soot.coffi.field_info Maven / Gradle / Ivy
package soot.coffi;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 1997 Clark Verbrugge
* %%
* This program 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 program 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 General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
/**
* Represents a single field_info object.
*
* @see ClassFile
* @author Clark Verbrugge
*/
public class field_info {
/** Access flags for this field. */
public int access_flags;
/**
* Constant pool index of the name of this field.
*
* @see ClassFile#constant_pool
* @see CONSTANT_Utf8_info
*/
public int name_index;
/**
* Constant pool index of the type descriptor of this field.
*
* @see ClassFile#constant_pool
* @see CONSTANT_Utf8_info
*/
public int descriptor_index;
/** Count of attributes this field contains. */
public int attributes_count;
/**
* Array of attribute_info objects for this field.
*
* @see attribute_info
*/
public attribute_info attributes[];
/**
* Returns the name of this field.
*
* @param constant_pool
* the constant_pool for this class.
* @return the name of this field.
*/
public String toName(cp_info constant_pool[]) {
CONSTANT_Utf8_info ci;
ci = (CONSTANT_Utf8_info) (constant_pool[name_index]);
return ci.convert();
}
/**
* Returns the prototype of this field.
*
* @param constant_pool
* the constant_pool for this class.
* @return the prototype (access + type + name) of this field.
*/
public String prototype(cp_info constant_pool[]) {
CONSTANT_Utf8_info cm, dm;
String s;
cm = (CONSTANT_Utf8_info) (constant_pool[name_index]);
dm = (CONSTANT_Utf8_info) (constant_pool[descriptor_index]);
s = ClassFile.access_string(access_flags, " ");
if (s.compareTo("") != 0) {
s = s + " ";
}
return s + ClassFile.parseDesc(dm.convert(), "") + " " + cm.convert();
}
/**
* Locates a constant value attribute if one exists.
*
* @return the constant value attribute or null.
* @see ConstantValue_attribute
*/
public ConstantValue_attribute findConstantValue_attribute() {
int i;
for (i = 0; i < attributes_count; i++) {
if ((attributes[i]) instanceof ConstantValue_attribute) {
return (ConstantValue_attribute) (attributes[i]);
}
}
return null;
}
}