Package com.sun.tools.javac.code

Class Scope.DelegatedScope

java.lang.Object

com.sun.tools.javac.code.Scope

com.sun.tools.javac.code.Scope.DelegatedScope

Enclosing class:

Scope

public static class Scope.DelegatedScope
extends Scope

An empty scope, into which you can't place anything. Used for the scope for a variable initializer.

Nested Class Summary

Nested classes/interfaces inherited from class com.sun.tools.javac.code.Scope

Scope.CompoundScope, Scope.DelegatedScope, Scope.Entry, Scope.ErrorScope, Scope.ImportScope, Scope.ScopeListener, Scope.StarImportScope

Field Summary

Fields

Modifier and Type	Field and Description
static Scope.Entry[]	emptyTable

Fields inherited from class com.sun.tools.javac.code.Scope

elems, emptyScope, next, owner

Constructor Summary

Constructors

Constructor and Description
DelegatedScope(Scope outer)

Method Summary

Modifier and Type	Method and Description
Scope	dup() Construct a fresh scope within this scope, with same owner, which shares its table with the outer scope.
Scope	dupUnshared() Construct a fresh scope within this scope, with same owner, with a new hash table, whose contents initially are those of the table of its outer scope.
void	enter(Symbol sym) Enter symbol sym in this scope.
void	enter(Symbol sym, Scope s)
Scope	leave() Remove all entries of this scope from its table, if shared with next.
Scope.Entry	lookup(Name name) Return the entry associated with given name, starting in this scope and proceeding outwards.
void	remove(Symbol sym) Remove symbol from this scope.

Methods inherited from class com.sun.tools.javac.code.Scope

addScopeListener, anyMatch, dup, enter, enterIfAbsent, getElements, getElements, getElementsByName, getElementsByName, includes, lookup, toString

Methods inherited from class java.lang.Object

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

Field Detail

emptyTable

public static final Scope.Entry[] emptyTable

Constructor Detail

DelegatedScope

public DelegatedScope(Scope outer)

Method Detail

dup

public Scope dup()

Description copied from class: Scope

Construct a fresh scope within this scope, with same owner, which shares its table with the outer scope. Used in connection with method leave if scope access is stack-like in order to avoid allocation of fresh tables.

Overrides:

dup in class Scope

dupUnshared

public Scope dupUnshared()

Description copied from class: Scope

Construct a fresh scope within this scope, with same owner, with a new hash table, whose contents initially are those of the table of its outer scope.

Overrides:

dupUnshared in class Scope

leave

public Scope leave()

Description copied from class: Scope

Remove all entries of this scope from its table, if shared with next.

Overrides:

leave in class Scope

enter

public void enter(Symbol sym)

Description copied from class: Scope

Enter symbol sym in this scope.

Overrides:

enter in class Scope

enter

public void enter(Symbol sym,
                  Scope s)

Overrides:

enter in class Scope

remove

public void remove(Symbol sym)

Description copied from class: Scope

Remove symbol from this scope. Used when an inner class attribute tells us that the class isn't a package member.

Overrides:

remove in class Scope

lookup

public Scope.Entry lookup(Name name)

Description copied from class: Scope

Return the entry associated with given name, starting in this scope and proceeding outwards. If no entry was found, return the sentinel, which is characterized by having a null in both its scope and sym fields, whereas both fields are non-null for regular entries.

Overrides:

lookup in class Scope