diff options
Diffstat (limited to 'lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/ScriptedPythonInterface.h')
| -rw-r--r-- | lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/ScriptedPythonInterface.h | 121 |
1 files changed, 5 insertions, 116 deletions
diff --git a/lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/ScriptedPythonInterface.h b/lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/ScriptedPythonInterface.h index c460f58b4e72..af88a69e34a1 100644 --- a/lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/ScriptedPythonInterface.h +++ b/lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/ScriptedPythonInterface.h @@ -330,112 +330,6 @@ public: return m_object_instance_sp; } - /// Call a static method on a Python class without creating an instance. - /// - /// This method resolves a Python class by name and calls a static method - /// on it, returning the result. This is useful for calling class-level - /// methods that don't require an instance. - /// - /// \param class_name The fully-qualified name of the Python class. - /// \param method_name The name of the static method to call. - /// \param error Output parameter to receive error information if the call - /// fails. - /// \param args Arguments to pass to the static method. - /// - /// \return The return value of the static method call, or an error value. - template <typename T = StructuredData::ObjectSP, typename... Args> - T CallStaticMethod(llvm::StringRef class_name, llvm::StringRef method_name, - Status &error, Args &&...args) { - using namespace python; - using Locker = ScriptInterpreterPythonImpl::Locker; - - std::string caller_signature = - llvm::Twine(LLVM_PRETTY_FUNCTION + llvm::Twine(" (") + - llvm::Twine(class_name) + llvm::Twine(".") + - llvm::Twine(method_name) + llvm::Twine(")")) - .str(); - - if (class_name.empty()) - return ErrorWithMessage<T>(caller_signature, "missing script class name", - error); - - Locker py_lock(&m_interpreter, Locker::AcquireLock | Locker::NoSTDIN, - Locker::FreeLock); - - // Get the interpreter dictionary. - auto dict = - PythonModule::MainModule().ResolveName<python::PythonDictionary>( - m_interpreter.GetDictionaryName()); - if (!dict.IsAllocated()) - return ErrorWithMessage<T>( - caller_signature, - llvm::formatv("could not find interpreter dictionary: {0}", - m_interpreter.GetDictionaryName()) - .str(), - error); - - // Resolve the class. - auto class_obj = - PythonObject::ResolveNameWithDictionary<python::PythonCallable>( - class_name, dict); - if (!class_obj.IsAllocated()) - return ErrorWithMessage<T>( - caller_signature, - llvm::formatv("could not find script class: {0}", class_name).str(), - error); - - // Get the static method from the class. - if (!class_obj.HasAttribute(method_name)) - return ErrorWithMessage<T>( - caller_signature, - llvm::formatv("class {0} does not have method {1}", class_name, - method_name) - .str(), - error); - - PythonCallable method = - class_obj.GetAttributeValue(method_name).AsType<PythonCallable>(); - if (!method.IsAllocated()) - return ErrorWithMessage<T>(caller_signature, - llvm::formatv("method {0}.{1} is not callable", - class_name, method_name) - .str(), - error); - - // Transform the arguments. - std::tuple<Args...> original_args = std::forward_as_tuple(args...); - auto transformed_args = TransformArgs(original_args); - - // Call the static method. - llvm::Expected<PythonObject> expected_return_object = - llvm::make_error<llvm::StringError>("Not initialized.", - llvm::inconvertibleErrorCode()); - std::apply( - [&method, &expected_return_object](auto &&...args) { - llvm::consumeError(expected_return_object.takeError()); - expected_return_object = method(args...); - }, - transformed_args); - - if (llvm::Error e = expected_return_object.takeError()) { - error = Status::FromError(std::move(e)); - return ErrorWithMessage<T>( - caller_signature, "python static method could not be called", error); - } - - PythonObject py_return = std::move(expected_return_object.get()); - - // Re-assign reference and pointer arguments if needed. - if (sizeof...(Args) > 0) - if (!ReassignPtrsOrRefsArgs(original_args, transformed_args)) - return ErrorWithMessage<T>( - caller_signature, - "couldn't re-assign reference and pointer arguments", error); - - // Extract value from Python object (handles unallocated case). - return ExtractValueFromPythonObject<T>(py_return, error); - } - protected: template <typename T = StructuredData::ObjectSP> T ExtractValueFromPythonObject(python::PythonObject &p, Status &error) { @@ -452,7 +346,7 @@ protected: llvm::Twine(method_name) + llvm::Twine(")")) .str(); if (!m_object_instance_sp) - return ErrorWithMessage<T>(caller_signature, "python object ill-formed", + return ErrorWithMessage<T>(caller_signature, "Python object ill-formed", error); Locker py_lock(&m_interpreter, Locker::AcquireLock | Locker::NoSTDIN, @@ -464,7 +358,7 @@ protected: if (!implementor.IsAllocated()) return llvm::is_contained(GetAbstractMethods(), method_name) ? ErrorWithMessage<T>(caller_signature, - "python implementor not allocated", + "Python implementor not allocated.", error) : T{}; @@ -485,20 +379,20 @@ protected: if (llvm::Error e = expected_return_object.takeError()) { error = Status::FromError(std::move(e)); return ErrorWithMessage<T>(caller_signature, - "python method could not be called", error); + "Python method could not be called.", error); } PythonObject py_return = std::move(expected_return_object.get()); // Now that we called the python method with the transformed arguments, - // we need to iterate again over both the original and transformed + // we need to interate again over both the original and transformed // parameter pack, and transform back the parameter that were passed in // the original parameter pack as references or pointers. if (sizeof...(Args) > 0) if (!ReassignPtrsOrRefsArgs(original_args, transformed_args)) return ErrorWithMessage<T>( caller_signature, - "couldn't re-assign reference and pointer arguments", error); + "Couldn't re-assign reference and pointer arguments.", error); if (!py_return.IsAllocated()) return {}; @@ -705,11 +599,6 @@ ScriptedPythonInterface::ExtractValueFromPythonObject<lldb::StreamSP>( python::PythonObject &p, Status &error); template <> -lldb::ThreadSP -ScriptedPythonInterface::ExtractValueFromPythonObject<lldb::ThreadSP>( - python::PythonObject &p, Status &error); - -template <> lldb::StackFrameSP ScriptedPythonInterface::ExtractValueFromPythonObject<lldb::StackFrameSP>( python::PythonObject &p, Status &error); |