| 1 | // Copyright (C) 2018 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #include "qv4propertykey_p.h" |
| 5 | |
| 6 | #include <QtCore/qstring.h> |
| 7 | #include <qv4string_p.h> |
| 8 | #include <qv4engine_p.h> |
| 9 | #include <qv4scopedvalue_p.h> |
| 10 | #include <private/qv4mm_p.h> |
| 11 | |
| 12 | using namespace Qt::Literals::StringLiterals; |
| 13 | |
| 14 | QV4::Heap::StringOrSymbol *QV4::PropertyKey::toStringOrSymbol(QV4::ExecutionEngine *e) |
| 15 | { |
| 16 | if (isArrayIndex()) |
| 17 | return Value::fromUInt32(i: asArrayIndex()).toString(e); |
| 18 | return asStringOrSymbol(); |
| 19 | } |
| 20 | |
| 21 | bool QV4::PropertyKey::isString() const { |
| 22 | Heap::StringOrSymbol *s = asStringOrSymbol(); |
| 23 | return s && s->internalClass->vtable->isString; |
| 24 | } |
| 25 | |
| 26 | bool QV4::PropertyKey::isSymbol() const { |
| 27 | Heap::StringOrSymbol *s = asStringOrSymbol(); |
| 28 | return s && !s->internalClass->vtable->isString && s->internalClass->vtable->isStringOrSymbol; |
| 29 | } |
| 30 | |
| 31 | bool QV4::PropertyKey::isCanonicalNumericIndexString() const |
| 32 | { |
| 33 | if (isArrayIndex()) |
| 34 | return true; |
| 35 | if (isSymbol()) |
| 36 | return false; |
| 37 | Heap::String *s = static_cast<Heap::String *>(asStringOrSymbol()); |
| 38 | Scope scope(s->internalClass->engine); |
| 39 | ScopedString str(scope, s); |
| 40 | double d = str->toNumber(); |
| 41 | if (d == 0. && std::signbit(x: d)) |
| 42 | return true; |
| 43 | ScopedString converted(scope, Value::fromDouble(d).toString(e: scope.engine)); |
| 44 | if (converted->equals(other: str)) |
| 45 | return true; |
| 46 | return false; |
| 47 | } |
| 48 | |
| 49 | QString QV4::PropertyKey::toQString() const |
| 50 | { |
| 51 | if (isArrayIndex()) |
| 52 | return QString::number(asArrayIndex()); |
| 53 | Heap::StringOrSymbol *s = asStringOrSymbol(); |
| 54 | Q_ASSERT(s->internalClass->vtable->isStringOrSymbol); |
| 55 | return s->toQString(); |
| 56 | } |
| 57 | |
| 58 | QV4::Heap::String *QV4::PropertyKey::asFunctionName(ExecutionEngine *engine, FunctionNamePrefix prefix) const |
| 59 | { |
| 60 | QString n; |
| 61 | if (prefix == Getter) |
| 62 | n += "get "_L1; |
| 63 | else if (prefix == Setter) |
| 64 | n += "set "_L1; |
| 65 | if (isArrayIndex()) |
| 66 | n += QString::number(asArrayIndex()); |
| 67 | else { |
| 68 | Heap::StringOrSymbol *s = asStringOrSymbol(); |
| 69 | QString str = s->toQString(); |
| 70 | if (s->internalClass->vtable->isString) |
| 71 | n += s->toQString(); |
| 72 | else if (str.size() > 1) |
| 73 | n += QChar::fromLatin1(c: '[') + QStringView{str}.mid(pos: 1) + QChar::fromLatin1(c: ']'); |
| 74 | } |
| 75 | return engine->newString(s: n); |
| 76 | } |
| 77 |