… | |
… | |
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 | struct pl; |
7 | #include <cstdio> |
8 | struct object; |
8 | |
9 | struct mapstruct; |
9 | using 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 |
10 | |
31 | |
11 | void cfperl_init (); |
32 | void cfperl_init (); |
|
|
33 | void cfperl_boot (); |
12 | void cfperl_main (); |
34 | void 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. |
|
|
16 | enum data_type |
|
|
17 | { |
|
|
18 | DT_END, // no further arguments |
|
|
19 | DT_AV, // perl-only av that needs to be flattened out |
|
|
20 | DT_INT, |
|
|
21 | DT_INT64, |
|
|
22 | DT_DOUBLE, |
|
|
23 | DT_STRING, // 0-terminated string |
|
|
24 | DT_DATA, // string + length |
|
|
25 | DT_OBJECT, |
|
|
26 | DT_MAP, |
|
|
27 | DT_PLAYER, |
|
|
28 | DT_ARCH, |
|
|
29 | DT_PARTY, |
|
|
30 | DT_REGION, |
|
|
31 | |
|
|
32 | NUM_DATA_TYPES |
|
|
33 | }; |
|
|
34 | |
35 | |
35 | enum event_klass |
36 | enum event_klass |
36 | { |
37 | { |
37 | KLASS_NONE, |
38 | KLASS_NONE, |
38 | KLASS_GLOBAL, |
39 | KLASS_GLOBAL, |
… | |
… | |
80 | bool cfperl_invoke (event_type event, ...); |
81 | bool cfperl_invoke (event_type event, ...); |
81 | int cfperl_result_INT (int idx); |
82 | int cfperl_result_INT (int idx); |
82 | |
83 | |
83 | struct attachable_base |
84 | struct attachable_base |
84 | { |
85 | { |
85 | void *self, *cb; // CF+ perl self and callback |
86 | SV *self; |
|
|
87 | AV *cb; // CF+ perl self and callback |
86 | const char *attach; // generic extension attachment information |
88 | const char *attach; // generic extension attachment information |
87 | |
89 | |
88 | void clear (); // called when free'ing objects |
90 | void clear (); // called when free'ing objects |
89 | void optimise (); // possibly save some memory by destroying unneeded data |
91 | void optimise (); // possibly save some memory by destroying unneeded data |
90 | void instantiate (data_type type, void *obj); |
92 | void instantiate (data_type type, void *obj); |
91 | |
93 | |
92 | void attachable_init () |
94 | void attachable_init () |
93 | { |
95 | { |
94 | self = cb = 0; |
96 | self = 0; |
|
|
97 | cb = 0; |
95 | attach = 0; |
98 | attach = 0; |
96 | } |
99 | } |
97 | }; |
100 | }; |
98 | |
101 | |
99 | // objects attachable from perl (or any other extension) should include or |
102 | // objects attachable from perl (or any other extension) should include or |
100 | // derive using the curiously recurring template pattern, to avoid |
103 | // derive using the curiously recurring template pattern, to avoid |
101 | // virtual method calls etc. |
104 | // virtual method calls etc. |
102 | template<class subclass> |
105 | template<class subclass> |
103 | struct attachable : attachable_base |
106 | struct attachable : attachable_base |
104 | { |
107 | { |
105 | static data_type get_dt () |
|
|
106 | { |
|
|
107 | return subclass::get_dt (); |
|
|
108 | } |
|
|
109 | |
|
|
110 | void instantiate () |
108 | void instantiate () |
111 | { |
109 | { |
112 | if (attach) |
110 | if (attach) |
113 | attachable_base::instantiate (get_dt (), static_cast<subclass *>(this)); |
111 | attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); |
114 | } |
112 | } |
115 | }; |
113 | }; |
116 | |
114 | |
117 | struct object_freezethaw |
115 | struct object_freezer |
118 | { |
116 | { |
119 | void *av; |
117 | AV *av; |
120 | FILE *fp; |
118 | SV *text; |
121 | |
119 | |
122 | operator FILE *() { return fp; } |
120 | object_freezer (); |
123 | }; |
|
|
124 | |
|
|
125 | struct object_freezer : object_freezethaw |
|
|
126 | { |
|
|
127 | void *filename; |
|
|
128 | |
|
|
129 | object_freezer (const char *filename); |
|
|
130 | ~object_freezer (); |
121 | ~object_freezer (); |
131 | |
122 | |
132 | void put (attachable_base *ext); |
123 | void put (attachable_base *ext); |
133 | |
124 | |
134 | template<class subclass> |
125 | template<class subclass> |
135 | void put (attachable<subclass> *obj) |
126 | void put (attachable<subclass> *obj) |
136 | { |
127 | { |
137 | put ((attachable_base *)obj); |
128 | put ((attachable_base *)obj); |
138 | } |
129 | } |
|
|
130 | |
|
|
131 | void put (keyword k); |
|
|
132 | void put (const char *v); |
|
|
133 | void put (int v); |
|
|
134 | |
|
|
135 | template<typename value> |
|
|
136 | void put (keyword k, value v) |
|
|
137 | { |
|
|
138 | put (k); |
|
|
139 | put (v); |
|
|
140 | } |
|
|
141 | |
|
|
142 | bool save (const char *filename); |
|
|
143 | |
|
|
144 | operator bool () { return !!av; } |
139 | }; |
145 | }; |
140 | |
146 | |
141 | struct object_thawer : object_freezethaw |
147 | // compatibility support, should be removed when no longer needed |
|
|
148 | int fprintf (object_freezer &freezer, const char *format, ...); |
|
|
149 | int fputs (const char *s, object_freezer &freezer); |
|
|
150 | |
|
|
151 | // a single key-value line from a file |
|
|
152 | struct token { |
|
|
153 | keyword k; |
|
|
154 | const char *v; |
|
|
155 | |
|
|
156 | token (keyword k, const char *v = 0) : k(k), v(v) { } |
|
|
157 | }; |
|
|
158 | |
|
|
159 | struct object_thawer |
142 | { |
160 | { |
|
|
161 | AV *av; |
|
|
162 | FILE *fp; |
|
|
163 | char line[1024]; |
|
|
164 | |
143 | object_thawer (const char *filename = 0); |
165 | object_thawer (const char *filename = 0); |
144 | ~object_thawer (); |
166 | ~object_thawer (); |
145 | |
167 | |
146 | void get (data_type type, void *obj, attachable_base *ext, int oid); |
168 | void get (data_type type, void *obj, attachable_base *ext, int oid); |
147 | |
169 | |
148 | template<class subclass> |
170 | template<class subclass> |
149 | void get (attachable<subclass> *obj, int oid) |
171 | void get (attachable<subclass> *obj, int oid) |
150 | { |
172 | { |
151 | if (av) |
173 | if (av) |
152 | get (subclass::get_dt (), (subclass *)obj, obj, oid); |
174 | get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid); |
153 | } |
175 | } |
|
|
176 | |
|
|
177 | token get_token (); |
|
|
178 | |
|
|
179 | operator FILE *() { return fp; } |
154 | }; |
180 | }; |
155 | |
181 | |
156 | #endif |
182 | #endif |
157 | |
183 | |