diff --git a/src-java/Compiler.java b/src-java/Compiler.java
index 99668e3..fc2ffa5 100644
--- a/src-java/Compiler.java
+++ b/src-java/Compiler.java
@@ -172,7 +172,8 @@ public class Compiler
     public Void visit(cmm.Absyn.SExp p, Void arg)
     {
       emit (new Comment(cmm.PrettyPrinter.print(p)));
-      if (true) throw new RuntimeException ("Not yet implemented: compile statement " + PrettyPrinter.print(p));
+      p.exp_.accept (new ExpVisitor(), null);
+      emit (new Pop(p.exp_.getType()));
       return null;
     }
 
@@ -187,7 +188,9 @@ public class Compiler
     public Void visit(cmm.Absyn.SInit p, Void arg)
     {
       emit (new Comment(cmm.PrettyPrinter.print(p)));
-      if (true) throw new RuntimeException ("Not yet implemented: compile statement " + PrettyPrinter.print(p));
+      int addr = newVar(p.id_, p.type_);
+      p.exp_.accept (new ExpVisitor(), null);
+      emit (new Store(p.type_, addr));
       return null;
     }
 
@@ -196,7 +199,8 @@ public class Compiler
     public Void visit(cmm.Absyn.SReturn p, Void arg)
     {
       emit (new Comment(cmm.PrettyPrinter.print(p)));
-      if (true) throw new RuntimeException ("Not yet implemented: compile statement " + PrettyPrinter.print(p));
+      p.exp_.accept (new ExpVisitor(), null);
+      emit (new Return(p.exp_.getType()));
       return null;
     }
 
@@ -237,7 +241,7 @@ public class Compiler
     // 5
     public Void visit(cmm.Absyn.EInt p, Void arg)
     {
-      if (true) throw new RuntimeException ("Not yet implemented: compile expression " + PrettyPrinter.print(p));
+      emit (new IConst(p.integer_));
       return null;
     }
 
@@ -251,14 +255,17 @@ public class Compiler
     // x
     public Void visit(cmm.Absyn.EId p, Void arg)
     {
-      if (true) throw new RuntimeException ("Not yet implemented: compile expression " + PrettyPrinter.print(p));
+      CxtEntry ce = lookupVar(p.id_);
+      emit (new Load(ce.type, ce.addr));
       return null;
     }
 
     // f (e_1, ..., e_n)
     public Void visit(cmm.Absyn.EApp p, Void arg)
     {
-      if (true) throw new RuntimeException ("Not yet implemented: compile expression " + PrettyPrinter.print(p));
+      for (Exp e: p.listexp_) e.accept (this, null);
+      Fun fun = sig.get(p.id_);
+      emit (new Call (fun));
       return null;
     }