Package net.hydromatic.morel.eval

Class CodeVisitor

java.lang.Object

net.hydromatic.morel.eval.CodeVisitor

All Implemented Interfaces:

Describer

class CodeVisitor
extends Object
implements Describer

Implementation of Describer that just traverses the tree.

Nested Class Summary

Nested classes/interfaces inherited from interface net.hydromatic.morel.eval.Describer

Describer.Detail

Field Summary

Fields

Modifier and Type	Field	Description
(package private) final Describer.Detail	detail

Constructor Summary

Constructors

Constructor	Description
CodeVisitor()

Method Summary

Modifier and Type	Method	Description
int	register(String name, int i)	Registers a (name, ordinal) combination, and returns how many occurrences of the same name with a different ordinal have been seen before.
Describer	start(String name, Consumer<Describer.Detail> consumer)

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.hydromatic.morel.eval.Describer

addStartAction

Field Details

detail

final Describer.Detail detail

Constructor Details

CodeVisitor

CodeVisitor()

Method Details

register

public int register(String name,
 int i)

Description copied from interface: Describer

Registers a (name, ordinal) combination, and returns how many occurrences of the same name with a different ordinal have been seen before.

For example:

• register("a", 0) returns 0;
• register("b", 3) returns 0;
• register("b", 2) returns 1;
• register("b", 3) returns 0;
• register("a", 42) returns 1.

Specified by:

register in interface Describer

See Also:

• Core.Pat.describe(Describer)

start

public Describer start(String name,
 Consumer<Describer.Detail> consumer)

Specified by:

start in interface Describer