From 7bda9de511a5642efb297eae98c6ea7c42b27754 Mon Sep 17 00:00:00 2001
From: "Benjamin J. Culkin" <bjculkin@mix.wvu.edu>
Date: Wed, 25 Oct 2017 12:10:14 -0300
Subject: Start switch to maven modules

---
 base/src/bjc/dicelang/expr/Token.java | 88 +++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 base/src/bjc/dicelang/expr/Token.java

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

diff --git a/base/src/bjc/dicelang/expr/Token.java b/base/src/bjc/dicelang/expr/Token.java
new file mode 100644
index 0000000..bf92f97
--- /dev/null
+++ b/base/src/bjc/dicelang/expr/Token.java
@@ -0,0 +1,88 @@
+package bjc.dicelang.expr;
+
+/*
+ * @TODO 10/08/17 :TokenReorg
+ * 	I am not a fan of this 'having a bunch of subclasses' in one thing I
+ * 	seem to have been doing around this project. This should be multiple
+ * 	subclasses, one for each value for TokenType.
+ */
+/**
+ * Represents a lexical token.
+ *
+ * @author Ben Culkin
+ */
+public class Token {
+	/* The state for this token. */
+	private final Tokens tks;
+
+	/**
+	 * The type of the token.
+	 *
+	 * Determines which fields have a value.
+	 */
+	public final TokenType typ;
+
+	/** The integer value attached to this token. */
+	public int intValue;
+
+	/** The original string this token was part of. */
+	public String rawValue;
+
+	/**
+	 * Create a new token.
+	 *
+	 * @param type
+	 *                The type of this token.
+	 *
+	 * @param raw
+	 *                The string this token came from.
+	 *
+	 * @param toks
+	 *                The state for this token
+	 */
+	public Token(final TokenType type, final String raw, final Tokens toks) {
+		this.typ = type;
+
+		rawValue = raw;
+		tks = toks;
+	}
+
+	@Override
+	public String toString() {
+		String typeStr = typ.toString();
+		       typeStr = String.format("%s (%s)", typeStr, typ.name());
+
+		if (typ == TokenType.VREF) {
+			typeStr += " (ind. " + intValue;
+			typeStr += ", sym. \"" + tks.symbolTable.get(intValue) + "\")";
+		}
+
+		return String.format("%s (originally from: %s)", typeStr, rawValue);
+	}
+
+	/**
+	 * Convert this token into the string representation of it.
+	 *
+	 * @return The string representation of it.
+	 */
+	public String toExpr() {
+		switch (typ) {
+		case ADD:
+			return "+";
+		case SUBTRACT:
+			return "-";
+		case MULTIPLY:
+			return "*";
+		case DIVIDE:
+			return "/";
+		case VREF:
+			return tks.symbolTable.get(intValue);
+		case OPAREN:
+			return "(";
+		case CPAREN:
+			return ")";
+		default:
+			return "???";
+		}
+	}
+}
-- 
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