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/*******************************************************************************
* Copyright (c) 2000, 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.compiler.codegen;
import org.eclipse.jdt.core.compiler.CharOperation;
import org.eclipse.jdt.internal.compiler.ClassFile;
import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import org.eclipse.jdt.internal.compiler.lookup.TagBits;
import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
import org.eclipse.jdt.internal.compiler.lookup.TypeConstants;
import org.eclipse.jdt.internal.compiler.lookup.TypeIds;
import org.eclipse.jdt.internal.compiler.util.HashtableOfObject;
import org.eclipse.jdt.internal.compiler.util.Util;
/**
* This type is used to store all the constant pool entries.
*/
public class ConstantPool implements ClassFileConstants, TypeIds {
public static final int DOUBLE_INITIAL_SIZE = 5;
public static final int FLOAT_INITIAL_SIZE = 3;
public static final int INT_INITIAL_SIZE = 248;
public static final int LONG_INITIAL_SIZE = 5;
public static final int UTF8_INITIAL_SIZE = 778;
public static final int STRING_INITIAL_SIZE = 761;
public static final int METHODS_AND_FIELDS_INITIAL_SIZE = 450;
public static final int CLASS_INITIAL_SIZE = 86;
public static final int NAMEANDTYPE_INITIAL_SIZE = 272;
public static final int CONSTANTPOOL_INITIAL_SIZE = 2000;
public static final int CONSTANTPOOL_GROW_SIZE = 6000;
protected DoubleCache doubleCache;
protected FloatCache floatCache;
protected IntegerCache intCache;
protected LongCache longCache;
public CharArrayCache UTF8Cache;
protected CharArrayCache stringCache;
protected HashtableOfObject methodsAndFieldsCache;
protected CharArrayCache classCache;
protected HashtableOfObject nameAndTypeCacheForFieldsAndMethods;
public byte[] poolContent;
public int currentIndex = 1;
public int currentOffset;
public int[] offsets;
public ClassFile classFile;
public static final char[] Append = "append".toCharArray(); //$NON-NLS-1$
public static final char[] ARRAY_NEWINSTANCE_NAME = "newInstance".toCharArray(); //$NON-NLS-1$
public static final char[] ARRAY_NEWINSTANCE_SIGNATURE = "(Ljava/lang/Class;[I)Ljava/lang/Object;".toCharArray(); //$NON-NLS-1$
public static final char[] ArrayCopy = "arraycopy".toCharArray(); //$NON-NLS-1$
public static final char[] ArrayCopySignature = "(Ljava/lang/Object;ILjava/lang/Object;II)V".toCharArray(); //$NON-NLS-1$
public static final char[] ArrayJavaLangClassConstantPoolName = "[Ljava/lang/Class;".toCharArray(); //$NON-NLS-1$
public static final char[] ArrayJavaLangObjectConstantPoolName = "[Ljava/lang/Object;".toCharArray(); //$NON-NLS-1$
public static final char[] booleanBooleanSignature = "(Z)Ljava/lang/Boolean;".toCharArray(); //$NON-NLS-1$
public static final char[] BooleanConstrSignature = "(Z)V".toCharArray(); //$NON-NLS-1$
public static final char[] BOOLEANVALUE_BOOLEAN_METHOD_NAME = "booleanValue".toCharArray(); //$NON-NLS-1$
public static final char[] BOOLEANVALUE_BOOLEAN_METHOD_SIGNATURE = "()Z".toCharArray(); //$NON-NLS-1$
public static final char[] byteByteSignature = "(B)Ljava/lang/Byte;".toCharArray(); //$NON-NLS-1$
public static final char[] ByteConstrSignature = "(B)V".toCharArray(); //$NON-NLS-1$
public static final char[] BYTEVALUE_BYTE_METHOD_NAME = "byteValue".toCharArray(); //$NON-NLS-1$
public static final char[] BYTEVALUE_BYTE_METHOD_SIGNATURE = "()B".toCharArray(); //$NON-NLS-1$
public static final char[] charCharacterSignature = "(C)Ljava/lang/Character;".toCharArray(); //$NON-NLS-1$
public static final char[] CharConstrSignature = "(C)V".toCharArray(); //$NON-NLS-1$
public static final char[] CHARVALUE_CHARACTER_METHOD_NAME = "charValue".toCharArray(); //$NON-NLS-1$
public static final char[] CHARVALUE_CHARACTER_METHOD_SIGNATURE = "()C".toCharArray(); //$NON-NLS-1$
public static final char[] Clinit = "".toCharArray(); //$NON-NLS-1$
public static final char[] DefaultConstructorSignature = "()V".toCharArray(); //$NON-NLS-1$
public static final char[] ClinitSignature = DefaultConstructorSignature;
public static final char[] DesiredAssertionStatus = "desiredAssertionStatus".toCharArray(); //$NON-NLS-1$
public static final char[] DesiredAssertionStatusSignature = "()Z".toCharArray(); //$NON-NLS-1$
public static final char[] DoubleConstrSignature = "(D)V".toCharArray(); //$NON-NLS-1$
public static final char[] doubleDoubleSignature = "(D)Ljava/lang/Double;".toCharArray(); //$NON-NLS-1$
public static final char[] DOUBLEVALUE_DOUBLE_METHOD_NAME = "doubleValue".toCharArray(); //$NON-NLS-1$
public static final char[] DOUBLEVALUE_DOUBLE_METHOD_SIGNATURE = "()D".toCharArray(); //$NON-NLS-1$
public static final char[] Exit = "exit".toCharArray(); //$NON-NLS-1$
public static final char[] ExitIntSignature = "(I)V".toCharArray(); //$NON-NLS-1$
public static final char[] FloatConstrSignature = "(F)V".toCharArray(); //$NON-NLS-1$
public static final char[] floatFloatSignature = "(F)Ljava/lang/Float;".toCharArray(); //$NON-NLS-1$
public static final char[] FLOATVALUE_FLOAT_METHOD_NAME = "floatValue".toCharArray(); //$NON-NLS-1$
public static final char[] FLOATVALUE_FLOAT_METHOD_SIGNATURE = "()F".toCharArray(); //$NON-NLS-1$
public static final char[] ForName = "forName".toCharArray(); //$NON-NLS-1$
public static final char[] ForNameSignature = "(Ljava/lang/String;)Ljava/lang/Class;".toCharArray(); //$NON-NLS-1$
public static final char[] GET_BOOLEAN_METHOD_NAME = "getBoolean".toCharArray(); //$NON-NLS-1$
public static final char[] GET_BOOLEAN_METHOD_SIGNATURE = "(Ljava/lang/Object;)Z".toCharArray(); //$NON-NLS-1$
public static final char[] GET_BYTE_METHOD_NAME = "getByte".toCharArray(); //$NON-NLS-1$
public static final char[] GET_BYTE_METHOD_SIGNATURE = "(Ljava/lang/Object;)B".toCharArray(); //$NON-NLS-1$
public static final char[] GET_CHAR_METHOD_NAME = "getChar".toCharArray(); //$NON-NLS-1$
public static final char[] GET_CHAR_METHOD_SIGNATURE = "(Ljava/lang/Object;)C".toCharArray(); //$NON-NLS-1$
public static final char[] GET_DOUBLE_METHOD_NAME = "getDouble".toCharArray(); //$NON-NLS-1$
public static final char[] GET_DOUBLE_METHOD_SIGNATURE = "(Ljava/lang/Object;)D".toCharArray(); //$NON-NLS-1$
public static final char[] GET_FLOAT_METHOD_NAME = "getFloat".toCharArray(); //$NON-NLS-1$
public static final char[] GET_FLOAT_METHOD_SIGNATURE = "(Ljava/lang/Object;)F".toCharArray(); //$NON-NLS-1$
public static final char[] GET_INT_METHOD_NAME = "getInt".toCharArray(); //$NON-NLS-1$
public static final char[] GET_INT_METHOD_SIGNATURE = "(Ljava/lang/Object;)I".toCharArray(); //$NON-NLS-1$
public static final char[] GET_LONG_METHOD_NAME = "getLong".toCharArray(); //$NON-NLS-1$
public static final char[] GET_LONG_METHOD_SIGNATURE = "(Ljava/lang/Object;)J".toCharArray(); //$NON-NLS-1$
public static final char[] GET_OBJECT_METHOD_NAME = "get".toCharArray(); //$NON-NLS-1$
public static final char[] GET_OBJECT_METHOD_SIGNATURE = "(Ljava/lang/Object;)Ljava/lang/Object;".toCharArray(); //$NON-NLS-1$
public static final char[] GET_SHORT_METHOD_NAME = "getShort".toCharArray(); //$NON-NLS-1$
public static final char[] GET_SHORT_METHOD_SIGNATURE = "(Ljava/lang/Object;)S".toCharArray(); //$NON-NLS-1$
public static final char[] GetClass = "getClass".toCharArray(); //$NON-NLS-1$
public static final char[] GetClassSignature = "()Ljava/lang/Class;".toCharArray(); //$NON-NLS-1$
public static final char[] GetComponentType = "getComponentType".toCharArray(); //$NON-NLS-1$
public static final char[] GetComponentTypeSignature = GetClassSignature;
public static final char[] GetConstructor = "getConstructor".toCharArray(); //$NON-NLS-1$
public static final char[] GetConstructorSignature = "([Ljava/lang/Class;)Ljava/lang/reflect/Constructor;".toCharArray(); //$NON-NLS-1$
public static final char[] GETDECLAREDCONSTRUCTOR_NAME = "getDeclaredConstructor".toCharArray(); //$NON-NLS-1$
public static final char[] GETDECLAREDCONSTRUCTOR_SIGNATURE = "([Ljava/lang/Class;)Ljava/lang/reflect/Constructor;".toCharArray(); //$NON-NLS-1$
// predefined methods constant names
public static final char[] GETDECLAREDFIELD_NAME = "getDeclaredField".toCharArray(); //$NON-NLS-1$
public static final char[] GETDECLAREDFIELD_SIGNATURE = "(Ljava/lang/String;)Ljava/lang/reflect/Field;".toCharArray(); //$NON-NLS-1$
public static final char[] GETDECLAREDMETHOD_NAME = "getDeclaredMethod".toCharArray(); //$NON-NLS-1$
public static final char[] GETDECLAREDMETHOD_SIGNATURE = "(Ljava/lang/String;[Ljava/lang/Class;)Ljava/lang/reflect/Method;".toCharArray(); //$NON-NLS-1$
public static final char[] GetMessage = "getMessage".toCharArray(); //$NON-NLS-1$
public static final char[] GetMessageSignature = "()Ljava/lang/String;".toCharArray(); //$NON-NLS-1$
public static final char[] HasNext = "hasNext".toCharArray();//$NON-NLS-1$
public static final char[] HasNextSignature = "()Z".toCharArray();//$NON-NLS-1$
public static final char[] Init = "".toCharArray(); //$NON-NLS-1$
public static final char[] IntConstrSignature = "(I)V".toCharArray(); //$NON-NLS-1$
public static final char[] ITERATOR_NAME = "iterator".toCharArray(); //$NON-NLS-1$
public static final char[] ITERATOR_SIGNATURE = "()Ljava/util/Iterator;".toCharArray(); //$NON-NLS-1$
public static final char[] Intern = "intern".toCharArray(); //$NON-NLS-1$
public static final char[] InternSignature = GetMessageSignature;
public static final char[] IntIntegerSignature = "(I)Ljava/lang/Integer;".toCharArray(); //$NON-NLS-1$
public static final char[] INTVALUE_INTEGER_METHOD_NAME = "intValue".toCharArray(); //$NON-NLS-1$
public static final char[] INTVALUE_INTEGER_METHOD_SIGNATURE = "()I".toCharArray(); //$NON-NLS-1$
public static final char[] INVOKE_METHOD_METHOD_NAME = "invoke".toCharArray(); //$NON-NLS-1$
public static final char[] INVOKE_METHOD_METHOD_SIGNATURE = "(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;".toCharArray(); //$NON-NLS-1$
public static final char[][] JAVA_LANG_REFLECT_ACCESSIBLEOBJECT = new char[][] {TypeConstants.JAVA, TypeConstants.LANG, TypeConstants.REFLECT, "AccessibleObject".toCharArray()}; //$NON-NLS-1$
public static final char[][] JAVA_LANG_REFLECT_ARRAY = new char[][] {TypeConstants.JAVA, TypeConstants.LANG, TypeConstants.REFLECT, "Array".toCharArray()}; //$NON-NLS-1$
// predefined type constant names
public static final char[] JavaIoPrintStreamSignature = "Ljava/io/PrintStream;".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangAssertionErrorConstantPoolName = "java/lang/AssertionError".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangBooleanConstantPoolName = "java/lang/Boolean".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangByteConstantPoolName = "java/lang/Byte".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangCharacterConstantPoolName = "java/lang/Character".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangClassConstantPoolName = "java/lang/Class".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangClassNotFoundExceptionConstantPoolName = "java/lang/ClassNotFoundException".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangClassSignature = "Ljava/lang/Class;".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangDoubleConstantPoolName = "java/lang/Double".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangEnumConstantPoolName = "java/lang/Enum".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangErrorConstantPoolName = "java/lang/Error".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangExceptionConstantPoolName = "java/lang/Exception".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangFloatConstantPoolName = "java/lang/Float".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangIntegerConstantPoolName = "java/lang/Integer".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangLongConstantPoolName = "java/lang/Long".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangNoClassDefFoundErrorConstantPoolName = "java/lang/NoClassDefFoundError".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangNoSuchFieldErrorConstantPoolName = "java/lang/NoSuchFieldError".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangObjectConstantPoolName = "java/lang/Object".toCharArray(); //$NON-NLS-1$
public static final char[] JAVALANGREFLECTACCESSIBLEOBJECT_CONSTANTPOOLNAME = "java/lang/reflect/AccessibleObject".toCharArray(); //$NON-NLS-1$
public static final char[] JAVALANGREFLECTARRAY_CONSTANTPOOLNAME = "java/lang/reflect/Array".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangReflectConstructorConstantPoolName = "java/lang/reflect/Constructor".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangReflectConstructorNewInstanceSignature = "([Ljava/lang/Object;)Ljava/lang/Object;".toCharArray(); //$NON-NLS-1$
public static final char[] JAVALANGREFLECTFIELD_CONSTANTPOOLNAME = "java/lang/reflect/Field".toCharArray(); //$NON-NLS-1$
public static final char[] JAVALANGREFLECTMETHOD_CONSTANTPOOLNAME = "java/lang/reflect/Method".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangShortConstantPoolName = "java/lang/Short".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangStringBufferConstantPoolName = "java/lang/StringBuffer".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangStringBuilderConstantPoolName = "java/lang/StringBuilder".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangStringConstantPoolName = "java/lang/String".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangStringSignature = "Ljava/lang/String;".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangObjectSignature = "Ljava/lang/Object;".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangSystemConstantPoolName = "java/lang/System".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangThrowableConstantPoolName = "java/lang/Throwable".toCharArray(); //$NON-NLS-1$
public static final char[] JavaLangVoidConstantPoolName = "java/lang/Void".toCharArray(); //$NON-NLS-1$
public static final char[] JavaUtilIteratorConstantPoolName = "java/util/Iterator".toCharArray(); //$NON-NLS-1$
public static final char[] LongConstrSignature = "(J)V".toCharArray(); //$NON-NLS-1$
public static final char[] longLongSignature = "(J)Ljava/lang/Long;".toCharArray(); //$NON-NLS-1$
public static final char[] LONGVALUE_LONG_METHOD_NAME = "longValue".toCharArray(); //$NON-NLS-1$
public static final char[] LONGVALUE_LONG_METHOD_SIGNATURE = "()J".toCharArray(); //$NON-NLS-1$
public static final char[] NewInstance = "newInstance".toCharArray(); //$NON-NLS-1$
public static final char[] NewInstanceSignature = "(Ljava/lang/Class;[I)Ljava/lang/Object;".toCharArray(); //$NON-NLS-1$
public static final char[] Next = "next".toCharArray();//$NON-NLS-1$
public static final char[] NextSignature = "()Ljava/lang/Object;".toCharArray();//$NON-NLS-1$
public static final char[] ObjectConstrSignature = "(Ljava/lang/Object;)V".toCharArray(); //$NON-NLS-1$
public static final char[] ObjectSignature = "Ljava/lang/Object;".toCharArray(); //$NON-NLS-1$
public static final char[] Ordinal = "ordinal".toCharArray(); //$NON-NLS-1$
public static final char[] OrdinalSignature = "()I".toCharArray(); //$NON-NLS-1$
public static final char[] Out = "out".toCharArray(); //$NON-NLS-1$
public static final char[] SET_BOOLEAN_METHOD_NAME = "setBoolean".toCharArray(); //$NON-NLS-1$
public static final char[] SET_BOOLEAN_METHOD_SIGNATURE = "(Ljava/lang/Object;Z)V".toCharArray(); //$NON-NLS-1$
public static final char[] SET_BYTE_METHOD_NAME = "setByte".toCharArray(); //$NON-NLS-1$
public static final char[] SET_BYTE_METHOD_SIGNATURE = "(Ljava/lang/Object;B)V".toCharArray(); //$NON-NLS-1$
public static final char[] SET_CHAR_METHOD_NAME = "setChar".toCharArray(); //$NON-NLS-1$
public static final char[] SET_CHAR_METHOD_SIGNATURE = "(Ljava/lang/Object;C)V".toCharArray(); //$NON-NLS-1$
public static final char[] SET_DOUBLE_METHOD_NAME = "setDouble".toCharArray(); //$NON-NLS-1$
public static final char[] SET_DOUBLE_METHOD_SIGNATURE = "(Ljava/lang/Object;D)V".toCharArray(); //$NON-NLS-1$
public static final char[] SET_FLOAT_METHOD_NAME = "setFloat".toCharArray(); //$NON-NLS-1$
public static final char[] SET_FLOAT_METHOD_SIGNATURE = "(Ljava/lang/Object;F)V".toCharArray(); //$NON-NLS-1$
public static final char[] SET_INT_METHOD_NAME = "setInt".toCharArray(); //$NON-NLS-1$
public static final char[] SET_INT_METHOD_SIGNATURE = "(Ljava/lang/Object;I)V".toCharArray(); //$NON-NLS-1$
public static final char[] SET_LONG_METHOD_NAME = "setLong".toCharArray(); //$NON-NLS-1$
public static final char[] SET_LONG_METHOD_SIGNATURE = "(Ljava/lang/Object;J)V".toCharArray(); //$NON-NLS-1$
public static final char[] SET_OBJECT_METHOD_NAME = "set".toCharArray(); //$NON-NLS-1$
public static final char[] SET_OBJECT_METHOD_SIGNATURE = "(Ljava/lang/Object;Ljava/lang/Object;)V".toCharArray(); //$NON-NLS-1$
public static final char[] SET_SHORT_METHOD_NAME = "setShort".toCharArray(); //$NON-NLS-1$
public static final char[] SET_SHORT_METHOD_SIGNATURE = "(Ljava/lang/Object;S)V".toCharArray(); //$NON-NLS-1$
public static final char[] SETACCESSIBLE_NAME = "setAccessible".toCharArray(); //$NON-NLS-1$
public static final char[] SETACCESSIBLE_SIGNATURE = "(Z)V".toCharArray(); //$NON-NLS-1$
public static final char[] ShortConstrSignature = "(S)V".toCharArray(); //$NON-NLS-1$
public static final char[] shortShortSignature = "(S)Ljava/lang/Short;".toCharArray(); //$NON-NLS-1$
public static final char[] SHORTVALUE_SHORT_METHOD_NAME = "shortValue".toCharArray(); //$NON-NLS-1$
public static final char[] SHORTVALUE_SHORT_METHOD_SIGNATURE = "()S".toCharArray(); //$NON-NLS-1$
public static final char[] StringBufferAppendBooleanSignature = "(Z)Ljava/lang/StringBuffer;".toCharArray(); //$NON-NLS-1$
public static final char[] StringBufferAppendCharSignature = "(C)Ljava/lang/StringBuffer;".toCharArray(); //$NON-NLS-1$
public static final char[] StringBufferAppendDoubleSignature = "(D)Ljava/lang/StringBuffer;".toCharArray(); //$NON-NLS-1$
public static final char[] StringBufferAppendFloatSignature = "(F)Ljava/lang/StringBuffer;".toCharArray(); //$NON-NLS-1$
public static final char[] StringBufferAppendIntSignature = "(I)Ljava/lang/StringBuffer;".toCharArray(); //$NON-NLS-1$
public static final char[] StringBufferAppendLongSignature = "(J)Ljava/lang/StringBuffer;".toCharArray(); //$NON-NLS-1$
public static final char[] StringBufferAppendObjectSignature = "(Ljava/lang/Object;)Ljava/lang/StringBuffer;".toCharArray(); //$NON-NLS-1$
public static final char[] StringBufferAppendStringSignature = "(Ljava/lang/String;)Ljava/lang/StringBuffer;".toCharArray(); //$NON-NLS-1$
public static final char[] StringBuilderAppendBooleanSignature = "(Z)Ljava/lang/StringBuilder;".toCharArray(); //$NON-NLS-1$
public static final char[] StringBuilderAppendCharSignature = "(C)Ljava/lang/StringBuilder;".toCharArray(); //$NON-NLS-1$
public static final char[] StringBuilderAppendDoubleSignature = "(D)Ljava/lang/StringBuilder;".toCharArray(); //$NON-NLS-1$
public static final char[] StringBuilderAppendFloatSignature = "(F)Ljava/lang/StringBuilder;".toCharArray(); //$NON-NLS-1$
public static final char[] StringBuilderAppendIntSignature = "(I)Ljava/lang/StringBuilder;".toCharArray(); //$NON-NLS-1$
public static final char[] StringBuilderAppendLongSignature = "(J)Ljava/lang/StringBuilder;".toCharArray(); //$NON-NLS-1$
public static final char[] StringBuilderAppendObjectSignature = "(Ljava/lang/Object;)Ljava/lang/StringBuilder;".toCharArray(); //$NON-NLS-1$
public static final char[] StringBuilderAppendStringSignature = "(Ljava/lang/String;)Ljava/lang/StringBuilder;".toCharArray(); //$NON-NLS-1$
public static final char[] StringConstructorSignature = "(Ljava/lang/String;)V".toCharArray(); //$NON-NLS-1$
public static final char[] This = "this".toCharArray(); //$NON-NLS-1$
public static final char[] ToString = "toString".toCharArray(); //$NON-NLS-1$
public static final char[] ToStringSignature = GetMessageSignature;
public static final char[] TYPE = "TYPE".toCharArray(); //$NON-NLS-1$
public static final char[] ValueOf = "valueOf".toCharArray(); //$NON-NLS-1$
public static final char[] ValueOfBooleanSignature = "(Z)Ljava/lang/String;".toCharArray(); //$NON-NLS-1$
public static final char[] ValueOfCharSignature = "(C)Ljava/lang/String;".toCharArray(); //$NON-NLS-1$
public static final char[] ValueOfDoubleSignature = "(D)Ljava/lang/String;".toCharArray(); //$NON-NLS-1$
public static final char[] ValueOfFloatSignature = "(F)Ljava/lang/String;".toCharArray(); //$NON-NLS-1$
public static final char[] ValueOfIntSignature = "(I)Ljava/lang/String;".toCharArray(); //$NON-NLS-1$
public static final char[] ValueOfLongSignature = "(J)Ljava/lang/String;".toCharArray(); //$NON-NLS-1$
public static final char[] ValueOfObjectSignature = "(Ljava/lang/Object;)Ljava/lang/String;".toCharArray(); //$NON-NLS-1$
public static final char[] ValueOfStringClassSignature = "(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Enum;".toCharArray(); //$NON-NLS-1$
public static final char[] JAVA_LANG_ANNOTATION_DOCUMENTED = "Ljava/lang/annotation/Documented;".toCharArray(); //$NON-NLS-1$
public static final char[] JAVA_LANG_ANNOTATION_ELEMENTTYPE = "Ljava/lang/annotation/ElementType;".toCharArray(); //$NON-NLS-1$
public static final char[] JAVA_LANG_ANNOTATION_RETENTION = "Ljava/lang/annotation/Retention;".toCharArray(); //$NON-NLS-1$
public static final char[] JAVA_LANG_ANNOTATION_RETENTIONPOLICY = "Ljava/lang/annotation/RetentionPolicy;".toCharArray(); //$NON-NLS-1$
public static final char[] JAVA_LANG_ANNOTATION_TARGET = "Ljava/lang/annotation/Target;".toCharArray(); //$NON-NLS-1$
public static final char[] JAVA_LANG_DEPRECATED = "Ljava/lang/Deprecated;".toCharArray(); //$NON-NLS-1$
public static final char[] JAVA_LANG_ANNOTATION_INHERITED = "Ljava/lang/annotation/Inherited;".toCharArray(); //$NON-NLS-1$
/**
* ConstantPool constructor comment.
*/
public ConstantPool(ClassFile classFile) {
this.UTF8Cache = new CharArrayCache(UTF8_INITIAL_SIZE);
this.stringCache = new CharArrayCache(STRING_INITIAL_SIZE);
this.methodsAndFieldsCache = new HashtableOfObject(METHODS_AND_FIELDS_INITIAL_SIZE);
this.classCache = new CharArrayCache(CLASS_INITIAL_SIZE);
this.nameAndTypeCacheForFieldsAndMethods = new HashtableOfObject(NAMEANDTYPE_INITIAL_SIZE);
this.offsets = new int[5];
initialize(classFile);
}
public void initialize(ClassFile givenClassFile) {
this.poolContent = givenClassFile.header;
this.currentOffset = givenClassFile.headerOffset;
// currentOffset is initialized to 0 by default
this.currentIndex = 1;
this.classFile = givenClassFile;
}
/**
* Return the content of the receiver
*/
public byte[] dumpBytes() {
System.arraycopy(this.poolContent, 0, (this.poolContent = new byte[this.currentOffset]), 0, this.currentOffset);
return this.poolContent;
}
public int literalIndex(byte[] utf8encoding, char[] stringCharArray) {
int index;
if ((index = this.UTF8Cache.putIfAbsent(stringCharArray, this.currentIndex)) < 0) {
// The entry doesn't exit yet
if ((index = -index)> 0xFFFF) {
this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType());
}
this.currentIndex++;
// Write the tag first
int length = this.offsets.length;
if (length <= index) {
// resize
System.arraycopy(this.offsets, 0, (this.offsets = new int[index * 2]), 0, length);
}
this.offsets[index] = this.currentOffset;
writeU1(Utf8Tag);
int utf8encodingLength = utf8encoding.length;
if (this.currentOffset + 2 + utf8encodingLength >= this.poolContent.length) {
// we need to resize the poolContent array because we won't have
// enough space to write the length
resizePoolContents(2 + utf8encodingLength);
}
this.poolContent[this.currentOffset++] = (byte) (utf8encodingLength >> 8);
this.poolContent[this.currentOffset++] = (byte) utf8encodingLength;
// add in once the whole byte array
System.arraycopy(utf8encoding, 0, this.poolContent, this.currentOffset, utf8encodingLength);
this.currentOffset += utf8encodingLength;
}
return index;
}
public int literalIndex(TypeBinding binding) {
TypeBinding typeBinding = binding.leafComponentType();
if ((typeBinding.tagBits & TagBits.ContainsNestedTypeReferences) != 0) {
Util.recordNestedType(this.classFile, typeBinding);
}
return literalIndex(binding.signature());
}
/**
* This method returns the index into the constantPool corresponding to the type descriptor.
*
* @param utf8Constant char[]
* @return int
*/
public int literalIndex(char[] utf8Constant) {
int index;
if ((index = this.UTF8Cache.putIfAbsent(utf8Constant, this.currentIndex)) < 0) {
if ((index = -index)> 0xFFFF) {
this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType());
}
// The entry doesn't exit yet
// Write the tag first
int length = this.offsets.length;
if (length <= index) {
// resize
System.arraycopy(this.offsets, 0, (this.offsets = new int[index * 2]), 0, length);
}
this.offsets[index] = this.currentOffset;
writeU1(Utf8Tag);
// Then the size of the stringName array
int savedCurrentOffset = this.currentOffset;
if (this.currentOffset + 2 >= this.poolContent.length) {
// we need to resize the poolContent array because we won't have
// enough space to write the length
resizePoolContents(2);
}
this.currentOffset += 2;
length = 0;
for (int i = 0; i < utf8Constant.length; i++) {
char current = utf8Constant[i];
if ((current >= 0x0001) && (current <= 0x007F)) {
// we only need one byte: ASCII table
writeU1(current);
length++;
} else {
if (current > 0x07FF) {
// we need 3 bytes
length += 3;
writeU1(0xE0 | ((current >> 12) & 0x0F)); // 0xE0 = 1110 0000
writeU1(0x80 | ((current >> 6) & 0x3F)); // 0x80 = 1000 0000
writeU1(0x80 | (current & 0x3F)); // 0x80 = 1000 0000
} else {
// we can be 0 or between 0x0080 and 0x07FF
// In that case we only need 2 bytes
length += 2;
writeU1(0xC0 | ((current >> 6) & 0x1F)); // 0xC0 = 1100 0000
writeU1(0x80 | (current & 0x3F)); // 0x80 = 1000 0000
}
}
}
if (length >= 65535) {
this.currentOffset = savedCurrentOffset - 1;
this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceForConstant(this.classFile.referenceBinding.scope.referenceType());
}
if (index > 0xFFFF){
this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType());
}
this.currentIndex++;
// Now we know the length that we have to write in the constant pool
// we use savedCurrentOffset to do that
this.poolContent[savedCurrentOffset] = (byte) (length >> 8);
this.poolContent[savedCurrentOffset + 1] = (byte) length;
}
return index;
}
public int literalIndex(char[] stringCharArray, byte[] utf8encoding) {
int index;
if ((index = this.stringCache.putIfAbsent(stringCharArray, this.currentIndex)) < 0) {
// The entry doesn't exit yet
this.currentIndex++;
if ((index = -index) > 0xFFFF){
this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType());
}
// Write the tag first
int length = this.offsets.length;
if (length <= index) {
// resize
System.arraycopy(this.offsets, 0, (this.offsets = new int[index * 2]), 0, length);
}
this.offsets[index] = this.currentOffset;
writeU1(StringTag);
// Then the string index
int stringIndexOffset = this.currentOffset;
if (this.currentOffset + 2 >= this.poolContent.length) {
resizePoolContents(2);
}
this.currentOffset+=2;
final int stringIndex = literalIndex(utf8encoding, stringCharArray);
this.poolContent[stringIndexOffset++] = (byte) (stringIndex >> 8);
this.poolContent[stringIndexOffset] = (byte) stringIndex;
}
return index;
}
/**
* This method returns the index into the constantPool corresponding to the double
* value. If the double is not already present into the pool, it is added. The
* double cache is updated and it returns the right index.
*
* @param key double
* @return int
*/
public int literalIndex(double key) {
//Retrieve the index from the cache
// The double constant takes two indexes into the constant pool, but we only store
// the first index into the long table
int index;
// lazy initialization for base type caches
// If it is null, initialize it, otherwise use it
if (this.doubleCache == null) {
this.doubleCache = new DoubleCache(DOUBLE_INITIAL_SIZE);
}
if ((index = this.doubleCache.putIfAbsent(key, this.currentIndex)) < 0) {
if ((index = -index)> 0xFFFF){
this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType());
}
this.currentIndex += 2; // a double needs an extra place into the constant pool
// Write the double into the constant pool
// First add the tag
int length = this.offsets.length;
if (length <= index) {
// resize
System.arraycopy(this.offsets, 0, (this.offsets = new int[index * 2]), 0, length);
}
this.offsets[index] = this.currentOffset;
writeU1(DoubleTag);
// Then add the 8 bytes representing the double
long temp = java.lang.Double.doubleToLongBits(key);
length = this.poolContent.length;
if (this.currentOffset + 8 >= length) {
resizePoolContents(8);
}
this.poolContent[this.currentOffset++] = (byte) (temp >>> 56);
this.poolContent[this.currentOffset++] = (byte) (temp >>> 48);
this.poolContent[this.currentOffset++] = (byte) (temp >>> 40);
this.poolContent[this.currentOffset++] = (byte) (temp >>> 32);
this.poolContent[this.currentOffset++] = (byte) (temp >>> 24);
this.poolContent[this.currentOffset++] = (byte) (temp >>> 16);
this.poolContent[this.currentOffset++] = (byte) (temp >>> 8);
this.poolContent[this.currentOffset++] = (byte) temp;
}
return index;
}
/**
* This method returns the index into the constantPool corresponding to the float
* value. If the float is not already present into the pool, it is added. The
* int cache is updated and it returns the right index.
*
* @param key float
* @return int
*/
public int literalIndex(float key) {
//Retrieve the index from the cache
int index;
// lazy initialization for base type caches
// If it is null, initialize it, otherwise use it
if (this.floatCache == null) {
this.floatCache = new FloatCache(FLOAT_INITIAL_SIZE);
}
if ((index = this.floatCache.putIfAbsent(key, this.currentIndex)) < 0) {
if ((index = -index) > 0xFFFF){
this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType());
}
this.currentIndex++;
// Write the float constant entry into the constant pool
// First add the tag
int length = this.offsets.length;
if (length <= index) {
// resize
System.arraycopy(this.offsets, 0, (this.offsets = new int[index * 2]), 0, length);
}
this.offsets[index] = this.currentOffset;
writeU1(FloatTag);
// Then add the 4 bytes representing the float
int temp = java.lang.Float.floatToIntBits(key);
if (this.currentOffset + 4 >= this.poolContent.length) {
resizePoolContents(4);
}
this.poolContent[this.currentOffset++] = (byte) (temp >>> 24);
this.poolContent[this.currentOffset++] = (byte) (temp >>> 16);
this.poolContent[this.currentOffset++] = (byte) (temp >>> 8);
this.poolContent[this.currentOffset++] = (byte) temp;
}
return index;
}
/**
* This method returns the index into the constantPool corresponding to the int
* value. If the int is not already present into the pool, it is added. The
* int cache is updated and it returns the right index.
*
* @param key int
* @return int
*/
public int literalIndex(int key) {
//Retrieve the index from the cache
int index;
// lazy initialization for base type caches
// If it is null, initialize it, otherwise use it
if (this.intCache == null) {
this.intCache = new IntegerCache(INT_INITIAL_SIZE);
}
if ((index = this.intCache.putIfAbsent(key, this.currentIndex)) < 0) {
this.currentIndex++;
if ((index = -index) > 0xFFFF){
this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType());
}
// Write the integer constant entry into the constant pool
// First add the tag
int length = this.offsets.length;
if (length <= index) {
// resize
System.arraycopy(this.offsets, 0, (this.offsets = new int[index * 2]), 0, length);
}
this.offsets[index] = this.currentOffset;
writeU1(IntegerTag);
// Then add the 4 bytes representing the int
if (this.currentOffset + 4 >= this.poolContent.length) {
resizePoolContents(4);
}
this.poolContent[this.currentOffset++] = (byte) (key >>> 24);
this.poolContent[this.currentOffset++] = (byte) (key >>> 16);
this.poolContent[this.currentOffset++] = (byte) (key >>> 8);
this.poolContent[this.currentOffset++] = (byte) key;
}
return index;
}
/**
* This method returns the index into the constantPool corresponding to the long
* value. If the long is not already present into the pool, it is added. The
* long cache is updated and it returns the right index.
*
* @param key long
* @return int
*/
public int literalIndex(long key) {
// Retrieve the index from the cache
// The long constant takes two indexes into the constant pool, but we only store
// the first index into the long table
int index;
// lazy initialization for base type caches
// If it is null, initialize it, otherwise use it
if (this.longCache == null) {
this.longCache = new LongCache(LONG_INITIAL_SIZE);
}
if ((index = this.longCache.putIfAbsent(key, this.currentIndex)) < 0) {
if ((index = -index) > 0xFFFF){
this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType());
}
this.currentIndex+= 2; // long value need an extra place into thwe constant pool
// Write the long into the constant pool
// First add the tag
int length = this.offsets.length;
if (length <= index) {
// resize
System.arraycopy(this.offsets, 0, (this.offsets = new int[index * 2]), 0, length);
}
this.offsets[index] = this.currentOffset;
writeU1(LongTag);
// Then add the 8 bytes representing the long
if (this.currentOffset + 8 >= this.poolContent.length) {
resizePoolContents(8);
}
this.poolContent[this.currentOffset++] = (byte) (key >>> 56);
this.poolContent[this.currentOffset++] = (byte) (key >>> 48);
this.poolContent[this.currentOffset++] = (byte) (key >>> 40);
this.poolContent[this.currentOffset++] = (byte) (key >>> 32);
this.poolContent[this.currentOffset++] = (byte) (key >>> 24);
this.poolContent[this.currentOffset++] = (byte) (key >>> 16);
this.poolContent[this.currentOffset++] = (byte) (key >>> 8);
this.poolContent[this.currentOffset++] = (byte) key;
}
return index;
}
/**
* This method returns the index into the constantPool corresponding to the type descriptor.
*
* @param stringConstant java.lang.String
* @return int
*/
public int literalIndex(String stringConstant) {
int index;
char[] stringCharArray = stringConstant.toCharArray();
if ((index = this.stringCache.putIfAbsent(stringCharArray, this.currentIndex)) < 0) {
// The entry doesn't exit yet
this.currentIndex++;
if ((index = -index)> 0xFFFF){
this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType());
}
// Write the tag first
int length = this.offsets.length;
if (length <= index) {
// resize
System.arraycopy(this.offsets, 0, (this.offsets = new int[index * 2]), 0, length);
}
this.offsets[index] = this.currentOffset;
writeU1(StringTag);
// Then the string index
int stringIndexOffset = this.currentOffset;
if (this.currentOffset + 2 >= this.poolContent.length) {
resizePoolContents(2);
}
this.currentOffset+=2;
final int stringIndex = literalIndex(stringCharArray);
this.poolContent[stringIndexOffset++] = (byte) (stringIndex >> 8);
this.poolContent[stringIndexOffset] = (byte) stringIndex;
}
return index;
}
public int literalIndexForType(final char[] constantPoolName) {
int index;
if ((index = this.classCache.putIfAbsent(constantPoolName, this.currentIndex)) < 0) {
// The entry doesn't exit yet
this.currentIndex++;
if ((index = -index) > 0xFFFF){
this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType());
}
int length = this.offsets.length;
if (length <= index) {
// resize
System.arraycopy(this.offsets, 0, (this.offsets = new int[index * 2]), 0, length);
}
this.offsets[index] = this.currentOffset;
writeU1(ClassTag);
// Then the name index
int nameIndexOffset = this.currentOffset;
if (this.currentOffset + 2 >= this.poolContent.length) {
resizePoolContents(2);
}
this.currentOffset+=2;
final int nameIndex = literalIndex(constantPoolName);
this.poolContent[nameIndexOffset++] = (byte) (nameIndex >> 8);
this.poolContent[nameIndexOffset] = (byte) nameIndex;
}
return index;
}
/*
* This method returns the index into the constantPool corresponding to the type descriptor
* corresponding to a type constant pool name
* binding must not be an array type.
*/
public int literalIndexForType(final TypeBinding binding) {
TypeBinding typeBinding = binding.leafComponentType();
if ((typeBinding.tagBits & TagBits.ContainsNestedTypeReferences) != 0) {
Util.recordNestedType(this.classFile, typeBinding);
}
return this.literalIndexForType(binding.constantPoolName());
}
public int literalIndexForMethod(char[] declaringClass, char[] selector, char[] signature, boolean isInterface) {
int index;
if ((index = putInCacheIfAbsent(declaringClass, selector, signature, this.currentIndex)) < 0) {
// it doesn't exist yet
this.currentIndex++;
if ((index = -index) > 0xFFFF){
this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType());
}
// Write the interface method ref constant into the constant pool
// First add the tag
int length = this.offsets.length;
if (length <= index) {
// resize
System.arraycopy(this.offsets, 0, (this.offsets = new int[index * 2]), 0, length);
}
this.offsets[index] = this.currentOffset;
writeU1(isInterface ? InterfaceMethodRefTag : MethodRefTag);
int classIndexOffset = this.currentOffset;
if (this.currentOffset + 4 >= this.poolContent.length) {
resizePoolContents(4);
}
this.currentOffset+=4;
final int classIndex = literalIndexForType(declaringClass);
final int nameAndTypeIndex = literalIndexForNameAndType(selector, signature);
this.poolContent[classIndexOffset++] = (byte) (classIndex >> 8);
this.poolContent[classIndexOffset++] = (byte) classIndex;
this.poolContent[classIndexOffset++] = (byte) (nameAndTypeIndex >> 8);
this.poolContent[classIndexOffset] = (byte) nameAndTypeIndex;
}
return index;
}
public int literalIndexForMethod(TypeBinding declaringClass, char[] selector, char[] signature, boolean isInterface) {
if ((declaringClass.tagBits & TagBits.ContainsNestedTypeReferences) != 0) {
Util.recordNestedType(this.classFile, declaringClass);
}
return this.literalIndexForMethod(declaringClass.constantPoolName(), selector, signature, isInterface);
}
public int literalIndexForNameAndType(char[] name, char[] signature) {
int index;
if ((index = putInNameAndTypeCacheIfAbsent(name, signature, this.currentIndex)) < 0) {
// The entry doesn't exit yet
this.currentIndex++;
if ((index = -index) > 0xFFFF){
this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType());
}
int length = this.offsets.length;
if (length <= index) {
// resize
System.arraycopy(this.offsets, 0, (this.offsets = new int[index * 2]), 0, length);
}
this.offsets[index] = this.currentOffset;
writeU1(NameAndTypeTag);
int nameIndexOffset = this.currentOffset;
if (this.currentOffset + 4 >= this.poolContent.length) {
resizePoolContents(4);
}
this.currentOffset+=4;
final int nameIndex = literalIndex(name);
final int typeIndex = literalIndex(signature);
this.poolContent[nameIndexOffset++] = (byte) (nameIndex >> 8);
this.poolContent[nameIndexOffset++] = (byte) nameIndex;
this.poolContent[nameIndexOffset++] = (byte) (typeIndex >> 8);
this.poolContent[nameIndexOffset] = (byte) typeIndex;
}
return index;
}
public int literalIndexForField(char[] declaringClass, char[] name, char[] signature) {
int index;
if ((index = putInCacheIfAbsent(declaringClass, name, signature, this.currentIndex)) < 0) {
this.currentIndex++;
// doesn't exist yet
if ((index = -index) > 0xFFFF){
this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType());
}
// Write the interface method ref constant into the constant pool
// First add the tag
int length = this.offsets.length;
if (length <= index) {
// resize
System.arraycopy(this.offsets, 0, (this.offsets = new int[index * 2]), 0, length);
}
this.offsets[index] = this.currentOffset;
writeU1(FieldRefTag);
int classIndexOffset = this.currentOffset;
if (this.currentOffset + 4 >= this.poolContent.length) {
resizePoolContents(4);
}
this.currentOffset+=4;
final int classIndex = literalIndexForType(declaringClass);
final int nameAndTypeIndex = literalIndexForNameAndType(name, signature);
this.poolContent[classIndexOffset++] = (byte) (classIndex >> 8);
this.poolContent[classIndexOffset++] = (byte) classIndex;
this.poolContent[classIndexOffset++] = (byte) (nameAndTypeIndex >> 8);
this.poolContent[classIndexOffset] = (byte) nameAndTypeIndex;
}
return index;
}
/**
* This method returns the index into the constantPool corresponding to the type descriptor.
*
* @param stringCharArray char[]
* @return int
*/
public int literalIndexForLdc(char[] stringCharArray) {
int savedCurrentIndex = this.currentIndex;
int savedCurrentOffset = this.currentOffset;
int index;
if ((index = this.stringCache.putIfAbsent(stringCharArray, this.currentIndex)) < 0) {
if ((index = -index)> 0xFFFF) {
this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType());
}
// The entry doesn't exit yet
this.currentIndex++;
// Write the tag first
int length = this.offsets.length;
if (length <= index) {
// resize
System.arraycopy(this.offsets, 0, (this.offsets = new int[index * 2]), 0, length);
}
this.offsets[index] = this.currentOffset;
writeU1(StringTag);
// Then the string index
int stringIndexOffset = this.currentOffset;
if (this.currentOffset + 2 >= this.poolContent.length) {
resizePoolContents(2);
}
this.currentOffset+=2;
int stringIndex;
if ((stringIndex = this.UTF8Cache.putIfAbsent(stringCharArray, this.currentIndex)) < 0) {
if ((stringIndex = -stringIndex)> 0xFFFF) {
this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType());
}
// The entry doesn't exit yet
this.currentIndex++;
// Write the tag first
length = this.offsets.length;
if (length <= stringIndex) {
// resize
System.arraycopy(this.offsets, 0, (this.offsets = new int[stringIndex * 2]), 0, length);
}
this.offsets[stringIndex] = this.currentOffset;
writeU1(Utf8Tag);
// Then the size of the stringName array
int lengthOffset = this.currentOffset;
if (this.currentOffset + 2 >= this.poolContent.length) {
// we need to resize the poolContent array because we won't have
// enough space to write the length
resizePoolContents(2);
}
this.currentOffset += 2;
length = 0;
for (int i = 0; i < stringCharArray.length; i++) {
char current = stringCharArray[i];
if ((current >= 0x0001) && (current <= 0x007F)) {
// we only need one byte: ASCII table
length++;
if (this.currentOffset + 1 >= this.poolContent.length) {
// we need to resize the poolContent array because we won't have
// enough space to write the length
resizePoolContents(1);
}
this.poolContent[this.currentOffset++] = (byte)(current);
} else
if (current > 0x07FF) {
// we need 3 bytes
length += 3;
if (this.currentOffset + 3 >= this.poolContent.length) {
// we need to resize the poolContent array because we won't have
// enough space to write the length
resizePoolContents(3);
}
this.poolContent[this.currentOffset++] = (byte) (0xE0 | ((current >> 12) & 0x0F)); // 0xE0 = 1110 0000
this.poolContent[this.currentOffset++] = (byte) (0x80 | ((current >> 6) & 0x3F)); // 0x80 = 1000 0000
this.poolContent[this.currentOffset++] = (byte) (0x80 | (current & 0x3F)); // 0x80 = 1000 0000
} else {
if (this.currentOffset + 2 >= this.poolContent.length) {
// we need to resize the poolContent array because we won't have
// enough space to write the length
resizePoolContents(2);
}
// we can be 0 or between 0x0080 and 0x07FF
// In that case we only need 2 bytes
length += 2;
this.poolContent[this.currentOffset++] = (byte) (0xC0 | ((current >> 6) & 0x1F)); // 0xC0 = 1100 0000
this.poolContent[this.currentOffset++] = (byte) (0x80 | (current & 0x3F)); // 0x80 = 1000 0000
}
}
if (length >= 65535) {
this.currentOffset = savedCurrentOffset;
this.currentIndex = savedCurrentIndex;
this.stringCache.remove(stringCharArray);
this.UTF8Cache.remove(stringCharArray);
return 0;
}
this.poolContent[lengthOffset++] = (byte) (length >> 8);
this.poolContent[lengthOffset] = (byte) length;
}
this.poolContent[stringIndexOffset++] = (byte) (stringIndex >> 8);
this.poolContent[stringIndexOffset] = (byte) stringIndex;
}
return index;
}
/**
* @param key1 the given name
* @param key2 the given signature
* @param value the given index
* @return the new index
*/
private int putInNameAndTypeCacheIfAbsent(final char[] key1, final char[] key2, int value) {
int index ;
Object key1Value = this.nameAndTypeCacheForFieldsAndMethods.get(key1);
if (key1Value == null) {
CachedIndexEntry cachedIndexEntry = new CachedIndexEntry(key2, value);
index = -value;
this.nameAndTypeCacheForFieldsAndMethods.put(key1, cachedIndexEntry);
} else if (key1Value instanceof CachedIndexEntry) {
// adding a second entry
CachedIndexEntry entry = (CachedIndexEntry) key1Value;
if (CharOperation.equals(key2, entry.signature)) {
index = entry.index;
} else {
CharArrayCache charArrayCache = new CharArrayCache();
charArrayCache.putIfAbsent(entry.signature, entry.index);
index = charArrayCache.putIfAbsent(key2, value);
this.nameAndTypeCacheForFieldsAndMethods.put(key1, charArrayCache);
}
} else {
CharArrayCache charArrayCache = (CharArrayCache) key1Value;
index = charArrayCache.putIfAbsent(key2, value);
}
return index;
}
/**
* @param key1 the given declaring class name
* @param key2 the given field name or method selector
* @param key3 the given signature
* @param value the new index
* @return the given index
*/
private int putInCacheIfAbsent(final char[] key1, final char[] key2, final char[] key3, int value) {
int index;
HashtableOfObject key1Value = (HashtableOfObject) this.methodsAndFieldsCache.get(key1);
if (key1Value == null) {
key1Value = new HashtableOfObject();
this.methodsAndFieldsCache.put(key1, key1Value);
CachedIndexEntry cachedIndexEntry = new CachedIndexEntry(key3, value);
index = -value;
key1Value.put(key2, cachedIndexEntry);
} else {
Object key2Value = key1Value.get(key2);
if (key2Value == null) {
CachedIndexEntry cachedIndexEntry = new CachedIndexEntry(key3, value);
index = -value;
key1Value.put(key2, cachedIndexEntry);
} else if (key2Value instanceof CachedIndexEntry) {
// adding a second entry
CachedIndexEntry entry = (CachedIndexEntry) key2Value;
if (CharOperation.equals(key3, entry.signature)) {
index = entry.index;
} else {
CharArrayCache charArrayCache = new CharArrayCache();
charArrayCache.putIfAbsent(entry.signature, entry.index);
index = charArrayCache.putIfAbsent(key3, value);
key1Value.put(key2, charArrayCache);
}
} else {
CharArrayCache charArrayCache = (CharArrayCache) key2Value;
index = charArrayCache.putIfAbsent(key3, value);
}
}
return index;
}
/**
* This method is used to clean the receiver in case of a clinit header is generated, but the
* clinit has no code.
* This implementation assumes that the clinit is the first method to be generated.
* @see org.eclipse.jdt.internal.compiler.ast.TypeDeclaration#addClinit()
*/
public void resetForClinit(int constantPoolIndex, int constantPoolOffset) {
this.currentIndex = constantPoolIndex;
this.currentOffset = constantPoolOffset;
if (this.UTF8Cache.get(AttributeNamesConstants.CodeName) >= constantPoolIndex) {
this.UTF8Cache.remove(AttributeNamesConstants.CodeName);
}
if (this.UTF8Cache.get(ConstantPool.ClinitSignature) >= constantPoolIndex) {
this.UTF8Cache.remove(ConstantPool.ClinitSignature);
}
if (this.UTF8Cache.get(ConstantPool.Clinit) >= constantPoolIndex) {
this.UTF8Cache.remove(ConstantPool.Clinit);
}
}
/**
* Resize the pool contents
*/
private final void resizePoolContents(int minimalSize) {
int length = this.poolContent.length;
int toAdd = length;
if (toAdd < minimalSize)
toAdd = minimalSize;
System.arraycopy(this.poolContent, 0, this.poolContent = new byte[length + toAdd], 0, length);
}
/**
* Write a unsigned byte into the byte array
*
* @param value int The value to write into the byte array
*/
protected final void writeU1(int value) {
if (this.currentOffset + 1 >= this.poolContent.length) {
resizePoolContents(1);
}
this.poolContent[this.currentOffset++] = (byte) value;
}
/**
* Write a unsigned byte into the byte array
*
* @param value int The value to write into the byte array
*/
protected final void writeU2(int value) {
if (this.currentOffset + 2 >= this.poolContent.length) {
resizePoolContents(2);
}
this.poolContent[this.currentOffset++] = (byte) (value >>> 8);
this.poolContent[this.currentOffset++] = (byte) value;
}
public void reset() {
if (this.doubleCache != null) this.doubleCache.clear();
if (this.floatCache != null) this.floatCache.clear();
if (this.intCache != null) this.intCache.clear();
if (this.longCache != null) this.longCache.clear();
this.UTF8Cache.clear();
this.stringCache.clear();
this.methodsAndFieldsCache.clear();
this.classCache.clear();
this.nameAndTypeCacheForFieldsAndMethods.clear();
this.currentIndex = 1;
this.currentOffset = 0;
}
public void resetForAttributeName(char[] attributeName, int constantPoolIndex, int constantPoolOffset) {
this.currentIndex = constantPoolIndex;
this.currentOffset = constantPoolOffset;
if (this.UTF8Cache.get(attributeName) >= constantPoolIndex) {
this.UTF8Cache.remove(attributeName);
}
}
}
