Examples with Source org.graalvm.polyglot.Source used on opensource projects

Example 71 with Source

use of org.graalvm.polyglot.Source in project graal by oracle.

the class SLTestRunner method run.

private static void run(Context context, Path path, PrintWriter out) throws IOException {
    try {
        /* Parse the SL source file. */
        Source source = Source.newBuilder(SLLanguage.ID, path.toFile()).interactive(true).build();
        /* Call the main entry point, without any arguments. */
        context.eval(source);
    } catch (PolyglotException ex) {
        if (!ex.isInternalError()) {
            out.println(ex.getMessage());
        } else {
            throw ex;
        }
    }
}

Example 72 with Source

use of org.graalvm.polyglot.Source in project graal by oracle.

the class PolyglotExceptionFrame method createGuest.

static PolyglotExceptionFrame createGuest(PolyglotExceptionImpl exception, TruffleStackTraceElement frame, boolean first) {
    if (frame == null) {
        return null;
    }
    RootNode targetRoot = frame.getTarget().getRootNode();
    if (targetRoot.isInternal()) {
        return null;
    }
    LanguageInfo info = targetRoot.getLanguageInfo();
    if (info == null) {
        return null;
    }
    PolyglotEngineImpl engine = exception.context.getEngine();
    PolyglotLanguage language = engine.idToLanguage.get(info.getId());
    String rootName = targetRoot.getName();
    SourceSection location;
    Node callNode = frame.getLocation();
    if (callNode != null) {
        com.oracle.truffle.api.source.SourceSection section = callNode.getEncapsulatingSourceSection();
        if (section != null) {
            Source source = engine.getAPIAccess().newSource(language.getId(), section.getSource());
            location = engine.getAPIAccess().newSourceSection(source, section);
        } else {
            location = null;
        }
    } else {
        location = first ? exception.getSourceLocation() : null;
    }
    return new PolyglotExceptionFrame(exception, language, location, rootName, false, null);
}

Example 73 with Source

use of org.graalvm.polyglot.Source in project graal by oracle.

the class PolyglotExceptionFrame method formatSource.

private static String formatSource(SourceSection sourceSection) {
    if (sourceSection == null) {
        return "Unknown";
    }
    Source source = sourceSection.getSource();
    if (source == null) {
        // safety check. likely not necsssary
        return "Unknown";
    }
    StringBuilder b = new StringBuilder();
    String path = source.getPath();
    if (path == null) {
        b.append(source.getName());
    } else {
        Path pathAbsolute = Paths.get(path);
        Path pathBase = new File("").getAbsoluteFile().toPath();
        try {
            Path pathRelative = pathBase.relativize(pathAbsolute);
            b.append(pathRelative.toFile());
        } catch (IllegalArgumentException e) {
            b.append(source.getName());
        }
    }
    b.append(":").append(formatIndices(sourceSection, true));
    return b.toString();
}

Example 74 with Source

use of org.graalvm.polyglot.Source in project graal by oracle.

the class PolyglotEngineWithJavaScript method createJavaScriptFactoryForJavaClass.

public void createJavaScriptFactoryForJavaClass() {
    Source src = Source.newBuilder("js", "" + "(function(Moment) {\n" + "  return function(h, m, s) {\n" + "     return new Moment(h, m, s);\n" + "  };\n" + "})\n", "ConstructMoment.js").buildLiteral();
    // Evaluate the JavaScript function definition
    final Value jsFunction = context.eval(src);
    // Create a JavaScript factory for the provided Java class
    final Value jsFactory = jsFunction.execute(Moment.class);
    // Convert the JavaScript factory to a Java foreign function
    MomentFactory momentFactory = jsFactory.as(MomentFactory.class);
    final Moment javaMoment = momentFactory.create(6, 30, 10);
    assertEquals("Hours", 6, javaMoment.hours);
    assertEquals("Minutes", 30, javaMoment.minutes);
    assertEquals("Seconds", 10, javaMoment.seconds);
}

Example 75 with Source

use of org.graalvm.polyglot.Source in project graal by oracle.

the class PolyglotEngineWithJavaScript method accessFieldsOfJavaObject.

public void accessFieldsOfJavaObject() {
    Source src = Source.newBuilder("js", "" + "(function(t) {\n" + "  return 3600 * t.hours + 60 * t.minutes + t.seconds;\n" + "})\n", "MomentToSeconds.js").buildLiteral();
    final Moment javaMoment = new Moment(6, 30, 10);
    // Evaluate the JavaScript function definition
    Value jsFunction = context.eval(src);
    // Execute the JavaScript function, passing a Java object argument
    Value jsSeconds = jsFunction.execute(javaMoment);
    // Convert foreign object result to desired Java type
    int seconds = jsSeconds.as(Number.class).intValue();
    assertEquals(3600 * 6 + 30 * 60 + 10, seconds);
}