/* 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; /** There should be exactly one code attribute in every method; there * may also be a code attribute associated with a field (as an * initializer). * @see attribute_info * @see method_info#attributes * @see field_info#attributes * @see ClassFile@attributes * @author Clark Verbrugge */ class Code_attribute extends attribute_info { /** Maximum size of the operand stack. */ public int max_stack; /** Maximum number of locals required. */ public int max_locals; /** Length of code array. */ public long code_length; /** Actual array of bytecode. */ public byte code[]; /** Length of exception table array. */ public int exception_table_length; /** Exception table array. * @see exception_table_entry */ public exception_table_entry exception_table[]; /** Length of attributes array. */ int attributes_count; /** Array of attributes. * @see attribute_info */ attribute_info attributes[]; /** Locates the LocalVariableTable attribute, if one is present. * @return the local variable table attribute, or <i>null</i> if not found. * @see LocalVariableTable_attribute * @see method_info#makeLocals */ public LocalVariableTable_attribute findLocalVariableTable() { int i; for (i=0;i<attributes_count;i++) { if (attributes[i] instanceof LocalVariableTable_attribute) return (LocalVariableTable_attribute)(attributes[i]); } return null; } /** Locates the LocalVariableTypeTable attribute, if one is present. * @return the local variable type table attribute, or <i>null</i> * if not found. * @see LocalVariableTypeTable_attribute * @see method_info#makeLocals */ public LocalVariableTypeTable_attribute findLocalVariableTypeTable() { int i; for (i=0;i<attributes_count;i++) { if (attributes[i] instanceof LocalVariableTypeTable_attribute) return (LocalVariableTypeTable_attribute)(attributes[i]); } return null; } }