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321 Returns true if the function was called as a constructor |
321 Returns true if the function was called as a constructor |
322 (e.g. \c{"new foo()"}); otherwise returns false. |
322 (e.g. \c{"new foo()"}); otherwise returns false. |
323 |
323 |
324 When a function is called as constructor, the thisObject() |
324 When a function is called as constructor, the thisObject() |
325 contains the newly constructed object to be initialized. |
325 contains the newly constructed object to be initialized. |
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326 |
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327 \note This function is only guaranteed to work for a context |
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328 corresponding to native functions. |
326 */ |
329 */ |
327 bool QScriptContext::isCalledAsConstructor() const |
330 bool QScriptContext::isCalledAsConstructor() const |
328 { |
331 { |
329 JSC::CallFrame *frame = const_cast<JSC::ExecState*>(QScriptEnginePrivate::frameForContext(this)); |
332 JSC::CallFrame *frame = const_cast<JSC::ExecState*>(QScriptEnginePrivate::frameForContext(this)); |
330 QScript::APIShim shim(QScript::scriptEngineFromExec(frame)); |
333 QScript::APIShim shim(QScript::scriptEngineFromExec(frame)); |
410 |
413 |
411 /*! |
414 /*! |
412 Returns the activation object of this QScriptContext. The activation |
415 Returns the activation object of this QScriptContext. The activation |
413 object provides access to the local variables associated with this |
416 object provides access to the local variables associated with this |
414 context. |
417 context. |
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418 |
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419 \note The activation object might not be available if there is no |
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420 active QScriptEngineAgent, as it might be optimized. |
415 |
421 |
416 \sa argument(), argumentsObject() |
422 \sa argument(), argumentsObject() |
417 */ |
423 */ |
418 |
424 |
419 QScriptValue QScriptContext::activationObject() const |
425 QScriptValue QScriptContext::activationObject() const |
470 /*! |
476 /*! |
471 Sets the activation object of this QScriptContext to be the given \a |
477 Sets the activation object of this QScriptContext to be the given \a |
472 activation. |
478 activation. |
473 |
479 |
474 If \a activation is not an object, this function does nothing. |
480 If \a activation is not an object, this function does nothing. |
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481 |
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482 \note For a context corresponding to a JavaScript function, this is only |
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483 guarenteed to work if there was an QScriptEngineAgent active on the |
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484 engine while the function was evaluated. |
475 */ |
485 */ |
476 void QScriptContext::setActivationObject(const QScriptValue &activation) |
486 void QScriptContext::setActivationObject(const QScriptValue &activation) |
477 { |
487 { |
478 if (!activation.isObject()) |
488 if (!activation.isObject()) |
479 return; |
489 return; |