Remove AST dumps, useless for Editor

compiler/java/com/google/dart/compiler/ast/viz/DotWriter.java

Index: compiler/java/com/google/dart/compiler/ast/viz/DotWriter.java
diff --git a/compiler/java/com/google/dart/compiler/ast/viz/DotWriter.java b/compiler/java/com/google/dart/compiler/ast/viz/DotWriter.java
deleted file mode 100644
index 293db384ff5780f50819ee4d56c136a297810c77..0000000000000000000000000000000000000000
--- a/compiler/java/com/google/dart/compiler/ast/viz/DotWriter.java
+++ /dev/null
@@ -1,117 +0,0 @@
-// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-package com.google.dart.compiler.ast.viz;
-
-import java.io.File;
-import java.io.FileWriter;
-import java.io.IOException;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-
-import com.google.common.io.Closeables;
-import com.google.dart.compiler.ast.DartExpression;
-import com.google.dart.compiler.ast.DartNode;
-import com.google.dart.compiler.ast.DartUnit;
-
-/**
- * Write the AST in Dot format. Output file is placed next to the JS file in the output directory
- */
-public class DotWriter extends BaseASTWriter {
-
-  private Map<DartNode, String> nodeMap;
-  private FileWriter out;
-  private StringBuffer edges, nodes;
-  private DartUnit currentUnit;
-  private Set<String> printDataNodes;
-  private static final String[] dataLabels = {
-      "DartIdentifier", "DartVariable", "DartField", "DartParameter", "DartClass",
-      "DartMethodDefinition"};
-
-  public DotWriter(String outputDir) {
-    super(outputDir);
-    printDataNodes = new HashSet<String>(Arrays.asList(dataLabels));
-  }
-
-  @Override
-  protected void startHook(DartUnit unit) {
-    String nodeData = String.format("%s", unit.getSourceName());
-    nodeMap = new HashMap<DartNode, String>();
-    nodeMap.put(unit, nodeData);
-    edges = new StringBuffer();
-    nodes = new StringBuffer();
-    currentUnit = unit;
-    if (!isIgnored(unit)) {
-      String dotFilePath =
-          outputDir + File.separator + unit.getSourceInfo().getSource().getUri() + ".ast.dot";
-      makeParentDirs(dotFilePath);
-      try {
-        out = new FileWriter(new File(dotFilePath));
-      } catch (IOException e) {
-        e.printStackTrace();
-      }
-    }
-
-  }
-
-  @Override
-  protected void endHook(DartUnit unit) {
-    if (!isIgnored(unit)) {
-      String dotGraph = "digraph G{\n" + nodes.toString() + edges.toString() + "}";
-      try {
-        out.append(dotGraph);
-        Closeables.close(out, true);
-      } catch (IOException e) {
-        System.err.println("Error while writing AST to dot file");
-        e.printStackTrace();
-      }
-    }
-  }
-
-  @Override
-  protected void write(String nodeType, DartNode node, String data) {
-  String nodeId = node.getObjectIdentifier();
-  nodeMap.put(node, nodeId);  
-    DartNode parent = node.getParent();
-    if (parent == null) {
-      parent = currentUnit;
-    }
-    String styleAttr = getStyleAttr(nodeType, node);
-    String label = getLabel(nodeType, node, data);
-    nodes.append(String.format("\t\"%s\" [label=\"%s\"%s];\n", nodeId, label, styleAttr));
-    edges.append(String.format("\t\"%s\" -> \"%s\";\n", nodeMap.get(parent), nodeId));
-  }
-
-  private String getLabel(String nodeType, DartNode node, String data) {
-    StringBuffer label = new StringBuffer(nodeType);
-    if (printDataNodes.contains(nodeType) || node instanceof DartExpression) {
-      label.append(String.format("\\n%s", escape(data)));
-    }
-    return label.toString();
-  }
-  
-  private String escape(String data){
-    data = data.replaceAll("\"", "'");
-    data = data.replaceAll("\n", "\\n");
-    data = data.replaceAll("\r", "\\r");
-    return data;
-  }
-
-  private String getStyleAttr(String nodeType, DartNode node) {
-    StringBuffer style = new StringBuffer();
-    if (nodeType.endsWith("Literal") || "DartIdentifier".equals(nodeType)) {
-      style.append(", shape=box"); // OR style=filled, color=yellow
-    } else if ("DartClass".equals(nodeType)) {
-      style.append(", shape=doubleoctagon");
-    } else if ("DartMethodDefinition".equals(nodeType)) {
-      style.append(", color=blue");
-    }
-    
-    return style.toString();
-  }
-
-}