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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file LICENSE.rst or https://cmake.org/licensing for details. */
#include "cmDebuggerThread.h"
#include <cstdint>
#include <utility>
#include <cm3p/cppdap/optional.h>
#include <cm3p/cppdap/types.h>
#include "cmDebuggerStackFrame.h"
#include "cmDebuggerVariables.h"
#include "cmDebuggerVariablesHelper.h"
#include "cmDebuggerVariablesManager.h"
#include "cmListFileCache.h"
#include "cmStringAlgorithms.h"
namespace cmDebugger {
cmDebuggerThread::cmDebuggerThread(int64_t id, std::string name)
: Id(id)
, Name(std::move(name))
, VariablesManager(std::make_shared<cmDebuggerVariablesManager>())
{
}
void cmDebuggerThread::PushStackFrame(cmMakefile* mf,
std::string const& sourcePath,
cmListFileFunction const& lff)
{
std::unique_lock<std::mutex> lock(Mutex);
Frames.emplace_back(
std::make_shared<cmDebuggerStackFrame>(mf, sourcePath, lff));
FrameMap.insert({ Frames.back()->GetId(), Frames.back() });
}
void cmDebuggerThread::PopStackFrame()
{
std::unique_lock<std::mutex> lock(Mutex);
FrameMap.erase(Frames.back()->GetId());
FrameScopes.erase(Frames.back()->GetId());
FrameVariables.erase(Frames.back()->GetId());
Frames.pop_back();
}
std::shared_ptr<cmDebuggerStackFrame> cmDebuggerThread::GetTopStackFrame()
{
std::unique_lock<std::mutex> lock(Mutex);
if (!Frames.empty()) {
return Frames.back();
}
return {};
}
std::shared_ptr<cmDebuggerStackFrame> cmDebuggerThread::GetStackFrame(
int64_t frameId)
{
std::unique_lock<std::mutex> lock(Mutex);
auto it = FrameMap.find(frameId);
if (it == FrameMap.end()) {
return {};
}
return it->second;
}
dap::ScopesResponse cmDebuggerThread::GetScopesResponse(
int64_t frameId, bool supportsVariableType)
{
std::unique_lock<std::mutex> lock(Mutex);
auto it = FrameScopes.find(frameId);
if (it != FrameScopes.end()) {
dap::ScopesResponse response;
response.scopes = it->second;
return response;
}
auto it2 = FrameMap.find(frameId);
if (it2 == FrameMap.end()) {
return dap::ScopesResponse();
}
std::shared_ptr<cmDebuggerStackFrame> frame = it2->second;
std::shared_ptr<cmDebuggerVariables> localVariables =
cmDebuggerVariablesHelper::Create(VariablesManager, "Locals",
supportsVariableType, frame);
FrameVariables[frameId].emplace_back(localVariables);
dap::Scope scope;
scope.name = localVariables->GetName();
scope.presentationHint = "locals";
scope.variablesReference = localVariables->GetId();
dap::Source source;
source.name = frame->GetFileName();
source.path = source.name;
scope.source = source;
FrameScopes[frameId].push_back(scope);
dap::ScopesResponse response;
response.scopes.push_back(scope);
return response;
}
dap::VariablesResponse cmDebuggerThread::GetVariablesResponse(
dap::VariablesRequest const& request)
{
std::unique_lock<std::mutex> lock(Mutex);
dap::VariablesResponse response;
response.variables = VariablesManager->HandleVariablesRequest(request);
return response;
}
dap::StackTraceResponse GetStackTraceResponse(
std::shared_ptr<cmDebuggerThread> const& thread,
dap::optional<dap::StackFrameFormat> format)
{
dap::boolean showParameters = false;
dap::boolean showParameterValues = false;
dap::boolean showLine = false;
if (format.has_value()) {
auto formatValue = format.value();
if (formatValue.parameters.has_value()) {
showParameters = formatValue.parameters.value();
}
if (formatValue.parameterValues.has_value()) {
showParameterValues = formatValue.parameterValues.value();
}
if (formatValue.line.has_value()) {
showLine = formatValue.line.value();
}
}
dap::StackTraceResponse response;
std::unique_lock<std::mutex> lock(thread->Mutex);
for (int i = static_cast<int>(thread->Frames.size()) - 1; i >= 0; --i) {
dap::Source source;
source.name = thread->Frames[i]->GetFileName();
source.path = source.name;
#ifdef __GNUC__
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Warray-bounds"
#endif
dap::StackFrame stackFrame;
#ifdef __GNUC__
# pragma GCC diagnostic pop
#endif
stackFrame.line = thread->Frames[i]->GetLine();
stackFrame.column = 1;
stackFrame.id = thread->Frames[i]->GetId();
stackFrame.source = source;
auto stackName = thread->Frames[i]->GetFunction().OriginalName();
if (showParameters) {
stackName.push_back('(');
if (showParameterValues && !thread->Frames[i]->GetArguments().empty()) {
for (auto const& arg : thread->Frames[i]->GetArguments()) {
stackName = cmStrCat(stackName, arg.Value, ", ");
}
stackName.erase(stackName.end() - 2, stackName.end());
}
stackName.push_back(')');
}
if (showLine) {
stackName =
cmStrCat(stackName, " Line: ", static_cast<int64_t>(stackFrame.line));
}
stackFrame.name = stackName;
response.stackFrames.push_back(stackFrame);
}
response.totalFrames = response.stackFrames.size();
return response;
}
} // namespace cmDebugger
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