Package net.hydromatic.morel.ast

Class Core.RecordSelector

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.RecordSelector

Enclosing class:

Core

public static class Core.RecordSelector
extends Core.Exp

Record selector function.

Field Summary

Fields

Modifier and Type	Field	Description
final int	slot	The ordinal of the field in the record or tuple that is to be accessed.

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
RecordSelector(FnType fnType, int slot)	Creates a record selector.

Method Summary

Modifier and Type	Method	Description
Core.RecordSelector	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.
boolean	equals(Object o)
String	fieldName()
int	hashCode()
FnType	type()	Returns the type.
(package private) AstWriter	unparse(AstWriter w, int left, int right)

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

arg, forEachArg, isCallTo, isConstant

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

slot

public final int slot

The ordinal of the field in the record or tuple that is to be accessed.

Constructor Details

RecordSelector

RecordSelector(FnType fnType,
 int slot)

Creates a record selector.

Method Details

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

fieldName

public String fieldName()

type

public FnType type()

Description copied from class: Core.Exp

Returns the type.

Overrides:

type in class Core.Exp

accept

public Core.RecordSelector 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