mirror of
https://github.com/libretro/scummvm.git
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155 lines
3.3 KiB
C++
155 lines
3.3 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 MADE_SCRIPT_H
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#define MADE_SCRIPT_H
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#include "common/util.h"
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#include "common/file.h"
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#include "common/stream.h"
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namespace Made {
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class MadeEngine;
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class ScriptFunctions;
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const int kScriptStackSize = 1000;
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const int kScriptStackLimit = kScriptStackSize + 1;
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class ScriptStack {
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public:
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ScriptStack();
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~ScriptStack();
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int16 top();
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int16 pop();
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void push(int16 value = 0);
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void setTop(int16 value);
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int16 peek(int16 index);
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void poke(int16 index, int16 value);
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void alloc(int16 count);
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void free(int16 count);
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int16 getStackPos() const { return _stackPos; }
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void setStackPos(int16 stackPtr);
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int16 *getStackPtr();
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protected:
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int16 _stack[kScriptStackSize];
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int16 _stackPos;
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};
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class ScriptInterpreter {
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public:
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ScriptInterpreter(MadeEngine *vm);
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~ScriptInterpreter();
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void runScript(int16 scriptObjectIndex);
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protected:
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MadeEngine *_vm;
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ScriptStack _stack;
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int16 _localStackPos;
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int16 _runningScriptObjectIndex;
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byte *_codeBase, *_codeIp;
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bool _terminated;
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ScriptFunctions *_functions;
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byte readByte();
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int16 readInt16();
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typedef void (ScriptInterpreter::*CommandProc)();
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struct CommandEntry {
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CommandProc proc;
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const char *desc;
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};
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const CommandEntry *_commands;
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int16 _commandsMax;
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void cmd_branchTrue();
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void cmd_branchFalse();
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void cmd_branch();
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void cmd_true();
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void cmd_false();
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void cmd_push();
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void cmd_not();
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void cmd_add();
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void cmd_sub();
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void cmd_mul();
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void cmd_div();
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void cmd_mod();
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void cmd_band();
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void cmd_bor();
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void cmd_bnot();
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void cmd_lt();
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void cmd_eq();
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void cmd_gt();
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void cmd_loadConstant();
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void cmd_loadVariable();
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void cmd_getObjectProperty();
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void cmd_setObjectProperty();
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void cmd_set();
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void cmd_print();
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void cmd_terpri();
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void cmd_printNumber();
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void cmd_vref();
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void cmd_vset();
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void cmd_vsize();
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void cmd_exit();
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void cmd_return();
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void cmd_call();
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void cmd_svar();
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void cmd_sset();
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void cmd_split();
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void cmd_snlit();
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void cmd_yorn();
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void cmd_save();
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void cmd_restore();
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void cmd_arg();
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void cmd_aset();
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void cmd_tmp();
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void cmd_tset();
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void cmd_tspace();
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void cmd_class();
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void cmd_objectp();
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void cmd_vectorp();
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void cmd_restart();
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void cmd_rand();
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void cmd_randomize();
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void cmd_send();
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void cmd_extend();
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void cmd_catch();
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void cmd_cdone();
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void cmd_throw();
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void cmd_functionp();
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void cmd_le();
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void cmd_ge();
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void cmd_varx();
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void cmd_setx();
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};
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} // End of namespace Made
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#endif /* MADE_H */
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