/*
 * Copyright (c) 2016, Oracle and/or its affiliates.
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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:
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 * 1. Redistributions of source code must retain the above copyright notice, this list of
 * conditions and the following disclaimer.
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 * 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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package com.oracle.truffle.llvm.nodes.intrinsics.interop;

import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.dsl.NodeChild;
import com.oracle.truffle.api.dsl.NodeChildren;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.interop.ForeignAccess;
import com.oracle.truffle.api.interop.Message;
import com.oracle.truffle.api.interop.TruffleObject;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.llvm.nodes.intrinsics.llvm.LLVMIntrinsic;
import com.oracle.truffle.llvm.runtime.LLVMTruffleObject;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;

public final class LLVMTruffleBinary {
    private static void checkLLVMTruffleObject(LLVMTruffleObject value) {
        if (value.getOffset() != 0 || value.getName() != null) {
            CompilerDirectives.transferToInterpreterAndInvalidate();
            throw new IllegalAccessError("Pointee must be unmodified");
        }
    }

    @NodeChildren({@NodeChild(type = LLVMExpressionNode.class)})
    public abstract static class LLVMTruffleIsBoxed extends LLVMIntrinsic {

        @Child private Node foreignIsBoxed = Message.IS_BOXED.createNode();

        @Specialization
        public boolean executeIntrinsic(LLVMTruffleObject value) {
            checkLLVMTruffleObject(value);
            return ForeignAccess.sendIsBoxed(foreignIsBoxed, value.getObject());
        }

        @Specialization
        public boolean executeIntrinsic(TruffleObject value) {
            return ForeignAccess.sendIsBoxed(foreignIsBoxed, value);
        }
    }

    @NodeChildren({@NodeChild(type = LLVMExpressionNode.class)})
    public abstract static class LLVMTruffleIsExecutable extends LLVMIntrinsic {

        @Child private Node foreignIsExecutable = Message.IS_EXECUTABLE.createNode();

        @Specialization
        public boolean executeIntrinsic(LLVMTruffleObject value) {
            checkLLVMTruffleObject(value);
            return ForeignAccess.sendIsExecutable(foreignIsExecutable, value.getObject());
        }

        @Specialization
        public boolean executeIntrinsic(TruffleObject value) {
            return ForeignAccess.sendIsExecutable(foreignIsExecutable, value);
        }
    }

    @NodeChildren({@NodeChild(type = LLVMExpressionNode.class)})
    public abstract static class LLVMTruffleIsNull extends LLVMIntrinsic {

        @Child private Node foreignIsNull = Message.IS_NULL.createNode();

        @Specialization
        public boolean executeIntrinsic(LLVMTruffleObject value) {
            checkLLVMTruffleObject(value);
            return ForeignAccess.sendIsNull(foreignIsNull, value.getObject());
        }

        @Specialization
        public boolean executeIntrinsic(TruffleObject value) {
            return ForeignAccess.sendIsNull(foreignIsNull, value);
        }
    }

    @NodeChildren({@NodeChild(type = LLVMExpressionNode.class)})
    public abstract static class LLVMTruffleHasSize extends LLVMIntrinsic {

        @Child private Node foreignHasSize = Message.HAS_SIZE.createNode();

        @Specialization
        public boolean executeIntrinsic(LLVMTruffleObject value) {
            checkLLVMTruffleObject(value);
            return ForeignAccess.sendHasSize(foreignHasSize, value.getObject());
        }

        @Specialization
        public boolean executeIntrinsic(TruffleObject value) {
            return ForeignAccess.sendHasSize(foreignHasSize, value);
        }
    }
}