Removed compiler/ directory from repository

dart/compiler/javatests/com/google/dart/compiler/parser/DartASTValidator.java

Index: dart/compiler/javatests/com/google/dart/compiler/parser/DartASTValidator.java
diff --git a/dart/compiler/javatests/com/google/dart/compiler/parser/DartASTValidator.java b/dart/compiler/javatests/com/google/dart/compiler/parser/DartASTValidator.java
deleted file mode 100755
index 9309162eecc00937ea767df0cf3295f4a10b9ea8..0000000000000000000000000000000000000000
--- a/dart/compiler/javatests/com/google/dart/compiler/parser/DartASTValidator.java
+++ /dev/null
@@ -1,635 +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.parser;
-
-import com.google.dart.compiler.ast.ASTVisitor;
-import com.google.dart.compiler.ast.DartArrayAccess;
-import com.google.dart.compiler.ast.DartArrayLiteral;
-import com.google.dart.compiler.ast.DartBinaryExpression;
-import com.google.dart.compiler.ast.DartBlock;
-import com.google.dart.compiler.ast.DartBooleanLiteral;
-import com.google.dart.compiler.ast.DartBreakStatement;
-import com.google.dart.compiler.ast.DartCase;
-import com.google.dart.compiler.ast.DartCatchBlock;
-import com.google.dart.compiler.ast.DartClass;
-import com.google.dart.compiler.ast.DartConditional;
-import com.google.dart.compiler.ast.DartContinueStatement;
-import com.google.dart.compiler.ast.DartDefault;
-import com.google.dart.compiler.ast.DartDoWhileStatement;
-import com.google.dart.compiler.ast.DartDoubleLiteral;
-import com.google.dart.compiler.ast.DartEmptyStatement;
-import com.google.dart.compiler.ast.DartExprStmt;
-import com.google.dart.compiler.ast.DartField;
-import com.google.dart.compiler.ast.DartFieldDefinition;
-import com.google.dart.compiler.ast.DartForInStatement;
-import com.google.dart.compiler.ast.DartForStatement;
-import com.google.dart.compiler.ast.DartFunction;
-import com.google.dart.compiler.ast.DartFunctionExpression;
-import com.google.dart.compiler.ast.DartFunctionObjectInvocation;
-import com.google.dart.compiler.ast.DartFunctionTypeAlias;
-import com.google.dart.compiler.ast.DartIdentifier;
-import com.google.dart.compiler.ast.DartIfStatement;
-import com.google.dart.compiler.ast.DartImportDirective;
-import com.google.dart.compiler.ast.DartInitializer;
-import com.google.dart.compiler.ast.DartIntegerLiteral;
-import com.google.dart.compiler.ast.DartLabel;
-import com.google.dart.compiler.ast.DartLibraryDirective;
-import com.google.dart.compiler.ast.DartMapLiteral;
-import com.google.dart.compiler.ast.DartMapLiteralEntry;
-import com.google.dart.compiler.ast.DartMethodDefinition;
-import com.google.dart.compiler.ast.DartMethodInvocation;
-import com.google.dart.compiler.ast.DartNamedExpression;
-import com.google.dart.compiler.ast.DartNativeBlock;
-import com.google.dart.compiler.ast.DartNativeDirective;
-import com.google.dart.compiler.ast.DartNewExpression;
-import com.google.dart.compiler.ast.DartNode;
-import com.google.dart.compiler.ast.DartNullLiteral;
-import com.google.dart.compiler.ast.DartParameter;
-import com.google.dart.compiler.ast.DartParameterizedTypeNode;
-import com.google.dart.compiler.ast.DartParenthesizedExpression;
-import com.google.dart.compiler.ast.DartPropertyAccess;
-import com.google.dart.compiler.ast.DartRedirectConstructorInvocation;
-import com.google.dart.compiler.ast.DartReturnStatement;
-import com.google.dart.compiler.ast.DartSourceDirective;
-import com.google.dart.compiler.ast.DartStringInterpolation;
-import com.google.dart.compiler.ast.DartStringLiteral;
-import com.google.dart.compiler.ast.DartSuperConstructorInvocation;
-import com.google.dart.compiler.ast.DartSuperExpression;
-import com.google.dart.compiler.ast.DartSwitchStatement;
-import com.google.dart.compiler.ast.DartSyntheticErrorExpression;
-import com.google.dart.compiler.ast.DartSyntheticErrorStatement;
-import com.google.dart.compiler.ast.DartThisExpression;
-import com.google.dart.compiler.ast.DartThrowExpression;
-import com.google.dart.compiler.ast.DartTryStatement;
-import com.google.dart.compiler.ast.DartTypeExpression;
-import com.google.dart.compiler.ast.DartTypeNode;
-import com.google.dart.compiler.ast.DartTypeParameter;
-import com.google.dart.compiler.ast.DartUnaryExpression;
-import com.google.dart.compiler.ast.DartUnit;
-import com.google.dart.compiler.ast.DartUnqualifiedInvocation;
-import com.google.dart.compiler.ast.DartVariable;
-import com.google.dart.compiler.ast.DartVariableStatement;
-import com.google.dart.compiler.ast.DartWhileStatement;
-
-import junit.framework.Assert;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class DartASTValidator extends ASTVisitor<Void> {
-
-  private ArrayList<String> errors = new ArrayList<String>();
-
-  public void assertValid() {
-    if (!errors.isEmpty()) {
-      StringBuilder builder = new StringBuilder();
-      builder.append("Invalid AST structure:");
-      for (String message : errors) {
-        builder.append("\r\n   ");
-        builder.append(message);
-      }
-      Assert.fail(builder.toString());
-    }
-  }
-
-  @Override
-  public void visit(List<? extends DartNode> nodes) {
-    if (nodes != null) {
-      int previousEnd = -1;
-      for (DartNode node : nodes) {
-        int start = node.getSourceInfo().getOffset();
-        if (start <= previousEnd) {
-          errors.add("Node starts (" + start + ") before previous sibling's end (" + previousEnd
-              + ") or nodes are not in source order");
-        }
-        node.accept(this);
-        previousEnd = start + node.getSourceInfo().getLength() - 1;
-      }
-    }
-  }
-
-  @Override
-  public Void visitArrayAccess(DartArrayAccess node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitArrayLiteral(DartArrayLiteral node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitBinaryExpression(DartBinaryExpression node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitBlock(DartBlock node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitBooleanLiteral(DartBooleanLiteral node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitBreakStatement(DartBreakStatement node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitCase(DartCase node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitCatchBlock(DartCatchBlock node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitClass(DartClass node) {
-    validate(node);
-    node.getName().accept(this);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitConditional(DartConditional node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitContinueStatement(DartContinueStatement node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitDefault(DartDefault node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitDoubleLiteral(DartDoubleLiteral node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitDoWhileStatement(DartDoWhileStatement node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitEmptyStatement(DartEmptyStatement node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitExprStmt(DartExprStmt node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitFieldDefinition(DartFieldDefinition node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitField(DartField node) {
-    validate(node);
-    node.visitChildren(this);
-    node.getName().accept(this);
-    return null;
-  }
-
-  @Override
-  public Void visitForInStatement(DartForInStatement node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitForStatement(DartForStatement node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitFunction(DartFunction node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitFunctionExpression(DartFunctionExpression node) {
-    validate(node);
-    DartIdentifier name = node.getName();
-    if (name != null) {
-      name.accept(this);
-    }
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitFunctionObjectInvocation(DartFunctionObjectInvocation node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitFunctionTypeAlias(DartFunctionTypeAlias node) {
-    validate(node);
-    node.getName().accept(this);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitIdentifier(DartIdentifier node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitIfStatement(DartIfStatement node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitImportDirective(DartImportDirective node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitInitializer(DartInitializer node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitIntegerLiteral(DartIntegerLiteral node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitLabel(DartLabel node) {
-    validate(node);
-    node.getLabel().accept(this);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitLibraryDirective(DartLibraryDirective node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitMapLiteral(DartMapLiteral node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitMapLiteralEntry(DartMapLiteralEntry node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitMethodDefinition(DartMethodDefinition node) {
-    validate(node);
-    node.getName().accept(this);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitMethodInvocation(DartMethodInvocation node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitNativeBlock(DartNativeBlock node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitNativeDirective(DartNativeDirective node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitNewExpression(DartNewExpression node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitNullLiteral(DartNullLiteral node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitParameter(DartParameter node) {
-    validate(node);
-    node.getName().accept(this);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitParenthesizedExpression(DartParenthesizedExpression node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitPropertyAccess(DartPropertyAccess node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitReturnStatement(DartReturnStatement node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitSourceDirective(DartSourceDirective node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitNamedExpression(DartNamedExpression node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitStringInterpolation(DartStringInterpolation node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitStringLiteral(DartStringLiteral node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitSuperConstructorInvocation(
-      DartSuperConstructorInvocation node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitSuperExpression(DartSuperExpression node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitSwitchStatement(DartSwitchStatement node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitSyntheticErrorExpression(DartSyntheticErrorExpression node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitSyntheticErrorStatement(DartSyntheticErrorStatement node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitThisExpression(DartThisExpression node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitThrowExpression(DartThrowExpression node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitTryStatement(DartTryStatement node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitTypeExpression(DartTypeExpression node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitTypeNode(DartTypeNode node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitTypeParameter(DartTypeParameter node) {
-    validate(node);
-    node.getName().accept(this);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitUnaryExpression(DartUnaryExpression node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitUnit(DartUnit node) {
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitUnqualifiedInvocation(DartUnqualifiedInvocation node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitVariable(DartVariable node) {
-    validate(node);
-    node.getName().accept(this);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitVariableStatement(DartVariableStatement node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitWhileStatement(DartWhileStatement node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  @Override
-  public Void visitRedirectConstructorInvocation(DartRedirectConstructorInvocation node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-
-  private void validate(DartNode node) {
-    DartNode parent = node.getParent();
-    if (parent == null) {
-      errors.add("No parent for " + node.getClass().getName());
-    }
-
-    int nodeStart = node.getSourceInfo().getOffset();
-    int nodeLength = node.getSourceInfo().getLength();
-    if (nodeStart < 0 || nodeLength < 0) {
-      errors.add("No source info for " + node.getClass().getName());
-    }
-
-    if (parent != null) {
-      int nodeEnd = nodeStart + nodeLength;
-      int parentStart = parent.getSourceInfo().getOffset();
-      int parentEnd = parentStart + parent.getSourceInfo().getLength();
-      if (parentStart > nodeStart && !isExceptionForNesting(node)) {
-        errors.add("Invalid source start (" + nodeStart + ") for "
-            + node.getClass().getName() + " inside "
-            + parent.getClass().getName() + " (" + parentStart + ")");
-      }
-      if (nodeEnd > parentEnd && !isExceptionForNesting(node)) {
-        errors.add("Invalid source end (" + nodeEnd + ") for "
-            + node.getClass().getName() + " inside "
-            + parent.getClass().getName() + " (" + parentStart + ")");
-      }
-    }
-
-    if (node instanceof DartSyntheticErrorExpression
-        || node instanceof DartSyntheticErrorExpression) {
-      errors.add("Parser error at (" + nodeStart + ")");
-    }
-  }
-
-  /**
-   * Return {@code true} if the given node is an exception to the rule that nodes must nest lexically
-   * within their parents. The one exception currently recognized is a DartTypeNode whose parent is
-   * a DartParameter within a DartCatchBlock. This exception exists because the type has been moved
-   * outside the parameter (following the 'on' keyword) but we didn't update the AST structure to
-   * reflect this change.
-   *
-   * @param node the node being tested
-   * @return {@code true} if the given node is an exception to the rule that nodes must nest lexically
-   * within their parents
-   */
-  private boolean isExceptionForNesting(DartNode node) {
-    return (node instanceof DartTypeNode) && (node.getParent() instanceof DartParameter) && (node.getParent().getParent() instanceof DartCatchBlock);
-  }
-
-  @Override
-  public Void visitParameterizedTypeNode(DartParameterizedTypeNode node) {
-    validate(node);
-    node.visitChildren(this);
-    return null;
-  }
-}