AJP/DiSLProject2022/src-profiler/ex6/Instrumentation.java

package ex6;

import ch.usi.dag.disl.annotation.Before;
import ch.usi.dag.disl.marker.BytecodeMarker;
import ch.usi.dag.disl.staticcontext.MethodStaticContext;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.util.Printer;

public class Instrumentation {

    final static String[] BRANCH_OP_NAMES  = new String[]{
            Printer.OPCODES[Opcodes.GOTO],
            Printer.OPCODES[Opcodes.IF_ACMPEQ],
            Printer.OPCODES[Opcodes.IF_ACMPNE],
            Printer.OPCODES[Opcodes.IF_ICMPEQ],
            Printer.OPCODES[Opcodes.IF_ICMPGE],
            Printer.OPCODES[Opcodes.IF_ICMPLE],
            Printer.OPCODES[Opcodes.IF_ICMPGT],
            Printer.OPCODES[Opcodes.IF_ICMPLT],
            Printer.OPCODES[Opcodes.IF_ICMPNE]
    };
//    static final String BRANCH_OP_NAMES_STRING = String.join(",", BRANCH_OP_NAMES);
    static final String BRANCH_OP_NAMES_STRING = "GOTO,IF_ACMPEQ,IF_ACMPNE,IF_ICMPEQ,IF_ICMPGE,IF_ICMPLE,IF_ICMPGT,IF_ICMPLT,IF_ICMPNE";


    @Before(marker = BytecodeMarker.class, args = BRANCH_OP_NAMES_STRING, scope = "ex6.MainThread.*", guard = IsLoopInstructionGuard.class)
    static void handleLoopInstruction(MethodStaticContext mc) {
        final String methodName = mc.thisMethodFullName();
        Profiler.countLoop(methodName);

    }
}