From d76566417e592cfac9c710f82575473b1b4a9285 Mon Sep 17 00:00:00 2001 From: Jorge Gorbe Moya Date: Tue, 11 Oct 2022 00:44:06 -0700 Subject: [lldb] Add matching based on Python callbacks for data formatters. This patch adds a new matching method for data formatters, in addition to the existing exact typename and regex-based matching. The new method allows users to specify the name of a Python callback function that takes a `SBType` object and decides whether the type is a match or not. Here is an overview of the changes performed: - Add a new `eFormatterMatchCallback` matching type, and logic to handle it in `TypeMatcher` and `SBTypeNameSpecifier`. - Extend `FormattersMatchCandidate` instances with a pointer to the current `ScriptInterpreter` and the `TypeImpl` corresponding to the candidate type, so we can run registered callbacks and pass the type to them. All matcher search functions now receive a `FormattersMatchCandidate` instead of a type name. - Add some glue code to ScriptInterpreterPython and the SWIG bindings to allow calling a formatter matching callback. Most of this code is modeled after the equivalent code for watchpoint callback functions. - Add an API test for the new callback-based matching feature. For more context, please check the RFC thread where this feature was originally discussed: https://discourse.llvm.org/t/rfc-python-callback-for-data-formatters-type-matching/64204/11 Differential Revision: https://reviews.llvm.org/D135648 --- lldb/source/Plugins/ScriptInterpreter/Python/SWIGPythonBridge.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'lldb/source/Plugins/ScriptInterpreter/Python/SWIGPythonBridge.h') diff --git a/lldb/source/Plugins/ScriptInterpreter/Python/SWIGPythonBridge.h b/lldb/source/Plugins/ScriptInterpreter/Python/SWIGPythonBridge.h index 4df2353..7e18b0e 100644 --- a/lldb/source/Plugins/ScriptInterpreter/Python/SWIGPythonBridge.h +++ b/lldb/source/Plugins/ScriptInterpreter/Python/SWIGPythonBridge.h @@ -75,6 +75,10 @@ bool LLDBSwigPythonWatchpointCallbackFunction( const char *python_function_name, const char *session_dictionary_name, const lldb::StackFrameSP &sb_frame, const lldb::WatchpointSP &sb_wp); +bool LLDBSwigPythonFormatterCallbackFunction( + const char *python_function_name, const char *session_dictionary_name, + lldb::TypeImplSP type_impl_sp); + bool LLDBSwigPythonCallTypeScript(const char *python_function_name, const void *session_dictionary, const lldb::ValueObjectSP &valobj_sp, -- cgit v1.1