Module org.glavo.classfile

Package org.glavo.classfile.impl

Class Util

java.lang.Object

org.glavo.classfile.impl.Util

public class Util
extends Object

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

Method Summary

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

Methods inherited from class java.lang.Object

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

Method Details

isAttributeAllowed

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

parameterSlots

public static int parameterSlots(MethodTypeDesc mDesc)

parseParameterSlots

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

maxLocals

public static int maxLocals(int flags,
 MethodTypeDesc mDesc)

toBinaryName

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).

toInternalName

public static String toInternalName(ClassDesc cd)

toClassDesc

public static ClassDesc toClassDesc(String classInternalNameOrArrayDesc)

mappedList

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

entryList

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

moduleEntryList

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

checkKind

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

flagsToBits

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

flagsToBits

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

has

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

fieldTypeSymbol

public static ClassDesc fieldTypeSymbol(NameAndTypeEntry nat)

methodTypeSymbol

public static MethodTypeDesc methodTypeSymbol(NameAndTypeEntry nat)

slotSize

public static int slotSize(ClassDesc desc)

isDoubleSlot

public static boolean isDoubleSlot(ClassDesc desc)