/*
 * Copyright (c) 2018, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.oracle.svm.hosted.code;

import java.nio.file.Path;
import java.util.Map;

import org.graalvm.compiler.api.replacements.SnippetReflectionProvider;
import org.graalvm.compiler.debug.DebugHandlersFactory;
import org.graalvm.compiler.graph.Node;
import org.graalvm.compiler.nodes.java.LoadExceptionObjectNode;
import org.graalvm.compiler.options.OptionValues;
import org.graalvm.compiler.phases.util.Providers;
import org.graalvm.nativeimage.ImageSingletons;
import org.graalvm.nativeimage.Platform;
import org.graalvm.nativeimage.hosted.Feature;

import com.oracle.svm.core.SubstrateOptions;
import com.oracle.svm.core.annotate.AutomaticFeature;
import com.oracle.svm.core.graal.GraalFeature;
import com.oracle.svm.core.graal.meta.RuntimeConfiguration;
import com.oracle.svm.core.graal.snippets.ExceptionSnippets;
import com.oracle.svm.core.graal.snippets.NodeLoweringProvider;
import com.oracle.svm.hosted.image.LIRNativeImageCodeCache;
import com.oracle.svm.hosted.image.NativeImageCodeCache;
import com.oracle.svm.hosted.image.NativeImageCodeCacheFactory;
import com.oracle.svm.hosted.image.NativeImageHeap;

@AutomaticFeature
class SubstrateLIRBackendFeature implements Feature, GraalFeature {
    @Override
    public boolean isInConfiguration(IsInConfigurationAccess access) {
        return !SubstrateOptions.useLLVMBackend();
    }

    @Override
    public void afterRegistration(AfterRegistrationAccess access) {
        ImageSingletons.add(NativeImageCodeCacheFactory.class, new NativeImageCodeCacheFactory() {
            @Override
            public NativeImageCodeCache newCodeCache(CompileQueue compileQueue, NativeImageHeap heap, Platform targetPlatform, Path tempDir) {
                return new LIRNativeImageCodeCache(compileQueue.getCompilations(), heap);
            }
        });
    }

    @Override
    public void registerLowerings(RuntimeConfiguration runtimeConfig, OptionValues options, Iterable<DebugHandlersFactory> factories, Providers providers, SnippetReflectionProvider snippetReflection,
                    Map<Class<? extends Node>, NodeLoweringProvider<?>> lowerings, boolean hosted) {
        lowerings.put(LoadExceptionObjectNode.class, new ExceptionSnippets.LoadExceptionObjectLowering());
    }
}