Package org.objectweb.asm

Examples of org.objectweb.asm.MethodVisitor.visitCode()

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  private void writeSexp() {
    MethodVisitor mv = cv.visitMethod(ACC_PRIVATE + ACC_STATIC,
        "createSexp", "()Lorg/renjin/sexp;", null, null);
    mv.visitCode();
    ConstantGeneratingVisitor cgv = new ConstantGeneratingVisitor(mv);
    thunk.getSExpression().accept(cgv);
    mv.visitInsn(ARETURN);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
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    mv.visitEnd();
  }

  private void writeCompute(DeferredNode node) {
    MethodVisitor mv = cv.visitMethod(ACC_PUBLIC, "compute", "([Lorg/renjin/sexp/Vector;)[D", null, null);
    mv.visitCode();

    ComputeMethod methodContext = new ComputeMethod(mv);

    FunctionJitter function = getFunction(node);
    function.compute(methodContext, node);
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        fv.visitEnd();
       
        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>",
                            "(Ljava/util/Map;)V",
                            "(Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;)V", null);
        mv.visitCode();
        Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(30, l0);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL,
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        mv.visitEnd();

        mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getPreferredPrefix",
                            "(Ljava/lang/String;Ljava/lang/String;Z)Ljava/lang/String;",
                            null, null);
        mv.visitCode();
        l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(38, l0);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD,
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        //
        // public void setAccessibleField(Object owner, Object value, int fieldIndex)
        // rule.setAccessibleField(owner, value, fieldIndex);
        {
        mv = cw.visitMethod(ACC_PUBLIC, "setAccessibleField", "(Ljava/lang/Object;Ljava/lang/Object;I)V", null, null);
        mv.visitCode();
        // rule.setAccessibleField(owner, value, fieldIndex);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, compiledHelperName, "rule", "Lorg/jboss/byteman/rule/Rule;");
        mv.visitVarInsn(ALOAD, 1);
        mv.visitVarInsn(ALOAD, 2);
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        //
        // public Object invokeAccessibleMethod(Object target, Object[] args, int methodIndex)
        // {TOS} <==  rule.invokeAccessibleMethod(target, args, methodIndex);
        {
        mv = cw.visitMethod(ACC_PUBLIC, "invokeAccessibleMethod", "(Ljava/lang/Object;[Ljava/lang/Object;I)Ljava/lang/Object;", null, null);
        mv.visitCode();
        // rule.invokeAccessibleMethod(target, args, fieldIndex);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, compiledHelperName, "rule", "Lorg/jboss/byteman/rule/Rule;");
        mv.visitVarInsn(ALOAD, 1);
        mv.visitVarInsn(ALOAD, 2);
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            {
            // create the execute0() method
            //
            // private void execute0()
            mv = cw.visitMethod(ACC_PRIVATE, "execute0", "()V", null, new String[] { "org/jboss/byteman/rule/exception/ExecuteException" });
            mv.visitCode();
            compileContext.addLocalCount(3); // for this and 2 object args
            // bind();
            rule.getEvent().compile(mv, compileContext);
            // if (test())
            rule.getCondition().compile(mv, compileContext);
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            {
            // create the execute0() method
            //
            // private void execute0()
            mv = cw.visitMethod(ACC_PRIVATE, "execute0", "()V", null, new String[] { "org/jboss/byteman/rule/exception/ExecuteException" });
            mv.visitCode();
            // bind();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, compiledHelperName, "bind", "()V");
            // if (test())
            mv.visitVarInsn(ALOAD, 0);
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            {
            // create the bind method
            //
            // private void bind()
            mv = cw.visitMethod(ACC_PRIVATE, "bind", "()V", null, new String[] { "org/jboss/byteman/rule/exception/ExecuteException" });
            mv.visitCode();
            // rule.getEvent().interpret(this);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, compiledHelperName, "rule", "Lorg/jboss/byteman/rule/Rule;");
            mv.visitMethodInsn(INVOKEVIRTUAL, "org/jboss/byteman/rule/Rule", "getEvent", "()Lorg/jboss/byteman/rule/Event;");
            mv.visitVarInsn(ALOAD, 0);
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            {
            // create the test method
            //
            // private boolean test()
            mv = cw.visitMethod(ACC_PRIVATE, "test", "()Z", null, new String[] { "org/jboss/byteman/rule/exception/ExecuteException" });
            mv.visitCode();
            // {TOS} <== rule.getCondition().interpret(this);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, compiledHelperName, "rule", "Lorg/jboss/byteman/rule/Rule;");
            mv.visitMethodInsn(INVOKEVIRTUAL, "org/jboss/byteman/rule/Rule", "getCondition", "()Lorg/jboss/byteman/rule/Condition;");
            mv.visitVarInsn(ALOAD, 0);
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