Package net.hydromatic.morel.ast

Class Ast.Exists

java.lang.Object

net.hydromatic.morel.ast.AstNode

net.hydromatic.morel.ast.Ast.Exp

net.hydromatic.morel.ast.Ast.Query

net.hydromatic.morel.ast.Ast.Exists

Enclosing class:

Ast

public static class Ast.Exists
extends Ast.Query

Exists expression.

Field Summary

Fields inherited from class net.hydromatic.morel.ast.Ast.Query

implicitYieldExp, steps

Fields inherited from class net.hydromatic.morel.ast.AstNode

op, pos

Constructor Summary

Constructors

Constructor	Description
Exists(Pos pos, com.google.common.collect.ImmutableList<Ast.FromStep> steps)

Method Summary

Modifier and Type	Method	Description
Ast.Exp	accept(Shuttle shuttle)	Accepts a shuttle, calling the Shuttle.visit(net.hydromatic.morel.ast.Ast.Literal) method appropriate to the type of this node, and returning the result.
void	accept(Visitor visitor)	Accepts a visitor, calling the Shuttle.visit(net.hydromatic.morel.ast.Ast.Literal) method appropriate to the type of this node, and returning the result.
Ast.Exists	copy(List<Ast.FromStep> steps, @Nullable Ast.Exp implicitYieldExp)	Creates a copy of this From or Exists with given contents, or this if the contents are the same.

Methods inherited from class net.hydromatic.morel.ast.Ast.Query

implicitYieldExp, isCompute, isInto, unparse

Methods inherited from class net.hydromatic.morel.ast.Ast.Exp

args, forEachArg

Methods inherited from class net.hydromatic.morel.ast.AstNode

toString, unparse

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

Exists

Exists(Pos pos,
 com.google.common.collect.ImmutableList<Ast.FromStep> steps)

Method Details

copy

public Ast.Exists copy(List<Ast.FromStep> steps,
 @Nullable Ast.Exp implicitYieldExp)

Description copied from class: Ast.Query

Creates a copy of this From or Exists with given contents, or this if the contents are the same.

Specified by:

copy in class Ast.Query

accept

public Ast.Exp accept(Shuttle shuttle)

Description copied from class: AstNode

Accepts a shuttle, calling the Shuttle.visit(net.hydromatic.morel.ast.Ast.Literal) method appropriate to the type of this node, and returning the result.

Specified by:

accept in class Ast.Exp

accept

public void accept(Visitor visitor)

Description copied from class: AstNode

Accepts a visitor, calling the Shuttle.visit(net.hydromatic.morel.ast.Ast.Literal) method appropriate to the type of this node, and returning the result.

Specified by:

accept in class AstNode