| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.internal.compiler.ClassFile; |
| import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; |
| import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; |
| import org.eclipse.jdt.internal.compiler.lookup.MethodBinding; |
| 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; |
| /** |
| * 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 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 = "<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[] Equals = "equals".toCharArray(); //$NON-NLS-1$ |
| public static final char[] EqualsSignature = "(Ljava/lang/Object;)Z".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 = "<init>".toCharArray(); //$NON-NLS-1$ |
| public static final char[] IntConstrSignature = "(I)V".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[][] JAVA_LANG_REFLECT_FIELD = new char[][] {TypeConstants.JAVA, TypeConstants.LANG, TypeConstants.REFLECT, "Field".toCharArray()}; //$NON-NLS-1$ |
| public static final char[][] JAVA_LANG_REFLECT_METHOD = new char[][] {TypeConstants.JAVA, TypeConstants.LANG, TypeConstants.REFLECT, "Method".toCharArray()}; //$NON-NLS-1$ |
| 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[] 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[] JavaLangIllegalArgumentExceptionConstantPoolName = "java/lang/IllegalArgumentException".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[] 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[] JavaLangReflectConstructor = "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[] 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[] Name = "name".toCharArray(); //$NON-NLS-1$ |
| public static final char[] NameSignature = "()Ljava/lang/String;".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[] 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[] 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/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.poolContent = classFile.header; |
| this.currentOffset = classFile.headerOffset; |
| // currentOffset is initialized to 0 by default |
| this.currentIndex = 1; |
| this.classFile = classFile; |
| } |
| /** |
| * Return the content of the receiver |
| */ |
| public byte[] dumpBytes() { |
| System.arraycopy(poolContent, 0, (poolContent = new byte[currentOffset]), 0, currentOffset); |
| return poolContent; |
| } |
| private int getFromCache(char[] declaringClass, char[] name, char[] signature) { |
| HashtableOfObject value = (HashtableOfObject) this.methodsAndFieldsCache.get(declaringClass); |
| if (value == null) { |
| return -1; |
| } |
| CharArrayCache value2 = (CharArrayCache) value.get(name); |
| if (value2 == null) { |
| return -1; |
| } |
| return value2.get(signature); |
| } |
| private int getFromNameAndTypeCache(char[] name, char[] signature) { |
| CharArrayCache value = (CharArrayCache) this.nameAndTypeCacheForFieldsAndMethods.get(name); |
| if (value == null) { |
| return -1; |
| } |
| return value.get(signature); |
| } |
| public int literalIndex(byte[] utf8encoding, char[] stringCharArray) { |
| int index; |
| if ((index = UTF8Cache.get(stringCharArray)) < 0) { |
| // The entry doesn't exit yet |
| index = UTF8Cache.put(stringCharArray, currentIndex); |
| if (index > 0xFFFF){ |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| currentIndex++; |
| // Write the tag first |
| writeU1(Utf8Tag); |
| // Then the size of the stringName array |
| //writeU2(utf8Constant.length); |
| int savedCurrentOffset = currentOffset; |
| int utf8encodingLength = utf8encoding.length; |
| if (currentOffset + 2 + utf8encodingLength >= poolContent.length) { |
| // we need to resize the poolContent array because we won't have |
| // enough space to write the length |
| resizePoolContents(2 + utf8encodingLength); |
| } |
| currentOffset += 2; |
| // add in once the whole byte array |
| System.arraycopy(utf8encoding, 0, poolContent, currentOffset, utf8encodingLength); |
| currentOffset += utf8encodingLength; |
| // Now we know the length that we have to write in the constant pool |
| // we use savedCurrentOffset to do that |
| poolContent[savedCurrentOffset] = (byte) (utf8encodingLength >> 8); |
| poolContent[savedCurrentOffset + 1] = (byte) utf8encodingLength; |
| } |
| return index; |
| } |
| /** |
| * This method returns the index into the constantPool corresponding to the type descriptor. |
| * |
| * @param utf8Constant char[] |
| * @return <CODE>int</CODE> |
| */ |
| public int literalIndex(char[] utf8Constant) { |
| int index; |
| if ((index = UTF8Cache.get(utf8Constant)) < 0) { |
| // The entry doesn't exit yet |
| // Write the tag first |
| writeU1(Utf8Tag); |
| // Then the size of the stringName array |
| int savedCurrentOffset = currentOffset; |
| if (currentOffset + 2 >= poolContent.length) { |
| // we need to resize the poolContent array because we won't have |
| // enough space to write the length |
| resizePoolContents(2); |
| } |
| currentOffset += 2; |
| int 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) { |
| currentOffset = savedCurrentOffset - 1; |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceForConstant(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| index = UTF8Cache.put(utf8Constant, currentIndex); |
| if (index > 0xFFFF){ |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| currentIndex++; |
| // Now we know the length that we have to write in the constant pool |
| // we use savedCurrentOffset to do that |
| poolContent[savedCurrentOffset] = (byte) (length >> 8); |
| poolContent[savedCurrentOffset + 1] = (byte) length; |
| } |
| return index; |
| } |
| public int literalIndex(char[] stringCharArray, byte[] utf8encoding) { |
| int index; |
| int stringIndex; |
| if ((index = stringCache.get(stringCharArray)) < 0) { |
| // The entry doesn't exit yet |
| stringIndex = literalIndex(utf8encoding, stringCharArray); |
| index = stringCache.put(stringCharArray, currentIndex++); |
| if (index > 0xFFFF){ |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| // Write the tag first |
| writeU1(StringTag); |
| // Then the string index |
| writeU2(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 <CODE>double</CODE> |
| * @return <CODE>int</CODE> |
| */ |
| 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 (doubleCache == null) { |
| doubleCache = new DoubleCache(DOUBLE_INITIAL_SIZE); |
| } |
| if ((index = doubleCache.get(key)) < 0) { |
| index = doubleCache.put(key, currentIndex++); |
| if (index > 0xFFFF){ |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| currentIndex++; // a double needs an extra place into the constant pool |
| // Write the double into the constant pool |
| // First add the tag |
| writeU1(DoubleTag); |
| // Then add the 8 bytes representing the double |
| long temp = java.lang.Double.doubleToLongBits(key); |
| int length = poolContent.length; |
| if (currentOffset + 8 >= length) { |
| resizePoolContents(8); |
| } |
| for (int i = 0; i < 8; i++) { |
| poolContent[currentOffset++] = (byte) (temp >>> (56 - (i << 3))); |
| } |
| } |
| 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 <CODE>float</CODE> |
| * @return <CODE>int</CODE> |
| */ |
| 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 (floatCache == null) { |
| floatCache = new FloatCache(FLOAT_INITIAL_SIZE); |
| } |
| if ((index = floatCache.get(key)) < 0) { |
| index = floatCache.put(key, currentIndex++); |
| if (index > 0xFFFF){ |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| // Write the float constant entry into the constant pool |
| // First add the tag |
| writeU1(FloatTag); |
| // Then add the 4 bytes representing the float |
| int temp = java.lang.Float.floatToIntBits(key); |
| if (currentOffset + 4 >= poolContent.length) { |
| resizePoolContents(4); |
| } |
| for (int i = 0; i < 4; i++) { |
| poolContent[currentOffset++] = (byte) (temp >>> (24 - i * 8)); |
| } |
| } |
| 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 <CODE>int</CODE> |
| * @return <CODE>int</CODE> |
| */ |
| 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 (intCache == null) { |
| intCache = new IntegerCache(INT_INITIAL_SIZE); |
| } |
| if ((index = intCache.get(key)) < 0) { |
| index = intCache.put(key, currentIndex++); |
| if (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 |
| writeU1(IntegerTag); |
| // Then add the 4 bytes representing the int |
| if (currentOffset + 4 >= poolContent.length) { |
| resizePoolContents(4); |
| } |
| for (int i = 0; i < 4; i++) { |
| poolContent[currentOffset++] = (byte) (key >>> (24 - i * 8)); |
| } |
| } |
| 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 <CODE>long</CODE> |
| * @return <CODE>int</CODE> |
| */ |
| 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 (longCache == null) { |
| longCache = new LongCache(LONG_INITIAL_SIZE); |
| } |
| if ((index = longCache.get(key)) < 0) { |
| index = longCache.put(key, currentIndex++); |
| if (index > 0xFFFF){ |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| currentIndex++; // long value need an extra place into thwe constant pool |
| // Write the long into the constant pool |
| // First add the tag |
| writeU1(LongTag); |
| // Then add the 8 bytes representing the long |
| if (currentOffset + 8 >= poolContent.length) { |
| resizePoolContents(8); |
| } |
| for (int i = 0; i < 8; i++) { |
| poolContent[currentOffset++] = (byte) (key >>> (56 - (i << 3))); |
| } |
| } |
| return index; |
| } |
| /** |
| * This method returns the index into the constantPool corresponding to the type descriptor. |
| * |
| * @param stringConstant java.lang.String |
| * @return <CODE>int</CODE> |
| */ |
| public int literalIndex(String stringConstant) { |
| int index; |
| char[] stringCharArray = stringConstant.toCharArray(); |
| if ((index = stringCache.get(stringCharArray)) < 0) { |
| // The entry doesn't exit yet |
| int stringIndex = literalIndex(stringCharArray); |
| index = stringCache.put(stringCharArray, currentIndex++); |
| if (index > 0xFFFF){ |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| // Write the tag first |
| writeU1(StringTag); |
| // Then the string index |
| writeU2(stringIndex); |
| } |
| return index; |
| } |
| /** |
| * This method returns the index into the constantPool |
| * corresponding to the field binding aFieldBinding. |
| * |
| * @param aFieldBinding FieldBinding |
| * @return <CODE>int</CODE> |
| */ |
| public int literalIndex(FieldBinding aFieldBinding) { |
| int index; |
| final char[] name = aFieldBinding.name; |
| final char[] signature = aFieldBinding.type.signature(); |
| final char[] declaringClassConstantPoolName = aFieldBinding.declaringClass.constantPoolName(); |
| if ((index = getFromCache(declaringClassConstantPoolName, name, signature)) < 0) { |
| // The entry doesn't exit yet |
| int classIndex = literalIndexForType(declaringClassConstantPoolName); |
| int nameAndTypeIndex = literalIndexForFields(literalIndex(name), literalIndex(signature), name, signature); |
| index = putInCache(declaringClassConstantPoolName, name, signature, currentIndex++); |
| if (index > 0xFFFF){ |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| writeU1(FieldRefTag); |
| writeU2(classIndex); |
| writeU2(nameAndTypeIndex); |
| } |
| return index; |
| } |
| /** |
| * This method returns the index into the constantPool corresponding to the |
| * method descriptor. It can be either an interface method reference constant |
| * or a method reference constant. |
| * Note: uses the method binding #constantPoolDeclaringClass which could be an array type |
| * for the array clone method (see UpdatedMethodDeclaration). |
| * @param aMethodBinding MethodBinding |
| * @return <CODE>int</CODE> |
| */ |
| public int literalIndex(MethodBinding aMethodBinding) { |
| int index; |
| final TypeBinding constantPoolDeclaringClass = aMethodBinding.constantPoolDeclaringClass(); |
| final char[] declaringClassConstantPoolName = constantPoolDeclaringClass.constantPoolName(); |
| final char[] selector = aMethodBinding.selector; |
| final char[] signature = aMethodBinding.signature(); |
| if ((index = getFromCache(declaringClassConstantPoolName, selector, signature)) < 0) { |
| int classIndex = literalIndexForType(constantPoolDeclaringClass.constantPoolName()); |
| int nameAndTypeIndex = literalIndexForMethods(literalIndex(selector), literalIndex(signature), selector, signature); |
| index = putInCache(declaringClassConstantPoolName, selector, signature, currentIndex++); |
| if (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 |
| writeU1(constantPoolDeclaringClass.isInterface() || constantPoolDeclaringClass.isAnnotationType() ? InterfaceMethodRefTag : MethodRefTag); |
| // Then write the class index |
| writeU2(classIndex); |
| // The write the nameAndType index |
| writeU2(nameAndTypeIndex); |
| } |
| return index; |
| } |
| /** |
| * This method returns the index into the constantPool corresponding to the type descriptor |
| * corresponding to a type constant pool name. |
| */ |
| public int literalIndexForType(final char[] constantPoolName) { |
| int index; |
| if ((index = classCache.get(constantPoolName)) < 0) { |
| // The entry doesn't exit yet |
| int nameIndex = literalIndex(constantPoolName); |
| index = classCache.put(constantPoolName, currentIndex++); |
| if (index > 0xFFFF){ |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| writeU1(ClassTag); |
| // Then add the 8 bytes representing the long |
| writeU2(nameIndex); |
| } |
| return index; |
| } |
| public int literalIndexForMethod(char[] declaringClass, char[] selector, char[] signature, boolean isInterface) { |
| int index = getFromCache(declaringClass, selector, signature); |
| if (index == -1) { |
| int classIndex; |
| if ((classIndex = classCache.get(declaringClass)) < 0) { |
| // The entry doesn't exit yet |
| int nameIndex = literalIndex(declaringClass); |
| classIndex = classCache.put(declaringClass, this.currentIndex++); |
| if (index > 0xFFFF){ |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| writeU1(ClassTag); |
| // Then add the 8 bytes representing the long |
| writeU2(nameIndex); |
| } |
| int nameAndTypeIndex = literalIndexForMethod(selector, signature); |
| index = putInCache(declaringClass, selector, signature, currentIndex++); |
| if (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 |
| writeU1(isInterface ? InterfaceMethodRefTag : MethodRefTag); |
| // Then write the class index |
| writeU2(classIndex); |
| // The write the nameAndType index |
| writeU2(nameAndTypeIndex); |
| } |
| return index; |
| } |
| private int literalIndexForField(char[] name, char[] signature) { |
| int index = getFromNameAndTypeCache(name, signature); |
| if (index == -1) { |
| // The entry doesn't exit yet |
| int nameIndex = literalIndex(name); |
| int typeIndex = literalIndex(signature); |
| index = putInNameAndTypeCache(name, signature, currentIndex++); |
| if (index > 0xFFFF){ |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| writeU1(NameAndTypeTag); |
| writeU2(nameIndex); |
| writeU2(typeIndex); |
| } |
| return index; |
| } |
| public int literalIndexForMethod(char[] selector, char[] signature) { |
| int index = getFromNameAndTypeCache(selector, signature); |
| if (index == -1) { |
| // The entry doesn't exit yet |
| int nameIndex = literalIndex(selector); |
| int typeIndex = literalIndex(signature); |
| index = putInNameAndTypeCache(selector, signature, currentIndex++); |
| if (index > 0xFFFF){ |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| writeU1(NameAndTypeTag); |
| writeU2(nameIndex); |
| writeU2(typeIndex); |
| } |
| return index; |
| } |
| public int literalIndexForField(char[] declaringClass, char[] name, char[] signature) { |
| int index = getFromCache(declaringClass, name, signature); |
| if (index == -1) { |
| int classIndex; |
| if ((classIndex = classCache.get(declaringClass)) < 0) { |
| // The entry doesn't exit yet |
| int nameIndex = literalIndex(declaringClass); |
| classIndex = classCache.put(declaringClass, this.currentIndex++); |
| if (index > 0xFFFF){ |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| writeU1(ClassTag); |
| // Then add the 8 bytes representing the long |
| writeU2(nameIndex); |
| } |
| int nameAndTypeIndex = literalIndexForField(name, signature); |
| index = putInCache(declaringClass, name, signature, currentIndex++); |
| if (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 |
| writeU1(FieldRefTag); |
| // Then write the class index |
| writeU2(classIndex); |
| // The write the nameAndType index |
| writeU2(nameAndTypeIndex); |
| } |
| return index; |
| } |
| /** |
| * This method returns the index into the constantPool corresponding |
| * nameAndType constant with nameIndex, typeIndex. |
| * |
| * @param nameIndex the given name index |
| * @param typeIndex the given type index |
| * @param name the given field name |
| * @param signature the given field signature |
| * @return the index into the constantPool corresponding |
| * nameAndType constant with nameIndex, typeInde |
| */ |
| private int literalIndexForFields(int nameIndex, int typeIndex, char[] name, char[] signature) { |
| int index; |
| if ((index = getFromNameAndTypeCache(name, signature)) == -1) { |
| // The entry doesn't exit yet |
| index = putInNameAndTypeCache(name, signature, currentIndex++); |
| if (index > 0xFFFF){ |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| writeU1(NameAndTypeTag); |
| writeU2(nameIndex); |
| writeU2(typeIndex); |
| } |
| return index; |
| } |
| /** |
| * This method returns the index into the constantPool corresponding to the type descriptor. |
| * |
| * @param stringCharArray char[] |
| * @return <CODE>int</CODE> |
| */ |
| public int literalIndexForLdc(char[] stringCharArray) { |
| int index; |
| if ((index = stringCache.get(stringCharArray)) < 0) { |
| int stringIndex; |
| // The entry doesn't exit yet |
| if ((stringIndex = UTF8Cache.get(stringCharArray)) < 0) { |
| // The entry doesn't exit yet |
| // Write the tag first |
| writeU1(Utf8Tag); |
| // Then the size of the stringName array |
| int savedCurrentOffset = currentOffset; |
| if (currentOffset + 2 >= poolContent.length) { |
| // we need to resize the poolContent array because we won't have |
| // enough space to write the length |
| resizePoolContents(2); |
| } |
| currentOffset += 2; |
| int 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 |
| 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) { |
| currentOffset = savedCurrentOffset - 1; |
| return -1; |
| } |
| stringIndex = UTF8Cache.put(stringCharArray, currentIndex++); |
| // Now we know the length that we have to write in the constant pool |
| // we use savedCurrentOffset to do that |
| if (length > 65535) { |
| return 0; |
| } |
| poolContent[savedCurrentOffset] = (byte) (length >> 8); |
| poolContent[savedCurrentOffset + 1] = (byte) length; |
| } |
| index = stringCache.put(stringCharArray, currentIndex++); |
| if (index > 0xFFFF){ |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| // Write the tag first |
| writeU1(StringTag); |
| // Then the string index |
| writeU2(stringIndex); |
| } |
| return index; |
| } |
| /** |
| * This method returns the index into the constantPool corresponding |
| * nameAndType constant with nameIndex, typeIndex. |
| * |
| * @param nameIndex the given name index |
| * @param typeIndex the given type index |
| * @param selector the given method selector |
| * @param signature the given method signature |
| * @return <CODE>int</CODE> |
| */ |
| public int literalIndexForMethods(int nameIndex, int typeIndex, char[] selector, char[] signature) { |
| int index; |
| if ((index = getFromNameAndTypeCache(selector, signature)) == -1) { |
| // The entry doesn't exit yet |
| index = putInNameAndTypeCache(selector, signature, currentIndex++); |
| if (index > 0xFFFF){ |
| this.classFile.referenceBinding.scope.problemReporter().noMoreAvailableSpaceInConstantPool(this.classFile.referenceBinding.scope.referenceType()); |
| } |
| writeU1(NameAndTypeTag); |
| writeU2(nameIndex); |
| writeU2(typeIndex); |
| } |
| return index; |
| } |
| private int putInNameAndTypeCache(final char[] key1, final char[] key2, int index) { |
| CharArrayCache value = (CharArrayCache) this.nameAndTypeCacheForFieldsAndMethods.get(key1); |
| if (value == null) { |
| CharArrayCache charArrayCache = new CharArrayCache(); |
| charArrayCache.put(key2, index); |
| this.nameAndTypeCacheForFieldsAndMethods.put(key1, charArrayCache); |
| } else { |
| value.put(key2, index); |
| } |
| return index; |
| } |
| /** |
| * @param key1 |
| * @param key2 |
| * @param key3 |
| * @param index |
| * @return the given index |
| */ |
| private int putInCache(final char[] key1, final char[] key2, final char[] key3, int index) { |
| HashtableOfObject value = (HashtableOfObject) this.methodsAndFieldsCache.get(key1); |
| if (value == null) { |
| value = new HashtableOfObject(); |
| this.methodsAndFieldsCache.put(key1, value); |
| CharArrayCache charArrayCache = new CharArrayCache(); |
| charArrayCache.put(key3, index); |
| value.put(key2, charArrayCache); |
| } else { |
| CharArrayCache charArrayCache = (CharArrayCache) value.get(key2); |
| if (charArrayCache == null) { |
| charArrayCache = new CharArrayCache(); |
| charArrayCache.put(key3, index); |
| value.put(key2, charArrayCache); |
| } else { |
| charArrayCache.put(key3, index); |
| } |
| } |
| 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) { |
| currentIndex = constantPoolIndex; |
| currentOffset = constantPoolOffset; |
| if (UTF8Cache.get(AttributeNamesConstants.CodeName) >= constantPoolIndex) { |
| UTF8Cache.remove(AttributeNamesConstants.CodeName); |
| } |
| if (UTF8Cache.get(ConstantPool.ClinitSignature) >= constantPoolIndex) { |
| UTF8Cache.remove(ConstantPool.ClinitSignature); |
| } |
| if (UTF8Cache.get(ConstantPool.Clinit) >= constantPoolIndex) { |
| UTF8Cache.remove(ConstantPool.Clinit); |
| } |
| } |
| |
| /** |
| * Resize the pool contents |
| */ |
| private final void resizePoolContents(int minimalSize) { |
| int length = poolContent.length; |
| int toAdd = length; |
| if (toAdd < minimalSize) |
| toAdd = minimalSize; |
| System.arraycopy(poolContent, 0, poolContent = new byte[length + toAdd], 0, length); |
| } |
| /** |
| * Write a unsigned byte into the byte array |
| * |
| * @param value <CODE>int</CODE> The value to write into the byte array |
| */ |
| protected final void writeU1(int value) { |
| if (currentOffset + 1 >= poolContent.length) { |
| resizePoolContents(1); |
| } |
| poolContent[currentOffset++] = (byte) value; |
| } |
| /** |
| * Write a unsigned byte into the byte array |
| * |
| * @param value <CODE>int</CODE> The value to write into the byte array |
| */ |
| protected final void writeU2(int value) { |
| if (currentOffset + 2 >= poolContent.length) { |
| resizePoolContents(2); |
| } |
| //first byte |
| poolContent[currentOffset++] = (byte) (value >> 8); |
| poolContent[currentOffset++] = (byte) value; |
| } |
| } |
