本文整理匯總了Java中javassist.bytecode.ConstPool.addMethodrefInfo方法的典型用法代碼示例。如果您正苦於以下問題：Java ConstPool.addMethodrefInfo方法的具體用法？Java ConstPool.addMethodrefInfo怎麽用？Java ConstPool.addMethodrefInfo使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類javassist.bytecode.ConstPool的用法示例。
在下文中一共展示了ConstPool.addMethodrefInfo方法的5個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: transformInvokevirtualsIntoGetfields
import javassist.bytecode.ConstPool; //導入方法依賴的package包/類
private int transformInvokevirtualsIntoGetfields(ClassFile classfile, CodeIterator iter, int pos) {
final ConstPool constPool = classfile.getConstPool();
final int c = iter.byteAt( pos );
if ( c != Opcode.GETFIELD ) {
return pos;
}
final int index = iter.u16bitAt( pos + 1 );
final String fieldName = constPool.getFieldrefName( index );
final String className = constPool.getFieldrefClassName( index );
if ( !filter.handleReadAccess( className, fieldName ) ) {
return pos;
}
final String fieldReaderMethodDescriptor = "()" + constPool.getFieldrefType( index );
final int fieldReaderMethodIndex = constPool.addMethodrefInfo(
constPool.getThisClassInfo(),
EACH_READ_METHOD_PREFIX + fieldName,
fieldReaderMethodDescriptor
);
iter.writeByte( Opcode.INVOKEVIRTUAL, pos );
iter.write16bit( fieldReaderMethodIndex, pos + 1 );
return pos;
}
示例2: transformInvokevirtualsIntoPutfields
import javassist.bytecode.ConstPool; //導入方法依賴的package包/類
private int transformInvokevirtualsIntoPutfields(ClassFile classfile, CodeIterator iter, int pos) {
final ConstPool constPool = classfile.getConstPool();
final int c = iter.byteAt( pos );
if ( c != Opcode.PUTFIELD ) {
return pos;
}
final int index = iter.u16bitAt( pos + 1 );
final String fieldName = constPool.getFieldrefName( index );
final String className = constPool.getFieldrefClassName( index );
if ( !filter.handleWriteAccess( className, fieldName ) ) {
return pos;
}
final String fieldWriterMethodDescriptor = "(" + constPool.getFieldrefType( index ) + ")V";
final int fieldWriterMethodIndex = constPool.addMethodrefInfo(
constPool.getThisClassInfo(),
EACH_WRITE_METHOD_PREFIX + fieldName,
fieldWriterMethodDescriptor
);
iter.writeByte( Opcode.INVOKEVIRTUAL, pos );
iter.write16bit( fieldWriterMethodIndex, pos + 1 );
return pos;
}
示例3: transformInvokevirtualsIntoGetfields
import javassist.bytecode.ConstPool; //導入方法依賴的package包/類
private int transformInvokevirtualsIntoGetfields(ClassFile classfile,
CodeIterator iter, int pos) {
ConstPool cp = classfile.getConstPool();
int c = iter.byteAt(pos);
if (c != Opcode.GETFIELD) {
return pos;
}
int index = iter.u16bitAt(pos + 1);
String fieldName = cp.getFieldrefName(index);
String className = cp.getFieldrefClassName(index);
if ((!classfile.getName().equals(className))
|| (!readableFields.containsKey(fieldName))) {
return pos;
}
String desc = "()" + (String) readableFields.get(fieldName);
int read_method_index = cp.addMethodrefInfo(cp.getThisClassInfo(),
EACH_READ_METHOD_PREFIX + fieldName, desc);
iter.writeByte(Opcode.INVOKEVIRTUAL, pos);
iter.write16bit(read_method_index, pos + 1);
return pos;
}
示例4: transformInvokevirtualsIntoPutfields
import javassist.bytecode.ConstPool; //導入方法依賴的package包/類
private int transformInvokevirtualsIntoPutfields(ClassFile classfile,
CodeIterator iter, int pos) {
ConstPool cp = classfile.getConstPool();
int c = iter.byteAt(pos);
if (c != Opcode.PUTFIELD) {
return pos;
}
int index = iter.u16bitAt(pos + 1);
String fieldName = cp.getFieldrefName(index);
String className = cp.getFieldrefClassName(index);
if ((!classfile.getName().equals(className))
|| (!writableFields.containsKey(fieldName))) {
return pos;
}
String desc = "(" + (String) writableFields.get(fieldName) + ")V";
int write_method_index = cp.addMethodrefInfo(cp.getThisClassInfo(),
EACH_WRITE_METHOD_PREFIX + fieldName, desc);
iter.writeByte(Opcode.INVOKEVIRTUAL, pos);
iter.write16bit(write_method_index, pos + 1);
return pos;
}
示例5: replace
import javassist.bytecode.ConstPool; //導入方法依賴的package包/類
private int replace(ConstPool cp, CodeIterator iterator, int pos,
int opcode, String signature) throws BadBytecode {
String castType = null;
String methodName = getMethodName(opcode);
if (methodName != null) {
// See if the object must be cast
if (opcode == AALOAD) {
castType = getTopType(iterator.lookAhead());
// Do not replace an AALOAD instruction that we do not have a type for
// This happens when the state is guaranteed to be null (Type.UNINIT)
// So we don't really care about this case.
if (castType == null)
return pos;
if ("java/lang/Object".equals(castType))
castType = null;
}
// The gap may include extra padding
// Write a nop in case the padding pushes the instruction forward
iterator.writeByte(NOP, pos);
CodeIterator.Gap gap
= iterator.insertGapAt(pos, castType != null ? 5 : 2, false);
pos = gap.position;
int mi = cp.addClassInfo(methodClassname);
int methodref = cp.addMethodrefInfo(mi, methodName, signature);
iterator.writeByte(INVOKESTATIC, pos);
iterator.write16bit(methodref, pos + 1);
if (castType != null) {
int index = cp.addClassInfo(castType);
iterator.writeByte(CHECKCAST, pos + 3);
iterator.write16bit(index, pos + 4);
}
pos = updatePos(pos, gap.length);
}
return pos;
}