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◆ main openmsx / src / imgui / ImGuiDebugger.hh
4.0 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
e8555c89 Andy McCall 1 
#ifndef IMGUI_DEBUGGER_HH
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#define IMGUI_DEBUGGER_HH
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#include "FileListWidget.hh"
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#include "ImGuiPart.hh"
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#include "CPURegs.hh"
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#include "EmuTime.hh"
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#include <array>
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#include <cstdint>
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#include <memory>
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#include <optional>
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#include <vector>
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namespace openmsx {
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class DebuggableEditor;
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class Debugger;
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class ImGuiBitmapViewer;
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class ImGuiCharacter;
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class ImGuiDisassembly;
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class ImGuiSpriteViewer;
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class MSXCPUInterface;
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class ImGuiDebugger final : public ImGuiPart
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{
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public:
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	struct PageInfo {
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		uint8_t ps = 0;
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		std::optional<uint8_t> ss;
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		std::string segment;
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	};
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	using SlotInfo = std::array<PageInfo, 4>;
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public:
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	explicit ImGuiDebugger(ImGuiManager& manager);
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	~ImGuiDebugger();
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	static void loadIcons();
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	[[nodiscard]] zstring_view iniName() const override { return "debugger"; }
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	void save(ImGuiTextBuffer& buf) override;
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	void loadStart() override;
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	void loadEnd() override;
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	void loadLine(std::string_view name, zstring_view value) override;
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	void showMenu(MSXMotherBoard* motherBoard) override;
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	void paint(MSXMotherBoard* motherBoard) override;
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	void signalBreak();
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	void signalContinue();
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	void signalQuit();
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	void setGotoTarget(uint16_t target);
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	void checkShortcuts(MSXCPUInterface& cpuInterface, MSXMotherBoard& motherBoard,
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	                    ImGuiDisassembly* disassembly);
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	[[nodiscard]] bool needSnapshot() const { return showChanges == SHOW_ALWAYS; }
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	[[nodiscard]] bool needDrawChanges() const;
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	[[nodiscard]] auto getChangesColor() const { return ImGui::ColorConvertFloat4ToU32(changesColor); }
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	void configureChangesMenu();
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private:
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	SlotInfo getSlotInfo(MSXCPUInterface& cpuInterface, Debugger& debugger) const;
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	void drawControl(MSXCPUInterface& cpuInterface, MSXMotherBoard& motherBoard);
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	void drawSlots(MSXCPUInterface& cpuInterface, Debugger& debugger);
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	void drawStack(const CPURegs& regs, const MSXCPUInterface& cpuInterface, EmuTime time);
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	void drawRegisters(CPURegs& regs);
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	void drawFlags(CPURegs& regs);
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	void actionBreakContinue(MSXCPUInterface& cpuInterface);
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	void actionStepIn(MSXCPUInterface& cpuInterface);
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	void actionStepOver();
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	void actionStepOut();
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	void actionStepBack();
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	enum LoadSave { LOAD, SAVE };
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	void loadSaveBreakpoints(LoadSave loadSave);
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private:
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	std::vector<std::unique_ptr<ImGuiDisassembly>> disassemblyViewers;
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	std::vector<std::unique_ptr<ImGuiBitmapViewer>> bitmapViewers;
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	std::vector<std::unique_ptr<ImGuiCharacter>> tileViewers;
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	std::vector<std::unique_ptr<ImGuiSpriteViewer>> spriteViewers;
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	std::vector<std::unique_ptr<DebuggableEditor>> hexEditors; // sorted on 'getDebuggableName()'
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	std::optional<SlotInfo> slotSnapshot;
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	std::optional<CPURegs> cpuRegsSnapshot;
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	int showChangesFrameCounter = 0;
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	enum ShowChanges : int { SHOW_NEVER, SHOW_DURING_BREAK, SHOW_ALWAYS };
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	int showChanges = SHOW_DURING_BREAK;
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	gl::vec4 changesColor{1.0f, 0.0f, 0.0f, 1.0f}; // RGBA
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	bool showControl = false;
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	bool showSlots = false;
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	bool showStack = false;
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	bool showRegisters = false;
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	bool showFlags = false;
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	bool showXYFlags = false;
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	int flagsLayout = 1;
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	std::string breakpointFile;
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	bool reloadBreakpoints = false;
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	FileListWidget saveBreakpoints;
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	FileListWidget loadBreakpoints;
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	static constexpr auto persistentElements = std::tuple{
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		PersistentElement{"showControl",       &ImGuiDebugger::showControl},
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		PersistentElement{"showRegisters",     &ImGuiDebugger::showRegisters},
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		PersistentElement{"showSlots",         &ImGuiDebugger::showSlots},
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		PersistentElement{"showStack",         &ImGuiDebugger::showStack},
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		PersistentElement{"showFlags",         &ImGuiDebugger::showFlags},
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		PersistentElement{"showXYFlags",       &ImGuiDebugger::showXYFlags},
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		PersistentElementMax{"flagsLayout",    &ImGuiDebugger::flagsLayout, 2},
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		PersistentElement{"showChanges",       &ImGuiDebugger::showChanges},
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		PersistentElement{"changesColor",      &ImGuiDebugger::changesColor},
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		PersistentElement{"breakpointFile",    &ImGuiDebugger::breakpointFile},
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		PersistentElement{"reloadBreakpoints", &ImGuiDebugger::reloadBreakpoints},
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		// manually handle "showDebuggable.xxx"
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	};
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};
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} // namespace openmsx
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#endif