From 125479852c0d90845ed74997a12707a4b1eda087 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9a=20Saviot?= <lea.saviot@numworks.com>
Date: Tue, 6 Nov 2018 11:08:11 +0100
Subject: [PATCH] [poincare/parser] Error when Equal does not have a left hand
 side

---
 poincare/src/parsing/parser.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/poincare/src/parsing/parser.cpp b/poincare/src/parsing/parser.cpp
index 527f28ae0..7654e3bde 100644
--- a/poincare/src/parsing/parser.cpp
+++ b/poincare/src/parsing/parser.cpp
@@ -164,6 +164,10 @@ void Parser::parseCaret(Expression & leftHandSide) {
 }
 
 void Parser::parseEqual(Expression & leftHandSide) {
+  if (leftHandSide.isUninitialized()) {
+    m_status = Status::Error; // Equal must have a left operand
+    return;
+  }
   if (leftHandSide.type() == ExpressionNode::Type::Equal) {
     m_status = Status::Error; // Equal is not associative
     return;