diff --git a/OrcJava/src/orc/BackendDemo.java b/OrcJava/src/orc/BackendDemo.java
index 1774c3943..8b8f714d0 100644
--- a/OrcJava/src/orc/BackendDemo.java
+++ b/OrcJava/src/orc/BackendDemo.java
@@ -58,7 +58,7 @@ public static void main(final String[] args) throws CompilationException, IOExce
 		final Config cfg = new Config();
 		cfg.processArgs(args);
 		// compile the specified input stream to OIL
-		final Expression e = Orc.compile(cfg.getReader(), cfg);
+		final Expression e = Orc.compile(cfg);
 		if (e == null) {
 			return;
 		}
diff --git a/OrcJava/src/orc/Config.java b/OrcJava/src/orc/Config.java
index f503c4595..2814fe06b 100644
--- a/OrcJava/src/orc/Config.java
+++ b/OrcJava/src/orc/Config.java
@@ -15,6 +15,7 @@
 
 package orc;
 
+import java.io.ByteArrayInputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
@@ -280,6 +281,12 @@ public void setInputFile(final File file) throws CmdLineException {
 		}
 	}
 	
+	public void inputFromString(final String source) {
+		instream = new ByteArrayInputStream(source.getBytes());
+		filename = "text";
+		hasInputFile = true;
+	}
+	
 	@Option(name = "-exceptions", usage = "Enable exceptions (experimental), which is disabled by default.")
 	public void setExceptionsOn(final boolean exceptionsOn) {
 		this.exceptionsOn = exceptionsOn;
diff --git a/OrcJava/src/orc/Orc.java b/OrcJava/src/orc/Orc.java
index 063d68329..5140f0c62 100644
--- a/OrcJava/src/orc/Orc.java
+++ b/OrcJava/src/orc/Orc.java
@@ -14,7 +14,6 @@
 package orc;
 
 import java.io.IOException;
-import java.io.Reader;
 
 import orc.ast.extended.declaration.Declaration;
 import orc.ast.extended.expression.Declare;
@@ -75,7 +74,7 @@ public static void main(final String[] args) {
 		engine.run(n);
 	}
 
-	public static Expression compile(final Reader source, final Config cfg) throws IOException {
+	public static Expression compile(final Config cfg) throws IOException {
 		final OrcCompiler compiler = new OrcCompiler(cfg);
 		return compiler.call();
 	}
diff --git a/OrcJava/src/orc/ast/oil/type/Type.java b/OrcJava/src/orc/ast/oil/type/Type.java
index 98358c1e8..2ad734344 100755
--- a/OrcJava/src/orc/ast/oil/type/Type.java
+++ b/OrcJava/src/orc/ast/oil/type/Type.java
@@ -60,6 +60,7 @@ public abstract class Type {
 	public static orc.ast.xml.type.Type[] marshalAll(List<Type> ts) {
 		
 		if (ts == null) { return null; }
+		
 		orc.ast.xml.type.Type[] newts = new orc.ast.xml.type.Type[ts.size()];
 		int i = 0;
 		for (Type t : ts) {
diff --git a/OrcJava/src/orc/ast/xml/expression/Stop.java b/OrcJava/src/orc/ast/xml/expression/Stop.java
index 88f65d83a..0e8675573 100644
--- a/OrcJava/src/orc/ast/xml/expression/Stop.java
+++ b/OrcJava/src/orc/ast/xml/expression/Stop.java
@@ -4,6 +4,9 @@
 import orc.error.compiletime.CompilationException;
 
 public class Stop extends Expression {
+	
+	public Stop() {}
+	
 	@Override
 	public orc.ast.oil.expression.Expression unmarshal(Config config) throws CompilationException {
 		return new orc.ast.oil.expression.Stop();
diff --git a/OrcJava/src/orc/ast/xml/type/Bot.java b/OrcJava/src/orc/ast/xml/type/Bot.java
index 0b9277275..961a17766 100644
--- a/OrcJava/src/orc/ast/xml/type/Bot.java
+++ b/OrcJava/src/orc/ast/xml/type/Bot.java
@@ -3,6 +3,8 @@
 import orc.env.Env;
 
 public class Bot extends Type {
+	
+	public Bot() {}
 
 	@Override
 	public orc.ast.oil.type.Type unmarshal() {
diff --git a/OrcJava/src/orc/ast/xml/type/Top.java b/OrcJava/src/orc/ast/xml/type/Top.java
index 4ae1a529e..c5a642010 100644
--- a/OrcJava/src/orc/ast/xml/type/Top.java
+++ b/OrcJava/src/orc/ast/xml/type/Top.java
@@ -4,6 +4,8 @@
 
 public class Top extends Type {
 
+	public Top() {}
+	
 	@Override
 	public orc.ast.oil.type.Type unmarshal() {
 		return orc.ast.oil.type.Type.TOP;
diff --git a/OrcJava/src/orc/ast/xml/type/Type.java b/OrcJava/src/orc/ast/xml/type/Type.java
index f208f5eca..b51cfa36e 100644
--- a/OrcJava/src/orc/ast/xml/type/Type.java
+++ b/OrcJava/src/orc/ast/xml/type/Type.java
@@ -20,6 +20,9 @@ public abstract class Type {
 	public abstract orc.ast.oil.type.Type unmarshal();
 	
 	public static List<orc.ast.oil.type.Type> unmarshalAll(Type[] ts) {
+		
+		if (ts == null) { return null; }
+		
 		List<orc.ast.oil.type.Type> newts = new LinkedList<orc.ast.oil.type.Type>();
 		for (Type t : ts) {
 			newts.add(t.unmarshal());
diff --git a/OrcJava/src/orc/ast/xml/type/TypeVariable.java b/OrcJava/src/orc/ast/xml/type/TypeVariable.java
index 67f7ee21b..a002b407e 100644
--- a/OrcJava/src/orc/ast/xml/type/TypeVariable.java
+++ b/OrcJava/src/orc/ast/xml/type/TypeVariable.java
@@ -15,6 +15,7 @@ public class TypeVariable extends Type {
 	@XmlAttribute(required=false)
 	public String name;
 	
+	public TypeVariable() {}
 	public TypeVariable(int index) {
 		this(index, null);
 	}
diff --git a/OrcJava/test/orc/test/ExamplesTest.java b/OrcJava/test/orc/test/ExamplesTest.java
index 8b1981b99..71e5d2f4b 100644
--- a/OrcJava/test/orc/test/ExamplesTest.java
+++ b/OrcJava/test/orc/test/ExamplesTest.java
@@ -112,7 +112,7 @@ public static void runOrcProgram(final Config config, final File file, final Lin
 		config.setQuietChecking(true);
 
 		final OrcEngine engine = new OrcEngine(config);
-		orc.ast.oil.expression.Expression expr = Orc.compile(config.getReader(), config);
+		orc.ast.oil.expression.Expression expr = Orc.compile(config);
 		if (expr == null) {
 			throw new CompilationException("Compilation to OIL failed");
 		}
diff --git a/OrcJava/test/orc/test/OilTest.java b/OrcJava/test/orc/test/OilTest.java
index 0f7d860f0..3b11e918c 100644
--- a/OrcJava/test/orc/test/OilTest.java
+++ b/OrcJava/test/orc/test/OilTest.java
@@ -15,7 +15,6 @@
 
 import java.io.File;
 import java.io.IOException;
-import java.io.StringReader;
 
 import orc.Config;
 import orc.Orc;
@@ -30,7 +29,7 @@ public class OilTest {
 	public void unmarshal() throws CompilationException, IOException, CmdLineException {
 		final Config config = new Config();
 		config.setInputFile(new File("examples/strcat.orc")); //Must have a file in config.  It can be bogus. :-)
-		final Oil oil1 = new Oil(Orc.compile(new StringReader("1"), config));
+		final Oil oil1 = new Oil(Orc.compile(config));
 		final String xml = oil1.toXML();
 		System.out.println(xml);
 		// TODO: verify the syntax of the XML;