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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.9 by root, Sun Aug 27 15:24:21 2006 UTC vs.
Revision 1.17 by root, Thu Aug 31 06:23:19 2006 UTC

… …
2// cfperl.h perl interface 2// cfperl.h perl interface
3// 3//
4#ifndef CFPERL_H__ 4#ifndef CFPERL_H__
5#define CFPERL_H__ 5#define CFPERL_H__
6 6
7#include <cstdio>
8
9using namespace std;
10
11#include <EXTERN.h>
12#include <perl.h>
13
14#include "keyword.h"
15
16// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
17#undef localtime
18#undef srand48
19#undef drand48
20#undef srandom
21#undef readdir
22#undef getprotobyname
23#undef gethostbyname
24#undef ctime
25#undef strerror
26
27// perl bug #40256: perl does overwrite those with reentrant versions
28// but does not initialise their state structures.
29#undef random
30#undef crypt
31
7struct pl; 32struct pl;
8struct object; 33struct object;
9struct mapstruct; 34struct mapstruct;
10 35
11void cfperl_init (); 36void cfperl_init ();
37void cfperl_boot ();
12void cfperl_main (); 38void cfperl_main ();
13 39
14// could have used templates, but a more traditional C api 40// could have used templates, but a more traditional C api
15// uses more explicit typing which is ok for this purpose. 41// uses more explicit typing which is ok for this purpose.
16enum data_type 42enum data_type
17{ 43{
18 DT_END, // no further arguments 44 DT_END, // no further arguments
45 DT_AV, // perl-only av that needs to be flattened out
19 DT_INT, 46 DT_INT,
20 DT_INT64, 47 DT_INT64,
21 DT_DOUBLE, 48 DT_DOUBLE,
22 DT_STRING, // 0-terminated string 49 DT_STRING, // 0-terminated string
23 DT_DATA, // string + length 50 DT_DATA, // string + length
… …
25 DT_MAP, 52 DT_MAP,
26 DT_PLAYER, 53 DT_PLAYER,
27 DT_ARCH, 54 DT_ARCH,
28 DT_PARTY, 55 DT_PARTY,
29 DT_REGION, 56 DT_REGION,
30 DT_AV, // av that needs to be flattened out
31 57
32 NUM_DATA_TYPES 58 NUM_DATA_TYPES
33}; 59};
34 60
35enum event_klass 61enum event_klass
36{ 62{
63 KLASS_NONE,
37 KLASS_GLOBAL, 64 KLASS_GLOBAL,
38 KLASS_PLAYER, 65 KLASS_PLAYER,
39 KLASS_OBJECT, 66 KLASS_OBJECT,
40 KLASS_MAP, 67 KLASS_MAP,
41}; 68};
… …
46# include "eventinc.h" 73# include "eventinc.h"
47# undef def 74# undef def
48 NUM_EVENT_TYPES 75 NUM_EVENT_TYPES
49}; 76};
50 77
78#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
51#define ARG_INT(v) DT_INT , static_cast<int> (v) 79#define ARG_INT(v) DT_INT , static_cast<int> (v)
52#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 80#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
53#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 81#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
54#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 82#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
55#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l) 83#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l)
… …
76#define RESULT_INT(idx) RESULT(idx, INT) 104#define RESULT_INT(idx) RESULT(idx, INT)
77 105
78bool cfperl_invoke (event_type event, ...); 106bool cfperl_invoke (event_type event, ...);
79int cfperl_result_INT (int idx); 107int cfperl_result_INT (int idx);
80 108
81struct extendable_base 109struct attachable_base
82{ 110{
83 void *self, *cb; // CF+ perl self and callback 111 SV *self;
112 AV *cb; // CF+ perl self and callback
84 const char *attach; // generic extension attachment information 113 const char *attach; // generic extension attachment information
85 114
86 void clear (); // called when free'ing objects 115 void clear (); // called when free'ing objects
87 void optimise (); // possibly save some memory by destroying unneeded data 116 void optimise (); // possibly save some memory by destroying unneeded data
117 void instantiate (data_type type, void *obj);
88 118
89 void extendable_init () 119 void attachable_init ()
90 { 120 {
91 self = cb = 0; 121 self = 0;
122 cb = 0;
92 attach = 0; 123 attach = 0;
93 } 124 }
94}; 125};
95 126
96// objects extendable from perl (or any other extension) should include or 127// objects attachable from perl (or any other extension) should include or
97// derive using the curiously recurring template pattern, to avoid 128// derive using the curiously recurring template pattern, to avoid
98// virtual method calls etc. 129// virtual method calls etc.
99template<class subclass> 130template<class subclass>
100struct extendable : extendable_base 131struct attachable : attachable_base
101{ 132{
102 static data_type get_dt () 133 static data_type get_dt ()
103 { 134 {
104 subclass::get_dt (); 135 return subclass::get_dt ();
136 }
137
138 void instantiate ()
139 {
140 if (attach)
141 attachable_base::instantiate (get_dt (), static_cast<subclass *>(this));
105 } 142 }
106}; 143};
107 144
108struct object_freezer 145struct object_freezer
109{ 146{
110 const char *filename; 147 AV *av;
111 void *av; 148 SV *text;
112 int idx;
113 149
114 object_freezer (const char *filename); 150 object_freezer ();
115 ~object_freezer (); 151 ~object_freezer ();
116 152
117 void put (extendable_base *ext); 153 void put (attachable_base *ext);
118 154
119 template<class subclass> 155 template<class subclass>
120 void put (extendable<subclass> *obj) 156 void put (attachable<subclass> *obj)
121 { 157 {
122 put ((extendable_base *)obj); 158 put ((attachable_base *)obj);
123 } 159 }
124 160
125 void finish (); 161 bool save (const char *filename);
162
163 operator bool () { return !!av; }
164};
165
166// compatibility support, should be removed when no longer needed
167int fprintf (object_freezer &freezer, const char *format, ...);
168int fputs (const char *s, object_freezer &freezer);
169
170// a single key-value line from a file
171struct token {
172 keyword k;
173 const char *v;
174
175 token (keyword k, const char *v = 0) : k(k), v(v) { }
126}; 176};
127 177
128struct object_thawer 178struct object_thawer
129{ 179{
130 void *av; 180 AV *av;
131 int idx; 181 FILE *fp;
182 char line[1024];
132 183
133 object_thawer (const char *filename = 0); 184 object_thawer (const char *filename = 0);
134 ~object_thawer (); 185 ~object_thawer ();
135 186
136 void get (data_type type, void *obj, extendable_base *ext); 187 void get (data_type type, void *obj, attachable_base *ext, int oid);
137 188
138 template<class subclass> 189 template<class subclass>
139 void get (extendable<subclass> *obj) 190 void get (attachable<subclass> *obj, int oid)
140 { 191 {
141 if (av) 192 if (av)
142 get (subclass::get_dt (), (subclass *)obj, obj); 193 get (subclass::get_dt (), (subclass *)obj, obj, oid);
143 } 194 }
144 195
145 void finish (); 196 token get_token ();
197
198 operator FILE *() { return fp; }
146}; 199};
147 200
148#endif 201#endif
149 202

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