diff options
Diffstat (limited to 'src/qml/jsruntime/qv4context.cpp')
-rw-r--r-- | src/qml/jsruntime/qv4context.cpp | 337 |
1 files changed, 205 insertions, 132 deletions
diff --git a/src/qml/jsruntime/qv4context.cpp b/src/qml/jsruntime/qv4context.cpp index 9330f10780..f50c5ab017 100644 --- a/src/qml/jsruntime/qv4context.cpp +++ b/src/qml/jsruntime/qv4context.cpp @@ -36,10 +36,12 @@ #include <qv4context_p.h> #include <qv4object_p.h> #include <qv4objectproto_p.h> -#include "qv4mm_p.h" +#include <private/qv4mm_p.h> #include <qv4argumentsobject_p.h> #include "qv4function_p.h" #include "qv4errorobject_p.h" +#include "qv4string_p.h" +#include "private/qqmlcontextwrapper_p.h" using namespace QV4; @@ -48,8 +50,9 @@ DEFINE_MANAGED_VTABLE(CallContext); DEFINE_MANAGED_VTABLE(WithContext); DEFINE_MANAGED_VTABLE(CatchContext); DEFINE_MANAGED_VTABLE(GlobalContext); +DEFINE_MANAGED_VTABLE(QmlContext); -Heap::CallContext *ExecutionContext::newCallContext(FunctionObject *function, CallData *callData) +Heap::CallContext *ExecutionContext::newCallContext(const FunctionObject *function, CallData *callData) { Q_ASSERT(function->function()); @@ -90,31 +93,37 @@ Heap::CatchContext *ExecutionContext::newCatchContext(String *exceptionVarName, return d()->engine->memoryManager->alloc<CatchContext>(d()->engine, exceptionVarName, exceptionValue); } -Heap::CallContext *ExecutionContext::newQmlContext(FunctionObject *f, Object *qml) +Heap::QmlContext *ExecutionContext::newQmlContext(QmlContextWrapper *qml) { - Scope scope(this); - Scoped<CallContext> c(scope, d()->engine->memoryManager->allocManaged<CallContext>(requiredMemoryForExecutionContect(f, 0))); - new (c->d()) Heap::CallContext(d()->engine, qml, f); - return c->d(); + return d()->engine->memoryManager->alloc<QmlContext>(this, qml); } - void ExecutionContext::createMutableBinding(String *name, bool deletable) { Scope scope(this); // find the right context to create the binding on - ScopedObject activation(scope, d()->engine->globalObject()); + ScopedObject activation(scope, d()->engine->globalObject); ScopedContext ctx(scope, this); while (ctx) { - if (ctx->d()->type >= Heap::ExecutionContext::Type_CallContext) { + switch (ctx->d()->type) { + case Heap::ExecutionContext::Type_CallContext: + case Heap::ExecutionContext::Type_SimpleCallContext: { Heap::CallContext *c = static_cast<Heap::CallContext *>(ctx->d()); if (!c->activation) c->activation = scope.engine->newObject(); activation = c->activation; break; } + case Heap::ExecutionContext::Type_QmlContext: { + Heap::QmlContext *qml = static_cast<Heap::QmlContext *>(ctx->d()); + activation = qml->qml; + break; + } + default: + break; + } ctx = ctx->d()->outer; } @@ -130,7 +139,7 @@ void ExecutionContext::createMutableBinding(String *name, bool deletable) Heap::GlobalContext::GlobalContext(ExecutionEngine *eng) : Heap::ExecutionContext(eng, Heap::ExecutionContext::Type_GlobalContext) { - global = eng->globalObject()->d(); + global = eng->globalObject->d(); } Heap::WithContext::WithContext(ExecutionEngine *engine, QV4::Object *with) @@ -153,34 +162,23 @@ Heap::CatchContext::CatchContext(ExecutionEngine *engine, QV4::String *exception lookups = parent->lookups; compilationUnit = parent->compilationUnit; - this->exceptionVarName = exceptionVarName; + this->exceptionVarName = exceptionVarName->d(); this->exceptionValue = exceptionValue; } -Heap::CallContext::CallContext(ExecutionEngine *engine, QV4::Object *qml, QV4::FunctionObject *function) - : Heap::ExecutionContext(engine, Heap::ExecutionContext::Type_QmlContext) +Heap::QmlContext::QmlContext(QV4::ExecutionContext *outer, QV4::QmlContextWrapper *qml) + : Heap::ExecutionContext(outer->engine(), Heap::ExecutionContext::Type_QmlContext) { - this->function = function->d(); - callData = reinterpret_cast<CallData *>(this + 1); - callData->tag = QV4::Value::_Integer_Type; - callData->argc = 0; - callData->thisObject = Primitive::undefinedValue(); - strictMode = false; - outer = function->scope(); - - activation = qml->d(); - - if (function->function()) { - compilationUnit = function->function()->compilationUnit; - lookups = compilationUnit->runtimeLookups; - } + callData = parent->callData; + this->outer = outer->d(); + lookups = parent->lookups; + compilationUnit = parent->compilationUnit; - locals = (Value *)(this + 1); - if (function->varCount()) - std::fill(locals, locals + function->varCount(), Primitive::undefinedValue()); + this->qml = qml->d(); } + Identifier * const *CallContext::formals() const { return (d()->function && d()->function->function) ? d()->function->function->internalClass->nameMap.constData() : 0; @@ -209,16 +207,28 @@ bool ExecutionContext::deleteProperty(String *name) bool hasWith = false; ScopedContext ctx(scope, this); for (; ctx; ctx = ctx->d()->outer) { - if (ctx->d()->type == Heap::ExecutionContext::Type_WithContext) { + switch (ctx->d()->type) { + case Heap::ExecutionContext::Type_CatchContext: { + Heap::CatchContext *c = static_cast<Heap::CatchContext *>(ctx->d()); + if (c->exceptionVarName->isEqualTo(name->d())) + return false; + break; + } + case Heap::ExecutionContext::Type_WithContext: { hasWith = true; ScopedObject withObject(scope, static_cast<Heap::WithContext *>(ctx->d())->withObject); if (withObject->hasProperty(name)) return withObject->deleteProperty(name); - } else if (ctx->d()->type == Heap::ExecutionContext::Type_CatchContext) { - Heap::CatchContext *c = static_cast<Heap::CatchContext *>(ctx->d()); - if (c->exceptionVarName->isEqualTo(name)) - return false; - } else if (ctx->d()->type >= Heap::ExecutionContext::Type_CallContext) { + break; + } + case Heap::ExecutionContext::Type_GlobalContext: { + ScopedObject global(scope, static_cast<Heap::GlobalContext *>(ctx->d())->global); + if (global->hasProperty(name)) + return global->deleteProperty(name); + break; + } + case Heap::ExecutionContext::Type_CallContext: + case Heap::ExecutionContext::Type_SimpleCallContext: { Heap::CallContext *c = static_cast<Heap::CallContext *>(ctx->d()); ScopedFunctionObject f(scope, c->function); if (f->needsActivation() || hasWith) { @@ -227,13 +237,14 @@ bool ExecutionContext::deleteProperty(String *name) // ### throw in strict mode? return false; } - ScopedObject activation(scope, c->activation); - if (activation && activation->hasProperty(name)) - return activation->deleteProperty(name); - } else if (ctx->d()->type == Heap::ExecutionContext::Type_GlobalContext) { - ScopedObject global(scope, static_cast<Heap::GlobalContext *>(ctx->d())->global); - if (global->hasProperty(name)) - return global->deleteProperty(name); + ScopedObject qml(scope, c->activation); + if (qml && qml->hasProperty(name)) + return qml->deleteProperty(name); + break; + } + case Heap::ExecutionContext::Type_QmlContext: + // can't delete properties on qml objects + break; } } @@ -254,7 +265,27 @@ void ExecutionContext::markObjects(Heap::Base *m, ExecutionEngine *engine) if (ctx->outer) ctx->outer->mark(engine); - if (ctx->type >= Heap::ExecutionContext::Type_CallContext) { + switch (ctx->type) { + case Heap::ExecutionContext::Type_CatchContext: { + CatchContext::Data *c = static_cast<CatchContext::Data *>(ctx); + c->exceptionVarName->mark(engine); + c->exceptionValue.mark(engine); + break; + } + case Heap::ExecutionContext::Type_WithContext: { + WithContext::Data *w = static_cast<WithContext::Data *>(ctx); + if (w->withObject) + w->withObject->mark(engine); + break; + } + case Heap::ExecutionContext::Type_GlobalContext: { + GlobalContext::Data *g = static_cast<GlobalContext::Data *>(ctx); + g->global->mark(engine); + break; + } + case Heap::ExecutionContext::Type_SimpleCallContext: + break; + case Heap::ExecutionContext::Type_CallContext: { QV4::Heap::CallContext *c = static_cast<Heap::CallContext *>(ctx); ctx->callData->thisObject.mark(engine); for (int arg = 0; arg < qMax(ctx->callData->argc, (int)c->function->formalParameterCount()); ++arg) @@ -264,17 +295,13 @@ void ExecutionContext::markObjects(Heap::Base *m, ExecutionEngine *engine) if (c->activation) c->activation->mark(engine); c->function->mark(engine); - } else if (ctx->type == Heap::ExecutionContext::Type_WithContext) { - WithContext::Data *w = static_cast<WithContext::Data *>(ctx); - if (w->withObject) - w->withObject->mark(engine); - } else if (ctx->type == Heap::ExecutionContext::Type_CatchContext) { - CatchContext::Data *c = static_cast<CatchContext::Data *>(ctx); - c->exceptionVarName->mark(engine); - c->exceptionValue.mark(engine); - } else if (ctx->type == Heap::ExecutionContext::Type_GlobalContext) { - GlobalContext::Data *g = static_cast<GlobalContext::Data *>(ctx); - g->global->mark(engine); + break; + } + case Heap::ExecutionContext::Type_QmlContext: { + QmlContext::Data *g = static_cast<QmlContext::Data *>(ctx); + g->qml->mark(engine); + break; + } } } @@ -282,57 +309,71 @@ void ExecutionContext::setProperty(String *name, const Value &value) { Scope scope(this); ScopedContext ctx(scope, this); + ScopedObject activation(scope); + for (; ctx; ctx = ctx->d()->outer) { - if (ctx->d()->type == Heap::ExecutionContext::Type_WithContext) { + activation = (Object *)0; + switch (ctx->d()->type) { + case Heap::ExecutionContext::Type_CatchContext: { + Heap::CatchContext *c = static_cast<Heap::CatchContext *>(ctx->d()); + if (c->exceptionVarName->isEqualTo(name->d())) { + c->exceptionValue = value; + return; + } + break; + } + case Heap::ExecutionContext::Type_WithContext: { ScopedObject w(scope, static_cast<Heap::WithContext *>(ctx->d())->withObject); if (w->hasProperty(name)) { w->put(name, value); return; } - } else if (ctx->d()->type == Heap::ExecutionContext::Type_CatchContext && static_cast<Heap::CatchContext *>(ctx->d())->exceptionVarName->isEqualTo(name)) { - static_cast<Heap::CatchContext *>(ctx->d())->exceptionValue = value; - return; - } else { - ScopedObject activation(scope, (Object *)0); - if (ctx->d()->type >= Heap::ExecutionContext::Type_CallContext) { - Heap::CallContext *c = static_cast<Heap::CallContext *>(ctx->d()); - if (c->function->function) { - uint index = c->function->function->internalClass->find(name); - if (index < UINT_MAX) { - if (index < c->function->formalParameterCount()) { - c->callData->args[c->function->formalParameterCount() - index - 1] = value; - } else { - index -= c->function->formalParameterCount(); - c->locals[index] = value; - } - return; + break; + } + case Heap::ExecutionContext::Type_GlobalContext: { + activation = static_cast<Heap::GlobalContext *>(ctx->d())->global; + break; + } + case Heap::ExecutionContext::Type_CallContext: + case Heap::ExecutionContext::Type_SimpleCallContext: { + Heap::CallContext *c = static_cast<Heap::CallContext *>(ctx->d()); + if (c->function->function) { + uint index = c->function->function->internalClass->find(name); + if (index < UINT_MAX) { + if (index < c->function->formalParameterCount()) { + c->callData->args[c->function->formalParameterCount() - index - 1] = value; + } else { + index -= c->function->formalParameterCount(); + c->locals[index] = value; } + return; } - activation = c->activation; - } else if (ctx->d()->type == Heap::ExecutionContext::Type_GlobalContext) { - activation = static_cast<Heap::GlobalContext *>(ctx->d())->global; } + activation = c->activation; + break; + } + case Heap::ExecutionContext::Type_QmlContext: { + activation = static_cast<Heap::QmlContext *>(ctx->d())->qml; + activation->put(name, value); + return; + } + } - if (activation) { - if (ctx->d()->type == Heap::ExecutionContext::Type_QmlContext) { - activation->put(name, value); - return; - } else { - uint member = activation->internalClass()->find(name); - if (member < UINT_MAX) { - activation->putValue(activation->propertyAt(member), activation->internalClass()->propertyData[member], value); - return; - } - } + if (activation) { + uint member = activation->internalClass()->find(name); + if (member < UINT_MAX) { + activation->putValue(activation->propertyAt(member), activation->internalClass()->propertyData[member], value); + return; } } } - if (d()->strictMode || name->equals(d()->engine->id_this)) { + + if (d()->strictMode || name->equals(d()->engine->id_this())) { ScopedValue n(scope, name->asReturnedValue()); engine()->throwReferenceError(n); return; } - d()->engine->globalObject()->put(name, value); + d()->engine->globalObject->put(name, value); } ReturnedValue ExecutionContext::getProperty(String *name) @@ -341,14 +382,22 @@ ReturnedValue ExecutionContext::getProperty(String *name) ScopedValue v(scope); name->makeIdentifier(scope.engine); - if (name->equals(d()->engine->id_this)) + if (name->equals(d()->engine->id_this())) return thisObject().asReturnedValue(); bool hasWith = false; bool hasCatchScope = false; ScopedContext ctx(scope, this); for (; ctx; ctx = ctx->d()->outer) { - if (ctx->d()->type == Heap::ExecutionContext::Type_WithContext) { + switch (ctx->d()->type) { + case Heap::ExecutionContext::Type_CatchContext: { + hasCatchScope = true; + Heap::CatchContext *c = static_cast<Heap::CatchContext *>(ctx->d()); + if (c->exceptionVarName->isEqualTo(name->d())) + return c->exceptionValue.asReturnedValue(); + break; + } + case Heap::ExecutionContext::Type_WithContext: { ScopedObject w(scope, static_cast<Heap::WithContext *>(ctx->d())->withObject); hasWith = true; bool hasProperty = false; @@ -356,17 +405,18 @@ ReturnedValue ExecutionContext::getProperty(String *name) if (hasProperty) { return v->asReturnedValue(); } - continue; + break; } - - else if (ctx->d()->type == Heap::ExecutionContext::Type_CatchContext) { - hasCatchScope = true; - Heap::CatchContext *c = static_cast<Heap::CatchContext *>(ctx->d()); - if (c->exceptionVarName->isEqualTo(name)) - return c->exceptionValue.asReturnedValue(); + case Heap::ExecutionContext::Type_GlobalContext: { + ScopedObject global(scope, static_cast<Heap::GlobalContext *>(ctx->d())->global); + bool hasProperty = false; + v = global->get(name, &hasProperty); + if (hasProperty) + return v->asReturnedValue(); + break; } - - else if (ctx->d()->type >= Heap::ExecutionContext::Type_CallContext) { + case Heap::ExecutionContext::Type_CallContext: + case Heap::ExecutionContext::Type_SimpleCallContext: { Heap::CallContext *c = static_cast<Heap::CallContext *>(ctx->d()); ScopedFunctionObject f(scope, c->function); if (f->function() && (f->needsActivation() || hasWith || hasCatchScope)) { @@ -387,85 +437,97 @@ ReturnedValue ExecutionContext::getProperty(String *name) if (f->function() && f->function()->isNamedExpression() && name->equals(ScopedString(scope, f->function()->name()))) return f.asReturnedValue(); + break; } - - else if (ctx->d()->type == Heap::ExecutionContext::Type_GlobalContext) { - ScopedObject global(scope, static_cast<Heap::GlobalContext *>(ctx->d())->global); + case Heap::ExecutionContext::Type_QmlContext: { + ScopedObject qml(scope, static_cast<Heap::QmlContext *>(ctx->d())->qml); bool hasProperty = false; - v = global->get(name, &hasProperty); + v = qml->get(name, &hasProperty); if (hasProperty) return v->asReturnedValue(); + break; + } } } ScopedValue n(scope, name); return engine()->throwReferenceError(n); } -ReturnedValue ExecutionContext::getPropertyAndBase(String *name, Heap::Object **base) +ReturnedValue ExecutionContext::getPropertyAndBase(String *name, Value *base) { Scope scope(this); ScopedValue v(scope); - *base = (Heap::Object *)0; + base->setM(0); name->makeIdentifier(scope.engine); - if (name->equals(d()->engine->id_this)) + if (name->equals(d()->engine->id_this())) return thisObject().asReturnedValue(); bool hasWith = false; bool hasCatchScope = false; ScopedContext ctx(scope, this); for (; ctx; ctx = ctx->d()->outer) { - if (ctx->d()->type == Heap::ExecutionContext::Type_WithContext) { + switch (ctx->d()->type) { + case Heap::ExecutionContext::Type_CatchContext: { + hasCatchScope = true; + Heap::CatchContext *c = static_cast<Heap::CatchContext *>(ctx->d()); + if (c->exceptionVarName->isEqualTo(name->d())) + return c->exceptionValue.asReturnedValue(); + break; + } + case Heap::ExecutionContext::Type_WithContext: { ScopedObject w(scope, static_cast<Heap::WithContext *>(ctx->d())->withObject); hasWith = true; bool hasProperty = false; v = w->get(name, &hasProperty); if (hasProperty) { - *base = w->d(); + base->setM(w->d()); return v->asReturnedValue(); } - continue; + break; } - - else if (ctx->d()->type == Heap::ExecutionContext::Type_CatchContext) { - hasCatchScope = true; - Heap::CatchContext *c = static_cast<Heap::CatchContext *>(ctx->d()); - if (c->exceptionVarName->isEqualTo(name)) - return c->exceptionValue.asReturnedValue(); + case Heap::ExecutionContext::Type_GlobalContext: { + ScopedObject global(scope, static_cast<Heap::GlobalContext *>(ctx->d())->global); + bool hasProperty = false; + v = global->get(name, &hasProperty); + if (hasProperty) + return v->asReturnedValue(); + break; } - - else if (ctx->d()->type >= Heap::ExecutionContext::Type_CallContext) { + case Heap::ExecutionContext::Type_CallContext: + case Heap::ExecutionContext::Type_SimpleCallContext: { Heap::CallContext *c = static_cast<Heap::CallContext *>(ctx->d()); ScopedFunctionObject f(scope, c->function); if (f->function() && (f->needsActivation() || hasWith || hasCatchScope)) { uint index = f->function()->internalClass->find(name); if (index < UINT_MAX) { - if (index < f->formalParameterCount()) - return c->callData->args[f->formalParameterCount() - index - 1].asReturnedValue(); - return c->locals[index - f->formalParameterCount()].asReturnedValue(); + if (index < c->function->formalParameterCount()) + return c->callData->args[c->function->formalParameterCount() - index - 1].asReturnedValue(); + return c->locals[index - c->function->formalParameterCount()].asReturnedValue(); } } ScopedObject activation(scope, c->activation); if (activation) { bool hasProperty = false; v = activation->get(name, &hasProperty); - if (hasProperty) { - if (ctx->d()->type == Heap::ExecutionContext::Type_QmlContext) - *base = activation->d(); + if (hasProperty) return v->asReturnedValue(); - } } if (f->function() && f->function()->isNamedExpression() && name->equals(ScopedString(scope, f->function()->name()))) - return c->function->asReturnedValue(); + return f.asReturnedValue(); + break; } - - else if (ctx->d()->type == Heap::ExecutionContext::Type_GlobalContext) { - ScopedObject global(scope, static_cast<Heap::GlobalContext *>(ctx->d())->global); + case Heap::ExecutionContext::Type_QmlContext: { + ScopedObject qml(scope, static_cast<Heap::QmlContext *>(ctx->d())->qml); bool hasProperty = false; - v = global->get(name, &hasProperty); - if (hasProperty) + v = qml->get(name, &hasProperty); + if (hasProperty) { + base->setM(qml->d()); return v->asReturnedValue(); + } + break; + } } } ScopedValue n(scope, name); @@ -487,3 +549,14 @@ Heap::FunctionObject *ExecutionContext::getFunctionObject() const return 0; } + + +QObject *QmlContext::qmlScope() const +{ + return d()->qml->scopeObject; +} + +QQmlContextData *QmlContext::qmlContext() const +{ + return d()->qml->context; +} |