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

org.objectweb.asm.MethodVisitor.visitTypeInsn()
Visits a type instruction. A type instruction is an instruction that takes a type descriptor as parameter. @param opcode the opcode of the type instruction to be visited. Thisopcode is either NEW, ANEWARRAY, CHECKCAST or INSTANCEOF. @param desc the operand of the instruction to be visited. This operand ismust be a fully qualified class name in internal form, or the type descriptor of an array type (see {@link Type Type}).


    Label fail = new Label();


    mv.visitJumpInsn(Opcodes.IF_ICMPNE, fail);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitTypeInsn(Opcodes.CHECKCAST, ETUPLE_NAME + n);
    mv.visitInsn(Opcodes.ARETURN);


    mv.visitLabel(fail);
    mv.visitInsn(Opcodes.ACONST_NULL);
    mv.visitInsn(Opcodes.ARETURN);

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        + ETUPLE_NAME + n + ";", null, null);
    mv.visitCode();


    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitInsn(Opcodes.DUP);
    mv.visitTypeInsn(Opcodes.INSTANCEOF, ETUPLE_NAME + n);
    
    Label fail = new Label();


    mv.visitJumpInsn(Opcodes.IFEQ, fail);
    mv.visitVarInsn(Opcodes.ALOAD, 0);

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    Label fail = new Label();


    mv.visitJumpInsn(Opcodes.IFEQ, fail);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitTypeInsn(Opcodes.CHECKCAST, ETUPLE_NAME + n);
    mv.visitInsn(Opcodes.ARETURN);


    mv.visitLabel(fail);
    mv.visitInsn(Opcodes.ACONST_NULL);
    mv.visitInsn(Opcodes.ARETURN);

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    mv.visitMethodInsn(INVOKESPECIAL, ECOMPILEDMODULE_NAME,
        "registerImportsAndExports", "()V");


    for (Lambda l : lambdas_xx.values()) {


      mv.visitTypeInsn(NEW, Type.getInternalName(LocalFunID.class));
      mv.visitInsn(DUP);


      module_name.emit_const(mv);
      l.fun.emit_const(mv);
      push_int(mv, l.arity);

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      mv.visitInsn(I2L);
      mv.visitFieldInsn(GETSTATIC, full_inner_name, "old_uniq", "I");
      mv.visitInsn(I2L);


      mv.visitLdcInsn(new Integer(freevars));
      mv.visitTypeInsn(ANEWARRAY, EOBJECT_NAME);


      for (int i = 0; i < freevars; i++) {
        mv.visitInsn(DUP);


        if (i <= 5) {

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                "(" + EOBJECT_DESC + ")L" + EFUN_NAME + n + ";",
                null, null);
        mv.visitCode();


        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitTypeInsn(INSTANCEOF, EFUN_NAME+n);


        Label fail = new Label();


        mv.visitJumpInsn(Opcodes.IFEQ, fail);
        mv.visitVarInsn(Opcodes.ALOAD, 0);

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        Label fail = new Label();


        mv.visitJumpInsn(Opcodes.IFEQ, fail);
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitTypeInsn(Opcodes.CHECKCAST, EFUN_NAME+n);
        mv.visitInsn(Opcodes.ARETURN);


        mv.visitLabel(fail);
        mv.visitInsn(Opcodes.ACONST_NULL);
        mv.visitInsn(Opcodes.ARETURN);

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        mv.visitJumpInsn(IFNONNULL, l1);
        Label l2 = new Label();
        mv.visitLabel(l2);
        mv.visitLineNumber(64, l2);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitTypeInsn(NEW, collectionImplClass);
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, collectionImplClass, "<init>", "()V");
        mv.visitFieldInsn(PUTFIELD, classDescriptor, fieldName, propClassSignature);
        mv.visitLabel(l1);
        mv.visitLineNumber(66, l1);

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        Label isNull = new Label();
        mv.visitVarInsn(ALOAD, varSvc); // Load the service
        mv.visitJumpInsn(IFNONNULL, notNull); // If not null go to not null
        // Null branch - throw the exception
        mv.visitLabel(isNull);
        mv.visitTypeInsn(NEW, "java/lang/RuntimeException");
        mv.visitInsn(DUP);
        mv.visitLdcInsn("No service available");
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/RuntimeException", "<init>", "(Ljava/lang/String;)V");
        mv.visitInsn(ATHROW);
        // End of the null branch

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      mv.visitLabel(l0);
      mv.visitVarInsn(ALOAD, 1);
      mv.visitVarInsn(ALOAD, 2);
      Label l1 = new Label();
      mv.visitLabel(l1);
      mv.visitTypeInsn(NEW, "org/renjin/eval/DoubleVector");
      mv.visitInsn(DUP);
      mv.visitInsn(ICONST_1);
      mv.visitIntInsn(NEWARRAY, T_DOUBLE);
      mv.visitInsn(DUP);
      mv.visitInsn(ICONST_0);

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