/*
 * Copyright (c) 2016, 2018, Oracle and/or its affiliates.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other materials provided
 * with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific prior written
 * permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.oracle.truffle.llvm.asm.amd64;

import com.oracle.truffle.llvm.runtime.types.PrimitiveType;
import com.oracle.truffle.llvm.runtime.types.Type;

class AsmArgumentOperand implements AsmOperand {
    private final int index;
    private final int size;
    private final int shift;

    AsmArgumentOperand(int index) {
        this(index, -1, -1);
    }

    AsmArgumentOperand(int index, int size, int shift) {
        this.index = index;
        this.size = size;
        this.shift = shift;
    }

    public int getIndex() {
        return index;
    }

    public int getSize() {
        return size;
    }

    public int getShift() {
        return shift;
    }

    @Override
    public Type getType() {
        switch (size) {
            case 8:
                return PrimitiveType.I8;
            case 16:
                return PrimitiveType.I16;
            case 32:
                return PrimitiveType.I32;
            case 64:
                return PrimitiveType.I64;
            default:
                return null;
        }
    }

    @Override
    public String toString() {
        return "%" + index;
    }
}