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authorDimitry Andric <dim@FreeBSD.org>2019-01-19 10:06:29 +0000
committerDimitry Andric <dim@FreeBSD.org>2019-01-19 10:06:29 +0000
commit94994d372d014ce4c8758b9605d63fae651bd8aa (patch)
tree51c0b708bd59f205d6b35cb2a8c24d62f0c33d77 /source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
parent39be7ce23363d12ae3e49aeb1fdb2bfeb892e836 (diff)
downloadsrc-94994d372d014ce4c8758b9605d63fae651bd8aa.tar.gz
src-94994d372d014ce4c8758b9605d63fae651bd8aa.zip
Vendor import of lldb trunk r351319 (just before the release_80 branchvendor/lldb/lldb-trunk-r351319
Notes
Notes: svn path=/vendor/lldb/dist/; revision=343181 svn path=/vendor/lldb/lldb-trunk-r351319/; revision=343182; tag=vendor/lldb/lldb-trunk-r351319
Diffstat (limited to 'source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp')
-rw-r--r--source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp177
1 files changed, 168 insertions, 9 deletions
diff --git a/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp b/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
index b8eb36a2baf6..41cb443d4f1e 100644
--- a/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
+++ b/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
@@ -27,6 +27,7 @@
#include <string>
#include "lldb/API/SBValue.h"
+#include "lldb/API/SBFrame.h"
#include "lldb/Breakpoint/BreakpointLocation.h"
#include "lldb/Breakpoint/StoppointCallbackContext.h"
#include "lldb/Breakpoint/WatchpointOptions.h"
@@ -91,6 +92,10 @@ static ScriptInterpreterPython::SWIGPythonCallModuleInit
g_swig_call_module_init = nullptr;
static ScriptInterpreterPython::SWIGPythonCreateOSPlugin
g_swig_create_os_plugin = nullptr;
+static ScriptInterpreterPython::SWIGPythonCreateFrameRecognizer
+ g_swig_create_frame_recognizer = nullptr;
+static ScriptInterpreterPython::SWIGPythonGetRecognizedArguments
+ g_swig_get_recognized_arguments = nullptr;
static ScriptInterpreterPython::SWIGPythonScriptKeyword_Process
g_swig_run_script_keyword_process = nullptr;
static ScriptInterpreterPython::SWIGPythonScriptKeyword_Thread
@@ -107,6 +112,10 @@ static ScriptInterpreterPython::SWIGPythonCreateScriptedThreadPlan
g_swig_thread_plan_script = nullptr;
static ScriptInterpreterPython::SWIGPythonCallThreadPlan
g_swig_call_thread_plan = nullptr;
+static ScriptInterpreterPython::SWIGPythonCreateScriptedBreakpointResolver
+ g_swig_bkpt_resolver_script = nullptr;
+static ScriptInterpreterPython::SWIGPythonCallBreakpointResolver
+ g_swig_call_bkpt_resolver = nullptr;
static bool g_initialized = false;
@@ -128,6 +137,9 @@ public:
InitializePythonHome();
+ // Register _lldb as a built-in module.
+ PyImport_AppendInittab("_lldb", g_swig_init_callback);
+
// Python < 3.2 and Python >= 3.2 reversed the ordering requirements for
// calling `Py_Initialize` and `PyEval_InitThreads`. < 3.2 requires that you
// call `PyEval_InitThreads` first, and >= 3.2 requires that you call it last.
@@ -196,7 +208,7 @@ ScriptInterpreterPython::Locker::Locker(ScriptInterpreterPython *py_interpreter,
m_python_interpreter(py_interpreter) {
DoAcquireLock();
if ((on_entry & InitSession) == InitSession) {
- if (DoInitSession(on_entry, in, out, err) == false) {
+ if (!DoInitSession(on_entry, in, out, err)) {
// Don't teardown the session if we didn't init it.
m_teardown_session = false;
}
@@ -817,11 +829,15 @@ bool ScriptInterpreterPython::ExecuteOneLine(
error_file_sp);
} else {
input_file_sp.reset(new StreamFile());
- input_file_sp->GetFile().Open(FileSystem::DEV_NULL,
- File::eOpenOptionRead);
+ FileSystem::Instance().Open(input_file_sp->GetFile(),
+ FileSpec(FileSystem::DEV_NULL),
+ File::eOpenOptionRead);
+
output_file_sp.reset(new StreamFile());
- output_file_sp->GetFile().Open(FileSystem::DEV_NULL,
- File::eOpenOptionWrite);
+ FileSystem::Instance().Open(output_file_sp->GetFile(),
+ FileSpec(FileSystem::DEV_NULL),
+ File::eOpenOptionWrite);
+
error_file_sp = output_file_sp;
}
@@ -1491,6 +1507,62 @@ bool ScriptInterpreterPython::GenerateTypeSynthClass(StringList &user_input,
return true;
}
+StructuredData::GenericSP ScriptInterpreterPython::CreateFrameRecognizer(
+ const char *class_name) {
+ if (class_name == nullptr || class_name[0] == '\0')
+ return StructuredData::GenericSP();
+
+ void *ret_val;
+
+ {
+ Locker py_lock(this, Locker::AcquireLock | Locker::NoSTDIN,
+ Locker::FreeLock);
+ ret_val =
+ g_swig_create_frame_recognizer(class_name, m_dictionary_name.c_str());
+ }
+
+ return StructuredData::GenericSP(new StructuredPythonObject(ret_val));
+}
+
+lldb::ValueObjectListSP ScriptInterpreterPython::GetRecognizedArguments(
+ const StructuredData::ObjectSP &os_plugin_object_sp,
+ lldb::StackFrameSP frame_sp) {
+ Locker py_lock(this, Locker::AcquireLock | Locker::NoSTDIN, Locker::FreeLock);
+
+ if (!os_plugin_object_sp) return ValueObjectListSP();
+
+ StructuredData::Generic *generic = os_plugin_object_sp->GetAsGeneric();
+ if (!generic) return nullptr;
+
+ PythonObject implementor(PyRefType::Borrowed,
+ (PyObject *)generic->GetValue());
+
+ if (!implementor.IsAllocated()) return ValueObjectListSP();
+
+ PythonObject py_return(
+ PyRefType::Owned,
+ (PyObject *)g_swig_get_recognized_arguments(implementor.get(), frame_sp));
+
+ // if it fails, print the error but otherwise go on
+ if (PyErr_Occurred()) {
+ PyErr_Print();
+ PyErr_Clear();
+ }
+ if (py_return.get()) {
+ PythonList result_list(PyRefType::Borrowed, py_return.get());
+ ValueObjectListSP result = ValueObjectListSP(new ValueObjectList());
+ for (size_t i = 0; i < result_list.GetSize(); i++) {
+ PyObject *item = result_list.GetItemAtIndex(i).get();
+ lldb::SBValue *sb_value_ptr =
+ (lldb::SBValue *)g_swig_cast_to_sbvalue(item);
+ auto valobj_sp = g_swig_get_valobj_sp_from_sbvalue(sb_value_ptr);
+ if (valobj_sp) result->Append(valobj_sp);
+ }
+ return result;
+ }
+ return ValueObjectListSP();
+}
+
StructuredData::GenericSP ScriptInterpreterPython::OSPlugin_CreatePluginObject(
const char *class_name, lldb::ProcessSP process_sp) {
if (class_name == nullptr || class_name[0] == '\0')
@@ -1868,10 +1940,88 @@ lldb::StateType ScriptInterpreterPython::ScriptedThreadPlanGetRunState(
return lldb::eStateRunning;
}
+StructuredData::GenericSP
+ScriptInterpreterPython::CreateScriptedBreakpointResolver(
+ const char *class_name,
+ StructuredDataImpl *args_data,
+ lldb::BreakpointSP &bkpt_sp) {
+
+ if (class_name == nullptr || class_name[0] == '\0')
+ return StructuredData::GenericSP();
+
+ if (!bkpt_sp.get())
+ return StructuredData::GenericSP();
+
+ Debugger &debugger = bkpt_sp->GetTarget().GetDebugger();
+ ScriptInterpreter *script_interpreter =
+ debugger.GetCommandInterpreter().GetScriptInterpreter();
+ ScriptInterpreterPython *python_interpreter =
+ static_cast<ScriptInterpreterPython *>(script_interpreter);
+
+ if (!script_interpreter)
+ return StructuredData::GenericSP();
+
+ void *ret_val;
+
+ {
+ Locker py_lock(this,
+ Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN);
+
+ ret_val = g_swig_bkpt_resolver_script(
+ class_name, python_interpreter->m_dictionary_name.c_str(),
+ args_data, bkpt_sp);
+ }
+
+ return StructuredData::GenericSP(new StructuredPythonObject(ret_val));
+}
+
+bool
+ScriptInterpreterPython::ScriptedBreakpointResolverSearchCallback(
+ StructuredData::GenericSP implementor_sp,
+ SymbolContext *sym_ctx) {
+ bool should_continue = false;
+
+ if (implementor_sp) {
+ Locker py_lock(this,
+ Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN);
+ should_continue
+ = g_swig_call_bkpt_resolver(implementor_sp->GetValue(), "__callback__",
+ sym_ctx);
+ if (PyErr_Occurred()) {
+ PyErr_Print();
+ PyErr_Clear();
+ }
+ }
+ return should_continue;
+}
+
+lldb::SearchDepth
+ScriptInterpreterPython::ScriptedBreakpointResolverSearchDepth(
+ StructuredData::GenericSP implementor_sp) {
+ int depth_as_int = lldb::eSearchDepthModule;
+ if (implementor_sp) {
+ Locker py_lock(this,
+ Locker::AcquireLock | Locker::InitSession | Locker::NoSTDIN);
+ depth_as_int
+ = g_swig_call_bkpt_resolver(implementor_sp->GetValue(), "__get_depth__", nullptr);
+ if (PyErr_Occurred()) {
+ PyErr_Print();
+ PyErr_Clear();
+ }
+ }
+ if (depth_as_int == lldb::eSearchDepthInvalid)
+ return lldb::eSearchDepthModule;
+
+ if (depth_as_int <= lldb::kLastSearchDepthKind)
+ return (lldb::SearchDepth) depth_as_int;
+ else
+ return lldb::eSearchDepthModule;
+}
+
StructuredData::ObjectSP
ScriptInterpreterPython::LoadPluginModule(const FileSpec &file_spec,
lldb_private::Status &error) {
- if (!file_spec.Exists()) {
+ if (!FileSystem::Instance().Exists(file_spec)) {
error.SetErrorString("no such file");
return StructuredData::ObjectSP();
}
@@ -2603,7 +2753,8 @@ bool ScriptInterpreterPython::LoadScriptingModule(
lldb::DebuggerSP debugger_sp = m_interpreter.GetDebugger().shared_from_this();
{
- FileSpec target_file(pathname, true);
+ FileSpec target_file(pathname);
+ FileSystem::Instance().Resolve(target_file);
std::string basename(target_file.GetFilename().GetCString());
StreamString command_stream;
@@ -2687,7 +2838,7 @@ bool ScriptInterpreterPython::LoadScriptingModule(
bool was_imported = (was_imported_globally || was_imported_locally);
- if (was_imported == true && can_reload == false) {
+ if (was_imported && !can_reload) {
error.SetErrorString("module already imported");
return false;
}
@@ -3100,6 +3251,8 @@ void ScriptInterpreterPython::InitializeInterpreter(
SWIGPythonCallCommandObject swig_call_command_object,
SWIGPythonCallModuleInit swig_call_module_init,
SWIGPythonCreateOSPlugin swig_create_os_plugin,
+ SWIGPythonCreateFrameRecognizer swig_create_frame_recognizer,
+ SWIGPythonGetRecognizedArguments swig_get_recognized_arguments,
SWIGPythonScriptKeyword_Process swig_run_script_keyword_process,
SWIGPythonScriptKeyword_Thread swig_run_script_keyword_thread,
SWIGPythonScriptKeyword_Target swig_run_script_keyword_target,
@@ -3107,7 +3260,9 @@ void ScriptInterpreterPython::InitializeInterpreter(
SWIGPythonScriptKeyword_Value swig_run_script_keyword_value,
SWIGPython_GetDynamicSetting swig_plugin_get,
SWIGPythonCreateScriptedThreadPlan swig_thread_plan_script,
- SWIGPythonCallThreadPlan swig_call_thread_plan) {
+ SWIGPythonCallThreadPlan swig_call_thread_plan,
+ SWIGPythonCreateScriptedBreakpointResolver swig_bkpt_resolver_script,
+ SWIGPythonCallBreakpointResolver swig_call_bkpt_resolver) {
g_swig_init_callback = swig_init_callback;
g_swig_breakpoint_callback = swig_breakpoint_callback;
g_swig_watchpoint_callback = swig_watchpoint_callback;
@@ -3126,6 +3281,8 @@ void ScriptInterpreterPython::InitializeInterpreter(
g_swig_call_command_object = swig_call_command_object;
g_swig_call_module_init = swig_call_module_init;
g_swig_create_os_plugin = swig_create_os_plugin;
+ g_swig_create_frame_recognizer = swig_create_frame_recognizer;
+ g_swig_get_recognized_arguments = swig_get_recognized_arguments;
g_swig_run_script_keyword_process = swig_run_script_keyword_process;
g_swig_run_script_keyword_thread = swig_run_script_keyword_thread;
g_swig_run_script_keyword_target = swig_run_script_keyword_target;
@@ -3134,6 +3291,8 @@ void ScriptInterpreterPython::InitializeInterpreter(
g_swig_plugin_get = swig_plugin_get;
g_swig_thread_plan_script = swig_thread_plan_script;
g_swig_call_thread_plan = swig_call_thread_plan;
+ g_swig_bkpt_resolver_script = swig_bkpt_resolver_script;
+ g_swig_call_bkpt_resolver = swig_call_bkpt_resolver;
}
void ScriptInterpreterPython::InitializePrivate() {