Example usage for org.objectweb.asm.tree.analysis Interpreter unaryOperation

Introduction

In this page you can find the example usage for org.objectweb.asm.tree.analysis Interpreter unaryOperation.

Prototype

public abstract V unaryOperation(AbstractInsnNode insn, V value) throws AnalyzerException;

Source Link

Document

Interprets a bytecode instruction with a single argument.

Usage

From source file:com.dragome.callbackevictor.serverside.bytecode.transformation.asm.MonitoringFrame.java

License:Apache License

public void execute(AbstractInsnNode insn, Interpreter interpreter) throws AnalyzerException {

    boolean never = false;
    if (never) {//from  w w w . j a  v  a 2 s  .c  o m
        super.execute(insn, interpreter);
        return;
    }

    int insnOpcode = insn.getOpcode();

    if (insnOpcode == Opcodes.MONITORENTER || insnOpcode == Opcodes.MONITOREXIT) {
        Value pop = pop();
        interpreter.unaryOperation(insn, pop);

        int local = -1;
        for (int i = 0; i < getLocals(); i++) {
            if (getLocal(i) == pop)
                local = i;
        }

        if (local > -1) {
            if (insnOpcode == Opcodes.MONITORENTER) {
                monitorEnter(local);
            } else {
                monitorExit(local);
            }
        }

    } else {
        super.execute(insn, interpreter);
    }
}

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