aboutsummaryrefslogtreecommitdiffstats
path: root/src/qml/jsruntime/qv4dataview.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/qml/jsruntime/qv4dataview.cpp')
-rw-r--r--src/qml/jsruntime/qv4dataview.cpp145
1 files changed, 71 insertions, 74 deletions
diff --git a/src/qml/jsruntime/qv4dataview.cpp b/src/qml/jsruntime/qv4dataview.cpp
index f1405e08ee..397ef1cfec 100644
--- a/src/qml/jsruntime/qv4dataview.cpp
+++ b/src/qml/jsruntime/qv4dataview.cpp
@@ -54,34 +54,31 @@ void Heap::DataViewCtor::init(QV4::ExecutionContext *scope)
Heap::FunctionObject::init(scope, QStringLiteral("DataView"));
}
-void DataViewCtor::construct(const Managed *, Scope &scope, CallData *callData)
+ReturnedValue DataViewCtor::callAsConstructor(const FunctionObject *f, const Value *argv, int argc)
{
- Scoped<ArrayBuffer> buffer(scope, callData->argument(0));
- if (!buffer) {
- scope.result = scope.engine->throwTypeError();
- return;
- }
+ Scope scope(f->engine());
+ Scoped<ArrayBuffer> buffer(scope, argc ? argv[0] : Primitive::undefinedValue());
+ if (!buffer)
+ return scope.engine->throwTypeError();
- double bo = callData->argc > 1 ? callData->args[1].toNumber() : 0;
+ double bo = argc > 1 ? argv[1].toNumber() : 0;
uint byteOffset = (uint)bo;
uint bufferLength = buffer->d()->data->size;
- double bl = callData->argc < 3 || callData->args[2].isUndefined() ? (bufferLength - bo) : callData->args[2].toNumber();
+ double bl = argc < 3 || argv[2].isUndefined() ? (bufferLength - bo) : argv[2].toNumber();
uint byteLength = (uint)bl;
- if (bo != byteOffset || bl != byteLength || byteOffset + byteLength > bufferLength) {
- scope.result = scope.engine->throwRangeError(QStringLiteral("DataView: constructor arguments out of range"));
- return;
- }
+ if (bo != byteOffset || bl != byteLength || byteOffset + byteLength > bufferLength)
+ return scope.engine->throwRangeError(QStringLiteral("DataView: constructor arguments out of range"));
Scoped<DataView> a(scope, scope.engine->memoryManager->allocObject<DataView>());
a->d()->buffer.set(scope.engine, buffer->d());
a->d()->byteLength = byteLength;
a->d()->byteOffset = byteOffset;
- scope.result = a.asReturnedValue();
+ return a.asReturnedValue();
}
-void DataViewCtor::call(const Managed *that, Scope &scope, CallData *callData)
+ReturnedValue DataViewCtor::call(const FunctionObject *f, const Value *, const Value *argv, int argc)
{
- construct(that, scope, callData);
+ return callAsConstructor(f, argv, argc);
}
void DataViewPrototype::init(ExecutionEngine *engine, Object *ctor)
@@ -122,84 +119,84 @@ void DataViewPrototype::init(ExecutionEngine *engine, Object *ctor)
defineDefaultProperty(QStringLiteral("setUInt32"), method_set<unsigned int>, 0);
}
-void DataViewPrototype::method_get_buffer(const BuiltinFunction *, Scope &scope, CallData *callData)
+ReturnedValue DataViewPrototype::method_get_buffer(const FunctionObject *b, const Value *thisObject, const Value *, int)
{
- Scoped<DataView> v(scope, callData->thisObject);
+ const DataView *v = thisObject->as<DataView>();
if (!v)
- THROW_TYPE_ERROR();
+ return b->engine()->throwTypeError();
- scope.result = v->d()->buffer;
+ return v->d()->buffer->asReturnedValue();
}
-void DataViewPrototype::method_get_byteLength(const BuiltinFunction *, Scope &scope, CallData *callData)
+ReturnedValue DataViewPrototype::method_get_byteLength(const FunctionObject *b, const Value *thisObject, const Value *, int)
{
- Scoped<DataView> v(scope, callData->thisObject);
+ const DataView *v = thisObject->as<DataView>();
if (!v)
- THROW_TYPE_ERROR();
+ return b->engine()->throwTypeError();
- scope.result = Encode(v->d()->byteLength);
+ return Encode(v->d()->byteLength);
}
-void DataViewPrototype::method_get_byteOffset(const BuiltinFunction *, Scope &scope, CallData *callData)
+ReturnedValue DataViewPrototype::method_get_byteOffset(const FunctionObject *b, const Value *thisObject, const Value *, int)
{
- Scoped<DataView> v(scope, callData->thisObject);
+ const DataView *v = thisObject->as<DataView>();
if (!v)
- THROW_TYPE_ERROR();
+ return b->engine()->throwTypeError();
- scope.result = Encode(v->d()->byteOffset);
+ return Encode(v->d()->byteOffset);
}
template <typename T>
-void DataViewPrototype::method_getChar(const BuiltinFunction *, Scope &scope, CallData *callData)
+ReturnedValue DataViewPrototype::method_getChar(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc)
{
- Scoped<DataView> v(scope, callData->thisObject);
- if (!v || callData->argc < 1)
- THROW_TYPE_ERROR();
- double l = callData->args[0].toNumber();
+ const DataView *v = thisObject->as<DataView>();
+ if (!v || argc < 1)
+ return b->engine()->throwTypeError();
+ double l = argv[0].toNumber();
uint idx = (uint)l;
if (l != idx || idx + sizeof(T) > v->d()->byteLength)
- THROW_TYPE_ERROR();
+ return b->engine()->throwTypeError();
idx += v->d()->byteOffset;
T t = T(v->d()->buffer->data->data()[idx]);
- scope.result = Encode((int)t);
+ return Encode((int)t);
}
template <typename T>
-void DataViewPrototype::method_get(const BuiltinFunction *, Scope &scope, CallData *callData)
+ReturnedValue DataViewPrototype::method_get(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc)
{
- Scoped<DataView> v(scope, callData->thisObject);
- if (!v || callData->argc < 1)
- THROW_TYPE_ERROR();
- double l = callData->args[0].toNumber();
+ const DataView *v = thisObject->as<DataView>();
+ if (!v || argc < 1)
+ return b->engine()->throwTypeError();
+ double l = argv[0].toNumber();
uint idx = (uint)l;
if (l != idx || idx + sizeof(T) > v->d()->byteLength)
- THROW_TYPE_ERROR();
+ return b->engine()->throwTypeError();
idx += v->d()->byteOffset;
- bool littleEndian = callData->argc < 2 ? false : callData->args[1].toBoolean();
+ bool littleEndian = argc < 2 ? false : argv[1].toBoolean();
T t = littleEndian
? qFromLittleEndian<T>((uchar *)v->d()->buffer->data->data() + idx)
: qFromBigEndian<T>((uchar *)v->d()->buffer->data->data() + idx);
- scope.result = Encode(t);
+ return Encode(t);
}
template <typename T>
-void DataViewPrototype::method_getFloat(const BuiltinFunction *, Scope &scope, CallData *callData)
+ReturnedValue DataViewPrototype::method_getFloat(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc)
{
- Scoped<DataView> v(scope, callData->thisObject);
- if (!v || callData->argc < 1)
- THROW_TYPE_ERROR();
- double l = callData->args[0].toNumber();
+ const DataView *v = thisObject->as<DataView>();
+ if (!v || argc < 1)
+ return b->engine()->throwTypeError();
+ double l = argv[0].toNumber();
uint idx = (uint)l;
if (l != idx || idx + sizeof(T) > v->d()->byteLength)
- THROW_TYPE_ERROR();
+ return b->engine()->throwTypeError();
idx += v->d()->byteOffset;
- bool littleEndian = callData->argc < 2 ? false : callData->args[1].toBoolean();
+ bool littleEndian = argc < 2 ? false : argv[1].toBoolean();
if (sizeof(T) == 4) {
// float
@@ -210,7 +207,7 @@ void DataViewPrototype::method_getFloat(const BuiltinFunction *, Scope &scope, C
u.i = littleEndian
? qFromLittleEndian<uint>((uchar *)v->d()->buffer->data->data() + idx)
: qFromBigEndian<uint>((uchar *)v->d()->buffer->data->data() + idx);
- scope.result = Encode(u.f);
+ return Encode(u.f);
} else {
Q_ASSERT(sizeof(T) == 8);
union {
@@ -220,43 +217,43 @@ void DataViewPrototype::method_getFloat(const BuiltinFunction *, Scope &scope, C
u.i = littleEndian
? qFromLittleEndian<quint64>((uchar *)v->d()->buffer->data->data() + idx)
: qFromBigEndian<quint64>((uchar *)v->d()->buffer->data->data() + idx);
- scope.result = Encode(u.d);
+ return Encode(u.d);
}
}
template <typename T>
-void DataViewPrototype::method_setChar(const BuiltinFunction *, Scope &scope, CallData *callData)
+ReturnedValue DataViewPrototype::method_setChar(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc)
{
- Scoped<DataView> v(scope, callData->thisObject);
- if (!v || callData->argc < 1)
- THROW_TYPE_ERROR();
- double l = callData->args[0].toNumber();
+ const DataView *v = thisObject->as<DataView>();
+ if (!v || argc < 1)
+ return b->engine()->throwTypeError();
+ double l = argv[0].toNumber();
uint idx = (uint)l;
if (l != idx || idx + sizeof(T) > v->d()->byteLength)
- THROW_TYPE_ERROR();
+ return b->engine()->throwTypeError();
idx += v->d()->byteOffset;
- int val = callData->argc >= 2 ? callData->args[1].toInt32() : 0;
+ int val = argc >= 2 ? argv[1].toInt32() : 0;
v->d()->buffer->data->data()[idx] = (char)val;
RETURN_UNDEFINED();
}
template <typename T>
-void DataViewPrototype::method_set(const BuiltinFunction *, Scope &scope, CallData *callData)
+ReturnedValue DataViewPrototype::method_set(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc)
{
- Scoped<DataView> v(scope, callData->thisObject);
- if (!v || callData->argc < 1)
- THROW_TYPE_ERROR();
- double l = callData->args[0].toNumber();
+ const DataView *v = thisObject->as<DataView>();
+ if (!v || argc < 1)
+ return b->engine()->throwTypeError();
+ double l = argv[0].toNumber();
uint idx = (uint)l;
if (l != idx || idx + sizeof(T) > v->d()->byteLength)
- THROW_TYPE_ERROR();
+ return b->engine()->throwTypeError();
idx += v->d()->byteOffset;
- int val = callData->argc >= 2 ? callData->args[1].toInt32() : 0;
+ int val = argc >= 2 ? argv[1].toInt32() : 0;
- bool littleEndian = callData->argc < 3 ? false : callData->args[2].toBoolean();
+ bool littleEndian = argc < 3 ? false : argv[2].toBoolean();
if (littleEndian)
qToLittleEndian<T>(val, (uchar *)v->d()->buffer->data->data() + idx);
@@ -267,19 +264,19 @@ void DataViewPrototype::method_set(const BuiltinFunction *, Scope &scope, CallDa
}
template <typename T>
-void DataViewPrototype::method_setFloat(const BuiltinFunction *, Scope &scope, CallData *callData)
+ReturnedValue DataViewPrototype::method_setFloat(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc)
{
- Scoped<DataView> v(scope, callData->thisObject);
- if (!v || callData->argc < 1)
- THROW_TYPE_ERROR();
- double l = callData->args[0].toNumber();
+ const DataView *v = thisObject->as<DataView>();
+ if (!v || argc < 1)
+ return b->engine()->throwTypeError();
+ double l = argv[0].toNumber();
uint idx = (uint)l;
if (l != idx || idx + sizeof(T) > v->d()->byteLength)
- THROW_TYPE_ERROR();
+ return b->engine()->throwTypeError();
idx += v->d()->byteOffset;
- double val = callData->argc >= 2 ? callData->args[1].toNumber() : qt_qnan();
- bool littleEndian = callData->argc < 3 ? false : callData->args[2].toBoolean();
+ double val = argc >= 2 ? argv[1].toNumber() : qt_qnan();
+ bool littleEndian = argc < 3 ? false : argv[2].toBoolean();
if (sizeof(T) == 4) {
// float
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-21 12:39:40 +0000