Make SetExpression check whether the LHS is null

fixes #7814
2014-11-24 17:02:22 +01:00 · 2014-11-24 17:02:22 +01:00 · ed81cb0f2c
parent fddead5303
commit ed81cb0f2c
1 changed files with 4 additions and 0 deletions
--- a/lib/config/expression.cpp
+++ b/lib/config/expression.cpp
@ -280,6 +280,10 @@ Value SetExpression::DoEvaluate(VMFrame& frame, DebugHint *dhint) const

 			if (!vexpr) {
 				object = indexExpr->Evaluate(frame, dhint);
+
+				if (!object)
+					BOOST_THROW_EXCEPTION(ConfigError("Left-hand side argument must not be null."));
+
 				continue;
 			}