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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.8 by root, Sun Aug 27 16:15:12 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)
… …
61#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) 89#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o)
62 90
63// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 91// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
64 92
65// all these return true when the normal event processing should be skipped (if any) 93// all these return true when the normal event processing should be skipped (if any)
66#define INVOKE(klass, event, ...) cfperl_invoke (EVENT_ ## klass ## _ ## event, ## __VA_ARGS__, DT_END) 94#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
67 95
96#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
68#define INVOKE_GLOBAL(event, ...) INVOKE (GLOBAL, event, ## __VA_ARGS__) 97#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
69#define INVOKE_OBJECT(event, op, ...) INVOKE (OBJECT, event, ARG_OBJECT (op), ## __VA_ARGS__) 98#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__)
70#define INVOKE_PLAYER(event, pl, ...) INVOKE (PLAYER, event, ARG_PLAYER (pl), ## __VA_ARGS__) 99#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__)
71#define INVOKE_MAP(event, map, ...) INVOKE (MAP , event, ARG_MAP (map) , ## __VA_ARGS__) 100#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__)
72 101
73//TODO should index into @result 102//TODO should index into @result
74#define RESULT(idx,type) cfperl_result_ ## type (idx) 103#define RESULT(idx,type) cfperl_result_ ## type (idx)
75#define RESULT_INT(idx) RESULT(idx, INT) 104#define RESULT_INT(idx) RESULT(idx, INT)
76 105
77bool cfperl_invoke (event_type event, ...); 106bool cfperl_invoke (event_type event, ...);
78int cfperl_result_INT (int idx); 107int cfperl_result_INT (int idx);
79 108
80struct extendable_base 109struct attachable_base
81{ 110{
82 void *self, *cb; // CF+ perl self and callback 111 SV *self;
112 AV *cb; // CF+ perl self and callback
83 const char *attach; // generic extension attachment information 113 const char *attach; // generic extension attachment information
84 114
85 void clear (); // called when free'ing objects 115 void clear (); // called when free'ing objects
86 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);
87 118
88 void extendable_init () 119 void attachable_init ()
89 { 120 {
90 self = cb = 0; 121 self = 0;
122 cb = 0;
91 attach = 0; 123 attach = 0;
92 } 124 }
93}; 125};
94 126
95// objects extendable from perl (or any other extension) should include or 127// objects attachable from perl (or any other extension) should include or
96// derive using the curiously recurring template pattern, to avoid 128// derive using the curiously recurring template pattern, to avoid
97// virtual method calls etc. 129// virtual method calls etc.
98template<class subclass> 130template<class subclass>
99struct extendable : extendable_base 131struct attachable : attachable_base
100{ 132{
101 static data_type get_dt () 133 static data_type get_dt ()
102 { 134 {
103 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));
104 } 142 }
105}; 143};
106 144
107struct object_freezer 145struct object_freezer
108{ 146{
109 const char *filename; 147 AV *av;
110 void *av; 148 SV *text;
111 int idx;
112 149
113 object_freezer (const char *filename); 150 object_freezer ();
114 ~object_freezer (); 151 ~object_freezer ();
115 152
116 void put (extendable_base *ext); 153 void put (attachable_base *ext);
117 154
118 template<class subclass> 155 template<class subclass>
119 void put (extendable<subclass> *obj) 156 void put (attachable<subclass> *obj)
120 { 157 {
121 put ((extendable_base *)obj); 158 put ((attachable_base *)obj);
122 } 159 }
123 160
124 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) { }
125}; 176};
126 177
127struct object_thawer 178struct object_thawer
128{ 179{
129 void *av; 180 AV *av;
130 int idx; 181 FILE *fp;
182 char line[1024];
131 183
132 object_thawer (const char *filename = 0); 184 object_thawer (const char *filename = 0);
133 ~object_thawer (); 185 ~object_thawer ();
134 186
135 void get (data_type type, void *obj, extendable_base *ext); 187 void get (data_type type, void *obj, attachable_base *ext, int oid);
136 188
137 template<class subclass> 189 template<class subclass>
138 void get (extendable<subclass> *obj) 190 void get (attachable<subclass> *obj, int oid)
139 { 191 {
140 if (av) 192 if (av)
141 get (subclass::get_dt (), (subclass *)obj, obj); 193 get (subclass::get_dt (), (subclass *)obj, obj, oid);
142 } 194 }
143 195
144 void finish (); 196 token get_token ();
197
198 operator FILE *() { return fp; }
145}; 199};
146 200
147#endif 201#endif
148 202

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