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#include "DAPMainView.h"
#include "DebugAdapterClient.hpp"
#include "globals.h"
#include "macros.h"
#include <unordered_set>
#include <wx/dcclient.h>
namespace
{
void DeleteFrameItemData(wxUIntPtr cd)
{
if (cd == 0) {
return;
}
auto d = reinterpret_cast<FrameInfo*>(cd);
delete d;
}
void DeleteThreadItemData(wxUIntPtr cd)
{
if (cd == 0) {
return;
}
auto d = reinterpret_cast<ThreadInfo*>(cd);
delete d;
}
template <typename ListCtrl>
void DeleteAllItems(ListCtrl* list, std::function<void(wxUIntPtr)> deleter)
{
for (size_t i = 0; i < list->GetItemCount(); ++i) {
deleter(list->GetItemData(list->RowToItem((int)i)));
}
list->DeleteAllItems();
}
} // namespace
DAPMainView::DAPMainView(wxWindow* parent, DebugAdapterClient* plugin, clModuleLogger& log)
: DAPMainViewBase(parent)
, m_plugin(plugin)
, LOG(log)
{
m_timer = new wxTimer(this);
Bind(wxEVT_TIMER, &DAPMainView::OnTimerCheckCanInteract, this);
m_variablesTree->SetTreeStyle(m_variablesTree->GetTreeStyle() | wxTR_HIDE_ROOT);
m_variablesTree->SetShowHeader(true);
m_variablesTree->AddHeader(_("Name"));
m_variablesTree->AddHeader(_("Value"));
m_variablesTree->AddHeader(_("Type"));
m_variablesTree->AddRoot(_("Scopes"));
m_variablesTree->Bind(wxEVT_TREE_ITEM_EXPANDING, &DAPMainView::OnScopeItemExpanding, this);
m_variablesTree->Bind(wxEVT_TREE_ITEM_MENU, &DAPMainView::OnVariablesMenu, this);
m_timer->Start(250);
wxClientDC dc(this);
dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
auto width = dc.GetTextExtent("1234567890 X Thread Name").GetWidth();
m_splitterThreadsFrames->SetSashPosition(width);
m_outputPane = new DAPOutputPane(m_splitterPageBottom, LOG);
m_splitterPageBottom->GetSizer()->Add(m_outputPane, 1, wxEXPAND);
}
DAPMainView::~DAPMainView()
{
Unbind(wxEVT_TIMER, &DAPMainView::OnTimerCheckCanInteract, this);
m_timer->Stop();
wxDELETE(m_timer);
}
void DAPMainView::UpdateThreads(int activeThreadId, dap::ThreadsResponse* response)
{
// threads are the top level
if (!response || !response->success) {
return;
}
DeleteAllItems(m_dvListCtrlThreadId, DeleteThreadItemData);
wxDataViewItem active_item{ nullptr };
for (const auto& thread : response->threads) {
wxVector<wxVariant> cols;
cols.push_back(wxString::Format("%d", thread.id));
cols.push_back(thread.id == activeThreadId ? wxT("\u2714") : wxString());
cols.push_back(thread.name);
// new thread, add it
m_dvListCtrlThreadId->AppendItem(cols, (wxUIntPtr)(new ThreadInfo(thread)));
wxDataViewItem item = m_dvListCtrlThreadId->RowToItem(m_dvListCtrlThreadId->GetItemCount() - 1);
if (thread.id == activeThreadId) {
active_item = item;
}
}
if (active_item.IsOk()) {
// this will also trigger a frame request
m_dvListCtrlThreadId->Select(active_item);
}
}
void DAPMainView::DoUpdateFrames(int threadId, const std::vector<dap::StackFrame>& frames)
{
// locate the row
auto thread_item = FindThread(threadId);
if (!thread_item.IsOk()) {
return;
}
ThreadInfo* thread_info = reinterpret_cast<ThreadInfo*>(m_dvListCtrlThreadId->GetItemData(thread_item));
thread_info->frames = frames;
if (m_dvListCtrlThreadId->GetSelection() == thread_item) {
// this thread is also the selected one, update the backtrace UI
DeleteAllItems(m_dvListCtrlFrames, DeleteFrameItemData);
for (const auto& frame : frames) {
wxString source;
if (!frame.source.path.empty()) {
source = frame.source.path;
} else {
source = frame.source.name;
}
wxVector<wxVariant> cols;
cols.push_back(wxString::Format("%d", frame.id));
cols.push_back(frame.name);
cols.push_back(wxString::Format("%d", frame.line));
cols.push_back(source);
m_dvListCtrlFrames->AppendItem(cols, (wxUIntPtr)(new FrameInfo(frame)));
}
}
}
void DAPMainView::UpdateFrames(int threadId, dap::StackTraceResponse* response)
{
if (!response || !response->success) {
return;
}
DoUpdateFrames(threadId, response->stackFrames);
if (!m_getFramesRequests.empty()) {
size_t& count = m_getFramesRequests.front();
if (count > 0) {
count--;
}
if (count == 0) {
m_getFramesRequests.erase(m_getFramesRequests.begin());
DoCopyAllThreadsBacktrace();
}
}
}
void DAPMainView::UpdateScopes(int frameId, dap::ScopesResponse* response)
{
LOG_DEBUG(LOG) << "Current frame id:" << m_scopesFrameId << endl;
LOG_DEBUG(LOG) << "updating scopes for frame:" << frameId << endl;
bool changed_frame = m_scopesFrameId != frameId;
m_scopesFrameId = frameId;
m_variablesTree->Begin();
if (changed_frame) {
m_variablesTree->DeleteChildren(m_variablesTree->GetRootItem());
}
// go over the tree and collect the current names
std::unordered_map<wxString, wxTreeItemId> current_scopes;
wxTreeItemIdValue cookie;
wxTreeItemId root = m_variablesTree->GetRootItem();
auto curitem = m_variablesTree->GetFirstChild(root, cookie);
while (curitem.IsOk()) {
current_scopes.insert({ m_variablesTree->GetItemText(curitem), curitem });
curitem = m_variablesTree->GetNextChild(root, cookie);
}
for (const auto& scope : response->scopes) {
if (current_scopes.count(scope.name) == 0) {
// new scope
auto item = m_variablesTree->AppendItem(root, scope.name);
m_variablesTree->SetItemData(item, new VariableClientData(scope.variablesReference, wxEmptyString));
if (scope.variablesReference > 0) {
// it has children
m_variablesTree->AppendItem(item, "<dummy>");
wxString scope_name = scope.name.Lower();
if (scope_name == "locals" || scope_name == "local") {
m_variablesTree->Expand(item);
m_variablesTree->DeleteChildren(item);
}
}
} else {
// remove it
current_scopes.erase(scope.name);
}
}
// remove all items that are still in the map
for (const auto& vt : current_scopes) {
m_variablesTree->Delete(vt.second);
}
m_variablesTree->Commit();
// check which top level entry is expanded and update it
curitem = m_variablesTree->GetFirstChild(root, cookie);
std::unordered_set<int> items_to_refresh;
while (curitem.IsOk()) {
if (m_variablesTree->IsExpanded(curitem)) {
items_to_refresh.insert(GetVariableId(curitem));
}
curitem = m_variablesTree->GetNextChild(root, cookie);
}
for (int refId : items_to_refresh) {
if (refId != wxNOT_FOUND) {
m_plugin->GetClient().GetChildrenVariables(refId);
}
}
}
void DAPMainView::UpdateVariables(int parentRef, dap::VariablesResponse* response)
{
// go over the tree and collect the current names
wxTreeItemId parent_item = FindVariableNode(parentRef);
CHECK_ITEM_RET(parent_item);
m_variablesTree->Begin();
m_variablesTree->DeleteChildren(parent_item);
for (const auto& variable : response->variables) {
auto child = m_variablesTree->AppendItem(parent_item, variable.name);
wxString value = variable.value;
if (value.length() > 200) {
value = value.Mid(0, 200);
value << "... [truncated]";
}
m_variablesTree->SetItemText(child, value, 1);
m_variablesTree->SetItemText(child, variable.type, 2);
m_variablesTree->SetItemData(child, new VariableClientData(variable.variablesReference, variable.value));
if (variable.variablesReference > 0) {
// has children
m_variablesTree->AppendItem(child, "<dummy>");
}
}
m_variablesTree->Commit();
}
void DAPMainView::OnScopeItemExpanding(wxTreeEvent& event)
{
event.Skip();
wxTreeItemId item = event.GetItem();
CHECK_ITEM_RET(item);
m_variablesTree->Begin();
if (m_variablesTree->ItemHasChildren(item)) {
m_variablesTree->DeleteChildren(item);
m_variablesTree->AppendItem(item, _("Loading..."));
}
m_variablesTree->Commit();
m_plugin->GetClient().GetChildrenVariables(GetVariableId(event.GetItem()));
}
wxDataViewItem DAPMainView::FindThread(int threadId) const
{
for (size_t i = 0; i < m_dvListCtrlThreadId->GetItemCount(); ++i) {
auto item = m_dvListCtrlThreadId->RowToItem(i);
auto ti = reinterpret_cast<ThreadInfo*>(m_dvListCtrlThreadId->GetItemData(item));
if (ti->thread_id() == threadId) {
return item;
}
}
return wxDataViewItem(nullptr);
}
int DAPMainView::GetVariableId(const wxTreeItemId& item)
{
auto cd = GetVariableClientData(item);
if (!cd) {
return wxNOT_FOUND;
}
return cd->reference;
}
// O(n)
wxTreeItemId DAPMainView::FindVariableNode(int refId)
{
wxTreeItemId parent = m_variablesTree->GetRootItem();
std::vector<wxTreeItemId> Q;
// scan in dfs manner
Q.push_back(parent);
while (!Q.empty()) {
wxTreeItemId item = Q.back();
Q.pop_back();
int curid = GetVariableId(item);
if (curid == refId) {
return item;
}
if (m_variablesTree->HasChildren(item)) {
// direct access to this item children goes through clRowEntry (the internal impl)
clRowEntry* as_entry = reinterpret_cast<clRowEntry*>(item.GetID());
const auto& children = as_entry->GetChildren();
Q.reserve(Q.size() + children.size());
for (auto child : children) {
Q.emplace_back(wxTreeItemId(child));
}
}
}
return wxTreeItemId(nullptr);
}
ThreadInfo* DAPMainView::GetThreadInfo(const wxDataViewItem& item)
{
CHECK_ITEM_RET_NULL(item);
ThreadInfo* cd = reinterpret_cast<ThreadInfo*>(m_dvListCtrlThreadId->GetItemData(item));
return cd;
}
VariableClientData* DAPMainView::GetVariableClientData(const wxTreeItemId& item)
{
CHECK_ITEM_RET_NULL(item);
VariableClientData* cd = dynamic_cast<VariableClientData*>(m_variablesTree->GetItemData(item));
return cd;
}
void DAPMainView::SetDisabled(bool b)
{
m_variablesTree->SetDisabled(b);
m_variablesTree->Refresh();
m_dvListCtrlThreadId->Enable(!b);
m_dvListCtrlFrames->Enable(!b);
}
// we only need to check one view
bool DAPMainView::IsDisabled() const { return m_variablesTree->IsDisabled(); }
void DAPMainView::OnTimerCheckCanInteract(wxTimerEvent& event)
{
event.Skip();
CHECK_PTR_RET(m_plugin->GetClient().IsConnected());
if (!m_plugin->GetClient().CanInteract()) {
if (!IsDisabled()) {
SetDisabled(true);
}
} else {
if (IsDisabled()) {
SetDisabled(false);
}
}
}
void DAPMainView::OnVariablesMenu(wxTreeEvent& event)
{
CHECK_ITEM_RET(event.GetItem());
auto item = event.GetItem();
auto cd = GetVariableClientData(item);
CHECK_PTR_RET(cd);
wxMenu menu;
menu.Append(XRCID("dap_copy_var_value"), _("Copy"));
menu.Bind(
wxEVT_MENU,
[cd](wxCommandEvent& e) {
wxUnusedVar(e);
::CopyToClipboard(cd->value);
},
XRCID("dap_copy_var_value"));
m_variablesTree->PopupMenu(&menu);
}
void DAPMainView::OnThreadsListMenu(wxDataViewEvent& event)
{
CHECK_ITEM_RET(event.GetItem());
auto item = event.GetItem();
auto thread_info = GetThreadInfo(item);
CHECK_PTR_RET(thread_info);
wxMenu menu;
menu.Append(XRCID("copy_all_threads_backtrace"), _("Copy all"));
menu.Append(XRCID("copy_current_thread_backtrace"), _("Copy this thread backtrace"));
menu.Bind(
wxEVT_MENU,
[this, thread_info](wxCommandEvent& e) {
wxUnusedVar(e);
wxString bt;
::CopyToClipboard(thread_info->GetBacktrace());
},
XRCID("copy_current_thread_backtrace"));
menu.Bind(
wxEVT_MENU,
[this](wxCommandEvent& e) {
// Make sure that all the threads have their backtrace loaded
std::vector<int> threads_need_frames;
for (size_t i = 0; i < m_dvListCtrlThreadId->GetItemCount(); ++i) {
auto item = m_dvListCtrlThreadId->RowToItem(i);
auto thread_info = GetThreadInfo(item);
if (!thread_info->has_frames()) {
threads_need_frames.push_back(thread_info->thread_id());
}
}
if (threads_need_frames.empty()) {
DoCopyAllThreadsBacktrace();
} else {
// request frames for each missing thread and then perform the copy
m_getFramesRequests.push_back(threads_need_frames.size());
for (int thread_id : threads_need_frames) {
m_plugin->GetClient().GetFrames(thread_id);
}
}
},
XRCID("copy_all_threads_backtrace"));
m_dvListCtrlThreadId->PopupMenu(&menu);
}
void DAPMainView::Clear()
{
m_variablesTree->DeleteAllItems();
DeleteAllItems(m_dvListCtrlThreadId, DeleteThreadItemData);
DeleteAllItems(m_dvListCtrlFrames, DeleteFrameItemData);
}
FrameInfo* DAPMainView::GetFrameInfo(const wxDataViewItem& item)
{
CHECK_ITEM_RET_NULL(item);
auto cd = reinterpret_cast<FrameInfo*>(m_dvListCtrlFrames->GetItemData(item));
return cd;
}
void DAPMainView::OnFrameChanged(wxDataViewEvent& event)
{
auto cd = GetFrameInfo(event.GetItem());
if (cd == nullptr) {
return;
}
m_plugin->GetClient().GetScopes(cd->frame.id);
// open the file corresponded to the frame ID
m_plugin->LoadFile(cd->frame.source, cd->frame.line - 1);
}
void DAPMainView::OnThreadIdChanged(wxDataViewEvent& event)
{
event.Skip();
auto item = event.GetItem();
CHECK_ITEM_RET(item);
auto thread_info = GetThreadInfo(item);
CHECK_PTR_RET(thread_info);
m_plugin->GetClient().GetFrames(thread_info->thread_id());
}
void DAPMainView::DoCopyAllThreadsBacktrace()
{
wxString backtraces;
for (size_t i = 0; i < m_dvListCtrlThreadId->GetItemCount(); ++i) {
auto item = m_dvListCtrlThreadId->RowToItem(i);
auto thread_info = GetThreadInfo(item);
backtraces << thread_info->GetBacktrace();
}
backtraces.Trim() << "\n";
::CopyToClipboard(backtraces);
clGetManager()->SetStatusMessage(_("Backtrace copied to clipboard!"));
}