1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#ifndef SCRIPT_H
#define SCRIPT_H
#include "sci/include/sciresource.h"
namespace Sci {
/*#define SCRIPT_DEBUG */
#define SCI_SCRIPTS_NR 1000
typedef struct script_opcode_ {
unsigned opcode;
int arg1, arg2, arg3;
int pos, size;
} script_opcode;
typedef enum {
sci_obj_terminator,
sci_obj_object,
sci_obj_code,
sci_obj_synonyms,
sci_obj_said,
sci_obj_strings,
sci_obj_class,
sci_obj_exports,
sci_obj_pointers,
sci_obj_preload_text, /* This is really just a flag. */
sci_obj_localvars
} script_object_types;
void script_dissect(ResourceManager *resmgr, int res_no, char **snames, int snames_nr);
/* Opcode formats as used by script.c */
typedef enum {
Script_Invalid = -1,
Script_None = 0,
Script_Byte,
Script_SByte,
Script_Word,
Script_SWord,
Script_Variable,
Script_SVariable,
Script_SRelative,
Script_Property,
Script_Global,
Script_Local,
Script_Temp,
Script_Param,
Script_Offset,
Script_End
} opcode_format;
typedef enum { /* FIXME */
op_bnot = 0,
op_add,
op_sub,
op_mul,
op_div,
op_mod,
op_shr,
op_shl,
op_xor,
op_and,
op_or,
op_neg,
op_not,
op_eq,
op_ne_,
op_gt_,
op_ge_,
op_lt_,
op_le_,
op_ugt_,
op_uge_,
op_ult_,
op_ule_,
op_bt,
op_bnt,
op_jmp,
op_ldi,
op_push,
op_pushi,
op_toss,
op_dup,
op_link,
op_call = 0x20,
op_callk,
op_callb,
op_calle,
op_ret,
op_send,
op_class = 0x28,
op_self = 0x2a,
op_super,
op_rest,
op_lea,
op_selfID,
op_pprev = 0x30,
op_pToa,
op_aTop,
op_pTos,
op_sTop,
op_ipToa,
op_dpToa,
op_ipTos,
op_dpTos,
op_lofsa,
op_lofss,
op_push0,
op_push1,
op_push2,
op_pushSelf,
op_lag = 0x40,
op_lal,
op_lat,
op_lap,
op_lagi,
op_lali,
op_lati,
op_lapi,
op_lsg,
op_lsl,
op_lst,
op_lsp,
op_lsgi,
op_lsli,
op_lsti,
op_lspi,
op_sag,
op_sal,
op_sat,
op_sap,
op_sagi,
op_sali,
op_sati,
op_sapi,
op_ssg,
op_ssl,
op_sst,
op_ssp,
op_ssgi,
op_ssli,
op_ssti,
op_sspi,
op_plusag,
op_plusal,
op_plusat,
op_plusap,
op_plusagi,
op_plusali,
op_plusati,
op_plusapi,
op_plussg,
op_plussl,
op_plusst,
op_plussp,
op_plussgi,
op_plussli,
op_plussti,
op_plusspi,
op_minusag,
op_minusal,
op_minusat,
op_minusap,
op_minusagi,
op_minusali,
op_minusati,
op_minusapi,
op_minussg,
op_minussl,
op_minusst,
op_minussp,
op_minussgi,
op_minussli,
op_minussti,
op_minusspi
} sci_opcodes;
extern opcode_format formats[128][4];
void script_adjust_opcode_formats(int res_version);
int script_find_selector(EngineState *s, const char *selector_name);
/* Determines the selector ID of a selector by its name
** Parameters: (state_t *) s: VM state
** (char *) selector_name: Name of the selector to look up
** Returns : (int) The appropriate selector ID, or -1 on error
*/
void script_free_breakpoints(EngineState *s);
} // End of namespace Sci
#endif
|
