com.facebook.buck.cxx.SharedLibraryInterfacePlatforms.java Source code

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Here is the source code for com.facebook.buck.cxx.SharedLibraryInterfacePlatforms.java

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/*
 * Copyright 2018-present Facebook, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License. You may obtain
 * a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package com.facebook.buck.cxx;

import com.facebook.buck.android.AndroidBuckConfig;
import com.facebook.buck.android.toolchain.ndk.AndroidNdk;
import com.facebook.buck.android.toolchain.ndk.NdkCompilerType;
import com.facebook.buck.android.toolchain.ndk.NdkCxxPlatformCompiler;
import com.facebook.buck.android.toolchain.ndk.NdkCxxRuntimeType;
import com.facebook.buck.android.toolchain.ndk.TargetCpuType;
import com.facebook.buck.android.toolchain.ndk.UnresolvedNdkCxxPlatform;
import com.facebook.buck.android.toolchain.ndk.impl.AndroidNdkHelper;
import com.facebook.buck.android.toolchain.ndk.impl.NdkCxxPlatforms;
import com.facebook.buck.core.config.BuckConfig;
import com.facebook.buck.core.rules.resolver.impl.TestActionGraphBuilder;
import com.facebook.buck.cxx.toolchain.CxxBuckConfig;
import com.facebook.buck.cxx.toolchain.CxxPlatform;
import com.facebook.buck.io.filesystem.ProjectFilesystem;
import com.facebook.buck.util.environment.Platform;
import com.google.common.collect.ImmutableMap;
import java.nio.file.Path;
import java.util.Optional;

/** Creates a test C++ platform using the NDK for testing shared library interfaces. */
public class SharedLibraryInterfacePlatforms {

    public static Optional<CxxPlatform> getTestPlatform(ProjectFilesystem filesystem, BuckConfig buckConfig,
            CxxBuckConfig cxxBuckConfig) {
        Optional<AndroidNdk> androidNdk = AndroidNdkHelper.detectAndroidNdk(filesystem);
        if (!androidNdk.isPresent()) {
            return Optional.empty();
        }

        Path ndkDir = androidNdk.get().getNdkRootPath();
        String ndkVersion = androidNdk.get().getNdkVersion();
        NdkCompilerType compilerType = NdkCxxPlatforms.getDefaultCompilerTypeForNdk(ndkVersion);
        String gccVersion = NdkCxxPlatforms.getDefaultGccVersionForNdk(ndkVersion);
        String clangVersion = NdkCxxPlatforms.getDefaultClangVersionForNdk(ndkVersion);
        String compilerVersion = compilerType == NdkCompilerType.GCC ? gccVersion : clangVersion;
        NdkCxxPlatformCompiler compiler = NdkCxxPlatformCompiler.builder().setType(compilerType)
                .setVersion(compilerVersion).setGccVersion(gccVersion).build();
        ImmutableMap<TargetCpuType, UnresolvedNdkCxxPlatform> ndkPlatforms = NdkCxxPlatforms.getPlatforms(
                cxxBuckConfig, new AndroidBuckConfig(buckConfig, Platform.detect()), filesystem, ndkDir, compiler,
                NdkCxxPlatforms.getDefaultCxxRuntimeForNdk(ndkVersion), NdkCxxRuntimeType.DYNAMIC,
                AndroidNdkHelper.getDefaultCpuAbis(ndkVersion), Platform.detect());
        // Just return one of the NDK platforms, which should be enough to test shared library interface
        // functionality.
        return Optional
                .of(ndkPlatforms.values().iterator().next().getCxxPlatform().resolve(new TestActionGraphBuilder()));
    }
}