org.jikesrvm.compilers.opt

Class FieldDatabase

java.lang.Object

org.jikesrvm.compilers.opt.FieldDatabase

final class FieldDatabase
extends Object

database to hold field-level information this is a mapping from RVMField -> FieldDatabaseEntry

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static class	FieldDatabase.FieldDatabaseEntry A data structure holding information about a field.
(package private) static class	FieldDatabase.FieldWriterInfo A data structure holding information about a particular <method,field> combination, where the method may write the field.

Field Summary

Fields

Modifier and Type	Field and Description
private ImmutableEntryHashMapRVM<RVMField,FieldDatabase.FieldDatabaseEntry>	db
private static boolean	DEBUG

Constructor Summary

Constructors

Constructor and Description
FieldDatabase()

Method Summary

Modifier and Type	Method and Description
private static void	debug(String s)
(package private) FieldDatabase.FieldDatabaseEntry	findOrCreateEntry(RVMField f)
TypeReference	getConcreteType(RVMField f)

Methods inherited from class java.lang.Object

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

Field Detail

DEBUG

private static final boolean DEBUG

See Also:

Constant Field Values

db

private final ImmutableEntryHashMapRVM<RVMField,FieldDatabase.FieldDatabaseEntry> db

Constructor Detail

FieldDatabase

FieldDatabase()

Method Detail

findOrCreateEntry

FieldDatabase.FieldDatabaseEntry findOrCreateEntry(RVMField f)

getConcreteType

public TypeReference getConcreteType(RVMField f)

Parameters:

f - the field in question

Returns:

the concrete type of a field, or null if none determined

debug

private static void debug(String s)