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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 1.16 by root, Wed Aug 30 16:30:37 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// optimisations/workaround for functions requiring my_perl in scope (anti-bloat)
15#undef localtime
16#undef srand48
17#undef drand48
18#undef srandom
19#undef readdir
20#undef getprotobyname
21#undef gethostbyname
22#undef ctime
23#undef strerror
24
25// perl bug #40256: perl does overwrite those with reentrant versions
26// but does not initialise their state structures.
27#undef random
28#undef crypt
29
7struct pl; 30struct pl;
8struct object; 31struct object;
9struct mapstruct; 32struct mapstruct;
10 33
11void cfperl_init (); 34void cfperl_init ();
35void cfperl_boot ();
12void cfperl_main (); 36void cfperl_main ();
13 37
14// could have used templates, but a more traditional C api 38// could have used templates, but a more traditional C api
15// uses more explicit typing which is ok for this purpose. 39// uses more explicit typing which is ok for this purpose.
16enum data_type 40enum data_type
17{ 41{
18 DT_END, // no further arguments 42 DT_END, // no further arguments
43 DT_AV, // perl-only av that needs to be flattened out
19 DT_INT, 44 DT_INT,
20 DT_INT64, 45 DT_INT64,
21 DT_DOUBLE, 46 DT_DOUBLE,
22 DT_STRING, // 0-terminated string 47 DT_STRING, // 0-terminated string
23 DT_DATA, // string + length 48 DT_DATA, // string + length
… …
25 DT_MAP, 50 DT_MAP,
26 DT_PLAYER, 51 DT_PLAYER,
27 DT_ARCH, 52 DT_ARCH,
28 DT_PARTY, 53 DT_PARTY,
29 DT_REGION, 54 DT_REGION,
30 DT_AV, // av that needs to be flattened out
31 55
32 NUM_DATA_TYPES 56 NUM_DATA_TYPES
33}; 57};
34 58
35enum event_klass 59enum event_klass
36{ 60{
61 KLASS_NONE,
37 KLASS_GLOBAL, 62 KLASS_GLOBAL,
38 KLASS_PLAYER, 63 KLASS_PLAYER,
39 KLASS_OBJECT, 64 KLASS_OBJECT,
40 KLASS_MAP, 65 KLASS_MAP,
41}; 66};
… …
46# include "eventinc.h" 71# include "eventinc.h"
47# undef def 72# undef def
48 NUM_EVENT_TYPES 73 NUM_EVENT_TYPES
49}; 74};
50 75
76#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
51#define ARG_INT(v) DT_INT , static_cast<int> (v) 77#define ARG_INT(v) DT_INT , static_cast<int> (v)
52#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 78#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
53#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 79#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
54#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 80#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) 81#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) 87#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o)
62 88
63// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 89// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
64 90
65// all these return true when the normal event processing should be skipped (if any) 91// 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) 92#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
67 93
94#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
68#define INVOKE_GLOBAL(event, ...) INVOKE (GLOBAL, event, ## __VA_ARGS__) 95#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
69#define INVOKE_OBJECT(event, op, ...) INVOKE (OBJECT, event, ARG_OBJECT (op), ## __VA_ARGS__) 96#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__) 97#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__) 98#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__)
72 99
73//TODO should index into @result 100//TODO should index into @result
74#define RESULT(idx,type) cfperl_result_ ## type (idx) 101#define RESULT(idx,type) cfperl_result_ ## type (idx)
75#define RESULT_INT(idx) RESULT(idx, INT) 102#define RESULT_INT(idx) RESULT(idx, INT)
76 103
77bool cfperl_invoke (event_type event, ...); 104bool cfperl_invoke (event_type event, ...);
78int cfperl_result_INT (int idx); 105int cfperl_result_INT (int idx);
79 106
80struct extendable_base 107struct attachable_base
81{ 108{
82 void *self, *cb; // CF+ perl self and callback 109 struct sv *self;
110 struct av *cb; // CF+ perl self and callback
83 const char *attach; // generic extension attachment information 111 const char *attach; // generic extension attachment information
84 112
85 void clear (); // called when free'ing objects 113 void clear (); // called when free'ing objects
86 void optimise (); // possibly save some memory by destroying unneeded data 114 void optimise (); // possibly save some memory by destroying unneeded data
115 void instantiate (data_type type, void *obj);
87 116
88 void extendable_init () 117 void attachable_init ()
89 { 118 {
90 self = cb = 0; 119 self = 0;
120 cb = 0;
91 attach = 0; 121 attach = 0;
92 } 122 }
93}; 123};
94 124
95// objects extendable from perl (or any other extension) should include or 125// objects attachable from perl (or any other extension) should include or
96// derive using the curiously recurring template pattern, to avoid 126// derive using the curiously recurring template pattern, to avoid
97// virtual method calls etc. 127// virtual method calls etc.
98template<class subclass> 128template<class subclass>
99struct extendable : extendable_base 129struct attachable : attachable_base
100{ 130{
101 static data_type get_dt () 131 static data_type get_dt ()
102 { 132 {
103 subclass::get_dt (); 133 return subclass::get_dt ();
134 }
135
136 void instantiate ()
137 {
138 if (attach)
139 attachable_base::instantiate (get_dt (), static_cast<subclass *>(this));
104 } 140 }
105}; 141};
106 142
107struct object_freezer 143struct object_freezethaw
108{ 144{
109 const char *filename; 145 struct av *av;
110 void *av; 146};
111 int idx; 147
148struct object_freezer : object_freezethaw
149{
150 struct sv *text;
151 void *filename;
112 152
113 object_freezer (const char *filename); 153 object_freezer (const char *filename);
114 ~object_freezer (); 154 ~object_freezer ();
115 155
116 void put (extendable_base *ext); 156 void put (attachable_base *ext);
117 157
118 template<class subclass> 158 template<class subclass>
119 void put (extendable<subclass> *obj) 159 void put (attachable<subclass> *obj)
120 { 160 {
121 put ((extendable_base *)obj); 161 put ((attachable_base *)obj);
122 } 162 }
123 163
124 void finish (); 164 operator bool () { return !!av; }
125}; 165};
126 166
127struct object_thawer 167struct object_thawer : object_freezethaw
128{ 168{
129 void *av; 169 FILE *fp;
130 int idx;
131 170
132 object_thawer (const char *filename = 0); 171 object_thawer (const char *filename = 0);
133 ~object_thawer (); 172 ~object_thawer ();
134 173
135 void get (data_type type, void *obj, extendable_base *ext); 174 void get (data_type type, void *obj, attachable_base *ext, int oid);
136 175
137 template<class subclass> 176 template<class subclass>
138 void get (extendable<subclass> *obj) 177 void get (attachable<subclass> *obj, int oid)
139 { 178 {
140 if (av) 179 if (av)
141 get (subclass::get_dt (), (subclass *)obj, obj); 180 get (subclass::get_dt (), (subclass *)obj, obj, oid);
142 } 181 }
143 182
144 void finish (); 183 operator FILE *() { return fp; }
145}; 184};
185
186// compatibility support, should be removed when no longer needed
187int fprintf (object_freezer &freezer, const char *format, ...);
188int fputs (const char *s, object_freezer &freezer);
146 189
147#endif 190#endif
148 191

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