print graph as dot for debugging

visit http://www.webgraphviz.com/ for viz.

src/main/java/edu/kit/formal/interpreter/ProgramFlowVisitor.java

@@ -2,7 +2,6 @@ package edu.kit.formal.interpreter;
 
 import com.google.common.graph.MutableValueGraph;
 import com.google.common.graph.ValueGraphBuilder;
-import edu.kit.formal.interpreter.data.KeyData;
 import edu.kit.formal.interpreter.funchdl.CommandLookup;
 import edu.kit.formal.proofscriptparser.DefaultASTVisitor;
 import edu.kit.formal.proofscriptparser.ast.*;
@@ -11,15 +10,13 @@ import edu.kit.formal.proofscriptparser.ast.*;
  * Visitor to create ProgramFlowGraph
  */
 public class ProgramFlowVisitor extends DefaultASTVisitor<Void> {
-
+    private final CommandLookup functionLookup;
     private PTreeNode lastNode;
 
-    private MutableValueGraph<PTreeNode, EdgeTypes> graph = ValueGraphBuilder.directed().build();
-    private Interpreter<KeyData> inter;
-
-    public ProgramFlowVisitor(Interpreter<KeyData> inter) {
-        this.inter = inter;
+    private MutableValueGraph<PTreeNode, EdgeTypes> graph = ValueGraphBuilder.directed().allowsSelfLoops(true).build();
 
+    public ProgramFlowVisitor(CommandLookup functionLookup) {
+        this.functionLookup = functionLookup;
     }
 
     public MutableValueGraph<PTreeNode, EdgeTypes> getGraph() {
@@ -58,7 +55,6 @@ public class ProgramFlowVisitor extends DefaultASTVisitor<Void> {
     public Void visit(CallStatement call) {
         PTreeNode currentNode = new PTreeNode(call);
         //fixme handle stepinto
-        CommandLookup lookup = inter.getFunctionLookup();
 
         graph.addNode(currentNode);
         graph.putEdgeValue(lastNode, currentNode, EdgeTypes.STEP_OVER);
@@ -87,4 +83,32 @@ public class ProgramFlowVisitor extends DefaultASTVisitor<Void> {
         return super.visit(casesStatement);
     }
 
+
+    public String asdot() {
+        StringBuilder sb = new StringBuilder();
+        sb.append("digraph G {\nnode [shape=rect]\n ");
+
+        graph.nodes().forEach(n -> {
+            sb.append(n.hashCode())
+                    .append(" [label=\"")
+                    .append(n.getScriptstmt().getNodeName())
+                    .append("@")
+                    .append(n.getScriptstmt().getStartPosition().getLineNumber())
+                    .append("\"]\n");
+        });
+
+        graph.edges().forEach(edge -> {
+            sb.append(edge.source().hashCode())
+                    .append(" -> ")
+                    .append(edge.target().hashCode())
+                    .append(" [label=\"")
+                    .append(graph.edgeValue(edge.source(), edge.target()).name())
+                    .append("\"]\n");
+        });
+
+        sb.append("}");
+        return sb.toString();
+    }
+
+
 }

src/main/java/edu/kit/formal/interpreter/ProofTreeController.java

@@ -26,7 +26,7 @@ public class ProofTreeController {
     }
 
     private void buildEmptyGraph(ProofScript mainScript) {
-        ProgramFlowVisitor visitor = new ProgramFlowVisitor(currentInterpreter);
+        ProgramFlowVisitor visitor = new ProgramFlowVisitor(currentInterpreter.getFunctionLookup());
 
         mainScript.accept(visitor);
         System.out.println(visitor.getGraph());

src/main/java/edu/kit/formal/proofscriptparser/ast/ASTNode.java

@@ -88,7 +88,7 @@ public abstract class ASTNode<T extends ParserRuleContext>
      * @return a {@link java.lang.String} object.
      */
     public String getNodeName() {
-        return getClass().getName();
+        return getClass().getSimpleName();
     }
 
     /**

src/test/java/edu/kit/formal/interpreter/ProgramFlowVisitorTest.java

+package edu.kit.formal.interpreter;
+
+import edu.kit.formal.interpreter.funchdl.DefaultLookup;
+import edu.kit.formal.proofscriptparser.Facade;
+import edu.kit.formal.proofscriptparser.ScriptLanguageParser;
+import edu.kit.formal.proofscriptparser.TransformAst;
+import edu.kit.formal.proofscriptparser.ast.ProofScript;
+import org.antlr.v4.runtime.CharStreams;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.util.List;
+
+/**
+ * Created by weigl on 22.06.2017.
+ */
+public class ProgramFlowVisitorTest {
+    @Test
+    public void test() throws IOException {
+        ScriptLanguageParser a = Facade.getParser(CharStreams.fromStream(getClass().getResourceAsStream("/edu/kit/formal/interpreter/simple1.txt")));
+        List<ProofScript> scripts = (List<ProofScript>) a.start().accept(new TransformAst());
+        ProofScript s = scripts.get(0);
+        ProgramFlowVisitor pfv = new ProgramFlowVisitor(new DefaultLookup());
+        s.accept(pfv);
+        System.out.println(pfv.asdot());
+    }
+
+}
\ No newline at end of file