/**
* Utility method which dynamically binds a Context to the current thread, if none already exists.
*/
public static Object callMethod(
ContextFactory factory,
final Scriptable thisObj,
final Function f,
final Object[] args,
final long argsToWrap) {
if (f == null) {
// See comments in getFunction
return null;
}
if (factory == null) {
factory = ContextFactory.getGlobal();
}
final Scriptable scope = f.getParentScope();
if (argsToWrap == 0) {
return Context.call(factory, f, scope, thisObj, args);
}
Context cx = Context.getCurrentContext();
if (cx != null) {
return doCall(cx, scope, thisObj, f, args, argsToWrap);
} else {
return factory.call(
new ContextAction() {
public Object run(Context cx) {
return doCall(cx, scope, thisObj, f, args, argsToWrap);
}
});
}
}
void testWriteReadOnly(final boolean acceptWriteReadOnly) throws Exception {
final Method readMethod = Foo.class.getMethod("getMyProp", null);
final Foo foo = new Foo("hello");
foo.defineProperty("myProp", null, readMethod, null, ScriptableObject.EMPTY);
final String script = "foo.myProp = 123; foo.myProp";
final ContextAction action =
new ContextAction() {
public Object run(final Context cx) {
final ScriptableObject top = cx.initStandardObjects();
ScriptableObject.putProperty(top, "foo", foo);
cx.evaluateString(top, script, "script", 0, null);
return null;
}
};
final ContextFactory contextFactory =
new ContextFactory() {
@Override
protected boolean hasFeature(final Context cx, final int featureIndex) {
if (Context.FEATURE_STRICT_MODE == featureIndex) {
return !acceptWriteReadOnly;
}
return super.hasFeature(cx, featureIndex);
}
};
contextFactory.call(action);
}
public Object invoke(
ContextFactory cf,
final Object target,
final Scriptable topScope,
final Method method,
final Object[] args) {
ContextAction action =
new ContextAction() {
public Object run(Context cx) {
return invokeImpl(cx, target, topScope, method, args);
}
};
return cf.call(action);
}
@NeedsContext
private void doLint(final String javaScript) {
contextFactory.call(
new ContextAction() {
public Object run(Context cx) {
String src = javaScript == null ? "" : javaScript;
Object[] args = new Object[] {src, optionsAsJavaScriptObject()};
Function lintFunc = (Function) scope.get("JSLINT", scope);
// JSLINT actually returns a boolean, but we ignore it as we always go
// and look at the errors in more detail.
lintFunc.call(cx, scope, scope, args);
return null;
}
});
}
public void Serialize(final Object obj) {
ContextFactory factory = new JsContextFactory();
final GaeScriptableSerializer self = this;
factory.call(
new ContextAction() {
@Override
public Object run(Context cx) {
Serialize((Scriptable) obj, obj, "/", 0);
return null;
}
});
pr.flush();
}
/**
* Turn the set of options into a JavaScript object, where the key is the name of the option and
* the value is true.
*/
@NeedsContext
private Scriptable optionsAsJavaScriptObject() {
return (Scriptable)
contextFactory.call(
new ContextAction() {
public Object run(Context cx) {
applyDefaultOptions();
Scriptable opts = cx.newObject(scope);
for (Entry<Option, Object> entry : options.entrySet()) {
String key = entry.getKey().getLowerName();
// Use our "custom" version in order to get native arrays.
Object value = Util.javaToJS(entry.getValue(), opts);
opts.put(key, opts, value);
}
return opts;
}
});
}
@NeedsContext
private String callReport(final boolean errorsOnly) {
return (String)
contextFactory.call(
new ContextAction() {
public Object run(Context cx) {
Object[] args = new Object[] {Boolean.valueOf(errorsOnly)};
Scriptable lintScope = (Scriptable) scope.get("JSLINT", scope);
Object report = lintScope.get("report", lintScope);
// Shouldn't happen ordinarily, but some of my tests don't have it.
if (report == UniqueTag.NOT_FOUND) {
return "";
}
Function reportFunc = (Function) report;
return reportFunc.call(cx, scope, scope, args);
}
});
}
/** Assemble the {@link JSLintResult} object. */
@NeedsContext
private JSLintResult buildResults(
final String systemId, final long startNanos, final long endNanos) {
return (JSLintResult)
contextFactory.call(
new ContextAction() {
public Object run(Context cx) {
ResultBuilder b = new JSLintResult.ResultBuilder(systemId);
b.duration(TimeUnit.NANOSECONDS.toMillis(endNanos - startNanos));
for (Issue issue : readErrors(systemId)) {
b.addIssue(issue);
}
// Collect a report on what we've just linted.
b.report(callReport(false));
// Extract JSLINT.data() output and set it on the result.
Scriptable lintScope = (Scriptable) scope.get("JSLINT", scope);
Object o = lintScope.get("data", lintScope);
// Real JSLINT will always have this, but some of my test stubs don't.
if (o != UniqueTag.NOT_FOUND) {
Function reportFunc = (Function) o;
Scriptable data = (Scriptable) reportFunc.call(cx, scope, scope, new Object[] {});
for (String global : Util.listValueOfType("globals", String.class, data)) {
b.addGlobal(global);
}
for (String url : Util.listValueOfType("urls", String.class, data)) {
b.addUrl(url);
}
for (Entry<String, Integer> member : getDataMembers(data).entrySet()) {
b.addMember(member.getKey(), member.getValue());
}
b.json(Util.booleanValue("json", data));
for (JSFunction f :
Util.listValue("functions", data, new JSFunctionConverter())) {
b.addFunction(f);
}
}
return b.build();
}
});
}