diff options
-rw-r--r-- | src/qml/compiler/qv4compilerscanfunctions.cpp | 25 | ||||
-rw-r--r-- | src/qml/compiler/qv4compilerscanfunctions_p.h | 17 | ||||
-rw-r--r-- | tests/auto/qml/debugger/qv4debugger/tst_qv4debugger.cpp | 12 | ||||
-rw-r--r-- | tests/auto/qml/ecmascripttests/TestExpectations | 1 | ||||
-rw-r--r-- | tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp | 76 |
5 files changed, 113 insertions, 18 deletions
diff --git a/src/qml/compiler/qv4compilerscanfunctions.cpp b/src/qml/compiler/qv4compilerscanfunctions.cpp index 9dec968a91..ee259b968b 100644 --- a/src/qml/compiler/qv4compilerscanfunctions.cpp +++ b/src/qml/compiler/qv4compilerscanfunctions.cpp @@ -382,8 +382,11 @@ bool ScanFunctions::visit(ExpressionStatement *ast) if (!_allowFuncDecls) _cg->throwSyntaxError(expr->functionToken, QStringLiteral("conditional function or closure declaration")); - if (!enterFunction(expr, /*enterName*/ true)) + if (!enterFunction(expr, expr->identifierToken.length > 0 + ? FunctionNameContext::Inner + : FunctionNameContext::None)) { return false; + } Node::accept(expr->formals, this); Node::accept(expr->body, this); leaveEnvironment(); @@ -399,7 +402,9 @@ bool ScanFunctions::visit(ExpressionStatement *ast) bool ScanFunctions::visit(FunctionExpression *ast) { - return enterFunction(ast, /*enterName*/ false); + return enterFunction(ast, ast->identifierToken.length > 0 + ? FunctionNameContext::Inner + : FunctionNameContext::None); } bool ScanFunctions::visit(ClassExpression *ast) @@ -496,12 +501,12 @@ bool ScanFunctions::visit(ArrayPattern *ast) return false; } -bool ScanFunctions::enterFunction(FunctionExpression *ast, bool enterName) +bool ScanFunctions::enterFunction(FunctionExpression *ast, FunctionNameContext nameContext) { Q_ASSERT(_context); if (_context->isStrict && (ast->name == QLatin1String("eval") || ast->name == QLatin1String("arguments"))) _cg->throwSyntaxError(ast->identifierToken, QStringLiteral("Function name may not be eval or arguments in strict mode")); - return enterFunction(ast, ast->name.toString(), ast->formals, ast->body, enterName); + return enterFunction(ast, ast->name.toString(), ast->formals, ast->body, nameContext); } void ScanFunctions::endVisit(FunctionExpression *) @@ -536,7 +541,7 @@ void ScanFunctions::endVisit(PatternProperty *) bool ScanFunctions::visit(FunctionDeclaration *ast) { - return enterFunction(ast, /*enterName*/ true); + return enterFunction(ast, FunctionNameContext::Outer); } void ScanFunctions::endVisit(FunctionDeclaration *) @@ -674,7 +679,9 @@ void ScanFunctions::endVisit(WithStatement *) leaveEnvironment(); } -bool ScanFunctions::enterFunction(Node *ast, const QString &name, FormalParameterList *formals, StatementList *body, bool enterName) +bool ScanFunctions::enterFunction( + Node *ast, const QString &name, FormalParameterList *formals, StatementList *body, + FunctionNameContext nameContext) { Context *outerContext = _context; enterEnvironment(ast, ContextType::Function, name); @@ -685,7 +692,7 @@ bool ScanFunctions::enterFunction(Node *ast, const QString &name, FormalParamete if (outerContext) { outerContext->hasNestedFunctions = true; // The identifier of a function expression cannot be referenced from the enclosing environment. - if (enterName) { + if (nameContext == FunctionNameContext::Outer) { if (!outerContext->addLocalVar(name, Context::FunctionDefinition, VariableScope::Var, expr)) { _cg->throwSyntaxError(ast->firstSourceLocation(), QStringLiteral("Identifier %1 has already been declared").arg(name)); return false; @@ -711,8 +718,10 @@ bool ScanFunctions::enterFunction(Node *ast, const QString &name, FormalParamete } - if (!enterName && (!name.isEmpty() && (!formals || !formals->containsName(name)))) + if (nameContext == FunctionNameContext::Inner + && (!name.isEmpty() && (!formals || !formals->containsName(name)))) { _context->addLocalVar(name, Context::ThisFunctionName, VariableScope::Var); + } _context->formals = formals; if (body && !_context->isStrict) diff --git a/src/qml/compiler/qv4compilerscanfunctions_p.h b/src/qml/compiler/qv4compilerscanfunctions_p.h index 0336398cac..073ee5c2a4 100644 --- a/src/qml/compiler/qv4compilerscanfunctions_p.h +++ b/src/qml/compiler/qv4compilerscanfunctions_p.h @@ -89,9 +89,19 @@ public: void leaveEnvironment(); void enterQmlFunction(QQmlJS::AST::FunctionExpression *ast) - { enterFunction(ast, false); } + { enterFunction(ast, FunctionNameContext::None); } protected: + // Function declarations add their name to the outer scope, but not the + // inner scope. Function expressions add their name to the inner scope, + // unless the name is actually picked from the outer scope rather than + // given after the function token. QML functions don't add their name + // anywhere because the name is already recorded in the QML element. + // This enum is used to control the behavior of enterFunction(). + enum class FunctionNameContext { + None, Inner, Outer + }; + using Visitor::visit; using Visitor::endVisit; @@ -118,7 +128,8 @@ protected: bool visit(QQmlJS::AST::FieldMemberExpression *) override; bool visit(QQmlJS::AST::ArrayPattern *) override; - bool enterFunction(QQmlJS::AST::FunctionExpression *ast, bool enterName); + bool enterFunction(QQmlJS::AST::FunctionExpression *ast, + FunctionNameContext nameContext); void endVisit(QQmlJS::AST::FunctionExpression *) override; @@ -161,7 +172,7 @@ protected: protected: bool enterFunction(QQmlJS::AST::Node *ast, const QString &name, QQmlJS::AST::FormalParameterList *formals, - QQmlJS::AST::StatementList *body, bool enterName); + QQmlJS::AST::StatementList *body, FunctionNameContext nameContext); void calcEscapingVariables(); // fields: diff --git a/tests/auto/qml/debugger/qv4debugger/tst_qv4debugger.cpp b/tests/auto/qml/debugger/qv4debugger/tst_qv4debugger.cpp index 610665146b..dd4c28f1d2 100644 --- a/tests/auto/qml/debugger/qv4debugger/tst_qv4debugger.cpp +++ b/tests/auto/qml/debugger/qv4debugger/tst_qv4debugger.cpp @@ -489,7 +489,7 @@ void tst_qv4debugger::conditionalBreakPoint() QVERIFY(m_debuggerAgent->m_capturedScope.size() > 1); const TestAgent::NamedRefs &frame0 = m_debuggerAgent->m_capturedScope.at(0); - QCOMPARE(frame0.size(), 3); + QCOMPARE(frame0.size(), 2); QVERIFY(frame0.contains("i")); QCOMPARE(frame0.value("i").toInt(), 11); } @@ -545,7 +545,7 @@ void tst_qv4debugger::readArguments() QVERIFY(m_debuggerAgent->m_wasPaused); QVERIFY(m_debuggerAgent->m_capturedScope.size() > 1); const TestAgent::NamedRefs &frame0 = m_debuggerAgent->m_capturedScope.at(0); - QCOMPARE(frame0.size(), 5); + QCOMPARE(frame0.size(), 4); QVERIFY(frame0.contains(QStringLiteral("a"))); QCOMPARE(frame0.type(QStringLiteral("a")), QStringLiteral("number")); QCOMPARE(frame0.value(QStringLiteral("a")).toDouble(), 1.0); @@ -568,7 +568,7 @@ void tst_qv4debugger::readComplicatedArguments() QVERIFY(m_debuggerAgent->m_wasPaused); QVERIFY(m_debuggerAgent->m_capturedScope.size() > 1); const TestAgent::NamedRefs &frame0 = m_debuggerAgent->m_capturedScope.at(0); - QCOMPARE(frame0.size(), 2); + QCOMPARE(frame0.size(), 1); QVERIFY(frame0.contains(QStringLiteral("a"))); QCOMPARE(frame0.type(QStringLiteral("a")), QStringLiteral("number")); QCOMPARE(frame0.value(QStringLiteral("a")).toInt(), 12); @@ -591,7 +591,7 @@ void tst_qv4debugger::readLocals() QVERIFY(m_debuggerAgent->m_wasPaused); QVERIFY(m_debuggerAgent->m_capturedScope.size() > 1); const TestAgent::NamedRefs &frame0 = m_debuggerAgent->m_capturedScope.at(0); - QCOMPARE(frame0.size(), 7); // locals and parameters + QCOMPARE(frame0.size(), 6); // locals and parameters QVERIFY(frame0.contains("c")); QCOMPARE(frame0.type("c"), QStringLiteral("number")); QCOMPARE(frame0.value("c").toDouble(), 3.0); @@ -619,7 +619,7 @@ void tst_qv4debugger::readObject() QVERIFY(m_debuggerAgent->m_wasPaused); QVERIFY(m_debuggerAgent->m_capturedScope.size() > 1); const TestAgent::NamedRefs &frame0 = m_debuggerAgent->m_capturedScope.at(0); - QCOMPARE(frame0.size(), 3); + QCOMPARE(frame0.size(), 2); QVERIFY(frame0.contains("b")); QCOMPARE(frame0.type("b"), QStringLiteral("object")); QJsonObject b = frame0.rawValue("b"); @@ -680,7 +680,7 @@ void tst_qv4debugger::readContextInAllFrames() for (int i = 0; i < 12; ++i) { const TestAgent::NamedRefs &scope = m_debuggerAgent->m_capturedScope.at(i); - QCOMPARE(scope.size(), 3); + QCOMPARE(scope.size(), 2); QVERIFY(scope.contains("n")); QCOMPARE(scope.type("n"), QStringLiteral("number")); QCOMPARE(scope.value("n").toDouble(), i + 1.0); diff --git a/tests/auto/qml/ecmascripttests/TestExpectations b/tests/auto/qml/ecmascripttests/TestExpectations index 6b743ba433..82d80f7f03 100644 --- a/tests/auto/qml/ecmascripttests/TestExpectations +++ b/tests/auto/qml/ecmascripttests/TestExpectations @@ -600,7 +600,6 @@ language/statements/class/definition/methods-gen-yield-as-literal-property-name. language/statements/class/definition/methods-gen-yield-as-property-name.js fails language/statements/class/definition/methods-named-eval-arguments.js fails language/statements/class/definition/prototype-property.js fails -language/statements/class/definition/setters-prop-desc.js fails language/statements/class/definition/setters-restricted-ids.js fails language/statements/class/definition/this-access-restriction-2.js fails language/statements/class/definition/this-access-restriction.js fails diff --git a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp index f42086ea9f..83d7a5ee03 100644 --- a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp +++ b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp @@ -424,6 +424,8 @@ private slots: void optionalChainNull(); void asCast(); + void functionNameInFunctionScope(); + private: // static void propertyVarWeakRefCallback(v8::Persistent<v8::Value> object, void* parameter); static void verifyContextLifetime(const QQmlRefPointer<QQmlContextData> &ctxt); @@ -9874,6 +9876,80 @@ void tst_qqmlecmascript::asCast() QCOMPARE(qvariant_cast<QObject *>(root->property("rectangleAsRectangle")), rectangle); } +void tst_qqmlecmascript::functionNameInFunctionScope() +{ + QJSEngine engine; + QJSValue result = engine.evaluate(R"( + var a = {}; + var foo = function foo() { + return foo; + } + a.foo = foo(); + + function bar() { + bar = 2; + } + bar() + a.bar = bar; + + var baz = function baz() { + baz = 3; + } + baz() + a.baz = baz; + + var foo2 = function() { + return foo2; + } + a.foo2 = foo2(); + + var baz2 = function() { + baz2 = 3; + } + baz2() + a.baz2 = baz2; + a + + )"); + + QVERIFY(!result.isError()); + const QJSManagedValue m(result, &engine); + + QVERIFY(m.property("foo").isCallable()); + QCOMPARE(m.property("bar").toInt(), 2); + QVERIFY(m.property("baz").isCallable()); + QVERIFY(m.property("foo2").isCallable()); + QCOMPARE(m.property("baz2").toInt(), 3); + + const QJSValue getterInClass = engine.evaluate(R"( + class Tester { + constructor () { + this.a = 1; + this.b = 1; + } + + get sum() { + const sum = this.a + this.b; + return sum; + } + } + )"); + + QVERIFY(!getterInClass.isError()); + + const QJSValue innerName = engine.evaluate(R"( + const a = 2; + var b = function a() { return a }; + ({a: a, b: b, c: b()}) + )"); + + QVERIFY(!innerName.isError()); + const QJSManagedValue m2(innerName, &engine); + QCOMPARE(m2.property("a").toInt(), 2); + QVERIFY(m2.property("b").isCallable()); + QVERIFY(m2.property("c").isCallable()); +} + QTEST_MAIN(tst_qqmlecmascript) #include "tst_qqmlecmascript.moc" |