diff options
28 files changed, 235 insertions, 54 deletions
diff --git a/src/qml/compiler/qqmlirbuilder.cpp b/src/qml/compiler/qqmlirbuilder.cpp index 59b9968bf6..4b4d3c27e8 100644 --- a/src/qml/compiler/qqmlirbuilder.cpp +++ b/src/qml/compiler/qqmlirbuilder.cpp @@ -2228,7 +2228,8 @@ void JSCodeGen::beginFunctionBodyHook() QV4::Compiler::Codegen::Reference JSCodeGen::fallbackNameLookup(const QString &name) { #ifndef V4_BOOTSTRAP - if (_disableAcceleratedLookups) + // FIXME: Remove this function. + if (_disableAcceleratedLookups || true) return Reference(); // Implement QML lookup semantics in the current file context. diff --git a/src/qml/compiler/qv4bytecodehandler.cpp b/src/qml/compiler/qv4bytecodehandler.cpp index af86b70014..a34472010b 100644 --- a/src/qml/compiler/qv4bytecodehandler.cpp +++ b/src/qml/compiler/qv4bytecodehandler.cpp @@ -192,6 +192,9 @@ std::vector<int> ByteCodeHandler::collectLabelsInBytecode(const char *code, uint COLLECTOR_BEGIN_INSTR(LoadGlobalLookup) COLLECTOR_END_INSTR(LoadGlobalLookup) + COLLECTOR_BEGIN_INSTR(LoadQmlContextPropertyLookup) + COLLECTOR_END_INSTR(LoadQmlContextPropertyLookup) + COLLECTOR_BEGIN_INSTR(StoreNameSloppy) COLLECTOR_END_INSTR(StoreNameSloppy) @@ -270,6 +273,9 @@ std::vector<int> ByteCodeHandler::collectLabelsInBytecode(const char *code, uint COLLECTOR_BEGIN_INSTR(CallGlobalLookup) COLLECTOR_END_INSTR(CallGlobalLookup) + COLLECTOR_BEGIN_INSTR(CallQmlContextPropertyLookup) + COLLECTOR_END_INSTR(CallQmlContextPropertyLookup) + COLLECTOR_BEGIN_INSTR(CallScopeObjectProperty) COLLECTOR_END_INSTR(CallScopeObjectProperty) diff --git a/src/qml/compiler/qv4codegen.cpp b/src/qml/compiler/qv4codegen.cpp index 66c334d197..de87d6d48c 100644 --- a/src/qml/compiler/qv4codegen.cpp +++ b/src/qml/compiler/qv4codegen.cpp @@ -1982,11 +1982,19 @@ void Codegen::handleCall(Reference &base, Arguments calldata, int slotForFunctio call.argv = calldata.argv; bytecodeGenerator->addInstruction(call); } else if (!disable_lookups && useFastLookups && base.global) { - Instruction::CallGlobalLookup call; - call.index = registerGlobalGetterLookup(base.nameAsIndex()); - call.argc = calldata.argc; - call.argv = calldata.argv; - bytecodeGenerator->addInstruction(call); + if (base.qmlGlobal) { + Instruction::CallQmlContextPropertyLookup call; + call.index = registerQmlContextPropertyGetterLookup(base.nameAsIndex()); + call.argc = calldata.argc; + call.argv = calldata.argv; + bytecodeGenerator->addInstruction(call); + } else { + Instruction::CallGlobalLookup call; + call.index = registerGlobalGetterLookup(base.nameAsIndex()); + call.argc = calldata.argc; + call.argv = calldata.argv; + bytecodeGenerator->addInstruction(call); + } } else { Instruction::CallName call; call.name = base.nameAsIndex(); @@ -2361,8 +2369,9 @@ Codegen::Reference Codegen::referenceForName(const QString &name, bool isLhs, co return fallback; Reference r = Reference::fromName(this, name); - r.global = useFastLookups && (resolved.type == Context::ResolvedName::Global); - if (!r.global && canAccelerateGlobalLookups() && m_globalNames.contains(name)) + r.global = useFastLookups && (resolved.type == Context::ResolvedName::Global || resolved.type == Context::ResolvedName::QmlGlobal); + r.qmlGlobal = resolved.type == Context::ResolvedName::QmlGlobal; + if (!r.global && !r.qmlGlobal && m_globalNames.contains(name)) r.global = true; return r; } @@ -4385,9 +4394,15 @@ QT_WARNING_POP } } if (!disable_lookups && global) { - Instruction::LoadGlobalLookup load; - load.index = codegen->registerGlobalGetterLookup(nameAsIndex()); - codegen->bytecodeGenerator->addInstruction(load); + if (qmlGlobal) { + Instruction::LoadQmlContextPropertyLookup load; + load.index = codegen->registerQmlContextPropertyGetterLookup(nameAsIndex()); + codegen->bytecodeGenerator->addInstruction(load); + } else { + Instruction::LoadGlobalLookup load; + load.index = codegen->registerGlobalGetterLookup(nameAsIndex()); + codegen->bytecodeGenerator->addInstruction(load); + } } else { Instruction::LoadName load; load.name = nameAsIndex(); diff --git a/src/qml/compiler/qv4codegen_p.h b/src/qml/compiler/qv4codegen_p.h index 0b25d9c53d..b1cc4c090a 100644 --- a/src/qml/compiler/qv4codegen_p.h +++ b/src/qml/compiler/qv4codegen_p.h @@ -207,7 +207,8 @@ public: subscriptRequiresTDZCheck(false), stackSlotIsLocalOrArgument(false), isVolatile(false), - global(false) + global(false), + qmlGlobal(false) {} Reference(const Reference &) = default; @@ -421,6 +422,7 @@ public: quint32 stackSlotIsLocalOrArgument:1; quint32 isVolatile:1; quint32 global:1; + quint32 qmlGlobal:1; private: void storeAccumulator() const; @@ -553,6 +555,7 @@ public: int registerGetterLookup(int nameIndex) { return jsUnitGenerator->registerGetterLookup(nameIndex); } int registerSetterLookup(int nameIndex) { return jsUnitGenerator->registerSetterLookup(nameIndex); } int registerGlobalGetterLookup(int nameIndex) { return jsUnitGenerator->registerGlobalGetterLookup(nameIndex); } + int registerQmlContextPropertyGetterLookup(int nameIndex) { return jsUnitGenerator->registerQmlContextPropertyGetterLookup(nameIndex); } // Returns index in _module->functions virtual int defineFunction(const QString &name, AST::Node *ast, diff --git a/src/qml/compiler/qv4compileddata.cpp b/src/qml/compiler/qv4compileddata.cpp index e428340f62..6701443971 100644 --- a/src/qml/compiler/qv4compileddata.cpp +++ b/src/qml/compiler/qv4compileddata.cpp @@ -170,6 +170,8 @@ QV4::Function *CompilationUnit::linkToEngine(ExecutionEngine *engine) l->setter = QV4::Lookup::setterGeneric; else if (type == CompiledData::Lookup::Type_GlobalGetter) l->globalGetter = QV4::Lookup::globalGetterGeneric; + else if (type == CompiledData::Lookup::Type_QmlContextPropertyGetter) + l->qmlContextPropertyGetter = QQmlContextWrapper::resolveQmlContextPropertyLookupGetter; l->nameIndex = compiledLookups[i].nameIndex; } } diff --git a/src/qml/compiler/qv4compileddata_p.h b/src/qml/compiler/qv4compileddata_p.h index c4821daa86..d63b1fd2b9 100644 --- a/src/qml/compiler/qv4compileddata_p.h +++ b/src/qml/compiler/qv4compileddata_p.h @@ -160,9 +160,10 @@ static_assert(sizeof(RegExp) == 4, "RegExp structure needs to have the expected struct Lookup { enum Type : unsigned int { - Type_Getter = 0x0, - Type_Setter = 0x1, - Type_GlobalGetter = 2 + Type_Getter = 0, + Type_Setter = 1, + Type_GlobalGetter = 2, + Type_QmlContextPropertyGetter = 3 }; union { diff --git a/src/qml/compiler/qv4compiler.cpp b/src/qml/compiler/qv4compiler.cpp index 3076c6b526..a3c9347c67 100644 --- a/src/qml/compiler/qv4compiler.cpp +++ b/src/qml/compiler/qv4compiler.cpp @@ -154,15 +154,19 @@ int QV4::Compiler::JSUnitGenerator::registerSetterLookup(int nameIndex) return lookups.size() - 1; } -int QV4::Compiler::JSUnitGenerator::registerGlobalGetterLookup(const QString &name) +int QV4::Compiler::JSUnitGenerator::registerGlobalGetterLookup(int nameIndex) { - return registerGlobalGetterLookup(registerString(name)); + CompiledData::Lookup l; + l.type_and_flags = CompiledData::Lookup::Type_GlobalGetter; + l.nameIndex = nameIndex; + lookups << l; + return lookups.size() - 1; } -int QV4::Compiler::JSUnitGenerator::registerGlobalGetterLookup(int nameIndex) +int QV4::Compiler::JSUnitGenerator::registerQmlContextPropertyGetterLookup(int nameIndex) { CompiledData::Lookup l; - l.type_and_flags = CompiledData::Lookup::Type_GlobalGetter; + l.type_and_flags = CompiledData::Lookup::Type_QmlContextPropertyGetter; l.nameIndex = nameIndex; lookups << l; return lookups.size() - 1; diff --git a/src/qml/compiler/qv4compiler_p.h b/src/qml/compiler/qv4compiler_p.h index 2f5889ab53..49e334bb81 100644 --- a/src/qml/compiler/qv4compiler_p.h +++ b/src/qml/compiler/qv4compiler_p.h @@ -118,8 +118,8 @@ struct Q_QML_PRIVATE_EXPORT JSUnitGenerator { int registerGetterLookup(int nameIndex); int registerSetterLookup(const QString &name); int registerSetterLookup(int nameIndex); - int registerGlobalGetterLookup(const QString &name); int registerGlobalGetterLookup(int nameIndex); + int registerQmlContextPropertyGetterLookup(int nameIndex); int registerRegExp(QQmlJS::AST::RegExpLiteral *regexp); diff --git a/src/qml/compiler/qv4compilercontext.cpp b/src/qml/compiler/qv4compilercontext.cpp index 5772bff7bf..84c5d67e8d 100644 --- a/src/qml/compiler/qv4compilercontext.cpp +++ b/src/qml/compiler/qv4compilercontext.cpp @@ -187,10 +187,13 @@ Context::ResolvedName Context::resolveName(const QString &name, const QQmlJS::AS } // ### can we relax the restrictions here? - if (c->contextType == ContextType::Eval || c->contextType == ContextType::Binding) + if (c->contextType == ContextType::Eval) return result; - result.type = ResolvedName::Global; + if (c->contextType == ContextType::Binding) + result.type = ResolvedName::QmlGlobal; + else + result.type = ResolvedName::Global; return result; } diff --git a/src/qml/compiler/qv4compilercontext_p.h b/src/qml/compiler/qv4compilercontext_p.h index 328715da07..c9e54c0d1b 100644 --- a/src/qml/compiler/qv4compilercontext_p.h +++ b/src/qml/compiler/qv4compilercontext_p.h @@ -336,6 +336,7 @@ struct Context { struct ResolvedName { enum Type { Unresolved, + QmlGlobal, Global, Local, Stack, diff --git a/src/qml/compiler/qv4instr_moth.cpp b/src/qml/compiler/qv4instr_moth.cpp index 83aca3a02c..d2e95b83c4 100644 --- a/src/qml/compiler/qv4instr_moth.cpp +++ b/src/qml/compiler/qv4instr_moth.cpp @@ -286,6 +286,10 @@ void dumpBytecode(const char *code, int len, int nLocals, int nFormals, int /*st d << index; MOTH_END_INSTR(LoadGlobalLookup) + MOTH_BEGIN_INSTR(LoadQmlContextPropertyLookup) + d << index; + MOTH_END_INSTR(LoadQmlContextPropertyLookup) + MOTH_BEGIN_INSTR(StoreNameSloppy) d << name; MOTH_END_INSTR(StoreNameSloppy) @@ -388,6 +392,10 @@ void dumpBytecode(const char *code, int len, int nLocals, int nFormals, int /*st d << index << dumpArguments(argc, argv, nFormals); MOTH_END_INSTR(CallGlobalLookup) + MOTH_BEGIN_INSTR(CallQmlContextPropertyLookup) + d << index << dumpArguments(argc, argv, nFormals); + MOTH_END_INSTR(CallQmlContextPropertyLookup) + MOTH_BEGIN_INSTR(CallScopeObjectProperty) d << dumpRegister(base, nFormals) << "." << name << dumpArguments(argc, argv, nFormals); MOTH_END_INSTR(CallScopeObjectProperty) diff --git a/src/qml/compiler/qv4instr_moth_p.h b/src/qml/compiler/qv4instr_moth_p.h index 2ca8f692b8..1c77e6050c 100644 --- a/src/qml/compiler/qv4instr_moth_p.h +++ b/src/qml/compiler/qv4instr_moth_p.h @@ -86,6 +86,7 @@ QT_BEGIN_NAMESPACE #define INSTR_LoadClosure(op) INSTRUCTION(op, LoadClosure, 1, value) #define INSTR_LoadName(op) INSTRUCTION(op, LoadName, 1, name) #define INSTR_LoadGlobalLookup(op) INSTRUCTION(op, LoadGlobalLookup, 1, index) +#define INSTR_LoadQmlContextPropertyLookup(op) INSTRUCTION(op, LoadQmlContextPropertyLookup, 1, index) #define INSTR_StoreNameSloppy(op) INSTRUCTION(op, StoreNameSloppy, 1, name) #define INSTR_StoreNameStrict(op) INSTRUCTION(op, StoreNameStrict, 1, name) #define INSTR_LoadProperty(op) INSTRUCTION(op, LoadProperty, 1, name) @@ -113,6 +114,7 @@ QT_BEGIN_NAMESPACE #define INSTR_CallName(op) INSTRUCTION(op, CallName, 3, name, argc, argv) #define INSTR_CallPossiblyDirectEval(op) INSTRUCTION(op, CallPossiblyDirectEval, 2, argc, argv) #define INSTR_CallGlobalLookup(op) INSTRUCTION(op, CallGlobalLookup, 3, index, argc, argv) +#define INSTR_CallQmlContextPropertyLookup(op) INSTRUCTION(op, CallQmlContextPropertyLookup, 3, index, argc, argv) #define INSTR_CallScopeObjectProperty(op) INSTRUCTION(op, CallScopeObjectProperty, 4, name, base, argc, argv) #define INSTR_CallContextObjectProperty(op) INSTRUCTION(op, CallContextObjectProperty, 4, name, base, argc, argv) #define INSTR_CallWithSpread(op) INSTRUCTION(op, CallWithSpread, 4, func, thisObject, argc, argv) @@ -228,6 +230,7 @@ QT_BEGIN_NAMESPACE F(LoadClosure) \ F(LoadName) \ F(LoadGlobalLookup) \ + F(LoadQmlContextPropertyLookup) \ F(StoreNameSloppy) \ F(StoreNameStrict) \ F(LoadElement) \ @@ -296,6 +299,7 @@ QT_BEGIN_NAMESPACE F(CallName) \ F(CallPossiblyDirectEval) \ F(CallGlobalLookup) \ + F(CallQmlContextPropertyLookup) \ F(CallScopeObjectProperty) \ F(CallContextObjectProperty) \ F(CallWithSpread) \ diff --git a/src/qml/jit/qv4baselinejit.cpp b/src/qml/jit/qv4baselinejit.cpp index 098bbfc6c6..47cef3b3bd 100644 --- a/src/qml/jit/qv4baselinejit.cpp +++ b/src/qml/jit/qv4baselinejit.cpp @@ -213,6 +213,16 @@ void BaselineJIT::generate_LoadGlobalLookup(int index) as->checkException(); } +void BaselineJIT::generate_LoadQmlContextPropertyLookup(int index) +{ + as->prepareCallWithArgCount(3); + as->passInt32AsArg(index, 2); + as->passEngineAsArg(1); + as->passFunctionAsArg(0); + BASELINEJIT_GENERATE_RUNTIME_CALL(Helpers::loadQmlContextPropertyLookup, CallResultDestination::InAccumulator); + as->checkException(); +} + void BaselineJIT::generate_StoreNameSloppy(int name) { STORE_IP(); @@ -514,6 +524,18 @@ void BaselineJIT::generate_CallGlobalLookup(int index, int argc, int argv) as->checkException(); } +void BaselineJIT::generate_CallQmlContextPropertyLookup(int index, int argc, int argv) +{ + STORE_IP(); + as->prepareCallWithArgCount(4); + as->passInt32AsArg(argc, 3); + as->passJSSlotAsArg(argv, 2); + as->passInt32AsArg(index, 1); + as->passEngineAsArg(0); + BASELINEJIT_GENERATE_RUNTIME_CALL(Runtime::method_callQmlContextPropertyLookup, CallResultDestination::InAccumulator); + as->checkException(); +} + void BaselineJIT::generate_CallScopeObjectProperty(int propIdx, int base, int argc, int argv) { STORE_IP(); diff --git a/src/qml/jit/qv4baselinejit_p.h b/src/qml/jit/qv4baselinejit_p.h index 98d23f4517..4db1eb1806 100644 --- a/src/qml/jit/qv4baselinejit_p.h +++ b/src/qml/jit/qv4baselinejit_p.h @@ -97,6 +97,7 @@ public: void generate_LoadClosure(int value) override; void generate_LoadName(int name) override; void generate_LoadGlobalLookup(int index) override; + void generate_LoadQmlContextPropertyLookup(int index) override; void generate_StoreNameSloppy(int name) override; void generate_StoreNameStrict(int name) override; void generate_LoadElement(int base) override; @@ -128,6 +129,7 @@ public: void generate_CallName(int name, int argc, int argv) override; void generate_CallPossiblyDirectEval(int argc, int argv) override; void generate_CallGlobalLookup(int index, int argc, int argv) override; + void generate_CallQmlContextPropertyLookup(int index, int argc, int argv) override; void generate_CallScopeObjectProperty(int propIdx, int base, int argc, int argv) override; void generate_CallContextObjectProperty(int propIdx, int base, int argc, int argv) override; void generate_CallWithSpread(int func, int thisObject, int argc, int argv) override; diff --git a/src/qml/jit/qv4jithelpers.cpp b/src/qml/jit/qv4jithelpers.cpp index f43f37ad70..674fd8c8c8 100644 --- a/src/qml/jit/qv4jithelpers.cpp +++ b/src/qml/jit/qv4jithelpers.cpp @@ -70,6 +70,12 @@ ReturnedValue loadGlobalLookup(Function *f, ExecutionEngine *engine, int index) return l->globalGetter(l, engine); } +ReturnedValue loadQmlContextPropertyLookup(Function *f, ExecutionEngine *engine, int index) +{ + Lookup *l = f->compilationUnit->runtimeLookups + index; + return l->qmlContextPropertyGetter(l, engine, nullptr); +} + ReturnedValue toObject(ExecutionEngine *engine, const Value &obj) { if (obj.isObject()) diff --git a/src/qml/jit/qv4jithelpers_p.h b/src/qml/jit/qv4jithelpers_p.h index bd5f65034d..d9abfc071e 100644 --- a/src/qml/jit/qv4jithelpers_p.h +++ b/src/qml/jit/qv4jithelpers_p.h @@ -66,6 +66,7 @@ namespace Helpers { void convertThisToObject(ExecutionEngine *engine, Value *t); ReturnedValue loadGlobalLookup(Function *f, ExecutionEngine *engine, int index); +ReturnedValue loadQmlContextPropertyLookup(Function *f, ExecutionEngine *engine, int index); ReturnedValue toObject(ExecutionEngine *engine, const Value &obj); ReturnedValue exp(const Value &base, const Value &exp); ReturnedValue getLookup(Function *f, ExecutionEngine *engine, const Value &base, int index); diff --git a/src/qml/jsruntime/qv4engine.cpp b/src/qml/jsruntime/qv4engine.cpp index f00578aa70..1d0c7c13fa 100644 --- a/src/qml/jsruntime/qv4engine.cpp +++ b/src/qml/jsruntime/qv4engine.cpp @@ -1169,6 +1169,14 @@ ReturnedValue ExecutionEngine::throwTypeError(const QString &message) return throwError(error); } +ReturnedValue ExecutionEngine::throwReferenceError(const QString &name) +{ + Scope scope(this); + QString msg = name + QLatin1String(" is not defined"); + ScopedObject error(scope, newReferenceErrorObject(msg)); + return throwError(error); +} + ReturnedValue ExecutionEngine::throwReferenceError(const Value &value) { Scope scope(this); diff --git a/src/qml/jsruntime/qv4engine_p.h b/src/qml/jsruntime/qv4engine_p.h index 64c7e2f32b..86367c0ece 100644 --- a/src/qml/jsruntime/qv4engine_p.h +++ b/src/qml/jsruntime/qv4engine_p.h @@ -569,6 +569,7 @@ public: ReturnedValue throwTypeError(); ReturnedValue throwTypeError(const QString &message); ReturnedValue throwReferenceError(const Value &value); + ReturnedValue throwReferenceError(const QString &name); ReturnedValue throwReferenceError(const QString &value, const QString &fileName, int lineNumber, int column); ReturnedValue throwRangeError(const Value &value); ReturnedValue throwRangeError(const QString &message); diff --git a/src/qml/jsruntime/qv4lookup_p.h b/src/qml/jsruntime/qv4lookup_p.h index b0d5706dea..e4d9ad8328 100644 --- a/src/qml/jsruntime/qv4lookup_p.h +++ b/src/qml/jsruntime/qv4lookup_p.h @@ -68,6 +68,7 @@ struct Lookup { union { ReturnedValue (*getter)(Lookup *l, ExecutionEngine *engine, const Value &object); ReturnedValue (*globalGetter)(Lookup *l, ExecutionEngine *engine); + ReturnedValue (*qmlContextPropertyGetter)(Lookup *l, ExecutionEngine *engine, Value *thisObject); bool (*setter)(Lookup *l, ExecutionEngine *engine, Value &object, const Value &v); }; union { diff --git a/src/qml/jsruntime/qv4qmlcontext.cpp b/src/qml/jsruntime/qv4qmlcontext.cpp index 88b0822f42..ae458c604a 100644 --- a/src/qml/jsruntime/qv4qmlcontext.cpp +++ b/src/qml/jsruntime/qv4qmlcontext.cpp @@ -55,6 +55,8 @@ #include <private/qjsvalue_p.h> #include <private/qv4qobjectwrapper_p.h> #include <private/qv4module_p.h> +#include <private/qv4lookup_p.h> +#include <private/qv4identifiertable_p.h> QT_BEGIN_NAMESPACE @@ -77,14 +79,11 @@ void Heap::QQmlContextWrapper::destroy() Object::destroy(); } -ReturnedValue QQmlContextWrapper::virtualGet(const Managed *m, PropertyKey id, const Value *receiver, bool *hasProperty) +ReturnedValue QQmlContextWrapper::getPropertyAndBase(const QQmlContextWrapper *resource, PropertyKey id, const Value *receiver, bool *hasProperty, Value *base) { - Q_ASSERT(m->as<QQmlContextWrapper>()); - if (!id.isString()) - return Object::virtualGet(m, id, receiver, hasProperty); + return Object::virtualGet(resource, id, receiver, hasProperty); - const QQmlContextWrapper *resource = static_cast<const QQmlContextWrapper *>(m); QV4::ExecutionEngine *v4 = resource->engine(); QV4::Scope scope(v4); @@ -100,11 +99,11 @@ ReturnedValue QQmlContextWrapper::virtualGet(const Managed *m, PropertyKey id, c } } - return Object::virtualGet(m, id, receiver, hasProperty); + return Object::virtualGet(resource, id, receiver, hasProperty); } bool hasProp = false; - ScopedValue result(scope, Object::virtualGet(m, id, receiver, &hasProp)); + ScopedValue result(scope, Object::virtualGet(resource, id, receiver, &hasProp)); if (hasProp) { if (hasProperty) *hasProperty = hasProp; @@ -234,6 +233,8 @@ ReturnedValue QQmlContextWrapper::virtualGet(const Managed *m, PropertyKey id, c if (hasProp) { if (hasProperty) *hasProperty = true; + if (base) + *base = QV4::QObjectWrapper::wrap(v4, scopeObject); return result->asReturnedValue(); } } @@ -247,6 +248,8 @@ ReturnedValue QQmlContextWrapper::virtualGet(const Managed *m, PropertyKey id, c if (hasProp) { if (hasProperty) *hasProperty = true; + if (base) + *base = QV4::QObjectWrapper::wrap(v4, context->contextObject); return result->asReturnedValue(); } } @@ -264,6 +267,13 @@ ReturnedValue QQmlContextWrapper::virtualGet(const Managed *m, PropertyKey id, c return Encode::undefined(); } +ReturnedValue QQmlContextWrapper::virtualGet(const Managed *m, PropertyKey id, const Value *receiver, bool *hasProperty) +{ + Q_ASSERT(m->as<QQmlContextWrapper>()); + const QQmlContextWrapper *This = static_cast<const QQmlContextWrapper *>(m); + return getPropertyAndBase(This, id, receiver, hasProperty, /*base*/nullptr); +} + bool QQmlContextWrapper::virtualPut(Managed *m, PropertyKey id, const Value &value, Value *receiver) { Q_ASSERT(m->as<QQmlContextWrapper>()); @@ -298,8 +308,16 @@ bool QQmlContextWrapper::virtualPut(Managed *m, PropertyKey id, const Value &val while (context) { const QV4::IdentifierHash &properties = context->propertyNames(); // Search context properties - if (properties.count() && properties.value(name) != -1) - return false; + if (properties.count()) { + const int propertyIndex = properties.value(name); + if (propertyIndex != -1) { + if (propertyIndex < context->idValueCount) { + v4->throwError(QLatin1String("left-hand side of assignment operator is not an lvalue")); + return false; + } + return false; + } + } // Search scope object if (scopeObject && @@ -323,6 +341,32 @@ bool QQmlContextWrapper::virtualPut(Managed *m, PropertyKey id, const Value &val return false; } +ReturnedValue QQmlContextWrapper::resolveQmlContextPropertyLookupGetter(Lookup *l, ExecutionEngine *engine, Value *base) +{ + Scope scope(engine); + PropertyKey name =engine->identifierTable->asPropertyKey(engine->currentStackFrame->v4Function->compilationUnit-> + runtimeStrings[l->nameIndex]); + + // Special hack for bounded signal expressions, where the parameters of signals are injected + // into the handler expression through the locals of the call context. So for onClicked: { ... } + // the parameters of the clicked signal are injected and we must allow for them to be found here + // before any other property from the QML context. + ExecutionContext &ctx = static_cast<ExecutionContext &>(engine->currentStackFrame->jsFrame->context); + if (ctx.d()->type == Heap::ExecutionContext::Type_CallContext) { + uint index = ctx.d()->internalClass->indexOfValueOrGetter(name); + if (index < UINT_MAX) + return static_cast<Heap::CallContext*>(ctx.d())->locals[index].asReturnedValue(); + } + + Scoped<QQmlContextWrapper> qmlContext(scope, engine->qmlContext()->qml()); + bool hasProperty = false; + ScopedValue result(scope, QQmlContextWrapper::getPropertyAndBase(qmlContext, name, /*receiver*/nullptr, + &hasProperty, base)); + if (!hasProperty) + return engine->throwReferenceError(name.toQString()); + return result->asReturnedValue(); +} + void Heap::QmlContext::init(QV4::ExecutionContext *outerContext, QV4::QQmlContextWrapper *qml) { Heap::ExecutionContext::init(Heap::ExecutionContext::Type_QmlContext); diff --git a/src/qml/jsruntime/qv4qmlcontext_p.h b/src/qml/jsruntime/qv4qmlcontext_p.h index dd6de3323d..f704280bf4 100644 --- a/src/qml/jsruntime/qv4qmlcontext_p.h +++ b/src/qml/jsruntime/qv4qmlcontext_p.h @@ -99,8 +99,12 @@ struct Q_QML_EXPORT QQmlContextWrapper : Object inline QObject *getScopeObject() const { return d()->scopeObject; } inline QQmlContextData *getContext() const { return *d()->context; } + static ReturnedValue getPropertyAndBase(const QQmlContextWrapper *resource, PropertyKey id, const Value *receiver, + bool *hasProperty, Value *base); static ReturnedValue virtualGet(const Managed *m, PropertyKey id, const Value *receiver, bool *hasProperty); static bool virtualPut(Managed *m, PropertyKey id, const Value &value, Value *receiver); + + static ReturnedValue resolveQmlContextPropertyLookupGetter(Lookup *l, ExecutionEngine *engine, Value *base); }; struct Q_QML_EXPORT QmlContext : public ExecutionContext diff --git a/src/qml/jsruntime/qv4runtime.cpp b/src/qml/jsruntime/qv4runtime.cpp index 53dd3a66dd..7163a51af1 100644 --- a/src/qml/jsruntime/qv4runtime.cpp +++ b/src/qml/jsruntime/qv4runtime.cpp @@ -1301,18 +1301,42 @@ uint Runtime::method_compareIn(ExecutionEngine *engine, const Value &left, const return v->booleanValue(); } +static ReturnedValue throwPropertyIsNotAFunctionTypeError(ExecutionEngine *engine, Value *thisObject, const QString &propertyName) +{ + QString objectAsString = QStringLiteral("[null]"); + if (!thisObject->isUndefined()) + objectAsString = thisObject->toQStringNoThrow(); + QString msg = QStringLiteral("Property '%1' of object %2 is not a function") + .arg(propertyName, objectAsString); + return engine->throwTypeError(msg); +} ReturnedValue Runtime::method_callGlobalLookup(ExecutionEngine *engine, uint index, Value *argv, int argc) { + Scope scope(engine); Lookup *l = engine->currentStackFrame->v4Function->compilationUnit->runtimeLookups + index; Value function = Value::fromReturnedValue(l->globalGetter(l, engine)); + Value thisObject = Value::undefinedValue(); if (!function.isFunctionObject()) - return engine->throwTypeError(); + return throwPropertyIsNotAFunctionTypeError(engine, &thisObject, + engine->currentStackFrame->v4Function->compilationUnit->runtimeStrings[l->nameIndex]->toQString()); - Value thisObject = Value::undefinedValue(); return static_cast<FunctionObject &>(function).call(&thisObject, argv, argc); } +ReturnedValue Runtime::method_callQmlContextPropertyLookup(ExecutionEngine *engine, uint index, Value *argv, int argc) +{ + Scope scope(engine); + ScopedValue thisObject(scope); + Lookup *l = engine->currentStackFrame->v4Function->compilationUnit->runtimeLookups + index; + Value function = Value::fromReturnedValue(l->qmlContextPropertyGetter(l, engine, thisObject)); + if (!function.isFunctionObject()) + return throwPropertyIsNotAFunctionTypeError(engine, thisObject, + engine->currentStackFrame->v4Function->compilationUnit->runtimeStrings[l->nameIndex]->toQString()); + + return static_cast<FunctionObject &>(function).call(thisObject, argv, argc); +} + ReturnedValue Runtime::method_callPossiblyDirectEval(ExecutionEngine *engine, Value *argv, int argc) { Scope scope(engine); @@ -1323,13 +1347,8 @@ ReturnedValue Runtime::method_callPossiblyDirectEval(ExecutionEngine *engine, Va if (engine->hasException) return Encode::undefined(); - if (!function) { - QString objectAsString = QStringLiteral("[null]"); - if (!thisObject->isUndefined()) - objectAsString = thisObject->toQStringNoThrow(); - QString msg = QStringLiteral("Property 'eval' of object %2 is not a function").arg(objectAsString); - return engine->throwTypeError(msg); - } + if (!function) + return throwPropertyIsNotAFunctionTypeError(engine, thisObject, QLatin1String("eval")); if (function->d() == engine->evalFunction()->d()) return static_cast<EvalFunction *>(function.getPointer())->evalCall(thisObject, argv, argc, true); @@ -1348,15 +1367,9 @@ ReturnedValue Runtime::method_callName(ExecutionEngine *engine, int nameIndex, V if (engine->hasException) return Encode::undefined(); - if (!f) { - QString objectAsString = QStringLiteral("[null]"); - if (!thisObject->isUndefined()) - objectAsString = thisObject->toQStringNoThrow(); - QString msg = QStringLiteral("Property '%1' of object %2 is not a function") - .arg(engine->currentStackFrame->v4Function->compilationUnit->runtimeStrings[nameIndex]->toQString(), - objectAsString); - return engine->throwTypeError(msg); - } + if (!f) + return throwPropertyIsNotAFunctionTypeError(engine, thisObject, + engine->currentStackFrame->v4Function->compilationUnit->runtimeStrings[nameIndex]->toQString()); return f->call(thisObject, argv, argc); } diff --git a/src/qml/jsruntime/qv4runtimeapi_p.h b/src/qml/jsruntime/qv4runtimeapi_p.h index 06e8a8a960..aa4ac27621 100644 --- a/src/qml/jsruntime/qv4runtimeapi_p.h +++ b/src/qml/jsruntime/qv4runtimeapi_p.h @@ -93,6 +93,7 @@ struct ExceptionCheck<void (*)(QV4::NoThrowEngine *, A, B, C)> { #define FOR_EACH_RUNTIME_METHOD(F) \ /* call */ \ F(ReturnedValue, callGlobalLookup, (ExecutionEngine *engine, uint index, Value *argv, int argc)) \ + F(ReturnedValue, callQmlContextPropertyLookup, (ExecutionEngine *engine, uint index, Value *argv, int argc)) \ F(ReturnedValue, callName, (ExecutionEngine *engine, int nameIndex, Value *argv, int argc)) \ F(ReturnedValue, callProperty, (ExecutionEngine *engine, Value *base, int nameIndex, Value *argv, int argc)) \ F(ReturnedValue, callPropertyLookup, (ExecutionEngine *engine, Value *base, uint index, Value *argv, int argc)) \ diff --git a/src/qml/jsruntime/qv4vme_moth.cpp b/src/qml/jsruntime/qv4vme_moth.cpp index 000e1ab9d5..2d9337b03e 100644 --- a/src/qml/jsruntime/qv4vme_moth.cpp +++ b/src/qml/jsruntime/qv4vme_moth.cpp @@ -556,6 +556,13 @@ QV4::ReturnedValue VME::interpret(CppStackFrame *frame, ExecutionEngine *engine, CHECK_EXCEPTION; MOTH_END_INSTR(LoadGlobalLookup) + MOTH_BEGIN_INSTR(LoadQmlContextPropertyLookup) + STORE_IP(); + QV4::Lookup *l = function->compilationUnit->runtimeLookups + index; + acc = l->qmlContextPropertyGetter(l, engine, nullptr); + CHECK_EXCEPTION; + MOTH_END_INSTR(LoadQmlContextPropertyLookup) + MOTH_BEGIN_INSTR(StoreNameStrict) STORE_IP(); STORE_ACC(); @@ -781,6 +788,12 @@ QV4::ReturnedValue VME::interpret(CppStackFrame *frame, ExecutionEngine *engine, CHECK_EXCEPTION; MOTH_END_INSTR(CallGlobalLookup) + MOTH_BEGIN_INSTR(CallQmlContextPropertyLookup) + STORE_IP(); + acc = Runtime::method_callQmlContextPropertyLookup(engine, index, stack + argv, argc); + CHECK_EXCEPTION; + MOTH_END_INSTR(CallQmlContextPropertyLookup) + MOTH_BEGIN_INSTR(CallScopeObjectProperty) STORE_IP(); acc = Runtime::method_callQmlScopeObjectProperty(engine, stack + base, name, stack + argv, argc); diff --git a/tests/auto/qml/qqmlecmascript/data/signalHandlers.qml b/tests/auto/qml/qqmlecmascript/data/signalHandlers.qml index 14326bb9e6..a924519f0f 100644 --- a/tests/auto/qml/qqmlecmascript/data/signalHandlers.qml +++ b/tests/auto/qml/qqmlecmascript/data/signalHandlers.qml @@ -8,6 +8,8 @@ QtObject { signal testSignal onTestSignal: count++ + readonly property string scopeObjectAsString: this.toString() + property int funcCount: 0 function testFunction() { funcCount++; diff --git a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp index f33f1d9125..d8784f4855 100644 --- a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp +++ b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp @@ -1609,7 +1609,7 @@ void tst_qqmlecmascript::aliasPropertyReset() // test that a manual write (of undefined) to a non-resettable property fails properly QUrl url = testFileUrl("aliasreset/aliasPropertyReset.error.1.qml"); - QString warning1 = url.toString() + QLatin1String(": Error: Cannot assign [undefined] to int"); + QString warning1 = url.toString() + QLatin1String(":15: Error: Cannot assign [undefined] to int"); QQmlComponent e1(&engine, url); object = e1.create(); QVERIFY(object != nullptr); @@ -6468,7 +6468,8 @@ void tst_qqmlecmascript::signalHandlers() QMetaObject::invokeMethod(o.data(), "testSignalHandlerCall"); QCOMPARE(o->property("count").toInt(), 1); - QCOMPARE(o->property("errorString").toString(), QLatin1String("TypeError: Property 'onTestSignal' of object [object Object] is not a function")); + QString scopeObjectAsString = o->property("scopeObjectAsString").toString(); + QCOMPARE(o->property("errorString").toString(), QString("TypeError: Property 'onTestSignal' of object %1 is not a function").arg(scopeObjectAsString)); QCOMPARE(o->property("funcCount").toInt(), 0); QMetaObject::invokeMethod(o.data(), "testSignalConnection"); @@ -8163,12 +8164,11 @@ void tst_qqmlecmascript::stackLimits() void tst_qqmlecmascript::idsAsLValues() { QQmlEngine engine; - QString err = QString(QLatin1String("%1:5 left-hand side of assignment operator is not an lvalue\n")).arg(testFileUrl("idAsLValue.qml").toString()); + QString err = QString(QLatin1String("%1:5: Error: left-hand side of assignment operator is not an lvalue")).arg(testFileUrl("idAsLValue.qml").toString()); QQmlComponent component(&engine, testFileUrl("idAsLValue.qml")); - QTest::ignoreMessage(QtWarningMsg, "QQmlComponent: Component is not ready"); + QTest::ignoreMessage(QtWarningMsg, qPrintable(err)); MyQmlObject *object = qobject_cast<MyQmlObject*>(component.create()); QVERIFY(!object); - QCOMPARE(component.errorString(), err); } void tst_qqmlecmascript::qtbug_34792() diff --git a/tests/auto/qml/qqmllanguage/data/thisInQmlScope.qml b/tests/auto/qml/qqmllanguage/data/thisInQmlScope.qml index e3c99e70e1..9ff758c33f 100644 --- a/tests/auto/qml/qqmllanguage/data/thisInQmlScope.qml +++ b/tests/auto/qml/qqmllanguage/data/thisInQmlScope.qml @@ -6,5 +6,18 @@ QtObject { y = this.x; } property var f: g + Component.onCompleted: f() + + property int a: 42 + property int b: 0 + function g_subobj(){ + b = this.a; + } + property var f_subobj: g_subobj + + property QtObject subObject: QtObject { + property int a: 100 + Component.onCompleted: f_subobj() + } } diff --git a/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp b/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp index 89856d6603..9a3f488cea 100644 --- a/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp +++ b/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp @@ -5020,6 +5020,8 @@ void tst_qqmllanguage::thisInQmlScope() QVERIFY(!o.isNull()); QCOMPARE(o->property("x"), QVariant(42)); QCOMPARE(o->property("y"), QVariant(42)); + QCOMPARE(o->property("a"), QVariant(42)); + QCOMPARE(o->property("b"), QVariant(42)); } void tst_qqmllanguage::valueTypeGroupPropertiesInBehavior() |