Flee

PublicTypes/Exceptions.cs

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+using Flee.InternalTypes;
+using Flee.Parsing;
+using Flee.Resources;
+
+namespace Flee.PublicTypes
+{
+    public enum CompileExceptionReason
+    {
+        SyntaxError,
+        ConstantOverflow,
+        TypeMismatch,
+        UndefinedName,
+        FunctionHasNoReturnValue,
+        InvalidExplicitCast,
+        AmbiguousMatch,
+        AccessDenied,
+        InvalidFormat
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    [Serializable()]
+    public sealed class ExpressionCompileException : Exception
+    {
+        private readonly CompileExceptionReason _myReason;
+        internal ExpressionCompileException(string message, CompileExceptionReason reason) : base(message)
+        {
+            _myReason = reason;
+        }
+
+        internal ExpressionCompileException(ParserLogException parseException) : base(string.Empty, parseException)
+        {
+            _myReason = CompileExceptionReason.SyntaxError;
+        }
+
+        private ExpressionCompileException(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context) : base(info, context)
+        {
+            _myReason = (CompileExceptionReason)info.GetInt32("Reason");
+        }
+
+        public override void GetObjectData(System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context)
+        {
+            base.GetObjectData(info, context);
+            info.AddValue("Reason", Convert.ToInt32(_myReason));
+        }
+
+        public override string Message
+        {
+            get
+            {
+                if (_myReason == CompileExceptionReason.SyntaxError)
+                {
+                    Exception innerEx = this.InnerException;
+                    string msg = $"{Utility.GetCompileErrorMessage(CompileErrorResourceKeys.SyntaxError)}: {innerEx.Message}";
+                    return msg;
+                }
+                else
+                {
+                    return base.Message;
+                }
+            }
+        }
+
+        public CompileExceptionReason Reason => _myReason;
+    }
+}