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Instructions to build Enso with Espresso for GraalVM for JDK21
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engine/runner/src/main/java/org/enso/runner/ContextFactory.java
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|---|---|---|
| @@ -0,0 +1,210 @@ | ||
| package org.enso.runner; | ||
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| import java.io.File; | ||
| import java.io.InputStream; | ||
| import java.io.OutputStream; | ||
| import java.util.Map; | ||
| import org.enso.logger.Converter; | ||
| import org.enso.logger.JulHandler; | ||
| import org.enso.logger.LoggerSetup; | ||
| import org.enso.polyglot.HostAccessFactory; | ||
| import org.enso.polyglot.LanguageInfo; | ||
| import org.enso.polyglot.PolyglotContext; | ||
| import org.enso.polyglot.RuntimeOptions; | ||
| import org.enso.polyglot.debugger.DebugServerInfo; | ||
| import org.enso.polyglot.debugger.DebuggerSessionManagerEndpoint; | ||
| import org.graalvm.polyglot.Context; | ||
| import org.slf4j.event.Level; | ||
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| /** | ||
| * Builder to create a new Graal polyglot context. | ||
| * | ||
| * @param projectRoot root of the project the interpreter is being run in (or empty if ran outside | ||
| * of any projects) | ||
| * @param in the input stream for standard in | ||
| * @param out the output stream for standard out | ||
| * @param repl the Repl manager to use for this context | ||
| * @param logLevel the log level for this context | ||
| * @param enableIrCaches whether or not IR caching should be enabled | ||
| * @param disablePrivateCheck If `private` keyword should be disabled. | ||
| * @param strictErrors whether or not to use strict errors | ||
| * @param useGlobalIrCacheLocation whether or not to use the global IR cache location | ||
| * @param options additional options for the Context | ||
| * @param executionEnvironment optional name of the execution environment to use during execution | ||
| * @param warningsLimit maximal number of warnings reported to the user | ||
| */ | ||
| final class ContextFactory { | ||
| private String projectRoot; | ||
| private InputStream in; | ||
| private OutputStream out; | ||
| private Repl repl; | ||
| private Level logLevel; | ||
| private boolean logMasking; | ||
| private boolean enableIrCaches; | ||
| private boolean disablePrivateCheck; | ||
| private boolean strictErrors; | ||
| private boolean useGlobalIrCacheLocation = true; | ||
| private boolean enableAutoParallelism; | ||
| private String executionEnvironment; | ||
| private int warningsLimit = 100; | ||
| private java.util.Map<String, String> options = java.util.Collections.emptyMap(); | ||
|
|
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| private ContextFactory() {} | ||
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| public static ContextFactory create() { | ||
| return new ContextFactory(); | ||
| } | ||
|
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| public ContextFactory projectRoot(String projectRoot) { | ||
| this.projectRoot = projectRoot; | ||
| return this; | ||
| } | ||
|
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| public ContextFactory in(InputStream in) { | ||
| this.in = in; | ||
| return this; | ||
| } | ||
|
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| public ContextFactory out(OutputStream out) { | ||
| this.out = out; | ||
| return this; | ||
| } | ||
|
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| public ContextFactory repl(Repl repl) { | ||
| this.repl = repl; | ||
| return this; | ||
| } | ||
|
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| public ContextFactory logLevel(Level logLevel) { | ||
| this.logLevel = logLevel; | ||
| return this; | ||
| } | ||
|
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| public ContextFactory logMasking(boolean logMasking) { | ||
| this.logMasking = logMasking; | ||
| return this; | ||
| } | ||
|
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| public ContextFactory enableIrCaches(boolean enableIrCaches) { | ||
| this.enableIrCaches = enableIrCaches; | ||
| return this; | ||
| } | ||
|
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| public ContextFactory disablePrivateCheck(boolean disablePrivateCheck) { | ||
| this.disablePrivateCheck = disablePrivateCheck; | ||
| return this; | ||
| } | ||
|
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| public ContextFactory strictErrors(boolean strictErrors) { | ||
| this.strictErrors = strictErrors; | ||
| return this; | ||
| } | ||
|
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| public ContextFactory useGlobalIrCacheLocation(boolean useGlobalIrCacheLocation) { | ||
| this.useGlobalIrCacheLocation = useGlobalIrCacheLocation; | ||
| return this; | ||
| } | ||
|
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| public ContextFactory enableAutoParallelism(boolean enableAutoParallelism) { | ||
| this.enableAutoParallelism = enableAutoParallelism; | ||
| return this; | ||
| } | ||
|
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| public ContextFactory executionEnvironment(String executionEnvironment) { | ||
| this.executionEnvironment = executionEnvironment; | ||
| return this; | ||
| } | ||
|
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| public ContextFactory warningsLimit(int warningsLimit) { | ||
| this.warningsLimit = warningsLimit; | ||
| return this; | ||
| } | ||
|
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| public ContextFactory options(Map<String, String> options) { | ||
| this.options = options; | ||
| return this; | ||
| } | ||
|
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| PolyglotContext build() { | ||
| if (executionEnvironment != null) { | ||
| options.put("enso.ExecutionEnvironment", executionEnvironment); | ||
| } | ||
| var julLogLevel = Converter.toJavaLevel(logLevel); | ||
| var logLevelName = julLogLevel.getName(); | ||
| var builder = | ||
| Context.newBuilder() | ||
| .allowExperimentalOptions(true) | ||
| .allowAllAccess(true) | ||
| .allowHostAccess(new HostAccessFactory().allWithTypeMapping()) | ||
| .option(RuntimeOptions.PROJECT_ROOT, projectRoot) | ||
| .option(RuntimeOptions.STRICT_ERRORS, Boolean.toString(strictErrors)) | ||
| .option(RuntimeOptions.WAIT_FOR_PENDING_SERIALIZATION_JOBS, "true") | ||
| .option( | ||
| RuntimeOptions.USE_GLOBAL_IR_CACHE_LOCATION, | ||
| Boolean.toString(useGlobalIrCacheLocation)) | ||
| .option(RuntimeOptions.DISABLE_IR_CACHES, Boolean.toString(!enableIrCaches)) | ||
| .option(RuntimeOptions.DISABLE_PRIVATE_CHECK, Boolean.toString(disablePrivateCheck)) | ||
| .option(DebugServerInfo.ENABLE_OPTION, "true") | ||
| .option(RuntimeOptions.LOG_MASKING, Boolean.toString(logMasking)) | ||
| .options(options) | ||
| .option(RuntimeOptions.ENABLE_AUTO_PARALLELISM, Boolean.toString(enableAutoParallelism)) | ||
| .option(RuntimeOptions.WARNINGS_LIMIT, Integer.toString(warningsLimit)) | ||
| .option("js.foreign-object-prototype", "true") | ||
| .out(out) | ||
| .in(in) | ||
| .serverTransport( | ||
| (uri, peer) -> | ||
| DebugServerInfo.URI.equals(uri.toString()) | ||
| ? new DebuggerSessionManagerEndpoint(repl, peer) | ||
| : null); | ||
|
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| builder.option(RuntimeOptions.LOG_LEVEL, logLevelName); | ||
| var logHandler = JulHandler.get(); | ||
| var logLevels = LoggerSetup.get().getConfig().getLoggers(); | ||
| if (logLevels.hasEnsoLoggers()) { | ||
| logLevels | ||
| .entrySet() | ||
| .forEach( | ||
| (entry) -> | ||
| builder.option( | ||
| "log." + LanguageInfo.ID + "." + entry.getKey() + ".level", | ||
| Converter.toJavaLevel(entry.getValue()).getName())); | ||
| } | ||
| builder.logHandler(logHandler); | ||
|
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| var graalpy = | ||
| new File( | ||
| new File(new File(new File(new File(projectRoot), "polyglot"), "python"), "bin"), | ||
| "graalpy"); | ||
| if (graalpy.exists()) { | ||
| builder.option("python.Executable", graalpy.getAbsolutePath()); | ||
| } | ||
| if (ENGINE_HAS_JAVA) { | ||
| var javaHome = System.getProperty("java.home"); | ||
| if (javaHome == null) { | ||
| javaHome = System.getenv("JAVA_HOME"); | ||
| } | ||
| if (javaHome == null) { | ||
| throw new IllegalStateException("Specify JAVA_HOME environment property"); | ||
| } | ||
| builder | ||
| .option("java.ExposeNativeJavaVM", "true") | ||
| .option("java.Polyglot", "true") | ||
| .option("java.UseBindingsLoader", "true") | ||
| .option("java.JavaHome", javaHome) | ||
| .allowCreateThread(true); | ||
| } | ||
| return new PolyglotContext(builder.build()); | ||
| } | ||
|
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| /** | ||
| * Checks whether the polyglot engine has Espresso. Recorded as static constant to be remembered | ||
| * in AOT mode. | ||
| */ | ||
| private static final boolean ENGINE_HAS_JAVA; | ||
|
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| static { | ||
| var modules = ModuleLayer.boot().modules().stream(); | ||
| ENGINE_HAS_JAVA = modules.anyMatch(m -> "org.graalvm.espresso".equals(m.getName())); | ||
| } | ||
| } |
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