169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal/* 269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Javassist, a Java-bytecode translator toolkit. 369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Copyright (C) 1999-2007 Shigeru Chiba. All Rights Reserved. 469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * The contents of this file are subject to the Mozilla Public License Version 669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 1.1 (the "License"); you may not use this file except in compliance with 769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * the License. Alternatively, the contents of this file may be used under 869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * the terms of the GNU Lesser General Public License Version 2.1 or later. 969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 1069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Software distributed under the License is distributed on an "AS IS" basis, 1169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 1269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * for the specific language governing rights and limitations under the 1369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * License. 1469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 1569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 1669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigalpackage javassist; 1769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 1869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigalimport javassist.bytecode.*; 1969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigalimport javassist.compiler.Javac; 2069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigalimport javassist.compiler.SymbolTable; 2169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigalimport javassist.compiler.CompileError; 2269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigalimport javassist.compiler.ast.ASTree; 2369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigalimport javassist.compiler.ast.IntConst; 2469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigalimport javassist.compiler.ast.DoubleConst; 2569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigalimport javassist.compiler.ast.StringL; 2669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 2769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal/** 2869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * An instance of CtField represents a field. 2969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 3069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see CtClass#getDeclaredFields() 3169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 3269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigalpublic class CtField extends CtMember { 3369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal static final String javaLangString = "java.lang.String"; 3469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 3569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal protected FieldInfo fieldInfo; 3669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 3769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 3869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Creates a <code>CtField</code> object. 3969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * The created field must be added to a class 4069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * with <code>CtClass.addField()</code>. 4169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * An initial value of the field is specified 4269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * by a <code>CtField.Initializer</code> object. 4369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 4469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>If getter and setter methods are needed, 4569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * call <code>CtNewMethod.getter()</code> and 4669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>CtNewMethod.setter()</code>. 4769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 4869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param type field type 4969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param name field name 5069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param declaring the class to which the field will be added. 5169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 5269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see CtClass#addField(CtField) 5369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see CtNewMethod#getter(String,CtField) 5469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see CtNewMethod#setter(String,CtField) 5569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see CtField.Initializer 5669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 5769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public CtField(CtClass type, String name, CtClass declaring) 5869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException 5969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 6069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal this(Descriptor.of(type), name, declaring); 6169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 6269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 6369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 6469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Creates a copy of the given field. 6569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * The created field must be added to a class 6669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * with <code>CtClass.addField()</code>. 6769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * An initial value of the field is specified 6869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * by a <code>CtField.Initializer</code> object. 6969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 7069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>If getter and setter methods are needed, 7169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * call <code>CtNewMethod.getter()</code> and 7269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>CtNewMethod.setter()</code>. 7369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 7469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param src the original field 7569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param declaring the class to which the field will be added. 7669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see CtNewMethod#getter(String,CtField) 7769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see CtNewMethod#setter(String,CtField) 7869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see CtField.Initializer 7969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 8069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public CtField(CtField src, CtClass declaring) 8169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException 8269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 8369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal this(src.fieldInfo.getDescriptor(), src.fieldInfo.getName(), 8469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal declaring); 8569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal java.util.ListIterator iterator 8669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal = src.fieldInfo.getAttributes().listIterator(); 8769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal FieldInfo fi = fieldInfo; 8869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal fi.setAccessFlags(src.fieldInfo.getAccessFlags()); 8969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal ConstPool cp = fi.getConstPool(); 9069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal while (iterator.hasNext()) { 9169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal AttributeInfo ainfo = (AttributeInfo)iterator.next(); 9269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal fi.addAttribute(ainfo.copy(cp, null)); 9369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 9469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 9569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 9669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal private CtField(String typeDesc, String name, CtClass clazz) 9769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException 9869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 9969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal super(clazz); 10069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal ClassFile cf = clazz.getClassFile2(); 10169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (cf == null) 10269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throw new CannotCompileException("bad declaring class: " 10369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal + clazz.getName()); 10469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 10569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal fieldInfo = new FieldInfo(cf.getConstPool(), name, typeDesc); 10669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 10769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 10869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtField(FieldInfo fi, CtClass clazz) { 10969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal super(clazz); 11069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal fieldInfo = fi; 11169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 11269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 11369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 11469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Returns a String representation of the object. 11569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 11669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public String toString() { 11769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return getDeclaringClass().getName() + "." + getName() 11869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal + ":" + fieldInfo.getDescriptor(); 11969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 12069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 12169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal protected void extendToString(StringBuffer buffer) { 12269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal buffer.append(' '); 12369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal buffer.append(getName()); 12469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal buffer.append(' '); 12569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal buffer.append(fieldInfo.getDescriptor()); 12669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 12769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 12869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /* Javac.CtFieldWithInit overrides. 12969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 13069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal protected ASTree getInitAST() { return null; } 13169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 13269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /* Called by CtClassType.addField(). 13369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 13469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal Initializer getInit() { 13569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal ASTree tree = getInitAST(); 13669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (tree == null) 13769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return null; 13869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 13969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return Initializer.byExpr(tree); 14069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 14169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 14269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 14369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Compiles the given source code and creates a field. 14469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Examples of the source code are: 14569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 14669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <ul><pre> 14769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * "public String name;" 14869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * "public int k = 3;"</pre></ul> 14969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 15069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>Note that the source code ends with <code>';'</code> 15169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * (semicolon). 15269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 15369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param src the source text. 15469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param declaring the class to which the created field is added. 15569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 15669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static CtField make(String src, CtClass declaring) 15769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException 15869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 15969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal Javac compiler = new Javac(declaring); 16069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal try { 16169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtMember obj = compiler.compile(src); 16269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (obj instanceof CtField) 16369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return (CtField)obj; // an instance of Javac.CtFieldWithInit 16469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 16569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal catch (CompileError e) { 16669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throw new CannotCompileException(e); 16769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 16869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 16969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throw new CannotCompileException("not a field"); 17069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 17169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 17269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 17369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Returns the FieldInfo representing the field in the class file. 17469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 17569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public FieldInfo getFieldInfo() { 17669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal declaringClass.checkModify(); 17769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return fieldInfo; 17869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 17969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 18069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 18169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Returns the FieldInfo representing the field in the class 18269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * file (read only). 18369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Normal applications do not need calling this method. Use 18469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>getFieldInfo()</code>. 18569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 18669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>The <code>FieldInfo</code> object obtained by this method 18769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * is read only. Changes to this object might not be reflected 18869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * on a class file generated by <code>toBytecode()</code>, 18969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>toClass()</code>, etc in <code>CtClass</code>. 19069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 19169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>This method is available even if the <code>CtClass</code> 19269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * containing this field is frozen. However, if the class is 19369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * frozen, the <code>FieldInfo</code> might be also pruned. 19469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 19569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see #getFieldInfo() 19669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see CtClass#isFrozen() 19769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see CtClass#prune() 19869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 19969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public FieldInfo getFieldInfo2() { return fieldInfo; } 20069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 20169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 20269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Returns the class declaring the field. 20369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 20469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public CtClass getDeclaringClass() { 20569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal // this is redundant but for javadoc. 20669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return super.getDeclaringClass(); 20769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 20869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 20969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 21069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Returns the name of the field. 21169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 21269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public String getName() { 21369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return fieldInfo.getName(); 21469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 21569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 21669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 21769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Changes the name of the field. 21869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 21969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public void setName(String newName) { 22069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal declaringClass.checkModify(); 22169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal fieldInfo.setName(newName); 22269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 22369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 22469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 22569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Returns the encoded modifiers of the field. 22669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 22769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see Modifier 22869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 22969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public int getModifiers() { 23069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return AccessFlag.toModifier(fieldInfo.getAccessFlags()); 23169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 23269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 23369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 23469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Sets the encoded modifiers of the field. 23569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 23669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see Modifier 23769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 23869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public void setModifiers(int mod) { 23969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal declaringClass.checkModify(); 24069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal fieldInfo.setAccessFlags(AccessFlag.of(mod)); 24169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 24269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 24369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 24469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Returns true if the class has the specified annotation class. 24569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 24669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param clz the annotation class. 24769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @return <code>true</code> if the annotation is found, otherwise <code>false</code>. 24869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @since 3.11 24969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 25069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public boolean hasAnnotation(Class clz) { 25169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal FieldInfo fi = getFieldInfo2(); 25269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal AnnotationsAttribute ainfo = (AnnotationsAttribute) 25369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal fi.getAttribute(AnnotationsAttribute.invisibleTag); 25469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal AnnotationsAttribute ainfo2 = (AnnotationsAttribute) 25569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal fi.getAttribute(AnnotationsAttribute.visibleTag); 25669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return CtClassType.hasAnnotationType(clz, getDeclaringClass().getClassPool(), 25769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal ainfo, ainfo2); 25869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 25969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 26069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 26169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Returns the annotation if the class has the specified annotation class. 26269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * For example, if an annotation <code>@Author</code> is associated 26369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * with this field, an <code>Author</code> object is returned. 26469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * The member values can be obtained by calling methods on 26569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * the <code>Author</code> object. 26669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 26769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param clz the annotation class. 26869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @return the annotation if found, otherwise <code>null</code>. 26969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @since 3.11 27069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 27169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public Object getAnnotation(Class clz) throws ClassNotFoundException { 27269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal FieldInfo fi = getFieldInfo2(); 27369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal AnnotationsAttribute ainfo = (AnnotationsAttribute) 27469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal fi.getAttribute(AnnotationsAttribute.invisibleTag); 27569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal AnnotationsAttribute ainfo2 = (AnnotationsAttribute) 27669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal fi.getAttribute(AnnotationsAttribute.visibleTag); 27769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return CtClassType.getAnnotationType(clz, getDeclaringClass().getClassPool(), 27869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal ainfo, ainfo2); 27969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 28069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 28169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 28269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Returns the annotations associated with this field. 28369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 28469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @return an array of annotation-type objects. 28569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see #getAvailableAnnotations() 28669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @since 3.1 28769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 28869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public Object[] getAnnotations() throws ClassNotFoundException { 28969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return getAnnotations(false); 29069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 29169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 29269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 29369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Returns the annotations associated with this field. 29469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * If any annotations are not on the classpath, they are not included 29569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * in the returned array. 29669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 29769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @return an array of annotation-type objects. 29869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see #getAnnotations() 29969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @since 3.3 30069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 30169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public Object[] getAvailableAnnotations(){ 30269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal try { 30369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return getAnnotations(true); 30469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 30569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal catch (ClassNotFoundException e) { 30669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throw new RuntimeException("Unexpected exception", e); 30769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 30869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 30969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 31069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal private Object[] getAnnotations(boolean ignoreNotFound) throws ClassNotFoundException { 31169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal FieldInfo fi = getFieldInfo2(); 31269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal AnnotationsAttribute ainfo = (AnnotationsAttribute) 31369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal fi.getAttribute(AnnotationsAttribute.invisibleTag); 31469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal AnnotationsAttribute ainfo2 = (AnnotationsAttribute) 31569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal fi.getAttribute(AnnotationsAttribute.visibleTag); 31669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return CtClassType.toAnnotationType(ignoreNotFound, getDeclaringClass().getClassPool(), 31769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal ainfo, ainfo2); 31869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 31969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 32069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 32169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Returns the character string representing the type of the field. 32269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * The field signature is represented by a character string 32369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * called a field descriptor, which is defined in the JVM specification. 32469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * If two fields have the same type, 32569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>getSignature()</code> returns the same string. 32669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 32769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>Note that the returned string is not the type signature 32869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * contained in the <code>SignatureAttirbute</code>. It is 32969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * a descriptor. To obtain a type signature, call the following 33069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * methods: 33169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 33269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <ul><pre>getFieldInfo().getAttribute(SignatureAttribute.tag) 33369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * </pre></ul> 33469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 33569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see javassist.bytecode.Descriptor 33669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see javassist.bytecode.SignatureAttribute 33769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 33869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public String getSignature() { 33969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return fieldInfo.getDescriptor(); 34069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 34169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 34269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 34369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Returns the type of the field. 34469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 34569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public CtClass getType() throws NotFoundException { 34669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return Descriptor.toCtClass(fieldInfo.getDescriptor(), 34769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal declaringClass.getClassPool()); 34869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 34969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 35069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 35169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Sets the type of the field. 35269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 35369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public void setType(CtClass clazz) { 35469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal declaringClass.checkModify(); 35569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal fieldInfo.setDescriptor(Descriptor.of(clazz)); 35669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 35769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 35869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 35969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Returns the value of this field if it is a constant field. 36069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * This method works only if the field type is a primitive type 36169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * or <code>String</code> type. Otherwise, it returns <code>null</code>. 36269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * A constant field is <code>static</code> and <code>final</code>. 36369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 36469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @return a <code>Integer</code>, <code>Long</code>, <code>Float</code>, 36569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>Double</code>, <code>Boolean</code>, 36669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * or <code>String</code> object 36769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * representing the constant value. 36869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>null</code> if it is not a constant field 36969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * or if the field type is not a primitive type 37069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * or <code>String</code>. 37169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 37269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public Object getConstantValue() { 37369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal // When this method is modified, 37469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal // see also getConstantFieldValue() in TypeChecker. 37569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 37669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int index = fieldInfo.getConstantValue(); 37769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (index == 0) 37869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return null; 37969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 38069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal ConstPool cp = fieldInfo.getConstPool(); 38169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal switch (cp.getTag(index)) { 38269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal case ConstPool.CONST_Long : 38369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return new Long(cp.getLongInfo(index)); 38469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal case ConstPool.CONST_Float : 38569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return new Float(cp.getFloatInfo(index)); 38669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal case ConstPool.CONST_Double : 38769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return new Double(cp.getDoubleInfo(index)); 38869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal case ConstPool.CONST_Integer : 38969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int value = cp.getIntegerInfo(index); 39069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal // "Z" means boolean type. 39169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if ("Z".equals(fieldInfo.getDescriptor())) 39269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return new Boolean(value != 0); 39369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 39469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return new Integer(value); 39569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal case ConstPool.CONST_String : 39669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return cp.getStringInfo(index); 39769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal default : 39869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throw new RuntimeException("bad tag: " + cp.getTag(index) 39969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal + " at " + index); 40069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 40169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 40269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 40369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 40469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Obtains an attribute with the given name. 40569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * If that attribute is not found in the class file, this 40669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * method returns null. 40769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 40869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>Note that an attribute is a data block specified by 40969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * the class file format. 41069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * See {@link javassist.bytecode.AttributeInfo}. 41169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 41269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param name attribute name 41369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 41469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public byte[] getAttribute(String name) { 41569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal AttributeInfo ai = fieldInfo.getAttribute(name); 41669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (ai == null) 41769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return null; 41869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 41969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return ai.get(); 42069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 42169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 42269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 42369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Adds an attribute. The attribute is saved in the class file. 42469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 42569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>Note that an attribute is a data block specified by 42669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * the class file format. 42769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * See {@link javassist.bytecode.AttributeInfo}. 42869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 42969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param name attribute name 43069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param data attribute value 43169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 43269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public void setAttribute(String name, byte[] data) { 43369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal declaringClass.checkModify(); 43469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal fieldInfo.addAttribute(new AttributeInfo(fieldInfo.getConstPool(), 43569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal name, data)); 43669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 43769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 43869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal // inner classes 43969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 44069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 44169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Instances of this class specify how to initialize a field. 44269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>Initializer</code> is passed to 44369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>CtClass.addField()</code> with a <code>CtField</code>. 44469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 44569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>This class cannot be instantiated with the <code>new</code> operator. 44669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Factory methods such as <code>byParameter()</code> and 44769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>byNew</code> 44869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * must be used for the instantiation. They create a new instance with 44969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * the given parameters and return it. 45069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 45169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see CtClass#addField(CtField,CtField.Initializer) 45269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 45369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static abstract class Initializer { 45469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 45569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer that assigns a constant integer value. 45669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * The field must be integer, short, char, or byte type. 45769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 45869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer constant(int i) { 45969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return new IntInitializer(i); 46069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 46169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 46269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 46369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer that assigns a constant boolean value. 46469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * The field must be boolean type. 46569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 46669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer constant(boolean b) { 46769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return new IntInitializer(b ? 1 : 0); 46869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 46969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 47069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 47169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer that assigns a constant long value. 47269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * The field must be long type. 47369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 47469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer constant(long l) { 47569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return new LongInitializer(l); 47669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 47769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 47869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 47969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer that assigns a constant float value. 48069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * The field must be float type. 48169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 48269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer constant(float l) { 48369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return new FloatInitializer(l); 48469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 48569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 48669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 48769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer that assigns a constant double value. 48869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * The field must be double type. 48969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 49069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer constant(double d) { 49169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return new DoubleInitializer(d); 49269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 49369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 49469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 49569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer that assigns a constant string value. 49669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * The field must be <code>java.lang.String</code> type. 49769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 49869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer constant(String s) { 49969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return new StringInitializer(s); 50069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 50169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 50269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 50369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer using a constructor parameter. 50469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 50569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>The initial value is the 50669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * N-th parameter given to the constructor of the object including 50769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * the field. If the constructor takes less than N parameters, 50869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * the field is not initialized. 50969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * If the field is static, it is never initialized. 51069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 51169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param nth the n-th (>= 0) parameter is used as 51269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * the initial value. 51369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * If nth is 0, then the first parameter is 51469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * used. 51569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 51669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer byParameter(int nth) { 51769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal ParamInitializer i = new ParamInitializer(); 51869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.nthParam = nth; 51969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return i; 52069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 52169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 52269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 52369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer creating a new object. 52469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 52569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>This initializer creates a new object and uses it as the initial 52669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * value of the field. The constructor of the created object receives 52769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * the parameter: 52869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 52969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <ul><code>Object obj</code> - the object including the field.<br> 53069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * </ul> 53169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 53269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>If the initialized field is static, then the constructor does 53369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * not receive any parameters. 53469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 53569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param objectType the class instantiated for the initial value. 53669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 53769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer byNew(CtClass objectType) { 53869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal NewInitializer i = new NewInitializer(); 53969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.objectType = objectType; 54069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.stringParams = null; 54169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.withConstructorParams = false; 54269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return i; 54369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 54469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 54569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 54669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer creating a new object. 54769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 54869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>This initializer creates a new object and uses it as the initial 54969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * value of the field. The constructor of the created object receives 55069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * the parameters: 55169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 55269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <ul><code>Object obj</code> - the object including the field.<br> 55369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>String[] strs</code> - the character strings specified 55469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * by <code>stringParams</code><br> 55569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * </ul> 55669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 55769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>If the initialized field is static, then the constructor 55869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * receives only <code>strs</code>. 55969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 56069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param objectType the class instantiated for the initial value. 56169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param stringParams the array of strings passed to the 56269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * constructor. 56369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 56469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer byNew(CtClass objectType, 56569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal String[] stringParams) { 56669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal NewInitializer i = new NewInitializer(); 56769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.objectType = objectType; 56869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.stringParams = stringParams; 56969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.withConstructorParams = false; 57069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return i; 57169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 57269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 57369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 57469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer creating a new object. 57569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 57669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>This initializer creates a new object and uses it as the initial 57769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * value of the field. The constructor of the created object receives 57869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * the parameters: 57969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 58069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <ul><code>Object obj</code> - the object including the field.<br> 58169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>Object[] args</code> - the parameters passed to the 58269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * constructor of the object including the 58369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * filed. 58469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * </ul> 58569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 58669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>If the initialized field is static, then the constructor does 58769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * not receive any parameters. 58869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 58969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param objectType the class instantiated for the initial value. 59069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 59169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see javassist.CtField.Initializer#byNewArray(CtClass,int) 59269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @see javassist.CtField.Initializer#byNewArray(CtClass,int[]) 59369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 59469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer byNewWithParams(CtClass objectType) { 59569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal NewInitializer i = new NewInitializer(); 59669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.objectType = objectType; 59769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.stringParams = null; 59869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.withConstructorParams = true; 59969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return i; 60069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 60169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 60269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 60369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer creating a new object. 60469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 60569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>This initializer creates a new object and uses it as the initial 60669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * value of the field. The constructor of the created object receives 60769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * the parameters: 60869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 60969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <ul><code>Object obj</code> - the object including the field.<br> 61069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>String[] strs</code> - the character strings specified 61169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * by <code>stringParams</code><br> 61269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>Object[] args</code> - the parameters passed to the 61369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * constructor of the object including the 61469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * filed. 61569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * </ul> 61669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 61769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>If the initialized field is static, then the constructor receives 61869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * only <code>strs</code>. 61969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 62069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param objectType the class instantiated for the initial value. 62169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param stringParams the array of strings passed to the 62269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * constructor. 62369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 62469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer byNewWithParams(CtClass objectType, 62569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal String[] stringParams) { 62669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal NewInitializer i = new NewInitializer(); 62769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.objectType = objectType; 62869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.stringParams = stringParams; 62969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.withConstructorParams = true; 63069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return i; 63169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 63269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 63369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 63469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer calling a static method. 63569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 63669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>This initializer calls a static method and uses the returned 63769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * value as the initial value of the field. 63869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * The called method receives the parameters: 63969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 64069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <ul><code>Object obj</code> - the object including the field.<br> 64169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * </ul> 64269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 64369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>If the initialized field is static, then the method does 64469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * not receive any parameters. 64569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 64669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>The type of the returned value must be the same as the field 64769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * type. 64869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 64969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param methodClass the class that the static method is 65069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * declared in. 65169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param methodName the name of the satic method. 65269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 65369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer byCall(CtClass methodClass, 65469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal String methodName) { 65569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal MethodInitializer i = new MethodInitializer(); 65669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.objectType = methodClass; 65769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.methodName = methodName; 65869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.stringParams = null; 65969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.withConstructorParams = false; 66069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return i; 66169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 66269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 66369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 66469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer calling a static method. 66569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 66669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>This initializer calls a static method and uses the returned 66769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * value as the initial value of the field. The called method 66869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * receives the parameters: 66969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 67069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <ul><code>Object obj</code> - the object including the field.<br> 67169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>String[] strs</code> - the character strings specified 67269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * by <code>stringParams</code><br> 67369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * </ul> 67469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 67569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>If the initialized field is static, then the method 67669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * receive only <code>strs</code>. 67769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 67869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>The type of the returned value must be the same as the field 67969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * type. 68069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 68169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param methodClass the class that the static method is 68269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * declared in. 68369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param methodName the name of the satic method. 68469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param stringParams the array of strings passed to the 68569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * static method. 68669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 68769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer byCall(CtClass methodClass, 68869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal String methodName, 68969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal String[] stringParams) { 69069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal MethodInitializer i = new MethodInitializer(); 69169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.objectType = methodClass; 69269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.methodName = methodName; 69369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.stringParams = stringParams; 69469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.withConstructorParams = false; 69569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return i; 69669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 69769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 69869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 69969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer calling a static method. 70069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 70169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>This initializer calls a static method and uses the returned 70269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * value as the initial value of the field. The called method 70369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * receives the parameters: 70469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 70569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <ul><code>Object obj</code> - the object including the field.<br> 70669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>Object[] args</code> - the parameters passed to the 70769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * constructor of the object including the 70869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * filed. 70969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * </ul> 71069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 71169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>If the initialized field is static, then the method does 71269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * not receive any parameters. 71369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 71469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>The type of the returned value must be the same as the field 71569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * type. 71669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 71769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param methodClass the class that the static method is 71869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * declared in. 71969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param methodName the name of the satic method. 72069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 72169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer byCallWithParams(CtClass methodClass, 72269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal String methodName) { 72369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal MethodInitializer i = new MethodInitializer(); 72469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.objectType = methodClass; 72569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.methodName = methodName; 72669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.stringParams = null; 72769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.withConstructorParams = true; 72869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return i; 72969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 73069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 73169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 73269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer calling a static method. 73369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 73469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>This initializer calls a static method and uses the returned 73569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * value as the initial value of the field. The called method 73669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * receives the parameters: 73769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 73869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <ul><code>Object obj</code> - the object including the field.<br> 73969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>String[] strs</code> - the character strings specified 74069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * by <code>stringParams</code><br> 74169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <code>Object[] args</code> - the parameters passed to the 74269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * constructor of the object including the 74369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * filed. 74469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * </ul> 74569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 74669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>If the initialized field is static, then the method 74769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * receive only <code>strs</code>. 74869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 74969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * <p>The type of the returned value must be the same as the field 75069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * type. 75169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 75269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param methodClass the class that the static method is 75369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * declared in. 75469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param methodName the name of the satic method. 75569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param stringParams the array of strings passed to the 75669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * static method. 75769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 75869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer byCallWithParams(CtClass methodClass, 75969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal String methodName, String[] stringParams) { 76069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal MethodInitializer i = new MethodInitializer(); 76169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.objectType = methodClass; 76269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.methodName = methodName; 76369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.stringParams = stringParams; 76469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal i.withConstructorParams = true; 76569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return i; 76669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 76769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 76869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 76969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer creating a new array. 77069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 77169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param type the type of the array. 77269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param size the size of the array. 77369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @throws NotFoundException if the type of the array components 77469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * is not found. 77569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 77669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer byNewArray(CtClass type, int size) 77769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws NotFoundException 77869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 77969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return new ArrayInitializer(type.getComponentType(), size); 78069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 78169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 78269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 78369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer creating a new multi-dimensional array. 78469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 78569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param type the type of the array. 78669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param sizes an <code>int</code> array of the size in every 78769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * dimension. 78869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * The first element is the size in the first 78969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * dimension. The second is in the second, etc. 79069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 79169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer byNewArray(CtClass type, int[] sizes) { 79269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return new MultiArrayInitializer(type, sizes); 79369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 79469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 79569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 79669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Makes an initializer. 79769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 79869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param source initializer expression. 79969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 80069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal public static Initializer byExpr(String source) { 80169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return new CodeInitializer(source); 80269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 80369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 80469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal static Initializer byExpr(ASTree source) { 80569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return new PtreeInitializer(source); 80669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 80769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 80869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal // Check whether this initializer is valid for the field type. 80969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal // If it is invaild, this method throws an exception. 81069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal void check(String desc) throws CannotCompileException {} 81169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 81269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal // produce codes for initialization 81369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal abstract int compile(CtClass type, String name, Bytecode code, 81469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass[] parameters, Javac drv) 81569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException; 81669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 81769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal // produce codes for initialization 81869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal abstract int compileIfStatic(CtClass type, String name, 81969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal Bytecode code, Javac drv) throws CannotCompileException; 82069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 82169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal // returns the index of CONSTANT_Integer_info etc 82269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal // if the value is constant. Otherwise, 0. 82369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int getConstantValue(ConstPool cp, CtClass type) { return 0; } 82469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 82569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 82669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal static abstract class CodeInitializer0 extends Initializer { 82769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal abstract void compileExpr(Javac drv) throws CompileError; 82869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 82969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compile(CtClass type, String name, Bytecode code, 83069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass[] parameters, Javac drv) 83169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException 83269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 83369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal try { 83469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addAload(0); 83569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal compileExpr(drv); 83669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutfield(Bytecode.THIS, name, Descriptor.of(type)); 83769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return code.getMaxStack(); 83869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 83969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal catch (CompileError e) { 84069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throw new CannotCompileException(e); 84169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 84269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 84369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 84469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compileIfStatic(CtClass type, String name, Bytecode code, 84569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal Javac drv) throws CannotCompileException 84669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 84769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal try { 84869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal compileExpr(drv); 84969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutstatic(Bytecode.THIS, name, Descriptor.of(type)); 85069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return code.getMaxStack(); 85169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 85269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal catch (CompileError e) { 85369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throw new CannotCompileException(e); 85469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 85569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 85669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 85769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int getConstantValue2(ConstPool cp, CtClass type, ASTree tree) { 85869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (type.isPrimitive()) { 85969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (tree instanceof IntConst) { 86069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal long value = ((IntConst)tree).get(); 86169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (type == CtClass.doubleType) 86269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return cp.addDoubleInfo((double)value); 86369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else if (type == CtClass.floatType) 86469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return cp.addFloatInfo((float)value); 86569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else if (type == CtClass.longType) 86669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return cp.addLongInfo(value); 86769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else if (type != CtClass.voidType) 86869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return cp.addIntegerInfo((int)value); 86969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 87069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else if (tree instanceof DoubleConst) { 87169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal double value = ((DoubleConst)tree).get(); 87269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (type == CtClass.floatType) 87369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return cp.addFloatInfo((float)value); 87469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else if (type == CtClass.doubleType) 87569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return cp.addDoubleInfo(value); 87669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 87769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 87869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else if (tree instanceof StringL 87969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal && type.getName().equals(javaLangString)) 88069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return cp.addStringInfo(((StringL)tree).get()); 88169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 88269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 0; 88369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 88469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 88569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 88669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal static class CodeInitializer extends CodeInitializer0 { 88769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal private String expression; 88869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 88969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CodeInitializer(String expr) { expression = expr; } 89069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 89169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal void compileExpr(Javac drv) throws CompileError { 89269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal drv.compileExpr(expression); 89369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 89469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 89569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int getConstantValue(ConstPool cp, CtClass type) { 89669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal try { 89769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal ASTree t = Javac.parseExpr(expression, new SymbolTable()); 89869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return getConstantValue2(cp, type, t); 89969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 90069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal catch (CompileError e) { 90169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 0; 90269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 90369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 90469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 90569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 90669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal static class PtreeInitializer extends CodeInitializer0 { 90769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal private ASTree expression; 90869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 90969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal PtreeInitializer(ASTree expr) { expression = expr; } 91069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 91169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal void compileExpr(Javac drv) throws CompileError { 91269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal drv.compileExpr(expression); 91369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 91469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 91569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int getConstantValue(ConstPool cp, CtClass type) { 91669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return getConstantValue2(cp, type, expression); 91769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 91869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 91969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 92069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 92169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * A field initialized with a parameter passed to the constructor 92269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * of the class containing that field. 92369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 92469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal static class ParamInitializer extends Initializer { 92569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int nthParam; 92669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 92769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal ParamInitializer() {} 92869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 92969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compile(CtClass type, String name, Bytecode code, 93069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass[] parameters, Javac drv) 93169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException 93269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 93369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (parameters != null && nthParam < parameters.length) { 93469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addAload(0); 93569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int nth = nthParamToLocal(nthParam, parameters, false); 93669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int s = code.addLoad(nth, type) + 1; 93769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutfield(Bytecode.THIS, name, Descriptor.of(type)); 93869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return s; // stack size 93969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 94069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 94169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 0; // do not initialize 94269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 94369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 94469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 94569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Computes the index of the local variable that the n-th parameter 94669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * is assigned to. 94769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * 94869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param nth n-th parameter 94969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param params list of parameter types 95069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * @param isStatic true if the method is static. 95169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 95269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal static int nthParamToLocal(int nth, CtClass[] params, 95369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal boolean isStatic) { 95469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass longType = CtClass.longType; 95569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass doubleType = CtClass.doubleType; 95669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int k; 95769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (isStatic) 95869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal k = 0; 95969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 96069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal k = 1; // 0 is THIS. 96169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 96269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal for (int i = 0; i < nth; ++i) { 96369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass type = params[i]; 96469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (type == longType || type == doubleType) 96569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal k += 2; 96669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 96769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal ++k; 96869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 96969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 97069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return k; 97169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 97269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 97369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compileIfStatic(CtClass type, String name, Bytecode code, 97469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal Javac drv) throws CannotCompileException 97569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 97669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 0; 97769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 97869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 97969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 98069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 98169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * A field initialized with an object created by the new operator. 98269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 98369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal static class NewInitializer extends Initializer { 98469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass objectType; 98569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal String[] stringParams; 98669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal boolean withConstructorParams; 98769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 98869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal NewInitializer() {} 98969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 99069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 99169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Produces codes in which a new object is created and assigned to 99269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * the field as the initial value. 99369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 99469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compile(CtClass type, String name, Bytecode code, 99569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass[] parameters, Javac drv) 99669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException 99769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 99869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int stacksize; 99969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 100069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addAload(0); 100169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addNew(objectType); 100269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.add(Bytecode.DUP); 100369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addAload(0); 100469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 100569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (stringParams == null) 100669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal stacksize = 4; 100769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 100869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal stacksize = compileStringParameter(code) + 4; 100969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 101069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (withConstructorParams) 101169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal stacksize += CtNewWrappedMethod.compileParameterList(code, 101269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal parameters, 1); 101369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 101469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addInvokespecial(objectType, "<init>", getDescriptor()); 101569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutfield(Bytecode.THIS, name, Descriptor.of(type)); 101669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return stacksize; 101769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 101869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 101969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal private String getDescriptor() { 102069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal final String desc3 102169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal = "(Ljava/lang/Object;[Ljava/lang/String;[Ljava/lang/Object;)V"; 102269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 102369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (stringParams == null) 102469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (withConstructorParams) 102569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return "(Ljava/lang/Object;[Ljava/lang/Object;)V"; 102669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 102769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return "(Ljava/lang/Object;)V"; 102869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 102969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (withConstructorParams) 103069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return desc3; 103169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 103269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return "(Ljava/lang/Object;[Ljava/lang/String;)V"; 103369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 103469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 103569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 103669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Produces codes for a static field. 103769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 103869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compileIfStatic(CtClass type, String name, Bytecode code, 103969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal Javac drv) throws CannotCompileException 104069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 104169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal String desc; 104269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 104369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addNew(objectType); 104469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.add(Bytecode.DUP); 104569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 104669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int stacksize = 2; 104769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (stringParams == null) 104869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal desc = "()V"; 104969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else { 105069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal desc = "([Ljava/lang/String;)V"; 105169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal stacksize += compileStringParameter(code); 105269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 105369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 105469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addInvokespecial(objectType, "<init>", desc); 105569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutstatic(Bytecode.THIS, name, Descriptor.of(type)); 105669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return stacksize; 105769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 105869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 105969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal protected final int compileStringParameter(Bytecode code) 106069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException 106169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 106269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int nparam = stringParams.length; 106369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addIconst(nparam); 106469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addAnewarray(javaLangString); 106569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal for (int j = 0; j < nparam; ++j) { 106669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.add(Bytecode.DUP); // dup 106769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addIconst(j); // iconst_<j> 106869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addLdc(stringParams[j]); // ldc ... 106969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.add(Bytecode.AASTORE); // aastore 107069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 107169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 107269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 4; 107369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 107469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 107569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 107669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 107769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 107869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * A field initialized with the result of a static method call. 107969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 108069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal static class MethodInitializer extends NewInitializer { 108169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal String methodName; 108269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal // the method class is specified by objectType. 108369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 108469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal MethodInitializer() {} 108569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 108669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 108769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Produces codes in which a new object is created and assigned to 108869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * the field as the initial value. 108969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 109069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compile(CtClass type, String name, Bytecode code, 109169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass[] parameters, Javac drv) 109269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException 109369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 109469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int stacksize; 109569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 109669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addAload(0); 109769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addAload(0); 109869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 109969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (stringParams == null) 110069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal stacksize = 2; 110169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 110269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal stacksize = compileStringParameter(code) + 2; 110369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 110469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (withConstructorParams) 110569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal stacksize += CtNewWrappedMethod.compileParameterList(code, 110669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal parameters, 1); 110769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 110869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal String typeDesc = Descriptor.of(type); 110969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal String mDesc = getDescriptor() + typeDesc; 111069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addInvokestatic(objectType, methodName, mDesc); 111169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutfield(Bytecode.THIS, name, typeDesc); 111269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return stacksize; 111369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 111469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 111569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal private String getDescriptor() { 111669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal final String desc3 111769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal = "(Ljava/lang/Object;[Ljava/lang/String;[Ljava/lang/Object;)"; 111869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 111969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (stringParams == null) 112069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (withConstructorParams) 112169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return "(Ljava/lang/Object;[Ljava/lang/Object;)"; 112269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 112369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return "(Ljava/lang/Object;)"; 112469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 112569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (withConstructorParams) 112669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return desc3; 112769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 112869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return "(Ljava/lang/Object;[Ljava/lang/String;)"; 112969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 113069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 113169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal /** 113269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal * Produces codes for a static field. 113369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal */ 113469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compileIfStatic(CtClass type, String name, Bytecode code, 113569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal Javac drv) throws CannotCompileException 113669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 113769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal String desc; 113869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 113969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int stacksize = 1; 114069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (stringParams == null) 114169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal desc = "()"; 114269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else { 114369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal desc = "([Ljava/lang/String;)"; 114469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal stacksize += compileStringParameter(code); 114569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 114669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 114769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal String typeDesc = Descriptor.of(type); 114869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addInvokestatic(objectType, methodName, desc + typeDesc); 114969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutstatic(Bytecode.THIS, name, typeDesc); 115069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return stacksize; 115169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 115269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 115369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 115469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal static class IntInitializer extends Initializer { 115569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int value; 115669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 115769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal IntInitializer(int v) { value = v; } 115869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 115969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal void check(String desc) throws CannotCompileException { 116069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal char c = desc.charAt(0); 116169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (c != 'I' && c != 'S' && c != 'B' && c != 'C' && c != 'Z') 116269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throw new CannotCompileException("type mismatch"); 116369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 116469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 116569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compile(CtClass type, String name, Bytecode code, 116669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass[] parameters, Javac drv) 116769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException 116869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 116969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addAload(0); 117069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addIconst(value); 117169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutfield(Bytecode.THIS, name, Descriptor.of(type)); 117269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 2; // stack size 117369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 117469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 117569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compileIfStatic(CtClass type, String name, Bytecode code, 117669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal Javac drv) throws CannotCompileException 117769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 117869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addIconst(value); 117969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutstatic(Bytecode.THIS, name, Descriptor.of(type)); 118069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 1; // stack size 118169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 118269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 118369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int getConstantValue(ConstPool cp, CtClass type) { 118469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return cp.addIntegerInfo(value); 118569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 118669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 118769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 118869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal static class LongInitializer extends Initializer { 118969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal long value; 119069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 119169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal LongInitializer(long v) { value = v; } 119269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 119369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal void check(String desc) throws CannotCompileException { 119469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (!desc.equals("J")) 119569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throw new CannotCompileException("type mismatch"); 119669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 119769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 119869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compile(CtClass type, String name, Bytecode code, 119969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass[] parameters, Javac drv) 120069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException 120169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 120269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addAload(0); 120369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addLdc2w(value); 120469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutfield(Bytecode.THIS, name, Descriptor.of(type)); 120569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 3; // stack size 120669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 120769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 120869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compileIfStatic(CtClass type, String name, Bytecode code, 120969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal Javac drv) throws CannotCompileException 121069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 121169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addLdc2w(value); 121269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutstatic(Bytecode.THIS, name, Descriptor.of(type)); 121369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 2; // stack size 121469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 121569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 121669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int getConstantValue(ConstPool cp, CtClass type) { 121769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (type == CtClass.longType) 121869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return cp.addLongInfo(value); 121969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 122069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 0; 122169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 122269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 122369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 122469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal static class FloatInitializer extends Initializer { 122569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal float value; 122669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 122769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal FloatInitializer(float v) { value = v; } 122869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 122969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal void check(String desc) throws CannotCompileException { 123069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (!desc.equals("F")) 123169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throw new CannotCompileException("type mismatch"); 123269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 123369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 123469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compile(CtClass type, String name, Bytecode code, 123569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass[] parameters, Javac drv) 123669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException 123769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 123869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addAload(0); 123969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addFconst(value); 124069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutfield(Bytecode.THIS, name, Descriptor.of(type)); 124169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 3; // stack size 124269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 124369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 124469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compileIfStatic(CtClass type, String name, Bytecode code, 124569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal Javac drv) throws CannotCompileException 124669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 124769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addFconst(value); 124869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutstatic(Bytecode.THIS, name, Descriptor.of(type)); 124969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 2; // stack size 125069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 125169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 125269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int getConstantValue(ConstPool cp, CtClass type) { 125369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (type == CtClass.floatType) 125469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return cp.addFloatInfo(value); 125569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 125669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 0; 125769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 125869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 125969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 126069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal static class DoubleInitializer extends Initializer { 126169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal double value; 126269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 126369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal DoubleInitializer(double v) { value = v; } 126469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 126569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal void check(String desc) throws CannotCompileException { 126669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (!desc.equals("D")) 126769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throw new CannotCompileException("type mismatch"); 126869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 126969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 127069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compile(CtClass type, String name, Bytecode code, 127169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass[] parameters, Javac drv) 127269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException 127369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 127469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addAload(0); 127569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addLdc2w(value); 127669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutfield(Bytecode.THIS, name, Descriptor.of(type)); 127769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 3; // stack size 127869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 127969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 128069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compileIfStatic(CtClass type, String name, Bytecode code, 128169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal Javac drv) throws CannotCompileException 128269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 128369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addLdc2w(value); 128469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutstatic(Bytecode.THIS, name, Descriptor.of(type)); 128569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 2; // stack size 128669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 128769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 128869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int getConstantValue(ConstPool cp, CtClass type) { 128969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (type == CtClass.doubleType) 129069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return cp.addDoubleInfo(value); 129169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 129269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 0; 129369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 129469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 129569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 129669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal static class StringInitializer extends Initializer { 129769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal String value; 129869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 129969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal StringInitializer(String v) { value = v; } 130069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 130169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compile(CtClass type, String name, Bytecode code, 130269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass[] parameters, Javac drv) 130369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException 130469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 130569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addAload(0); 130669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addLdc(value); 130769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutfield(Bytecode.THIS, name, Descriptor.of(type)); 130869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 2; // stack size 130969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 131069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 131169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compileIfStatic(CtClass type, String name, Bytecode code, 131269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal Javac drv) throws CannotCompileException 131369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 131469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addLdc(value); 131569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutstatic(Bytecode.THIS, name, Descriptor.of(type)); 131669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 1; // stack size 131769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 131869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 131969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int getConstantValue(ConstPool cp, CtClass type) { 132069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (type.getName().equals(javaLangString)) 132169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return cp.addStringInfo(value); 132269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 132369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 0; 132469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 132569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 132669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 132769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal static class ArrayInitializer extends Initializer { 132869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass type; 132969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int size; 133069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 133169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal ArrayInitializer(CtClass t, int s) { type = t; size = s; } 133269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 133369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal private void addNewarray(Bytecode code) { 133469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (type.isPrimitive()) 133569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addNewarray(((CtPrimitiveType)type).getArrayType(), 133669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal size); 133769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal else 133869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addAnewarray(type, size); 133969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 134069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 134169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compile(CtClass type, String name, Bytecode code, 134269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass[] parameters, Javac drv) 134369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException 134469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 134569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addAload(0); 134669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal addNewarray(code); 134769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutfield(Bytecode.THIS, name, Descriptor.of(type)); 134869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 2; // stack size 134969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 135069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 135169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compileIfStatic(CtClass type, String name, Bytecode code, 135269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal Javac drv) throws CannotCompileException 135369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 135469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal addNewarray(code); 135569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutstatic(Bytecode.THIS, name, Descriptor.of(type)); 135669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return 1; // stack size 135769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 135869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 135969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 136069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal static class MultiArrayInitializer extends Initializer { 136169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass type; 136269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int[] dim; 136369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 136469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal MultiArrayInitializer(CtClass t, int[] d) { type = t; dim = d; } 136569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 136669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal void check(String desc) throws CannotCompileException { 136769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal if (desc.charAt(0) != '[') 136869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throw new CannotCompileException("type mismatch"); 136969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 137069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 137169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compile(CtClass type, String name, Bytecode code, 137269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal CtClass[] parameters, Javac drv) 137369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal throws CannotCompileException 137469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 137569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addAload(0); 137669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int s = code.addMultiNewarray(type, dim); 137769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutfield(Bytecode.THIS, name, Descriptor.of(type)); 137869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return s + 1; // stack size 137969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 138069e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal 138169e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int compileIfStatic(CtClass type, String name, Bytecode code, 138269e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal Javac drv) throws CannotCompileException 138369e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal { 138469e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal int s = code.addMultiNewarray(type, dim); 138569e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal code.addPutstatic(Bytecode.THIS, name, Descriptor.of(type)); 138669e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal return s; // stack size 138769e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 138869e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal } 138969e17611504376e4d4603925f8528dfc890fd2c6Luis Sigal} 1390