CFG Skeleton Files

1 files changed, 14 insertions, 55 deletions

diff --git a/vaporize/library/ControlFlowGraph.java b/vaporize/library/ControlFlowGraph.java
index 787ef8f..f181d36 100644
--- a/vaporize/library/ControlFlowGraph.java
+++ b/vaporize/library/ControlFlowGraph.java
@@ -1,68 +1,27 @@
 package vaporize.library;
 
 import cs132.vapor.ast.*;
-import st.*;
-import misc.*;
-import java.util.*;
+import java.util.ArrayList;
 
-public class ControlFlowGraph<P, R> extends VInstr.VisitorPR<P, R, RuntimeException> {
+public class ControlFlowGraph {
 
+    private ArrayList<Node> nodes;
+    private Node start;
+    private Node end;
 
-    public R visit(P p, VMemRead n) throws RuntimeException {
-        PrintFilter.print(String.format("%s (%s)",
-                                        n.getClass().getSimpleName(),
-                                        n.sourcePos.toString()), true);
-        return null;
+    public ControlFlowGraph() {
+        this.nodes = new ArrayList<>();
+        this.start = null;
+        this.end = null;
     }
 
-    public R visit(P p, VMemWrite n) throws RuntimeException {
-        PrintFilter.print(String.format("%s (%s)",
-                                        n.getClass().getSimpleName(),
-                                        n.sourcePos.toString()), true);
-        return null;
+    protected void addNode(Node node) {
+        this.nodes.add(node);
     }
 
-    public R visit(P p, VAssign n) throws RuntimeException {
-        PrintFilter.print(String.format("%s (%s)",
-                                        n.getClass().getSimpleName(),
-                                        n.sourcePos.toString()), true);
-        return null;
-    }
-
-    public R visit(P p, VBranch n) throws RuntimeException {
-        PrintFilter.print(String.format("%s (%s)",
-                                        n.getClass().getSimpleName(),
-                                        n.sourcePos.toString()), true);
-        return null;
-    }
-
-    public R visit(P p, VGoto n) throws RuntimeException {
-        PrintFilter.print(String.format("%s (%s)",
-                                        n.getClass().getSimpleName(),
-                                        n.sourcePos.toString()), true);
-        return null;
-    }
-
-    public R visit(P p, VCall n) throws RuntimeException {
-        PrintFilter.print(String.format("%s (%s)",
-                                        n.getClass().getSimpleName(),
-                                        n.sourcePos.toString()), true);
-        return null;
-    }
-
-    public R visit(P p, VBuiltIn n) throws RuntimeException {
-        PrintFilter.print(String.format("%s (%s:%s)",
-                                        n.getClass().getSimpleName(),
-                                        n.op.name,
-                                        n.sourcePos.toString()), true);
-        return null;
-    }
-
-    public R visit(P p, VReturn n) throws RuntimeException {
-        PrintFilter.print(String.format("%s (%s)",
-                                        n.getClass().getSimpleName(),
-                                        n.sourcePos.toString()), true);
-        return null;
+    protected void addEdge(Node source, Node dest) {
+        source.addDest(dest);
+        dest.addSource(source);
     }
 
 }