From 3224869c2988be7125b13551b20ee9bb5496bc6c Mon Sep 17 00:00:00 2001
From: DanielGavin <danielgavin5@hotmail.com>
Date: Wed, 20 Jan 2021 16:10:16 +0100
Subject: [PATCH] handle expr is null in parse_binary_expr

---
 core/odin/parser/parser.odin | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/core/odin/parser/parser.odin b/core/odin/parser/parser.odin
index 84835bda9..e5d74f049 100644
--- a/core/odin/parser/parser.odin
+++ b/core/odin/parser/parser.odin
@@ -3064,7 +3064,13 @@ parse_unary_expr :: proc(p: ^Parser, lhs: bool) -> ^ast.Expr {
 	return parse_atom_expr(p, parse_operand(p, lhs), lhs);
 }
 parse_binary_expr :: proc(p: ^Parser, lhs: bool, prec_in: int) -> ^ast.Expr {
+	start_pos := p.curr_tok.pos;
 	expr := parse_unary_expr(p, lhs);
+
+	if expr == nil {
+		return ast.new(ast.Bad_Expr, start_pos, end_pos(p.prev_tok));
+	}
+	
 	for prec := token_precedence(p, p.curr_tok.kind); prec >= prec_in; prec -= 1 {
 		for {
 			op := p.curr_tok;