Top Description Fields Constructors Methods

jdk.internal.classfile.impl

public Class Util

Class Inheritance

extends Object

java.lang.Object
jdk.internal.classfile.impl.Util

Imports

java.lang.constant.ClassDesc, .MethodTypeDesc, .ModuleDesc, java.util.AbstractList, .Collection, .List, java.util.function.Function, java.lang.classfile.Attribute, .AttributeMapper, .ClassFile, .Opcode, java.lang.classfile.constantpool.ClassEntry, .ModuleEntry, .NameAndTypeEntry, java.lang.reflect.AccessFlag, jdk.internal.access.SharedSecrets

Helper to create and manipulate type descriptors, where type descriptors are represented as JVM type descriptor strings and symbols are represented as name strings

Field Summary

Modifier and Type	Field and Description
private static final int	ATTRIBUTE_STABILITY_COUNT

Constructor Summary

Access	Constructor and Description
private	Util()

Method Summary

Modifier and Type	Method and Description
public static void	checkKind(Opcode op, Opcode.Kind k)
public static List<ClassEntry>	entryList(List<? extends ClassDesc> list)
public static ClassDesc	fieldTypeSymbol(NameAndTypeEntry nat)
public static int	flagsToBits(AccessFlag.Location location, Collection<AccessFlag> flags)
public static int	flagsToBits(AccessFlag.Location location, AccessFlag... flags)
public static boolean	has(AccessFlag.Location location, int flagsMask, AccessFlag flag)
public static boolean	isAttributeAllowed(final Attribute<?> attr, final ClassFile.AttributesProcessingOption processingOption)
public static boolean	isDoubleSlot(ClassDesc desc)
public static <T, U> List<U>	mappedList(List<? extends T> list, Function<T, U> mapper)
public static int	maxLocals(int flags, MethodTypeDesc mDesc)
public static MethodTypeDesc	methodTypeSymbol(NameAndTypeEntry nat)
public static List<ModuleEntry>	moduleEntryList(List<? extends ModuleDesc> list)
public static int	parameterSlots(MethodTypeDesc mDesc)
public static int[]	parseParameterSlots(int flags, MethodTypeDesc mDesc)
public static int	slotSize(ClassDesc desc)
public static String	toBinaryName(ClassDesc cd) Converts a descriptor of classes or interfaces into a binary name.
public static ClassDesc	toClassDesc(String classInternalNameOrArrayDesc)
public static String	toInternalName(ClassDesc cd)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

ATTRIBUTE_STABILITY_COUNT	back to summary
private static final int ATTRIBUTE_STABILITY_COUNT

Constructor Detail

Util	back to summary
private Util()

Method Detail

checkKind	back to summary
public static void checkKind(Opcode op, Opcode.Kind k)

entryList	back to summary
public static List<ClassEntry> entryList(List<? extends ClassDesc> list)

fieldTypeSymbol	back to summary
public static ClassDesc fieldTypeSymbol(NameAndTypeEntry nat)

flagsToBits	back to summary
public static int flagsToBits(AccessFlag.Location location, Collection<AccessFlag> flags)

flagsToBits	back to summary
public static int flagsToBits(AccessFlag.Location location, AccessFlag... flags)

has	back to summary
public static boolean has(AccessFlag.Location location, int flagsMask, AccessFlag flag)

isAttributeAllowed	back to summary
public static boolean isAttributeAllowed(final Attribute<?> attr, final ClassFile.AttributesProcessingOption processingOption)

isDoubleSlot	back to summary
public static boolean isDoubleSlot(ClassDesc desc)

mappedList	back to summary
public static <T, U> List<U> mappedList(List<? extends T> list, Function<T, U> mapper)

maxLocals	back to summary
public static int maxLocals(int flags, MethodTypeDesc mDesc)

methodTypeSymbol	back to summary
public static MethodTypeDesc methodTypeSymbol(NameAndTypeEntry nat)

moduleEntryList	back to summary
public static List<ModuleEntry> moduleEntryList(List<? extends ModuleDesc> list)

parameterSlots	back to summary
public static int parameterSlots(MethodTypeDesc mDesc)

parseParameterSlots	back to summary
public static int[] parseParameterSlots(int flags, MethodTypeDesc mDesc)

slotSize	back to summary
public static int slotSize(ClassDesc desc)

toBinaryName	back to summary
public static String toBinaryName(ClassDesc cd) Converts a descriptor of classes or interfaces into a binary name. Rejects primitive types or arrays. This is an inverse of `ClassDesc#of(String)`.

toClassDesc	back to summary
public static ClassDesc toClassDesc(String classInternalNameOrArrayDesc)

toInternalName	back to summary
public static String toInternalName(ClassDesc cd)