org.adoptopenjdk.jitwatch.jarscan.sequencecount.InstructionSequence Maven / Gradle / Ivy

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A Maven plugin that scans the project artifact and its dependencies for methods that cannot be inlined by the JIT compiler. It uses the JarScan utility from the JITWatch project to do that. See https://github.com/AdoptOpenJDK/jitwatch .

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/*
 * Copyright (c) 2013-2016 Chris Newland.
 * Licensed under https://github.com/AdoptOpenJDK/jitwatch/blob/master/LICENSE-BSD
 * Instructions: https://github.com/AdoptOpenJDK/jitwatch/wiki
 */
package org.adoptopenjdk.jitwatch.jarscan.sequencecount;

import java.util.ArrayList;
import java.util.List;

import org.adoptopenjdk.jitwatch.model.bytecode.Opcode;
import static org.adoptopenjdk.jitwatch.core.JITWatchConstants.S_COMMA;

public class InstructionSequence implements Comparable
{
	private List sequence = new ArrayList<>();

	public InstructionSequence(List opcodeList)
	{
		sequence.addAll(opcodeList);
	}

	@Override
	public String toString()
	{
		StringBuilder builder = new StringBuilder();

		for (Opcode opcode : sequence)
		{
			builder.append(opcode.getMnemonic()).append(S_COMMA);
		}

		builder.delete(builder.length() - 1, builder.length());

		return builder.toString();
	}

	public Opcode getOpcodeAtIndex(int index)
	{
		return sequence.get(index);
	}
	
	@Override
	public int hashCode()
	{
		return toString().hashCode();
	}

	@Override
	public boolean equals(Object obj)
	{
		return toString().equals(obj.toString());
	}

	@Override
	public int compareTo(InstructionSequence o)
	{
		return toString().compareTo(o.toString());
	}
}