# Part of the Carbon Language project, under the Apache License v2.0 with LLVM
# Exceptions. See /LICENSE for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

root class AstNode;
interface class NamedEntity : AstNode;
abstract class Pattern : AstNode;
  class AutoPattern : Pattern;
  class BindingPattern : Pattern, NamedEntity;
  class TuplePattern : Pattern;
  class AlternativePattern : Pattern;
  class ExpressionPattern : Pattern;
abstract class Declaration : AstNode, NamedEntity;
  class FunctionDeclaration : Declaration;
  class ClassDeclaration : Declaration;
  class ChoiceDeclaration : Declaration;
  class VariableDeclaration : Declaration;
class GenericBinding : AstNode, NamedEntity;
class AlternativeSignature : AstNode, NamedEntity;
abstract class Statement : AstNode;
  class ExpressionStatement : Statement;
  class Assign : Statement;
  class VariableDefinition : Statement;
  class If : Statement;
  class Return : Statement;
  class Block : Statement;
  class While : Statement;
  class Break : Statement;
  class Continue : Statement;
  class Match : Statement;
  class Continuation : Statement, NamedEntity;
  class Run : Statement;
  class Await : Statement;
abstract class Expression : AstNode;
  class BoolTypeLiteral : Expression;
  class BoolLiteral : Expression;
  class CallExpression : Expression;
  class FunctionTypeLiteral : Expression;
  class FieldAccessExpression : Expression;
  class IndexExpression : Expression;
  class IntTypeLiteral : Expression;
  class ContinuationTypeLiteral : Expression;
  class IntLiteral : Expression;
  class PrimitiveOperatorExpression : Expression;
  class StringLiteral : Expression;
  class StringTypeLiteral : Expression;
  class TupleLiteral : Expression;
  class StructLiteral : Expression;
  class StructTypeLiteral : Expression;
  class TypeTypeLiteral : Expression;
  class IdentifierExpression : Expression;
  class IntrinsicExpression : Expression;
  class UnimplementedExpression : Expression;
abstract class Member : AstNode;
  class FieldMember : Member, NamedEntity;