Package com.facebook.presto.byteCode

Examples of com.facebook.presto.byteCode.Block.dup()

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        block.invokeDynamic(functionBinding.getName(), methodType, functionBinding.getBindingId());

        if (functionBinding.isNullable()) {
            if (unboxedReturnType.isPrimitive()) {
                LabelNode notNull = new LabelNode("notNull");
                block.dup(methodType.returnType())
                        .ifNotNullGoto(notNull)
                        .putVariable("wasNull", true)
                        .comment("swap boxed null with unboxed default")
                        .pop(methodType.returnType())
                        .pushJavaDefault(unboxedReturnType)
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                        .gotoLabel(end)
                        .visitLabel(notNull)
                        .append(ByteCodeUtils.unboxPrimitive(context, unboxedReturnType));
            }
            else {
                block.dup(methodType.returnType())
                        .ifNotNullGoto(end)
                        .putVariable("wasNull", true);
            }
        }
        block.visitLabel(end);
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        block.invokeDynamic(functionBinding.getName(), methodType, functionBinding.getBindingId());

        if (functionBinding.isNullable()) {
            if (unboxedReturnType.isPrimitive()) {
                LabelNode notNull = new LabelNode("notNull");
                block.dup(methodType.returnType())
                        .ifNotNullGoto(notNull)
                        .putVariable("wasNull", true)
                        .comment("swap boxed null with unboxed default")
                        .pop(methodType.returnType())
                        .pushJavaDefault(unboxedReturnType)
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                        .gotoLabel(end)
                        .visitLabel(notNull)
                        .append(unboxPrimitive(context, unboxedReturnType));
            }
            else {
                block.dup(methodType.returnType())
                        .ifNotNullGoto(end)
                        .putVariable("wasNull", true);
            }
        }
        block.visitLabel(end);
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        block.invokeDynamic(functionBinding.getName(), methodType, functionBinding.getBindingId());

        if (functionBinding.isNullable()) {
            if (unboxedReturnType.isPrimitive()) {
                LabelNode notNull = new LabelNode("notNull");
                block.dup(methodType.returnType())
                        .ifNotNullGoto(notNull)
                        .putVariable("wasNull", true)
                        .comment("swap boxed null with unboxed default")
                        .pop(methodType.returnType())
                        .pushJavaDefault(unboxedReturnType)
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                        .gotoLabel(end)
                        .visitLabel(notNull)
                        .append(unboxPrimitive(context, unboxedReturnType));
            }
            else {
                block.dup(methodType.returnType())
                        .ifNotNullGoto(end)
                        .putVariable("wasNull", true);
            }
        }
        block.visitLabel(end);
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        block.append(invoke(context, binding));

        if (function.isNullable()) {
            if (unboxedReturnType.isPrimitive()) {
                LabelNode notNull = new LabelNode("notNull");
                block.dup(methodType.returnType())
                        .ifNotNullGoto(notNull)
                        .putVariable("wasNull", true)
                        .comment("swap boxed null with unboxed default")
                        .pop(methodType.returnType())
                        .pushJavaDefault(unboxedReturnType)
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                        .gotoLabel(end)
                        .visitLabel(notNull)
                        .append(ByteCodeUtils.unboxPrimitive(context, unboxedReturnType));
            }
            else {
                block.dup(methodType.returnType())
                        .ifNotNullGoto(end)
                        .putVariable("wasNull", true);
            }
        }
        block.visitLabel(end);
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        block.append(invoke(context, binding, function.getSignature()));

        if (function.isNullable()) {
            if (unboxedReturnType.isPrimitive()) {
                LabelNode notNull = new LabelNode("notNull");
                block.dup(methodType.returnType())
                        .ifNotNullGoto(notNull)
                        .putVariable("wasNull", true)
                        .comment("swap boxed null with unboxed default")
                        .pop(methodType.returnType())
                        .pushJavaDefault(unboxedReturnType)
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                        .gotoLabel(end)
                        .visitLabel(notNull)
                        .append(unboxPrimitive(context, unboxedReturnType));
            }
            else {
                block.dup(methodType.returnType())
                        .ifNotNullGoto(end)
                        .putVariable("wasNull", true);
            }
        }
        block.visitLabel(end);
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