/*
 * Copyright (c) 2016, 2019, Oracle and/or its affiliates.
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 * All rights reserved.
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 * 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
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 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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package com.oracle.truffle.llvm.runtime.nodes.cast;

import com.oracle.truffle.api.dsl.NodeChild;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.llvm.runtime.interop.access.LLVMInteropType;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;
import com.oracle.truffle.llvm.runtime.pointer.LLVMNativePointer;
import com.oracle.truffle.llvm.runtime.pointer.LLVMPointer;

@NodeChild(value = "fromNode", type = LLVMExpressionNode.class)
public abstract class LLVMToAddressNode extends LLVMExpressionNode {
    public abstract Object executeWithTarget(Object from);

    @Specialization
    protected LLVMNativePointer doI1(boolean from) {
        return LLVMNativePointer.create(from ? 1 : 0);
    }

    @Specialization
    protected LLVMNativePointer doI8(byte from) {
        return LLVMNativePointer.create(LLVMExpressionNode.I8_MASK & (long) from);
    }

    @Specialization
    protected LLVMNativePointer doI16(short from) {
        return LLVMNativePointer.create(LLVMExpressionNode.I16_MASK & (long) from);
    }

    @Specialization
    protected LLVMNativePointer doI32(int from) {
        return LLVMNativePointer.create(LLVMExpressionNode.I32_MASK & from);
    }

    @Specialization
    protected LLVMNativePointer doI64(long from) {
        return LLVMNativePointer.create(from);
    }

    @Specialization
    protected LLVMPointer doLLVMPointer(LLVMPointer from) {
        return from;
    }

    @Specialization
    protected LLVMInteropType doInteropType(LLVMInteropType from) {
        return from;
    }

    @Specialization
    protected String doString(String from) {
        return from;
    }
}