From b4e4e7f1d6749de92b0f2c5ca09eb4170704100f Mon Sep 17 00:00:00 2001
From: bjculkin <bjculkin@mix.wvu.edu>
Date: Fri, 31 Mar 2017 08:53:33 -0400
Subject: Move Pratt Parser to new project

---
 .../bjc/utils/parserutils/pratt/TokenStream.java   | 93 ----------------------
 1 file changed, 93 deletions(-)
 delete mode 100644 BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/TokenStream.java

(limited to 'BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/TokenStream.java')

diff --git a/BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/TokenStream.java b/BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/TokenStream.java
deleted file mode 100644
index db7d1e0..0000000
--- a/BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/TokenStream.java
+++ /dev/null
@@ -1,93 +0,0 @@
-package bjc.utils.parserutils.pratt;
-
-import bjc.utils.funcutils.StringUtils;
-import bjc.utils.parserutils.ParserException;
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Set;
-
-/**
- * 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>> {
-	/**
-	 * The exception thrown when an expectation fails.
-	 * 
-	 * @author EVE
-	 *
-	 */
-	public static class ExpectationException extends ParserException {
-		/**
-		 * Create a new exception with the specified message.
-		 * 
-		 * @param msg
-		 *                The message of the exception.
-		 */
-		public ExpectationException(String msg) {
-			super(msg);
-		}
-	}
-
-	/**
-	 * 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();
-
-	/**
-	 * 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 ExpectationException
-	 *                 If the token is not one of the expected types.
-	 */
-	public void expect(Set<K> expectedKeys) throws ExpectationException {
-		K curKey = current().getKey();
-
-		if (!expectedKeys.contains(curKey)) {
-			String expectedList = StringUtils.toEnglishList(expectedKeys.toArray(), false);
-
-			throw new ExpectationException("One of '" + expectedList + "' was expected, not " + curKey);
-		} else {
-			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 ExpectationException
-	 *                 If the token is not one of the expected types.
-	 */
-	@SafeVarargs
-	public final void expect(K... expectedKeys) throws ExpectationException {
-		expect(new HashSet<>(Arrays.asList(expectedKeys)));
-	}
-	
-	public boolean headIs(K val) {
-		return current().getKey().equals(val);
-	}
-}
-- 
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