From dbc7b4eb4f9afe34dc758bb1f545616b19d71923 Mon Sep 17 00:00:00 2001
From: Deukhoofd <Deukhoofd@gmail.com>
Date: Wed, 28 Nov 2018 12:11:09 +0100
Subject: [PATCH] Add warnings when variable types are unknown

---
 Upsilon/Binder/Binder.cs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Upsilon/Binder/Binder.cs b/Upsilon/Binder/Binder.cs
index 1e4950b..c5772d0 100644
--- a/Upsilon/Binder/Binder.cs
+++ b/Upsilon/Binder/Binder.cs
@@ -317,10 +317,13 @@ namespace Upsilon.Binder
                 var boundVariable = TryBindVariable(name, isLocal, boundExpression, e.CommentData);
                 if (boundVariable != null)
                 {
+                    if (boundVariable.Type == Type.Unknown)
+                    {
+                        _diagnostics.LogUnknownVariableType(boundVariable.Name, variableExpression.Span);
+                    }
                     var variable = new BoundVariableSymbol(boundVariable, variableExpression.Span);
                     return new BoundVariableAssignment(variable, boundExpression, isLocal, e.Span);
                 }
-
             }
 
             return new BoundExpressionStatement(new BoundLiteralExpression(new ScriptNull(), e.Span), e.Span);
@@ -335,6 +338,10 @@ namespace Upsilon.Binder
             foreach (var identifierToken in s.Identifiers)
             {
                 var boundVariable = TryBindVariable(identifierToken.Name, isLocal, assignment, null);
+                if (boundVariable.Type == Type.Unknown)
+                {
+                    _diagnostics.LogUnknownVariableType(boundVariable.Name, identifierToken.Span);
+                }
                 ls.Add(boundVariable);
             }
             return new BoundMultiAssignmentStatement(ls.ToImmutableArray(), assignment, s.Span);