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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 1.19 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 NUM_DATA_TYPES
33};
34 33
35enum event_klass 34enum event_klass
36{ 35{
36 KLASS_NONE,
37 KLASS_GLOBAL, 37 KLASS_GLOBAL,
38 KLASS_PLAYER, 38 KLASS_PLAYER,
39 KLASS_OBJECT, 39 KLASS_OBJECT,
40 KLASS_MAP, 40 KLASS_MAP,
41}; 41};
… …
46# include "eventinc.h" 46# include "eventinc.h"
47# undef def 47# undef def
48 NUM_EVENT_TYPES 48 NUM_EVENT_TYPES
49}; 49};
50 50
51#define ARG_AV(o) DT_AV , static_cast<AV *> (o)
51#define ARG_INT(v) DT_INT , static_cast<int> (v) 52#define ARG_INT(v) DT_INT , static_cast<int> (v)
52#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) 53#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v)
53#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) 54#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v)
54#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) 55#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) 56#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) 62#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o)
62 63
63// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 64// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
64 65
65// 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)
66#define INVOKE(klass, event, ...) cfperl_invoke (EVENT_ ## klass ## _ ## event, ## __VA_ARGS__, DT_END) 67#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END)
67 68
69#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__)
68#define INVOKE_GLOBAL(event, ...) INVOKE (GLOBAL, event, ## __VA_ARGS__) 70#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
69#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__)
70#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__)
71#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__)
72 74
73//TODO should index into @result 75//TODO should index into @result
74#define RESULT(idx,type) cfperl_result_ ## type (idx) 76#define RESULT(idx,type) cfperl_result_ ## type (idx)
75#define RESULT_INT(idx) RESULT(idx, INT) 77#define RESULT_INT(idx) RESULT(idx, INT)
76 78
77bool cfperl_invoke (event_type event, ...); 79bool cfperl_invoke (event_type event, ...);
78int cfperl_result_INT (int idx); 80int cfperl_result_INT (int idx);
79 81
80struct extendable_base 82struct attachable_base
81{ 83{
82 void *self, *cb; // CF+ perl self and callback 84 SV *self;
85 AV *cb; // CF+ perl self and callback
83 const char *attach; // generic extension attachment information 86 const char *attach; // generic extension attachment information
84 87
85 void clear (); // called when free'ing objects 88 void clear (); // called when free'ing objects
86 void optimise (); // possibly save some memory by destroying unneeded data 89 void optimise (); // possibly save some memory by destroying unneeded data
90 void instantiate (data_type type, void *obj);
87 91
88 void extendable_init () 92 void attachable_init ()
89 { 93 {
90 self = cb = 0; 94 self = 0;
95 cb = 0;
91 attach = 0; 96 attach = 0;
92 } 97 }
93}; 98};
94 99
95// objects extendable from perl (or any other extension) should include or 100// objects attachable from perl (or any other extension) should include or
96// derive using the curiously recurring template pattern, to avoid 101// derive using the curiously recurring template pattern, to avoid
97// virtual method calls etc. 102// virtual method calls etc.
98template<class subclass> 103template<class subclass>
99struct extendable : extendable_base 104struct attachable : attachable_base
100{ 105{
101 static data_type get_dt () 106 void instantiate ()
102 { 107 {
103 subclass::get_dt (); 108 if (attach)
109 attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this));
104 } 110 }
105}; 111};
106 112
107struct object_freezer 113struct object_freezer : dynbuf
108{ 114{
109 const char *filename; 115 AV *av;
110 void *av;
111 int idx;
112 116
113 object_freezer (const char *filename); 117 object_freezer ();
114 ~object_freezer (); 118 ~object_freezer ();
115 119
116 void put (extendable_base *ext); 120 void put (attachable_base *ext);
117 121
118 template<class subclass> 122 template<class subclass>
119 void put (extendable<subclass> *obj) 123 void put (attachable<subclass> *obj)
120 { 124 {
121 put ((extendable_base *)obj); 125 put ((attachable_base *)obj);
122 } 126 }
123 127
124 void finish (); 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) { }
125}; 172};
126 173
127struct object_thawer 174struct object_thawer
128{ 175{
129 void *av; 176 AV *av;
130 int idx; 177 FILE *fp;
178 char line[1024];
131 179
132 object_thawer (const char *filename = 0); 180 object_thawer (const char *filename = 0);
133 ~object_thawer (); 181 ~object_thawer ();
134 182
135 void get (data_type type, void *obj, extendable_base *ext); 183 void get (data_type type, void *obj, attachable_base *ext, int oid);
136 184
137 template<class subclass> 185 template<class subclass>
138 void get (extendable<subclass> *obj) 186 void get (attachable<subclass> *obj, int oid)
139 { 187 {
140 if (av) 188 if (av)
141 get (subclass::get_dt (), (subclass *)obj, obj); 189 get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid);
142 } 190 }
143 191
144 void finish (); 192 token get_token ();
193
194 operator FILE *() { return fp; }
145}; 195};
146 196
147#endif 197#endif
148 198

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