diff options
Diffstat (limited to 'src/qml/jsruntime/qv4stringobject.cpp')
| -rw-r--r-- | src/qml/jsruntime/qv4stringobject.cpp | 916 |
1 files changed, 600 insertions, 316 deletions
diff --git a/src/qml/jsruntime/qv4stringobject.cpp b/src/qml/jsruntime/qv4stringobject.cpp index 81f5c3566c..8186153ba4 100644 --- a/src/qml/jsruntime/qv4stringobject.cpp +++ b/src/qml/jsruntime/qv4stringobject.cpp @@ -44,18 +44,14 @@ #include "qv4objectproto_p.h" #include <private/qv4mm_p.h> #include "qv4scopedvalue_p.h" +#include "qv4symbol_p.h" #include "qv4alloca_p.h" +#include "qv4jscall_p.h" +#include "qv4stringiterator_p.h" #include <QtCore/QDateTime> #include <QtCore/QDebug> #include <QtCore/QStringList> -#include <private/qqmljsengine_p.h> -#include <private/qqmljslexer_p.h> -#include <private/qqmljsparser_p.h> -#include <private/qqmljsast_p.h> -#include <qv4jsir_p.h> -#include <qv4codegen_p.h> - #include <cassert> #ifndef Q_OS_WIN @@ -78,71 +74,93 @@ void Heap::StringObject::init() Object::init(); Q_ASSERT(vtable() == QV4::StringObject::staticVTable()); string.set(internalClass->engine, internalClass->engine->id_empty()->d()); - setProperty(internalClass->engine, LengthPropertyIndex, Primitive::fromInt32(0)); + setProperty(internalClass->engine, LengthPropertyIndex, Value::fromInt32(0)); } void Heap::StringObject::init(const QV4::String *str) { Object::init(); string.set(internalClass->engine, str->d()); - setProperty(internalClass->engine, LengthPropertyIndex, Primitive::fromInt32(length())); + setProperty(internalClass->engine, LengthPropertyIndex, Value::fromInt32(length())); } Heap::String *Heap::StringObject::getIndex(uint index) const { QString str = string->toQString(); if (index >= (uint)str.length()) - return 0; + return nullptr; return internalClass->engine->newString(str.mid(index, 1)); } uint Heap::StringObject::length() const { - return string->len; + return string->length(); } -bool StringObject::deleteIndexedProperty(Managed *m, uint index) +bool StringObject::virtualDeleteProperty(Managed *m, PropertyKey id) { - ExecutionEngine *v4 = static_cast<StringObject *>(m)->engine(); - Scope scope(v4); - Scoped<StringObject> o(scope, m->as<StringObject>()); - Q_ASSERT(!!o); - - if (index < static_cast<uint>(o->d()->string->toQString().length())) { - if (v4->current->strictMode) - v4->throwTypeError(); - return false; + Q_ASSERT(m->as<StringObject>()); + if (id.isArrayIndex()) { + StringObject *o = static_cast<StringObject *>(m); + uint index = id.asArrayIndex(); + if (index < static_cast<uint>(o->d()->string->toQString().length())) + return false; } - return true; + return Object::virtualDeleteProperty(m, id); } -void StringObject::advanceIterator(Managed *m, ObjectIterator *it, Value *name, uint *index, Property *p, PropertyAttributes *attrs) +struct StringObjectOwnPropertyKeyIterator : ObjectOwnPropertyKeyIterator +{ + ~StringObjectOwnPropertyKeyIterator() override = default; + PropertyKey next(const QV4::Object *o, Property *pd = nullptr, PropertyAttributes *attrs = nullptr) override; + +}; + +PropertyKey StringObjectOwnPropertyKeyIterator::next(const QV4::Object *o, Property *pd, PropertyAttributes *attrs) { - name->setM(0); - StringObject *s = static_cast<StringObject *>(m); + const StringObject *s = static_cast<const StringObject *>(o); uint slen = s->d()->string->toQString().length(); - if (it->arrayIndex <= slen) { - while (it->arrayIndex < slen) { - *index = it->arrayIndex; - ++it->arrayIndex; - PropertyAttributes a; - Property pd; - s->getOwnProperty(*index, &a, &pd); - if (!(it->flags & ObjectIterator::EnumerableOnly) || a.isEnumerable()) { - *attrs = a; - p->copy(&pd, a); - return; - } - } + if (arrayIndex < slen) { + uint index = arrayIndex; + ++arrayIndex; + if (attrs) + *attrs = Attr_NotConfigurable|Attr_NotWritable; + if (pd) + pd->value = s->getIndex(index); + return PropertyKey::fromArrayIndex(index); + } else if (arrayIndex == slen) { if (s->arrayData()) { - it->arrayNode = s->sparseBegin(); + arrayNode = s->sparseBegin(); // iterate until we're past the end of the string - while (it->arrayNode && it->arrayNode->key() < slen) - it->arrayNode = it->arrayNode->nextNode(); + while (arrayNode && arrayNode->key() < slen) + arrayNode = arrayNode->nextNode(); } } - return Object::advanceIterator(m, it, name, index, p, attrs); + return ObjectOwnPropertyKeyIterator::next(o, pd, attrs); +} + +OwnPropertyKeyIterator *StringObject::virtualOwnPropertyKeys(const Object *m, Value *target) +{ + *target = *m; + return new StringObjectOwnPropertyKeyIterator; +} + +PropertyAttributes StringObject::virtualGetOwnProperty(const Managed *m, PropertyKey id, Property *p) +{ + PropertyAttributes attributes = Object::virtualGetOwnProperty(m, id, p); + if (attributes != Attr_Invalid) + return attributes; + + const StringObject *s = static_cast<const StringObject *>(m); + uint slen = s->d()->string->toQString().length(); + uint index = id.asArrayIndex(); + if (index < slen) { + if (p) + p->value = s->getIndex(index); + return Attr_NotConfigurable|Attr_NotWritable; + } + return Object::virtualGetOwnProperty(m, id, p); } DEFINE_OBJECT_VTABLE(StringCtor); @@ -152,24 +170,114 @@ void Heap::StringCtor::init(QV4::ExecutionContext *scope) Heap::FunctionObject::init(scope, QStringLiteral("String")); } -void StringCtor::construct(const Managed *m, Scope &scope, CallData *callData) +ReturnedValue StringCtor::virtualCallAsConstructor(const FunctionObject *f, const Value *argv, int argc, const Value *newTarget) { - ExecutionEngine *v4 = static_cast<const Object *>(m)->engine(); + ExecutionEngine *v4 = static_cast<const Object *>(f)->engine(); + Scope scope(v4); ScopedString value(scope); - if (callData->argc) - value = callData->args[0].toString(v4); + if (argc) + value = argv[0].toString(v4); else value = v4->newString(); - scope.result = Encode(v4->newStringObject(value)); + CHECK_EXCEPTION(); + ReturnedValue o = Encode(v4->newStringObject(value)); + + if (!newTarget) + return o; + ScopedObject obj(scope, o); + obj->setProtoFromNewTarget(newTarget); + return obj->asReturnedValue(); } -void StringCtor::call(const Managed *, Scope &scope, CallData *callData) +ReturnedValue StringCtor::virtualCall(const FunctionObject *m, const Value *, const Value *argv, int argc) { - ExecutionEngine *v4 = scope.engine; - if (callData->argc) - scope.result = callData->args[0].toString(v4); - else - scope.result = v4->newString(); + ExecutionEngine *v4 = m->engine(); + if (!argc) + return v4->newString()->asReturnedValue(); + if (argv[0].isSymbol()) + return v4->newString(argv[0].symbolValue()->descriptiveString())->asReturnedValue(); + return argv[0].toString(v4)->asReturnedValue(); +} + +ReturnedValue StringCtor::method_fromCharCode(const FunctionObject *b, const Value *, const Value *argv, int argc) +{ + QString str(argc, Qt::Uninitialized); + QChar *ch = str.data(); + for (int i = 0, ei = argc; i < ei; ++i) { + *ch = QChar(argv[i].toUInt16()); + ++ch; + } + *ch = 0; + return Encode(b->engine()->newString(str)); +} + + + +ReturnedValue StringCtor::method_fromCodePoint(const FunctionObject *f, const Value *, const Value *argv, int argc) +{ + ExecutionEngine *e = f->engine(); + QString result(argc*2, Qt::Uninitialized); // assume worst case + QChar *ch = result.data(); + for (int i = 0; i < argc; ++i) { + double num = argv[i].toNumber(); + if (e->hasException) + return Encode::undefined(); + int cp = static_cast<int>(num); + if (cp != num || cp < 0 || cp > 0x10ffff) + return e->throwRangeError(QStringLiteral("String.fromCodePoint: argument out of range.")); + if (cp > 0xffff) { + *ch = QChar::highSurrogate(cp); + ++ch; + *ch = QChar::lowSurrogate(cp); + } else { + *ch = cp; + } + ++ch; + } + *ch = 0; + result.truncate(ch - result.constData()); + return e->newString(result)->asReturnedValue(); +} + +ReturnedValue StringCtor::method_raw(const FunctionObject *f, const Value *, const Value *argv, int argc) +{ + Scope scope(f); + if (!argc) + return scope.engine->throwTypeError(); + + ScopedObject cooked(scope, argv[0].toObject(scope.engine)); + if (!cooked) + return scope.engine->throwTypeError(); + ScopedString rawString(scope, scope.engine->newIdentifier(QStringLiteral("raw"))); + ScopedValue rawValue(scope, cooked->get(rawString)); + ScopedObject raw(scope, rawValue->toObject(scope.engine)); + if (scope.hasException()) + return Encode::undefined(); + + ++argv; + --argc; + + QString result; + uint literalSegments = raw->getLength(); + if (!literalSegments) + return scope.engine->id_empty()->asReturnedValue(); + + uint nextIndex = 0; + ScopedValue val(scope); + while (1) { + val = raw->get(nextIndex); + result += val->toQString(); + if (scope.engine->hasException) + return Encode::undefined(); + if (nextIndex + 1 == literalSegments) + return scope.engine->newString(result)->asReturnedValue(); + + if (nextIndex < static_cast<uint>(argc)) + result += argv[nextIndex].toQString(); + if (scope.engine->hasException) + return Encode::undefined(); + ++nextIndex; + } } void StringPrototype::init(ExecutionEngine *engine, Object *ctor) @@ -177,15 +285,24 @@ void StringPrototype::init(ExecutionEngine *engine, Object *ctor) Scope scope(engine); ScopedObject o(scope); + // need to set this once again, as these were not fully defined when creating the string proto + Heap::InternalClass *ic = scope.engine->classes[ExecutionEngine::Class_StringObject]->changePrototype(scope.engine->objectPrototype()->d()); + d()->internalClass.set(scope.engine, ic); + d()->string.set(scope.engine, scope.engine->id_empty()->d()); + setProperty(scope.engine, Heap::StringObject::LengthPropertyIndex, Value::fromInt32(0)); + ctor->defineReadonlyProperty(engine->id_prototype(), (o = this)); - ctor->defineReadonlyProperty(engine->id_length(), Primitive::fromInt32(1)); - ctor->defineDefaultProperty(QStringLiteral("fromCharCode"), method_fromCharCode, 1); + ctor->defineReadonlyConfigurableProperty(engine->id_length(), Value::fromInt32(1)); + ctor->defineDefaultProperty(QStringLiteral("fromCharCode"), StringCtor::method_fromCharCode, 1); + ctor->defineDefaultProperty(QStringLiteral("fromCodePoint"), StringCtor::method_fromCodePoint, 1); + ctor->defineDefaultProperty(QStringLiteral("raw"), StringCtor::method_raw, 1); defineDefaultProperty(QStringLiteral("constructor"), (o = ctor)); defineDefaultProperty(engine->id_toString(), method_toString); defineDefaultProperty(engine->id_valueOf(), method_toString); // valueOf and toString are identical defineDefaultProperty(QStringLiteral("charAt"), method_charAt, 1); defineDefaultProperty(QStringLiteral("charCodeAt"), method_charCodeAt, 1); + defineDefaultProperty(QStringLiteral("codePointAt"), method_codePointAt, 1); defineDefaultProperty(QStringLiteral("concat"), method_concat, 1); defineDefaultProperty(QStringLiteral("endsWith"), method_endsWith, 1); defineDefaultProperty(QStringLiteral("indexOf"), method_indexOf, 1); @@ -193,6 +310,9 @@ void StringPrototype::init(ExecutionEngine *engine, Object *ctor) defineDefaultProperty(QStringLiteral("lastIndexOf"), method_lastIndexOf, 1); defineDefaultProperty(QStringLiteral("localeCompare"), method_localeCompare, 1); defineDefaultProperty(QStringLiteral("match"), method_match, 1); + defineDefaultProperty(QStringLiteral("normalize"), method_normalize, 0); + defineDefaultProperty(QStringLiteral("padEnd"), method_padEnd, 1); + defineDefaultProperty(QStringLiteral("padStart"), method_padStart, 1); defineDefaultProperty(QStringLiteral("repeat"), method_repeat, 1); defineDefaultProperty(QStringLiteral("replace"), method_replace, 2); defineDefaultProperty(QStringLiteral("search"), method_search, 1); @@ -206,142 +326,187 @@ void StringPrototype::init(ExecutionEngine *engine, Object *ctor) defineDefaultProperty(QStringLiteral("toUpperCase"), method_toUpperCase); defineDefaultProperty(QStringLiteral("toLocaleUpperCase"), method_toLocaleUpperCase); defineDefaultProperty(QStringLiteral("trim"), method_trim); + defineDefaultProperty(engine->symbol_iterator(), method_iterator); } -static QString getThisString(Scope &scope, CallData *callData) +static Heap::String *thisAsString(ExecutionEngine *v4, const QV4::Value *thisObject) { - ScopedValue t(scope, callData->thisObject); - if (String *s = t->stringValue()) + if (String *s = thisObject->stringValue()) + return s->d(); + if (const StringObject *thisString = thisObject->as<StringObject>()) + return thisString->d()->string; + return thisObject->toString(v4); +} + +static QString getThisString(ExecutionEngine *v4, const QV4::Value *thisObject) +{ + if (String *s = thisObject->stringValue()) return s->toQString(); - if (StringObject *thisString = t->as<StringObject>()) + if (const StringObject *thisString = thisObject->as<StringObject>()) return thisString->d()->string->toQString(); - if (t->isUndefined() || t->isNull()) { - scope.engine->throwTypeError(); + if (thisObject->isUndefined() || thisObject->isNull()) { + v4->throwTypeError(); return QString(); } - return t->toQString(); + return thisObject->toQString(); } -void StringPrototype::method_toString(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_toString(const FunctionObject *b, const Value *thisObject, const Value *, int) { - if (callData->thisObject.isString()) - RETURN_RESULT(callData->thisObject); + if (thisObject->isString()) + return thisObject->asReturnedValue(); - StringObject *o = callData->thisObject.as<StringObject>(); + ExecutionEngine *v4 = b->engine(); + const StringObject *o = thisObject->as<StringObject>(); if (!o) - THROW_TYPE_ERROR(); - scope.result = o->d()->string; + return v4->throwTypeError(); + return o->d()->string->asReturnedValue(); } -void StringPrototype::method_charAt(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_charAt(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - const QString str = getThisString(scope, callData); - CHECK_EXCEPTION(); + ExecutionEngine *v4 = b->engine(); + const QString str = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); int pos = 0; - if (callData->argc > 0) - pos = (int) callData->args[0].toInteger(); + if (argc > 0) + pos = (int) argv[0].toInteger(); QString result; if (pos >= 0 && pos < str.length()) result += str.at(pos); - scope.result = scope.engine->newString(result); + return Encode(v4->newString(result)); } -void StringPrototype::method_charCodeAt(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_charCodeAt(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - const QString str = getThisString(scope, callData); - CHECK_EXCEPTION(); + ExecutionEngine *v4 = b->engine(); + const QString str = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); int pos = 0; - if (callData->argc > 0) - pos = (int) callData->args[0].toInteger(); + if (argc > 0) + pos = (int) argv[0].toInteger(); if (pos >= 0 && pos < str.length()) RETURN_RESULT(Encode(str.at(pos).unicode())); - scope.result = Encode(qt_qnan()); + return Encode(qt_qnan()); } -void StringPrototype::method_concat(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_codePointAt(const FunctionObject *f, const Value *thisObject, const Value *argv, int argc) { - QString value = getThisString(scope, callData); - CHECK_EXCEPTION(); + ExecutionEngine *v4 = f->engine(); + QString value = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); + + int index = argc ? argv[0].toInteger() : 0; + if (v4->hasException) + return QV4::Encode::undefined(); + + if (index < 0 || index >= value.size()) + return Encode::undefined(); + + uint first = value.at(index).unicode(); + if (QChar::isHighSurrogate(first) && index + 1 < value.size()) { + uint second = value.at(index + 1).unicode(); + if (QChar::isLowSurrogate(second)) + return Encode(QChar::surrogateToUcs4(first, second)); + } + return Encode(first); +} + +ReturnedValue StringPrototype::method_concat(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) +{ + ExecutionEngine *v4 = b->engine(); + QString value = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); + Scope scope(v4); ScopedString s(scope); - for (int i = 0; i < callData->argc; ++i) { - s = callData->args[i].toString(scope.engine); - CHECK_EXCEPTION(); + for (int i = 0; i < argc; ++i) { + s = argv[i].toString(scope.engine); + if (v4->hasException) + return QV4::Encode::undefined(); Q_ASSERT(s->isString()); value += s->toQString(); } - scope.result = scope.engine->newString(value); + return Encode(v4->newString(value)); } -void StringPrototype::method_endsWith(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_endsWith(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - QString value = getThisString(scope, callData); - CHECK_EXCEPTION(); + ExecutionEngine *v4 = b->engine(); + const QString value = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); - QString searchString; - if (callData->argc) { - if (callData->args[0].as<RegExpObject>()) - THROW_TYPE_ERROR(); - searchString = callData->args[0].toQString(); - } + if (argc && argv[0].as<RegExpObject>()) + return v4->throwTypeError(); + QString searchString = (argc ? argv[0] : Value::undefinedValue()).toQString(); + if (v4->hasException) + return Encode::undefined(); int pos = value.length(); - if (callData->argc > 1) - pos = (int) callData->args[1].toInteger(); + if (argc > 1) + pos = (int) argv[1].toInteger(); if (pos == value.length()) RETURN_RESULT(Encode(value.endsWith(searchString))); QStringRef stringToSearch = value.leftRef(pos); - scope.result = Encode(stringToSearch.endsWith(searchString)); + return Encode(stringToSearch.endsWith(searchString)); } -void StringPrototype::method_indexOf(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_indexOf(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - QString value = getThisString(scope, callData); - CHECK_EXCEPTION(); + ExecutionEngine *v4 = b->engine(); + const QString value = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); - QString searchString; - if (callData->argc) - searchString = callData->args[0].toQString(); + QString searchString = (argc ? argv[0] : Value::undefinedValue()).toQString(); + if (v4->hasException) + return Encode::undefined(); int pos = 0; - if (callData->argc > 1) - pos = (int) callData->args[1].toInteger(); + if (argc > 1) + pos = (int) argv[1].toInteger(); int index = -1; if (! value.isEmpty()) index = value.indexOf(searchString, qMin(qMax(pos, 0), value.length())); - scope.result = Encode(index); + return Encode(index); } -void StringPrototype::method_includes(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_includes(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - QString value = getThisString(scope, callData); - CHECK_EXCEPTION(); + ExecutionEngine *v4 = b->engine(); + const QString value = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); - QString searchString; - if (callData->argc) { - if (callData->args[0].as<RegExpObject>()) - THROW_TYPE_ERROR(); - searchString = callData->args[0].toQString(); - } + if (argc && argv[0].as<RegExpObject>()) + return v4->throwTypeError(); + QString searchString = (argc ? argv[0] : Value::undefinedValue()).toQString(); + if (v4->hasException) + return Encode::undefined(); int pos = 0; - if (callData->argc > 1) { - ScopedValue posArg(scope, callData->argument(1)); - pos = (int) posArg->toInteger(); - if (!posArg->isInteger() && posArg->isNumber() && qIsInf(posArg->toNumber())) + if (argc > 1) { + const Value &posArg = argv[1]; + pos = (int) posArg.toInteger(); + if (!posArg.isInteger() && posArg.isNumber() && qIsInf(posArg.toNumber())) pos = value.length(); } @@ -349,20 +514,21 @@ void StringPrototype::method_includes(const BuiltinFunction *, Scope &scope, Cal RETURN_RESULT(Encode(value.contains(searchString))); QStringRef stringToSearch = value.midRef(pos); - scope.result = Encode(stringToSearch.contains(searchString)); + return Encode(stringToSearch.contains(searchString)); } -void StringPrototype::method_lastIndexOf(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_lastIndexOf(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - const QString value = getThisString(scope, callData); - CHECK_EXCEPTION(); + ExecutionEngine *v4 = b->engine(); + const QString value = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); - QString searchString; - if (callData->argc) - searchString = callData->args[0].toQString(); + QString searchString = (argc ? argv[0] : Value::undefinedValue()).toQString(); + if (v4->hasException) + return Encode::undefined(); - ScopedValue posArg(scope, callData->argument(1)); - double position = RuntimeHelpers::toNumber(posArg); + double position = argc > 1 ? RuntimeHelpers::toNumber(argv[1]) : +qInf(); if (std::isnan(position)) position = +qInf(); else @@ -374,97 +540,181 @@ void StringPrototype::method_lastIndexOf(const BuiltinFunction *, Scope &scope, if (searchString.isNull() && pos == 0) RETURN_RESULT(Encode(-1)); int index = value.lastIndexOf(searchString, pos); - scope.result = Encode(index); + return Encode(index); } -void StringPrototype::method_localeCompare(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_localeCompare(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - const QString value = getThisString(scope, callData); - CHECK_EXCEPTION(); + ExecutionEngine *v4 = b->engine(); + const QString value = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); - ScopedValue v(scope, callData->argument(0)); - const QString that = v->toQString(); - scope.result = Encode(QString::localeAwareCompare(value, that)); + const QString that = (argc ? argv[0] : Value::undefinedValue()).toQString(); + return Encode(QString::localeAwareCompare(value, that)); } -void StringPrototype::method_match(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_match(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - if (callData->thisObject.isUndefined() || callData->thisObject.isNull()) - THROW_TYPE_ERROR(); + ExecutionEngine *v4 = b->engine(); + if (thisObject->isNullOrUndefined()) + return v4->throwTypeError(); + + Scope scope(v4); + if (argc && !argv[0].isNullOrUndefined()) { + ScopedObject r(scope, argv[0].toObject(scope.engine)); + if (scope.hasException()) + return Encode::undefined(); + ScopedValue f(scope, r->get(scope.engine->symbol_match())); + if (!f->isNullOrUndefined()) { + ScopedFunctionObject fo(scope, f); + if (!fo) + return scope.engine->throwTypeError(); + return fo->call(r, thisObject, 1); + } + } - ScopedString s(scope, callData->thisObject.toString(scope.engine)); + ScopedString s(scope, thisObject->toString(v4)); + if (v4->hasException) + return Encode::undefined(); - ScopedValue regexp(scope, callData->argument(0)); - Scoped<RegExpObject> rx(scope, regexp); - if (!rx) { - ScopedCallData callData(scope, 1); - callData->args[0] = regexp; - scope.engine->regExpCtor()->construct(scope, callData); - rx = scope.result.asReturnedValue(); + Scoped<RegExpObject> that(scope, argc ? argv[0] : Value::undefinedValue()); + if (!that) { + // convert args[0] to a regexp + that = RegExpCtor::virtualCallAsConstructor(b, argv, argc, b); + if (v4->hasException) + return Encode::undefined(); } + Q_ASSERT(!!that); - if (!rx) - // ### CHECK - THROW_TYPE_ERROR(); + ScopedFunctionObject match(scope, that->get(scope.engine->symbol_match())); + if (!match) + return scope.engine->throwTypeError(); + return match->call(that, s, 1); +} - bool global = rx->global(); +ReturnedValue StringPrototype::method_normalize(const FunctionObject *f, const Value *thisObject, const Value *argv, int argc) +{ + ExecutionEngine *v4 = f->engine(); + const QString value = getThisString(v4, thisObject); + if (v4->hasException) + return Encode::undefined(); + + QString::NormalizationForm form = QString::NormalizationForm_C; + if (argc >= 1 && !argv[0].isUndefined()) { + QString f = argv[0].toQString(); + if (v4->hasException) + return Encode::undefined(); + if (f == QLatin1String("NFC")) + form = QString::NormalizationForm_C; + else if (f == QLatin1String("NFD")) + form = QString::NormalizationForm_D; + else if (f == QLatin1String("NFKC")) + form = QString::NormalizationForm_KC; + else if (f == QLatin1String("NFKD")) + form = QString::NormalizationForm_KD; + else + return v4->throwRangeError(QLatin1String("String.prototype.normalize: Invalid normalization form.")); + } + QString normalized = value.normalized(form); + return v4->newString(normalized)->asReturnedValue(); +} - // ### use the standard builtin function, not the one that might be redefined in the proto - ScopedString execString(scope, scope.engine->newString(QStringLiteral("exec"))); - ScopedFunctionObject exec(scope, scope.engine->regExpPrototype()->get(execString)); +ReturnedValue StringPrototype::method_padEnd(const FunctionObject *f, const Value *thisObject, const Value *argv, int argc) +{ + ExecutionEngine *v4 = f->engine(); + if (thisObject->isNullOrUndefined()) + return v4->throwTypeError(); - ScopedCallData cData(scope, 1); - cData->thisObject = rx; - cData->args[0] = s; - if (!global) { - exec->call(scope, cData); - return; + Scope scope(v4); + ScopedString s(scope, thisAsString(v4, thisObject)); + if (v4->hasException) + return Encode::undefined(); + if (!argc) + return s->asReturnedValue(); + + int maxLen = argv[0].toInteger(); + if (maxLen <= s->d()->length()) + return s->asReturnedValue(); + QString fillString = (argc > 1 && !argv[1].isUndefined()) ? argv[1].toQString() : QString::fromLatin1(" "); + if (v4->hasException) + return Encode::undefined(); + + if (fillString.isEmpty()) + return s->asReturnedValue(); + + QString padded = s->toQString(); + int oldLength = padded.length(); + int toFill = maxLen - oldLength; + padded.resize(maxLen); + QChar *ch = padded.data() + oldLength; + while (toFill) { + int copy = qMin(fillString.length(), toFill); + memcpy(ch, fillString.constData(), copy*sizeof(QChar)); + toFill -= copy; + ch += copy; } + *ch = 0; + + return v4->newString(padded)->asReturnedValue(); +} - ScopedString lastIndex(scope, scope.engine->newString(QStringLiteral("lastIndex"))); - rx->put(lastIndex, ScopedValue(scope, Primitive::fromInt32(0))); - ScopedArrayObject a(scope, scope.engine->newArrayObject()); +ReturnedValue StringPrototype::method_padStart(const FunctionObject *f, const Value *thisObject, const Value *argv, int argc) +{ + ExecutionEngine *v4 = f->engine(); + if (thisObject->isNullOrUndefined()) + return v4->throwTypeError(); - double previousLastIndex = 0; - uint n = 0; - ScopedValue matchStr(scope); - ScopedValue index(scope); - while (1) { - exec->call(scope, cData); - if (scope.result.isNull()) - break; - assert(scope.result.isObject()); - index = rx->get(lastIndex, 0); - double thisIndex = index->toInteger(); - if (previousLastIndex == thisIndex) { - previousLastIndex = thisIndex + 1; - rx->put(lastIndex, ScopedValue(scope, Primitive::fromDouble(previousLastIndex))); - } else { - previousLastIndex = thisIndex; - } - matchStr = scope.result.objectValue()->getIndexed(0); - a->arraySet(n, matchStr); - ++n; + Scope scope(v4); + ScopedString s(scope, thisAsString(v4, thisObject)); + if (v4->hasException) + return Encode::undefined(); + if (!argc) + return s->asReturnedValue(); + + int maxLen = argv[0].toInteger(); + if (maxLen <= s->d()->length()) + return s->asReturnedValue(); + QString fillString = (argc > 1 && !argv[1].isUndefined()) ? argv[1].toQString() : QString::fromLatin1(" "); + if (v4->hasException) + return Encode::undefined(); + + if (fillString.isEmpty()) + return s->asReturnedValue(); + + QString original = s->toQString(); + int oldLength = original.length(); + int toFill = maxLen - oldLength; + QString padded; + padded.resize(maxLen); + QChar *ch = padded.data(); + while (toFill) { + int copy = qMin(fillString.length(), toFill); + memcpy(ch, fillString.constData(), copy*sizeof(QChar)); + toFill -= copy; + ch += copy; } - if (!n) - scope.result = Encode::null(); - else - scope.result = a; + memcpy(ch, original.constData(), oldLength*sizeof(QChar)); + ch += oldLength; + *ch = 0; + + return v4->newString(padded)->asReturnedValue(); } -void StringPrototype::method_repeat(const BuiltinFunction *, Scope &scope, CallData *callData) + +ReturnedValue StringPrototype::method_repeat(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - QString value = getThisString(scope, callData); - CHECK_EXCEPTION(); + ExecutionEngine *v4 = b->engine(); + const QString value = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); - double repeats = callData->args[0].toInteger(); + double repeats = (argc ? argv[0] : Value::undefinedValue()).toInteger(); - if (repeats < 0 || qIsInf(repeats)) { - scope.result = scope.engine->throwRangeError(QLatin1String("Invalid count value")); - return; - } + if (repeats < 0 || qIsInf(repeats)) + return v4->throwRangeError(QLatin1String("Invalid count value")); - scope.result = scope.engine->newString(value.repeated(int(repeats))); + return Encode(v4->newString(value.repeated(int(repeats)))); } static void appendReplacementString(QString *result, const QString &input, const QString& replaceValue, uint* matchOffsets, int captureCount) @@ -472,54 +722,65 @@ static void appendReplacementString(QString *result, const QString &input, const result->reserve(result->length() + replaceValue.length()); for (int i = 0; i < replaceValue.length(); ++i) { if (replaceValue.at(i) == QLatin1Char('$') && i < replaceValue.length() - 1) { - ushort ch = replaceValue.at(++i).unicode(); + ushort ch = replaceValue.at(i + 1).unicode(); uint substStart = JSC::Yarr::offsetNoMatch; uint substEnd = JSC::Yarr::offsetNoMatch; + int skip = 0; if (ch == '$') { *result += QChar(ch); + ++i; continue; } else if (ch == '&') { substStart = matchOffsets[0]; substEnd = matchOffsets[1]; + skip = 1; } else if (ch == '`') { substStart = 0; substEnd = matchOffsets[0]; + skip = 1; } else if (ch == '\'') { substStart = matchOffsets[1]; substEnd = input.length(); - } else if (ch >= '1' && ch <= '9') { + skip = 1; + } else if (ch >= '0' && ch <= '9') { uint capture = ch - '0'; - Q_ASSERT(capture > 0); - if (capture < static_cast<uint>(captureCount)) { + skip = 1; + if (i < replaceValue.length() - 2) { + ch = replaceValue.at(i + 2).unicode(); + if (ch >= '0' && ch <= '9') { + uint c = capture*10 + ch - '0'; + if (c < static_cast<uint>(captureCount)) { + capture = c; + skip = 2; + } + } + } + if (capture > 0 && capture < static_cast<uint>(captureCount)) { substStart = matchOffsets[capture * 2]; substEnd = matchOffsets[capture * 2 + 1]; - } - } else if (ch == '0' && i < replaceValue.length() - 1) { - int capture = (ch - '0') * 10; - ch = replaceValue.at(++i).unicode(); - if (ch >= '0' && ch <= '9') { - capture += ch - '0'; - if (capture > 0 && capture < captureCount) { - substStart = matchOffsets[capture * 2]; - substEnd = matchOffsets[capture * 2 + 1]; - } + } else { + skip = 0; } } + i += skip; if (substStart != JSC::Yarr::offsetNoMatch && substEnd != JSC::Yarr::offsetNoMatch) *result += input.midRef(substStart, substEnd - substStart); + else { + *result += replaceValue.at(i); + } } else { *result += replaceValue.at(i); } } } -void StringPrototype::method_replace(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_replace(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { QString string; - if (StringObject *thisString = callData->thisObject.as<StringObject>()) + if (const StringObject *thisString = thisObject->as<StringObject>()) string = thisString->d()->string->toQString(); else - string = callData->thisObject.toQString(); + string = thisObject->toQString(); int numCaptures = 0; int numStringMatches = 0; @@ -528,7 +789,8 @@ void StringPrototype::method_replace(const BuiltinFunction *, Scope &scope, Call uint _matchOffsets[64]; uint *matchOffsets = _matchOffsets; - ScopedValue searchValue(scope, callData->argument(0)); + Scope scope(b); + ScopedValue searchValue(scope, argc ? argv[0] : Value::undefinedValue()); Scoped<RegExpObject> regExp(scope, searchValue); if (regExp) { uint offset = 0; @@ -551,12 +813,15 @@ void StringPrototype::method_replace(const BuiltinFunction *, Scope &scope, Call break; } nMatchOffsets += re->captureCount() * 2; - if (!regExp->d()->global) + if (!regExp->global()) break; offset = qMax(offset + 1, matchOffsets[oldSize + 1]); } - if (regExp->global()) + if (regExp->global()) { regExp->setLastIndex(0); + if (scope.hasException()) + return Encode::undefined(); + } numStringMatches = nMatchOffsets / (regExp->value()->captureCount() * 2); numCaptures = regExp->value()->captureCount(); } else { @@ -571,33 +836,34 @@ void StringPrototype::method_replace(const BuiltinFunction *, Scope &scope, Call } QString result; - ScopedValue replaceValue(scope, callData->argument(1)); + ScopedValue replacement(scope); + ScopedValue replaceValue(scope, argc > 1 ? argv[1] : Value::undefinedValue()); ScopedFunctionObject searchCallback(scope, replaceValue); if (!!searchCallback) { result.reserve(string.length() + 10*numStringMatches); - ScopedCallData callData(scope, numCaptures + 2); - callData->thisObject = Primitive::undefinedValue(); - int lastEnd = 0; ScopedValue entry(scope); + Value *arguments = scope.alloc(numCaptures + 2); + int lastEnd = 0; for (int i = 0; i < numStringMatches; ++i) { for (int k = 0; k < numCaptures; ++k) { int idx = (i * numCaptures + k) * 2; uint start = matchOffsets[idx]; uint end = matchOffsets[idx + 1]; - entry = Primitive::undefinedValue(); + entry = Value::undefinedValue(); if (start != JSC::Yarr::offsetNoMatch && end != JSC::Yarr::offsetNoMatch) entry = scope.engine->newString(string.mid(start, end - start)); - callData->args[k] = entry; + arguments[k] = entry; } uint matchStart = matchOffsets[i * numCaptures * 2]; Q_ASSERT(matchStart >= static_cast<uint>(lastEnd)); uint matchEnd = matchOffsets[i * numCaptures * 2 + 1]; - callData->args[numCaptures] = Primitive::fromUInt32(matchStart); - callData->args[numCaptures + 1] = scope.engine->newString(string); + arguments[numCaptures] = Value::fromUInt32(matchStart); + arguments[numCaptures + 1] = scope.engine->newString(string); - searchCallback->call(scope, callData); + Value that = Value::undefinedValue(); + replacement = searchCallback->call(&that, arguments, numCaptures + 2); result += string.midRef(lastEnd, matchStart - lastEnd); - result += scope.result.toQString(); + result += replacement->toQString(); lastEnd = matchEnd; } result += string.midRef(lastEnd); @@ -623,44 +889,47 @@ void StringPrototype::method_replace(const BuiltinFunction *, Scope &scope, Call if (matchOffsets != _matchOffsets) free(matchOffsets); - scope.result = scope.engine->newString(result); + return Encode(scope.engine->newString(result)); } -void StringPrototype::method_search(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_search(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - QString string = getThisString(scope, callData); - scope.result = callData->argument(0); - CHECK_EXCEPTION(); + Scope scope(b); + QString string = getThisString(scope.engine, thisObject); + if (scope.engine->hasException) + return QV4::Encode::undefined(); - Scoped<RegExpObject> regExp(scope, scope.result.as<RegExpObject>()); + Scoped<RegExpObject> regExp(scope, argc ? argv[0] : Value::undefinedValue()); if (!regExp) { - ScopedCallData callData(scope, 1); - callData->args[0] = scope.result; - scope.engine->regExpCtor()->construct(scope, callData); - CHECK_EXCEPTION(); + regExp = scope.engine->regExpCtor()->callAsConstructor(argv, 1); + if (scope.engine->hasException) + return QV4::Encode::undefined(); - regExp = scope.result.as<RegExpObject>(); Q_ASSERT(regExp); } Scoped<RegExp> re(scope, regExp->value()); Q_ALLOCA_VAR(uint, matchOffsets, regExp->value()->captureCount() * 2 * sizeof(uint)); uint result = re->match(string, /*offset*/0, matchOffsets); if (result == JSC::Yarr::offsetNoMatch) - scope.result = Encode(-1); + return Encode(-1); else - scope.result = Encode(result); + return Encode(result); } -void StringPrototype::method_slice(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_slice(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - const QString text = getThisString(scope, callData); - CHECK_EXCEPTION(); + ExecutionEngine *v4 = b->engine(); + Scope scope(v4); + ScopedString s(scope, thisAsString(v4, thisObject)); + if (v4->hasException) + return QV4::Encode::undefined(); + Q_ASSERT(s); - const double length = text.length(); + const double length = s->d()->length(); - double start = callData->argc ? callData->args[0].toInteger() : 0; - double end = (callData->argc < 2 || callData->args[1].isUndefined()) - ? length : callData->args[1].toInteger(); + double start = argc ? argv[0].toInteger() : 0; + double end = (argc < 2 || argv[1].isUndefined()) + ? length : argv[1].toInteger(); if (start < 0) start = qMax(length + start, 0.); @@ -676,16 +945,19 @@ void StringPrototype::method_slice(const BuiltinFunction *, Scope &scope, CallDa const int intEnd = int(end); int count = qMax(0, intEnd - intStart); - scope.result = scope.engine->newString(text.mid(intStart, count)); + return Encode(v4->memoryManager->alloc<ComplexString>(s->d(), intStart, count)); } -void StringPrototype::method_split(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_split(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - QString text = getThisString(scope, callData); - CHECK_EXCEPTION(); + ExecutionEngine *v4 = b->engine(); + QString text = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); - ScopedValue separatorValue(scope, callData->argument(0)); - ScopedValue limitValue(scope, callData->argument(1)); + Scope scope(v4); + ScopedValue separatorValue(scope, argc ? argv[0] : Value::undefinedValue()); + ScopedValue limitValue(scope, argc > 1 ? argv[1] : Value::undefinedValue()); ScopedArrayObject array(scope, scope.engine->newArrayObject()); @@ -693,7 +965,7 @@ void StringPrototype::method_split(const BuiltinFunction *, Scope &scope, CallDa if (limitValue->isUndefined()) { ScopedString s(scope, scope.engine->newString(text)); array->push_back(s); - RETURN_RESULT(array); + return array.asReturnedValue(); } RETURN_RESULT(scope.engine->newString(text.left(limitValue->toInteger()))); } @@ -701,12 +973,12 @@ void StringPrototype::method_split(const BuiltinFunction *, Scope &scope, CallDa uint limit = limitValue->isUndefined() ? UINT_MAX : limitValue->toUInt32(); if (limit == 0) - RETURN_RESULT(array); + return array.asReturnedValue(); Scoped<RegExpObject> re(scope, separatorValue); if (re) { if (re->value()->pattern->isEmpty()) { - re = (RegExpObject *)0; + re = (RegExpObject *)nullptr; separatorValue = scope.engine->newString(); } } @@ -742,7 +1014,7 @@ void StringPrototype::method_split(const BuiltinFunction *, Scope &scope, CallDa if (separator.isEmpty()) { for (uint i = 0; i < qMin(limit, uint(text.length())); ++i) array->push_back((s = scope.engine->newString(text.mid(i, 1)))); - RETURN_RESULT(array); + return array.asReturnedValue(); } int start = 0; @@ -756,44 +1028,47 @@ void StringPrototype::method_split(const BuiltinFunction *, Scope &scope, CallDa if (array->getLength() < limit && start != -1) array->push_back((s = scope.engine->newString(text.mid(start)))); } - RETURN_RESULT(array); + return array.asReturnedValue(); } -void StringPrototype::method_startsWith(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_startsWith(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - QString value = getThisString(scope, callData); - CHECK_EXCEPTION(); + ExecutionEngine *v4 = b->engine(); + const QString value = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); - QString searchString; - if (callData->argc) { - if (callData->args[0].as<RegExpObject>()) - THROW_TYPE_ERROR(); - searchString = callData->args[0].toQString(); - } + if (argc && argv[0].as<RegExpObject>()) + return v4->throwTypeError(); + QString searchString = (argc ? argv[0] : Value::undefinedValue()).toQString(); + if (v4->hasException) + return Encode::undefined(); int pos = 0; - if (callData->argc > 1) - pos = (int) callData->args[1].toInteger(); + if (argc > 1) + pos = (int) argv[1].toInteger(); if (pos == 0) - RETURN_RESULT(Encode(value.startsWith(searchString))); + return Encode(value.startsWith(searchString)); QStringRef stringToSearch = value.midRef(pos); RETURN_RESULT(Encode(stringToSearch.startsWith(searchString))); } -void StringPrototype::method_substr(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_substr(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - const QString value = getThisString(scope, callData); - CHECK_EXCEPTION(); + ExecutionEngine *v4 = b->engine(); + const QString value = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); double start = 0; - if (callData->argc > 0) - start = callData->args[0].toInteger(); + if (argc > 0) + start = argv[0].toInteger(); double length = +qInf(); - if (callData->argc > 1) - length = callData->args[1].toInteger(); + if (argc > 1) + length = argv[1].toInteger(); double count = value.length(); if (start < 0) @@ -801,27 +1076,28 @@ void StringPrototype::method_substr(const BuiltinFunction *, Scope &scope, CallD length = qMin(qMax(length, 0.0), count - start); - qint32 x = Primitive::toInt32(start); - qint32 y = Primitive::toInt32(length); - scope.result = scope.engine->newString(value.mid(x, y)); + qint32 x = Value::toInt32(start); + qint32 y = Value::toInt32(length); + return Encode(v4->newString(value.mid(x, y))); } -void StringPrototype::method_substring(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_substring(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - QString value = getThisString(scope, callData); - CHECK_EXCEPTION(); + ExecutionEngine *v4 = b->engine(); + const QString value = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); int length = value.length(); double start = 0; double end = length; - if (callData->argc > 0) - start = callData->args[0].toInteger(); + if (argc > 0) + start = argv[0].toInteger(); - ScopedValue endValue(scope, callData->argument(1)); - if (!endValue->isUndefined()) - end = endValue->toInteger(); + if (argc > 1 && !argv[1].isUndefined()) + end = argv[1].toInteger(); if (std::isnan(start) || start < 0) start = 0; @@ -843,50 +1119,45 @@ void StringPrototype::method_substring(const BuiltinFunction *, Scope &scope, Ca qint32 x = (int)start; qint32 y = (int)(end - start); - scope.result = scope.engine->newString(value.mid(x, y)); + return Encode(v4->newString(value.mid(x, y))); } -void StringPrototype::method_toLowerCase(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_toLowerCase(const FunctionObject *b, const Value *thisObject, const Value *, int) { - QString value = getThisString(scope, callData); - CHECK_EXCEPTION(); + ExecutionEngine *v4 = b->engine(); + const QString value = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); - scope.result = scope.engine->newString(value.toLower()); + return Encode(v4->newString(value.toLower())); } -void StringPrototype::method_toLocaleLowerCase(const BuiltinFunction *b, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_toLocaleLowerCase(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - method_toLowerCase(b, scope, callData); + return method_toLowerCase(b, thisObject, argv, argc); } -void StringPrototype::method_toUpperCase(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_toUpperCase(const FunctionObject *b, const Value *thisObject, const Value *, int) { - QString value = getThisString(scope, callData); - CHECK_EXCEPTION(); - - scope.result = scope.engine->newString(value.toUpper()); -} + ExecutionEngine *v4 = b->engine(); + const QString value = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); -void StringPrototype::method_toLocaleUpperCase(const BuiltinFunction *b, Scope &scope, CallData *callData) -{ - return method_toUpperCase(b, scope, callData); + return Encode(v4->newString(value.toUpper())); } -void StringPrototype::method_fromCharCode(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_toLocaleUpperCase(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc) { - QString str(callData->argc, Qt::Uninitialized); - QChar *ch = str.data(); - for (int i = 0; i < callData->argc; ++i) { - *ch = QChar(callData->args[i].toUInt16()); - ++ch; - } - scope.result = scope.engine->newString(str); + return method_toUpperCase(b, thisObject, argv, argc); } -void StringPrototype::method_trim(const BuiltinFunction *, Scope &scope, CallData *callData) +ReturnedValue StringPrototype::method_trim(const FunctionObject *b, const Value *thisObject, const Value *, int) { - QString s = getThisString(scope, callData); - CHECK_EXCEPTION(); + ExecutionEngine *v4 = b->engine(); + QString s = getThisString(v4, thisObject); + if (v4->hasException) + return QV4::Encode::undefined(); const QChar *chars = s.constData(); int start, end; @@ -899,5 +1170,18 @@ void StringPrototype::method_trim(const BuiltinFunction *, Scope &scope, CallDat break; } - scope.result = scope.engine->newString(QString(chars + start, end - start + 1)); + return Encode(v4->newString(QString(chars + start, end - start + 1))); +} + + + +ReturnedValue StringPrototype::method_iterator(const FunctionObject *b, const Value *thisObject, const Value *, int) +{ + Scope scope(b); + ScopedString s(scope, thisObject->toString(scope.engine)); + if (!s || thisObject->isNullOrUndefined()) + return scope.engine->throwTypeError(); + + Scoped<StringIteratorObject> si(scope, scope.engine->memoryManager->allocate<StringIteratorObject>(s->d(), scope.engine)); + return si->asReturnedValue(); } |