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  3. jdk.nashorn.internal.runtime.Context

Java 类jdk.nashorn.internal.runtime.Context 实例源码

项目：OpenJSharp    文件：ScriptObjectMirror.java    
@Override
public Object eval(final String s) {
    return inGlobal(new Callable<Object>() {
        @Override
        public Object call() {
            final Context context = AccessController.doPrivileged(
                    new PrivilegedAction<Context>() {
                        @Override
                        public Context run() {
                            return Context.getContext();
                        }
                    }, GET_CONTEXT_ACC_CTXT);
            return wrap(context.eval(global, s, sobj, null, false), global);
        }
    });
}
项目：openjdk-jdk10    文件：ReflectionCheckLinker.java    
private static void checkLinkRequest(final LinkRequest request) {
    final Global global = Context.getGlobal();
    final ClassFilter cf = global.getClassFilter();
    if (cf != null) {
        throw typeError("no.reflection.with.classfilter");
    }

    final SecurityManager sm = System.getSecurityManager();
    if (sm != null) {
        final Object self = request.getReceiver();
        // allow 'static' access on Class objects representing public classes of non-restricted packages
        if ((self instanceof Class) && Modifier.isPublic(((Class<?>)self).getModifiers())) {
            final CallSiteDescriptor desc = request.getCallSiteDescriptor();
            if ("static".equals(NashornCallSiteDescriptor.getOperand(desc)) && NashornCallSiteDescriptor.contains(desc, StandardOperation.GET, StandardNamespace.PROPERTY)) {
                if (Context.isAccessibleClass((Class<?>)self) && !isReflectionClass((Class<?>)self)) {
                    // If "GET:PROPERTY:static" passes access checks, allow access.
                    return;
                }
            }
        }
        checkReflectionPermission(sm);
    }
}
项目：openjdk-jdk10    文件：NashornBeansLinker.java    
private static String findFunctionalInterfaceMethodName(final Class<?> clazz) {
    if (clazz == null) {
        return null;
    }

    for (final Class<?> iface : clazz.getInterfaces()) {
        // check accessibility up-front
        if (! Context.isAccessibleClass(iface)) {
            continue;
        }

        // check for @FunctionalInterface
        if (iface.isAnnotationPresent(FunctionalInterface.class)) {
            // return the first abstract method
            for (final Method m : iface.getMethods()) {
                if (Modifier.isAbstract(m.getModifiers()) && !isOverridableObjectMethod(m)) {
                    return m.getName();
                }
            }
        }
    }

    // did not find here, try super class
    return findFunctionalInterfaceMethodName(clazz.getSuperclass());
}
项目：OpenJSharp    文件：NashornScriptEngine.java    
private static Object evalImpl(final Context.MultiGlobalCompiledScript mgcs, final ScriptContext ctxt, final Global ctxtGlobal) throws ScriptException {
    final Global oldGlobal = Context.getGlobal();
    final boolean globalChanged = (oldGlobal != ctxtGlobal);
    try {
        if (globalChanged) {
            Context.setGlobal(ctxtGlobal);
        }

        final ScriptFunction script = mgcs.getFunction(ctxtGlobal);
        ctxtGlobal.setScriptContext(ctxt);
        return ScriptObjectMirror.translateUndefined(ScriptObjectMirror.wrap(ScriptRuntime.apply(script, ctxtGlobal), ctxtGlobal));
    } catch (final Exception e) {
        throwAsScriptException(e, ctxtGlobal);
        throw new AssertionError("should not reach here");
    } finally {
        if (globalChanged) {
            Context.setGlobal(oldGlobal);
        }
    }
}
项目：OpenJSharp    文件：NashornScriptEngine.java    
private static Object evalImpl(final ScriptFunction script, final ScriptContext ctxt, final Global ctxtGlobal) throws ScriptException {
    if (script == null) {
        return null;
    }
    final Global oldGlobal = Context.getGlobal();
    final boolean globalChanged = (oldGlobal != ctxtGlobal);
    try {
        if (globalChanged) {
            Context.setGlobal(ctxtGlobal);
        }

        ctxtGlobal.setScriptContext(ctxt);
        return ScriptObjectMirror.translateUndefined(ScriptObjectMirror.wrap(ScriptRuntime.apply(script, ctxtGlobal), ctxtGlobal));
    } catch (final Exception e) {
        throwAsScriptException(e, ctxtGlobal);
        throw new AssertionError("should not reach here");
    } finally {
        if (globalChanged) {
            Context.setGlobal(oldGlobal);
        }
    }
}
项目：OpenJSharp    文件：NashornScriptEngine.java    
private ScriptFunction compileImpl(final Source source, final Global newGlobal) throws ScriptException {
    final Global oldGlobal = Context.getGlobal();
    final boolean globalChanged = (oldGlobal != newGlobal);
    try {
        if (globalChanged) {
            Context.setGlobal(newGlobal);
        }

        return nashornContext.compileScript(source, newGlobal);
    } catch (final Exception e) {
        throwAsScriptException(e, newGlobal);
        throw new AssertionError("should not reach here");
    } finally {
        if (globalChanged) {
            Context.setGlobal(oldGlobal);
        }
    }
}
项目：OpenJSharp    文件：NativeDebug.java    
/**
 * Dump all Nashorn debug mode counters. Calling this may be better if
 * you want to print all counters. This way you can avoid too many callsites
 * due to counter access itself!!
 * @param self self reference
 * @return undefined
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static Object dumpCounters(final Object self) {
    final PrintWriter out = Context.getCurrentErr();

    out.println("ScriptObject count " + ScriptObject.getCount());
    out.println("Scope count " + ScriptObject.getScopeCount());
    out.println("ScriptObject listeners added " + PropertyListeners.getListenersAdded());
    out.println("ScriptObject listeners removed " + PropertyListeners.getListenersRemoved());
    out.println("ScriptFunction constructor calls " + ScriptFunction.getConstructorCount());
    out.println("ScriptFunction invokes " + ScriptFunction.getInvokes());
    out.println("ScriptFunction allocations " + ScriptFunction.getAllocations());
    out.println("PropertyMap count " + PropertyMap.getCount());
    out.println("PropertyMap cloned " + PropertyMap.getClonedCount());
    out.println("PropertyMap history hit " + PropertyMap.getHistoryHit());
    out.println("PropertyMap proto invalidations " + PropertyMap.getProtoInvalidations());
    out.println("PropertyMap proto history hit " + PropertyMap.getProtoHistoryHit());
    out.println("PropertyMap setProtoNewMapCount " + PropertyMap.getSetProtoNewMapCount());
    out.println("Callsite count " + LinkerCallSite.getCount());
    out.println("Callsite misses " + LinkerCallSite.getMissCount());
    out.println("Callsite misses by site at " + LinkerCallSite.getMissSamplingPercentage() + "%");

    LinkerCallSite.getMissCounts(out);

    return UNDEFINED;
}
项目：openjdk-jdk10    文件：Shell.java    
/**
 * Run method logic.
 *
 * @param in input stream for Shell
 * @param out output stream for Shell
 * @param err error stream for Shell
 * @param args arguments to Shell
 *
 * @return exit code
 *
 * @throws IOException if there's a problem setting up the streams
 */
protected final int run(final InputStream in, final OutputStream out, final OutputStream err, final String[] args) throws IOException {
    final Context context = makeContext(in, out, err, args);
    if (context == null) {
        return COMMANDLINE_ERROR;
    }

    final Global global = context.createGlobal();
    final ScriptEnvironment env = context.getEnv();
    final List<String> files = env.getFiles();
    if (files.isEmpty()) {
        return readEvalPrint(context, global);
    }

    if (env._compile_only) {
        return compileScripts(context, global, files);
    }

    if (env._fx) {
        return runFXScripts(context, global, files);
    }

    return runScripts(context, global, files);
}
项目：openjdk-jdk10    文件：NativeJavaImporter.java    
private Object createProperty(final String name) {
    final int len = args.length;

    for (int i = len - 1; i > -1; i--) {
        final Object obj = args[i];

        if (obj instanceof StaticClass) {
            if (((StaticClass)obj).getRepresentedClass().getSimpleName().equals(name)) {
                return obj;
            }
        } else if (obj instanceof NativeJavaPackage) {
            final String pkgName  = ((NativeJavaPackage)obj).getName();
            final String fullName = pkgName.isEmpty() ? name : (pkgName + "." + name);
            final Context context = Global.instance().getContext();
            try {
                return StaticClass.forClass(context.findClass(fullName));
            } catch (final ClassNotFoundException e) {
                // IGNORE
            }
        }
    }
    return null;
}
项目：OpenJSharp    文件：NativeJavaImporter.java    
private Object createProperty(final String name) {
    final int len = args.length;

    for (int i = len - 1; i > -1; i--) {
        final Object obj = args[i];

        if (obj instanceof StaticClass) {
            if (((StaticClass)obj).getRepresentedClass().getSimpleName().equals(name)) {
                return obj;
            }
        } else if (obj instanceof NativeJavaPackage) {
            final String pkgName  = ((NativeJavaPackage)obj).getName();
            final String fullName = pkgName.isEmpty() ? name : (pkgName + "." + name);
            final Context context = Global.instance().getContext();
            try {
                return StaticClass.forClass(context.findClass(fullName));
            } catch (final ClassNotFoundException e) {
                // IGNORE
            }
        }
    }
    return null;
}
项目：OpenJSharp    文件：NashornBeansLinker.java    
private static Method findFunctionalInterfaceMethod(final Class<?> clazz) {
    if (clazz == null) {
        return null;
    }

    for (final Class<?> iface : clazz.getInterfaces()) {
        // check accessiblity up-front
        if (! Context.isAccessibleClass(iface)) {
            continue;
        }

        // check for @FunctionalInterface
        if (iface.isAnnotationPresent(FunctionalInterface.class)) {
            // return the first abstract method
            for (final Method m : iface.getMethods()) {
                if (Modifier.isAbstract(m.getModifiers())) {
                    return m;
                }
            }
        }
    }

    // did not find here, try super class
    return findFunctionalInterfaceMethod(clazz.getSuperclass());
}
项目：openjdk-jdk10    文件：ContextTest.java    
@Test
public void compileErrorTest() {
    final Options options = new Options("");
    final ErrorManager errors = new ErrorManager();
    final Context cx = new Context(options, errors, Thread.currentThread().getContextClassLoader());
    final Global oldGlobal = Context.getGlobal();
    Context.setGlobal(cx.createGlobal());
    try {
        final ScriptFunction script = cx.compileScript(sourceFor("<evalCompileErrorTest>", "*/"), Context.getGlobal());
        if (script != null) {
            fail("Invalid script compiled without errors");
        }
        if (errors.getNumberOfErrors() != 1) {
            fail("Wrong number of errors: " + errors.getNumberOfErrors());
        }
    } finally {
        Context.setGlobal(oldGlobal);
    }
}
项目：OpenJSharp    文件：ClassEmitter.java    
/**
 * Disassemble an array of byte code.
 * @param bytecode  byte array representing bytecode
 * @return disassembly as human readable string
 */
static String disassemble(final byte[] bytecode) {
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try (final PrintWriter pw = new PrintWriter(baos)) {
        final NashornClassReader cr = new NashornClassReader(bytecode);
        final Context ctx = AccessController.doPrivileged(new PrivilegedAction<Context>() {
            @Override
            public Context run() {
                return Context.getContext();
            }
        });
        final TraceClassVisitor tcv = new TraceClassVisitor(null, new NashornTextifier(ctx.getEnv(), cr), pw);
        cr.accept(tcv, 0);
    }

    final String str = new String(baos.toByteArray());
    return str;
}
项目：openjdk-jdk10    文件：Shell.java    
/**
 * Runs launches "fx:bootstrap.js" with the given JavaScript files provided
 * as arguments.
 *
 * @param context the nashorn context
 * @param global the global scope
 * @param files the list of script files to provide
 *
 * @return error code
 * @throws IOException when any script file read results in I/O error
 */
private static int runFXScripts(final Context context, final Global global, final List<String> files) throws IOException {
    final Global oldGlobal = Context.getGlobal();
    final boolean globalChanged = (oldGlobal != global);
    try {
        if (globalChanged) {
            Context.setGlobal(global);
        }

        global.addOwnProperty("$GLOBAL", Property.NOT_ENUMERABLE, global);
        global.addOwnProperty("$SCRIPTS", Property.NOT_ENUMERABLE, files);
        context.load(global, "fx:bootstrap.js");
    } catch (final NashornException e) {
        context.getErrorManager().error(e.toString());
        if (context.getEnv()._dump_on_error) {
            e.printStackTrace(context.getErr());
        }

        return RUNTIME_ERROR;
    } finally {
        context.getOut().flush();
        context.getErr().flush();
        if (globalChanged) {
            Context.setGlobal(oldGlobal);
        }
    }

    return SUCCESS;
}
项目：openjdk-jdk10    文件：ContextTest.java    
@Test
public void evalTest() {
    final Options options = new Options("");
    final ErrorManager errors = new ErrorManager();
    final Context cx = new Context(options, errors, Thread.currentThread().getContextClassLoader());
    final Global oldGlobal = Context.getGlobal();
    Context.setGlobal(cx.createGlobal());
    try {
        String code = "22 + 10";
        assertTrue(32.0 == ((Number)(eval(cx, "<evalTest>", code))).doubleValue());

        code = "obj = { js: 'nashorn' }; obj.js";
        assertEquals(eval(cx, "<evalTest2>", code), "nashorn");
    } finally {
        Context.setGlobal(oldGlobal);
    }
}
项目：OpenJSharp    文件：Shell.java    
/**
 * Run method logic.
 *
 * @param in input stream for Shell
 * @param out output stream for Shell
 * @param err error stream for Shell
 * @param args arguments to Shell
 *
 * @return exit code
 *
 * @throws IOException if there's a problem setting up the streams
 */
protected final int run(final InputStream in, final OutputStream out, final OutputStream err, final String[] args) throws IOException {
    final Context context = makeContext(in, out, err, args);
    if (context == null) {
        return COMMANDLINE_ERROR;
    }

    final Global global = context.createGlobal();
    final ScriptEnvironment env = context.getEnv();
    final List<String> files = env.getFiles();
    if (files.isEmpty()) {
        return readEvalPrint(context, global);
    }

    if (env._compile_only) {
        return compileScripts(context, global, files);
    }

    if (env._fx) {
        return runFXScripts(context, global, files);
    }

    return runScripts(context, global, files);
}
项目：openjdk-jdk10    文件：ScriptObjectMirror.java    
@Override
public Object eval(final String s) {
    return inGlobal(new Callable<Object>() {
        @Override
        public Object call() {
            final Context context = AccessController.doPrivileged(
                    new PrivilegedAction<Context>() {
                        @Override
                        public Context run() {
                            return Context.getContext();
                        }
                    }, GET_CONTEXT_ACC_CTXT);
            return wrapLikeMe(context.eval(global, s, sobj, null));
        }
    });
}
项目：openjdk-jdk10    文件：ScriptObjectMirror.java    
@Override
public void putAll(final Map<? extends String, ? extends Object> map) {
    Objects.requireNonNull(map);
    final ScriptObject oldGlobal = Context.getGlobal();
    final boolean globalChanged = (oldGlobal != global);
    inGlobal(new Callable<Object>() {
        @Override public Object call() {
            for (final Map.Entry<? extends String, ? extends Object> entry : map.entrySet()) {
                final Object value = entry.getValue();
                final Object modValue = globalChanged? wrapLikeMe(value, oldGlobal) : value;
                final String key = entry.getKey();
                checkKey(key);
                sobj.set(key, unwrap(modValue, global), getCallSiteFlags());
            }
            return null;
        }
    });
}
项目：openjdk-jdk10    文件：NativeArray.java    
/**
 * ECMA 15.4.4.7 Array.prototype.push (args...)
 *
 * @param self self reference
 * @param args arguments to push
 * @return array length after pushes
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static Object push(final Object self, final Object... args) {
    try {
        final ScriptObject sobj   = (ScriptObject)self;

        if (bulkable(sobj) && sobj.getArray().length() + args.length <= JSType.MAX_UINT) {
            final ArrayData newData = sobj.getArray().push(true, args);
            sobj.setArray(newData);
            return JSType.toNarrowestNumber(newData.length());
        }

        long len = JSType.toUint32(sobj.getLength());
        for (final Object element : args) {
            sobj.set(len++, element, CALLSITE_STRICT);
        }
        sobj.set("length", len, CALLSITE_STRICT);

        return JSType.toNarrowestNumber(len);
    } catch (final ClassCastException | NullPointerException e) {
        throw typeError(Context.getGlobal(), e, "not.an.object", ScriptRuntime.safeToString(self));
    }
}
项目：openjdk-jdk10    文件：NashornScriptEngine.java    
private ScriptFunction compileImpl(final Source source, final Global newGlobal) throws ScriptException {
    final Global oldGlobal = Context.getGlobal();
    final boolean globalChanged = (oldGlobal != newGlobal);
    try {
        if (globalChanged) {
            Context.setGlobal(newGlobal);
        }

        return nashornContext.compileScript(source, newGlobal);
    } catch (final Exception e) {
        throwAsScriptException(e, newGlobal);
        throw new AssertionError("should not reach here");
    } finally {
        if (globalChanged) {
            Context.setGlobal(oldGlobal);
        }
    }
}
项目：OpenJSharp    文件：ScriptObjectMirror.java    
@Override
public Object call(final Object thiz, final Object... args) {
    final Global oldGlobal = Context.getGlobal();
    final boolean globalChanged = (oldGlobal != global);

    try {
        if (globalChanged) {
            Context.setGlobal(global);
        }

        if (sobj instanceof ScriptFunction) {
            final Object[] modArgs = globalChanged? wrapArray(args, oldGlobal) : args;
            final Object self = globalChanged? wrap(thiz, oldGlobal) : thiz;
            return wrap(ScriptRuntime.apply((ScriptFunction)sobj, unwrap(self, global), unwrapArray(modArgs, global)), global);
        }

        throw new RuntimeException("not a function: " + toString());
    } catch (final NashornException ne) {
        throw ne.initEcmaError(global);
    } catch (final RuntimeException | Error e) {
        throw e;
    } catch (final Throwable t) {
        throw new RuntimeException(t);
    } finally {
        if (globalChanged) {
            Context.setGlobal(oldGlobal);
        }
    }
}
项目：OpenJSharp    文件：ScriptObjectMirror.java    
@Override
public Object newObject(final Object... args) {
    final Global oldGlobal = Context.getGlobal();
    final boolean globalChanged = (oldGlobal != global);

    try {
        if (globalChanged) {
            Context.setGlobal(global);
        }

        if (sobj instanceof ScriptFunction) {
            final Object[] modArgs = globalChanged? wrapArray(args, oldGlobal) : args;
            return wrap(ScriptRuntime.construct((ScriptFunction)sobj, unwrapArray(modArgs, global)), global);
        }

        throw new RuntimeException("not a constructor: " + toString());
    } catch (final NashornException ne) {
        throw ne.initEcmaError(global);
    } catch (final RuntimeException | Error e) {
        throw e;
    } catch (final Throwable t) {
        throw new RuntimeException(t);
    } finally {
        if (globalChanged) {
            Context.setGlobal(oldGlobal);
        }
    }
}
项目：openjdk-jdk10    文件：IteratorAction.java    
/**
 * Apply action main loop.
 * @return result of apply
 */
public final T apply() {
    final boolean strict = Bootstrap.isStrictCallable(callbackfn);

    // for non-strict callback, need to translate undefined thisArg to be global object
    thisArg = (thisArg == ScriptRuntime.UNDEFINED && !strict)? Context.getGlobal() : thisArg;

    applyLoopBegin(iter);
    final boolean reverse = iter.isReverse();
    while (iter.hasNext()) {

        final Object val = iter.next();
        index = iter.nextIndex() + (reverse ? 1 : -1);

        try {
            if (!forEach(val, index)) {
                return result;
            }
        } catch (final RuntimeException | Error e) {
            throw e;
        } catch (final Throwable t) {
            throw new RuntimeException(t);
        }
    }

    return result;
}
项目：OpenJSharp    文件：ScriptObjectMirror.java    
@Override
public void putAll(final Map<? extends String, ? extends Object> map) {
    final ScriptObject oldGlobal = Context.getGlobal();
    final boolean globalChanged = (oldGlobal != global);
    inGlobal(new Callable<Object>() {
        @Override public Object call() {
            for (final Map.Entry<? extends String, ? extends Object> entry : map.entrySet()) {
                final Object value = entry.getValue();
                final Object modValue = globalChanged? wrap(value, oldGlobal) : value;
                sobj.set(entry.getKey(), unwrap(modValue, global), getCallSiteFlags());
            }
            return null;
        }
    });
}
项目：OpenJSharp    文件：ScriptUtils.java    
/**
 * Wrap an array of object to script object mirrors if needed.
 *
 * @param args array to be unwrapped
 * @return wrapped array
 */
public static Object[] wrapArray(final Object[] args) {
    if (args == null || args.length == 0) {
        return args;
    }

    return ScriptObjectMirror.wrapArray(args, Context.getGlobal());
}
项目：openjdk-jdk10    文件：Compiler.java    
/**
 * Convenience constructor for non on-demand compiler instances.
 */
private Compiler(
        final Context context,
        final CodeInstaller installer,
        final Source source,
        final ErrorManager errors,
        final boolean isStrict) {
    this(context, installer, source, errors, isStrict, false, null, null, null, null, null, null);
}
项目：openjdk-jdk10    文件：NativeJava.java    
private static Class<?> simpleType(final String typeName) throws ClassNotFoundException {
    final Class<?> primClass = TypeUtilities.getPrimitiveTypeByName(typeName);
    if(primClass != null) {
        return primClass;
    }
    final Context ctx = Global.getThisContext();
    try {
        return ctx.findClass(typeName);
    } catch(final ClassNotFoundException e) {
        // The logic below compensates for a frequent user error - when people use dot notation to separate inner
        // class names, i.e. "java.lang.Character.UnicodeBlock" vs."java.lang.Character$UnicodeBlock". The logic
        // below will try alternative class names, replacing dots at the end of the name with dollar signs.
        final StringBuilder nextName = new StringBuilder(typeName);
        int lastDot = nextName.length();
        for(;;) {
            lastDot = nextName.lastIndexOf(".", lastDot - 1);
            if(lastDot == -1) {
                // Exhausted the search space, class not found - rethrow the original exception.
                throw e;
            }
            nextName.setCharAt(lastDot, '$');
            try {
                return ctx.findClass(nextName.toString());
            } catch(final ClassNotFoundException cnfe) {
                // Intentionally ignored, so the loop retries with the next name
            }
        }
    }

}
项目：OpenJSharp    文件：NashornScriptEngine.java    
private CompiledScript asCompiledScript(final Source source) throws ScriptException {
    final Context.MultiGlobalCompiledScript mgcs;
    final ScriptFunction func;
    final Global oldGlobal = Context.getGlobal();
    final Global newGlobal = getNashornGlobalFrom(context);
    final boolean globalChanged = (oldGlobal != newGlobal);
    try {
        if (globalChanged) {
            Context.setGlobal(newGlobal);
        }

        mgcs = nashornContext.compileScript(source);
        func = mgcs.getFunction(newGlobal);
    } catch (final Exception e) {
        throwAsScriptException(e, newGlobal);
        throw new AssertionError("should not reach here");
    } finally {
        if (globalChanged) {
            Context.setGlobal(oldGlobal);
        }
    }

    return new CompiledScript() {
        @Override
        public Object eval(final ScriptContext ctxt) throws ScriptException {
            final Global globalObject = getNashornGlobalFrom(ctxt);
            // Are we running the script in the same global in which it was compiled?
            if (func.getScope() == globalObject) {
                return evalImpl(func, ctxt, globalObject);
            }

            // different global
            return evalImpl(mgcs, ctxt, globalObject);
        }
        @Override
        public ScriptEngine getEngine() {
            return NashornScriptEngine.this;
        }
    };
}
项目：openjdk-jdk10    文件：ClassEmitter.java    
/**
 * Constructor from the compiler.
 *
 * @param env           Script environment
 * @param sourceName    Source name
 * @param unitClassName Compile unit class name.
 * @param strictMode    Should we generate this method in strict mode
 */
ClassEmitter(final Context context, final String sourceName, final String unitClassName, final boolean strictMode) {
    this(context,
         new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS) {
            private static final String OBJECT_CLASS  = "java/lang/Object";

            @Override
            protected String getCommonSuperClass(final String type1, final String type2) {
                try {
                    return super.getCommonSuperClass(type1, type2);
                } catch (final RuntimeException e) {
                    if (isScriptObject(Compiler.SCRIPTS_PACKAGE, type1) && isScriptObject(Compiler.SCRIPTS_PACKAGE, type2)) {
                        return className(ScriptObject.class);
                    }
                    return OBJECT_CLASS;
                }
            }
        });

    this.unitClassName        = unitClassName;
    this.constantMethodNeeded = new HashSet<>();

    cw.visit(V1_7, ACC_PUBLIC | ACC_SUPER, unitClassName, null, pathName(jdk.nashorn.internal.scripts.JS.class.getName()), null);
    cw.visitSource(sourceName, null);

    defineCommonStatics(strictMode);
}
项目：OpenJSharp    文件：NativeJava.java    
private static Class<?> simpleType(final String typeName) throws ClassNotFoundException {
    final Class<?> primClass = TypeUtilities.getPrimitiveTypeByName(typeName);
    if(primClass != null) {
        return primClass;
    }
    final Context ctx = Global.getThisContext();
    try {
        return ctx.findClass(typeName);
    } catch(final ClassNotFoundException e) {
        // The logic below compensates for a frequent user error - when people use dot notation to separate inner
        // class names, i.e. "java.lang.Character.UnicodeBlock" vs."java.lang.Character$UnicodeBlock". The logic
        // below will try alternative class names, replacing dots at the end of the name with dollar signs.
        final StringBuilder nextName = new StringBuilder(typeName);
        int lastDot = nextName.length();
        for(;;) {
            lastDot = nextName.lastIndexOf(".", lastDot - 1);
            if(lastDot == -1) {
                // Exhausted the search space, class not found - rethrow the original exception.
                throw e;
            }
            nextName.setCharAt(lastDot, '$');
            try {
                return ctx.findClass(nextName.toString());
            } catch(final ClassNotFoundException cnfe) {
                // Intentionally ignored, so the loop retries with the next name
            }
        }
    }

}
项目：openjdk-jdk10    文件：Main.java    
private void evalImpl(final Context context, final Global global, final String source,
        final PrintWriter err, final boolean doe) {
    try {
        final Object res = context.eval(global, source, global, "<shell>");
        if (res != UNDEFINED) {
            err.println(toString(res, global));
        }
    } catch (final Exception e) {
        err.println(e);
        if (doe) {
            e.printStackTrace(err);
        }
    }
}
项目：OpenJSharp    文件：IteratorAction.java    
/**
 * Apply action main loop.
 * @return result of apply
 */
public final T apply() {
    final boolean strict = Bootstrap.isStrictCallable(callbackfn);

    // for non-strict callback, need to translate undefined thisArg to be global object
    thisArg = (thisArg == ScriptRuntime.UNDEFINED && !strict)? Context.getGlobal() : thisArg;

    applyLoopBegin(iter);
    final boolean reverse = iter.isReverse();
    while (iter.hasNext()) {

        final Object val = iter.next();
        index = iter.nextIndex() + (reverse ? 1 : -1);

        try {
            if (!forEach(val, index)) {
                return result;
            }
        } catch (final RuntimeException | Error e) {
            throw e;
        } catch (final Throwable t) {
            throw new RuntimeException(t);
        }
    }

    return result;
}
项目：OpenJSharp    文件：DebugLogger.java    
private static void logEvent(final RuntimeEvent<?> event) {
    if (event != null) {
        final Global global = Context.getGlobal();
        if (global.has("Debug")) {
            final ScriptObject debug = (ScriptObject)global.get("Debug");
            final ScriptFunction addRuntimeEvent = (ScriptFunction)debug.get("addRuntimeEvent");
            ScriptRuntime.apply(addRuntimeEvent, debug, event);
        }
    }
}
项目：OpenJSharp    文件：JSONWriter.java    
/**
 * Returns AST as JSON compatible string.
 *
 * @param context context
 * @param code code to be parsed
 * @param name name of the code source (used for location)
 * @param includeLoc tells whether to include location information for nodes or not
 * @return JSON string representation of AST of the supplied code
 */
public static String parse(final Context context, final String code, final String name, final boolean includeLoc) {
    final Parser       parser     = new Parser(context.getEnv(), sourceFor(name, code), new Context.ThrowErrorManager(), context.getEnv()._strict, context.getLogger(Parser.class));
    final JSONWriter   jsonWriter = new JSONWriter(includeLoc);
    try {
        final FunctionNode functionNode = parser.parse(); //symbol name is ":program", default
        functionNode.accept(jsonWriter);
        return jsonWriter.getString();
    } catch (final ParserException e) {
        e.throwAsEcmaException();
        return null;
    }
}
项目：openjdk-jdk10    文件：JSONWriter.java    
/**
 * Returns AST as JSON compatible string.
 *
 * @param context context
 * @param code code to be parsed
 * @param name name of the code source (used for location)
 * @param includeLoc tells whether to include location information for nodes or not
 * @return JSON string representation of AST of the supplied code
 */
public static String parse(final Context context, final String code, final String name, final boolean includeLoc) {
    final Parser       parser     = new Parser(context.getEnv(), sourceFor(name, code), new Context.ThrowErrorManager(), context.getEnv()._strict, context.getLogger(Parser.class));
    final JSONWriter   jsonWriter = new JSONWriter(includeLoc);
    try {
        final FunctionNode functionNode = parser.parse(); //symbol name is ":program", default
        functionNode.accept(jsonWriter);
        return jsonWriter.getString();
    } catch (final ParserException e) {
        e.throwAsEcmaException();
        return null;
    }
}
项目：openjdk-jdk10    文件：Global.java    
/**
 * Returns true if the passed function is the built-in "Java.to".
 * @param fn the function in question
 * @return true if the function is built-in "Java.to"
 */
public static boolean isBuiltInJavaTo(final ScriptFunction fn) {
    if(!"to".equals(fn.getName())) {
        // Avoid hitting the thread local if the name doesn't match.
        return false;
    }
    return fn == Context.getGlobal().builtInJavaTo;
}
项目：openjdk-jdk10    文件：DebugLogger.java    
private static void logEvent(final RuntimeEvent<?> event) {
    if (event != null) {
        final Global global = Context.getGlobal();
        if (global.has("Debug")) {
            final ScriptObject debug = (ScriptObject)global.get("Debug");
            final ScriptFunction addRuntimeEvent = (ScriptFunction)debug.get("addRuntimeEvent");
            ScriptRuntime.apply(addRuntimeEvent, debug, event);
        }
    }
}
项目：openjdk-jdk10    文件：FieldObjectCreator.java    
/**
 * Locate (or indirectly create) the object container class.
 */
private void findClass() {
    fieldObjectClassName = isScope() ?
            ObjectClassGenerator.getClassName(fieldCount, paramCount, codegen.useDualFields()) :
            ObjectClassGenerator.getClassName(paddedFieldCount, codegen.useDualFields());

    try {
        this.fieldObjectClass = Context.forStructureClass(Compiler.binaryName(fieldObjectClassName));
    } catch (final ClassNotFoundException e) {
        throw new AssertionError("Nashorn has encountered an internal error.  Structure can not be created.");
    }
}
项目：OpenJSharp    文件：CodeGenerator.java    
@Override
public Node leaveFunctionNode(final FunctionNode functionNode) {
    try {
        final boolean markOptimistic;
        if (emittedMethods.add(functionNode.getName())) {
            markOptimistic = generateUnwarrantedOptimismExceptionHandlers(functionNode);
            generateContinuationHandler();
            method.end(); // wrap up this method
            unit   = lc.popCompileUnit(functionNode.getCompileUnit());
            popMethodEmitter();
            log.info("=== END ", functionNode.getName());
        } else {
            markOptimistic = false;
        }

        FunctionNode newFunctionNode = functionNode.setState(lc, CompilationState.BYTECODE_GENERATED);
        if (markOptimistic) {
            newFunctionNode = newFunctionNode.setFlag(lc, FunctionNode.IS_DEOPTIMIZABLE);
        }

        newFunctionObject(newFunctionNode, true);
        return newFunctionNode;
    } catch (final Throwable t) {
        Context.printStackTrace(t);
        final VerifyError e = new VerifyError("Code generation bug in \"" + functionNode.getName() + "\": likely stack misaligned: " + t + " " + functionNode.getSource().getName());
        e.initCause(t);
        throw e;
    }
}
项目：openjdk-jdk10    文件：ScriptObjectMirror.java    
@Override
public Object call(final Object thiz, final Object... args) {
    final Global oldGlobal = Context.getGlobal();
    final boolean globalChanged = (oldGlobal != global);

    try {
        if (globalChanged) {
            Context.setGlobal(global);
        }

        if (sobj instanceof ScriptFunction) {
            final Object[] modArgs = globalChanged? wrapArrayLikeMe(args, oldGlobal) : args;
            final Object self = globalChanged? wrapLikeMe(thiz, oldGlobal) : thiz;
            return wrapLikeMe(ScriptRuntime.apply((ScriptFunction)sobj, unwrap(self, global), unwrapArray(modArgs, global)));
        }

        throw new RuntimeException("not a function: " + toString());
    } catch (final NashornException ne) {
        throw ne.initEcmaError(global);
    } catch (final RuntimeException | Error e) {
        throw e;
    } catch (final Throwable t) {
        throw new RuntimeException(t);
    } finally {
        if (globalChanged) {
            Context.setGlobal(oldGlobal);
        }
    }
}