diff options
Diffstat (limited to 'src/qml/jsruntime/qv4object.cpp')
| -rw-r--r-- | src/qml/jsruntime/qv4object.cpp | 293 |
1 files changed, 80 insertions, 213 deletions
diff --git a/src/qml/jsruntime/qv4object.cpp b/src/qml/jsruntime/qv4object.cpp index 94d5a74fe5..aa8e850aed 100644 --- a/src/qml/jsruntime/qv4object.cpp +++ b/src/qml/jsruntime/qv4object.cpp @@ -38,8 +38,6 @@ ****************************************************************************/ #include "qv4object_p.h" -#include "qv4jsir_p.h" -#include "qv4isel_p.h" #include "qv4objectproto_p.h" #include "qv4stringobject_p.h" #include "qv4argumentsobject_p.h" @@ -51,6 +49,7 @@ #include "qv4identifier_p.h" #include "qv4string_p.h" #include "qv4identifiertable_p.h" +#include "qv4jscall_p.h" #include <stdint.h> @@ -61,6 +60,8 @@ DEFINE_OBJECT_VTABLE(Object); void Object::setInternalClass(InternalClass *ic) { d()->internalClass = ic; + if (ic->isUsedAsProto) + ic->updateProtoUsage(d()); Q_ASSERT(ic && ic->vtable); uint nInline = d()->vtable()->nInlineProperties; if (ic->size <= nInline) @@ -86,6 +87,11 @@ void Object::setProperty(uint index, const Property *p) setProperty(index + SetterOffset, p->set); } +void Heap::Object::setUsedAsProto() +{ + internalClass = internalClass->asProtoClass(); +} + bool Object::setPrototype(Object *proto) { Heap::Object *p = proto ? proto->d() : 0; @@ -108,10 +114,9 @@ ReturnedValue Object::getValue(const Value &thisObject, const Value &v, Property return Encode::undefined(); Scope scope(f->engine()); - ScopedCallData callData(scope); - callData->thisObject = thisObject; - f->call(scope, callData); - return scope.result.asReturnedValue(); + JSCallData jsCallData(scope); + *jsCallData->thisObject = thisObject; + return f->call(jsCallData); } bool Object::putValue(uint memberIndex, const Value &value) @@ -127,25 +132,20 @@ bool Object::putValue(uint memberIndex, const Value &value) if (set) { Scope scope(ic->engine); ScopedFunctionObject setter(scope, set); - ScopedCallData callData(scope, 1); - callData->args[0] = value; - callData->thisObject = this; - setter->call(scope, callData); + JSCallData jsCallData(scope, 1); + jsCallData->args[0] = value; + *jsCallData->thisObject = this; + setter->call(jsCallData); return !ic->engine->hasException; } - goto reject; + return false; } if (!attrs.isWritable()) - goto reject; + return false; setProperty(memberIndex, value); return true; - - reject: - if (engine()->current->strictMode) - engine()->throwTypeError(); - return false; } void Object::defineDefaultProperty(const QString &name, const Value &value) @@ -156,29 +156,29 @@ void Object::defineDefaultProperty(const QString &name, const Value &value) defineDefaultProperty(s, value); } -void Object::defineDefaultProperty(const QString &name, void (*code)(const BuiltinFunction *, Scope &, CallData *), int argumentCount) +void Object::defineDefaultProperty(const QString &name, ReturnedValue (*code)(const FunctionObject *, const Value *thisObject, const Value *argv, int argc), int argumentCount) { ExecutionEngine *e = engine(); Scope scope(e); ScopedString s(scope, e->newIdentifier(name)); ExecutionContext *global = e->rootContext(); - ScopedFunctionObject function(scope, BuiltinFunction::create(global, s, code)); + ScopedFunctionObject function(scope, FunctionObject::createBuiltinFunction(global, s, code)); function->defineReadonlyConfigurableProperty(e->id_length(), Primitive::fromInt32(argumentCount)); defineDefaultProperty(s, function); } -void Object::defineDefaultProperty(String *name, void (*code)(const BuiltinFunction *, Scope &, CallData *), int argumentCount) +void Object::defineDefaultProperty(String *name, ReturnedValue (*code)(const FunctionObject *, const Value *thisObject, const Value *argv, int argc), int argumentCount) { ExecutionEngine *e = engine(); Scope scope(e); ExecutionContext *global = e->rootContext(); - ScopedFunctionObject function(scope, BuiltinFunction::create(global, name, code)); + ScopedFunctionObject function(scope, FunctionObject::createBuiltinFunction(global, name, code)); function->defineReadonlyConfigurableProperty(e->id_length(), Primitive::fromInt32(argumentCount)); defineDefaultProperty(name, function); } -void Object::defineAccessorProperty(const QString &name, void (*getter)(const BuiltinFunction *, Scope &, CallData *), - void (*setter)(const BuiltinFunction *, Scope &, CallData *)) +void Object::defineAccessorProperty(const QString &name, ReturnedValue (*getter)(const FunctionObject *, const Value *, const Value *, int), + ReturnedValue (*setter)(const FunctionObject *, const Value *, const Value *, int)) { ExecutionEngine *e = engine(); Scope scope(e); @@ -186,18 +186,20 @@ void Object::defineAccessorProperty(const QString &name, void (*getter)(const Bu defineAccessorProperty(s, getter, setter); } -void Object::defineAccessorProperty(String *name, void (*getter)(const BuiltinFunction *, Scope &, CallData *), - void (*setter)(const BuiltinFunction *, Scope &, CallData *)) +void Object::defineAccessorProperty(String *name, ReturnedValue (*getter)(const FunctionObject *, const Value *, const Value *, int), + ReturnedValue (*setter)(const FunctionObject *, const Value *, const Value *, int)) { ExecutionEngine *v4 = engine(); QV4::Scope scope(v4); ScopedProperty p(scope); ExecutionContext *global = v4->rootContext(); - p->setGetter(ScopedFunctionObject(scope, (getter ? BuiltinFunction::create(global, name, getter) : 0))); - p->setSetter(ScopedFunctionObject(scope, (setter ? BuiltinFunction::create(global, name, setter) : 0))); + p->setGetter(ScopedFunctionObject(scope, (getter ? FunctionObject::createBuiltinFunction(global, name, getter) : 0))); + p->setSetter(ScopedFunctionObject(scope, (setter ? FunctionObject::createBuiltinFunction(global, name, setter) : 0))); insertMember(name, p, QV4::Attr_Accessor|QV4::Attr_NotConfigurable|QV4::Attr_NotEnumerable); } + + void Object::defineReadonlyProperty(const QString &name, const Value &value) { QV4::ExecutionEngine *e = engine(); @@ -224,9 +226,16 @@ void Object::defineReadonlyConfigurableProperty(String *name, const Value &value insertMember(name, value, Attr_ReadOnly_ButConfigurable); } -void Object::markObjects(Heap::Base *b, MarkStack *stack) +void Heap::Object::markObjects(Heap::Base *b, MarkStack *stack) { - Heap::Object *o = static_cast<Heap::Object *>(b); + Object *o = static_cast<Object *>(b); + if (o->memberData) + o->memberData->mark(stack); + if (o->arrayData) { + o->arrayData->setMarkBit(); + if (o->arrayData->needsMark) + ArrayData::markObjects(o->arrayData, stack); + } uint nInline = o->vtable()->nInlineProperties; Value *v = reinterpret_cast<Value *>(o) + o->vtable()->inlinePropertyOffset; const Value *end = v + nInline; @@ -402,14 +411,14 @@ bool Object::hasOwnProperty(uint index) const return false; } -void Object::construct(const Managed *m, Scope &scope, CallData *) +ReturnedValue Object::callAsConstructor(const FunctionObject *f, const Value *, int) { - scope.result = static_cast<const Object *>(m)->engine()->throwTypeError(); + return f->engine()->throwTypeError(); } -void Object::call(const Managed *m, Scope &scope, CallData *) +ReturnedValue Object::call(const FunctionObject *f, const Value *, const Value *, int) { - scope.result = static_cast<const Object *>(m)->engine()->throwTypeError(); + return f->engine()->throwTypeError(); } ReturnedValue Object::get(const Managed *m, String *name, bool *hasProperty) @@ -472,98 +481,6 @@ bool Object::deleteIndexedProperty(Managed *m, uint index) return static_cast<Object *>(m)->internalDeleteIndexedProperty(index); } -ReturnedValue Object::getLookup(const Managed *m, Lookup *l) -{ - const Object *o = static_cast<const Object *>(m); - PropertyAttributes attrs; - ReturnedValue v = l->lookup(o, &attrs); - if (v != Primitive::emptyValue().asReturnedValue()) { - l->proto = l->classList[0]->prototype; - if (attrs.isData()) { - Q_ASSERT(l->classList[0] == o->internalClass()); - if (l->level == 0) { - uint nInline = o->d()->vtable()->nInlineProperties; - if (l->index < nInline) - l->getter = Lookup::getter0Inline; - else { - l->index -= nInline; - l->getter = Lookup::getter0MemberData; - } - } - else if (l->level == 1) - l->getter = Lookup::getter1; - else if (l->level == 2) - l->getter = Lookup::getter2; - else - l->getter = Lookup::getterFallback; - return v; - } else { - if (l->level == 0) - l->getter = Lookup::getterAccessor0; - else if (l->level == 1) - l->getter = Lookup::getterAccessor1; - else if (l->level == 2) - l->getter = Lookup::getterAccessor2; - else - l->getter = Lookup::getterFallback; - return v; - } - } - return Encode::undefined(); -} - -void Object::setLookup(Managed *m, Lookup *l, const Value &value) -{ - Scope scope(static_cast<Object *>(m)->engine()); - ScopedObject o(scope, static_cast<Object *>(m)); - ScopedString name(scope, scope.engine->current->compilationUnit->runtimeStrings[l->nameIndex]); - - InternalClass *c = o->internalClass(); - uint idx = c->find(name); - if (!o->isArrayObject() || idx != Heap::ArrayObject::LengthPropertyIndex) { - if (idx != UINT_MAX && o->internalClass()->propertyData[idx].isData() && o->internalClass()->propertyData[idx].isWritable()) { - l->classList[0] = o->internalClass(); - l->index = idx; - l->setter = idx < o->d()->vtable()->nInlineProperties ? Lookup::setter0Inline : Lookup::setter0; - o->setProperty(idx, value); - return; - } - - if (idx != UINT_MAX) { - o->putValue(idx, value); - return; - } - } - - o->put(name, value); - - if (o->internalClass() == c) - return; - idx = o->internalClass()->find(name); - if (idx == UINT_MAX) - return; - l->classList[0] = c; - l->classList[3] = o->internalClass(); - l->index = idx; - if (!o->prototype()) { - l->setter = Lookup::setterInsert0; - return; - } - o = o->prototype(); - l->classList[1] = o->internalClass(); - if (!o->prototype()) { - l->setter = Lookup::setterInsert1; - return; - } - o = o->prototype(); - l->classList[2] = o->internalClass(); - if (!o->prototype()) { - l->setter = Lookup::setterInsert2; - return; - } - l->setter = Lookup::setterGeneric; -} - void Object::advanceIterator(Managed *m, ObjectIterator *it, Value *name, uint *index, Property *pd, PropertyAttributes *attrs) { Object *o = static_cast<Object *>(m); @@ -644,14 +561,13 @@ ReturnedValue Object::internalGet(String *name, bool *hasProperty) const name->makeIdentifier(); Identifier *id = name->identifier(); - Scope scope(engine()); - ScopedObject o(scope, this); + Heap::Object *o = d(); while (o) { - uint idx = o->internalClass()->find(id); + uint idx = o->internalClass->find(id); if (idx < UINT_MAX) { if (hasProperty) *hasProperty = true; - return getValue(*o->propertyData(idx), o->internalClass()->propertyData.at(idx)); + return getValue(*o->propertyData(idx), o->internalClass->propertyData.at(idx)); } o = o->prototype(); @@ -725,9 +641,9 @@ bool Object::internalPut(String *name, const Value &value) if (attrs.isAccessor()) { if (memberIndex->as<FunctionObject>()) goto cont; - goto reject; + return false; } else if (!attrs.isWritable()) - goto reject; + return false; else if (isArrayObject() && name->equals(engine->id_length())) { bool ok; uint l = value.asArrayLength(&ok); @@ -737,14 +653,14 @@ bool Object::internalPut(String *name, const Value &value) } ok = setArrayLength(l); if (!ok) - goto reject; + return false; } else { memberIndex.set(engine, value); } return true; } else if (!prototype()) { if (!isExtensible()) - goto reject; + return false; } else { // clause 4 Scope scope(engine); @@ -752,12 +668,12 @@ bool Object::internalPut(String *name, const Value &value) if (!memberIndex.isNull()) { if (attrs.isAccessor()) { if (!memberIndex->as<FunctionObject>()) - goto reject; + return false; } else if (!isExtensible() || !attrs.isWritable()) { - goto reject; + return false; } } else if (!isExtensible()) { - goto reject; + return false; } } @@ -769,24 +685,15 @@ bool Object::internalPut(String *name, const Value &value) Scope scope(engine); ScopedFunctionObject setter(scope, *memberIndex); - ScopedCallData callData(scope, 1); - callData->args[0] = value; - callData->thisObject = this; - setter->call(scope, callData); - return !internalClass()->engine->hasException; + JSCallData jsCallData(scope, 1); + jsCallData->args[0] = value; + *jsCallData->thisObject = this; + setter->call(jsCallData); + return !engine->hasException; } insertMember(name, value); return true; - - reject: - // ### this should be removed once everything is ported to use Object::set() - if (engine->current->strictMode) { - QString message = QLatin1String("Cannot assign to read-only property \"") + - name->toQString() + QLatin1Char('\"'); - engine->throwTypeError(message); - } - return false; } bool Object::internalPutIndexed(uint index, const Value &value) @@ -802,7 +709,7 @@ bool Object::internalPutIndexed(uint index, const Value &value) if (arrayIndex.isNull() && isStringObject()) { if (index < static_cast<StringObject *>(this)->length()) // not writable - goto reject; + return false; } // clause 1 @@ -810,15 +717,15 @@ bool Object::internalPutIndexed(uint index, const Value &value) if (attrs.isAccessor()) { if (arrayIndex->as<FunctionObject>()) goto cont; - goto reject; + return false; } else if (!attrs.isWritable()) - goto reject; + return false; arrayIndex.set(engine, value); return true; } else if (!prototype()) { if (!isExtensible()) - goto reject; + return false; } else { // clause 4 Scope scope(engine); @@ -826,12 +733,12 @@ bool Object::internalPutIndexed(uint index, const Value &value) if (!arrayIndex.isNull()) { if (attrs.isAccessor()) { if (!arrayIndex->as<FunctionObject>()) - goto reject; + return false; } else if (!isExtensible() || !attrs.isWritable()) { - goto reject; + return false; } } else if (!isExtensible()) { - goto reject; + return false; } } @@ -843,21 +750,15 @@ bool Object::internalPutIndexed(uint index, const Value &value) Scope scope(engine); ScopedFunctionObject setter(scope, *arrayIndex); - ScopedCallData callData(scope, 1); - callData->args[0] = value; - callData->thisObject = this; - setter->call(scope, callData); - return !internalClass()->engine->hasException; + JSCallData jsCallData(scope, 1); + jsCallData->args[0] = value; + *jsCallData->thisObject = this; + setter->call(jsCallData); + return !engine->hasException; } arraySet(index, value); return true; - - reject: - // ### this should be removed once everything is ported to use Object::setIndexed() - if (engine->current->strictMode) - engine->throwTypeError(); - return false; } // Section 8.12.7 @@ -878,8 +779,6 @@ bool Object::internalDeleteProperty(String *name) InternalClass::removeMember(this, name->identifier()); return true; } - if (engine()->current->strictMode) - engine()->throwTypeError(); return false; } @@ -896,8 +795,6 @@ bool Object::internalDeleteIndexedProperty(uint index) if (!ad || ad->vtable()->del(this, index)) return true; - if (engine()->current->strictMode) - engine()->throwTypeError(); return false; } @@ -921,7 +818,7 @@ bool Object::__defineOwnProperty__(ExecutionEngine *engine, String *name, const if (attrs.isEmpty() || p->isSubset(attrs, lp, cattrs)) return true; if (!cattrs.isWritable() || attrs.type() == PropertyAttributes::Accessor || attrs.isConfigurable() || attrs.isEnumerable()) - goto reject; + return false; bool succeeded = true; if (attrs.type() == PropertyAttributes::Data) { bool ok; @@ -938,7 +835,7 @@ bool Object::__defineOwnProperty__(ExecutionEngine *engine, String *name, const InternalClass::changeMember(this, engine->id_length(), cattrs); } if (!succeeded) - goto reject; + return false; return true; } @@ -948,7 +845,7 @@ bool Object::__defineOwnProperty__(ExecutionEngine *engine, String *name, const if (memberIndex == UINT_MAX) { // clause 3 if (!isExtensible()) - goto reject; + return false; // clause 4 ScopedProperty pd(scope); pd->copy(p, attrs); @@ -958,26 +855,18 @@ bool Object::__defineOwnProperty__(ExecutionEngine *engine, String *name, const } return __defineOwnProperty__(engine, memberIndex, name, p, attrs); -reject: - if (engine->current->strictMode) - engine->throwTypeError(); - return false; } bool Object::__defineOwnProperty__(ExecutionEngine *engine, uint index, const Property *p, PropertyAttributes attrs) { // 15.4.5.1, 4b if (isArrayObject() && index >= getLength() && !internalClass()->propertyData[Heap::ArrayObject::LengthPropertyIndex].isWritable()) - goto reject; + return false; if (ArgumentsObject::isNonStrictArgumentsObject(this)) return static_cast<ArgumentsObject *>(this)->defineOwnProperty(engine, index, p, attrs); return defineOwnProperty2(engine, index, p, attrs); -reject: - if (engine->current->strictMode) - engine->throwTypeError(); - return false; } bool Object::defineOwnProperty2(ExecutionEngine *engine, uint index, const Property *p, PropertyAttributes attrs) @@ -994,7 +883,7 @@ bool Object::defineOwnProperty2(ExecutionEngine *engine, uint index, const Prope if (!hasProperty) { // clause 3 if (!isExtensible()) - goto reject; + return false; // clause 4 Scope scope(engine); ScopedProperty pp(scope); @@ -1010,10 +899,6 @@ bool Object::defineOwnProperty2(ExecutionEngine *engine, uint index, const Prope } return __defineOwnProperty__(engine, index, 0, p, attrs); -reject: - if (engine->current->strictMode) - engine->throwTypeError(); - return false; } bool Object::__defineOwnProperty__(ExecutionEngine *engine, uint index, String *member, const Property *p, PropertyAttributes attrs) @@ -1040,9 +925,9 @@ bool Object::__defineOwnProperty__(ExecutionEngine *engine, uint index, String * // clause 7 if (!cattrs.isConfigurable()) { if (attrs.isConfigurable()) - goto reject; + return false; if (attrs.hasEnumerable() && attrs.isEnumerable() != cattrs.isEnumerable()) - goto reject; + return false; } // clause 8 @@ -1053,7 +938,7 @@ bool Object::__defineOwnProperty__(ExecutionEngine *engine, uint index, String * if (cattrs.isData() != attrs.isData()) { // 9a if (!cattrs.isConfigurable()) - goto reject; + return false; if (cattrs.isData()) { // 9b cattrs.setType(PropertyAttributes::Accessor); @@ -1079,15 +964,15 @@ bool Object::__defineOwnProperty__(ExecutionEngine *engine, uint index, String * } else if (cattrs.isData() && attrs.isData()) { // clause 10 if (!cattrs.isConfigurable() && !cattrs.isWritable()) { if (attrs.isWritable() || !current->value.sameValue(p->value)) - goto reject; + return false; } } else { // clause 10 Q_ASSERT(cattrs.isAccessor() && attrs.isAccessor()); if (!cattrs.isConfigurable()) { if (!p->value.isEmpty() && current->value.rawValue() != p->value.rawValue()) - goto reject; + return false; if (!p->set.isEmpty() && current->set.rawValue() != p->set.rawValue()) - goto reject; + return false; } } @@ -1102,10 +987,6 @@ bool Object::__defineOwnProperty__(ExecutionEngine *engine, uint index, String * arrayData()->setProperty(scope.engine, index, current); } return true; - reject: - if (engine->current->strictMode) - engine->throwTypeError(); - return false; } @@ -1141,7 +1022,6 @@ void Object::copyArrayData(Object *other) Heap::ArrayData *od = other->d()->arrayData; Heap::ArrayData *dd = d()->arrayData; dd->sparse = new SparseArray(*od->sparse); - dd->freeList = od->freeList; } else { Heap::ArrayData *dd = d()->arrayData; dd->values.size = other->d()->arrayData->values.size; @@ -1257,19 +1137,6 @@ void Heap::ArrayObject::init(const QStringList &list) a->setArrayLengthUnchecked(len); } -ReturnedValue ArrayObject::getLookup(const Managed *m, Lookup *l) -{ - Scope scope(static_cast<const Object *>(m)->engine()); - ScopedString name(scope, scope.engine->current->compilationUnit->runtimeStrings[l->nameIndex]); - if (name->equals(scope.engine->id_length())) { - // special case, as the property is on the object itself - l->getter = Lookup::arrayLengthGetter; - const ArrayObject *a = static_cast<const ArrayObject *>(m); - return a->propertyData(Heap::ArrayObject::LengthPropertyIndex)->asReturnedValue(); - } - return Object::getLookup(m, l); -} - uint ArrayObject::getLength(const Managed *m) { const ArrayObject *a = static_cast<const ArrayObject *>(m); |