factor out common debugger code

svn-id: r10984

1 files changed, 98 insertions, 0 deletions

diff --git a/common/debugger.h b/common/debugger.h
new file mode 100644
index 0000000000..f00910d8ea
--- /dev/null
+++ b/common/debugger.h
@@ -0,0 +1,98 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2002-2003 The ScummVM project
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ */
+
+#ifndef COMMON_DEBUGGER_H
+#define COMMON_DEBUGGER_H
+
+class ConsoleDialog;
+class NewGui;
+
+namespace Common {
+
+// Choose between text console or ScummConsole
+#define USE_CONSOLE	1
+
+template <class T>
+class Debugger {
+public:
+	Debugger(NewGui *gui);
+	virtual ~Debugger();
+	
+	int DebugPrintf(const char *format, ...);
+
+	virtual void onFrame();
+
+	virtual void attach(const char *entry = 0);
+	bool isAttached() const { return _isAttached; }
+
+protected:
+	typedef bool (T::*DebugProc)(int argc, const char **argv);
+	
+	enum {
+		DVAR_INT,
+		DVAR_BOOL,
+		DVAR_INTARRAY,
+		DVAR_STRING
+	};
+	
+	struct DVar {
+		char name[30];
+		void *variable;
+		int type, optional;
+	};
+	
+	struct DCmd {
+		char name[30];
+		DebugProc function;
+	};
+	
+	int _frame_countdown, _dvar_count, _dcmd_count;
+	DVar _dvars[256];
+	DCmd _dcmds[256];
+	bool _detach_now;
+
+private:
+	bool _isAttached;
+	char *_errStr;
+	bool _firstTime;
+	ConsoleDialog *_debuggerDialog;
+
+protected:
+	void detach();
+	void enter();
+
+	virtual void preEnter() = 0;
+	virtual void postEnter() = 0;
+
+	bool RunCommand(const char *input);
+	bool TabComplete(const char *input, char*& completion);
+
+	void DVar_Register(const char *varname, void *pointer, int type, int optional);
+	void DCmd_Register(const char *cmdname, DebugProc pointer);
+
+#if USE_CONSOLE
+	static bool debuggerInputCallback(ConsoleDialog *console, const char *input, void *refCon);
+	static bool debuggerCompletionCallback(ConsoleDialog *console, const char *input, char*& completion, void *refCon);
+#endif
+};
+
+}	// End of namespace Common
+
+#endif