com.android.dx.cf.code.BootstrapMethodArgumentsList Maven / Gradle / Ivy
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.dx.cf.code;
import com.android.dx.rop.cst.Constant;
import com.android.dx.rop.cst.CstDouble;
import com.android.dx.rop.cst.CstFloat;
import com.android.dx.rop.cst.CstInteger;
import com.android.dx.rop.cst.CstLong;
import com.android.dx.rop.cst.CstMethodHandle;
import com.android.dx.rop.cst.CstProtoRef;
import com.android.dx.rop.cst.CstString;
import com.android.dx.rop.cst.CstType;
import com.android.dx.util.FixedSizeList;
/**
* List of bootstrap method arguments, which are part of the contents of
* {@code BootstrapMethods} attributes.
*/
public class BootstrapMethodArgumentsList extends FixedSizeList {
/**
* Constructs an instance.
*
* @param count the number of elements to be in the list
*/
public BootstrapMethodArgumentsList(int count) {
super(count);
}
/**
* Gets the bootstrap argument from the indicated position.
*
* @param n position of argument to get
* @return {@code Constant} instance
*/
public Constant get(int n) {
return (Constant) get0(n);
}
/**
* Sets the bootstrap argument at the indicated position.
*
* @param n position of argument to set
* @param cst {@code Constant} instance
*/
public void set(int n, Constant cst) {
// The set of permitted types is defined by the JVMS 8, section 4.7.23.
if (cst instanceof CstString ||
cst instanceof CstType ||
cst instanceof CstInteger ||
cst instanceof CstLong ||
cst instanceof CstFloat ||
cst instanceof CstDouble ||
cst instanceof CstMethodHandle ||
cst instanceof CstProtoRef) {
set0(n, cst);
} else {
Class klass = cst.getClass();
throw new IllegalArgumentException("bad type for bootstrap argument: " + klass);
}
}
}