From d0f3d30643b485c6fb16237a0a294ed323dbd574 Mon Sep 17 00:00:00 2001
From: Stefano Sanfilippo <a.little.coder@gmail.com>
Date: Thu, 27 Nov 2014 22:10:10 +0100
Subject: [PATCH] Fixing two NPEs in case of missing else and missing main.

---
 Nodes.cpp | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/Nodes.cpp b/Nodes.cpp
index db18654..d1db6b0 100644
--- a/Nodes.cpp
+++ b/Nodes.cpp
@@ -89,10 +89,12 @@ void Branch::emit(std::ostream &stream, int indent) {
         }
     }
 
-    stream << " else {\n";
-    els->emit(stream, indent + 1);
-    emitIndent(stream, indent);
-    stream << "}";
+    if (els != nullptr) {
+        stream << " else {\n";
+        els->emit(stream, indent + 1);
+        emitIndent(stream, indent);
+        stream << "}";
+    }
 }
 
 void VarDeclaration::emit(std::ostream &stream, int indent) {
@@ -186,6 +188,8 @@ void Program::emit(std::ostream &stream, int indent) {
         f->emit(stream);
     }
 
-    main->emit(stream);
+    if (main != nullptr) {
+        main->emit(stream);
+    }
 }