/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You 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 org.apache.geode.codeAnalysis.decode;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOException;
public class CompiledCode {
public int max_stack;
public int max_locals;
public int code_length;
public byte code[];
public int exception_table_length;
ExceptionTableEntry exceptionTable[];
public int attributes_count;
public CompiledAttribute attributes_info[];
CompiledCode(byte[] code_block) throws IOException {
int idx;
ByteArrayInputStream bis = new ByteArrayInputStream(code_block);
DataInputStream source = new DataInputStream(bis);
max_stack = source.readUnsignedShort();
max_locals = source.readUnsignedShort();
code_length = source.readInt();
code = new byte[code_length];
source.read(code);
exception_table_length = source.readUnsignedShort();
exceptionTable = new ExceptionTableEntry[exception_table_length];
for (int i = 0; i < exception_table_length; i++) {
exceptionTable[i] = new ExceptionTableEntry(source);
}
attributes_count = source.readUnsignedShort();
attributes_info = new CompiledAttribute[attributes_count];
for (idx = 0; idx < attributes_count; idx++) {
attributes_info[idx] = new CompiledAttribute(source);
}
}
public static class ExceptionTableEntry {
public int start_pc;
public int end_pc;
public int handler_pc;
public int catch_type;
ExceptionTableEntry(DataInputStream source) throws IOException {
start_pc = source.readUnsignedShort();
end_pc = source.readUnsignedShort();
handler_pc = source.readUnsignedShort();
catch_type = source.readUnsignedShort();
}
}
}