From 8fddd9818599663cee75b834c19df9bfd41a64f2 Mon Sep 17 00:00:00 2001
From: Kuba Mracek <mracek@apple.com>
Date: Wed, 31 Oct 2018 00:36:20 +0000
Subject: [lldb] Introduce StackFrameRecognizer [take 2]

This patch introduces a concept of "frame recognizer" and "recognized frame". This should be an extensible mechanism that retrieves information about special frames based on ABI, arguments or other special properties of that frame, even without source code. A few examples where that could be useful could be 1) objc_exception_throw, where we'd like to get the current exception, 2) terminate_with_reason and extracting the current terminate string, 3) recognizing Objective-C frames and automatically extracting the receiver+selector, or perhaps all arguments (based on selector).

Differential Revision: https://reviews.llvm.org/D44603

llvm-svn: 345686
---
 lldb/source/API/SystemInitializerFull.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'lldb/source/API/SystemInitializerFull.cpp')

diff --git a/lldb/source/API/SystemInitializerFull.cpp b/lldb/source/API/SystemInitializerFull.cpp
index fab9171c4788..2e649d5baeaf 100644
--- a/lldb/source/API/SystemInitializerFull.cpp
+++ b/lldb/source/API/SystemInitializerFull.cpp
@@ -235,6 +235,13 @@ LLDBSWIGPythonCreateOSPlugin(const char *python_class_name,
                              const char *session_dictionary_name,
                              const lldb::ProcessSP &process_sp);
 
+extern "C" void *LLDBSWIGPython_CreateFrameRecognizer(
+    const char *python_class_name,
+    const char *session_dictionary_name);
+
+extern "C" void *LLDBSwigPython_GetRecognizedArguments(void *implementor,
+    const lldb::StackFrameSP& frame_sp);
+
 extern "C" bool LLDBSWIGPythonRunScriptKeywordProcess(
     const char *python_function_name, const char *session_dictionary_name,
     lldb::ProcessSP &process, std::string &output);
@@ -423,7 +430,9 @@ void SystemInitializerFull::InitializeSWIG() {
       LLDBSwigPython_MightHaveChildrenSynthProviderInstance,
       LLDBSwigPython_GetValueSynthProviderInstance, LLDBSwigPythonCallCommand,
       LLDBSwigPythonCallCommandObject, LLDBSwigPythonCallModuleInit,
-      LLDBSWIGPythonCreateOSPlugin, LLDBSWIGPythonRunScriptKeywordProcess,
+      LLDBSWIGPythonCreateOSPlugin, LLDBSWIGPython_CreateFrameRecognizer,
+      LLDBSwigPython_GetRecognizedArguments,
+      LLDBSWIGPythonRunScriptKeywordProcess,
       LLDBSWIGPythonRunScriptKeywordThread,
       LLDBSWIGPythonRunScriptKeywordTarget, LLDBSWIGPythonRunScriptKeywordFrame,
       LLDBSWIGPythonRunScriptKeywordValue, LLDBSWIGPython_GetDynamicSetting,
-- 
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