mirror of
https://github.com/RGBCube/serenity
synced 2025-05-14 11:04:59 +00:00
204 lines
7.9 KiB
C++
204 lines
7.9 KiB
C++
/*
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* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "DebugInfoWidget.h"
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#include "BacktraceModel.h"
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#include "Debugger.h"
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#include "RegistersModel.h"
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#include "VariablesModel.h"
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#include <AK/StringBuilder.h>
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#include <LibGUI/Action.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/InputBox.h>
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#include <LibGUI/ListView.h>
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#include <LibGUI/Menu.h>
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#include <LibGUI/Model.h>
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#include <LibGUI/Splitter.h>
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#include <LibGUI/TabWidget.h>
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#include <LibGUI/TreeView.h>
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namespace HackStudio {
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ErrorOr<void> DebugInfoWidget::init_toolbar()
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{
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m_continue_action = GUI::Action::create("Continue", TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/debug-continue.png"sv)), [](auto&) {
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Debugger::the().set_requested_debugger_action(Debugger::DebuggerAction::Continue);
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});
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m_singlestep_action = GUI::Action::create("Step Over", { Mod_None, Key_F10 }, TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/debug-step-over.png"sv)), [](auto&) {
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Debugger::the().set_requested_debugger_action(Debugger::DebuggerAction::SourceStepOver);
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});
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m_step_in_action = GUI::Action::create("Step In", { Mod_None, Key_F11 }, TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/debug-step-in.png"sv)), [](auto&) {
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Debugger::the().set_requested_debugger_action(Debugger::DebuggerAction::SourceSingleStep);
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});
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m_step_out_action = GUI::Action::create("Step Out", { Mod_Shift, Key_F11 }, TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/debug-step-out.png"sv)), [](auto&) {
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Debugger::the().set_requested_debugger_action(Debugger::DebuggerAction::SourceStepOut);
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});
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m_toolbar->add_action(*m_continue_action);
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m_toolbar->add_action(*m_singlestep_action);
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m_toolbar->add_action(*m_step_in_action);
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m_toolbar->add_action(*m_step_out_action);
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set_debug_actions_enabled(false);
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return {};
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}
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ErrorOr<NonnullRefPtr<DebugInfoWidget>> DebugInfoWidget::create()
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{
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auto debuginfo_widget = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) DebugInfoWidget));
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auto& toolbar_container = debuginfo_widget->add<GUI::ToolbarContainer>();
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debuginfo_widget->m_toolbar = toolbar_container.add<GUI::Toolbar>();
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TRY(debuginfo_widget->init_toolbar());
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return debuginfo_widget;
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}
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DebugInfoWidget::DebugInfoWidget()
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{
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set_layout<GUI::VerticalBoxLayout>();
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auto& bottom_box = add<GUI::Widget>();
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bottom_box.set_layout<GUI::HorizontalBoxLayout>();
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auto& splitter = bottom_box.add<GUI::HorizontalSplitter>();
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m_backtrace_view = splitter.add<GUI::ListView>();
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auto& variables_tab_widget = splitter.add<GUI::TabWidget>();
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variables_tab_widget.set_tab_position(GUI::TabWidget::TabPosition::Bottom);
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variables_tab_widget.add_widget(build_variables_tab());
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variables_tab_widget.add_widget(build_registers_tab());
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m_backtrace_view->on_selection_change = [this] {
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const auto& index = m_backtrace_view->selection().first();
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if (!index.is_valid()) {
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return;
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}
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auto& model = static_cast<BacktraceModel&>(*m_backtrace_view->model());
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// Note: The reconstruction of the register set here is obviously incomplete.
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// We currently only reconstruct eip & ebp. Ideally would also reconstruct the other registers somehow.
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// (Other registers may be needed to get the values of variables who are not stored on the stack)
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PtraceRegisters frame_regs {};
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auto backtrace_frame = model.frames()[index.row()];
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frame_regs.set_ip(backtrace_frame.instruction_address);
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frame_regs.set_bp(backtrace_frame.frame_base);
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m_variables_view->set_model(VariablesModel::create(static_cast<VariablesModel&>(*m_variables_view->model()).inspector(), frame_regs));
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if (on_backtrace_frame_selection && backtrace_frame.m_source_position.has_value()) {
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on_backtrace_frame_selection(*backtrace_frame.m_source_position);
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} else {
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dbgln("no source position info");
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}
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};
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}
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bool DebugInfoWidget::does_variable_support_writing(Debug::DebugInfo::VariableInfo const* variable)
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{
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if (variable->location_type != Debug::DebugInfo::VariableInfo::LocationType::Address)
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return false;
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return variable->is_enum_type() || variable->type_name.is_one_of("int", "bool");
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}
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RefPtr<GUI::Menu> DebugInfoWidget::get_context_menu_for_variable(const GUI::ModelIndex& index)
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{
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if (!index.is_valid())
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return nullptr;
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auto context_menu = GUI::Menu::construct();
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auto* variable = static_cast<Debug::DebugInfo::VariableInfo const*>(index.internal_data());
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if (does_variable_support_writing(variable)) {
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context_menu->add_action(GUI::Action::create("Change value", [&](auto&) {
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DeprecatedString value;
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if (GUI::InputBox::show(window(), value, "Enter new value:"sv, "Set variable value"sv) == GUI::InputBox::ExecResult::OK) {
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auto& model = static_cast<VariablesModel&>(*m_variables_view->model());
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model.set_variable_value(index, value, window());
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}
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}));
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}
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auto variable_address = variable->location_data.address;
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if (Debugger::the().session()->watchpoint_exists(variable_address)) {
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context_menu->add_action(GUI::Action::create("Remove watchpoint", [variable_address](auto&) {
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Debugger::the().session()->remove_watchpoint(variable_address);
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}));
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} else {
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auto& backtrace_model = static_cast<BacktraceModel&>(*m_backtrace_view->model());
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auto current_frame = m_backtrace_view->selection().first().row();
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auto ebp = backtrace_model.frames()[current_frame].frame_base;
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context_menu->add_action(GUI::Action::create("Add watchpoint", [variable_address, ebp](auto&) {
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Debugger::the().session()->insert_watchpoint(variable_address, ebp);
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}));
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}
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return context_menu;
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}
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NonnullRefPtr<GUI::Widget> DebugInfoWidget::build_variables_tab()
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{
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auto variables_widget = GUI::Widget::construct();
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variables_widget->set_title("Variables");
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variables_widget->set_layout<GUI::HorizontalBoxLayout>();
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m_variables_view = variables_widget->add<GUI::TreeView>();
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m_variables_view->on_context_menu_request = [this](auto& index, auto& event) {
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m_variable_context_menu = get_context_menu_for_variable(index);
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if (m_variable_context_menu)
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m_variable_context_menu->popup(event.screen_position());
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};
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return variables_widget;
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}
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NonnullRefPtr<GUI::Widget> DebugInfoWidget::build_registers_tab()
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{
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auto registers_widget = GUI::Widget::construct();
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registers_widget->set_title("Registers");
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registers_widget->set_layout<GUI::HorizontalBoxLayout>();
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m_registers_view = registers_widget->add<GUI::TableView>();
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return registers_widget;
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}
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void DebugInfoWidget::update_state(Debug::ProcessInspector& inspector, PtraceRegisters const& regs)
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{
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m_variables_view->set_model(VariablesModel::create(inspector, regs));
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m_backtrace_view->set_model(BacktraceModel::create(inspector, regs));
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if (m_registers_view->model()) {
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auto& previous_registers = static_cast<RegistersModel*>(m_registers_view->model())->raw_registers();
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m_registers_view->set_model(RegistersModel::create(regs, previous_registers));
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} else {
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m_registers_view->set_model(RegistersModel::create(regs));
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}
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auto selected_index = m_backtrace_view->model()->index(0);
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if (!selected_index.is_valid()) {
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dbgln("Warning: DebugInfoWidget: backtrace selected index is invalid");
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return;
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}
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m_backtrace_view->selection().set(selected_index);
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}
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void DebugInfoWidget::program_stopped()
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{
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m_variables_view->set_model({});
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m_backtrace_view->set_model({});
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m_registers_view->set_model({});
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}
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void DebugInfoWidget::set_debug_actions_enabled(bool enabled)
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{
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m_continue_action->set_enabled(enabled);
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m_singlestep_action->set_enabled(enabled);
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m_step_in_action->set_enabled(enabled);
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m_step_out_action->set_enabled(enabled);
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}
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}
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