VM support for running Kernel binaries.

runtime/vm/kernel.cc

+// Copyright (c) 2016, 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.
+
+#include "vm/kernel.h"
+
+namespace dart {
+
+namespace kernel {
+
+
+template <typename T>
+void VisitList(List<T>* list, Visitor* visitor) {
+  for (int i = 0; i < list->length(); ++i) {
+    (*list)[i]->AcceptVisitor(visitor);
+  }
+}
+
+
+Node::~Node() {}
+
+
+TreeNode::~TreeNode() {}
+
+
+void TreeNode::AcceptVisitor(Visitor* visitor) { AcceptTreeVisitor(visitor); }
+
+
+Library::~Library() {}
+
+
+void Library::AcceptTreeVisitor(TreeVisitor* visitor) {
+  visitor->VisitLibrary(this);
+}
+
+
+void Library::VisitChildren(Visitor* visitor) {
+  VisitList(&classes(), visitor);
+  VisitList(&procedures(), visitor);
+  VisitList(&fields(), visitor);
+}
+
+
+Class::~Class() {}
+
+
+void Class::AcceptTreeVisitor(TreeVisitor* visitor) {
+  AcceptClassVisitor(visitor);
+}
+
+
+NormalClass::~NormalClass() {}
+
+
+void NormalClass::AcceptClassVisitor(ClassVisitor* visitor) {
+  visitor->VisitNormalClass(this);
+}
+
+
+void NormalClass::AcceptReferenceVisitor(ClassReferenceVisitor* visitor) {
+  visitor->VisitNormalClassReference(this);
+}
+
+
+void NormalClass::VisitChildren(Visitor* visitor) {
+  VisitList(&type_parameters(), visitor);
+  if (super_class() != NULL) visitor->VisitInterfaceType(super_class());
+  VisitList(&implemented_classes(), visitor);
+  VisitList(&constructors(), visitor);
+  VisitList(&procedures(), visitor);
+  VisitList(&fields(), visitor);
+}
+
+
+MixinClass::~MixinClass() {}
+
+
+void MixinClass::AcceptClassVisitor(ClassVisitor* visitor) {
+  visitor->VisitMixinClass(this);
+}
+
+
+void MixinClass::AcceptReferenceVisitor(ClassReferenceVisitor* visitor) {
+  visitor->VisitMixinClassReference(this);
+}
+
+
+void MixinClass::VisitChildren(Visitor* visitor) {
+  VisitList(&type_parameters(), visitor);
+  visitor->VisitInterfaceType(first());
+  visitor->VisitInterfaceType(second());
+  VisitList(&implemented_classes(), visitor);
+  VisitList(&constructors(), visitor);
+}
+
+
+Member::~Member() {}
+
+
+void Member::AcceptTreeVisitor(TreeVisitor* visitor) {
+  AcceptMemberVisitor(visitor);
+}
+
+
+Field::~Field() {}
+
+
+void Field::AcceptMemberVisitor(MemberVisitor* visitor) {
+  visitor->VisitField(this);
+}
+
+
+void Field::AcceptReferenceVisitor(MemberReferenceVisitor* visitor) {
+  visitor->VisitFieldReference(this);
+}
+
+
+void Field::VisitChildren(Visitor* visitor) {
+  type()->AcceptDartTypeVisitor(visitor);
+  visitor->VisitName(name());
+  if (initializer() != NULL) initializer()->AcceptExpressionVisitor(visitor);
+}
+
+
+Constructor::~Constructor() {}
+
+
+void Constructor::AcceptMemberVisitor(MemberVisitor* visitor) {
+  visitor->VisitConstructor(this);
+}
+
+
+void Constructor::AcceptReferenceVisitor(MemberReferenceVisitor* visitor) {
+  visitor->VisitConstructorReference(this);
+}
+
+
+void Constructor::VisitChildren(Visitor* visitor) {
+  visitor->VisitName(name());
+  visitor->VisitFunctionNode(function());
+  VisitList(&initializers(), visitor);
+}
+
+
+Procedure::~Procedure() {}
+
+
+void Procedure::AcceptMemberVisitor(MemberVisitor* visitor) {
+  visitor->VisitProcedure(this);
+}
+
+
+void Procedure::AcceptReferenceVisitor(MemberReferenceVisitor* visitor) {
+  visitor->VisitProcedureReference(this);
+}
+
+
+void Procedure::VisitChildren(Visitor* visitor) {
+  visitor->VisitName(name());
+  if (function() != NULL) visitor->VisitFunctionNode(function());
+}
+
+
+Initializer::~Initializer() {}
+
+
+void Initializer::AcceptTreeVisitor(TreeVisitor* visitor) {
+  AcceptInitializerVisitor(visitor);
+}
+
+
+InvalidInitializer::~InvalidInitializer() {}
+
+
+void InvalidInitializer::AcceptInitializerVisitor(InitializerVisitor* visitor) {
+  visitor->VisitInvalidInitializer(this);
+}
+
+
+void InvalidInitializer::VisitChildren(Visitor* visitor) {}
+
+
+FieldInitializer::~FieldInitializer() {}
+
+
+void FieldInitializer::AcceptInitializerVisitor(InitializerVisitor* visitor) {
+  visitor->VisitFieldInitializer(this);
+}
+
+
+void FieldInitializer::VisitChildren(Visitor* visitor) {
+  visitor->VisitFieldReference(field());
+  value()->AcceptExpressionVisitor(visitor);
+}
+
+
+SuperInitializer::~SuperInitializer() {}
+
+
+void SuperInitializer::AcceptInitializerVisitor(InitializerVisitor* visitor) {
+  visitor->VisitSuperInitializer(this);
+}
+
+
+void SuperInitializer::VisitChildren(Visitor* visitor) {
+  visitor->VisitConstructorReference(target());
+  visitor->VisitArguments(arguments());
+}
+
+
+RedirectingInitializer::~RedirectingInitializer() {}
+
+
+void RedirectingInitializer::AcceptInitializerVisitor(
+    InitializerVisitor* visitor) {
+  visitor->VisitRedirectingInitializer(this);
+}
+
+
+void RedirectingInitializer::VisitChildren(Visitor* visitor) {
+  visitor->VisitConstructorReference(target());
+  visitor->VisitArguments(arguments());
+}
+
+
+LocalInitializer::~LocalInitializer() {}
+
+
+void LocalInitializer::AcceptInitializerVisitor(InitializerVisitor* visitor) {
+  visitor->VisitLocalInitializer(this);
+}
+
+
+void LocalInitializer::VisitChildren(Visitor* visitor) {
+  visitor->VisitVariableDeclaration(variable());
+}
+
+
+FunctionNode::~FunctionNode() {}
+
+
+void FunctionNode::AcceptTreeVisitor(TreeVisitor* visitor) {
+  visitor->VisitFunctionNode(this);
+}
+
+
+void FunctionNode::VisitChildren(Visitor* visitor) {
+  VisitList(&type_parameters(), visitor);
+  VisitList(&positional_parameters(), visitor);
+  VisitList(&named_parameters(), visitor);
+  if (return_type() != NULL) return_type()->AcceptDartTypeVisitor(visitor);
+  if (body() != NULL) body()->AcceptStatementVisitor(visitor);
+}
+
+
+Expression::~Expression() {}
+
+
+void Expression::AcceptTreeVisitor(TreeVisitor* visitor) {
+  AcceptExpressionVisitor(visitor);
+}
+
+
+InvalidExpression::~InvalidExpression() {}
+
+
+void InvalidExpression::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitInvalidExpression(this);
+}
+
+
+void InvalidExpression::VisitChildren(Visitor* visitor) {}
+
+
+VariableGet::~VariableGet() {}
+
+
+void VariableGet::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitVariableGet(this);
+}
+
+
+void VariableGet::VisitChildren(Visitor* visitor) {}
+
+
+VariableSet::~VariableSet() {}
+
+
+void VariableSet::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitVariableSet(this);
+}
+
+
+void VariableSet::VisitChildren(Visitor* visitor) {
+  expression()->AcceptExpressionVisitor(visitor);
+}
+
+
+PropertyGet::~PropertyGet() {}
+
+
+void PropertyGet::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitPropertyGet(this);
+}
+
+
+void PropertyGet::VisitChildren(Visitor* visitor) {
+  receiver()->AcceptExpressionVisitor(visitor);
+  visitor->VisitName(name());
+}
+
+
+PropertySet::~PropertySet() {}
+
+
+void PropertySet::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitPropertySet(this);
+}
+
+
+void PropertySet::VisitChildren(Visitor* visitor) {
+  receiver()->AcceptExpressionVisitor(visitor);
+  visitor->VisitName(name());
+  value()->AcceptExpressionVisitor(visitor);
+}
+
+
+DirectPropertyGet::~DirectPropertyGet() {}
+
+
+void DirectPropertyGet::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitDirectPropertyGet(this);
+}
+
+
+void DirectPropertyGet::VisitChildren(Visitor* visitor) {
+  receiver()->AcceptExpressionVisitor(visitor);
+  target()->AcceptReferenceVisitor(visitor);
+}
+
+
+DirectPropertySet::~DirectPropertySet() {}
+
+
+void DirectPropertySet::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitDirectPropertySet(this);
+}
+
+
+void DirectPropertySet::VisitChildren(Visitor* visitor) {
+  receiver()->AcceptExpressionVisitor(visitor);
+  target()->AcceptReferenceVisitor(visitor);
+  value()->AcceptExpressionVisitor(visitor);
+}
+
+
+StaticGet::~StaticGet() {}
+
+
+void StaticGet::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitStaticGet(this);
+}
+
+
+void StaticGet::VisitChildren(Visitor* visitor) {
+  target()->AcceptReferenceVisitor(visitor);
+}
+
+
+StaticSet::~StaticSet() {}
+
+
+void StaticSet::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitStaticSet(this);
+}
+
+
+void StaticSet::VisitChildren(Visitor* visitor) {
+  target()->AcceptReferenceVisitor(visitor);
+  expression()->AcceptExpressionVisitor(visitor);
+}
+
+
+Arguments::~Arguments() {}
+
+
+void Arguments::AcceptTreeVisitor(TreeVisitor* visitor) {
+  visitor->VisitArguments(this);
+}
+
+
+void Arguments::VisitChildren(Visitor* visitor) {
+  VisitList(&types(), visitor);
+  VisitList(&positional(), visitor);
+  VisitList(&named(), visitor);
+}
+
+
+NamedExpression::~NamedExpression() {}
+
+
+void NamedExpression::AcceptTreeVisitor(TreeVisitor* visitor) {
+  visitor->VisitNamedExpression(this);
+}
+
+
+void NamedExpression::VisitChildren(Visitor* visitor) {
+  expression()->AcceptExpressionVisitor(visitor);
+}
+
+
+MethodInvocation::~MethodInvocation() {}
+
+
+void MethodInvocation::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitMethodInvocation(this);
+}
+
+
+void MethodInvocation::VisitChildren(Visitor* visitor) {
+  receiver()->AcceptExpressionVisitor(visitor);
+  visitor->VisitName(name());
+  visitor->VisitArguments(arguments());
+}
+
+
+DirectMethodInvocation::~DirectMethodInvocation() {}
+
+
+void DirectMethodInvocation::AcceptExpressionVisitor(
+    ExpressionVisitor* visitor) {
+  visitor->VisitDirectMethodInvocation(this);
+}
+
+
+void DirectMethodInvocation::VisitChildren(Visitor* visitor) {
+  receiver()->AcceptExpressionVisitor(visitor);
+  visitor->VisitProcedureReference(target());
+  visitor->VisitArguments(arguments());
+}
+
+
+StaticInvocation::~StaticInvocation() {}
+
+
+void StaticInvocation::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitStaticInvocation(this);
+}
+
+
+void StaticInvocation::VisitChildren(Visitor* visitor) {
+  visitor->VisitProcedureReference(procedure());
+  visitor->VisitArguments(arguments());
+}
+
+
+ConstructorInvocation::~ConstructorInvocation() {}
+
+
+void ConstructorInvocation::AcceptExpressionVisitor(
+    ExpressionVisitor* visitor) {
+  visitor->VisitConstructorInvocation(this);
+}
+
+
+void ConstructorInvocation::VisitChildren(Visitor* visitor) {
+  visitor->VisitConstructorReference(target());
+  visitor->VisitArguments(arguments());
+}
+
+
+Not::~Not() {}
+
+
+void Not::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitNot(this);
+}
+
+
+void Not::VisitChildren(Visitor* visitor) {
+  expression()->AcceptExpressionVisitor(visitor);
+}
+
+
+LogicalExpression::~LogicalExpression() {}
+
+
+void LogicalExpression::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitLogicalExpression(this);
+}
+
+
+void LogicalExpression::VisitChildren(Visitor* visitor) {
+  left()->AcceptExpressionVisitor(visitor);
+  right()->AcceptExpressionVisitor(visitor);
+}
+
+
+ConditionalExpression::~ConditionalExpression() {}
+
+
+void ConditionalExpression::AcceptExpressionVisitor(
+    ExpressionVisitor* visitor) {
+  visitor->VisitConditionalExpression(this);
+}
+
+
+void ConditionalExpression::VisitChildren(Visitor* visitor) {
+  condition()->AcceptExpressionVisitor(visitor);
+  then()->AcceptExpressionVisitor(visitor);
+  otherwise()->AcceptExpressionVisitor(visitor);
+}
+
+
+StringConcatenation::~StringConcatenation() {}
+
+
+void StringConcatenation::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitStringConcatenation(this);
+}
+
+
+void StringConcatenation::VisitChildren(Visitor* visitor) {
+  VisitList(&expressions(), visitor);
+}
+
+
+IsExpression::~IsExpression() {}
+
+
+void IsExpression::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitIsExpression(this);
+}
+
+
+void IsExpression::VisitChildren(Visitor* visitor) {
+  operand()->AcceptExpressionVisitor(visitor);
+  type()->AcceptDartTypeVisitor(visitor);
+}
+
+
+AsExpression::~AsExpression() {}
+
+
+void AsExpression::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitAsExpression(this);
+}
+
+
+void AsExpression::VisitChildren(Visitor* visitor) {
+  operand()->AcceptExpressionVisitor(visitor);
+  type()->AcceptDartTypeVisitor(visitor);
+}
+
+
+BasicLiteral::~BasicLiteral() {}
+
+
+void BasicLiteral::VisitChildren(Visitor* visitor) {}
+
+
+StringLiteral::~StringLiteral() {}
+
+
+void StringLiteral::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitStringLiteral(this);
+}
+
+
+BigintLiteral::~BigintLiteral() {}
+
+
+void BigintLiteral::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitBigintLiteral(this);
+}
+
+
+IntLiteral::~IntLiteral() {}
+
+
+void IntLiteral::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitIntLiteral(this);
+}
+
+
+DoubleLiteral::~DoubleLiteral() {}
+
+
+void DoubleLiteral::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitDoubleLiteral(this);
+}
+
+
+BoolLiteral::~BoolLiteral() {}
+
+
+void BoolLiteral::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitBoolLiteral(this);
+}
+
+
+NullLiteral::~NullLiteral() {}
+
+
+void NullLiteral::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitNullLiteral(this);
+}
+
+
+SymbolLiteral::~SymbolLiteral() {}
+
+
+void SymbolLiteral::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitSymbolLiteral(this);
+}
+
+
+void SymbolLiteral::VisitChildren(Visitor* visitor) {}
+
+
+TypeLiteral::~TypeLiteral() {}
+
+
+void TypeLiteral::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitTypeLiteral(this);
+}
+
+
+void TypeLiteral::VisitChildren(Visitor* visitor) {
+  type()->AcceptDartTypeVisitor(visitor);
+}
+
+
+ThisExpression::~ThisExpression() {}
+
+
+void ThisExpression::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitThisExpression(this);
+}
+
+
+void ThisExpression::VisitChildren(Visitor* visitor) {}
+
+
+Rethrow::~Rethrow() {}
+
+
+void Rethrow::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitRethrow(this);
+}
+
+
+void Rethrow::VisitChildren(Visitor* visitor) {}
+
+
+Throw::~Throw() {}
+
+
+void Throw::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitThrow(this);
+}
+
+
+void Throw::VisitChildren(Visitor* visitor) {
+  expression()->AcceptExpressionVisitor(visitor);
+}
+
+
+ListLiteral::~ListLiteral() {}
+
+
+void ListLiteral::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitListLiteral(this);
+}
+
+
+void ListLiteral::VisitChildren(Visitor* visitor) {
+  type()->AcceptDartTypeVisitor(visitor);
+  VisitList(&expressions(), visitor);
+}
+
+
+MapLiteral::~MapLiteral() {}
+
+
+void MapLiteral::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitMapLiteral(this);
+}
+
+
+void MapLiteral::VisitChildren(Visitor* visitor) {
+  key_type()->AcceptDartTypeVisitor(visitor);
+  value_type()->AcceptDartTypeVisitor(visitor);
+  VisitList(&entries(), visitor);
+}
+
+
+MapEntry::~MapEntry() {}
+
+
+void MapEntry::AcceptTreeVisitor(TreeVisitor* visitor) {
+  visitor->VisitMapEntry(this);
+}
+
+
+void MapEntry::VisitChildren(Visitor* visitor) {
+  key()->AcceptExpressionVisitor(visitor);
+  value()->AcceptExpressionVisitor(visitor);
+}
+
+
+AwaitExpression::~AwaitExpression() {}
+
+
+void AwaitExpression::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitAwaitExpression(this);
+}
+
+
+void AwaitExpression::VisitChildren(Visitor* visitor) {
+  operand()->AcceptExpressionVisitor(visitor);
+}
+
+
+FunctionExpression::~FunctionExpression() {}
+
+
+void FunctionExpression::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitFunctionExpression(this);
+}
+
+
+void FunctionExpression::VisitChildren(Visitor* visitor) {
+  visitor->VisitFunctionNode(function());
+}
+
+
+Let::~Let() {}
+
+
+void Let::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitLet(this);
+}
+
+
+void Let::VisitChildren(Visitor* visitor) {
+  visitor->VisitVariableDeclaration(variable());
+  body()->AcceptExpressionVisitor(visitor);
+}
+
+
+BlockExpression::~BlockExpression() {}
+
+
+void BlockExpression::AcceptExpressionVisitor(ExpressionVisitor* visitor) {
+  visitor->VisitBlockExpression(this);
+}
+
+
+void BlockExpression::VisitChildren(Visitor* visitor) {
+  visitor->VisitBlock(body());
+  value()->AcceptExpressionVisitor(visitor);
+}
+
+
+Statement::~Statement() {}
+
+
+void Statement::AcceptTreeVisitor(TreeVisitor* visitor) {
+  AcceptStatementVisitor(visitor);
+}
+
+
+InvalidStatement::~InvalidStatement() {}
+
+
+void InvalidStatement::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitInvalidStatement(this);
+}
+
+
+void InvalidStatement::VisitChildren(Visitor* visitor) {}
+
+
+ExpressionStatement::~ExpressionStatement() {}
+
+
+void ExpressionStatement::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitExpressionStatement(this);
+}
+
+
+void ExpressionStatement::VisitChildren(Visitor* visitor) {
+  expression()->AcceptExpressionVisitor(visitor);
+}
+
+
+Block::~Block() {}
+
+
+void Block::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitBlock(this);
+}
+
+
+void Block::VisitChildren(Visitor* visitor) {
+  VisitList(&statements(), visitor);
+}
+
+
+EmptyStatement::~EmptyStatement() {}
+
+
+void EmptyStatement::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitEmptyStatement(this);
+}
+
+
+void EmptyStatement::VisitChildren(Visitor* visitor) {}
+
+
+AssertStatement::~AssertStatement() {}
+
+
+void AssertStatement::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitAssertStatement(this);
+}
+
+
+void AssertStatement::VisitChildren(Visitor* visitor) {
+  condition()->AcceptExpressionVisitor(visitor);
+  if (message() != NULL) message()->AcceptExpressionVisitor(visitor);
+}
+
+
+LabeledStatement::~LabeledStatement() {}
+
+
+void LabeledStatement::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitLabeledStatement(this);
+}
+
+
+void LabeledStatement::VisitChildren(Visitor* visitor) {
+  body()->AcceptStatementVisitor(visitor);
+}
+
+
+BreakStatement::~BreakStatement() {}
+
+
+void BreakStatement::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitBreakStatement(this);
+}
+
+
+void BreakStatement::VisitChildren(Visitor* visitor) {}
+
+
+WhileStatement::~WhileStatement() {}
+
+
+void WhileStatement::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitWhileStatement(this);
+}
+
+
+void WhileStatement::VisitChildren(Visitor* visitor) {
+  condition()->AcceptExpressionVisitor(visitor);
+  body()->AcceptStatementVisitor(visitor);
+}
+
+
+DoStatement::~DoStatement() {}
+
+
+void DoStatement::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitDoStatement(this);
+}
+
+
+void DoStatement::VisitChildren(Visitor* visitor) {
+  body()->AcceptStatementVisitor(visitor);
+  condition()->AcceptExpressionVisitor(visitor);
+}
+
+
+ForStatement::~ForStatement() {}
+
+
+void ForStatement::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitForStatement(this);
+}
+
+
+void ForStatement::VisitChildren(Visitor* visitor) {
+  VisitList(&variables(), visitor);
+  if (condition() != NULL) condition()->AcceptExpressionVisitor(visitor);
+  VisitList(&updates(), visitor);
+  body()->AcceptStatementVisitor(visitor);
+}
+
+
+ForInStatement::~ForInStatement() {}
+
+
+void ForInStatement::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitForInStatement(this);
+}
+
+
+void ForInStatement::VisitChildren(Visitor* visitor) {
+  visitor->VisitVariableDeclaration(variable());
+  iterable()->AcceptExpressionVisitor(visitor);
+  body()->AcceptStatementVisitor(visitor);
+}
+
+
+SwitchStatement::~SwitchStatement() {}
+
+
+void SwitchStatement::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitSwitchStatement(this);
+}
+
+
+void SwitchStatement::VisitChildren(Visitor* visitor) {
+  condition()->AcceptExpressionVisitor(visitor);
+  VisitList(&cases(), visitor);
+}
+
+
+SwitchCase::~SwitchCase() {}
+
+
+void SwitchCase::AcceptTreeVisitor(TreeVisitor* visitor) {
+  visitor->VisitSwitchCase(this);
+}
+
+
+void SwitchCase::VisitChildren(Visitor* visitor) {
+  VisitList(&expressions(), visitor);
+  body()->AcceptStatementVisitor(visitor);
+}
+
+
+ContinueSwitchStatement::~ContinueSwitchStatement() {}
+
+
+void ContinueSwitchStatement::AcceptStatementVisitor(
+    StatementVisitor* visitor) {
+  visitor->VisitContinueSwitchStatement(this);
+}
+
+
+void ContinueSwitchStatement::VisitChildren(Visitor* visitor) {}
+
+
+IfStatement::~IfStatement() {}
+
+
+void IfStatement::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitIfStatement(this);
+}
+
+
+void IfStatement::VisitChildren(Visitor* visitor) {
+  condition()->AcceptExpressionVisitor(visitor);
+  then()->AcceptStatementVisitor(visitor);
+  otherwise()->AcceptStatementVisitor(visitor);
+}
+
+
+ReturnStatement::~ReturnStatement() {}
+
+
+void ReturnStatement::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitReturnStatement(this);
+}
+
+
+void ReturnStatement::VisitChildren(Visitor* visitor) {
+  if (expression() != NULL) expression()->AcceptExpressionVisitor(visitor);
+}
+
+
+TryCatch::~TryCatch() {}
+
+
+void TryCatch::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitTryCatch(this);
+}
+
+
+void TryCatch::VisitChildren(Visitor* visitor) {
+  body()->AcceptStatementVisitor(visitor);
+  VisitList(&catches(), visitor);
+}
+
+
+Catch::~Catch() {}
+
+
+void Catch::AcceptTreeVisitor(TreeVisitor* visitor) {
+  visitor->VisitCatch(this);
+}
+
+
+void Catch::VisitChildren(Visitor* visitor) {
+  if (guard() != NULL) guard()->AcceptDartTypeVisitor(visitor);
+  if (exception() != NULL) visitor->VisitVariableDeclaration(exception());
+  if (stack_trace() != NULL) visitor->VisitVariableDeclaration(stack_trace());
+  body()->AcceptStatementVisitor(visitor);
+}
+
+
+TryFinally::~TryFinally() {}
+
+
+void TryFinally::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitTryFinally(this);
+}
+
+
+void TryFinally::VisitChildren(Visitor* visitor) {
+  body()->AcceptStatementVisitor(visitor);
+  finalizer()->AcceptStatementVisitor(visitor);
+}
+
+
+YieldStatement::~YieldStatement() {}
+
+
+void YieldStatement::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitYieldStatement(this);
+}
+
+
+void YieldStatement::VisitChildren(Visitor* visitor) {
+  expression()->AcceptExpressionVisitor(visitor);
+}
+
+
+VariableDeclaration::~VariableDeclaration() {}
+
+
+void VariableDeclaration::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitVariableDeclaration(this);
+}
+
+
+void VariableDeclaration::VisitChildren(Visitor* visitor) {
+  if (type() != NULL) type()->AcceptDartTypeVisitor(visitor);
+  if (initializer() != NULL) initializer()->AcceptExpressionVisitor(visitor);
+}
+
+
+FunctionDeclaration::~FunctionDeclaration() {}
+
+
+void FunctionDeclaration::AcceptStatementVisitor(StatementVisitor* visitor) {
+  visitor->VisitFunctionDeclaration(this);
+}
+
+
+void FunctionDeclaration::VisitChildren(Visitor* visitor) {
+  visitor->VisitVariableDeclaration(variable());
+  visitor->VisitFunctionNode(function());
+}
+
+
+Name::~Name() {}
+
+
+void Name::AcceptVisitor(Visitor* visitor) { visitor->VisitName(this); }
+
+
+void Name::VisitChildren(Visitor* visitor) {}
+
+
+InferredValue::~InferredValue() {}
+
+
+void InferredValue::AcceptVisitor(Visitor* visitor) {
+  visitor->VisitInferredValue(this);
+}
+
+
+void InferredValue::VisitChildren(Visitor* visitor) {}
+
+
+DartType::~DartType() {}
+
+
+void DartType::AcceptVisitor(Visitor* visitor) {
+  AcceptDartTypeVisitor(visitor);
+}
+
+
+InvalidType::~InvalidType() {}
+
+
+void InvalidType::AcceptDartTypeVisitor(DartTypeVisitor* visitor) {
+  visitor->VisitInvalidType(this);
+}
+
+
+void InvalidType::VisitChildren(Visitor* visitor) {}
+
+
+DynamicType::~DynamicType() {}
+
+
+void DynamicType::AcceptDartTypeVisitor(DartTypeVisitor* visitor) {
+  visitor->VisitDynamicType(this);
+}
+
+
+void DynamicType::VisitChildren(Visitor* visitor) {}
+
+
+VoidType::~VoidType() {}
+
+
+void VoidType::AcceptDartTypeVisitor(DartTypeVisitor* visitor) {
+  visitor->VisitVoidType(this);
+}
+
+
+void VoidType::VisitChildren(Visitor* visitor) {}
+
+
+InterfaceType::~InterfaceType() {}
+
+
+void InterfaceType::AcceptDartTypeVisitor(DartTypeVisitor* visitor) {
+  visitor->VisitInterfaceType(this);
+}
+
+
+void InterfaceType::VisitChildren(Visitor* visitor) {
+  klass()->AcceptReferenceVisitor(visitor);
+  VisitList(&type_arguments(), visitor);
+}
+
+
+FunctionType::~FunctionType() {}
+
+
+void FunctionType::AcceptDartTypeVisitor(DartTypeVisitor* visitor) {
+  visitor->VisitFunctionType(this);
+}
+
+
+void FunctionType::VisitChildren(Visitor* visitor) {
+  VisitList(&type_parameters(), visitor);
+  VisitList(&positional_parameters(), visitor);
+  for (int i = 0; i < named_parameters().length(); ++i) {
+    named_parameters()[i]->second()->AcceptDartTypeVisitor(visitor);
+  }
+  return_type()->AcceptDartTypeVisitor(visitor);
+}
+
+
+TypeParameterType::~TypeParameterType() {}
+
+
+void TypeParameterType::AcceptDartTypeVisitor(DartTypeVisitor* visitor) {
+  visitor->VisitTypeParameterType(this);
+}
+
+
+void TypeParameterType::VisitChildren(Visitor* visitor) {}
+
+
+TypeParameter::~TypeParameter() {}
+
+
+void TypeParameter::AcceptTreeVisitor(TreeVisitor* visitor) {
+  visitor->VisitTypeParameter(this);
+}
+
+
+void TypeParameter::VisitChildren(Visitor* visitor) {
+  bound()->AcceptDartTypeVisitor(visitor);
+}
+
+
+Program::~Program() {}
+
+
+void Program::AcceptTreeVisitor(TreeVisitor* visitor) {
+  visitor->VisitProgram(this);
+}
+
+
+void Program::VisitChildren(Visitor* visitor) {
+  VisitList(&libraries(), visitor);
+  visitor->VisitProcedureReference(main_method());
+}
+
+
+}  // namespace kernel
+
+}  // namespace dart