Added methods to check the type of a token easily

src/fr/insarennes/nperier/minichamo/utils/TokenPeekIterator.java

@@ -27,4 +27,20 @@ public class TokenPeekIterator extends PeekIterator<Token> {
         nextObject = lexer.hasNext() ? lexer.readNextSymbol() : new EofToken();
     }
 
+    public boolean nextIs(TokenType type) {
+        return next().getType() == type;
+    }
+
+    public boolean peekIs(TokenType type) {
+        return peek().getType() == type;
+    }
+
+    public boolean junkIf(TokenType type) {
+        if(peek().getType() == type) {
+            junk();
+            return true;
+        }
+        return false;
+    }
+
 }