Module org.glavo.classfile

Package org.glavo.classfile

Interface ClassHierarchyResolver

All Known Implementing Classes:

ClassHierarchyImpl.CachedClassHierarchyResolver, ClassHierarchyImpl.StaticClassHierarchyResolver

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface ClassHierarchyResolver

Provides class hierarchy information for generating correct stack maps during code building.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static final record	ClassHierarchyResolver.ClassHierarchyInfo	Information about a resolved class.

Field Summary

Fields

Modifier and Type	Field	Description
static final ClassHierarchyResolver	DEFAULT_CLASS_HIERARCHY_RESOLVER	Default singleton instance of ClassHierarchyResolver using ClassLoader.getSystemResourceAsStream(String) as the ClassStreamResolver

Method Summary

Modifier and Type	Method	Description
ClassHierarchyResolver.ClassHierarchyInfo	getClassInfo(ClassDesc classDesc)	Returns the ClassHierarchyResolver.ClassHierarchyInfo for a given class name, or null if the name is unknown to the resolver.
static ClassHierarchyResolver	of(Collection<ClassDesc> interfaces, Map<ClassDesc,ClassDesc> classToSuperClass)	Returns a ClassHierarchyResolver that extracts class hierarchy information from collections of class hierarchy metadata
static ClassHierarchyResolver	ofCached(Function<ClassDesc,InputStream> classStreamResolver)	Returns a ClassHierarchyResolver that extracts class hierarchy information from classfiles located by a mapping function
default ClassHierarchyResolver	orElse(ClassHierarchyResolver other)	Chains this ClassHierarchyResolver with another to be consulted if this resolver does not know about the specified class.

Field Details

DEFAULT_CLASS_HIERARCHY_RESOLVER

static final ClassHierarchyResolver DEFAULT_CLASS_HIERARCHY_RESOLVER

Default singleton instance of ClassHierarchyResolver using ClassLoader.getSystemResourceAsStream(String) as the ClassStreamResolver

Method Details

getClassInfo

ClassHierarchyResolver.ClassHierarchyInfo getClassInfo(ClassDesc classDesc)

Returns the ClassHierarchyResolver.ClassHierarchyInfo for a given class name, or null if the name is unknown to the resolver.

Parameters:

classDesc - descriptor of the class

Returns:

the ClassHierarchyResolver.ClassHierarchyInfo for a given class name, or null if the name is unknown to the resolver

orElse

default ClassHierarchyResolver orElse(ClassHierarchyResolver other)

Chains this ClassHierarchyResolver with another to be consulted if this resolver does not know about the specified class.

Parameters:

other - the other resolver

Returns:

the chained resolver

ofCached

static ClassHierarchyResolver ofCached(Function<ClassDesc,InputStream> classStreamResolver)

Returns a ClassHierarchyResolver that extracts class hierarchy information from classfiles located by a mapping function

Parameters:

classStreamResolver - maps class descriptors to classfile input streams

Returns:

the ClassHierarchyResolver

of

static ClassHierarchyResolver of(Collection<ClassDesc> interfaces,
 Map<ClassDesc,ClassDesc> classToSuperClass)

Returns a ClassHierarchyResolver that extracts class hierarchy information from collections of class hierarchy metadata

Parameters:

interfaces - a collection of classes known to be interfaces

classToSuperClass - a map from classes to their super classes

Returns:

the ClassHierarchyResolver