Package net.hydromatic.morel.ast

Class Core.Scan

java.lang.Object

net.hydromatic.morel.ast.AstNode

net.hydromatic.morel.ast.Core.BaseNode

net.hydromatic.morel.ast.Core.FromStep

net.hydromatic.morel.ast.Core.Scan

Enclosing class:

Core

public static class Core.Scan
extends Core.FromStep

A join or v in listExpr or v = expr clause in a from expression.

Field Summary

Fields

Modifier and Type	Field	Description
Core.Exp	condition
Core.Exp	exp
Core.Pat	pat

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

bindings

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

op, pos

Constructor Summary

Constructors

Constructor	Description
Scan(Op op, com.google.common.collect.ImmutableList<Binding> bindings, Core.Pat pat, Core.Exp exp, Core.Exp condition)

Method Summary

Modifier and Type	Method	Description
Core.Scan	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.Scan	copy(List<Binding> bindings, Core.Pat pat, Core.Exp exp, Core.Exp condition)
private boolean	isLiteralTrue()
protected AstWriter	unparse(AstWriter w, Core.From from, int ordinal, int left, int right)

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

unparse

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

Field Detail

pat

public final Core.Pat pat

exp

public final Core.Exp exp

condition

public final Core.Exp condition

Constructor Detail

Scan

Scan(Op op,
     com.google.common.collect.ImmutableList<Binding> bindings,
     Core.Pat pat,
     Core.Exp exp,
     Core.Exp condition)

Method Detail

accept

public Core.Scan 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.FromStep

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

protected AstWriter unparse(AstWriter w,
                            Core.From from,
                            int ordinal,
                            int left,
                            int right)

Specified by:

unparse in class Core.FromStep

isLiteralTrue

private boolean isLiteralTrue()

copy

public Core.Scan copy(List<Binding> bindings,
                      Core.Pat pat,
                      Core.Exp exp,
                      Core.Exp condition)