/* Soot - a J*va Optimization Framework * Copyright (C) 1997 Clark Verbrugge * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /* * Modified by the Sable Research Group and others 1997-1999. * See the 'credits' file distributed with Soot for the complete list of * contributors. (Soot is distributed at http://www.sable.mcgill.ca/soot) */ package soot.coffi; import soot.Value; import soot.jimple.StringConstant; /** A constant pool entry of type CONSTANT_String. * @see cp_info * @author Clark Verbrugge */ class CONSTANT_String_info extends cp_info { /** Constant pool index of the CONSTANT_Utf8 object for the actual string. * @see CONSTANT_Utf8_info */ public int string_index; /** Returns the size of this cp_info object. * @return number of bytes occupied by this object. * @see cp_info#size */ public int size() { return 3; } /** Returns a String representation of this entry. * @param constant_pool constant pool of ClassFile. * @return String representation of this entry. * @see cp_info#toString */ public String toString(cp_info constant_pool[]) { CONSTANT_Utf8_info ci = (CONSTANT_Utf8_info)(constant_pool[string_index]); return "\"" + ci.convert() + "\""; } /** Returns a String description of what kind of entry this is. * @return the String "string". * @see cp_info#typeName */ public String typeName() { return "string"; } /** Compares this entry with another cp_info object (which may reside * in a different constant pool). * @param constant_pool constant pool of ClassFile for this. * @param cp constant pool entry to compare against. * @param cp_constant_pool constant pool of ClassFile for cp. * @return a value <0, 0, or >0 indicating whether this is smaller, * the same or larger than cp. * @see cp_info#compareTo */ public int compareTo(cp_info constant_pool[],cp_info cp,cp_info cp_constant_pool[]) { if (tag!=cp.tag) return tag-cp.tag; CONSTANT_String_info cu = (CONSTANT_String_info)cp; return ((CONSTANT_Utf8_info)(constant_pool[string_index])). compareTo(cp_constant_pool[cu.string_index]); } public Value createJimpleConstantValue(cp_info[] constant_pool) { CONSTANT_Utf8_info ci = (CONSTANT_Utf8_info)(constant_pool[string_index]); return StringConstant.v(ci.convert()); } }