Added exception for when the position is not directly available

src/main/java/fr/insarennes/nperier/minichamo/errors/ParsingException.java

@@ -19,4 +19,8 @@ public class ParsingException extends RuntimeException {
         this(message, p.getPosition());
     }
 
+    public ParsingException(String message, Exception err, SymbolPosition pos) {
+        super(message + " "+ pos, err);
+    }
+
 }

src/main/java/fr/insarennes/nperier/minichamo/errors/PartialException.java

+package fr.insarennes.nperier.minichamo.errors;
+
+public class PartialException extends RuntimeException {
+
+    public PartialException(String message) {
+        super(message);
+    }
+
+}