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：openjdk-jdk10
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 " + Scope.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;
}
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);
}
}
}
private static boolean isInterfaceImplemented(final Class<?> iface,final ScriptObject sobj) {
for (final Method method : iface.getmethods()) {
// ignore methods of java.lang.Object class
if (method.getDeclaringClass() == Object.class) {
continue;
}
// skip check for default methods - non-abstract,interface methods
if (! Modifier.isAbstract(method.getModifiers())) {
continue;
}
final Object obj = sobj.get(method.getName());
if (! (obj instanceof ScriptFunction)) {
return false;
}
}
return true;
}
/**
* ECMA 15.5.4.11 String.prototype.replace (searchValue,replaceValue)
* @param self self reference
* @param string item to replace
* @param replacement item to replace it with
* @return string after replacement
* @throws Throwable if replacement fails
*/
@Function(attributes = Attribute.NOT_ENUMERABLE)
public static String replace(final Object self,final Object string,final Object replacement) throws Throwable {
final String str = checkObjectToString(self);
final NativeRegExp nativeRegExp;
if (string instanceof NativeRegExp) {
nativeRegExp = (NativeRegExp) string;
} else {
nativeRegExp = NativeRegExp.flatRegExp(JSType.toString(string));
}
if (replacement instanceof ScriptFunction) {
return nativeRegExp.replace(str,"",(ScriptFunction)replacement);
}
return nativeRegExp.replace(str,JSType.toString(replacement),null);
}
@Override
public Iterator<String> propertyIterator() {
// Try __getIds__ first,if not found then try __getKeys__
// In jdk6,we had added "__getIds__" so this is just for compatibility.
Object func = adaptee.get(__getIds__);
if (!(func instanceof ScriptFunction)) {
func = adaptee.get(__getKeys__);
}
Object obj;
if (func instanceof ScriptFunction) {
obj = ScriptRuntime.apply((ScriptFunction)func,adaptee);
} else {
obj = new NativeArray(0);
}
final List<String> array = new ArrayList<>();
for (final Iterator<Object> iter = ArrayLikeIterator.arrayLikeIterator(obj); iter.hasNext(); ) {
array.add((String)iter.next());
}
return array.iterator();
}
项目：openjdk-jdk10
文件：Global.java
private List<jdk.nashorn.internal.runtime.Property> extractBuiltinProperties(final String name,final ScriptObject func) {
final List<jdk.nashorn.internal.runtime.Property> list = new ArrayList<>();
list.addAll(Arrays.asList(func.getMap().getProperties()));
if (func instanceof ScriptFunction) {
final ScriptObject proto = ScriptFunction.getPrototype((ScriptFunction)func);
if (proto != null) {
list.addAll(Arrays.asList(proto.getMap().getProperties()));
}
}
final jdk.nashorn.internal.runtime.Property prop = getProperty(name);
if (prop != null) {
list.add(prop);
}
return list;
}
项目：openjdk-jdk10
文件：NashornScriptEngine.java
private ScriptFunction compileImpl(final Source source,newGlobal);
throw new AssertionError("should not reach here");
} finally {
if (globalChanged) {
Context.setGlobal(oldGlobal);
}
}
}
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);
}
}
private List<jdk.nashorn.internal.runtime.Property> extractBuiltinProperties(final String name,final ScriptObject func) {
final List<jdk.nashorn.internal.runtime.Property> list = new ArrayList<>();
list.addAll(Arrays.asList(func.getMap().getProperties()));
if (func instanceof ScriptFunction) {
final ScriptObject proto = ScriptFunction.getPrototype((ScriptFunction)func);
if (proto != null) {
list.addAll(Arrays.asList(proto.getMap().getProperties()));
}
}
final jdk.nashorn.internal.runtime.Property prop = getProperty(name);
if (prop != null) {
list.add(prop);
}
return list;
}
MethodType getCallSiteType(final FunctionNode functionNode) {
final Type[] types = paramTypeMap.get(functionNode.getId());
if (types == null) {
return null;
}
MethodType mt = MethodType.methodType(returnTypeMap.get(functionNode.getId()).getTypeClass());
if (needsCallee) {
mt = mt.appendParameterTypes(ScriptFunction.class);
}
mt = mt.appendParameterTypes(Object.class); //this
for (final Type type : types) {
if (type == null) {
return null; // not all parameter information is supplied
}
mt = mt.appendParameterTypes(type.getTypeClass());
}
return mt;
}
项目：openjdk-jdk10
文件：NativeFunction.java
/**
* ECMA 15.3.2.1 new Function (p1,p2,...,pn,body)
*
* Constructor
*
* @param newObj is the new operator used for constructing this function
* @param self self reference
* @param args arguments
* @return new NativeFunction
*/
@Constructor(arity = 1)
public static ScriptFunction function(final boolean newObj,final Object self,final Object... args) {
final StringBuilder sb = new StringBuilder();
sb.append("(function (");
final String funcBody;
if (args.length > 0) {
final StringBuilder paramListBuf = new StringBuilder();
for (int i = 0; i < args.length - 1; i++) {
paramListBuf.append(JSType.toString(args[i]));
if (i < args.length - 2) {
paramListBuf.append(",");
}
}
// Now convert function body to a string
funcBody = JSType.toString(args[args.length - 1]);
final String paramList = paramListBuf.toString();
if (!paramList.isEmpty()) {
checkFunctionParameters(paramList);
sb.append(paramList);
}
} else {
funcBody = null;
}
sb.append(") {\n");
if (args.length > 0) {
checkFunctionBody(funcBody);
sb.append(funcBody);
sb.append('\n');
}
sb.append("})");
final Global global = Global.instance();
final Context context = global.getContext();
return (ScriptFunction)context.eval(global,sb.toString(),global,"<function>");
}
/**
* ECMA 15.3.4.2 Function.prototype.toString ( )
*
* @param self self reference
* @return string representation of Function
*/
@Function(attributes = Attribute.NOT_ENUMERABLE)
public static String toString(final Object self) {
if (!(self instanceof ScriptFunction)) {
throw typeError("not.a.function",ScriptRuntime.safetoString(self));
}
return ((ScriptFunction)self).toSource();
}
/**
* ECMA 15.3.4.3 Function.prototype.apply (thisArg,argArray)
*
* @param self self reference
* @param thiz {@code this} arg for apply
* @param array array of argument for apply
* @return result of apply
*/
@Function(attributes = Attribute.NOT_ENUMERABLE)
public static Object apply(final Object self,final Object thiz,final Object array) {
checkCallable(self);
final Object[] args = toApplyArgs(array);
if (self instanceof ScriptFunction) {
return ScriptRuntime.apply((ScriptFunction)self,thiz,args);
} else if (self instanceof JSObject) {
return ((JSObject)self).call(thiz,args);
}
throw new AssertionError("Should not reach here");
}
项目：openjdk-jdk10
文件：Global.java
/**
* Adds jjs shell interactive mode builtin functions to global scope.
*/
public void addShellBuiltins() {
Object value = ScriptFunction.createBuiltin("input",ShellFunctions.INPUT);
addOwnProperty("input",Attribute.NOT_ENUMERABLE,value);
value = ScriptFunction.createBuiltin("evalinput",ShellFunctions.EVALINPUT);
addOwnProperty("evalinput",value);
}
/**
* ECMA 15.3.2.1 new Function (p1,");
}
}
// Now convert function body to a string
funcBody = JSType.toString(args[args.length - 1]);
final String paramList = paramListBuf.toString();
if (!paramList.isEmpty()) {
checkFunctionParameters(paramList);
sb.append(paramList);
}
} else {
funcBody = null;
}
sb.append(") {\n");
if (args.length > 0) {
checkFunctionBody(funcBody);
sb.append(funcBody);
sb.append('\n');
}
sb.append("})");
final Global global = Global.instance();
return (ScriptFunction)Global.directEval(global,"<function>",global.isstrictContext());
}
/**
* Nashorn extension: Error.captureStackTrace. Capture stack trace at the point of call into the Error object provided.
*
* @param self self reference
* @param errorObj the error object
* @return undefined
*/
@Function(attributes = Attribute.NOT_ENUMERABLE,where = Where.CONSTRUCTOR)
public static Object captureStackTrace(final Object self,final Object errorObj) {
final ScriptObject sobj = Global.checkObject(errorObj);
initException(sobj);
sobj.delete(STACK,false);
if (! sobj.has("stack")) {
final ScriptFunction getStack = ScriptFunctionImpl.makeFunction("getStack",GET_STACK);
final ScriptFunction setStack = ScriptFunctionImpl.makeFunction("setStack",SET_STACK);
sobj.addOwnProperty("stack",getStack,setStack);
}
return UNDEFINED;
}
项目：openjdk-jdk10
文件：Bootstrap.java
/**
* Returns if the given object is a "callable"
* @param obj object to be checked for callability
* @return true if the obj is callable
*/
public static boolean isCallable(final Object obj) {
if (obj == ScriptRuntime.UNDEFINED || obj == null) {
return false;
}
return obj instanceof ScriptFunction ||
isJSObjectFunction(obj) ||
BeansLinker.isDynamicmethod(obj) ||
obj instanceof BoundCallable ||
isFunctionalInterfaceObject(obj) ||
obj instanceof Staticclass;
}
项目：openjdk-jdk10
文件：NativeJava.java
/**
* Returns synchronized wrapper version of the given ECMAScript function.
* @param self not used
* @param func the ECMAScript function whose synchronized version is returned.
* @param obj the object (i.e,lock) on which the function synchronizes.
* @return synchronized wrapper version of the given ECMAScript function.
*/
@Function(name="synchronized",attributes = Attribute.NOT_ENUMERABLE,where = Where.CONSTRUCTOR)
public static Object synchronizedFunc(final Object self,final Object func,final Object obj) {
if (func instanceof ScriptFunction) {
return ((ScriptFunction)func).createSynchronized(obj);
}
throw typeError("not.a.function",ScriptRuntime.safetoString(func));
}
项目：openjdk-jdk10
文件：Bootstrap.java
/**
* Returns true if the given object is a strict callable
* @param callable the callable object to be checked for strictness
* @return true if the obj is a strict callable,false if it is a non-strict callable.
* @throws ECMAException with {@code TypeError} if the object is not a callable.
*/
public static boolean isstrictCallable(final Object callable) {
if (callable instanceof ScriptFunction) {
return ((ScriptFunction)callable).isstrict();
} else if (isJSObjectFunction(callable)) {
return ((JSObject)callable).isstrictFunction();
} else if (callable instanceof BoundCallable) {
return isstrictCallable(((BoundCallable)callable).getCallable());
} else if (BeansLinker.isDynamicmethod(callable) ||
callable instanceof Staticclass ||
isFunctionalInterfaceObject(callable)) {
return false;
}
throw notFunction(callable);
}
private static boolean isBuiltinFunctionProperty(final String name) {
final Global instance = Global.instance();
final ScriptFunction builtinFunction = instance.getBuiltinFunction();
if (builtinFunction == null) {
return false; //conservative for compile-only mode
}
final boolean isBuiltinFunction = instance.function == builtinFunction;
return isBuiltinFunction && ScriptFunction.getPrototype(builtinFunction).getProperty(name).isBuiltin();
}
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);
}
}
}
项目：openjdk-jdk10
文件：Global.java
private static boolean isBuiltinFunctionProperty(final String name) {
final Global instance = Global.instance();
final ScriptFunction builtinFunction = instance.getBuiltinFunction();
if (builtinFunction == null) {
return false; //conservative for compile-only mode
}
final boolean isBuiltinFunction = instance.function == builtinFunction;
return isBuiltinFunction && ScriptFunction.getPrototype(builtinFunction).getProperty(name).isBuiltin();
}
项目：openjdk-jdk10
文件：NashornScriptEngine.java
private Object evalImpl(final ScriptFunction script,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);
}
final ScriptContext oldCtxt = ctxtGlobal.getScriptContext();
ctxtGlobal.setScriptContext(ctxt);
try {
return ScriptObjectMirror.translateUndefined(ScriptObjectMirror.wrap(ScriptRuntime.apply(script,ctxtGlobal));
} finally {
ctxtGlobal.setScriptContext(oldCtxt);
}
} catch (final Exception e) {
throwAsScriptException(e,ctxtGlobal);
throw new AssertionError("should not reach here");
} finally {
if (globalChanged) {
Context.setGlobal(oldGlobal);
}
}
}
private void initTypedArray() {
this.builtinArrayBuffer = initConstructorAndSwitchPoint("ArrayBuffer",ScriptFunction.class);
this.builtinDataView = initConstructorAndSwitchPoint("DataView",ScriptFunction.class);
this.builtinint8Array = initConstructorAndSwitchPoint("Int8Array",ScriptFunction.class);
this.builtinUint8Array = initConstructorAndSwitchPoint("Uint8Array",ScriptFunction.class);
this.builtinUint8ClampedArray = initConstructorAndSwitchPoint("Uint8ClampedArray",ScriptFunction.class);
this.builtinint16Array = initConstructorAndSwitchPoint("Int16Array",ScriptFunction.class);
this.builtinUint16Array = initConstructorAndSwitchPoint("Uint16Array",ScriptFunction.class);
this.builtinint32Array = initConstructorAndSwitchPoint("Int32Array",ScriptFunction.class);
this.builtinUint32Array = initConstructorAndSwitchPoint("Uint32Array",ScriptFunction.class);
this.builtinFloat32Array = initConstructorAndSwitchPoint("Float32Array",ScriptFunction.class);
this.builtinFloat64Array = initConstructorAndSwitchPoint("Float64Array",ScriptFunction.class);
}
/**
* Returns synchronized wrapper version of the given ECMAScript function.
* @param self not used
* @param func the ECMAScript function whose synchronized version is returned.
* @param obj the object (i.e,final Object obj) {
if (func instanceof ScriptFunction) {
return ((ScriptFunction)func).makeSynchronizedFunction(obj);
}
throw typeError("not.a.function",ScriptRuntime.safetoString(func));
}
项目：openjdk-jdk10
文件：NativeJSAdapter.java
@SuppressWarnings("unused")
private static boolean isJSAdapter(final Object self,final Object adaptee,final MethodHandle getter,final Object where,final ScriptFunction func) {
final boolean res = self instanceof NativeJSAdapter && ((NativeJSAdapter)self).getAdaptee() == adaptee;
if (res && getter != null) {
try {
return getter.invokeExact(where) == func;
} catch (final RuntimeException | Error e) {
throw e;
} catch (final Throwable t) {
throw new RuntimeException(t);
}
}
return res;
}
private static ScriptFunction makeFunction(final String name,final MethodHandle methodHandle,final Specialization[] specs,final int flags) {
final ScriptFunctionImpl func = new ScriptFunctionImpl(name,methodHandle,null,specs,flags);
func.setPrototype(UNDEFINED);
// Non-constructor built-in functions do not have "prototype" property
func.deleteOwnProperty(func.getMap().findProperty("prototype"));
return func;
}
项目：openjdk-jdk10
文件：NativeFunction.java
/**
* ECMA 15.3.4.3 Function.prototype.apply (thisArg,final Object array) {
checkCallable(self);
final Object[] args = toApplyArgs(array);
if (self instanceof ScriptFunction) {
return ScriptRuntime.apply((ScriptFunction)self,args);
}
throw new AssertionError("Should not reach here");
}
/**
* Returns if the given object is a "callable"
* @param obj object to be checked for callability
* @return true if the obj is callable
*/
public static boolean isCallable(final Object obj) {
if (obj == ScriptRuntime.UNDEFINED || obj == null) {
return false;
}
return obj instanceof ScriptFunction ||
isJSObjectFunction(obj) ||
BeansLinker.isDynamicmethod(obj) ||
obj instanceof BoundCallable ||
isFunctionalInterfaceObject(obj) ||
obj instanceof Staticclass;
}
项目：openjdk-jdk10
文件：Global.java
private <T extends ScriptObject> T initConstructor(final String name,final Class<T> clazz) {
try {
// Assuming class name pattern for built-in JS constructors.
final StringBuilder sb = new StringBuilder(PACKAGE_PREFIX);
sb.append("Native");
sb.append(name);
sb.append("$Constructor");
final Class<?> funcclass = Class.forName(sb.toString());
final T res = clazz.cast(funcclass.getDeclaredConstructor().newInstance());
if (res instanceof ScriptFunction) {
// All global constructor prototypes are not-writable,// not-enumerable and not-configurable.
final ScriptFunction func = (ScriptFunction)res;
func.modifyOwnProperty(func.getProperty("prototype"),Attribute.NON_ENUMERABLE_CONSTANT);
}
if (res.getProto() == null) {
res.setinitialProto(getobjectPrototype());
}
res.setIsBuiltin();
return res;
} catch (final Exception e) {
if (e instanceof RuntimeException) {
throw (RuntimeException)e;
} else {
throw new RuntimeException(e);
}
}
}
项目：openjdk-jdk10
文件：CompilerTest.java
private void compileJSFile(final File file,final TestFilter filter) {
if (VERBOSE) {
log("Begin compiling " + file.getAbsolutePath());
}
final Global oldGlobal = Context.getGlobal();
final boolean globalChanged = (oldGlobal != global);
try {
final char[] buffer = readFully(file);
boolean excluded = false;
if (filter != null) {
final String content = new String(buffer);
excluded = filter.exclude(file,content);
}
if (excluded) {
if (VERBOSE) {
log("Skipping " + file.getAbsolutePath());
}
skipped++;
return;
}
if (globalChanged) {
Context.setGlobal(global);
}
final Source source = sourceFor(file.getAbsolutePath(),buffer);
final ScriptFunction script = context.compileScript(source,global);
if (script == null || context.getErrorManager().getNumberOfErrors() > 0) {
log("Compile Failed: " + file.getAbsolutePath());
Failed++;
} else {
passed++;
}
} catch (final Throwable t) {
log("Compile Failed: " + file.getAbsolutePath() + " : " + t);
if (VERBOSE) {
t.printstacktrace(System.out);
}
Failed++;
} finally {
if (globalChanged) {
Context.setGlobal(oldGlobal);
}
}
if (VERBOSE) {
log("Done compiling " + file.getAbsolutePath());
}
}
项目：openjdk-jdk10
文件：Global.java
项目：openjdk-jdk10
文件：Global.java
ScriptObject getErrorPrototype() {
return ScriptFunction.getPrototype(builtinError);
}
项目：openjdk-jdk10
文件：Global.java
ScriptObject getURIErrorPrototype() {
return ScriptFunction.getPrototype(getBuiltinURIError());
}
private Object evalImpl(final ScriptFunction script,final ScriptContext ctxt) throws ScriptException {
return evalImpl(script,ctxt,getNashornGlobalFrom(ctxt));
}
项目：openjdk-jdk10
文件：SharedContextEvaluator.java
@Override
public int run(final OutputStream out,final OutputStream err,final String[] args) throws IOException {
final Global oldGlobal = Context.getGlobal();
try {
ctxOut.setDelegatee(out);
ctxErr.setDelegatee(err);
final ErrorManager errors = context.getErrorManager();
final Global global = context.createGlobal();
Context.setGlobal(global);
// For each file on the command line.
for (final String fileName : args) {
if (fileName.startsWith("-")) {
// ignore options in shared context mode (which was initialized upfront!)
continue;
}
final File file = new File(fileName);
final ScriptFunction script = context.compileScript(sourceFor(fileName,file.toURI().toURL()),global);
if (script == null || errors.getNumberOfErrors() != 0) {
return COMPILATION_ERROR;
}
try {
ScriptRuntime.apply(script,global);
} catch (final NashornException e) {
errors.error(e.toString());
if (context.getEnv()._dump_on_error) {
e.printstacktrace(context.getErr());
}
return RUNTIME_ERROR;
}
}
} finally {
context.getout().flush();
context.getErr().flush();
Context.setGlobal(oldGlobal);
}
return SUCCESS;
}
项目：openjdk-jdk10
文件：AccessorPropertyDescriptor.java
@Override
public ScriptFunction getSetter() {
return (set instanceof ScriptFunction) ? (ScriptFunction)set : null;
}
项目：openjdk-jdk10
文件：Global.java
ScriptObject getDataViewPrototype() {
return ScriptFunction.getPrototype(getBuiltinDataView());
}
private static void checkCallable(final Object self) {
if (!(self instanceof ScriptFunction || (self instanceof JSObject && ((JSObject)self).isFunction()))) {
throw typeError("not.a.function",ScriptRuntime.safetoString(self));
}
}
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