Examples with ParserException com.github.anba.es6draft.parser.ParserException used on opensource projects

Example 6 with ParserException

use of com.github.anba.es6draft.parser.ParserException in project es6draft by anba.

the class NodeModuleResolution method readPackage.

private static Path readPackage(Path path) {
    Path jsonPackage = path.resolve(PACKAGE_FILE_NAME);
    if (!Files.isRegularFile(jsonPackage)) {
        return null;
    }
    String executable;
    try {
        String json = new String(Files.readAllBytes(jsonPackage), StandardCharsets.UTF_8);
        executable = JSONParser.parse(json, new ExecJSONBuilder());
    } catch (IOException | ParserException e) {
        // ignore?
        return null;
    }
    if (executable == null || executable.isEmpty()) {
        return null;
    }
    return Paths.get(executable);
}

Example 7 with ParserException

use of com.github.anba.es6draft.parser.ParserException in project es6draft by anba.

the class AsyncGeneratorFunctionConstructor method CreateDynamicFunction.

/**
     * 19.2.1.1.1 RuntimeSemantics: CreateDynamicFunction(constructor, newTarget, kind, args)
     * 
     * @param callerContext
     *            the caller execution context
     * @param cx
     *            the execution context
     * @param newTarget
     *            the newTarget constructor function
     * @param args
     *            the function arguments
     * @return the new async generator function object
     */
private static FunctionObject CreateDynamicFunction(ExecutionContext callerContext, ExecutionContext cx, Constructor newTarget, Object... args) {
    /* step 1 (not applicable) */
    /* step 2 (not applicable) */
    /* step 3 */
    Intrinsics fallbackProto = Intrinsics.AsyncGenerator;
    /* steps 4-10 */
    String[] sourceText = functionSourceText(cx, args);
    String parameters = sourceText[0], bodyText = sourceText[1];
    /* steps 11, 13-20 */
    Source source = functionSource(SourceKind.AsyncGenerator, cx.getRealm(), callerContext);
    RuntimeInfo.Function function;
    try {
        ScriptLoader scriptLoader = cx.getRealm().getScriptLoader();
        function = scriptLoader.asyncGenerator(source, parameters, bodyText).getFunction();
    } catch (ParserException | CompilationException e) {
        throw e.toScriptException(cx);
    }
    /* step 12 */
    boolean strict = function.isStrict();
    /* steps 21-22 */
    ScriptObject proto = GetPrototypeFromConstructor(cx, newTarget, fallbackProto);
    /* step 23 */
    OrdinaryAsyncGenerator f = FunctionAllocate(cx, proto, strict, FunctionKind.Normal);
    /* steps 24-25 */
    LexicalEnvironment<GlobalEnvironmentRecord> scope = f.getRealm().getGlobalEnv();
    /* step 26 */
    FunctionInitialize(f, FunctionKind.Normal, function, scope, newFunctionExecutable(source));
    /* step 27 */
    OrdinaryObject prototype = ObjectCreate(cx, Intrinsics.AsyncGeneratorPrototype);
    f.infallibleDefineOwnProperty("prototype", new Property(prototype, true, false, false));
    /* step 28 (not applicable) */
    /* step 29 */
    SetFunctionName(f, "anonymous");
    /* step 30 */
    return f;
}

Example 8 with ParserException

use of com.github.anba.es6draft.parser.ParserException in project es6draft by anba.

the class Eval method script.

private static Script script(ExecutionContext cx, ExecutionContext caller, String sourceCode, int flags) {
    try {
        Realm realm = cx.getRealm();
        Source source = evalSource(realm, caller);
        EnumSet<Parser.Option> options = EvalFlags.toOptions(flags);
        return realm.getScriptLoader().evalScript(source, sourceCode, options);
    } catch (ParserException | CompilationException e) {
        throw e.toScriptException(cx);
    }
}

Example 9 with ParserException

use of com.github.anba.es6draft.parser.ParserException in project es6draft by anba.

the class Repl method newRealm.

private Realm newRealm() {
    ObjectAllocator<? extends ShellGlobalObject> allocator;
    if (options.shellMode == ShellMode.Mozilla) {
        allocator = MozShellGlobalObject::new;
    } else if (options.shellMode == ShellMode.V8) {
        allocator = V8ShellGlobalObject::new;
    } else {
        allocator = SimpleShellGlobalObject::new;
    }
    BiFunction<RuntimeContext, ScriptLoader, ModuleLoader> moduleLoader;
    switch(options.moduleLoaderMode) {
        case Default:
            moduleLoader = FileModuleLoader::new;
            break;
        case Node:
            moduleLoader = NodeModuleLoader::new;
            break;
        case NodeStandard:
            moduleLoader = NodeStandardModuleLoader::new;
            break;
        default:
            throw new AssertionError();
    }
    /* @formatter:off */
    RuntimeContext context = new RuntimeContext.Builder().setBaseDirectory(Paths.get("").toAbsolutePath()).setGlobalAllocator(allocator).setModuleLoader(moduleLoader).setConsole(console).setWorkerErrorReporter(this::errorReporter).setOptions(compatibilityOptions(options)).setParserOptions(parserOptions(options)).setCompilerOptions(compilerOptions(options)).build();
    /* @formatter:on */
    World world = new World(context);
    Realm realm = world.newRealm();
    ExecutionContext cx = realm.defaultContext();
    // Add completion to console
    console.addCompleter(new ShellCompleter(realm));
    // Execute global specific initialization
    enqueueScriptTask(realm, () -> {
        InitializeHostDefinedRealm(realm);
        // Add global "arguments" property
        ScriptObject arguments = CreateArrayFromList(cx, options.arguments);
        CreateMethodProperty(cx, realm.getGlobalObject(), "arguments", arguments);
    });
    if (options.console) {
        enqueueScriptTask(realm, () -> {
            ScriptObject console = ConsoleObject.createConsole(realm);
            CreateMethodProperty(cx, realm.getGlobalObject(), "console", console);
        });
    }
    if (options.moduleLoaderMode == ModuleLoaderMode.Node) {
        // TODO: Add default initialize(Realm) method to ModuleLoader interface?
        enqueueScriptTask(realm, () -> {
            NodeModuleLoader nodeLoader = (NodeModuleLoader) world.getModuleLoader();
            nodeLoader.initialize(realm);
        });
    }
    // Run eval expressions and files
    for (EvalScript evalScript : options.evalScripts) {
        if (options.module) {
            enqueueScriptTask(realm, () -> {
                ModuleSource moduleSource = evalScript.getModuleSource();
                SourceIdentifier moduleName = evalScript.getModuleName();
                try {
                    ModuleEvaluationJob(realm, moduleName, moduleSource);
                } catch (ParserException e) {
                    Source source = moduleSource.toSource();
                    String file = e.getFile();
                    if (file.equals(source.getFileString())) {
                        throw new ParserExceptionWithSource(e, source, moduleSource.sourceCode());
                    }
                    Path filePath = Paths.get(file).toAbsolutePath();
                    Source errorSource = new Source(filePath, file, 1);
                    String code = new String(Files.readAllBytes(filePath), StandardCharsets.UTF_8);
                    throw new ParserExceptionWithSource(e, errorSource, code);
                }
            });
        } else {
            enqueueScriptTask(realm, () -> {
                Source source = evalScript.getSource();
                String sourceCode = evalScript.getSourceCode();
                try {
                    eval(realm, parse(realm, source, sourceCode));
                } catch (ParserException e) {
                    throw new ParserExceptionWithSource(e, source, sourceCode);
                }
            });
        }
    }
    return realm;
}

Example 10 with ParserException

use of com.github.anba.es6draft.parser.ParserException in project es6draft by anba.

the class Repl method handleException.

private void handleException(ParserExceptionWithSource exception) {
    ParserException e = exception.getCause();
    String sourceCode = exception.getSourceCode();
    int lineOffset = exception.getSource().getLine();
    String sourceInfo = String.format("%s:%d:%d", e.getFile(), e.getLine(), e.getColumn());
    int start = skipLines(sourceCode, e.getLine() - lineOffset);
    int end = nextLineTerminator(sourceCode, start);
    String offendingLine = sourceCode.substring(start, end);
    String marker = Strings.repeat('.', Math.max(e.getColumn() - 1, 0)) + '^';
    console.printf("%s %s: %s%n", sourceInfo, e.getType(), e.getFormattedMessage());
    console.printf("%s %s%n", sourceInfo, offendingLine);
    console.printf("%s %s%n", sourceInfo, marker);
    printStackTrace(e);
}