More work on AST

src/jrr1g18/boring/Lexer.java

@@ -109,7 +109,6 @@ public class Lexer {
     }
 
     /**
-     * 
      * @return All tokens
      * @throws IllegalCharacterException When an illegal character is
      *                                   encountered

src/jrr1g18/boring/Parser.java

@@ -25,7 +25,7 @@ public class Parser {
 	}
     }
 
-    private void err(TokenType expected, TokenType actual)
+    private static void err(TokenType expected, TokenType actual)
 	    throws IllegalTokenException {
 	throw new IllegalTokenException(
 		"Expected: " + Lib.tokenTypeToString(expected) + " got: "
@@ -33,7 +33,7 @@ public class Parser {
 
     }
 
-    private void err(TokenType actual) throws IllegalTokenException {
+    private static void err(TokenType actual) throws IllegalTokenException {
 	throw new IllegalTokenException(
 		"Illegal Token: " + Lib.tokenTypeToString(actual));
     }

src/jrr1g18/boring/ast/ASTNode.java → src/jrr1g18/boring/nodes/ASTNode.java

-package jrr1g18.boring.ast;
+package jrr1g18.boring.nodes;
 
 public abstract class ASTNode {
     public enum NodeType {

src/jrr1g18/boring/ast/BinaryOperationNode.java → src/jrr1g18/boring/nodes/BinaryOperationNode.java

-package jrr1g18.boring.ast;
+package jrr1g18.boring.nodes;
 
 import jrr1g18.boring.tokens.Token.TokenType;
 

src/jrr1g18/boring/ast/ValueNode.java → src/jrr1g18/boring/nodes/ValueNode.java

-package jrr1g18.boring.ast;
+package jrr1g18.boring.nodes;
 
 public class ValueNode extends ASTNode {