diff options
Diffstat (limited to 'src/qml/qml/v4vm/qv4lookup.cpp')
-rw-r--r-- | src/qml/qml/v4vm/qv4lookup.cpp | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/src/qml/qml/v4vm/qv4lookup.cpp b/src/qml/qml/v4vm/qv4lookup.cpp new file mode 100644 index 0000000000..38a11a99de --- /dev/null +++ b/src/qml/qml/v4vm/qv4lookup.cpp @@ -0,0 +1,332 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the V4VM module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#include "qv4lookup.h" +#include "qv4functionobject.h" + +QT_BEGIN_NAMESPACE + +namespace QQmlJS { +namespace VM { + +void Lookup::lookupPropertyGeneric(QQmlJS::VM::Lookup *l, ExecutionContext *ctx, QQmlJS::VM::Value *result, const QQmlJS::VM::Value &object) +{ + if (Object *o = object.asObject()) { + PropertyAttributes attrs; + Property *p = l->lookup(o, &attrs); + if (p) { + if (attrs.isData()) { + if (l->level == 0) + l->lookupProperty = lookupProperty0; + else if (l->level == 1) + l->lookupProperty = lookupProperty1; + else if (l->level == 2) + l->lookupProperty = lookupProperty2; + if (result) + *result = p->value; + return; + } else { + if (l->level == 0) + l->lookupProperty = lookupPropertyAccessor0; + else if (l->level == 1) + l->lookupProperty = lookupPropertyAccessor1; + else if (l->level == 2) + l->lookupProperty = lookupPropertyAccessor2; + if (result) + *result = p->value; + Value res = o->getValue(ctx, p, attrs); + if (result) + *result = res; + return; + } + } else if (result) { + *result = Value::undefinedValue(); + } + } else { + Value res; + if (Managed *m = object.asManaged()) { + res = m->get(ctx, l->name); + } else { + o = __qmljs_convert_to_object(ctx, object); + res = o->get(ctx, l->name); + } + if (result) + *result = res; + } +} + +void Lookup::lookupProperty0(Lookup *l, ExecutionContext *ctx, Value *result, const Value &object) +{ + if (Object *o = object.asObject()) { + if (l->classList[0] == o->internalClass) { + if (result) + *result = o->memberData[l->index].value; + return; + } + } + l->lookupProperty = lookupPropertyGeneric; + lookupPropertyGeneric(l, ctx, result, object); +} + +void Lookup::lookupProperty1(Lookup *l, ExecutionContext *ctx, Value *result, const Value &object) +{ + if (Object *o = object.asObject()) { + if (l->classList[0] == o->internalClass && + l->classList[1] == o->prototype->internalClass) { + if (result) + *result = o->prototype->memberData[l->index].value; + return; + } + } + l->lookupProperty = lookupPropertyGeneric; + lookupPropertyGeneric(l, ctx, result, object); +} + +void Lookup::lookupProperty2(Lookup *l, ExecutionContext *ctx, Value *result, const Value &object) +{ + if (Object *o = object.asObject()) { + if (l->classList[0] == o->internalClass) { + o = o->prototype; + if (l->classList[1] == o->internalClass) { + o = o->prototype; + if (l->classList[2] == o->internalClass) { + if (result) + *result = o->memberData[l->index].value; + return; + } + } + } + } + l->lookupProperty = lookupPropertyGeneric; + lookupPropertyGeneric(l, ctx, result, object); +} + +void Lookup::lookupPropertyAccessor0(Lookup *l, ExecutionContext *ctx, Value *result, const Value &object) +{ + if (Object *o = object.asObject()) { + if (l->classList[0] == o->internalClass) { + Value res; + FunctionObject *getter = o->memberData[l->index].getter(); + if (!getter) + res = Value::undefinedValue(); + else + res = getter->call(ctx, object, 0, 0); + if (result) + *result = res; + return; + } + } + l->lookupProperty = lookupPropertyGeneric; + lookupPropertyGeneric(l, ctx, result, object); +} + +void Lookup::lookupPropertyAccessor1(Lookup *l, ExecutionContext *ctx, Value *result, const Value &object) +{ + if (Object *o = object.asObject()) { + if (l->classList[0] == o->internalClass && + l->classList[1] == o->prototype->internalClass) { + Value res; + FunctionObject *getter = o->prototype->memberData[l->index].getter(); + if (!getter) + res = Value::undefinedValue(); + else + res = getter->call(ctx, object, 0, 0); + if (result) + *result = res; + return; + } + } + l->lookupProperty = lookupPropertyGeneric; + lookupPropertyGeneric(l, ctx, result, object); +} + +void Lookup::lookupPropertyAccessor2(Lookup *l, ExecutionContext *ctx, Value *result, const Value &object) +{ + if (Object *o = object.asObject()) { + if (l->classList[0] == o->internalClass) { + o = o->prototype; + if (l->classList[1] == o->internalClass) { + o = o->prototype; + if (l->classList[2] == o->internalClass) { + Value res; + FunctionObject *getter = o->memberData[l->index].getter(); + if (!getter) + res = Value::undefinedValue(); + else + res = getter->call(ctx, object, 0, 0); + if (result) + *result = res; + return; + } + } + } + } + l->lookupProperty = lookupPropertyGeneric; + lookupPropertyGeneric(l, ctx, result, object); +} + + +void Lookup::lookupGlobalGeneric(Lookup *l, ExecutionContext *ctx, Value *result) +{ + Object *o = ctx->engine->globalObject; + PropertyAttributes attrs; + Property *p = l->lookup(o, &attrs); + if (p) { + if (attrs.isData()) { + if (l->level == 0) + l->lookupGlobal = lookupGlobal0; + else if (l->level == 1) + l->lookupGlobal = lookupGlobal1; + else if (l->level == 2) + l->lookupGlobal = lookupGlobal2; + *result = p->value; + return; + } else { + if (l->level == 0) + l->lookupGlobal = lookupGlobalAccessor0; + else if (l->level == 1) + l->lookupGlobal = lookupGlobalAccessor1; + else if (l->level == 2) + l->lookupGlobal = lookupGlobalAccessor2; + Value res = o->getValue(ctx, p, attrs); + if (result) + *result = res; + return; + } + } + ctx->throwReferenceError(Value::fromString(l->name)); +} + +void Lookup::lookupGlobal0(Lookup *l, ExecutionContext *ctx, Value *result) +{ + Object *o = ctx->engine->globalObject; + if (l->classList[0] == o->internalClass) { + *result = o->memberData[l->index].value; + return; + } + l->lookupGlobal = lookupGlobalGeneric; + lookupGlobalGeneric(l, ctx, result); +} + +void Lookup::lookupGlobal1(Lookup *l, ExecutionContext *ctx, Value *result) +{ + Object *o = ctx->engine->globalObject; + if (l->classList[0] == o->internalClass && + l->classList[1] == o->prototype->internalClass) { + *result = o->prototype->memberData[l->index].value; + return; + } + l->lookupGlobal = lookupGlobalGeneric; + lookupGlobalGeneric(l, ctx, result); +} + +void Lookup::lookupGlobal2(Lookup *l, ExecutionContext *ctx, Value *result) +{ + Object *o = ctx->engine->globalObject; + if (l->classList[0] == o->internalClass) { + o = o->prototype; + if (l->classList[1] == o->internalClass) { + o = o->prototype; + if (l->classList[2] == o->internalClass) { + *result = o->prototype->memberData[l->index].value; + return; + } + } + } + l->lookupGlobal = lookupGlobalGeneric; + lookupGlobalGeneric(l, ctx, result); +} + +void Lookup::lookupGlobalAccessor0(Lookup *l, ExecutionContext *ctx, Value *result) +{ + Object *o = ctx->engine->globalObject; + if (l->classList[0] == o->internalClass) { + FunctionObject *getter = o->memberData[l->index].getter(); + if (!getter) + *result = Value::undefinedValue(); + else + *result = getter->call(ctx, Value::undefinedValue(), 0, 0); + return; + } + l->lookupGlobal = lookupGlobalGeneric; + lookupGlobalGeneric(l, ctx, result); +} + +void Lookup::lookupGlobalAccessor1(Lookup *l, ExecutionContext *ctx, Value *result) +{ + Object *o = ctx->engine->globalObject; + if (l->classList[0] == o->internalClass && + l->classList[1] == o->prototype->internalClass) { + FunctionObject *getter = o->prototype->memberData[l->index].getter(); + if (!getter) + *result = Value::undefinedValue(); + else + *result = getter->call(ctx, Value::undefinedValue(), 0, 0); + return; + } + l->lookupGlobal = lookupGlobalGeneric; + lookupGlobalGeneric(l, ctx, result); +} + +void Lookup::lookupGlobalAccessor2(Lookup *l, ExecutionContext *ctx, Value *result) +{ + Object *o = ctx->engine->globalObject; + if (l->classList[0] == o->internalClass) { + o = o->prototype; + if (l->classList[1] == o->internalClass) { + o = o->prototype; + if (l->classList[2] == o->internalClass) { + FunctionObject *getter = o->memberData[l->index].getter(); + if (!getter) + *result = Value::undefinedValue(); + else + *result = getter->call(ctx, Value::undefinedValue(), 0, 0); + return; + } + } + } + l->lookupGlobal = lookupGlobalGeneric; + lookupGlobalGeneric(l, ctx, result); +} + +} +} + +QT_END_NAMESPACE |