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clean up constants

This commit is contained in:
Terence Parr 2012-06-01 17:38:54 -07:00
parent 94071d7d82
commit 59af8ab76b
1 changed files with 1 additions and 9 deletions
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10
runtime/Java/src/org/antlr/v4/runtime/Token.java
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@ -35,21 +35,13 @@ package org.antlr.v4.runtime;
*/ */
public interface Token { public interface Token {
public static final int INVALID_TYPE = 0; public static final int INVALID_TYPE = 0;
// public static final Token INVALID_TOKEN = new CommonToken(INVALID_TYPE);
public static final int MIN_TOKEN_TYPE = 1;
/** During lookahead operations, this "token" signifies we hit rule end ATN state /** During lookahead operations, this "token" signifies we hit rule end ATN state
* and did not follow it despite needing to. * and did not follow it despite needing to.
*/ */
public static final int EPSILON = -2; public static final int EPSILON = -2;
/** imaginary tree navigation type; traverse "get child" link */ public static final int MIN_USER_TOKEN_TYPE = 1;
public static final int DOWN = 1;
/** imaginary tree navigation type; finish with a child list */
public static final int UP = 2;
public static final int MIN_USER_TOKEN_TYPE = UP+1;
public static final int EOF = CharStream.EOF; public static final int EOF = CharStream.EOF;