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-rw-r--r--contrib/llvm-project/lldb/source/Plugins/ScriptInterpreter/Lua/ScriptInterpreterLua.cpp101
1 files changed, 85 insertions, 16 deletions
diff --git a/contrib/llvm-project/lldb/source/Plugins/ScriptInterpreter/Lua/ScriptInterpreterLua.cpp b/contrib/llvm-project/lldb/source/Plugins/ScriptInterpreter/Lua/ScriptInterpreterLua.cpp
index 920e334f51aa..ef46401c8b46 100644
--- a/contrib/llvm-project/lldb/source/Plugins/ScriptInterpreter/Lua/ScriptInterpreterLua.cpp
+++ b/contrib/llvm-project/lldb/source/Plugins/ScriptInterpreter/Lua/ScriptInterpreterLua.cpp
@@ -58,7 +58,13 @@ public:
const char *instructions = nullptr;
switch (m_active_io_handler) {
case eIOHandlerNone:
+ break;
case eIOHandlerWatchpoint:
+ instructions = "Enter your Lua command(s). Type 'quit' to end.\n"
+ "The commands are compiled as the body of the following "
+ "Lua function\n"
+ "function (frame, wp) end\n";
+ SetPrompt(llvm::StringRef("..> "));
break;
case eIOHandlerBreakpoint:
instructions = "Enter your Lua command(s). Type 'quit' to end.\n"
@@ -78,7 +84,8 @@ public:
StringList &lines) override {
size_t last = lines.GetSize() - 1;
if (IsQuitCommand(lines.GetStringAtIndex(last))) {
- if (m_active_io_handler == eIOHandlerBreakpoint)
+ if (m_active_io_handler == eIOHandlerBreakpoint ||
+ m_active_io_handler == eIOHandlerWatchpoint)
lines.DeleteStringAtIndex(last);
return true;
}
@@ -90,17 +97,19 @@ public:
// Lua always errors out to incomplete code with '<eof>'
return error_str.find("<eof>") == std::string::npos;
}
- // The breakpoint handler only exits with a explicit 'quit'
- return m_active_io_handler != eIOHandlerBreakpoint;
+ // The breakpoint and watchpoint handler only exits with a explicit 'quit'
+ return m_active_io_handler != eIOHandlerBreakpoint &&
+ m_active_io_handler != eIOHandlerWatchpoint;
}
void IOHandlerInputComplete(IOHandler &io_handler,
std::string &data) override {
switch (m_active_io_handler) {
case eIOHandlerBreakpoint: {
- auto *bp_options_vec = static_cast<std::vector<BreakpointOptions *> *>(
- io_handler.GetUserData());
- for (auto *bp_options : *bp_options_vec) {
+ auto *bp_options_vec =
+ static_cast<std::vector<std::reference_wrapper<BreakpointOptions>> *>(
+ io_handler.GetUserData());
+ for (BreakpointOptions &bp_options : *bp_options_vec) {
Status error = m_script_interpreter.SetBreakpointCommandCallback(
bp_options, data.c_str());
if (error.Fail())
@@ -108,9 +117,13 @@ public:
}
io_handler.SetIsDone(true);
} break;
- case eIOHandlerWatchpoint:
+ case eIOHandlerWatchpoint: {
+ auto *wp_options =
+ static_cast<WatchpointOptions *>(io_handler.GetUserData());
+ m_script_interpreter.SetWatchpointCommandCallback(wp_options,
+ data.c_str());
io_handler.SetIsDone(true);
- break;
+ } break;
case eIOHandlerNone:
if (IsQuitCommand(data)) {
io_handler.SetIsDone(true);
@@ -133,7 +146,7 @@ ScriptInterpreterLua::ScriptInterpreterLua(Debugger &debugger)
: ScriptInterpreter(debugger, eScriptLanguageLua),
m_lua(std::make_unique<Lua>()) {}
-ScriptInterpreterLua::~ScriptInterpreterLua() {}
+ScriptInterpreterLua::~ScriptInterpreterLua() = default;
bool ScriptInterpreterLua::ExecuteOneLine(llvm::StringRef command,
CommandReturnObject *result,
@@ -194,8 +207,9 @@ void ScriptInterpreterLua::ExecuteInterpreterLoop() {
}
bool ScriptInterpreterLua::LoadScriptingModule(
- const char *filename, bool init_session, lldb_private::Status &error,
- StructuredData::ObjectSP *module_sp, FileSpec extra_search_dir) {
+ const char *filename, const LoadScriptOptions &options,
+ lldb_private::Status &error, StructuredData::ObjectSP *module_sp,
+ FileSpec extra_search_dir) {
FileSystem::Instance().Collect(filename);
if (llvm::Error e = m_lua->LoadModule(filename)) {
@@ -275,8 +289,35 @@ bool ScriptInterpreterLua::BreakpointCallbackFunction(
return *BoolOrErr;
}
+bool ScriptInterpreterLua::WatchpointCallbackFunction(
+ void *baton, StoppointCallbackContext *context, user_id_t watch_id) {
+ assert(context);
+
+ ExecutionContext exe_ctx(context->exe_ctx_ref);
+ Target *target = exe_ctx.GetTargetPtr();
+ if (target == nullptr)
+ return true;
+
+ StackFrameSP stop_frame_sp(exe_ctx.GetFrameSP());
+ WatchpointSP wp_sp = target->GetWatchpointList().FindByID(watch_id);
+
+ Debugger &debugger = target->GetDebugger();
+ ScriptInterpreterLua *lua_interpreter = static_cast<ScriptInterpreterLua *>(
+ debugger.GetScriptInterpreter(true, eScriptLanguageLua));
+ Lua &lua = lua_interpreter->GetLua();
+
+ llvm::Expected<bool> BoolOrErr =
+ lua.CallWatchpointCallback(baton, stop_frame_sp, wp_sp);
+ if (llvm::Error E = BoolOrErr.takeError()) {
+ debugger.GetErrorStream() << toString(std::move(E));
+ return true;
+ }
+
+ return *BoolOrErr;
+}
+
void ScriptInterpreterLua::CollectDataForBreakpointCommandCallback(
- std::vector<BreakpointOptions *> &bp_options_vec,
+ std::vector<std::reference_wrapper<BreakpointOptions>> &bp_options_vec,
CommandReturnObject &result) {
IOHandlerSP io_handler_sp(
new IOHandlerLuaInterpreter(m_debugger, *this, eIOHandlerBreakpoint));
@@ -284,8 +325,16 @@ void ScriptInterpreterLua::CollectDataForBreakpointCommandCallback(
m_debugger.RunIOHandlerAsync(io_handler_sp);
}
+void ScriptInterpreterLua::CollectDataForWatchpointCommandCallback(
+ WatchpointOptions *wp_options, CommandReturnObject &result) {
+ IOHandlerSP io_handler_sp(
+ new IOHandlerLuaInterpreter(m_debugger, *this, eIOHandlerWatchpoint));
+ io_handler_sp->SetUserData(wp_options);
+ m_debugger.RunIOHandlerAsync(io_handler_sp);
+}
+
Status ScriptInterpreterLua::SetBreakpointCommandCallbackFunction(
- BreakpointOptions *bp_options, const char *function_name,
+ BreakpointOptions &bp_options, const char *function_name,
StructuredData::ObjectSP extra_args_sp) {
const char *fmt_str = "return {0}(frame, bp_loc, ...)";
std::string oneliner = llvm::formatv(fmt_str, function_name).str();
@@ -294,12 +343,12 @@ Status ScriptInterpreterLua::SetBreakpointCommandCallbackFunction(
}
Status ScriptInterpreterLua::SetBreakpointCommandCallback(
- BreakpointOptions *bp_options, const char *command_body_text) {
+ BreakpointOptions &bp_options, const char *command_body_text) {
return RegisterBreakpointCallback(bp_options, command_body_text, {});
}
Status ScriptInterpreterLua::RegisterBreakpointCallback(
- BreakpointOptions *bp_options, const char *command_body_text,
+ BreakpointOptions &bp_options, const char *command_body_text,
StructuredData::ObjectSP extra_args_sp) {
Status error;
auto data_up = std::make_unique<CommandDataLua>(extra_args_sp);
@@ -308,7 +357,27 @@ Status ScriptInterpreterLua::RegisterBreakpointCallback(
return error;
auto baton_sp =
std::make_shared<BreakpointOptions::CommandBaton>(std::move(data_up));
- bp_options->SetCallback(ScriptInterpreterLua::BreakpointCallbackFunction,
+ bp_options.SetCallback(ScriptInterpreterLua::BreakpointCallbackFunction,
+ baton_sp);
+ return error;
+}
+
+void ScriptInterpreterLua::SetWatchpointCommandCallback(
+ WatchpointOptions *wp_options, const char *command_body_text) {
+ RegisterWatchpointCallback(wp_options, command_body_text, {});
+}
+
+Status ScriptInterpreterLua::RegisterWatchpointCallback(
+ WatchpointOptions *wp_options, const char *command_body_text,
+ StructuredData::ObjectSP extra_args_sp) {
+ Status error;
+ auto data_up = std::make_unique<WatchpointOptions::CommandData>();
+ error = m_lua->RegisterWatchpointCallback(data_up.get(), command_body_text);
+ if (error.Fail())
+ return error;
+ auto baton_sp =
+ std::make_shared<WatchpointOptions::CommandBaton>(std::move(data_up));
+ wp_options->SetCallback(ScriptInterpreterLua::WatchpointCallbackFunction,
baton_sp);
return error;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-09 06:36:47 +0000