3 files changed, 51 insertions, 4 deletions
diff --git a/src/piglet/piglet2spiglet/GenSpigletCtl.java b/src/piglet/piglet2spiglet/GenSpigletCtl.java
new file mode 100644
index 0000000..a95dcc4
--- /dev/null
+++ b/src/piglet/piglet2spiglet/GenSpigletCtl.java
@@ -0,0 +1,25 @@
+package piglet.piglet2spiglet;
+
+import java.util.Vector;
+
+public class GenSpigletCtl {
+	/* DEFAULT: return a PigletExpr
+	 * PRINT: used with procedure, print the StmtExp
+	 * LIST: used with call, add things to list, return null
+	 */
+	public enum Control { DEFAULT, PRINT, LIST };
+	Control c;
+	public Vector<PigletExpr> call_list;
+	
+	public GenSpigletCtl(Control _c) {
+		c = _c;
+		call_list = new Vector<PigletExpr>();
+	}
+	public boolean isPrint() {
+		return c==Control.PRINT;
+	}
+	
+	public boolean isList() {
+		return c==Control.LIST;
+	}
+}
diff --git a/src/piglet/piglet2spiglet/Main.java b/src/piglet/piglet2spiglet/Main.java
index db68b6a..7c3d01b 100644
--- a/src/piglet/piglet2spiglet/Main.java
+++ b/src/piglet/piglet2spiglet/Main.java
@@ -6,6 +6,8 @@ import piglet.PigletParser;
 import piglet.TokenMgrError;
 import piglet.syntaxtree.Node;
 import piglet.visitor.GJDepthFirst;
+import piglet.visitor.GenSpigletVisitor;
+import piglet.visitor.ScanTempVisitor;
 
 
 public class Main { 
@@ -17,10 +19,11 @@ public class Main {
     		 * TODO: Implement your own Visitors and other classes.
     		 * 
     		 */
-    		GJDepthFirst v = new GJDepthFirst<Object,Object>() {
-    		};
-    		//Traverse the Abstract Grammar Tree
-    		root.accept(v,null);
+    		ScanTempVisitor vt = new ScanTempVisitor();
+    		root.accept(vt);
+    		GenSpigletVisitor gen = new GenSpigletVisitor();
+    		gen.nTemp = Math.max(vt.maxtmp, 20);
+    		root.accept(gen, null);
     	}
     	catch(TokenMgrError e){
     		//Handle Lexical Errors
diff --git a/src/piglet/piglet2spiglet/PigletExpr.java b/src/piglet/piglet2spiglet/PigletExpr.java
new file mode 100644
index 0000000..a8289e6
--- /dev/null
+++ b/src/piglet/piglet2spiglet/PigletExpr.java
@@ -0,0 +1,19 @@
+package piglet.piglet2spiglet;
+
+public class PigletExpr {
+	public enum Expr_t { Temp, Int, Label, Other };
+	public Expr_t type;
+	public String s;
+	public PigletExpr(Expr_t t, String _s) {
+		type = t;
+		s = _s;
+	}
+	
+	public boolean isSimple() {
+		return type==Expr_t.Temp || type==Expr_t.Int || type==Expr_t.Label;
+	}
+	
+	public String toString() {
+		return s;
+	}
+}