[[ LiveCode Builder ]] Throw error when trying to parse a non-numeric string as number

runrevali · runrevali · commit af19834bbe3f · 2014-12-17T16:25:20.000Z
diff --git a/libscript/src/module-arithmetic.cpp b/libscript/src/module-arithmetic.cpp
@@ -458,7 +458,10 @@ extern "C" MC_DLLEXPORT void MCArithmeticEvalStringParsedAsNumber(MCStringRef p_
 {
     double t_converted;
     if (!MCTypeConvertStringToReal(p_operand, t_converted))
+    {
+        MCErrorCreateAndThrow(kMCGenericErrorTypeInfo, "reason", MCSTR("input string is not a number"), nil);
         return;
+    }
     
     if (!MCNumberCreateWithReal(t_converted, r_output))
         return;
