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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.7 by root, Sat Aug 26 23:36:32 2006 UTC vs.
Revision 1.19 by root, Thu Aug 31 17:54:14 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
7struct pl; 7#include <cstdio>
8struct object; 8
9struct mapstruct; 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
10 29
11void cfperl_init (); 30void cfperl_init ();
31void cfperl_boot ();
12void cfperl_main (); 32void cfperl_main ();
13
14// could have used templates, but a more traditional C api
15// uses more explicit typing which is ok for this purpose.
16enum data_type
17{
18 DT_END, // no further arguments
19 DT_INT,
20 DT_INT64,
21 DT_DOUBLE,
22 DT_STRING, // 0-terminated string
23 DT_DATA, // string + length
24 DT_OBJECT,
25 DT_MAP,
26 DT_PLAYER,
27 DT_ARCH,
28 DT_PARTY,
29 DT_REGION,
30 DT_AV, // av that needs to be flattened out
31};
32 33
33enum event_klass 34enum event_klass
34{ 35{
36 KLASS_NONE,
35 KLASS_GLOBAL, 37 KLASS_GLOBAL,
36 KLASS_PLAYER, 38 KLASS_PLAYER,
37 KLASS_OBJECT, 39 KLASS_OBJECT,
38 KLASS_MAP, 40 KLASS_MAP,
39}; 41};
… …
44# include "eventinc.h" 46# include "eventinc.h"
45# undef def 47# undef def
46 NUM_EVENT_TYPES 48 NUM_EVENT_TYPES
47}; 49};
48 50
51#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
49#define ARG_INT(v) DT_INT , static_cast<int> (v) 52#define ARG_INT(v) DT_INT , static_cast<int> (v)
50#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 53#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
51#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 54#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
52#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 55#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v)
53#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l) 56#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l)
… …
59#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) 62#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o)
60 63
61// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 64// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
62 65
63// all these return true when the normal event processing should be skipped (if any) 66// all these return true when the normal event processing should be skipped (if any)
64#define INVOKE(klass, event, ...) cfperl_invoke (EVENT_ ## klass ## _ ## event, ## __VA_ARGS__, DT_END) 67#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
65 68
69#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
66#define INVOKE_GLOBAL(event, ...) INVOKE (GLOBAL, event, ## __VA_ARGS__) 70#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
67#define INVOKE_OBJECT(event, op, ...) INVOKE (OBJECT, event, ARG_OBJECT (op), ## __VA_ARGS__) 71#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__)
68#define INVOKE_PLAYER(event, pl, ...) INVOKE (PLAYER, event, ARG_PLAYER (pl), ## __VA_ARGS__) 72#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__)
69#define INVOKE_MAP(event, map, ...) INVOKE (MAP , event, ARG_MAP (map) , ## __VA_ARGS__) 73#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__)
70 74
71//TODO should index into @result 75//TODO should index into @result
72#define RESULT(idx,type) cfperl_result_ ## type (idx) 76#define RESULT(idx,type) cfperl_result_ ## type (idx)
73#define RESULT_INT(idx) RESULT(idx, INT) 77#define RESULT_INT(idx) RESULT(idx, INT)
74 78
75bool cfperl_invoke (event_type event, ...); 79bool cfperl_invoke (event_type event, ...);
76int cfperl_result_INT (int idx); 80int cfperl_result_INT (int idx);
77 81
78struct extendable_base 82struct attachable_base
79{ 83{
80 void *self, *cb; // CF+ perl self and callback 84 SV *self;
85 AV *cb; // CF+ perl self and callback
81 const char *attach; // generic extension attachment information 86 const char *attach; // generic extension attachment information
82 87
83 void clear (); // called when free'ing objects 88 void clear (); // called when free'ing objects
84 void optimise (); // possibly save some memory by destroying unneeded data 89 void optimise (); // possibly save some memory by destroying unneeded data
85 void reattach (data_type type, void *self); // called after swapin 90 void instantiate (data_type type, void *obj);
91
92 void attachable_init ()
93 {
94 self = 0;
95 cb = 0;
96 attach = 0;
97 }
86}; 98};
87 99
88// objects extendable from perl (or any other extension) should include or 100// objects attachable from perl (or any other extension) should include or
89// derive using the curiously recurring template pattern, to avoid 101// derive using the curiously recurring template pattern, to avoid
90// virtual method calls etc. 102// virtual method calls etc.
91template<class subclass> 103template<class subclass>
92struct extendable : extendable_base 104struct attachable : attachable_base
93{ 105{
94 void reattach () 106 void instantiate ()
95 { 107 {
96 if (attach) 108 if (attach)
97 extendable_base::reattach ( 109 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
98 static_cast<subclass *>(this)->get_dt (),
99 static_cast<subclass *>(this)
100 );
101 } 110 }
102}; 111};
103 112
104struct object_freezer 113struct object_freezer : dynbuf
105{ 114{
106 const char *filename; 115 AV *av;
107 void *av;
108 116
109 object_freezer (const char *filename) : filename (filename) { } 117 object_freezer ();
118 ~object_freezer ();
119
110 void put (extendable_base *object); 120 void put (attachable_base *ext);
111 void finish (); 121
122 template<class subclass>
123 void put (attachable<subclass> *obj)
124 {
125 put ((attachable_base *)obj);
126 }
127
128 void put (const char *k, const char *v); //TODO//temporary
129 void put (const char *k, int v); //TODO//temporary
130
131 void put (keyword k, const char *v);
132 void put (keyword k, double v);
133 void put (keyword k, float v) { put (k, (double)v); }
134
135 void put_ (keyword k, sint32 v);
136 void put_ (keyword k, sint64 v);
137
138 void put (keyword k, signed char v) { put_(k, (sint32)v); }
139 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
140 void put (keyword k, signed short v) { put_(k, (sint32)v); }
141 void put (keyword k, unsigned short v) { put_(k, (sint32)v); }
142 void put (keyword k, signed int v) { put_(k, (sint32)v); }
143 void put (keyword k, unsigned int v) { put_(k, (sint64)v); }
144 void put (keyword k, signed long v) { put_(k, (sint64)v); }
145 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
146 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
147 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
148
149 void put (keyword kbeg, keyword kend, const char *v); // multiline
150
151 template<typename T>
152 void put (keyword k, T *v)
153 {
154 put (k, v ? (const char *)v->name : 0);
155 }
156
157 bool save (const char *filename);
158
159 operator bool () { return !!av; }
160};
161
162// compatibility support, should be removed when no longer needed
163int fprintf (object_freezer &freezer, const char *format, ...);
164int fputs (const char *s, object_freezer &freezer);
165
166// a single key-value line from a file
167struct token {
168 keyword k;
169 const char *v;
170
171 token (keyword k, const char *v = 0) : k(k), v(v) { }
112}; 172};
113 173
114struct object_thawer 174struct object_thawer
115{ 175{
116 void *av; 176 AV *av;
177 FILE *fp;
178 char line[1024];
117 179
118 object_thawer (const char *filename); 180 object_thawer (const char *filename = 0);
119 void get (extendable_base *object); 181 ~object_thawer ();
120 void finish (); 182
183 void get (data_type type, void *obj, attachable_base *ext, int oid);
184
185 template<class subclass>
186 void get (attachable<subclass> *obj, int oid)
187 {
188 if (av)
189 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
190 }
191
192 token get_token ();
193
194 operator FILE *() { return fp; }
121}; 195};
122 196
123#endif 197#endif
124 198

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