Examples with ConfigMatchingProvider com.google.devtools.build.lib.analysis.config.ConfigMatchingProvider used on opensource projects

Example 1 with ConfigMatchingProvider

use of com.google.devtools.build.lib.analysis.config.ConfigMatchingProvider in project bazel by bazelbuild.

the class ConfiguredAttributeMapper method resolveSelector.

private <T> ConfigKeyAndValue<T> resolveSelector(String attributeName, Selector<T> selector) throws EvalException {
    ConfigMatchingProvider matchingCondition = null;
    Set<Label> conditionLabels = new LinkedHashSet<>();
    ConfigKeyAndValue<T> matchingResult = null;
    // Find the matching condition and record its value (checking for duplicates).
    for (Map.Entry<Label, T> entry : selector.getEntries().entrySet()) {
        Label selectorKey = entry.getKey();
        if (BuildType.Selector.isReservedLabel(selectorKey)) {
            continue;
        }
        ConfigMatchingProvider curCondition = configConditions.get(rule.getLabel().resolveRepositoryRelative(selectorKey));
        if (curCondition == null) {
            // This can happen if the rule is in error
            continue;
        }
        conditionLabels.add(curCondition.label());
        if (curCondition.matches()) {
            if (matchingCondition == null || curCondition.refines(matchingCondition)) {
                // A match is valid if either this is the *only* condition that matches or this is a
                // more "precise" specification of another matching condition (in which case we choose
                // the most precise one).
                matchingCondition = curCondition;
                matchingResult = new ConfigKeyAndValue<>(selectorKey, entry.getValue());
            } else if (matchingCondition.refines(curCondition)) {
            // The originally matching conditions is more precise, so keep that one.
            } else {
                throw new EvalException(rule.getAttributeLocation(attributeName), "Both " + matchingCondition.label() + " and " + curCondition.label() + " match configurable attribute \"" + attributeName + "\" in " + getLabel() + ". Multiple matches are not allowed unless one is a specialization of the other");
            }
        }
    }
    // If nothing matched, choose the default condition.
    if (matchingCondition == null) {
        if (!selector.hasDefault()) {
            String noMatchMessage = "Configurable attribute \"" + attributeName + "\" doesn't match this configuration";
            if (!selector.getNoMatchError().isEmpty()) {
                noMatchMessage += ": " + selector.getNoMatchError();
            } else {
                noMatchMessage += " (would a default condition help?).\nConditions checked:\n " + Joiner.on("\n ").join(conditionLabels);
            }
            throw new EvalException(rule.getAttributeLocation(attributeName), noMatchMessage);
        }
        matchingResult = selector.hasDefault() ? new ConfigKeyAndValue<>(Selector.DEFAULT_CONDITION_LABEL, selector.getDefault()) : null;
    }
    return matchingResult;
}

Example 2 with ConfigMatchingProvider

use of com.google.devtools.build.lib.analysis.config.ConfigMatchingProvider in project bazel by bazelbuild.

the class AspectFunction method compute.

@Nullable
@Override
public SkyValue compute(SkyKey skyKey, Environment env) throws AspectFunctionException, InterruptedException {
    SkyframeBuildView view = buildViewProvider.getSkyframeBuildView();
    NestedSetBuilder<Package> transitivePackages = NestedSetBuilder.stableOrder();
    NestedSetBuilder<Label> transitiveRootCauses = NestedSetBuilder.stableOrder();
    AspectKey key = (AspectKey) skyKey.argument();
    ConfiguredAspectFactory aspectFactory;
    Aspect aspect;
    if (key.getAspectClass() instanceof NativeAspectClass) {
        NativeAspectClass nativeAspectClass = (NativeAspectClass) key.getAspectClass();
        aspectFactory = (ConfiguredAspectFactory) nativeAspectClass;
        aspect = Aspect.forNative(nativeAspectClass, key.getParameters());
    } else if (key.getAspectClass() instanceof SkylarkAspectClass) {
        SkylarkAspectClass skylarkAspectClass = (SkylarkAspectClass) key.getAspectClass();
        SkylarkAspect skylarkAspect;
        try {
            skylarkAspect = loadSkylarkAspect(env, skylarkAspectClass.getExtensionLabel(), skylarkAspectClass.getExportedName());
        } catch (AspectCreationException e) {
            throw new AspectFunctionException(e);
        }
        if (skylarkAspect == null) {
            return null;
        }
        aspectFactory = new SkylarkAspectFactory(skylarkAspect);
        aspect = Aspect.forSkylark(skylarkAspect.getAspectClass(), skylarkAspect.getDefinition(key.getParameters()), key.getParameters());
    } else {
        throw new IllegalStateException();
    }
    // Keep this in sync with the same code in ConfiguredTargetFunction.
    PackageValue packageValue = (PackageValue) env.getValue(PackageValue.key(key.getLabel().getPackageIdentifier()));
    if (packageValue == null) {
        return null;
    }
    Package pkg = packageValue.getPackage();
    if (pkg.containsErrors()) {
        throw new AspectFunctionException(new BuildFileContainsErrorsException(key.getLabel().getPackageIdentifier()));
    }
    Target target;
    try {
        target = pkg.getTarget(key.getLabel().getName());
    } catch (NoSuchTargetException e) {
        throw new AspectFunctionException(e);
    }
    if (!(target instanceof Rule)) {
        env.getListener().handle(Event.error(target.getLocation(), String.format("%s is attached to %s %s but aspects must be attached to rules", aspect.getAspectClass().getName(), target.getTargetKind(), target.getName())));
        throw new AspectFunctionException(new AspectCreationException("aspects must be attached to rules"));
    }
    ConfiguredTargetValue configuredTargetValue;
    try {
        configuredTargetValue = (ConfiguredTargetValue) env.getValueOrThrow(ConfiguredTargetValue.key(key.getLabel(), key.getBaseConfiguration()), ConfiguredValueCreationException.class);
    } catch (ConfiguredValueCreationException e) {
        throw new AspectFunctionException(new AspectCreationException(e.getRootCauses()));
    }
    if (configuredTargetValue == null) {
        // precomputed.
        return null;
    }
    if (configuredTargetValue.getConfiguredTarget() == null) {
        return null;
    }
    if (configuredTargetValue.getConfiguredTarget().getProvider(AliasProvider.class) != null) {
        return createAliasAspect(env, target, aspect, key, configuredTargetValue.getConfiguredTarget());
    }
    ConfiguredTarget associatedTarget = configuredTargetValue.getConfiguredTarget();
    ImmutableList.Builder<Aspect> aspectPathBuilder = ImmutableList.builder();
    if (!key.getBaseKeys().isEmpty()) {
        // We transitively collect all required aspects to reduce the number of restarts.
        // Semantically it is enough to just request key.getBaseKeys().
        ImmutableMap<AspectDescriptor, SkyKey> aspectKeys = getSkyKeysForAspects(key.getBaseKeys());
        Map<SkyKey, SkyValue> values = env.getValues(aspectKeys.values());
        if (env.valuesMissing()) {
            return null;
        }
        try {
            associatedTarget = getBaseTargetAndCollectPath(associatedTarget, key.getBaseKeys(), values, aspectPathBuilder);
        } catch (DuplicateException e) {
            env.getListener().handle(Event.error(associatedTarget.getTarget().getLocation(), e.getMessage()));
            throw new AspectFunctionException(new AspectCreationException(e.getMessage(), associatedTarget.getLabel()));
        }
    }
    aspectPathBuilder.add(aspect);
    SkyframeDependencyResolver resolver = view.createDependencyResolver(env);
    // When getting the dependencies of this hybrid aspect+base target, use the aspect's
    // configuration. The configuration of the aspect will always be a superset of the target's
    // (dynamic configuration mode: target is part of the aspect's config fragment requirements;
    // static configuration mode: target is the same configuration as the aspect), so the fragments
    // required by all dependencies (both those of the aspect and those of the base target)
    // will be present this way.
    TargetAndConfiguration originalTargetAndAspectConfiguration = new TargetAndConfiguration(target, key.getAspectConfiguration());
    ImmutableList<Aspect> aspectPath = aspectPathBuilder.build();
    try {
        // Get the configuration targets that trigger this rule's configurable attributes.
        ImmutableMap<Label, ConfigMatchingProvider> configConditions = ConfiguredTargetFunction.getConfigConditions(target, env, resolver, originalTargetAndAspectConfiguration, transitivePackages, transitiveRootCauses);
        if (configConditions == null) {
            // Those targets haven't yet been resolved.
            return null;
        }
        OrderedSetMultimap<Attribute, ConfiguredTarget> depValueMap;
        try {
            depValueMap = ConfiguredTargetFunction.computeDependencies(env, resolver, originalTargetAndAspectConfiguration, aspectPath, configConditions, ruleClassProvider, view.getHostConfiguration(originalTargetAndAspectConfiguration.getConfiguration()), transitivePackages, transitiveRootCauses);
        } catch (ConfiguredTargetFunctionException e) {
            throw new AspectCreationException(e.getMessage());
        }
        if (depValueMap == null) {
            return null;
        }
        if (!transitiveRootCauses.isEmpty()) {
            throw new AspectFunctionException(new AspectCreationException("Loading failed", transitiveRootCauses.build()));
        }
        return createAspect(env, key, aspectPath, aspect, aspectFactory, associatedTarget, key.getAspectConfiguration(), configConditions, depValueMap, transitivePackages);
    } catch (DependencyEvaluationException e) {
        if (e.getCause() instanceof ConfiguredValueCreationException) {
            ConfiguredValueCreationException cause = (ConfiguredValueCreationException) e.getCause();
            throw new AspectFunctionException(new AspectCreationException(cause.getMessage(), cause.getAnalysisRootCause()));
        } else if (e.getCause() instanceof InconsistentAspectOrderException) {
            InconsistentAspectOrderException cause = (InconsistentAspectOrderException) e.getCause();
            throw new AspectFunctionException(new AspectCreationException(cause.getMessage()));
        } else {
            // Cast to InvalidConfigurationException as a consistency check. If you add any
            // DependencyEvaluationException constructors, you may need to change this code, too.
            InvalidConfigurationException cause = (InvalidConfigurationException) e.getCause();
            throw new AspectFunctionException(new AspectCreationException(cause.getMessage()));
        }
    } catch (AspectCreationException e) {
        throw new AspectFunctionException(e);
    }
}

Example 3 with ConfigMatchingProvider

use of com.google.devtools.build.lib.analysis.config.ConfigMatchingProvider in project bazel by bazelbuild.

the class ConfiguredTargetFunction method compute.

@Override
public SkyValue compute(SkyKey key, Environment env) throws ConfiguredTargetFunctionException, InterruptedException {
    SkyframeBuildView view = buildViewProvider.getSkyframeBuildView();
    NestedSetBuilder<Package> transitivePackages = NestedSetBuilder.stableOrder();
    NestedSetBuilder<Label> transitiveLoadingRootCauses = NestedSetBuilder.stableOrder();
    ConfiguredTargetKey configuredTargetKey = (ConfiguredTargetKey) key.argument();
    LabelAndConfiguration lc = LabelAndConfiguration.of(configuredTargetKey.getLabel(), configuredTargetKey.getConfiguration());
    BuildConfiguration configuration = lc.getConfiguration();
    PackageValue packageValue = (PackageValue) env.getValue(PackageValue.key(lc.getLabel().getPackageIdentifier()));
    if (packageValue == null) {
        return null;
    }
    // TODO(ulfjack): This tries to match the logic in TransitiveTargetFunction /
    // TargetMarkerFunction. Maybe we can merge the two?
    Package pkg = packageValue.getPackage();
    Target target;
    try {
        target = pkg.getTarget(lc.getLabel().getName());
    } catch (NoSuchTargetException e) {
        throw new ConfiguredTargetFunctionException(new ConfiguredValueCreationException(e.getMessage()));
    }
    if (pkg.containsErrors()) {
        transitiveLoadingRootCauses.add(lc.getLabel());
    }
    transitivePackages.add(pkg);
    // null).
    if (!target.isConfigurable()) {
        configuration = null;
    }
    // associates the error with the dep, which is misleading.
    if (useDynamicConfigurations(configuration) && configuration.trimConfigurations() && env.getValue(TransitiveTargetValue.key(lc.getLabel())) == null) {
        return null;
    }
    TargetAndConfiguration ctgValue = new TargetAndConfiguration(target, configuration);
    SkyframeDependencyResolver resolver = view.createDependencyResolver(env);
    // TODO(janakr): this acquire() call may tie up this thread indefinitely, reducing the
    // parallelism of Skyframe. This is a strict improvement over the prior state of the code, in
    // which we ran with #processors threads, but ideally we would call #tryAcquire here, and if we
    // failed, would exit this SkyFunction and restart it when permits were available.
    cpuBoundSemaphore.acquire();
    try {
        // Get the configuration targets that trigger this rule's configurable attributes.
        ImmutableMap<Label, ConfigMatchingProvider> configConditions = getConfigConditions(ctgValue.getTarget(), env, resolver, ctgValue, transitivePackages, transitiveLoadingRootCauses);
        if (env.valuesMissing()) {
            return null;
        }
        // attributes.
        if (!transitiveLoadingRootCauses.isEmpty() && configConditions != NO_CONFIG_CONDITIONS) {
            throw new ConfiguredTargetFunctionException(new ConfiguredValueCreationException(transitiveLoadingRootCauses.build()));
        }
        OrderedSetMultimap<Attribute, ConfiguredTarget> depValueMap = computeDependencies(env, resolver, ctgValue, ImmutableList.<Aspect>of(), configConditions, ruleClassProvider, view.getHostConfiguration(configuration), transitivePackages, transitiveLoadingRootCauses);
        if (env.valuesMissing()) {
            return null;
        }
        if (!transitiveLoadingRootCauses.isEmpty()) {
            throw new ConfiguredTargetFunctionException(new ConfiguredValueCreationException(transitiveLoadingRootCauses.build()));
        }
        Preconditions.checkNotNull(depValueMap);
        ConfiguredTargetValue ans = createConfiguredTarget(view, env, target, configuration, depValueMap, configConditions, transitivePackages);
        return ans;
    } catch (DependencyEvaluationException e) {
        if (e.getCause() instanceof ConfiguredValueCreationException) {
            throw new ConfiguredTargetFunctionException((ConfiguredValueCreationException) e.getCause());
        } else if (e.getCause() instanceof InconsistentAspectOrderException) {
            InconsistentAspectOrderException cause = (InconsistentAspectOrderException) e.getCause();
            throw new ConfiguredTargetFunctionException(new ConfiguredValueCreationException(cause.getMessage(), target.getLabel()));
        } else {
            // Cast to InvalidConfigurationException as a consistency check. If you add any
            // DependencyEvaluationException constructors, you may need to change this code, too.
            InvalidConfigurationException cause = (InvalidConfigurationException) e.getCause();
            throw new ConfiguredTargetFunctionException(new ConfiguredValueCreationException(cause.getMessage(), target.getLabel()));
        }
    } catch (AspectCreationException e) {
        // getAnalysisRootCause may be null if the analysis of the aspect itself failed.
        Label analysisRootCause = target.getLabel();
        if (e.getAnalysisRootCause() != null) {
            analysisRootCause = e.getAnalysisRootCause();
        }
        throw new ConfiguredTargetFunctionException(new ConfiguredValueCreationException(e.getMessage(), analysisRootCause));
    } finally {
        cpuBoundSemaphore.release();
    }
}

Example 4 with ConfigMatchingProvider

use of com.google.devtools.build.lib.analysis.config.ConfigMatchingProvider in project bazel by bazelbuild.

the class PostConfiguredTargetFunction method compute.

@Nullable
@Override
public SkyValue compute(SkyKey skyKey, Environment env) throws SkyFunctionException, InterruptedException {
    ImmutableMap<ActionAnalysisMetadata, ConflictException> badActions = PrecomputedValue.BAD_ACTIONS.get(env);
    ConfiguredTargetValue ctValue = (ConfiguredTargetValue) env.getValue(ConfiguredTargetValue.key((ConfiguredTargetKey) skyKey.argument()));
    if (env.valuesMissing()) {
        return null;
    }
    for (ActionAnalysisMetadata action : ctValue.getActions()) {
        if (badActions.containsKey(action)) {
            throw new ActionConflictFunctionException(badActions.get(action));
        }
    }
    ConfiguredTarget ct = ctValue.getConfiguredTarget();
    TargetAndConfiguration ctgValue = new TargetAndConfiguration(ct.getTarget(), ct.getConfiguration());
    ImmutableMap<Label, ConfigMatchingProvider> configConditions = getConfigurableAttributeConditions(ctgValue, env);
    if (configConditions == null) {
        return null;
    }
    OrderedSetMultimap<Attribute, Dependency> deps;
    try {
        BuildConfiguration hostConfiguration = buildViewProvider.getSkyframeBuildView().getHostConfiguration(ct.getConfiguration());
        SkyframeDependencyResolver resolver = buildViewProvider.getSkyframeBuildView().createDependencyResolver(env);
        // We don't track root causes here - this function is only invoked for successfully analyzed
        // targets - as long as we redo the exact same steps here as in ConfiguredTargetFunction, this
        // can never fail.
        deps = resolver.dependentNodeMap(ctgValue, hostConfiguration, /*aspect=*/
        null, configConditions);
        if (ct.getConfiguration() != null && ct.getConfiguration().useDynamicConfigurations()) {
            deps = ConfiguredTargetFunction.getDynamicConfigurations(env, ctgValue, deps, hostConfiguration, ruleClassProvider);
        }
    } catch (EvalException | ConfiguredTargetFunction.DependencyEvaluationException | InvalidConfigurationException | InconsistentAspectOrderException e) {
        throw new PostConfiguredTargetFunctionException(e);
    }
    env.getValues(Iterables.transform(deps.values(), TO_KEYS));
    if (env.valuesMissing()) {
        return null;
    }
    return new PostConfiguredTargetValue(ct);
}

Example 5 with ConfigMatchingProvider

use of com.google.devtools.build.lib.analysis.config.ConfigMatchingProvider in project bazel by bazelbuild.

the class BuildView method getConfigurableAttributeKeysForTesting.

/**
   * Returns ConfigMatchingProvider instances corresponding to the configurable attribute keys
   * present in this rule's attributes.
   */
private ImmutableMap<Label, ConfigMatchingProvider> getConfigurableAttributeKeysForTesting(ExtendedEventHandler eventHandler, TargetAndConfiguration ctg) {
    if (!(ctg.getTarget() instanceof Rule)) {
        return ImmutableMap.of();
    }
    Rule rule = (Rule) ctg.getTarget();
    Map<Label, ConfigMatchingProvider> keys = new LinkedHashMap<>();
    RawAttributeMapper mapper = RawAttributeMapper.of(rule);
    for (Attribute attribute : rule.getAttributes()) {
        for (Label label : mapper.getConfigurabilityKeys(attribute.getName(), attribute.getType())) {
            if (BuildType.Selector.isReservedLabel(label)) {
                continue;
            }
            ConfiguredTarget ct = getConfiguredTargetForTesting(eventHandler, label, ctg.getConfiguration());
            keys.put(label, Preconditions.checkNotNull(ct.getProvider(ConfigMatchingProvider.class)));
        }
    }
    return ImmutableMap.copyOf(keys);
}