Examples with Truffle com.oracle.truffle.api.Truffle used on opensource projects

Example 1 with Truffle

use of com.oracle.truffle.api.Truffle in project graal by oracle.

the class Target_com_oracle_truffle_api_interop_java_ObjectProxyHandler method beforeAnalysis.

@SuppressWarnings("deprecation")
@Override
public void beforeAnalysis(BeforeAnalysisAccess access) {
    BeforeAnalysisAccessImpl config = (BeforeAnalysisAccessImpl) access;
    getLanguageClasses().forEach(config::registerForReflectiveInstantiation);
    config.registerHierarchyForReflectiveInstantiation(TruffleInstrument.class);
    config.registerHierarchyForReflectiveInstantiation(com.oracle.truffle.api.instrumentation.InstrumentableFactory.class);
    if (useTruffleCompiler()) {
        SubstrateTruffleRuntime truffleRuntime = (SubstrateTruffleRuntime) Truffle.getRuntime();
        GraalFeature graalFeature = ImageSingletons.lookup(GraalFeature.class);
        SnippetReflectionProvider snippetReflection = graalFeature.getHostedProviders().getSnippetReflection();
        SubstrateTruffleCompiler truffleCompiler = truffleRuntime.initTruffleCompiler();
        truffleRuntime.lookupCallMethods(config.getMetaAccess());
        PartialEvaluator partialEvaluator = truffleCompiler.getPartialEvaluator();
        registerKnownTruffleFields(config, partialEvaluator.getKnownTruffleTypes());
        support.registerInterpreterEntryMethodsAsCompiled(partialEvaluator, access);
        GraphBuilderConfiguration graphBuilderConfig = partialEvaluator.getConfigForParsing();
        if (Options.TruffleInlineDuringParsing.getValue()) {
            graphBuilderConfig.getPlugins().appendInlineInvokePlugin(new TruffleParsingInlineInvokePlugin(graalFeature.getHostedProviders().getReplacements(), graphBuilderConfig.getPlugins().getInvocationPlugins(), partialEvaluator, method -> includeCallee(method, null, null)));
        }
        registerNeverPartOfCompilation(graphBuilderConfig.getPlugins().getInvocationPlugins());
        graphBuilderConfig.getPlugins().getInvocationPlugins().closeRegistration();
        HostedProviders newHostedProviders = new HostedProviders(partialEvaluator.getProviders().getMetaAccess(), partialEvaluator.getProviders().getCodeCache(), partialEvaluator.getProviders().getConstantReflection(), new HostedTruffleConstantFieldProvider(partialEvaluator.getProviders().getConstantFieldProvider()), partialEvaluator.getProviders().getForeignCalls(), partialEvaluator.getProviders().getLowerer(), partialEvaluator.getProviders().getReplacements(), partialEvaluator.getProviders().getStampProvider(), snippetReflection, graalFeature.getHostedProviders().getWordTypes());
        newHostedProviders.setGraphBuilderPlugins(graphBuilderConfig.getPlugins());
        graalFeature.initializeRuntimeCompilationConfiguration(newHostedProviders, graphBuilderConfig, this::includeCallee, this::deoptimizeOnException);
        for (ResolvedJavaMethod method : partialEvaluator.getCompilationRootMethods()) {
            graalFeature.prepareMethodForRuntimeCompilation(method, config);
        }
        initializeMethodBlacklist(config.getMetaAccess());
        /*
             * Stack frames that are visited by Truffle-level stack walking must have full frame
             * information available, otherwise SubstrateStackIntrospection cannot visit them.
             */
        for (ResolvedJavaMethod method : truffleRuntime.getAnyFrameMethod()) {
            graalFeature.requireFrameInformationForMethod(method);
            /*
                 * To avoid corner case errors, we also force compilation of these methods. This
                 * only affects builds where no Truffle language is included, because any real
                 * language makes these methods reachable (and therefore compiled).
                 */
            config.registerAsCompiled((AnalysisMethod) method);
        }
    }
    firstAnalysisRun = true;
}

Example 2 with Truffle

use of com.oracle.truffle.api.Truffle in project graal by oracle.

the class Target_com_oracle_truffle_api_interop_java_ObjectProxyHandler method beforeCompilation.

@Override
public void beforeCompilation(BeforeCompilationAccess config) {
    BeforeCompilationAccessImpl access = (BeforeCompilationAccessImpl) config;
    if (GraalFeature.Options.PrintRuntimeCompileMethods.getValue() && blacklistViolations.size() > 0) {
        System.out.println();
        System.out.println("=== Found " + blacklistViolations.size() + " compilation blacklist violations ===");
        System.out.println();
        for (GraalFeature.CallTreeNode node : blacklistViolations) {
            System.out.println("Blacklisted method");
            System.out.println(node.getImplementationMethod().format("  %H.%n(%p)"));
            System.out.println("called from");
            for (GraalFeature.CallTreeNode cur = node; cur != null; cur = cur.getParent()) {
                System.out.println("  " + cur.getSourceReference());
            }
        }
    }
    if (warnViolations.size() > 0) {
        /*
             * It is enough to print one warning message with one stack trace. Take the shortest
             * stack trace.
             */
        GraalFeature.CallTreeNode printNode = null;
        int printLength = Integer.MAX_VALUE;
        for (GraalFeature.CallTreeNode warnNode : warnViolations) {
            int warnLength = 0;
            for (GraalFeature.CallTreeNode cur = warnNode; cur != null; cur = cur.getParent()) {
                warnLength++;
            }
            if (warnLength < printLength) {
                printNode = warnNode;
                printLength = warnLength;
            }
        }
        System.out.println("WARNING: suspicious method reachable for runtime compilation: " + printNode.getImplementationMethod().format("%H.%n(%p)"));
        System.out.println("Check the complete tree of reachable methods using the option " + GraalFeature.Options.PrintRuntimeCompileMethods.getDescriptor().getFieldName());
        System.out.println("Suspicious method is called from");
        for (GraalFeature.CallTreeNode cur = printNode; cur != null; cur = cur.getParent()) {
            System.out.println("  " + cur.getSourceReference());
        }
    }
    if (neverPartOfCompilationViolations.size() > 0) {
        System.out.println("ERROR: CompilerAsserts.neverPartOfCompilation reachable for runtime compilation from " + neverPartOfCompilationViolations.size() + " places:");
        for (GraalFeature.CallTreeNode neverPartOfCompilationNode : neverPartOfCompilationViolations) {
            System.out.println("called from");
            for (GraalFeature.CallTreeNode cur = neverPartOfCompilationNode; cur != null; cur = cur.getParent()) {
                System.out.println("  " + cur.getSourceReference());
            }
        }
        throw VMError.shouldNotReachHere("CompilerAsserts.neverPartOfCompilation reachable for runtime compilation");
    }
    if (Options.TruffleCheckFrameImplementation.getValue() && useTruffleCompiler()) {
        /*
             * Check that only one Frame implementation is seen as instantiated by the static
             * analysis. That allows de-virtualization of all calls to Frame methods in the
             * interpreter.
             *
             * The DefaultTruffleRuntime uses multiple Frame implementations (DefaultVirtualFrame,
             * DefaultMaterializedFrame, ReadOnlyFrame) to detect wrong usages of the Frame API, so
             * we can only check when running with compilation enabled.
             */
        Optional<? extends ResolvedJavaType> optionalFrameType = access.getMetaAccess().optionalLookupJavaType(Frame.class);
        if (optionalFrameType.isPresent()) {
            HostedType frameType = (HostedType) optionalFrameType.get();
            Set<HostedType> implementations = new HashSet<>();
            collectImplementations(frameType, implementations);
            if (implementations.size() > 1) {
                throw UserError.abort("More than one implementation of " + Frame.class.getTypeName() + " found. For performance reasons, Truffle languages must not provide new implementations, and instead only use the single implementation provided by the Truffle runtime. " + "To disable this check, add " + SubstrateOptionsParser.commandArgument(Options.TruffleCheckFrameImplementation, "-") + " to the native-image command line. " + "Found classes: " + implementations.stream().map(m -> m.toJavaName(true)).collect(Collectors.joining(", ")));
            } else {
                assert implementations.size() == 0 || implementations.iterator().next() == frameType.getSingleImplementor();
            }
        }
    }
}