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//===-- WatchpointOptions.cpp -----------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/Breakpoint/WatchpointOptions.h"
#include "lldb/Breakpoint/StoppointCallbackContext.h"
#include "lldb/Core/Value.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/ThreadSpec.h"
#include "lldb/Utility/Stream.h"
#include "lldb/Utility/StringList.h"
using namespace lldb;
using namespace lldb_private;
bool WatchpointOptions::NullCallback(void *baton,
StoppointCallbackContext *context,
lldb::user_id_t watch_id) {
return true;
}
// WatchpointOptions constructor
WatchpointOptions::WatchpointOptions()
: m_callback(WatchpointOptions::NullCallback), m_callback_baton_sp(),
m_callback_is_synchronous(false), m_thread_spec_up() {}
// WatchpointOptions copy constructor
WatchpointOptions::WatchpointOptions(const WatchpointOptions &rhs)
: m_callback(rhs.m_callback), m_callback_baton_sp(rhs.m_callback_baton_sp),
m_callback_is_synchronous(rhs.m_callback_is_synchronous),
m_thread_spec_up() {
if (rhs.m_thread_spec_up != nullptr)
m_thread_spec_up.reset(new ThreadSpec(*rhs.m_thread_spec_up));
}
// WatchpointOptions assignment operator
const WatchpointOptions &WatchpointOptions::
operator=(const WatchpointOptions &rhs) {
m_callback = rhs.m_callback;
m_callback_baton_sp = rhs.m_callback_baton_sp;
m_callback_is_synchronous = rhs.m_callback_is_synchronous;
if (rhs.m_thread_spec_up != nullptr)
m_thread_spec_up.reset(new ThreadSpec(*rhs.m_thread_spec_up));
return *this;
}
WatchpointOptions *
WatchpointOptions::CopyOptionsNoCallback(WatchpointOptions &orig) {
WatchpointHitCallback orig_callback = orig.m_callback;
lldb::BatonSP orig_callback_baton_sp = orig.m_callback_baton_sp;
bool orig_is_sync = orig.m_callback_is_synchronous;
orig.ClearCallback();
WatchpointOptions *ret_val = new WatchpointOptions(orig);
orig.SetCallback(orig_callback, orig_callback_baton_sp, orig_is_sync);
return ret_val;
}
// Destructor
WatchpointOptions::~WatchpointOptions() = default;
// Callbacks
void WatchpointOptions::SetCallback(WatchpointHitCallback callback,
const BatonSP &callback_baton_sp,
bool callback_is_synchronous) {
m_callback_is_synchronous = callback_is_synchronous;
m_callback = callback;
m_callback_baton_sp = callback_baton_sp;
}
void WatchpointOptions::ClearCallback() {
m_callback = WatchpointOptions::NullCallback;
m_callback_is_synchronous = false;
m_callback_baton_sp.reset();
}
Baton *WatchpointOptions::GetBaton() { return m_callback_baton_sp.get(); }
const Baton *WatchpointOptions::GetBaton() const {
return m_callback_baton_sp.get();
}
bool WatchpointOptions::InvokeCallback(StoppointCallbackContext *context,
lldb::user_id_t watch_id) {
if (m_callback && context->is_synchronous == IsCallbackSynchronous()) {
return m_callback(m_callback_baton_sp ? m_callback_baton_sp->data()
: nullptr,
context, watch_id);
} else
return true;
}
bool WatchpointOptions::HasCallback() {
return m_callback != WatchpointOptions::NullCallback;
}
const ThreadSpec *WatchpointOptions::GetThreadSpecNoCreate() const {
return m_thread_spec_up.get();
}
ThreadSpec *WatchpointOptions::GetThreadSpec() {
if (m_thread_spec_up == nullptr)
m_thread_spec_up.reset(new ThreadSpec());
return m_thread_spec_up.get();
}
void WatchpointOptions::SetThreadID(lldb::tid_t thread_id) {
GetThreadSpec()->SetTID(thread_id);
}
void WatchpointOptions::GetCallbackDescription(
Stream *s, lldb::DescriptionLevel level) const {
if (m_callback_baton_sp.get()) {
s->EOL();
m_callback_baton_sp->GetDescription(s, level);
}
}
void WatchpointOptions::GetDescription(Stream *s,
lldb::DescriptionLevel level) const {
// Figure out if there are any options not at their default value, and only
// print anything if there are:
if ((GetThreadSpecNoCreate() != nullptr &&
GetThreadSpecNoCreate()->HasSpecification())) {
if (level == lldb::eDescriptionLevelVerbose) {
s->EOL();
s->IndentMore();
s->Indent();
s->PutCString("Watchpoint Options:\n");
s->IndentMore();
s->Indent();
} else
s->PutCString(" Options: ");
if (m_thread_spec_up)
m_thread_spec_up->GetDescription(s, level);
else if (level == eDescriptionLevelBrief)
s->PutCString("thread spec: no ");
if (level == lldb::eDescriptionLevelFull) {
s->IndentLess();
s->IndentMore();
}
}
GetCallbackDescription(s, level);
}
void WatchpointOptions::CommandBaton::GetDescription(
Stream *s, lldb::DescriptionLevel level) const {
const CommandData *data = getItem();
if (level == eDescriptionLevelBrief) {
s->Printf(", commands = %s",
(data && data->user_source.GetSize() > 0) ? "yes" : "no");
return;
}
s->IndentMore();
s->Indent("watchpoint commands:\n");
s->IndentMore();
if (data && data->user_source.GetSize() > 0) {
for (const std::string &line : data->user_source) {
s->Indent(line);
s->EOL();
}
} else {
s->PutCString("No commands.\n");
}
s->IndentLess();
s->IndentLess();
}
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