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39 | |
40 | #include "qv4propertykey_p.h" |
41 | |
42 | #include <QtCore/qstring.h> |
43 | #include <qv4string_p.h> |
44 | #include <qv4engine_p.h> |
45 | #include <qv4scopedvalue_p.h> |
46 | |
47 | QV4::Heap::StringOrSymbol *QV4::PropertyKey::toStringOrSymbol(QV4::ExecutionEngine *e) |
48 | { |
49 | if (isArrayIndex()) |
50 | return Value::fromUInt32(i: asArrayIndex()).toString(e); |
51 | return static_cast<Heap::StringOrSymbol *>(asStringOrSymbol()); |
52 | } |
53 | |
54 | bool QV4::PropertyKey::isString() const { |
55 | Heap::StringOrSymbol *s = asStringOrSymbol(); |
56 | return s && s->internalClass->vtable->isString; |
57 | } |
58 | |
59 | bool QV4::PropertyKey::isSymbol() const { |
60 | Heap::Base *s = asStringOrSymbol(); |
61 | return s && !s->internalClass->vtable->isString && s->internalClass->vtable->isStringOrSymbol; |
62 | } |
63 | |
64 | bool QV4::PropertyKey::isCanonicalNumericIndexString() const |
65 | { |
66 | if (isArrayIndex()) |
67 | return true; |
68 | if (isSymbol()) |
69 | return false; |
70 | Heap::String *s = static_cast<Heap::String *>(asStringOrSymbol()); |
71 | Scope scope(s->internalClass->engine); |
72 | ScopedString str(scope, s); |
73 | double d = str->toNumber(); |
74 | if (d == 0. && std::signbit(x: d)) |
75 | return true; |
76 | ScopedString converted(scope, Value::fromDouble(d).toString(e: scope.engine)); |
77 | if (converted->equals(other: str)) |
78 | return true; |
79 | return false; |
80 | } |
81 | |
82 | QString QV4::PropertyKey::toQString() const |
83 | { |
84 | if (isArrayIndex()) |
85 | return QString::number(asArrayIndex()); |
86 | Heap::StringOrSymbol *s = asStringOrSymbol(); |
87 | Q_ASSERT(s->internalClass->vtable->isStringOrSymbol); |
88 | return s->toQString(); |
89 | } |
90 | |
91 | QV4::Heap::String *QV4::PropertyKey::asFunctionName(ExecutionEngine *engine, FunctionNamePrefix prefix) const |
92 | { |
93 | QString n; |
94 | if (prefix == Getter) |
95 | n = QStringLiteral("get "); |
96 | else if (prefix == Setter) |
97 | n = QStringLiteral("set "); |
98 | if (isArrayIndex()) |
99 | n += QString::number(asArrayIndex()); |
100 | else { |
101 | Heap::StringOrSymbol *s = asStringOrSymbol(); |
102 | QString str = s->toQString(); |
103 | if (s->internalClass->vtable->isString) |
104 | n += s->toQString(); |
105 | else if (str.length() > 1) |
106 | n += QChar::fromLatin1(c: '[') + str.midRef(position: 1) + QChar::fromLatin1(c: ']'); |
107 | } |
108 | return engine->newString(s: n); |
109 | } |
110 |