Package net.hydromatic.morel.ast

Class Core.From

java.lang.Object

net.hydromatic.morel.ast.AstNode

net.hydromatic.morel.ast.Core.BaseNode

net.hydromatic.morel.ast.Core.Exp

net.hydromatic.morel.ast.Core.From

Enclosing class:

Core

public static class Core.From
extends Core.Exp

From expression.

Field Summary

Fields

Modifier and Type	Field	Description
final com.google.common.collect.ImmutableList<Core.FromStep>	steps

Fields inherited from class net.hydromatic.morel.ast.Core.Exp

type

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

op, pos

Constructor Summary

Constructors

Constructor	Description
From(Type type, com.google.common.collect.ImmutableList<Core.FromStep> steps)

Method Summary

Modifier and Type	Method	Description
Core.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.
Core.Exp	copy(TypeSystem typeSystem, @Nullable Environment env, List<Core.FromStep> steps)	Copies this From with a new set of steps.
boolean	equals(Object o)
int	hashCode()
(package private) AstWriter	unparse(AstWriter w, int left, int right)

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

arg, forEachArg, isCallTo, isCallTo, isConstant, type

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

toString, unparse

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

steps

public final com.google.common.collect.ImmutableList<Core.FromStep> steps

Constructor Details

From

From(Type type,
 com.google.common.collect.ImmutableList<Core.FromStep> steps)

Method Details

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

accept

public Core.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 Core.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.

Overrides:

accept in class Core.BaseNode

unparse

AstWriter unparse(AstWriter w,
 int left,
 int right)

Specified by:

unparse in class AstNode

copy

public Core.Exp copy(TypeSystem typeSystem,
 @Nullable Environment env,
 List<Core.FromStep> steps)

Copies this From with a new set of steps.

Returns this From if the steps are the same. If env is not null, performs additional checking.