/**
* Add a new Float constant to the ConstantPool, if it is not already in there.
*
* @param n Float number to add
* @return index of entry
*/
public int addFloat(float n) {
int ret;
if ((ret = lookupFloat(n)) != -1) return ret; // Already in CP
adjustSize();
ret = index;
constants[index++] = new ConstantFloat(n);
return ret;
}
/**
* Add a new Integer constant to the ConstantPool, if it is not already in there.
*
* @param n integer number to add
* @return index of entry
*/
public int addInteger(int n) {
int ret;
if ((ret = lookupInteger(n)) != -1) return ret; // Already in CP
adjustSize();
ret = index;
constants[index++] = new ConstantInteger(n);
return ret;
}
/**
* Add a new double constant to the ConstantPool, if it is not already in there.
*
* @param n Double number to add
* @return index of entry
*/
public int addDouble(double n) {
int ret;
if ((ret = lookupDouble(n)) != -1) return ret; // Already in CP
adjustSize();
ret = index;
constants[index] = new ConstantDouble(n);
index += 2; // Wastes one entry according to spec
return ret;
}
/**
* Add a new Utf8 constant to the ConstantPool, if it is not already in there.
*
* @param n Utf8 string to add
* @return index of entry
*/
public int addUtf8(String n) {
int ret;
if ((ret = lookupUtf8(n)) != -1) return ret; // Already in CP
adjustSize();
ret = index;
constants[index++] = new ConstantUtf8(n);
utf8_table.put(n, new Index(ret));
return ret;
}
/**
* Add a new NameAndType constant to the ConstantPool if it is not already in there.
*
* @param n NameAndType string to add
* @return index of entry
*/
public int addNameAndType(String name, String signature) {
int ret;
int name_index, signature_index;
if ((ret = lookupNameAndType(name, signature)) != -1) return ret; // Already in CP
adjustSize();
name_index = addUtf8(name);
signature_index = addUtf8(signature);
ret = index;
constants[index++] = new ConstantNameAndType(name_index, signature_index);
n_a_t_table.put(name + NAT_DELIM + signature, new Index(ret));
return ret;
}
private int addClass_(String clazz) {
int ret;
if ((ret = lookupClass(clazz)) != -1) return ret; // Already in CP
adjustSize();
ConstantClass c = new ConstantClass(addUtf8(clazz));
ret = index;
constants[index++] = c;
class_table.put(clazz, new Index(ret));
return ret;
}
/**
* Add a new InterfaceMethodref constant to the ConstantPool, if it is not already in there.
*
* @param n InterfaceMethodref string to add
* @return index of entry
*/
public int addInterfaceMethodref(String class_name, String method_name, String signature) {
int ret, class_index, name_and_type_index;
if ((ret = lookupInterfaceMethodref(class_name, method_name, signature)) != -1)
return ret; // Already in CP
adjustSize();
class_index = addClass(class_name);
name_and_type_index = addNameAndType(method_name, signature);
ret = index;
constants[index++] = new ConstantInterfaceMethodref(class_index, name_and_type_index);
cp_table.put(
class_name + IMETHODREF_DELIM + method_name + IMETHODREF_DELIM + signature, new Index(ret));
return ret;
}
/**
* Add a new String constant to the ConstantPool, if it is not already in there.
*
* @param str String to add
* @return index of entry
*/
public int addString(String str) {
int ret;
if ((ret = lookupString(str)) != -1) return ret; // Already in CP
int utf8 = addUtf8(str);
adjustSize();
ConstantString s = new ConstantString(utf8);
ret = index;
constants[index++] = s;
string_table.put(str, new Index(ret));
return ret;
}
/**
* Add a new Fieldref constant to the ConstantPool, if it is not already in there.
*
* @param n Fieldref string to add
* @return index of entry
*/
public int addFieldref(String class_name, String field_name, String signature) {
int ret;
int class_index, name_and_type_index;
if ((ret = lookupFieldref(class_name, field_name, signature)) != -1)
return ret; // Already in CP
adjustSize();
class_index = addClass(class_name);
name_and_type_index = addNameAndType(field_name, signature);
ret = index;
constants[index++] = new ConstantFieldref(class_index, name_and_type_index);
cp_table.put(
class_name + FIELDREF_DELIM + field_name + FIELDREF_DELIM + signature, new Index(ret));
return ret;
}