From f9d9bd4bbf7dd6a297e1daf5ee7b4263d706d9cd Mon Sep 17 00:00:00 2001
From: bjculkin <bjculkin@mix.wvu.edu>
Date: Thu, 1 Mar 2018 19:13:48 -0500
Subject: Update

---
 base/src/bjc/dicelang/tokens/Token.java | 168 ++++++++++++++++++++++++++++++++
 1 file changed, 168 insertions(+)
 create mode 100644 base/src/bjc/dicelang/tokens/Token.java

(limited to 'base/src/bjc/dicelang/tokens/Token.java')

diff --git a/base/src/bjc/dicelang/tokens/Token.java b/base/src/bjc/dicelang/tokens/Token.java
new file mode 100644
index 0000000..1a11ccd
--- /dev/null
+++ b/base/src/bjc/dicelang/tokens/Token.java
@@ -0,0 +1,168 @@
+package bjc.dicelang.tokens;
+
+import bjc.utils.funcdata.IList;
+
+/*
+ * @TODO 10/09/17 Ben Culkin :TokenReorg
+ * 
+ * Split the class into subclasses based off of type.
+ */
+/**
+ * Lexer token.
+ */
+@SuppressWarnings("javadoc")
+public class Token {
+	public final static Token NIL_TOKEN = new Token(Type.NIL);
+
+	/**
+	 * Possible token types
+	 */
+	public static enum Type {
+		/*
+		 * Natural tokens
+		 * 
+		 * These are produced from lexemes.
+		 */
+		/*
+		 * Math tokens.
+		 */
+		ADD, SUBTRACT, MULTIPLY, DIVIDE, IDIVIDE,
+
+		/*
+		 * Literal tokens.
+		 */
+		INT_LIT, FLOAT_LIT, STRING_LIT, VREF, DICE_LIT,
+
+		/*
+		 * Dice operators.
+		 */
+		DICESCALAR, DICEFUDGE, DICEGROUP, DICECONCAT, DICELIST,
+
+		/*
+		 * Expression operators.
+		 */
+		LET, BIND, COERCE,
+
+		/*
+		 * String operators.
+		 */
+		STRCAT, STRREP,
+
+		/*
+		 * Grouping operators.
+		 */
+		OPAREN, CPAREN, OBRACKET, CBRACKET, OBRACE, CBRACE,
+
+		/*
+		 * Synthetic tokens
+		 * 
+		 * These are produced when needed.
+		 */
+		NIL, GROUPSEP, TOKGROUP, TAGOP, TAGOPR
+	}
+
+	public final Type type;
+
+	/*
+	 * This is used for the following token types
+	 *
+	 * - INT_LIT (int value)
+	 * 
+	 * - STRING_LIT (index into string table)
+	 * 
+	 * - VREF (index into sym table)
+	 * 
+	 * - O* and C* (sym-count of current token)
+	 * 
+	 */
+	public long intValue;
+
+	/*
+	 * This is used for the following token types
+	 *
+	 * - TOKGROUP (the tokens in the group)
+	 * 
+	 * - TAG* (the tagged construct)
+	 * 
+	 */
+	public IList<Token> tokenValues;
+
+	public Token(final Type typ) {
+		type = typ;
+	}
+
+	public Token(final Type typ, final long val) {
+		this(typ);
+
+		intValue = val;
+	}
+
+	public Token(final Type typ, final IList<Token> tkVals) {
+		this(typ);
+
+		tokenValues = tkVals;
+	}
+
+	@Override
+	public String toString() {
+		switch(type) {
+		case INT_LIT:
+		case STRING_LIT:
+		case VREF:
+		case OPAREN:
+		case CPAREN:
+		case OBRACKET:
+		case CBRACKET:
+		case OBRACE:
+		case CBRACE:
+			return type.toString() + "(" + intValue + ")";
+
+		case TAGOP:
+		case TAGOPR:
+		case TOKGROUP:
+			return type.toString() + "(" + tokenValues + ")";
+
+		default:
+			return type.toString();
+		}
+	}
+
+	@Override
+	public boolean equals(final Object other) {
+		if(!(other instanceof Token)) {
+			return false;
+		}
+
+		final Token otk = (Token) other;
+
+		if(otk.type != type) {
+			return false;
+		}
+
+		switch(type) {
+		case OBRACE:
+		case OBRACKET:
+			return intValue == otk.intValue;
+		default:
+			return true;
+		}
+	}
+
+	public boolean isGrouper() {
+		switch(type) {
+		case OPAREN:
+		case OBRACE:
+		case OBRACKET:
+			return true;
+
+		default:
+			return false;
+		}
+	}
+
+	@Override
+	public int hashCode() {
+		// TODO Auto-generated method stub
+		return super.hashCode();
+	}
+}
-- 
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