_parser/src/parser/mod.rs
@@ -739,6 +739,10 @@ impl Parser {
                 self.next();
                 e
             },
+            TokenKind::Null => {
+                self.next();
+                Expression::Null
+            },
             TokenKind::LeftParen => {
                 self.next();