Fix the exception handler bug (#1780)

If the debugger evaluate a variable out of the scope in eval mode, its get an error.

JerryScript-DCO-1.0-Signed-off-by: Levente Orban orbanl@inf.u-szeged.hu

tests/debugger/do_eval_syntax.cmd

@@ -0,0 +1,3 @@
+n
+eval loop
+c

tests/debugger/do_eval_syntax.expected

@@ -0,0 +1,8 @@
+Connecting to: localhost:5001
+Stopped at tests/debugger/do_eval_syntax.js:24
+(jerry-debugger) n
+Stopped at tests/debugger/do_eval_syntax.js:26
+(jerry-debugger) eval loop
+Uncaught exception: Error
+(jerry-debugger) c
+Connection closed.

tests/debugger/do_eval_syntax.js

@@ -0,0 +1,27 @@
+// Copyright JS Foundation and other contributors, http://js.foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+function foo(loop)
+{
+    while(loop)
+    {
+        print("eval");
+        print("syntax");
+    }
+}
+
+var a = 10;
+
+eval("bar = function bar() {\nprint('bar function') }");
+bar();