diff options
Diffstat (limited to 'src/qml/jsruntime/qv4function.cpp')
-rw-r--r-- | src/qml/jsruntime/qv4function.cpp | 67 |
1 files changed, 62 insertions, 5 deletions
diff --git a/src/qml/jsruntime/qv4function.cpp b/src/qml/jsruntime/qv4function.cpp index 51a9b92967..1bd4329fe8 100644 --- a/src/qml/jsruntime/qv4function.cpp +++ b/src/qml/jsruntime/qv4function.cpp @@ -46,6 +46,7 @@ #include "qv4lookup_p.h" #include <private/qv4mm_p.h> #include <private/qv4identifiertable_p.h> +#include <private/qv4functiontable_p.h> #include <assembler/MacroAssemblerCodeRef.h> #include <private/qv4vme_moth_p.h> #include <private/qqmlglobal_p.h> @@ -72,12 +73,29 @@ ReturnedValue Function::call(const Value *thisObject, const Value *argv, int arg return result; } +Function *Function::create(ExecutionEngine *engine, CompiledData::CompilationUnit *unit, const CompiledData::Function *function) +{ + quint16 traceSlotCount = 0; +#if QT_CONFIG(qml_tracing) + traceSlotCount = function->nTraceInfos == CompiledData::Function::NoTracing() + ? 1 + : function->nTraceInfos; +#endif + quint8 *storage = new quint8[sizeof(Function) + traceSlotCount]; + return new(storage) Function(engine, unit, function); +} + +void Function::destroy() +{ + delete[] reinterpret_cast<quint8 *>(this); +} + Function::Function(ExecutionEngine *engine, CompiledData::CompilationUnit *unit, const CompiledData::Function *function) - : compiledFunction(function) - , compilationUnit(unit) + : FunctionData(unit) + , compiledFunction(function) , codeData(function->code()) - , jittedCode(nullptr) - , codeRef(nullptr) + , jittedCode(nullptr) + , codeRef(nullptr) { Scope scope(engine); Scoped<InternalClass> ic(scope, engine->internalClasses(EngineBase::Class_CallContext)); @@ -93,11 +111,21 @@ Function::Function(ExecutionEngine *engine, CompiledData::CompilationUnit *unit, internalClass = ic->d(); nFormals = compiledFunction->nFormals; + +#if QT_CONFIG(qml_tracing) + if (tracingEnabled()) { + for (uint i = 0; i < function->nTraceInfos; ++i) + *traceInfo(i) = 0; + } +#endif } Function::~Function() { - delete codeRef; + if (codeRef) { + destroyFunctionTable(this, codeRef); + delete codeRef; + } } void Function::updateInternalClass(ExecutionEngine *engine, const QList<QByteArray> ¶meters) @@ -144,9 +172,38 @@ void Function::updateInternalClass(ExecutionEngine *engine, const QList<QByteArr nFormals = parameters.size(); } +QString Function::prettyName(const Function *function, const void *code) +{ + QString prettyName = function ? function->name()->toQString() : QString(); + if (prettyName.isEmpty()) { + prettyName = QString::number(reinterpret_cast<quintptr>(code), 16); + prettyName.prepend(QLatin1String("QV4::Function(0x")); + prettyName.append(QLatin1Char(')')); + } + return prettyName; +} + QQmlSourceLocation Function::sourceLocation() const { return QQmlSourceLocation(sourceFile(), compiledFunction->location.line, compiledFunction->location.column); } +QString Function::traceInfoToString() +{ + QString info = QLatin1String("=== Trace information for ") + name()->toQString() + QLatin1Char(':'); + if (!tracingEnabled()) + return info + QStringLiteral(" disabled. Interpreter call count: %1\n").arg(interpreterCallCount); + if (compiledFunction->nTraceInfos == 0) + return info + QLatin1String(" none.\n"); + + info += QLatin1Char('\n'); + for (uint i = 0, ei = compiledFunction->nTraceInfos; i < ei; ++i) { + auto bits = QString::number(*traceInfo(i), 2); + if (bits.size() < 8) + bits.prepend(QString(8 - bits.size(), '0')); + info += QStringLiteral(" %1: %2\n").arg(QString::number(i), bits); + } + return info; +} + QT_END_NAMESPACE |