Package net.hydromatic.morel.compile

Class Resolver.ReferenceFinder

java.lang.Object

net.hydromatic.morel.ast.Visitor

net.hydromatic.morel.compile.EnvVisitor

net.hydromatic.morel.compile.Resolver.ReferenceFinder

Enclosing class:

Resolver

static class Resolver.ReferenceFinder
extends EnvVisitor

Visitor that finds all references to unbound variables in an expression.

Nested Class Summary

Nested classes/interfaces inherited from class net.hydromatic.morel.compile.EnvVisitor

EnvVisitor.FromContext

Field Summary

Fields

Modifier and Type	Field	Description
(package private) final Set<Core.NamedPat>	set

Fields inherited from class net.hydromatic.morel.compile.EnvVisitor

env, fromStack, typeSystem

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ReferenceFinder(TypeSystem typeSystem, Environment env, Set<Core.NamedPat> set, Deque<EnvVisitor.FromContext> fromStack)

Method Summary

Modifier and Type	Method	Description
protected Resolver.ReferenceFinder	push(Environment env)	Creates a visitor the same as this but with a new environment.
protected void	visit(Core.Id id)

Methods inherited from class net.hydromatic.morel.compile.EnvVisitor

bind, bind, visit, visit, visit, visit, visit, visit, visit, visitStep

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

accept, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit

Methods inherited from class java.lang.Object

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

Field Details

set

final Set<Core.NamedPat> set

Constructor Details

ReferenceFinder

protected ReferenceFinder(TypeSystem typeSystem,
 Environment env,
 Set<Core.NamedPat> set,
 Deque<EnvVisitor.FromContext> fromStack)

Method Details

push

protected Resolver.ReferenceFinder push(Environment env)

Description copied from class: EnvVisitor

Creates a visitor the same as this but with a new environment.

Specified by:

push in class EnvVisitor

visit

protected void visit(Core.Id id)

Overrides:

visit in class Visitor