1 files changed, 0 insertions, 106 deletions
diff --git a/JPratt/src/main/java/bjc/pratt/tokens/TokenStream.java b/JPratt/src/main/java/bjc/pratt/tokens/TokenStream.java
deleted file mode 100644
index dc09bcc..0000000
--- a/JPratt/src/main/java/bjc/pratt/tokens/TokenStream.java
+++ /dev/null
@@ -1,106 +0,0 @@
-package bjc.pratt.tokens;
-
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Set;
-
-import bjc.utils.funcutils.StringUtils;
-
-/**
- * A stream of tokens.
- *
- * @author EVE
- *
- * @param <K>
- *        The key type of the token.
- *
- * @param <V>
- *        The value type of the token.
- */
-public abstract class TokenStream<K, V> implements Iterator<Token<K, V>> {
-	/**
-	 * Get the current token.
-	 *
-	 * @return The current token.
-	 */
-	public abstract Token<K, V> current();
-
-	@Override
-	public abstract Token<K, V> next();
-
-	@Override
-	public abstract boolean hasNext();
-
-	/**
-	 * Place a mark in the current stream, which can be either returned to or abandoned later on.
-	 */
-	public abstract void mark();
-	
-	/**
-	 * Reset the stream to the state it was in when the last mark was taken.
-	 */
-	public abstract void rollback();
-	
-	/**
-	 * Check if the stream has at least one mark.
-	 * 
-	 * @return Whether or not at least one mark exists.
-	 */
-	public abstract boolean hasMark();
-	
-	/**
-	 * Remove the last mark placed into the stream. This prevents returning to it later on.
-	 */
-	public abstract void commit();
-	
-	/**
-	 * Utility method for checking that the next token is one of a specific
-	 * set of types, and then consuming it.
-	 *
-	 * @param expectedKeys
-	 *        The expected values
-	 *
-	 * @throws ExpectionNotMet
-	 *         If the token is not one of the expected types.
-	 */
-	public void expect(final Set<K> expectedKeys) throws ExpectionNotMet {
-		final K curKey = current().getKey();
-
-		if(!expectedKeys.contains(curKey)) {
-			final String expectedList = StringUtils.toEnglishList(expectedKeys.toArray(), false);
-
-			throw new ExpectionNotMet("One of '" + expectedList + "' was expected, not " + curKey);
-		}
-
-		next();
-	}
-
-	/**
-	 * Utility method for checking that the next token is one of a specific
-	 * set of types, and then consuming it.
-	 *
-	 * @param expectedKeys
-	 *        The expected values
-	 *
-	 * @throws ExpectionNotMet
-	 *         If the token is not one of the expected types.
-	 */
-	@SafeVarargs
-	public final void expect(final K... expectedKeys) throws ExpectionNotMet {
-		HashSet<K> keys = new HashSet<>(Arrays.asList(expectedKeys));
-		expect(keys);
-	}
-
-	/**
-	 * Check whether the head token is a certain type.
-	 *
-	 * @param val
-	 *        The type to check for.
-	 *
-	 * @return Whether or not the head token is of that type.
-	 */
-	public boolean headIs(final K val) {
-		return current().getKey().equals(val);
-	}
-}