More setting of symbols on identifiers

compiler/javatests/com/google/dart/compiler/resolver/ResolverAuditVisitor.java

Index: compiler/javatests/com/google/dart/compiler/resolver/ResolverAuditVisitor.java
diff --git a/compiler/javatests/com/google/dart/compiler/resolver/ResolverAuditVisitor.java b/compiler/javatests/com/google/dart/compiler/resolver/ResolverAuditVisitor.java
new file mode 100644
index 0000000000000000000000000000000000000000..1311fcccb69bc9876e84d49406673fc7a23d2798
--- /dev/null
+++ b/compiler/javatests/com/google/dart/compiler/resolver/ResolverAuditVisitor.java
@@ -0,0 +1,80 @@
+// 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.resolver;
+
+import com.google.common.base.Joiner;
+import com.google.common.collect.Lists;
+import com.google.dart.compiler.ast.DartClass;
+import com.google.dart.compiler.ast.DartIdentifier;
+import com.google.dart.compiler.ast.DartNode;
+import com.google.dart.compiler.ast.DartNodeTraverser;
+import com.google.dart.compiler.ast.DartParameterizedTypeNode;
+import com.google.dart.compiler.ast.DartTypeNode;
+import com.google.dart.compiler.ast.DartTypeParameter;
+
+import java.util.List;
+
+/**
+ * Look for  DartIdentifier nodes in the tree whose symbols are null.  They should all either
+ * be resolved, or marked as an unresolved element.
+ */
+public class ResolverAuditVisitor extends DartNodeTraverser<Void> {
+  public static void exec(DartNode root) {
+    ResolverAuditVisitor visitor = new ResolverAuditVisitor();
+    root.accept(visitor);
+    List<String> results = visitor.getFailures();
+    if (results.size() > 0) {
+      StringBuilder out = new StringBuilder("Missing symbols found in AST\n");
+      Joiner.on("\n").appendTo(out, results);
+      ResolverTestCase.fail(out.toString());
+    }
+  }
+
+  private List<String> failures = Lists.newArrayList();
+
+  public List<String> getFailures() {
+    return failures;
+  }
+
+  @Override
+  public Void visitClass(DartClass node) {
+    node.getName().accept(this);
+    node.visitChildren(this);
+    return null;
+  }
+
+  @Override
+  public Void visitIdentifier(DartIdentifier node) {
+    if (node.getSymbol() == null) {
+      failures.add("Identifier: " + node.getTargetName() + " has null symbol @ ("
+          + node.getSourceLine() + ":" + node.getSourceColumn() + ")");
+    }
+    return null;
+  }
+
+  @Override
+  public Void visitParameterizedTypeNode(DartParameterizedTypeNode node) {
+    node.getExpression().accept(this);
+    visit(node.getTypeParameters());
+    return null;
+  }
+
+  @Override
+  public Void visitTypeNode(DartTypeNode node) {
+    node.getIdentifier().accept(this);
+    visit(node.getTypeArguments());
+    return null;
+  }
+
+  @Override
+  public Void visitTypeParameter(DartTypeParameter node) {
+    node.getName().accept(this);
+    if (node.getBound() != null) {
+      node.getBound().accept(this);
+    }
+    return null;
+  }
+}