Switch to generic visitor pattern.

Triangle.Compiler/src/main/java/Triangle/CodeGenerator/Entities/KnownValue.java

@@ -0,0 +1,39 @@
+/*
+ * @(#)KnownValue.java                        2.1 2003/10/07
+ *
+ * Copyright (C) 1999, 2003 D.A. Watt and D.F. Brown
+ * Dept. of Computing Science, University of Glasgow, Glasgow G12 8QQ Scotland
+ * and School of Computer and Math Sciences, The Robert Gordon University,
+ * St. Andrew Street, Aberdeen AB25 1HG, Scotland.
+ * All rights reserved.
+ *
+ * This software is provided free for educational use only. It may
+ * not be used for commercial purposes without the prior written permission
+ * of the authors.
+ */
+
+package Triangle.CodeGenerator.Entities;
+
+import Triangle.AbstractMachine.OpCode;
+import Triangle.AbstractSyntaxTrees.Vnames.Vname;
+import Triangle.CodeGenerator.Emitter;
+import Triangle.CodeGenerator.Frame;
+
+public class KnownValue extends RuntimeEntity implements FetchableEntity {
+
+	private final int value;
+
+	public KnownValue(int size, int value) {
+		super(size);
+		this.value = value;
+	}
+
+	public final int getValue() {
+		return value;
+	}
+
+	public void encodeFetch(Emitter emitter, Frame frame, int size, Vname vname) {
+		// presumably offset = 0 and indexed = false
+		emitter.emit(OpCode.LOADL, 0, value);
+	}
+}