Node.java

package inter;         // File Node.java
import lexer.*;
public class Node {
	int lexline = 0;
	Node() { lexline = Lexer.line; }
	void error(String s) { throw new Error("near line "+lexline+": "+s); }
	static int labels = 0;
	public int newlabel() { return ++labels; }
	public void emitlabel(int i) { System.out.print("L" + i + ":" ); }
	public void emit(String s) { System.out.println("\t" + s); }
}