diff --git a/docs/PA3.pdf b/docs/PA3.pdf
new file mode 100644
index 0000000..ad6b2ad
Binary files /dev/null and b/docs/PA3.pdf differ
diff --git a/miniJava/src/miniJava/SyntacticAnalyzer/Parser.java b/miniJava/src/miniJava/SyntacticAnalyzer/Parser.java
index ea433a5..9808272 100644
--- a/miniJava/src/miniJava/SyntacticAnalyzer/Parser.java
+++ b/miniJava/src/miniJava/SyntacticAnalyzer/Parser.java
@@ -500,10 +500,11 @@ public class Parser {
 	 * @throws IOException
 	 */
 	private Expression parseExpression() throws IOException {
+		
 		Expression e = parseCExpression();
 		while(peek(1).spelling.equals("||")) {
 			Operator o = new Operator(accept(Token.TYPE.BINOP), null);
-			e = new BinaryExpr(o, e, parseExpression(), null);
+			e = new BinaryExpr(o, e, parseCExpression(), null);
 		}
 		
 		return e;
@@ -515,10 +516,11 @@ public class Parser {
 	 * @throws IOException
 	 */
 	private Expression parseCExpression() throws IOException {
+
 		Expression e = parseEExpression();
 		while(peek(1).spelling.equals("&&")) {
 			Operator o = new Operator(accept(Token.TYPE.BINOP), null);
-			e = new BinaryExpr(o, e, parseCExpression(), null);
+			e = new BinaryExpr(o, e, parseEExpression(), null);
 		}
 		
 		return e;
@@ -530,10 +532,11 @@ public class Parser {
 	 * @throws IOException
 	 */
 	private Expression parseEExpression() throws IOException {
+		
 		Expression e = parseRExpression();
 		while(peek(1).spelling.equals("==") || peek(1).spelling.equals("!=")) {
 			Operator o = new Operator(accept(Token.TYPE.BINOP), null);
-			e = new BinaryExpr(o, e, parseEExpression(), null);
+			e = new BinaryExpr(o, e, parseRExpression(), null);
 		}
 		
 		return e;
@@ -545,11 +548,12 @@ public class Parser {
 	 * @throws IOException
 	 */
 	private Expression parseRExpression() throws IOException {
+		
 		Expression e = parseAExpression();
 		while(peek(1).spelling.equals("<") || peek(1).spelling.equals("<=")
 		   || peek(1).spelling.equals(">") || peek(1).spelling.equals(">=")) {
 			Operator o = new Operator(accept(Token.TYPE.BINOP), null);
-			e = new BinaryExpr(o, e, parseRExpression(), null);
+			e = new BinaryExpr(o, e, parseAExpression(), null);
 		}
 		
 		return e;
@@ -561,10 +565,11 @@ public class Parser {
 	 * @throws IOException
 	 */
 	private Expression parseAExpression() throws IOException {
+		
 		Expression e = parseMExpression();
 		while(peek(1).spelling.equals("+") || peek(1).spelling.equals("-")) {
 			Operator o = new Operator(accept(Token.TYPE.BINOP), null);
-			e = new BinaryExpr(o, e, parseAExpression(), null);
+			e = new BinaryExpr(o, e, parseMExpression(), null);
 		}
 		
 		return e;
@@ -576,10 +581,11 @@ public class Parser {
 	 * @throws IOException
 	 */
 	private Expression parseMExpression() throws IOException {
+		
 		Expression e = parseSingleExpression();
 		while(peek(1).spelling.equals("*") || peek(1).spelling.equals("/")) {
 			Operator o = new Operator(accept(Token.TYPE.BINOP), null);
-			e = new BinaryExpr(o, e, parseMExpression(), null);
+			e = new BinaryExpr(o, e, parseSingleExpression(), null);
 		}
 		
 		return e;
diff --git a/miniJava/src/tester/Checkpoint2.java b/miniJava/src/tester/Checkpoint2.java
new file mode 100644
index 0000000..d9d7711
--- /dev/null
+++ b/miniJava/src/tester/Checkpoint2.java
@@ -0,0 +1,98 @@
+package tester;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.FileInputStream;
+import java.util.Scanner;
+
+/* Automated regression tester for Checkpoint 2 tests
+ * Created by Max Beckman-Harned
+ * Put your tests in "tests/pa2_tests" folder in your Eclipse workspace directory
+ * If you preface your error messages / exceptions with ERROR or *** then they will be displayed if they appear during processing
+ */
+
+public class Checkpoint2 {
+	
+	private static class ReturnInfo {
+		int returnCode;
+		String ast;
+		public ReturnInfo(int _returnCode, String _ast) {
+			returnCode = _returnCode;
+			ast = _ast;
+		}
+	}
+	
+	public static void main(String[] args) throws IOException, InterruptedException {
+		File testDir = new File(System.getProperty("java.class.path")
+				+ "/../tests/pa2_tests");
+		int failures = 0;
+		for (File x : testDir.listFiles()) {
+			if (x.getName().endsWith("out") || x.getName().startsWith("."))
+				continue;
+			ReturnInfo info = runTest(x); 
+			int returnCode = info.returnCode;
+			String ast = info.ast;
+			if (x.getName().indexOf("pass") != -1) {
+				if (returnCode == 0) {
+					String actualAST = getAST(new FileInputStream(x.getPath() + ".out"));
+					if (actualAST.equals(ast))
+						System.out.println(x.getName() + " parsed successfully and has a correct AST!");
+					else {
+						System.err.println(x.getName() + " parsed successfully but has an incorrect AST!");
+						failures++;
+					}
+					}
+				else {
+					failures++;
+					System.err.println(x.getName()
+							+ " failed to be parsed!");
+				}
+			} else {
+				if (returnCode == 4)
+					System.out.println(x.getName() + " failed successfully!");
+				else {
+					System.err.println(x.getName() + " did not fail properly!");
+					failures++;
+				}
+			}
+		}
+		System.out.println(failures + " failures in all.");	
+	}
+	
+	private static ReturnInfo runTest(File x) throws IOException, InterruptedException {
+		ProcessBuilder pb = new ProcessBuilder("java", "miniJava.Compiler", x.getPath()).directory(new File(System.getProperty("java.class.path")));
+		pb.redirectErrorStream(true);
+		Process p = pb.start();
+
+		String ast = getAST(p.getInputStream());
+		p.waitFor();
+		int exitValue = p.exitValue();
+		return new ReturnInfo(exitValue, ast);
+	}
+	
+	
+	public static String getAST(InputStream stream) {
+		Scanner scan = new Scanner(stream);
+		String ast = null; 
+		while (scan.hasNextLine()) {
+			String line = scan.nextLine();
+			if (line.equals("======= AST Display =========================")) {
+				line = scan.nextLine();
+				while(scan.hasNext() && !line.equals("=============================================")) {
+					ast += line + "\n";
+					line = scan.nextLine();
+				}
+			}
+			if (line.startsWith("*** "))
+				System.out.println(line);
+			if (line.startsWith("ERROR")) {
+				System.out.println(line);
+				while(scan.hasNext())
+					System.out.println(scan.next());
+			}
+		}
+		scan.close();
+		return ast;
+	}
+}
diff --git a/miniJava/test.java b/miniJava/test.java
index 9bf40d7..6286286 100644
--- a/miniJava/test.java
+++ b/miniJava/test.java
@@ -1,10 +1,7 @@
-// Simple PA2 Example
-class PA2 {
+// PA1 lex binop pass
+class id {
+    void p(){
+        int x = 1 + 2 * 3 / 4 > 5 >= 6 < 7 <= 8 != 9 && 0 || 1;
+    }
+}
 
-	public boolean c;
-	private static id[] test;
-	
-	public static void main(String[] args) {
-		int x = -1 || 2 + (8 <= 8) == -6 && (9 > 10) * 3;
-	}
-}
\ No newline at end of file
diff --git a/miniJava/tests/pa2_tests/fail117.java b/miniJava/tests/pa2_tests/fail117.java
new file mode 100644
index 0000000..51c7eaf
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail117.java
@@ -0,0 +1,2 @@
+// PA1 lex comment fail
+class id {} /* unterminated 
diff --git a/miniJava/tests/pa2_tests/fail119.java b/miniJava/tests/pa2_tests/fail119.java
new file mode 100644
index 0000000..9c6137f
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail119.java
@@ -0,0 +1,2 @@
+// PA1 lex ill char fail
+class NonTokens{} #
diff --git a/miniJava/tests/pa2_tests/fail125.java b/miniJava/tests/pa2_tests/fail125.java
new file mode 100644
index 0000000..935b0ea
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail125.java
@@ -0,0 +1,7 @@
+// PA1 lex binop fail
+class id {
+    void p(){
+        int x = 1 &| 0;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/fail130.java b/miniJava/tests/pa2_tests/fail130.java
new file mode 100644
index 0000000..11ded62
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail130.java
@@ -0,0 +1,5 @@
+// PA1 lex trailing start char fail
+class Almost {
+   public static void main (String [] args) {
+   } // nothing follows next slash
+} /
\ No newline at end of file
diff --git a/miniJava/tests/pa2_tests/fail131.java b/miniJava/tests/pa2_tests/fail131.java
new file mode 100644
index 0000000..bd14a4f
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail131.java
@@ -0,0 +1,5 @@
+// PA1 lex comment fail
+class IllegalComment {
+   public static void main (String [] args) {
+   } // nothing follows final *
+}/* ****
\ No newline at end of file
diff --git a/miniJava/tests/pa2_tests/fail145.java b/miniJava/tests/pa2_tests/fail145.java
new file mode 100644
index 0000000..4101c57
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail145.java
@@ -0,0 +1,6 @@
+// PA1 parse field decl fail
+class id {
+    public void [] x;
+}
+
+
diff --git a/miniJava/tests/pa2_tests/fail146.java b/miniJava/tests/pa2_tests/fail146.java
new file mode 100644
index 0000000..827f6a8
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail146.java
@@ -0,0 +1,8 @@
+// PA1 parse local decl fail
+class id {
+    void foo() {
+        Nonesuch x[2] = 3;
+    }
+}
+
+
diff --git a/miniJava/tests/pa2_tests/fail147.java b/miniJava/tests/pa2_tests/fail147.java
new file mode 100644
index 0000000..eddf6f3
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail147.java
@@ -0,0 +1,8 @@
+// PA1 parse local decl fail
+class id {
+    public void f(){
+        Ref [] x(33);
+    }
+}
+
+
diff --git a/miniJava/tests/pa2_tests/fail148.java b/miniJava/tests/pa2_tests/fail148.java
new file mode 100644
index 0000000..3089be4
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail148.java
@@ -0,0 +1,8 @@
+// PA1 parse local decl fail
+class id {
+    public void f(){
+        int x;
+    }
+}
+
+
diff --git a/miniJava/tests/pa2_tests/fail150.java b/miniJava/tests/pa2_tests/fail150.java
new file mode 100644
index 0000000..bab8c4a
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail150.java
@@ -0,0 +1,6 @@
+// PA1 parse local decl fail
+class idfail {
+   public void foo () {
+      int [] x[3] = null;
+   }
+}
diff --git a/miniJava/tests/pa2_tests/fail151.java b/miniJava/tests/pa2_tests/fail151.java
new file mode 100644
index 0000000..a4a41e9
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail151.java
@@ -0,0 +1,6 @@
+// PA1 parse local decl fail
+class LValueFail {
+   void foo () {
+      true = false;
+   }
+}
diff --git a/miniJava/tests/pa2_tests/fail154.java b/miniJava/tests/pa2_tests/fail154.java
new file mode 100644
index 0000000..5dd2152
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail154.java
@@ -0,0 +1,6 @@
+// PA1 parse expr fail
+class IllegalExpressions {
+   void main () {
+      z = a+!=b;
+   }
+}
diff --git a/miniJava/tests/pa2_tests/fail155.java b/miniJava/tests/pa2_tests/fail155.java
new file mode 100644
index 0000000..dc85175
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail155.java
@@ -0,0 +1,6 @@
+// PA1 parse stmt fail
+class IllegalStmt {
+   void main () {
+       this;
+   }
+}
diff --git a/miniJava/tests/pa2_tests/fail158.java b/miniJava/tests/pa2_tests/fail158.java
new file mode 100644
index 0000000..f9b373c
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail158.java
@@ -0,0 +1,6 @@
+// PA1 parse ref fail
+class IllegalExpressions {
+    void foo () {
+      a b [c] = d;   // not ok
+   }
+}
diff --git a/miniJava/tests/pa2_tests/fail161.java b/miniJava/tests/pa2_tests/fail161.java
new file mode 100644
index 0000000..22416ab
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail161.java
@@ -0,0 +1,8 @@
+// PA1 parse decl fail
+class Test {
+
+    void p() {
+        boolean [] a = b;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/fail162.java b/miniJava/tests/pa2_tests/fail162.java
new file mode 100644
index 0000000..f4bc9f8
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail162.java
@@ -0,0 +1,8 @@
+// PA1 parse call fail
+class Test {
+
+    void p(int a, boolean b) {
+      int p(a,b);
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/fail163.java b/miniJava/tests/pa2_tests/fail163.java
new file mode 100644
index 0000000..1d8c0ee
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail163.java
@@ -0,0 +1,8 @@
+// PA1 parse decl fail
+class Test {
+
+    void p(int a) {
+        Test [ ]  x.y = a;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/fail164.java b/miniJava/tests/pa2_tests/fail164.java
new file mode 100644
index 0000000..80a6bf1
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail164.java
@@ -0,0 +1,8 @@
+// PA1 parse assign fail
+class Test {
+
+    void p(int a) {
+        Test [ ]  = a * 3;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/fail165.java b/miniJava/tests/pa2_tests/fail165.java
new file mode 100644
index 0000000..037c17c
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail165.java
@@ -0,0 +1,8 @@
+// PA1 parse call fail
+class Test {
+
+    void p(int a) {
+	c.p(2,3)[3] = 4;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/fail167.java b/miniJava/tests/pa2_tests/fail167.java
new file mode 100644
index 0000000..fd5425d
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail167.java
@@ -0,0 +1,8 @@
+// PA1 parse assign fail
+class Test {
+
+    void p() {
+	x.y() = z;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/fail168.java b/miniJava/tests/pa2_tests/fail168.java
new file mode 100644
index 0000000..2320941
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail168.java
@@ -0,0 +1,8 @@
+// PA1 parse decl fail
+class Test {
+
+    void p() {
+	c [] d b = new int[4];
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/fail201.java b/miniJava/tests/pa2_tests/fail201.java
new file mode 100644
index 0000000..8715814
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail201.java
@@ -0,0 +1,4 @@
+// PA2 local var decl fail
+class A {
+    int p(){A A A = b;}
+}
diff --git a/miniJava/tests/pa2_tests/fail206.java b/miniJava/tests/pa2_tests/fail206.java
new file mode 100644
index 0000000..3b72c53
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail206.java
@@ -0,0 +1,7 @@
+// PA2 statement after return
+class A {
+    int p(){
+        return 2; 
+        x = 3;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/fail207.java b/miniJava/tests/pa2_tests/fail207.java
new file mode 100644
index 0000000..8b5a027
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail207.java
@@ -0,0 +1,4 @@
+// PA2 missing first parameter name
+class A {
+    int p(A [], int b){}
+}
diff --git a/miniJava/tests/pa2_tests/fail208.java b/miniJava/tests/pa2_tests/fail208.java
new file mode 100644
index 0000000..816b10e
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail208.java
@@ -0,0 +1,4 @@
+// PA2 illegal array type
+class A {
+    int p(void [] x){}
+}
diff --git a/miniJava/tests/pa2_tests/fail210.java b/miniJava/tests/pa2_tests/fail210.java
new file mode 100644
index 0000000..62d533c
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail210.java
@@ -0,0 +1,4 @@
+// PA2 parameter decl fail
+class A {
+    void foo(x){}
+}
diff --git a/miniJava/tests/pa2_tests/fail212.java b/miniJava/tests/pa2_tests/fail212.java
new file mode 100644
index 0000000..5fc61fb
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail212.java
@@ -0,0 +1,7 @@
+// PA2 local var decl fail
+class A {
+
+    A p(){
+        private int stuff = 3;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/fail213.java b/miniJava/tests/pa2_tests/fail213.java
new file mode 100644
index 0000000..9478467
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail213.java
@@ -0,0 +1,7 @@
+// PA2 stmt fail
+class A {
+    void p(){
+        if x  
+            int x = 3;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/fail214.java b/miniJava/tests/pa2_tests/fail214.java
new file mode 100644
index 0000000..35409f5
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail214.java
@@ -0,0 +1,6 @@
+// PA2 stmt fail
+class A {
+    void p(){
+        this;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/fail216.java b/miniJava/tests/pa2_tests/fail216.java
new file mode 100644
index 0000000..96d9a3f
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail216.java
@@ -0,0 +1,6 @@
+// PA2 lex fail
+class A {
+    void f(){
+        p = p & !p;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/fail217.java b/miniJava/tests/pa2_tests/fail217.java
new file mode 100644
index 0000000..51b6b0c
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail217.java
@@ -0,0 +1,6 @@
+// PA2 expr fail
+class A {
+    void f(){
+        c = a <=< b;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/fail218.java b/miniJava/tests/pa2_tests/fail218.java
new file mode 100644
index 0000000..264c31b
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail218.java
@@ -0,0 +1,6 @@
+// PA2 predecrement fail
+class A {
+    void f(){
+        c = --b;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/fail219.java b/miniJava/tests/pa2_tests/fail219.java
new file mode 100644
index 0000000..9548b46
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail219.java
@@ -0,0 +1,6 @@
+// PA2 expr fail
+class A {
+    void f(){
+        c = ++b;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/fail220.java b/miniJava/tests/pa2_tests/fail220.java
new file mode 100644
index 0000000..ea6a0b3
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail220.java
@@ -0,0 +1,6 @@
+// PA2 stmt fail
+class A {
+    private void p(){
+        return;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/fail222.java b/miniJava/tests/pa2_tests/fail222.java
new file mode 100644
index 0000000..53bb9f7
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail222.java
@@ -0,0 +1,6 @@
+// PA2 expr fail
+class A {
+    void p(){
+	int b = c / * d /* */;    
+    }
+}
diff --git a/miniJava/tests/pa2_tests/fail224.java b/miniJava/tests/pa2_tests/fail224.java
new file mode 100644
index 0000000..a87222d
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail224.java
@@ -0,0 +1,6 @@
+// PA2 expr fail
+class A {
+    void p(){
+	int b = p ! p;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/fail230.java b/miniJava/tests/pa2_tests/fail230.java
new file mode 100644
index 0000000..7285c56
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail230.java
@@ -0,0 +1,4 @@
+// PA2 incorrect reference
+class A {
+    void p(){  x = a.this; }
+}
diff --git a/miniJava/tests/pa2_tests/fail231.java b/miniJava/tests/pa2_tests/fail231.java
new file mode 100644
index 0000000..59cf0e5
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail231.java
@@ -0,0 +1,4 @@
+// PA2 incorrect reference
+class A {
+    void p(){  x = this[i]; }
+}
diff --git a/miniJava/tests/pa2_tests/fail232.java b/miniJava/tests/pa2_tests/fail232.java
new file mode 100644
index 0000000..e3839d6
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail232.java
@@ -0,0 +1,4 @@
+// PA2 incorrect reference
+class A {
+    void p(){  x = a[i][j]; }
+}
diff --git a/miniJava/tests/pa2_tests/fail233.java b/miniJava/tests/pa2_tests/fail233.java
new file mode 100644
index 0000000..844f664
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail233.java
@@ -0,0 +1,4 @@
+// PA2 incorrect new expr
+class A {
+    void p(){  x = new void [3]; }
+}
diff --git a/miniJava/tests/pa2_tests/fail234.java b/miniJava/tests/pa2_tests/fail234.java
new file mode 100644
index 0000000..723ba2d
--- /dev/null
+++ b/miniJava/tests/pa2_tests/fail234.java
@@ -0,0 +1,4 @@
+// PA2 invalid type in parameter declaration
+class A {
+    void p(void [] x){ }
+}
diff --git a/miniJava/tests/pa2_tests/pass101.java b/miniJava/tests/pa2_tests/pass101.java
new file mode 100644
index 0000000..0a0a702
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass101.java
@@ -0,0 +1,3 @@
+// PA1 lex id pass
+class id {}
+
diff --git a/miniJava/tests/pa2_tests/pass101.java.out b/miniJava/tests/pa2_tests/pass101.java.out
new file mode 100644
index 0000000..9ea7e6a
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass101.java.out
@@ -0,0 +1,8 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass110.java b/miniJava/tests/pa2_tests/pass110.java
new file mode 100644
index 0000000..111e200
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass110.java
@@ -0,0 +1,3 @@
+// PA1 lex comment pass
+class // comment $$ followed by \r\n
+id {}
diff --git a/miniJava/tests/pa2_tests/pass110.java.out b/miniJava/tests/pa2_tests/pass110.java.out
new file mode 100644
index 0000000..9ea7e6a
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass110.java.out
@@ -0,0 +1,8 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass113.java b/miniJava/tests/pa2_tests/pass113.java
new file mode 100644
index 0000000..0e9fe63
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass113.java
@@ -0,0 +1,2 @@
+// PA1 lex comment pass
+class id {} // trailing comment terminated by \r\n
diff --git a/miniJava/tests/pa2_tests/pass113.java.out b/miniJava/tests/pa2_tests/pass113.java.out
new file mode 100644
index 0000000..9ea7e6a
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass113.java.out
@@ -0,0 +1,8 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass120.java b/miniJava/tests/pa2_tests/pass120.java
new file mode 100644
index 0000000..3fb77d1
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass120.java
@@ -0,0 +1,3 @@
+// PA1 lex comment pass
+class /*/$*/ id {}
+
diff --git a/miniJava/tests/pa2_tests/pass120.java.out b/miniJava/tests/pa2_tests/pass120.java.out
new file mode 100644
index 0000000..9ea7e6a
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass120.java.out
@@ -0,0 +1,8 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass130.java b/miniJava/tests/pa2_tests/pass130.java
new file mode 100644
index 0000000..e69de29
diff --git a/miniJava/tests/pa2_tests/pass130.java.out b/miniJava/tests/pa2_tests/pass130.java.out
new file mode 100644
index 0000000..766e038
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass130.java.out
@@ -0,0 +1,4 @@
+======= AST Display =========================
+Package
+  ClassDeclList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass131.java b/miniJava/tests/pa2_tests/pass131.java
new file mode 100644
index 0000000..4acb6dc
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass131.java
@@ -0,0 +1,12 @@
+// PA1 lex whitespace including tab
+class Test {
+ 		 /* multiple comments between
+     */    
+
+    // tokens
+
+    /**//* is OK */
+
+
+}
+
diff --git a/miniJava/tests/pa2_tests/pass131.java.out b/miniJava/tests/pa2_tests/pass131.java.out
new file mode 100644
index 0000000..224c94a
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass131.java.out
@@ -0,0 +1,8 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "Test" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass132.java b/miniJava/tests/pa2_tests/pass132.java
new file mode 100644
index 0000000..89408eb
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass132.java
@@ -0,0 +1,3 @@
+// PA1 lex comment pass
+class // comment followed by \n only 
+id {}
diff --git a/miniJava/tests/pa2_tests/pass132.java.out b/miniJava/tests/pa2_tests/pass132.java.out
new file mode 100644
index 0000000..9ea7e6a
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass132.java.out
@@ -0,0 +1,8 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass133.java b/miniJava/tests/pa2_tests/pass133.java
new file mode 100644
index 0000000..287861f
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass133.java
@@ -0,0 +1,3 @@
+// PA1 lex comment pass
+class // comment followed by \r only
+ id {}
\ No newline at end of file
diff --git a/miniJava/tests/pa2_tests/pass133.java.out b/miniJava/tests/pa2_tests/pass133.java.out
new file mode 100644
index 0000000..9ea7e6a
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass133.java.out
@@ -0,0 +1,8 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass136.java b/miniJava/tests/pa2_tests/pass136.java
new file mode 100644
index 0000000..216cd0c
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass136.java
@@ -0,0 +1,2 @@
+// PA1 lex comment pass
+class id {} // unterminated comment - no trailing \r\n    
\ No newline at end of file
diff --git a/miniJava/tests/pa2_tests/pass136.java.out b/miniJava/tests/pa2_tests/pass136.java.out
new file mode 100644
index 0000000..9ea7e6a
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass136.java.out
@@ -0,0 +1,8 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass137.java b/miniJava/tests/pa2_tests/pass137.java
new file mode 100644
index 0000000..20cc7a7
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass137.java
@@ -0,0 +1,2 @@
+// PA1 lex comment pass
+class id {} /* no trailing \r\n */    
\ No newline at end of file
diff --git a/miniJava/tests/pa2_tests/pass137.java.out b/miniJava/tests/pa2_tests/pass137.java.out
new file mode 100644
index 0000000..9ea7e6a
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass137.java.out
@@ -0,0 +1,8 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass140.java b/miniJava/tests/pa2_tests/pass140.java
new file mode 100644
index 0000000..3ff1b0f
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass140.java
@@ -0,0 +1,5 @@
+// PA1 parse field decl pass
+class id {
+    public static Type x;
+}
+
diff --git a/miniJava/tests/pa2_tests/pass140.java.out b/miniJava/tests/pa2_tests/pass140.java.out
new file mode 100644
index 0000000..fb25514
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass140.java.out
@@ -0,0 +1,12 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [1]
+  .   . (public static) FieldDecl
+  .   .   ClassType
+  .   .     "Type" classname
+  .   .   "x" fieldname
+  .   MethodDeclList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass141.java b/miniJava/tests/pa2_tests/pass141.java
new file mode 100644
index 0000000..88a514b
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass141.java
@@ -0,0 +1,5 @@
+// PA1 parse field decl pass
+class id {
+    private static Type x;
+}
+
diff --git a/miniJava/tests/pa2_tests/pass141.java.out b/miniJava/tests/pa2_tests/pass141.java.out
new file mode 100644
index 0000000..2f92ca4
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass141.java.out
@@ -0,0 +1,12 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [1]
+  .   . (private static) FieldDecl
+  .   .   ClassType
+  .   .     "Type" classname
+  .   .   "x" fieldname
+  .   MethodDeclList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass142.java b/miniJava/tests/pa2_tests/pass142.java
new file mode 100644
index 0000000..396053c
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass142.java
@@ -0,0 +1,5 @@
+// PA1 parse field decl pass
+class id {
+    static Type x;
+}
+
diff --git a/miniJava/tests/pa2_tests/pass142.java.out b/miniJava/tests/pa2_tests/pass142.java.out
new file mode 100644
index 0000000..fb25514
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass142.java.out
@@ -0,0 +1,12 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [1]
+  .   . (public static) FieldDecl
+  .   .   ClassType
+  .   .     "Type" classname
+  .   .   "x" fieldname
+  .   MethodDeclList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass143.java b/miniJava/tests/pa2_tests/pass143.java
new file mode 100644
index 0000000..c9845b8
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass143.java
@@ -0,0 +1,5 @@
+// PA1 parse field decl pass
+class id {
+    Type x;
+}
+
diff --git a/miniJava/tests/pa2_tests/pass143.java.out b/miniJava/tests/pa2_tests/pass143.java.out
new file mode 100644
index 0000000..a9a7e92
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass143.java.out
@@ -0,0 +1,12 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [1]
+  .   . (public) FieldDecl
+  .   .   ClassType
+  .   .     "Type" classname
+  .   .   "x" fieldname
+  .   MethodDeclList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass146.java b/miniJava/tests/pa2_tests/pass146.java
new file mode 100644
index 0000000..50645d1
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass146.java
@@ -0,0 +1,5 @@
+// PA1 parse field decl pass
+class id {
+    static void x;
+}
+
diff --git a/miniJava/tests/pa2_tests/pass146.java.out b/miniJava/tests/pa2_tests/pass146.java.out
new file mode 100644
index 0000000..13d88fa
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass146.java.out
@@ -0,0 +1,11 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [1]
+  .   . (public static) FieldDecl
+  .   .   VOID BaseType
+  .   .   "x" fieldname
+  .   MethodDeclList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass147.java b/miniJava/tests/pa2_tests/pass147.java
new file mode 100644
index 0000000..ce969d7
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass147.java
@@ -0,0 +1,5 @@
+// PA1 parse method decl pass
+class id {
+    public static void main(String[] args){}
+}
+
diff --git a/miniJava/tests/pa2_tests/pass147.java.out b/miniJava/tests/pa2_tests/pass147.java.out
new file mode 100644
index 0000000..39003e2
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass147.java.out
@@ -0,0 +1,18 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public static) MethodDecl
+  .   .   VOID BaseType
+  .   .   "main" methodname
+  .   .   ParameterDeclList [1]
+  .   .   . ParameterDecl
+  .   .   .   ArrayType
+  .   .   .     ClassType
+  .   .   .       "String" classname
+  .   .   .   "args"parametername 
+  .   .   StmtList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass148.java b/miniJava/tests/pa2_tests/pass148.java
new file mode 100644
index 0000000..a8a1967
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass148.java
@@ -0,0 +1,5 @@
+// PA1 parse method decl pass
+class id {
+    private int f(int x, boolean b) {return 3;}
+}
+
diff --git a/miniJava/tests/pa2_tests/pass148.java.out b/miniJava/tests/pa2_tests/pass148.java.out
new file mode 100644
index 0000000..a253c5f
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass148.java.out
@@ -0,0 +1,21 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (private) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [2]
+  .   .   . ParameterDecl
+  .   .   .   INT BaseType
+  .   .   .   "x"parametername 
+  .   .   . ParameterDecl
+  .   .   .   BOOLEAN BaseType
+  .   .   .   "b"parametername 
+  .   .   StmtList [0]
+  .   .   LiteralExpr
+  .   .     "3" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass150.java b/miniJava/tests/pa2_tests/pass150.java
new file mode 100644
index 0000000..6fa11df
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass150.java
@@ -0,0 +1,9 @@
+// PA1 parse classdecls pass
+class MainClass {
+    public static void main (String [] args) {}
+}
+
+class OfItsOwn {
+   int A_01;
+}  // class OfItsOwn
+
diff --git a/miniJava/tests/pa2_tests/pass150.java.out b/miniJava/tests/pa2_tests/pass150.java.out
new file mode 100644
index 0000000..8fe6acc
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass150.java.out
@@ -0,0 +1,25 @@
+======= AST Display =========================
+Package
+  ClassDeclList [2]
+  . ClassDecl
+  .   "MainClass" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public static) MethodDecl
+  .   .   VOID BaseType
+  .   .   "main" methodname
+  .   .   ParameterDeclList [1]
+  .   .   . ParameterDecl
+  .   .   .   ArrayType
+  .   .   .     ClassType
+  .   .   .       "String" classname
+  .   .   .   "args"parametername 
+  .   .   StmtList [0]
+  . ClassDecl
+  .   "OfItsOwn" classname
+  .   FieldDeclList [1]
+  .   . (public) FieldDecl
+  .   .   INT BaseType
+  .   .   "A_01" fieldname
+  .   MethodDeclList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass152.java b/miniJava/tests/pa2_tests/pass152.java
new file mode 100644
index 0000000..858bbbd
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass152.java
@@ -0,0 +1,8 @@
+// PA1 parse new pass
+class MainClass {
+   public static void main (String [] args) {
+      SecondSubClass newobj = new SecondSubClass ();
+   }
+}
+
+
diff --git a/miniJava/tests/pa2_tests/pass152.java.out b/miniJava/tests/pa2_tests/pass152.java.out
new file mode 100644
index 0000000..9e0ab54
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass152.java.out
@@ -0,0 +1,26 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "MainClass" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public static) MethodDecl
+  .   .   VOID BaseType
+  .   .   "main" methodname
+  .   .   ParameterDeclList [1]
+  .   .   . ParameterDecl
+  .   .   .   ArrayType
+  .   .   .     ClassType
+  .   .   .       "String" classname
+  .   .   .   "args"parametername 
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     ClassType
+  .   .   .       "SecondSubClass" classname
+  .   .   .     "newobj" varname
+  .   .   .   NewObjectExpr
+  .   .   .     ClassType
+  .   .   .       "SecondSubClass" classname
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass153.java b/miniJava/tests/pa2_tests/pass153.java
new file mode 100644
index 0000000..91330f4
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass153.java
@@ -0,0 +1,8 @@
+// PA1 parse new pass
+class Foo {
+   void bar() {
+      int[] newarr = new int[20];
+   }
+}
+
+
diff --git a/miniJava/tests/pa2_tests/pass153.java.out b/miniJava/tests/pa2_tests/pass153.java.out
new file mode 100644
index 0000000..769ca87
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass153.java.out
@@ -0,0 +1,22 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "Foo" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "bar" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     ArrayType
+  .   .   .       INT BaseType
+  .   .   .     "newarr" varname
+  .   .   .   NewArrayExpr
+  .   .   .     INT BaseType
+  .   .   .     LiteralExpr
+  .   .   .       "20" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass154.java b/miniJava/tests/pa2_tests/pass154.java
new file mode 100644
index 0000000..3328ef7
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass154.java
@@ -0,0 +1,23 @@
+// PA1 parse methods pass
+class MainClass {
+   public static void main (String [] args) {
+   }
+}
+class SuperClass
+{
+   public void setWorth (int worth){
+      integer = worth;
+   }
+   
+   public int getWorth (){
+      return this.integer;
+   }
+   
+   public void setTruth (boolean truth){
+      bool = truth;
+   }
+   
+   public int getTruth (){
+      return this.bool;
+   }
+}
diff --git a/miniJava/tests/pa2_tests/pass154.java.out b/miniJava/tests/pa2_tests/pass154.java.out
new file mode 100644
index 0000000..c1a5f71
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass154.java.out
@@ -0,0 +1,68 @@
+======= AST Display =========================
+Package
+  ClassDeclList [2]
+  . ClassDecl
+  .   "MainClass" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public static) MethodDecl
+  .   .   VOID BaseType
+  .   .   "main" methodname
+  .   .   ParameterDeclList [1]
+  .   .   . ParameterDecl
+  .   .   .   ArrayType
+  .   .   .     ClassType
+  .   .   .       "String" classname
+  .   .   .   "args"parametername 
+  .   .   StmtList [0]
+  . ClassDecl
+  .   "SuperClass" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [4]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "setWorth" methodname
+  .   .   ParameterDeclList [1]
+  .   .   . ParameterDecl
+  .   .   .   INT BaseType
+  .   .   .   "worth"parametername 
+  .   .   StmtList [1]
+  .   .   . AssignStmt
+  .   .   .   IdRef
+  .   .   .     "integer" Identifier
+  .   .   .   RefExpr
+  .   .   .     IdRef
+  .   .   .       "worth" Identifier
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "getWorth" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [0]
+  .   .   RefExpr
+  .   .     QualifiedRef
+  .   .       "integer" Identifier
+  .   .       ThisRef
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "setTruth" methodname
+  .   .   ParameterDeclList [1]
+  .   .   . ParameterDecl
+  .   .   .   BOOLEAN BaseType
+  .   .   .   "truth"parametername 
+  .   .   StmtList [1]
+  .   .   . AssignStmt
+  .   .   .   IdRef
+  .   .   .     "bool" Identifier
+  .   .   .   RefExpr
+  .   .   .     IdRef
+  .   .   .       "truth" Identifier
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "getTruth" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [0]
+  .   .   RefExpr
+  .   .     QualifiedRef
+  .   .       "bool" Identifier
+  .   .       ThisRef
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass155.java b/miniJava/tests/pa2_tests/pass155.java
new file mode 100644
index 0000000..3453fc6
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass155.java
@@ -0,0 +1,21 @@
+// PA1 parse parse pass
+class MainClass {
+   public static void main (String [] args) {
+      SecondSubClass newobj = new SecondSubClass ();
+   }
+}
+class SuperClass
+{
+   private void fillup (boolean open, int [] jar, int marble, int upto) {
+
+      int index = 0;
+      if (open == true) {
+         while ( index < upto ) {
+            ownjar [index] = jar [index];
+	    jar [index] = marble;
+         }  // while
+      }  // if
+   }  // fillup
+
+}  // class SuperClass
+
diff --git a/miniJava/tests/pa2_tests/pass155.java.out b/miniJava/tests/pa2_tests/pass155.java.out
new file mode 100644
index 0000000..2420f6b
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass155.java.out
@@ -0,0 +1,99 @@
+======= AST Display =========================
+Package
+  ClassDeclList [2]
+  . ClassDecl
+  .   "MainClass" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public static) MethodDecl
+  .   .   VOID BaseType
+  .   .   "main" methodname
+  .   .   ParameterDeclList [1]
+  .   .   . ParameterDecl
+  .   .   .   ArrayType
+  .   .   .     ClassType
+  .   .   .       "String" classname
+  .   .   .   "args"parametername 
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     ClassType
+  .   .   .       "SecondSubClass" classname
+  .   .   .     "newobj" varname
+  .   .   .   NewObjectExpr
+  .   .   .     ClassType
+  .   .   .       "SecondSubClass" classname
+  . ClassDecl
+  .   "SuperClass" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (private) MethodDecl
+  .   .   VOID BaseType
+  .   .   "fillup" methodname
+  .   .   ParameterDeclList [4]
+  .   .   . ParameterDecl
+  .   .   .   BOOLEAN BaseType
+  .   .   .   "open"parametername 
+  .   .   . ParameterDecl
+  .   .   .   ArrayType
+  .   .   .     INT BaseType
+  .   .   .   "jar"parametername 
+  .   .   . ParameterDecl
+  .   .   .   INT BaseType
+  .   .   .   "marble"parametername 
+  .   .   . ParameterDecl
+  .   .   .   INT BaseType
+  .   .   .   "upto"parametername 
+  .   .   StmtList [2]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     INT BaseType
+  .   .   .     "index" varname
+  .   .   .   LiteralExpr
+  .   .   .     "0" IntLiteral
+  .   .   . IfStmt
+  .   .   .   BinaryExpr
+  .   .   .     "==" Operator
+  .   .   .       RefExpr
+  .   .   .         IdRef
+  .   .   .           "open" Identifier
+  .   .   .       LiteralExpr
+  .   .   .         "true" BooleanLiteral
+  .   .   .   BlockStmt
+  .   .   .     StatementList [1]
+  .   .   .     . WhileStmt
+  .   .   .     .   BinaryExpr
+  .   .   .     .     "<" Operator
+  .   .   .     .       RefExpr
+  .   .   .     .         IdRef
+  .   .   .     .           "index" Identifier
+  .   .   .     .       RefExpr
+  .   .   .     .         IdRef
+  .   .   .     .           "upto" Identifier
+  .   .   .     .   BlockStmt
+  .   .   .     .     StatementList [2]
+  .   .   .     .     . AssignStmt
+  .   .   .     .     .   IndexedRef
+  .   .   .     .     .     RefExpr
+  .   .   .     .     .       IdRef
+  .   .   .     .     .         "index" Identifier
+  .   .   .     .     .     IdRef
+  .   .   .     .     .       "ownjar" Identifier
+  .   .   .     .     .   RefExpr
+  .   .   .     .     .     IndexedRef
+  .   .   .     .     .       RefExpr
+  .   .   .     .     .         IdRef
+  .   .   .     .     .           "index" Identifier
+  .   .   .     .     .       IdRef
+  .   .   .     .     .         "jar" Identifier
+  .   .   .     .     . AssignStmt
+  .   .   .     .     .   IndexedRef
+  .   .   .     .     .     RefExpr
+  .   .   .     .     .       IdRef
+  .   .   .     .     .         "index" Identifier
+  .   .   .     .     .     IdRef
+  .   .   .     .     .       "jar" Identifier
+  .   .   .     .     .   RefExpr
+  .   .   .     .     .     IdRef
+  .   .   .     .     .       "marble" Identifier
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass156.java b/miniJava/tests/pa2_tests/pass156.java
new file mode 100644
index 0000000..bc7f703
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass156.java
@@ -0,0 +1,6 @@
+// PA1 parse Stmt this ref pass
+class LegalStmt {
+   void main () {
+       this(3,4);
+   }
+}
diff --git a/miniJava/tests/pa2_tests/pass156.java.out b/miniJava/tests/pa2_tests/pass156.java.out
new file mode 100644
index 0000000..7937472
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass156.java.out
@@ -0,0 +1,20 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "LegalStmt" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "main" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . CallStmt
+  .   .   .   ThisRef
+  .   .   .   ExprList [2]
+  .   .   .   . LiteralExpr
+  .   .   .   .   "3" IntLiteral
+  .   .   .   . LiteralExpr
+  .   .   .   .   "4" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass158.java b/miniJava/tests/pa2_tests/pass158.java
new file mode 100644
index 0000000..be52ebf
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass158.java
@@ -0,0 +1,12 @@
+// PA1 parse refs pass
+class Test {
+
+    void p() {
+        a = true;
+        a [b] = c;
+        p ();
+        a.b[3] = d;
+        c.p(e);
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/pass158.java.out b/miniJava/tests/pa2_tests/pass158.java.out
new file mode 100644
index 0000000..712053f
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass158.java.out
@@ -0,0 +1,52 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "Test" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [5]
+  .   .   . AssignStmt
+  .   .   .   IdRef
+  .   .   .     "a" Identifier
+  .   .   .   LiteralExpr
+  .   .   .     "true" BooleanLiteral
+  .   .   . AssignStmt
+  .   .   .   IndexedRef
+  .   .   .     RefExpr
+  .   .   .       IdRef
+  .   .   .         "b" Identifier
+  .   .   .     IdRef
+  .   .   .       "a" Identifier
+  .   .   .   RefExpr
+  .   .   .     IdRef
+  .   .   .       "c" Identifier
+  .   .   . CallStmt
+  .   .   .   IdRef
+  .   .   .     "p" Identifier
+  .   .   .   ExprList [0]
+  .   .   . AssignStmt
+  .   .   .   IndexedRef
+  .   .   .     LiteralExpr
+  .   .   .       "3" IntLiteral
+  .   .   .     QualifiedRef
+  .   .   .       "b" Identifier
+  .   .   .       IdRef
+  .   .   .         "a" Identifier
+  .   .   .   RefExpr
+  .   .   .     IdRef
+  .   .   .       "d" Identifier
+  .   .   . CallStmt
+  .   .   .   QualifiedRef
+  .   .   .     "p" Identifier
+  .   .   .     IdRef
+  .   .   .       "c" Identifier
+  .   .   .   ExprList [1]
+  .   .   .   . RefExpr
+  .   .   .   .   IdRef
+  .   .   .   .     "e" Identifier
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass159.java b/miniJava/tests/pa2_tests/pass159.java
new file mode 100644
index 0000000..dcaedf5
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass159.java
@@ -0,0 +1,11 @@
+// PA1 parse decl pass
+class Test {
+
+    int [] a;
+    Test [] t;
+
+    void p() {
+        void x = y;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/pass159.java.out b/miniJava/tests/pa2_tests/pass159.java.out
new file mode 100644
index 0000000..10d3779
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass159.java.out
@@ -0,0 +1,29 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "Test" classname
+  .   FieldDeclList [2]
+  .   . (public) FieldDecl
+  .   .   ArrayType
+  .   .     INT BaseType
+  .   .   "a" fieldname
+  .   . (public) FieldDecl
+  .   .   ArrayType
+  .   .     ClassType
+  .   .       "Test" classname
+  .   .   "t" fieldname
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     VOID BaseType
+  .   .   .     "x" varname
+  .   .   .   RefExpr
+  .   .   .     IdRef
+  .   .   .       "y" Identifier
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass160.java b/miniJava/tests/pa2_tests/pass160.java
new file mode 100644
index 0000000..82d7f6b
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass160.java
@@ -0,0 +1,9 @@
+// PA1 parse refs pass
+class Test {
+
+    void p() {
+        A a = 23;
+	boolean b = c;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/pass160.java.out b/miniJava/tests/pa2_tests/pass160.java.out
new file mode 100644
index 0000000..aa846ae
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass160.java.out
@@ -0,0 +1,27 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "Test" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [2]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     ClassType
+  .   .   .       "A" classname
+  .   .   .     "a" varname
+  .   .   .   LiteralExpr
+  .   .   .     "23" IntLiteral
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     BOOLEAN BaseType
+  .   .   .     "b" varname
+  .   .   .   RefExpr
+  .   .   .     IdRef
+  .   .   .       "c" Identifier
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass161.java b/miniJava/tests/pa2_tests/pass161.java
new file mode 100644
index 0000000..654e776
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass161.java
@@ -0,0 +1,8 @@
+// PA1 parse assign pass
+class Test {
+
+    void p() {
+        a = b;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/pass161.java.out b/miniJava/tests/pa2_tests/pass161.java.out
new file mode 100644
index 0000000..3d8a068
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass161.java.out
@@ -0,0 +1,19 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "Test" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . AssignStmt
+  .   .   .   IdRef
+  .   .   .     "a" Identifier
+  .   .   .   RefExpr
+  .   .   .     IdRef
+  .   .   .       "b" Identifier
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass162.java b/miniJava/tests/pa2_tests/pass162.java
new file mode 100644
index 0000000..77d1a46
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass162.java
@@ -0,0 +1,8 @@
+// PA1 parse call pass
+class Test {
+
+    void p(int a, boolean b) {
+        p(a,b);
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/pass162.java.out b/miniJava/tests/pa2_tests/pass162.java.out
new file mode 100644
index 0000000..62a6c78
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass162.java.out
@@ -0,0 +1,29 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "Test" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [2]
+  .   .   . ParameterDecl
+  .   .   .   INT BaseType
+  .   .   .   "a"parametername 
+  .   .   . ParameterDecl
+  .   .   .   BOOLEAN BaseType
+  .   .   .   "b"parametername 
+  .   .   StmtList [1]
+  .   .   . CallStmt
+  .   .   .   IdRef
+  .   .   .     "p" Identifier
+  .   .   .   ExprList [2]
+  .   .   .   . RefExpr
+  .   .   .   .   IdRef
+  .   .   .   .     "a" Identifier
+  .   .   .   . RefExpr
+  .   .   .   .   IdRef
+  .   .   .   .     "b" Identifier
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass163.java b/miniJava/tests/pa2_tests/pass163.java
new file mode 100644
index 0000000..402f02b
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass163.java
@@ -0,0 +1,8 @@
+// PA1 parse decl pass
+class Test {
+
+    void p(int a) {
+        Test [ ]  v = a;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/pass163.java.out b/miniJava/tests/pa2_tests/pass163.java.out
new file mode 100644
index 0000000..851864e
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass163.java.out
@@ -0,0 +1,25 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "Test" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [1]
+  .   .   . ParameterDecl
+  .   .   .   INT BaseType
+  .   .   .   "a"parametername 
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     ArrayType
+  .   .   .       ClassType
+  .   .   .         "Test" classname
+  .   .   .     "v" varname
+  .   .   .   RefExpr
+  .   .   .     IdRef
+  .   .   .       "a" Identifier
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass164.java b/miniJava/tests/pa2_tests/pass164.java
new file mode 100644
index 0000000..3ef2c2b
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass164.java
@@ -0,0 +1,8 @@
+// PA1 parse assign pass
+class Test {
+
+    void p(int a) {
+        Test [ a + 1]  = a * 3;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/pass164.java.out b/miniJava/tests/pa2_tests/pass164.java.out
new file mode 100644
index 0000000..ff5e710
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass164.java.out
@@ -0,0 +1,34 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "Test" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [1]
+  .   .   . ParameterDecl
+  .   .   .   INT BaseType
+  .   .   .   "a"parametername 
+  .   .   StmtList [1]
+  .   .   . AssignStmt
+  .   .   .   IndexedRef
+  .   .   .     BinaryExpr
+  .   .   .       "+" Operator
+  .   .   .         RefExpr
+  .   .   .           IdRef
+  .   .   .             "a" Identifier
+  .   .   .         LiteralExpr
+  .   .   .           "1" IntLiteral
+  .   .   .     IdRef
+  .   .   .       "Test" Identifier
+  .   .   .   BinaryExpr
+  .   .   .     "*" Operator
+  .   .   .       RefExpr
+  .   .   .         IdRef
+  .   .   .           "a" Identifier
+  .   .   .       LiteralExpr
+  .   .   .         "3" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass165.java b/miniJava/tests/pa2_tests/pass165.java
new file mode 100644
index 0000000..e95b29c
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass165.java
@@ -0,0 +1,9 @@
+// PA1 parse call pass
+class Test {
+
+    void p(int a) {
+	C c = new C();
+	c.p(2,3);
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/pass165.java.out b/miniJava/tests/pa2_tests/pass165.java.out
new file mode 100644
index 0000000..d189521
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass165.java.out
@@ -0,0 +1,34 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "Test" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [1]
+  .   .   . ParameterDecl
+  .   .   .   INT BaseType
+  .   .   .   "a"parametername 
+  .   .   StmtList [2]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     ClassType
+  .   .   .       "C" classname
+  .   .   .     "c" varname
+  .   .   .   NewObjectExpr
+  .   .   .     ClassType
+  .   .   .       "C" classname
+  .   .   . CallStmt
+  .   .   .   QualifiedRef
+  .   .   .     "p" Identifier
+  .   .   .     IdRef
+  .   .   .       "c" Identifier
+  .   .   .   ExprList [2]
+  .   .   .   . LiteralExpr
+  .   .   .   .   "2" IntLiteral
+  .   .   .   . LiteralExpr
+  .   .   .   .   "3" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass166.java b/miniJava/tests/pa2_tests/pass166.java
new file mode 100644
index 0000000..ed777be
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass166.java
@@ -0,0 +1,9 @@
+// PA1 parse assign pass
+class Test {
+
+    void p(int a) {
+	this.p(2,3);
+	a.v[3] = 4;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/pass166.java.out b/miniJava/tests/pa2_tests/pass166.java.out
new file mode 100644
index 0000000..84ca777
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass166.java.out
@@ -0,0 +1,35 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "Test" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [1]
+  .   .   . ParameterDecl
+  .   .   .   INT BaseType
+  .   .   .   "a"parametername 
+  .   .   StmtList [2]
+  .   .   . CallStmt
+  .   .   .   QualifiedRef
+  .   .   .     "p" Identifier
+  .   .   .     ThisRef
+  .   .   .   ExprList [2]
+  .   .   .   . LiteralExpr
+  .   .   .   .   "2" IntLiteral
+  .   .   .   . LiteralExpr
+  .   .   .   .   "3" IntLiteral
+  .   .   . AssignStmt
+  .   .   .   IndexedRef
+  .   .   .     LiteralExpr
+  .   .   .       "3" IntLiteral
+  .   .   .     QualifiedRef
+  .   .   .       "v" Identifier
+  .   .   .       IdRef
+  .   .   .         "a" Identifier
+  .   .   .   LiteralExpr
+  .   .   .     "4" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass169.java b/miniJava/tests/pa2_tests/pass169.java
new file mode 100644
index 0000000..37fafdd
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass169.java
@@ -0,0 +1,8 @@
+// PA1 parse new pass
+class Test {
+
+    void p() {
+	Foo [] foo = new Foo [10];
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/pass169.java.out b/miniJava/tests/pa2_tests/pass169.java.out
new file mode 100644
index 0000000..018798a
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass169.java.out
@@ -0,0 +1,24 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "Test" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     ArrayType
+  .   .   .       ClassType
+  .   .   .         "Foo" classname
+  .   .   .     "foo" varname
+  .   .   .   NewArrayExpr
+  .   .   .     ClassType
+  .   .   .       "Foo" classname
+  .   .   .     LiteralExpr
+  .   .   .       "10" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass171.java b/miniJava/tests/pa2_tests/pass171.java
new file mode 100644
index 0000000..c813852
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass171.java
@@ -0,0 +1,8 @@
+// PA1 lex unop pass
+class id {
+    void p(){
+        int x =  - b;
+        boolean y = !y;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/pass171.java.out b/miniJava/tests/pa2_tests/pass171.java.out
new file mode 100644
index 0000000..c97e40b
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass171.java.out
@@ -0,0 +1,31 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [2]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     INT BaseType
+  .   .   .     "x" varname
+  .   .   .   UnaryExpr
+  .   .   .     "-" Operator
+  .   .   .       RefExpr
+  .   .   .         IdRef
+  .   .   .           "b" Identifier
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     BOOLEAN BaseType
+  .   .   .     "y" varname
+  .   .   .   UnaryExpr
+  .   .   .     "!" Operator
+  .   .   .       RefExpr
+  .   .   .         IdRef
+  .   .   .           "y" Identifier
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass175.java b/miniJava/tests/pa2_tests/pass175.java
new file mode 100644
index 0000000..6286286
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass175.java
@@ -0,0 +1,7 @@
+// PA1 lex binop pass
+class id {
+    void p(){
+        int x = 1 + 2 * 3 / 4 > 5 >= 6 < 7 <= 8 != 9 && 0 || 1;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/pass175.java.out b/miniJava/tests/pa2_tests/pass175.java.out
new file mode 100644
index 0000000..8ea89cc
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass175.java.out
@@ -0,0 +1,59 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     INT BaseType
+  .   .   .     "x" varname
+  .   .   .   BinaryExpr
+  .   .   .     "||" Operator
+  .   .   .       BinaryExpr
+  .   .   .         "&&" Operator
+  .   .   .           BinaryExpr
+  .   .   .             "!=" Operator
+  .   .   .               BinaryExpr
+  .   .   .                 "<=" Operator
+  .   .   .                   BinaryExpr
+  .   .   .                     "<" Operator
+  .   .   .                       BinaryExpr
+  .   .   .                         ">=" Operator
+  .   .   .                           BinaryExpr
+  .   .   .                             ">" Operator
+  .   .   .                               BinaryExpr
+  .   .   .                                 "+" Operator
+  .   .   .                                   LiteralExpr
+  .   .   .                                     "1" IntLiteral
+  .   .   .                                   BinaryExpr
+  .   .   .                                     "/" Operator
+  .   .   .                                       BinaryExpr
+  .   .   .                                         "*" Operator
+  .   .   .                                           LiteralExpr
+  .   .   .                                             "2" IntLiteral
+  .   .   .                                           LiteralExpr
+  .   .   .                                             "3" IntLiteral
+  .   .   .                                       LiteralExpr
+  .   .   .                                         "4" IntLiteral
+  .   .   .                               LiteralExpr
+  .   .   .                                 "5" IntLiteral
+  .   .   .                           LiteralExpr
+  .   .   .                             "6" IntLiteral
+  .   .   .                       LiteralExpr
+  .   .   .                         "7" IntLiteral
+  .   .   .                   LiteralExpr
+  .   .   .                     "8" IntLiteral
+  .   .   .               LiteralExpr
+  .   .   .                 "9" IntLiteral
+  .   .   .           LiteralExpr
+  .   .   .             "0" IntLiteral
+  .   .   .       LiteralExpr
+  .   .   .         "1" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass176.java b/miniJava/tests/pa2_tests/pass176.java
new file mode 100644
index 0000000..3708ab8
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass176.java
@@ -0,0 +1,7 @@
+// PA1 lex binop pass
+class id {
+    void p(){
+        boolean x = true && false || x;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/pass176.java.out b/miniJava/tests/pa2_tests/pass176.java.out
new file mode 100644
index 0000000..f607c52
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass176.java.out
@@ -0,0 +1,28 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     BOOLEAN BaseType
+  .   .   .     "x" varname
+  .   .   .   BinaryExpr
+  .   .   .     "||" Operator
+  .   .   .       BinaryExpr
+  .   .   .         "&&" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "true" BooleanLiteral
+  .   .   .           LiteralExpr
+  .   .   .             "false" BooleanLiteral
+  .   .   .       RefExpr
+  .   .   .         IdRef
+  .   .   .           "x" Identifier
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass178.java b/miniJava/tests/pa2_tests/pass178.java
new file mode 100644
index 0000000..f21b331
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass178.java
@@ -0,0 +1,7 @@
+// PA1 lex unop pass
+class id {
+    void p(){
+        int x =  b - - b;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/pass178.java.out b/miniJava/tests/pa2_tests/pass178.java.out
new file mode 100644
index 0000000..9c16882
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass178.java.out
@@ -0,0 +1,27 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     INT BaseType
+  .   .   .     "x" varname
+  .   .   .   BinaryExpr
+  .   .   .     "-" Operator
+  .   .   .       RefExpr
+  .   .   .         IdRef
+  .   .   .           "b" Identifier
+  .   .   .       UnaryExpr
+  .   .   .         "-" Operator
+  .   .   .           RefExpr
+  .   .   .             IdRef
+  .   .   .               "b" Identifier
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass179.java b/miniJava/tests/pa2_tests/pass179.java
new file mode 100644
index 0000000..fabfd63
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass179.java
@@ -0,0 +1,7 @@
+// PA1 lex unop pass
+class id {
+    void p(){
+        int x =  b - - - -b;
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/pass179.java.out b/miniJava/tests/pa2_tests/pass179.java.out
new file mode 100644
index 0000000..8eee654
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass179.java.out
@@ -0,0 +1,31 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "id" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     INT BaseType
+  .   .   .     "x" varname
+  .   .   .   BinaryExpr
+  .   .   .     "-" Operator
+  .   .   .       RefExpr
+  .   .   .         IdRef
+  .   .   .           "b" Identifier
+  .   .   .       UnaryExpr
+  .   .   .         "-" Operator
+  .   .   .           UnaryExpr
+  .   .   .             "-" Operator
+  .   .   .               UnaryExpr
+  .   .   .                 "-" Operator
+  .   .   .                   RefExpr
+  .   .   .                     IdRef
+  .   .   .                       "b" Identifier
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass201.java b/miniJava/tests/pa2_tests/pass201.java
new file mode 100644
index 0000000..f077edc
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass201.java
@@ -0,0 +1,6 @@
+// PA2 pass stmt
+class A {
+    A p(){
+        while (true) {}
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass201.java.out b/miniJava/tests/pa2_tests/pass201.java.out
new file mode 100644
index 0000000..c351127
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass201.java.out
@@ -0,0 +1,19 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   ClassType
+  .   .     "A" classname
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . WhileStmt
+  .   .   .   LiteralExpr
+  .   .   .     "true" BooleanLiteral
+  .   .   .   BlockStmt
+  .   .   .     StatementList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass202.java b/miniJava/tests/pa2_tests/pass202.java
new file mode 100644
index 0000000..61a0b0b
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass202.java
@@ -0,0 +1,4 @@
+// PA2 pass method decl
+class A {
+    static void p(){}
+}
diff --git a/miniJava/tests/pa2_tests/pass202.java.out b/miniJava/tests/pa2_tests/pass202.java.out
new file mode 100644
index 0000000..b8727fb
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass202.java.out
@@ -0,0 +1,13 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public static) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass203.java b/miniJava/tests/pa2_tests/pass203.java
new file mode 100644
index 0000000..8961d58
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass203.java
@@ -0,0 +1,6 @@
+// PA2 pass method decl
+class A {
+    private void p(){
+        return 0;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass203.java.out b/miniJava/tests/pa2_tests/pass203.java.out
new file mode 100644
index 0000000..bf42aff
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass203.java.out
@@ -0,0 +1,15 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (private) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [0]
+  .   .   LiteralExpr
+  .   .     "0" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass204.java b/miniJava/tests/pa2_tests/pass204.java
new file mode 100644
index 0000000..29751df
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass204.java
@@ -0,0 +1,6 @@
+// PA2 pass local decl
+class A {
+    int p(){
+        Foo x = 3;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass204.java.out b/miniJava/tests/pa2_tests/pass204.java.out
new file mode 100644
index 0000000..f36b825
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass204.java.out
@@ -0,0 +1,20 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     ClassType
+  .   .   .       "Foo" classname
+  .   .   .     "x" varname
+  .   .   .   LiteralExpr
+  .   .   .     "3" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass205.java b/miniJava/tests/pa2_tests/pass205.java
new file mode 100644
index 0000000..63382e4
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass205.java
@@ -0,0 +1,4 @@
+// PA2 pass parameter decl
+class A {
+    void p(A [ ] s){}
+}
diff --git a/miniJava/tests/pa2_tests/pass205.java.out b/miniJava/tests/pa2_tests/pass205.java.out
new file mode 100644
index 0000000..4f284b6
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass205.java.out
@@ -0,0 +1,18 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [1]
+  .   .   . ParameterDecl
+  .   .   .   ArrayType
+  .   .   .     ClassType
+  .   .   .       "A" classname
+  .   .   .   "s"parametername 
+  .   .   StmtList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass206.java b/miniJava/tests/pa2_tests/pass206.java
new file mode 100644
index 0000000..ae13340
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass206.java
@@ -0,0 +1,4 @@
+// PA2 pass parameter decl
+class A {
+    void p(int [] m){}
+}
diff --git a/miniJava/tests/pa2_tests/pass206.java.out b/miniJava/tests/pa2_tests/pass206.java.out
new file mode 100644
index 0000000..ecb3a58
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass206.java.out
@@ -0,0 +1,17 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [1]
+  .   .   . ParameterDecl
+  .   .   .   ArrayType
+  .   .   .     INT BaseType
+  .   .   .   "m"parametername 
+  .   .   StmtList [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass207.java b/miniJava/tests/pa2_tests/pass207.java
new file mode 100644
index 0000000..f9ba194
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass207.java
@@ -0,0 +1,6 @@
+// PA2 pass new expr
+class A {
+    void p(){
+        A a = new A();
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass207.java.out b/miniJava/tests/pa2_tests/pass207.java.out
new file mode 100644
index 0000000..50659ef
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass207.java.out
@@ -0,0 +1,21 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     ClassType
+  .   .   .       "A" classname
+  .   .   .     "a" varname
+  .   .   .   NewObjectExpr
+  .   .   .     ClassType
+  .   .   .       "A" classname
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass208.java b/miniJava/tests/pa2_tests/pass208.java
new file mode 100644
index 0000000..8e36f93
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass208.java
@@ -0,0 +1,6 @@
+// PA2 pass qualified ref invocation
+class A {
+    void p(){
+        x.y(3);
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass208.java.out b/miniJava/tests/pa2_tests/pass208.java.out
new file mode 100644
index 0000000..41aeafe
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass208.java.out
@@ -0,0 +1,21 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . CallStmt
+  .   .   .   QualifiedRef
+  .   .   .     "y" Identifier
+  .   .   .     IdRef
+  .   .   .       "x" Identifier
+  .   .   .   ExprList [1]
+  .   .   .   . LiteralExpr
+  .   .   .   .   "3" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass209.java b/miniJava/tests/pa2_tests/pass209.java
new file mode 100644
index 0000000..152150e
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass209.java
@@ -0,0 +1,6 @@
+//PA2 pass qualified reference assignment
+class A {
+    void p(){
+        x.y[3] = 3;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass209.java.out b/miniJava/tests/pa2_tests/pass209.java.out
new file mode 100644
index 0000000..d29f541
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass209.java.out
@@ -0,0 +1,23 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . AssignStmt
+  .   .   .   IndexedRef
+  .   .   .     LiteralExpr
+  .   .   .       "3" IntLiteral
+  .   .   .     QualifiedRef
+  .   .   .       "y" Identifier
+  .   .   .       IdRef
+  .   .   .         "x" Identifier
+  .   .   .   LiteralExpr
+  .   .   .     "3" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass210.java b/miniJava/tests/pa2_tests/pass210.java
new file mode 100644
index 0000000..b17aeda
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass210.java
@@ -0,0 +1,6 @@
+// PA2 pass this RefExpr
+class A {
+    A p(){
+        return this;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass210.java.out b/miniJava/tests/pa2_tests/pass210.java.out
new file mode 100644
index 0000000..255b32c
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass210.java.out
@@ -0,0 +1,16 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   ClassType
+  .   .     "A" classname
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [0]
+  .   .   RefExpr
+  .   .     ThisRef
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass211.java b/miniJava/tests/pa2_tests/pass211.java
new file mode 100644
index 0000000..bc7f703
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass211.java
@@ -0,0 +1,6 @@
+// PA1 parse Stmt this ref pass
+class LegalStmt {
+   void main () {
+       this(3,4);
+   }
+}
diff --git a/miniJava/tests/pa2_tests/pass211.java.out b/miniJava/tests/pa2_tests/pass211.java.out
new file mode 100644
index 0000000..7937472
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass211.java.out
@@ -0,0 +1,20 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "LegalStmt" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "main" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . CallStmt
+  .   .   .   ThisRef
+  .   .   .   ExprList [2]
+  .   .   .   . LiteralExpr
+  .   .   .   .   "3" IntLiteral
+  .   .   .   . LiteralExpr
+  .   .   .   .   "4" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass212.java b/miniJava/tests/pa2_tests/pass212.java
new file mode 100644
index 0000000..9d38574
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass212.java
@@ -0,0 +1,6 @@
+// PA2 pass indexedRef
+class A {
+    void p(){
+        A x = x.y[3];
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass212.java.out b/miniJava/tests/pa2_tests/pass212.java.out
new file mode 100644
index 0000000..64f4c41
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass212.java.out
@@ -0,0 +1,26 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     ClassType
+  .   .   .       "A" classname
+  .   .   .     "x" varname
+  .   .   .   RefExpr
+  .   .   .     IndexedRef
+  .   .   .       LiteralExpr
+  .   .   .         "3" IntLiteral
+  .   .   .       QualifiedRef
+  .   .   .         "y" Identifier
+  .   .   .         IdRef
+  .   .   .           "x" Identifier
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass213.java b/miniJava/tests/pa2_tests/pass213.java
new file mode 100644
index 0000000..fde7a10
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass213.java
@@ -0,0 +1,6 @@
+// PA2 pass thisref
+class A {
+    void p(){
+        A x = this;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass213.java.out b/miniJava/tests/pa2_tests/pass213.java.out
new file mode 100644
index 0000000..446e270
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass213.java.out
@@ -0,0 +1,20 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     ClassType
+  .   .   .       "A" classname
+  .   .   .     "x" varname
+  .   .   .   RefExpr
+  .   .   .     ThisRef
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass214.java b/miniJava/tests/pa2_tests/pass214.java
new file mode 100644
index 0000000..3237566
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass214.java
@@ -0,0 +1,6 @@
+// PA2 pass qualified reference
+class A {
+    void p(){
+        A x = this.p();
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass214.java.out b/miniJava/tests/pa2_tests/pass214.java.out
new file mode 100644
index 0000000..5e045fc
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass214.java.out
@@ -0,0 +1,23 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     ClassType
+  .   .   .       "A" classname
+  .   .   .     "x" varname
+  .   .   .   CallExpr
+  .   .   .     QualifiedRef
+  .   .   .       "p" Identifier
+  .   .   .       ThisRef
+  .   .   .     ExprList + [0]
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass215.java b/miniJava/tests/pa2_tests/pass215.java
new file mode 100644
index 0000000..e1df960
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass215.java
@@ -0,0 +1,6 @@
+// PA2 pass indexed ref
+class A {
+    void p(){
+        A x = this.x[3];
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass215.java.out b/miniJava/tests/pa2_tests/pass215.java.out
new file mode 100644
index 0000000..48a893f
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass215.java.out
@@ -0,0 +1,25 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     ClassType
+  .   .   .       "A" classname
+  .   .   .     "x" varname
+  .   .   .   RefExpr
+  .   .   .     IndexedRef
+  .   .   .       LiteralExpr
+  .   .   .         "3" IntLiteral
+  .   .   .       QualifiedRef
+  .   .   .         "x" Identifier
+  .   .   .         ThisRef
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass216.java b/miniJava/tests/pa2_tests/pass216.java
new file mode 100644
index 0000000..02abbe7
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass216.java
@@ -0,0 +1,6 @@
+// PA2 pass unary expr
+class A {
+    void f(){
+        boolean p = p && !!p;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass216.java.out b/miniJava/tests/pa2_tests/pass216.java.out
new file mode 100644
index 0000000..fc73685
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass216.java.out
@@ -0,0 +1,29 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     BOOLEAN BaseType
+  .   .   .     "p" varname
+  .   .   .   BinaryExpr
+  .   .   .     "&&" Operator
+  .   .   .       RefExpr
+  .   .   .         IdRef
+  .   .   .           "p" Identifier
+  .   .   .       UnaryExpr
+  .   .   .         "!" Operator
+  .   .   .           UnaryExpr
+  .   .   .             "!" Operator
+  .   .   .               RefExpr
+  .   .   .                 IdRef
+  .   .   .                   "p" Identifier
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass217.java b/miniJava/tests/pa2_tests/pass217.java
new file mode 100644
index 0000000..942fe46
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass217.java
@@ -0,0 +1,6 @@
+// PA2 pass stmt
+class A {
+    void f(int a, int b){
+        if (a < b) b = a;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass217.java.out b/miniJava/tests/pa2_tests/pass217.java.out
new file mode 100644
index 0000000..f99a8e6
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass217.java.out
@@ -0,0 +1,34 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [2]
+  .   .   . ParameterDecl
+  .   .   .   INT BaseType
+  .   .   .   "a"parametername 
+  .   .   . ParameterDecl
+  .   .   .   INT BaseType
+  .   .   .   "b"parametername 
+  .   .   StmtList [1]
+  .   .   . IfStmt
+  .   .   .   BinaryExpr
+  .   .   .     "<" Operator
+  .   .   .       RefExpr
+  .   .   .         IdRef
+  .   .   .           "a" Identifier
+  .   .   .       RefExpr
+  .   .   .         IdRef
+  .   .   .           "b" Identifier
+  .   .   .   AssignStmt
+  .   .   .     IdRef
+  .   .   .       "b" Identifier
+  .   .   .     RefExpr
+  .   .   .       IdRef
+  .   .   .         "a" Identifier
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass222.java b/miniJava/tests/pa2_tests/pass222.java
new file mode 100644
index 0000000..8188a12
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass222.java
@@ -0,0 +1,9 @@
+// PA2 pass AST references in arguments and method invocations
+class C {
+    public void foo() {
+        // "this" as reference and as qualifier
+        this.foo(3, this);
+        other.foo(4, other);
+    }
+}
+
diff --git a/miniJava/tests/pa2_tests/pass222.java.out b/miniJava/tests/pa2_tests/pass222.java.out
new file mode 100644
index 0000000..c53247b
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass222.java.out
@@ -0,0 +1,33 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "C" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "foo" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [2]
+  .   .   . CallStmt
+  .   .   .   QualifiedRef
+  .   .   .     "foo" Identifier
+  .   .   .     ThisRef
+  .   .   .   ExprList [2]
+  .   .   .   . LiteralExpr
+  .   .   .   .   "3" IntLiteral
+  .   .   .   . RefExpr
+  .   .   .   .   ThisRef
+  .   .   . CallStmt
+  .   .   .   QualifiedRef
+  .   .   .     "foo" Identifier
+  .   .   .     IdRef
+  .   .   .       "other" Identifier
+  .   .   .   ExprList [2]
+  .   .   .   . LiteralExpr
+  .   .   .   .   "4" IntLiteral
+  .   .   .   . RefExpr
+  .   .   .   .   IdRef
+  .   .   .   .     "other" Identifier
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass223.java b/miniJava/tests/pa2_tests/pass223.java
new file mode 100644
index 0000000..2b7470e
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass223.java
@@ -0,0 +1,21 @@
+// PA2 pass AST multiple classes
+class A {}
+
+class B {
+    private int [] v;  
+
+    public void foo(int a, B other) {}
+
+    C c;
+
+    private int x;
+}
+
+class C {
+    private boolean b;
+
+    public int[] tryit() {
+        int x =-/* unary */-x;
+        return (new int [20]);  
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass223.java.out b/miniJava/tests/pa2_tests/pass223.java.out
new file mode 100644
index 0000000..e2dbe84
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass223.java.out
@@ -0,0 +1,63 @@
+======= AST Display =========================
+Package
+  ClassDeclList [3]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [0]
+  . ClassDecl
+  .   "B" classname
+  .   FieldDeclList [3]
+  .   . (private) FieldDecl
+  .   .   ArrayType
+  .   .     INT BaseType
+  .   .   "v" fieldname
+  .   . (public) FieldDecl
+  .   .   ClassType
+  .   .     "C" classname
+  .   .   "c" fieldname
+  .   . (private) FieldDecl
+  .   .   INT BaseType
+  .   .   "x" fieldname
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "foo" methodname
+  .   .   ParameterDeclList [2]
+  .   .   . ParameterDecl
+  .   .   .   INT BaseType
+  .   .   .   "a"parametername 
+  .   .   . ParameterDecl
+  .   .   .   ClassType
+  .   .   .     "B" classname
+  .   .   .   "other"parametername 
+  .   .   StmtList [0]
+  . ClassDecl
+  .   "C" classname
+  .   FieldDeclList [1]
+  .   . (private) FieldDecl
+  .   .   BOOLEAN BaseType
+  .   .   "b" fieldname
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   ArrayType
+  .   .     INT BaseType
+  .   .   "tryit" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     INT BaseType
+  .   .   .     "x" varname
+  .   .   .   UnaryExpr
+  .   .   .     "-" Operator
+  .   .   .       UnaryExpr
+  .   .   .         "-" Operator
+  .   .   .           RefExpr
+  .   .   .             IdRef
+  .   .   .               "x" Identifier
+  .   .   NewArrayExpr
+  .   .     INT BaseType
+  .   .     LiteralExpr
+  .   .       "20" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass224.java b/miniJava/tests/pa2_tests/pass224.java
new file mode 100644
index 0000000..c8df497
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass224.java
@@ -0,0 +1,6 @@
+//PA2 pass qualified reference expression
+class A {
+    void p(){
+        int a = x[3].y[4](z,5) + 2;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass224.java.out b/miniJava/tests/pa2_tests/pass224.java.out
new file mode 100644
index 0000000..4d5ef27
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass224.java.out
@@ -0,0 +1,38 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "p" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     INT BaseType
+  .   .   .     "a" varname
+  .   .   .   BinaryExpr
+  .   .   .     "+" Operator
+  .   .   .       CallExpr
+  .   .   .         IndexedRef
+  .   .   .           LiteralExpr
+  .   .   .             "4" IntLiteral
+  .   .   .           QualifiedRef
+  .   .   .             "y" Identifier
+  .   .   .             IndexedRef
+  .   .   .               LiteralExpr
+  .   .   .                 "3" IntLiteral
+  .   .   .               IdRef
+  .   .   .                 "x" Identifier
+  .   .   .         ExprList + [2]
+  .   .   .         . RefExpr
+  .   .   .         .   IdRef
+  .   .   .         .     "z" Identifier
+  .   .   .         . LiteralExpr
+  .   .   .         .   "5" IntLiteral
+  .   .   .       LiteralExpr
+  .   .   .         "2" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass250.java b/miniJava/tests/pa2_tests/pass250.java
new file mode 100644
index 0000000..9e01991
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass250.java
@@ -0,0 +1,6 @@
+//  PA2 pass expr precedence
+class A { 
+    int f() { 
+        x = 1 + 2 * 3; 
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass250.java.out b/miniJava/tests/pa2_tests/pass250.java.out
new file mode 100644
index 0000000..f85de86
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass250.java.out
@@ -0,0 +1,26 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . AssignStmt
+  .   .   .   IdRef
+  .   .   .     "x" Identifier
+  .   .   .   BinaryExpr
+  .   .   .     "+" Operator
+  .   .   .       LiteralExpr
+  .   .   .         "1" IntLiteral
+  .   .   .       BinaryExpr
+  .   .   .         "*" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "2" IntLiteral
+  .   .   .           LiteralExpr
+  .   .   .             "3" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass251.java b/miniJava/tests/pa2_tests/pass251.java
new file mode 100644
index 0000000..9c8bd7b
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass251.java
@@ -0,0 +1,6 @@
+//  PA2 pass expr precedence
+class A { 
+    int f() { 
+        x = 1 * 2 + 3; 
+    } 
+}
diff --git a/miniJava/tests/pa2_tests/pass251.java.out b/miniJava/tests/pa2_tests/pass251.java.out
new file mode 100644
index 0000000..ffb3202
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass251.java.out
@@ -0,0 +1,26 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . AssignStmt
+  .   .   .   IdRef
+  .   .   .     "x" Identifier
+  .   .   .   BinaryExpr
+  .   .   .     "+" Operator
+  .   .   .       BinaryExpr
+  .   .   .         "*" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "1" IntLiteral
+  .   .   .           LiteralExpr
+  .   .   .             "2" IntLiteral
+  .   .   .       LiteralExpr
+  .   .   .         "3" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass252.java b/miniJava/tests/pa2_tests/pass252.java
new file mode 100644
index 0000000..9ed51e8
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass252.java
@@ -0,0 +1,6 @@
+//  PA2 pass expr precedence
+class A { 
+    int f() { 
+        x = 1 * 2 / 3; 
+    } 
+}
diff --git a/miniJava/tests/pa2_tests/pass252.java.out b/miniJava/tests/pa2_tests/pass252.java.out
new file mode 100644
index 0000000..9ddbf0a
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass252.java.out
@@ -0,0 +1,26 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . AssignStmt
+  .   .   .   IdRef
+  .   .   .     "x" Identifier
+  .   .   .   BinaryExpr
+  .   .   .     "/" Operator
+  .   .   .       BinaryExpr
+  .   .   .         "*" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "1" IntLiteral
+  .   .   .           LiteralExpr
+  .   .   .             "2" IntLiteral
+  .   .   .       LiteralExpr
+  .   .   .         "3" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass253.java b/miniJava/tests/pa2_tests/pass253.java
new file mode 100644
index 0000000..6a2358d
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass253.java
@@ -0,0 +1,6 @@
+//  PA2 pass expr precedence
+class A { 
+    int f() { 
+        x = 1 / 2 * 3; 
+    } 
+}
diff --git a/miniJava/tests/pa2_tests/pass253.java.out b/miniJava/tests/pa2_tests/pass253.java.out
new file mode 100644
index 0000000..de838d6
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass253.java.out
@@ -0,0 +1,26 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . AssignStmt
+  .   .   .   IdRef
+  .   .   .     "x" Identifier
+  .   .   .   BinaryExpr
+  .   .   .     "*" Operator
+  .   .   .       BinaryExpr
+  .   .   .         "/" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "1" IntLiteral
+  .   .   .           LiteralExpr
+  .   .   .             "2" IntLiteral
+  .   .   .       LiteralExpr
+  .   .   .         "3" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass254.java b/miniJava/tests/pa2_tests/pass254.java
new file mode 100644
index 0000000..0d58bff
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass254.java
@@ -0,0 +1,6 @@
+//  PA2 pass expr precedence
+class A { 
+    int f() { 
+        x = 1 + 2 < 3; 
+    } 
+}
diff --git a/miniJava/tests/pa2_tests/pass254.java.out b/miniJava/tests/pa2_tests/pass254.java.out
new file mode 100644
index 0000000..6ca6ee6
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass254.java.out
@@ -0,0 +1,26 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . AssignStmt
+  .   .   .   IdRef
+  .   .   .     "x" Identifier
+  .   .   .   BinaryExpr
+  .   .   .     "<" Operator
+  .   .   .       BinaryExpr
+  .   .   .         "+" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "1" IntLiteral
+  .   .   .           LiteralExpr
+  .   .   .             "2" IntLiteral
+  .   .   .       LiteralExpr
+  .   .   .         "3" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass255.java b/miniJava/tests/pa2_tests/pass255.java
new file mode 100644
index 0000000..866788b
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass255.java
@@ -0,0 +1,6 @@
+//  PA2 pass expr precedence
+class A { 
+    int f() { 
+        boolean x = 1 < 2 + 3; 
+    } 
+}
diff --git a/miniJava/tests/pa2_tests/pass255.java.out b/miniJava/tests/pa2_tests/pass255.java.out
new file mode 100644
index 0000000..af77f34
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass255.java.out
@@ -0,0 +1,27 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     BOOLEAN BaseType
+  .   .   .     "x" varname
+  .   .   .   BinaryExpr
+  .   .   .     "<" Operator
+  .   .   .       LiteralExpr
+  .   .   .         "1" IntLiteral
+  .   .   .       BinaryExpr
+  .   .   .         "+" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "2" IntLiteral
+  .   .   .           LiteralExpr
+  .   .   .             "3" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass256.java b/miniJava/tests/pa2_tests/pass256.java
new file mode 100644
index 0000000..a7e5f7f
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass256.java
@@ -0,0 +1,6 @@
+//  PA2 pass expr precedence
+class A { 
+    int f() { 
+        boolean x = !true < false; 
+    } 
+}
diff --git a/miniJava/tests/pa2_tests/pass256.java.out b/miniJava/tests/pa2_tests/pass256.java.out
new file mode 100644
index 0000000..5d97220
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass256.java.out
@@ -0,0 +1,25 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     BOOLEAN BaseType
+  .   .   .     "x" varname
+  .   .   .   BinaryExpr
+  .   .   .     "<" Operator
+  .   .   .       UnaryExpr
+  .   .   .         "!" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "true" BooleanLiteral
+  .   .   .       LiteralExpr
+  .   .   .         "false" BooleanLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass257.java b/miniJava/tests/pa2_tests/pass257.java
new file mode 100644
index 0000000..3a4ac9b
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass257.java
@@ -0,0 +1,6 @@
+//  PA2 pass expr precedence
+class A { 
+    int f() { 
+        boolean x = true && false || true; 
+    } 
+}
diff --git a/miniJava/tests/pa2_tests/pass257.java.out b/miniJava/tests/pa2_tests/pass257.java.out
new file mode 100644
index 0000000..d0bc5a7
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass257.java.out
@@ -0,0 +1,27 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     BOOLEAN BaseType
+  .   .   .     "x" varname
+  .   .   .   BinaryExpr
+  .   .   .     "||" Operator
+  .   .   .       BinaryExpr
+  .   .   .         "&&" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "true" BooleanLiteral
+  .   .   .           LiteralExpr
+  .   .   .             "false" BooleanLiteral
+  .   .   .       LiteralExpr
+  .   .   .         "true" BooleanLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass258.java b/miniJava/tests/pa2_tests/pass258.java
new file mode 100644
index 0000000..746fa64
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass258.java
@@ -0,0 +1,6 @@
+//  PA2 pass expr precedence
+class A { 
+    int f() { 
+        x = (1 + 2) * 3; 
+    } 
+}
diff --git a/miniJava/tests/pa2_tests/pass258.java.out b/miniJava/tests/pa2_tests/pass258.java.out
new file mode 100644
index 0000000..d0eafdd
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass258.java.out
@@ -0,0 +1,26 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . AssignStmt
+  .   .   .   IdRef
+  .   .   .     "x" Identifier
+  .   .   .   BinaryExpr
+  .   .   .     "*" Operator
+  .   .   .       BinaryExpr
+  .   .   .         "+" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "1" IntLiteral
+  .   .   .           LiteralExpr
+  .   .   .             "2" IntLiteral
+  .   .   .       LiteralExpr
+  .   .   .         "3" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass259.java b/miniJava/tests/pa2_tests/pass259.java
new file mode 100644
index 0000000..56a2583
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass259.java
@@ -0,0 +1,6 @@
+//  PA2 pass expr precedence
+class A { 
+    int f() { 
+        x = 1 - 2 * -3; 
+    }
+ }
diff --git a/miniJava/tests/pa2_tests/pass259.java.out b/miniJava/tests/pa2_tests/pass259.java.out
new file mode 100644
index 0000000..7c3a39d
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass259.java.out
@@ -0,0 +1,28 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . AssignStmt
+  .   .   .   IdRef
+  .   .   .     "x" Identifier
+  .   .   .   BinaryExpr
+  .   .   .     "-" Operator
+  .   .   .       LiteralExpr
+  .   .   .         "1" IntLiteral
+  .   .   .       BinaryExpr
+  .   .   .         "*" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "2" IntLiteral
+  .   .   .           UnaryExpr
+  .   .   .             "-" Operator
+  .   .   .               LiteralExpr
+  .   .   .                 "3" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass260.java b/miniJava/tests/pa2_tests/pass260.java
new file mode 100644
index 0000000..f5e39e7
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass260.java
@@ -0,0 +1,6 @@
+//  PA2 pass expr precedence
+class A { 
+    int f() { 
+        x = - -1 * 2 -3; 
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass260.java.out b/miniJava/tests/pa2_tests/pass260.java.out
new file mode 100644
index 0000000..78abffc
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass260.java.out
@@ -0,0 +1,30 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . AssignStmt
+  .   .   .   IdRef
+  .   .   .     "x" Identifier
+  .   .   .   BinaryExpr
+  .   .   .     "-" Operator
+  .   .   .       BinaryExpr
+  .   .   .         "*" Operator
+  .   .   .           UnaryExpr
+  .   .   .             "-" Operator
+  .   .   .               UnaryExpr
+  .   .   .                 "-" Operator
+  .   .   .                   LiteralExpr
+  .   .   .                     "1" IntLiteral
+  .   .   .           LiteralExpr
+  .   .   .             "2" IntLiteral
+  .   .   .       LiteralExpr
+  .   .   .         "3" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass261.java b/miniJava/tests/pa2_tests/pass261.java
new file mode 100644
index 0000000..60bff9c
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass261.java
@@ -0,0 +1,6 @@
+//  PA2 pass expr precedence
+class A { 
+    int f() { 
+        boolean x = 2 < 1 && 3 >= 4; 
+    } 
+}
diff --git a/miniJava/tests/pa2_tests/pass261.java.out b/miniJava/tests/pa2_tests/pass261.java.out
new file mode 100644
index 0000000..e07c152
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass261.java.out
@@ -0,0 +1,31 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     BOOLEAN BaseType
+  .   .   .     "x" varname
+  .   .   .   BinaryExpr
+  .   .   .     "&&" Operator
+  .   .   .       BinaryExpr
+  .   .   .         "<" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "2" IntLiteral
+  .   .   .           LiteralExpr
+  .   .   .             "1" IntLiteral
+  .   .   .       BinaryExpr
+  .   .   .         ">=" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "3" IntLiteral
+  .   .   .           LiteralExpr
+  .   .   .             "4" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass262.java b/miniJava/tests/pa2_tests/pass262.java
new file mode 100644
index 0000000..b365a08
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass262.java
@@ -0,0 +1,6 @@
+//  PA2 pass expr precedence
+class A { 
+    int f ( ) { 
+        boolean x = false && 2 >= 3 || true; 
+    } 
+}
diff --git a/miniJava/tests/pa2_tests/pass262.java.out b/miniJava/tests/pa2_tests/pass262.java.out
new file mode 100644
index 0000000..99df7e6
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass262.java.out
@@ -0,0 +1,31 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     BOOLEAN BaseType
+  .   .   .     "x" varname
+  .   .   .   BinaryExpr
+  .   .   .     "||" Operator
+  .   .   .       BinaryExpr
+  .   .   .         "&&" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "false" BooleanLiteral
+  .   .   .           BinaryExpr
+  .   .   .             ">=" Operator
+  .   .   .               LiteralExpr
+  .   .   .                 "2" IntLiteral
+  .   .   .               LiteralExpr
+  .   .   .                 "3" IntLiteral
+  .   .   .       LiteralExpr
+  .   .   .         "true" BooleanLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass263.java b/miniJava/tests/pa2_tests/pass263.java
new file mode 100644
index 0000000..23aa533
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass263.java
@@ -0,0 +1,6 @@
+//  PA2 pass expr precedence
+class A { 
+    int f ( ) { 
+        int x = 1 + 2 - 3 * 4 / 5 ; 
+    } 
+}
diff --git a/miniJava/tests/pa2_tests/pass263.java.out b/miniJava/tests/pa2_tests/pass263.java.out
new file mode 100644
index 0000000..9449796
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass263.java.out
@@ -0,0 +1,35 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     INT BaseType
+  .   .   .     "x" varname
+  .   .   .   BinaryExpr
+  .   .   .     "-" Operator
+  .   .   .       BinaryExpr
+  .   .   .         "+" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "1" IntLiteral
+  .   .   .           LiteralExpr
+  .   .   .             "2" IntLiteral
+  .   .   .       BinaryExpr
+  .   .   .         "/" Operator
+  .   .   .           BinaryExpr
+  .   .   .             "*" Operator
+  .   .   .               LiteralExpr
+  .   .   .                 "3" IntLiteral
+  .   .   .               LiteralExpr
+  .   .   .                 "4" IntLiteral
+  .   .   .           LiteralExpr
+  .   .   .             "5" IntLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass264.java b/miniJava/tests/pa2_tests/pass264.java
new file mode 100644
index 0000000..3348dbe
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass264.java
@@ -0,0 +1,6 @@
+//  PA2 pass expr precedence
+class A { 
+    int f ( ) { 
+        boolean x = true || false && false || true == false; 
+    } 
+}
diff --git a/miniJava/tests/pa2_tests/pass264.java.out b/miniJava/tests/pa2_tests/pass264.java.out
new file mode 100644
index 0000000..4679c18
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass264.java.out
@@ -0,0 +1,35 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     BOOLEAN BaseType
+  .   .   .     "x" varname
+  .   .   .   BinaryExpr
+  .   .   .     "||" Operator
+  .   .   .       BinaryExpr
+  .   .   .         "||" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "true" BooleanLiteral
+  .   .   .           BinaryExpr
+  .   .   .             "&&" Operator
+  .   .   .               LiteralExpr
+  .   .   .                 "false" BooleanLiteral
+  .   .   .               LiteralExpr
+  .   .   .                 "false" BooleanLiteral
+  .   .   .       BinaryExpr
+  .   .   .         "==" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "true" BooleanLiteral
+  .   .   .           LiteralExpr
+  .   .   .             "false" BooleanLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass265.java b/miniJava/tests/pa2_tests/pass265.java
new file mode 100644
index 0000000..e642a53
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass265.java
@@ -0,0 +1,6 @@
+//  PA2 pass expr precedence
+class A {
+    int f (){
+        int d = 2+-x- -x;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass265.java.out b/miniJava/tests/pa2_tests/pass265.java.out
new file mode 100644
index 0000000..3ca3a9d
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass265.java.out
@@ -0,0 +1,33 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   INT BaseType
+  .   .   "f" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [1]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     INT BaseType
+  .   .   .     "d" varname
+  .   .   .   BinaryExpr
+  .   .   .     "-" Operator
+  .   .   .       BinaryExpr
+  .   .   .         "+" Operator
+  .   .   .           LiteralExpr
+  .   .   .             "2" IntLiteral
+  .   .   .           UnaryExpr
+  .   .   .             "-" Operator
+  .   .   .               RefExpr
+  .   .   .                 IdRef
+  .   .   .                   "x" Identifier
+  .   .   .       UnaryExpr
+  .   .   .         "-" Operator
+  .   .   .           RefExpr
+  .   .   .             IdRef
+  .   .   .               "x" Identifier
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass290.java b/miniJava/tests/pa2_tests/pass290.java
new file mode 100644
index 0000000..69552a0
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass290.java
@@ -0,0 +1,8 @@
+// PA2 pass AST reflects operator precedence
+class A {
+    public static void main(String [] args) {
+        // these two stmts should have the same expr AST
+        boolean b = false || true == 2 < -3 - 4 / 5 && !!false;
+        boolean b = false || ((true == (2 < ((-3) - (4 /5)))) && (!(!false)));
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass290.java.out b/miniJava/tests/pa2_tests/pass290.java.out
new file mode 100644
index 0000000..3291d4a
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass290.java.out
@@ -0,0 +1,90 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "A" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public static) MethodDecl
+  .   .   VOID BaseType
+  .   .   "main" methodname
+  .   .   ParameterDeclList [1]
+  .   .   . ParameterDecl
+  .   .   .   ArrayType
+  .   .   .     ClassType
+  .   .   .       "String" classname
+  .   .   .   "args"parametername 
+  .   .   StmtList [2]
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     BOOLEAN BaseType
+  .   .   .     "b" varname
+  .   .   .   BinaryExpr
+  .   .   .     "||" Operator
+  .   .   .       LiteralExpr
+  .   .   .         "false" BooleanLiteral
+  .   .   .       BinaryExpr
+  .   .   .         "&&" Operator
+  .   .   .           BinaryExpr
+  .   .   .             "==" Operator
+  .   .   .               LiteralExpr
+  .   .   .                 "true" BooleanLiteral
+  .   .   .               BinaryExpr
+  .   .   .                 "<" Operator
+  .   .   .                   LiteralExpr
+  .   .   .                     "2" IntLiteral
+  .   .   .                   BinaryExpr
+  .   .   .                     "-" Operator
+  .   .   .                       UnaryExpr
+  .   .   .                         "-" Operator
+  .   .   .                           LiteralExpr
+  .   .   .                             "3" IntLiteral
+  .   .   .                       BinaryExpr
+  .   .   .                         "/" Operator
+  .   .   .                           LiteralExpr
+  .   .   .                             "4" IntLiteral
+  .   .   .                           LiteralExpr
+  .   .   .                             "5" IntLiteral
+  .   .   .           UnaryExpr
+  .   .   .             "!" Operator
+  .   .   .               UnaryExpr
+  .   .   .                 "!" Operator
+  .   .   .                   LiteralExpr
+  .   .   .                     "false" BooleanLiteral
+  .   .   . VarDeclStmt
+  .   .   .   VarDecl
+  .   .   .     BOOLEAN BaseType
+  .   .   .     "b" varname
+  .   .   .   BinaryExpr
+  .   .   .     "||" Operator
+  .   .   .       LiteralExpr
+  .   .   .         "false" BooleanLiteral
+  .   .   .       BinaryExpr
+  .   .   .         "&&" Operator
+  .   .   .           BinaryExpr
+  .   .   .             "==" Operator
+  .   .   .               LiteralExpr
+  .   .   .                 "true" BooleanLiteral
+  .   .   .               BinaryExpr
+  .   .   .                 "<" Operator
+  .   .   .                   LiteralExpr
+  .   .   .                     "2" IntLiteral
+  .   .   .                   BinaryExpr
+  .   .   .                     "-" Operator
+  .   .   .                       UnaryExpr
+  .   .   .                         "-" Operator
+  .   .   .                           LiteralExpr
+  .   .   .                             "3" IntLiteral
+  .   .   .                       BinaryExpr
+  .   .   .                         "/" Operator
+  .   .   .                           LiteralExpr
+  .   .   .                             "4" IntLiteral
+  .   .   .                           LiteralExpr
+  .   .   .                             "5" IntLiteral
+  .   .   .           UnaryExpr
+  .   .   .             "!" Operator
+  .   .   .               UnaryExpr
+  .   .   .                 "!" Operator
+  .   .   .                   LiteralExpr
+  .   .   .                     "false" BooleanLiteral
+=============================================
diff --git a/miniJava/tests/pa2_tests/pass291.java b/miniJava/tests/pa2_tests/pass291.java
new file mode 100644
index 0000000..711d673
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass291.java
@@ -0,0 +1,34 @@
+// PA2 pass AST reflects associativity of nested if stmts
+class B {
+    public void foo() {
+        // nested if stmts should associate in order suggested
+        // by indentation
+
+        if (b)
+            if (c)
+                x = 1;
+            else
+                x = 2;
+        else
+            if (d)
+                x = 11;
+            else
+                x = 22;
+
+
+        if (true)
+            if (false)
+                x = 3;
+            else
+                x = 4;
+
+       
+        if (!true)
+            x = 33;
+        else
+            if (!false)
+                x = 44;
+            else
+                x = 55;
+    }
+}
diff --git a/miniJava/tests/pa2_tests/pass291.java.out b/miniJava/tests/pa2_tests/pass291.java.out
new file mode 100644
index 0000000..829f868
--- /dev/null
+++ b/miniJava/tests/pa2_tests/pass291.java.out
@@ -0,0 +1,86 @@
+======= AST Display =========================
+Package
+  ClassDeclList [1]
+  . ClassDecl
+  .   "B" classname
+  .   FieldDeclList [0]
+  .   MethodDeclList [1]
+  .   . (public) MethodDecl
+  .   .   VOID BaseType
+  .   .   "foo" methodname
+  .   .   ParameterDeclList [0]
+  .   .   StmtList [3]
+  .   .   . IfStmt
+  .   .   .   RefExpr
+  .   .   .     IdRef
+  .   .   .       "b" Identifier
+  .   .   .   IfStmt
+  .   .   .     RefExpr
+  .   .   .       IdRef
+  .   .   .         "c" Identifier
+  .   .   .     AssignStmt
+  .   .   .       IdRef
+  .   .   .         "x" Identifier
+  .   .   .       LiteralExpr
+  .   .   .         "1" IntLiteral
+  .   .   .     AssignStmt
+  .   .   .       IdRef
+  .   .   .         "x" Identifier
+  .   .   .       LiteralExpr
+  .   .   .         "2" IntLiteral
+  .   .   .   IfStmt
+  .   .   .     RefExpr
+  .   .   .       IdRef
+  .   .   .         "d" Identifier
+  .   .   .     AssignStmt
+  .   .   .       IdRef
+  .   .   .         "x" Identifier
+  .   .   .       LiteralExpr
+  .   .   .         "11" IntLiteral
+  .   .   .     AssignStmt
+  .   .   .       IdRef
+  .   .   .         "x" Identifier
+  .   .   .       LiteralExpr
+  .   .   .         "22" IntLiteral
+  .   .   . IfStmt
+  .   .   .   LiteralExpr
+  .   .   .     "true" BooleanLiteral
+  .   .   .   IfStmt
+  .   .   .     LiteralExpr
+  .   .   .       "false" BooleanLiteral
+  .   .   .     AssignStmt
+  .   .   .       IdRef
+  .   .   .         "x" Identifier
+  .   .   .       LiteralExpr
+  .   .   .         "3" IntLiteral
+  .   .   .     AssignStmt
+  .   .   .       IdRef
+  .   .   .         "x" Identifier
+  .   .   .       LiteralExpr
+  .   .   .         "4" IntLiteral
+  .   .   . IfStmt
+  .   .   .   UnaryExpr
+  .   .   .     "!" Operator
+  .   .   .       LiteralExpr
+  .   .   .         "true" BooleanLiteral
+  .   .   .   AssignStmt
+  .   .   .     IdRef
+  .   .   .       "x" Identifier
+  .   .   .     LiteralExpr
+  .   .   .       "33" IntLiteral
+  .   .   .   IfStmt
+  .   .   .     UnaryExpr
+  .   .   .       "!" Operator
+  .   .   .         LiteralExpr
+  .   .   .           "false" BooleanLiteral
+  .   .   .     AssignStmt
+  .   .   .       IdRef
+  .   .   .         "x" Identifier
+  .   .   .       LiteralExpr
+  .   .   .         "44" IntLiteral
+  .   .   .     AssignStmt
+  .   .   .       IdRef
+  .   .   .         "x" Identifier
+  .   .   .       LiteralExpr
+  .   .   .         "55" IntLiteral
+=============================================