Use ASTVisitor as in new AST.

compiler/java/com/google/dart/compiler/ast/DartVisitor.java

Index: compiler/java/com/google/dart/compiler/ast/DartVisitor.java
diff --git a/compiler/java/com/google/dart/compiler/ast/DartVisitor.java b/compiler/java/com/google/dart/compiler/ast/DartVisitor.java
deleted file mode 100644
index 79b1fdd39d3bf91164daededc4c84c45711e86f3..0000000000000000000000000000000000000000
--- a/compiler/java/com/google/dart/compiler/ast/DartVisitor.java
+++ /dev/null
@@ -1,622 +0,0 @@
-// Copyright (c) 2011, 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;
-
-import java.util.List;
-
-/**
- * Base class that can be extended to visit all child nodes of a given root
- * node.
- */
-public class DartVisitor {
-
-  protected static final DartContext LVALUE_CONTEXT = new DartContext() {
-
-    @Override
-    public boolean canInsert() {
-      return false;
-    }
-
-    @Override
-    public boolean canRemove() {
-      return false;
-    }
-
-    @Override
-    public void insertAfter(DartVisitable node) {
-      throw new UnsupportedOperationException();
-    }
-
-    @Override
-    public void insertBefore(DartVisitable node) {
-      throw new UnsupportedOperationException();
-    }
-
-    @Override
-    public boolean isLvalue() {
-      return true;
-    }
-
-    @Override
-    public void removeMe() {
-      throw new UnsupportedOperationException();
-    }
-
-    @Override
-    public void replaceMe(DartVisitable node) {
-      throw new UnsupportedOperationException();
-    }
-  };
-
-  protected static final DartContext UNMODIFIABLE_CONTEXT = new DartContext() {
-
-    @Override
-    public boolean canInsert() {
-      return false;
-    }
-
-    @Override
-    public boolean canRemove() {
-      return false;
-    }
-
-    @Override
-    public void insertAfter(DartVisitable node) {
-      throw new UnsupportedOperationException();
-    }
-
-    @Override
-    public void insertBefore(DartVisitable node) {
-      throw new UnsupportedOperationException();
-    }
-
-    @Override
-    public boolean isLvalue() {
-      return false;
-    }
-
-    @Override
-    public void removeMe() {
-      throw new UnsupportedOperationException();
-    }
-
-    @Override
-    public void replaceMe(DartVisitable node) {
-      throw new UnsupportedOperationException();
-    }
-  };
-
-  public final <T extends DartVisitable> T accept(T node) {
-    return this.<T>doAccept(node);
-  }
-
-  public final <T extends DartVisitable> void acceptList(List<T> collection) {
-    doAcceptList(collection);
-  }
-
-  public DartExpression acceptLvalue(DartExpression expr) {
-    return doAcceptLvalue(expr);
-  }
-
-  public final <T extends DartVisitable> List<T> acceptWithInsertRemove(
-      DartNode parent, List<T> collection) {
-    return doAcceptWithInsertRemove(parent, collection);
-  }
-
-  public boolean didChange() {
-    throw new UnsupportedOperationException();
-  }
-
-  public void endVisit(DartArrayAccess x, DartContext ctx) {
-  }
-
-  public void endVisit(DartArrayLiteral x, DartContext ctx) {
-  }
-
-  public void endVisit(DartAssertion x, DartContext ctx) {
-  }
-
-  public void endVisit(DartBinaryExpression x, DartContext ctx) {
-  }
-
-  public void endVisit(DartBlock x, DartContext ctx) {
-  }
-
-  public void endVisit(DartBooleanLiteral x, DartContext ctx) {
-  }
-
-  public void endVisit(DartBreakStatement x, DartContext ctx) {
-  }
-
-  public void endVisit(DartInvocation x, DartContext ctx) {
-  }
-
-  public void endVisit(DartFunctionObjectInvocation x, DartContext ctx) {
-  }
-
-  public void endVisit(DartMethodInvocation x, DartContext ctx) {
-  }
-
-  public void endVisit(DartUnqualifiedInvocation x, DartContext ctx) {
-  }
-
-  public void endVisit(DartSuperConstructorInvocation x, DartContext ctx) {
-  }
-
-  public void endVisit(DartRedirectConstructorInvocation x, DartContext ctx) {
-  }
-
-  public void endVisit(DartCase x, DartContext ctx) {
-  }
-
-  public void endVisit(DartClass x, DartContext ctx) {
-  }
-
-  public void endVisit(DartConditional x, DartContext ctx) {
-  }
-
-  public void endVisit(DartContinueStatement x, DartContext ctx) {
-  }
-
-  public void endVisit(DartDefault x, DartContext ctx) {
-  }
-
-  public void endVisit(DartDoubleLiteral x, DartContext ctx) {
-  }
-
-  public void endVisit(DartDoWhileStatement x, DartContext ctx) {
-  }
-
-  public void endVisit(DartEmptyStatement x, DartContext ctx) {
-  }
-
-  public void endVisit(DartExprStmt x, DartContext ctx) {
-  }
-
-  public void endVisit(DartField x, DartContext ctx) {
-  }
-
-  public void endVisit(DartFieldDefinition x, DartContext ctx) {
-  }
-
-  public void endVisit(DartForInStatement x, DartContext ctx) {
-  }
-
-  public void endVisit(DartForStatement x, DartContext ctx) {
-  }
-
-  public void endVisit(DartFunction x, DartContext ctx) {
-  }
-
-  public void endVisit(DartFunctionExpression x, DartContext ctx) {
-  }
-
-  public void endVisit(DartFunctionTypeAlias node, DartContext ctx) {
-  }
-
-  public void endVisit(DartIdentifier x, DartContext ctx) {
-  }
-
-  public void endVisit(DartIfStatement x, DartContext ctx) {
-  }
-
-  public void endVisit(DartImportDirective x, DartContext ctx) {
-  }
-
-  public void endVisit(DartInitializer dartInitializer, DartContext ctx) {
-  }
-
-  public void endVisit(DartIntegerLiteral x, DartContext ctx) {
-  }
-
-  public void endVisit(DartLabel x, DartContext ctx) {
-  }
-
-  public void endVisit(DartLibraryDirective x, DartContext ctx) {
-  }
-
-  public void endVisit(DartMapLiteral x, DartContext ctx) {
-  }
-
-  public void endVisit(DartMapLiteralEntry x, DartContext ctx) {
-  }
-
-  public void endVisit(DartMethodDefinition x, DartContext ctx) {
-  }
-
-  public void endVisit(DartNativeBlock x, DartContext ctx) {
-  }
-
-  public void endVisit(DartNativeDirective x, DartContext ctx) {
-  }
-
-  public void endVisit(DartNewExpression x, DartContext ctx) {
-  }
-
-  public void endVisit(DartNullLiteral x, DartContext ctx) {
-  }
-
-  public void endVisit(DartParameter x, DartContext ctx) {
-  }
-
-  public void endVisit(DartParameterizedTypeNode x, DartContext ctx) {
-  }
-
-  public void endVisit(DartParenthesizedExpression x, DartContext ctx) {
-  }
-
-  public void endVisit(DartPropertyAccess x, DartContext ctx) {
-  }
-
-  public void endVisit(DartResourceDirective x, DartContext ctx) {
-  }
-
-  public void endVisit(DartReturnStatement x, DartContext ctx) {
-  }
-
-  public void endVisit(DartSourceDirective x, DartContext ctx) {
-  }
-
-  public void endVisit(DartStringLiteral x, DartContext ctx) {
-  }
-
-  public void endVisit(DartStringInterpolation x, DartContext ctx) {
-  }
-
-  public void endVisit(DartSuperExpression x, DartContext ctx) {
-  }
-
-  public void endVisit(DartSwitchStatement x, DartContext ctx) {
-  }
-
-  public void endVisit(DartSyntheticErrorExpression node, DartContext ctx) {
-  }
-
-  public void endVisit(DartSyntheticErrorStatement x, DartContext ctx) {
-  }
-
-  public void endVisit(DartThisExpression x, DartContext ctx) {
-  }
-
-  public void endVisit(DartThrowStatement x, DartContext ctx) {
-  }
-
-  public void endVisit(DartCatchBlock x, DartContext ctx) {
-  }
-
-  public void endVisit(DartTryStatement x, DartContext ctx) {
-  }
-
-  public void endVisit(DartTypeNode x, DartContext ctx) {
-  }
-
-  public void endVisit(DartTypeParameter x, DartContext ctx) {
-  }
-
-  public void endVisit(DartUnaryExpression x, DartContext ctx) {
-  }
-
-  public void endVisit(DartUnit x, DartContext ctx) {
-  }
-
-  public void endVisit(DartVariable x, DartContext ctx) {
-  }
-
-  public void endVisit(DartVariableStatement x, DartContext ctx) {
-  }
-
-  public void endVisit(DartWhileStatement x, DartContext ctx) {
-  }
-
-  public void endVisit(DartNamedExpression x, DartContext ctx) {
-  }
-
-  public void endVisit(DartTypeExpression x, DartContext ctx) {
-  }
-
-  public boolean visit(DartArrayAccess x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartArrayLiteral x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartAssertion x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartBinaryExpression x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartBlock x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartBooleanLiteral x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartBreakStatement x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartInvocation x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartFunctionObjectInvocation x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartMethodInvocation x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartUnqualifiedInvocation x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartSuperConstructorInvocation x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartRedirectConstructorInvocation x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartCase x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartClass x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartConditional x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartContinueStatement x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartDefault x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartDoubleLiteral x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartDoWhileStatement x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartEmptyStatement x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartExprStmt x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartField x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartFieldDefinition x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartForInStatement x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartForStatement x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartFunction x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartFunctionExpression x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartFunctionTypeAlias node, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartIdentifier x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartIfStatement x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartImportDirective x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartInitializer x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartIntegerLiteral x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartLabel x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartLibraryDirective x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartMapLiteral x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartMapLiteralEntry x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartMethodDefinition x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartNativeBlock x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartNativeDirective x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartNewExpression x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartNullLiteral x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartParameter x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartParameterizedTypeNode x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartParenthesizedExpression x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartPropertyAccess x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartResourceDirective x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartReturnStatement x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartSourceDirective x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartStringLiteral x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartStringInterpolation x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartSuperExpression x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartSwitchStatement x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartSyntheticErrorExpression node, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartSyntheticErrorStatement x, DartContext ctx) {
-    return true;    
-  }
-
-  public boolean visit(DartThisExpression x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartThrowStatement x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartCatchBlock x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartTryStatement x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartTypeNode x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartTypeParameter x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartUnaryExpression x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartUnit x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartVariable x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartVariableStatement x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartWhileStatement x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartNamedExpression x, DartContext ctx) {
-    return true;
-  }
-
-  public boolean visit(DartTypeExpression x, DartContext ctx) {
-    return true;
-  }
-
-  protected <T extends DartVisitable> T doAccept(T node) {
-    doTraverse(node, UNMODIFIABLE_CONTEXT);
-    return node;
-  }
-
-  protected void doAcceptList(List<? extends DartVisitable> collection) {
-    for (DartVisitable node : collection) {
-      doTraverse(node, UNMODIFIABLE_CONTEXT);
-    }
-  }
-
-  protected DartExpression doAcceptLvalue(DartExpression expr) {
-    doTraverse(expr, LVALUE_CONTEXT);
-    return expr;
-  }
-
-  protected <T extends DartVisitable> List<T> doAcceptWithInsertRemove(
-      DartNode parent, List<T> collection) {
-    for (T node : collection) {
-      doTraverse(node, UNMODIFIABLE_CONTEXT);
-    }
-    return collection;
-  }
-
-  protected void doTraverse(DartVisitable node, DartContext ctx) {
-    node.traverse(this, ctx);
-  }
-}