StringOperand.java

/*
  StringOperand.java

  (c) 2008-2013 Edward Swartz

  All rights reserved. This program and the accompanying materials
  are made available under the terms of the Eclipse Public License v1.0
  which accompanies this distribution, and is available at
  http://www.eclipse.org/legal/epl-v10.html
 */
package v9t9.tools.asm.operand.hl;

import v9t9.common.asm.IInstruction;
import v9t9.common.asm.ResolveException;
import v9t9.tools.asm.IAssembler;
import v9t9.tools.asm.operand.ll.LLOperand;

/**
 * @author ejs
 *
 */
public class StringOperand extends BaseOperand {

	private String string;

	public StringOperand(String string) {
		this.string = string;
	}
	
	@Override
	public String toString() {
		return '"' + string + '"';
	}
	
	public String getString() {
		return string;
	}

	/* (non-Javadoc)
	 * @see v9t9.tools.asm.operand.hl.AssemblerOperand#isMemory()
	 */
	@Override
	public boolean isMemory() {
		return false;
	}
	/* (non-Javadoc)
	 * @see v9t9.tools.asm.operand.hl.AssemblerOperand#isRegister()
	 */
	@Override
	public boolean isRegister() {
		return false;
	}
	
	/* (non-Javadoc)
	 * @see v9t9.tools.asm.operand.hl.AssemblerOperand#isConst()
	 */
	@Override
	public boolean isConst() {
		return true;
	}
	
	
	/* (non-Javadoc)
	 * @see v9t9.engine.cpu.Operand#resolve(v9t9.tools.asm.Assembler, v9t9.engine.cpu.RawInstruction)
	 */
	public LLOperand resolve(IAssembler assembler, IInstruction inst)
			throws ResolveException {
		throw new ResolveException(this, "Cannot resolve a string outside DB, BYTE, TEXT, etc.");
	}

	/* (non-Javadoc)
	 * @see v9t9.tools.asm.operand.hl.AssemblerOperand#getChildren()
	 */
	@Override
	public AssemblerOperand[] getChildren() {
		return new AssemblerOperand[0];
	}
	
	/* (non-Javadoc)
	 * @see v9t9.tools.asm.operand.hl.AssemblerOperand#addOffset(int)
	 */
	@Override
	public AssemblerOperand addOffset(int i) {
		return null;
	}
}