Examples with CxxPythonExtension com.facebook.buck.python.CxxPythonExtension used on opensource projects

Example 1 with CxxPythonExtension

use of com.facebook.buck.python.CxxPythonExtension in project buck by facebook.

the class LuaBinaryDescription method getPackageComponentsFromDeps.

private LuaBinaryPackageComponents getPackageComponentsFromDeps(BuildRuleParams baseParams, BuildRuleResolver ruleResolver, SourcePathResolver pathResolver, SourcePathRuleFinder ruleFinder, final CxxPlatform cxxPlatform, final PythonPlatform pythonPlatform, Optional<BuildTarget> nativeStarterLibrary, String mainModule, LuaConfig.PackageStyle packageStyle, Iterable<BuildRule> deps) throws NoSuchBuildTargetException {
    final LuaPackageComponents.Builder builder = LuaPackageComponents.builder();
    final OmnibusRoots.Builder omnibusRoots = OmnibusRoots.builder(cxxPlatform, ImmutableSet.of());
    final Map<BuildTarget, NativeLinkable> nativeLinkableRoots = new LinkedHashMap<>();
    final Map<BuildTarget, CxxLuaExtension> luaExtensions = new LinkedHashMap<>();
    final Map<BuildTarget, CxxPythonExtension> pythonExtensions = new LinkedHashMap<>();
    // Walk the deps to find all Lua packageables and native linkables.
    new AbstractBreadthFirstThrowingTraversal<BuildRule, NoSuchBuildTargetException>(deps) {

        private final ImmutableSet<BuildRule> empty = ImmutableSet.of();

        @Override
        public ImmutableSet<BuildRule> visit(BuildRule rule) throws NoSuchBuildTargetException {
            ImmutableSet<BuildRule> deps = empty;
            if (rule instanceof LuaPackageable) {
                LuaPackageable packageable = (LuaPackageable) rule;
                LuaPackageComponents components = packageable.getLuaPackageComponents();
                LuaPackageComponents.addComponents(builder, components);
                if (components.hasNativeCode(cxxPlatform)) {
                    for (BuildRule dep : rule.getDeps()) {
                        if (dep instanceof NativeLinkable) {
                            NativeLinkable linkable = (NativeLinkable) dep;
                            nativeLinkableRoots.put(linkable.getBuildTarget(), linkable);
                            omnibusRoots.addExcludedRoot(linkable);
                        }
                    }
                }
                deps = rule.getDeps();
            } else if (rule instanceof CxxPythonExtension) {
                CxxPythonExtension extension = (CxxPythonExtension) rule;
                NativeLinkTarget target = extension.getNativeLinkTarget(pythonPlatform);
                pythonExtensions.put(target.getBuildTarget(), (CxxPythonExtension) rule);
                omnibusRoots.addIncludedRoot(target);
            } else if (rule instanceof PythonPackagable) {
                PythonPackagable packageable = (PythonPackagable) rule;
                PythonPackageComponents components = packageable.getPythonPackageComponents(pythonPlatform, cxxPlatform);
                builder.putAllPythonModules(MoreMaps.transformKeys(components.getModules(), Object::toString));
                builder.putAllNativeLibraries(MoreMaps.transformKeys(components.getNativeLibraries(), Object::toString));
                if (components.hasNativeCode(cxxPlatform)) {
                    for (BuildRule dep : rule.getDeps()) {
                        if (dep instanceof NativeLinkable) {
                            NativeLinkable linkable = (NativeLinkable) dep;
                            nativeLinkableRoots.put(linkable.getBuildTarget(), linkable);
                            omnibusRoots.addExcludedRoot(linkable);
                        }
                    }
                }
                deps = rule.getDeps();
            } else if (rule instanceof CxxLuaExtension) {
                CxxLuaExtension extension = (CxxLuaExtension) rule;
                luaExtensions.put(extension.getBuildTarget(), extension);
                omnibusRoots.addIncludedRoot(extension);
            } else if (rule instanceof NativeLinkable) {
                NativeLinkable linkable = (NativeLinkable) rule;
                nativeLinkableRoots.put(linkable.getBuildTarget(), linkable);
                omnibusRoots.addPotentialRoot(linkable);
            }
            return deps;
        }
    }.start();
    // Build the starter.
    Starter starter = createStarter(baseParams, ruleResolver, pathResolver, ruleFinder, cxxPlatform, nativeStarterLibrary, mainModule, packageStyle, !nativeLinkableRoots.isEmpty() || !omnibusRoots.isEmpty());
    SourcePath starterPath = null;
    if (luaConfig.getNativeLinkStrategy() == NativeLinkStrategy.MERGED) {
        // If we're using a native starter, include it in omnibus linking.
        if (starter instanceof NativeExecutableStarter) {
            NativeExecutableStarter nativeStarter = (NativeExecutableStarter) starter;
            omnibusRoots.addIncludedRoot(nativeStarter);
        }
        // Build the omnibus libraries.
        OmnibusRoots roots = omnibusRoots.build();
        OmnibusLibraries libraries = Omnibus.getSharedLibraries(baseParams, ruleResolver, ruleFinder, cxxBuckConfig, cxxPlatform, ImmutableList.of(), roots.getIncludedRoots().values(), roots.getExcludedRoots().values());
        // Add all the roots from the omnibus link.  If it's an extension, add it as a module.
        for (Map.Entry<BuildTarget, OmnibusRoot> root : libraries.getRoots().entrySet()) {
            // If it's a Lua extension add it as a module.
            CxxLuaExtension luaExtension = luaExtensions.get(root.getKey());
            if (luaExtension != null) {
                builder.putModules(luaExtension.getModule(cxxPlatform), root.getValue().getPath());
                continue;
            }
            // If it's a Python extension, add it as a python module.
            CxxPythonExtension pythonExtension = pythonExtensions.get(root.getKey());
            if (pythonExtension != null) {
                builder.putPythonModules(pythonExtension.getModule().toString(), root.getValue().getPath());
                continue;
            }
            // A root named after the top-level target is our native starter.
            if (root.getKey().equals(baseParams.getBuildTarget())) {
                starterPath = root.getValue().getPath();
                continue;
            }
            // Otherwise, add it as a native library.
            NativeLinkTarget target = Preconditions.checkNotNull(roots.getIncludedRoots().get(root.getKey()), "%s: linked unexpected omnibus root: %s", baseParams.getBuildTarget(), root.getKey());
            NativeLinkTargetMode mode = target.getNativeLinkTargetMode(cxxPlatform);
            String soname = Preconditions.checkNotNull(mode.getLibraryName().orElse(null), "%s: omnibus library for %s was built without soname", baseParams.getBuildTarget(), root.getKey());
            builder.putNativeLibraries(soname, root.getValue().getPath());
        }
        // Add all remaining libraries as native libraries.
        for (OmnibusLibrary library : libraries.getLibraries()) {
            builder.putNativeLibraries(library.getSoname(), library.getPath());
        }
    } else {
        // roots.
        for (Map.Entry<BuildTarget, CxxLuaExtension> entry : luaExtensions.entrySet()) {
            CxxLuaExtension extension = entry.getValue();
            builder.putModules(extension.getModule(cxxPlatform), extension.getExtension(cxxPlatform));
            nativeLinkableRoots.putAll(Maps.uniqueIndex(extension.getNativeLinkTargetDeps(cxxPlatform), NativeLinkable::getBuildTarget));
        }
        // Add in native executable deps.
        if (starter instanceof NativeExecutableStarter) {
            NativeExecutableStarter executableStarter = (NativeExecutableStarter) starter;
            nativeLinkableRoots.putAll(Maps.uniqueIndex(executableStarter.getNativeStarterDeps(), NativeLinkable::getBuildTarget));
        }
        // python-platform specific deps to the native linkables.
        for (Map.Entry<BuildTarget, CxxPythonExtension> entry : pythonExtensions.entrySet()) {
            PythonPackageComponents components = entry.getValue().getPythonPackageComponents(pythonPlatform, cxxPlatform);
            builder.putAllPythonModules(MoreMaps.transformKeys(components.getModules(), Object::toString));
            builder.putAllNativeLibraries(MoreMaps.transformKeys(components.getNativeLibraries(), Object::toString));
            nativeLinkableRoots.putAll(Maps.uniqueIndex(entry.getValue().getNativeLinkTarget(pythonPlatform).getNativeLinkTargetDeps(cxxPlatform), NativeLinkable::getBuildTarget));
        }
        // Add shared libraries from all native linkables.
        for (NativeLinkable nativeLinkable : NativeLinkables.getTransitiveNativeLinkables(cxxPlatform, nativeLinkableRoots.values()).values()) {
            NativeLinkable.Linkage linkage = nativeLinkable.getPreferredLinkage(cxxPlatform);
            if (linkage != NativeLinkable.Linkage.STATIC) {
                builder.putAllNativeLibraries(nativeLinkable.getSharedLibraries(cxxPlatform));
            }
        }
    }
    // building one directly from the starter.
    if (starterPath == null) {
        starterPath = starter.build();
    }
    return LuaBinaryPackageComponents.of(starterPath, builder.build());
}