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Dragome SDK module: bytecode to javascript compiler

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package com.dragome.compiler.generators;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintStream;

import com.dragome.compiler.DragomeJsCompiler;
import com.dragome.compiler.ast.TypeDeclaration;
import com.dragome.compiler.utils.Log;

public abstract class Generator extends AbstractVisitor
{

	final String whiteSpace;

	int depth;

	char lastChar;

	String[] indents;

	private PrintStream stream;

	TypeDeclaration typeDecl;

	public Generator()
	{
		if (DragomeJsCompiler.compiler.isCompression())
		{
			whiteSpace= "";
		}
		else
		{
			whiteSpace= " ";
		}
	}

	public PrintStream getOutputStream()
	{
		return stream;
	}

	public void setOutputPath(String path) throws FileNotFoundException
	{
		Log.getLogger().info("Destination file is " + path);
		setOutputStream(new PrintStream(new FileOutputStream(path)));
	}

	public void setOutputStream(PrintStream theStream)
	{
		stream= theStream;
	}

	public void flush()
	{
		stream.flush();
	}

	void indent()
	{

		if (DragomeJsCompiler.compiler.isCompression())
			return;
		String INDENT= "\t";
		if (indents == null || depth >= indents.length)
		{
			indents= new String[2 * depth];
			indents[0]= "";
			for (int i= 1; i < indents.length; i++)
			{
				indents[i]= indents[i - 1] + INDENT;
			}
		}
		print(indents[depth]);
	}

	void print(String s)
	{
		stream.print(s);
		if (s.length() > 0)
			lastChar= s.charAt(s.length() - 1);
	}

	void println(String s)
	{
		print(s);
		stream.println("");
	}

	void indentln(String s)
	{
		indent();
		println(s);
	}

	void indent(String s)
	{
		indent();
		print(s);
	}
}