Added constant types as well as value of variable.

src/com/webcodepro/applecommander/compiler/Variable.java

@@ -24,18 +24,24 @@ package com.webcodepro.applecommander.compiler;
  * @author Rob
  */
 public class Variable {
+//	FIXME: Should Variable have specific subclasses that handle the types appropriately?
 	public static final int TYPE_STRING = 1;
 	public static final int TYPE_INTEGER = 2;
 	public static final int TYPE_FLOAT = 3;
+	public static final int CONST_STRING = 4;
+	public static final int CONST_INTEGER = 5;
+	public static final int CONST_FLOAT = 6;
 	private String name;
+	private String value;
 	private int type;
 	
 	/**
 	 * Construct a Variable.
 	 */
-	public Variable(String name, int type) {
+	public Variable(String name, int type, String value) {
 		this.name = name;
 		this.type = type;
+		this.value = value;
 	}
 	
 	/**
@@ -72,4 +78,46 @@ public class Variable {
 	public boolean isTypeFloat() {
 		return type == TYPE_FLOAT;
 	}
+	
+	/**
+	 * Answers true if this is a variable.
+	 */
+	public boolean isVariableType() {
+		return isTypeFloat() || isTypeInteger() || isTypeString();
+	}
+	
+	/**
+	 * Answers true if this is a string constant.
+	 */
+	public boolean isConstantString() {
+		return type == CONST_STRING;
+	}
+
+	/**
+	 * Answers true if this is an integer constant.
+	 */
+	public boolean isConstantInteger() {
+		return type == CONST_INTEGER;
+	}
+	
+	/**
+	 * Answers true if this is a floating point constant.
+	 */
+	public boolean isConstantFloat() {
+		return type == CONST_FLOAT;
+	}
+	
+	/**
+	 * Answers true if this is a constant value.
+	 */
+	public boolean isConstant() {
+		return isConstantString() || isConstantInteger() || isConstantFloat();
+	}
+	
+	/**
+	 * Return the value.
+	 */
+	public String getValue() {
+		return value;
+	}
 }