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87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#ifndef SCI_DEBUG_H
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#define SCI_DEBUG_H
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#include "sci/engine/vm_types.h" // for StackPtr
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#include "sci/engine/vm.h" // for ExecStack
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namespace Sci {
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// These types are used both as identifiers and as elements of bitfields
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enum BreakpointType {
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/**
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* Break when selector is executed. data contains (char *) selector name
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* (in the format Object::Method)
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*/
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BREAK_SELECTOR = 1,
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/**
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* Break when an exported function is called. data contains
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* script_no << 16 | export_no.
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*/
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BREAK_EXPORT = 2
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};
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struct Breakpoint {
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BreakpointType type;
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uint32 address; ///< Breakpoints on exports
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Common::String name; ///< Breakpoints on selector names
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};
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enum DebugSeeking {
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kDebugSeekNothing = 0,
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kDebugSeekCallk = 1, // Step forward until callk is found
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kDebugSeekLevelRet = 2, // Step forward until returned from this level
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kDebugSeekSpecialCallk = 3, // Step forward until a /special/ callk is found
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kDebugSeekSO = 4, // Step forward until specified PC (after the send command) and stack depth
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kDebugSeekGlobal = 5 // Step forward until one specified global variable is modified
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};
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struct DebugState {
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bool debugging;
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bool breakpointWasHit;
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bool stopOnEvent;
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DebugSeeking seeking; // Stepping forward until some special condition is met
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int runningStep; // Set to > 0 to allow multiple stepping
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int seekLevel; // Used for seekers that want to check their exec stack depth
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int seekSpecial; // Used for special seeks
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int old_pc_offset;
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StackPtr old_sp;
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Common::List<Breakpoint> _breakpoints; //< List of breakpoints
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int _activeBreakpointTypes; //< Bit mask specifying which types of breakpoints are active
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};
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// Various global variables used for debugging are declared here
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extern int g_debug_sleeptime_factor;
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extern int g_debug_simulated_key;
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extern bool g_debug_track_mouse_clicks;
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extern DebugState g_debugState;
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} // End of namespace Sci
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#endif
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