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1 | /* |
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2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
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3 | * |
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4 | * Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
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5 | * |
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6 | * Deliantra is free software: you can redistribute it and/or modify it under |
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7 | * the terms of the Affero GNU General Public License as published by the |
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8 | * Free Software Foundation, either version 3 of the License, or (at your |
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9 | * option) any later version. |
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10 | * |
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11 | * This program is distributed in the hope that it will be useful, |
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | * GNU General Public License for more details. |
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15 | * |
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16 | * You should have received a copy of the Affero GNU General Public License |
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17 | * and the GNU General Public License along with this program. If not, see |
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18 | * <http://www.gnu.org/licenses/>. |
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19 | * |
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20 | * The authors can be reached via e-mail to <support@deliantra.net> |
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21 | */ |
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22 | |
1 | // |
23 | // |
2 | // cfperl.h perl interface |
24 | // cfperl.h perl interface |
3 | // |
25 | // |
4 | #ifndef CFPERL_H__ |
26 | #ifndef CFPERL_H__ |
5 | #define CFPERL_H__ |
27 | #define CFPERL_H__ |
6 | |
28 | |
7 | struct pl; |
29 | #include <cstdarg> |
8 | struct object; |
30 | #include <cstdio> |
9 | struct mapstruct; |
31 | #include <bitset> |
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32 | |
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33 | using namespace std; |
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34 | |
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35 | #include <EXTERN.h> |
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36 | #include <perl.h> |
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37 | #include <XSUB.h> |
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38 | |
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39 | #include <EVAPI.h> |
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40 | #include <CoroAPI.h> |
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41 | |
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42 | #include "util.h" |
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43 | #include "keyword.h" |
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44 | #include "dynbuf.h" |
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45 | #include "callback.h" |
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46 | |
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47 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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48 | |
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49 | // optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
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50 | #undef localtime |
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51 | #undef srand48 |
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52 | #undef drand48 |
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53 | #undef srandom |
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54 | #undef opendir |
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55 | #undef readdir |
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56 | #undef closedir |
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57 | #undef getprotobyname |
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58 | #undef gethostbyname |
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59 | #undef ctime |
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60 | #undef strerror |
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61 | #undef _ |
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62 | |
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63 | // same here, massive symbol spamming |
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64 | #undef do_open |
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65 | #undef do_close |
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66 | #undef ref |
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67 | #undef seed |
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68 | |
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69 | // perl bug #40256: perl does overwrite those with reentrant versions |
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70 | // but does not initialise their state structures. |
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71 | #undef random |
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72 | #undef crypt |
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73 | |
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74 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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75 | |
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76 | #define _(msg) (msg) |
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77 | #define N_(msg) (msg) |
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78 | |
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79 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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80 | |
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81 | // some macros to simplify perl in-calls |
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82 | |
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83 | #define CHECK_ERROR \ |
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84 | if (SvTRUE (ERRSV)) \ |
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85 | LOG (llevError, "runtime error in %s: %s", __func__, SvPVutf8_nolen (ERRSV)); |
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86 | |
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87 | inline int call_pvsv (const char *ob, I32 flags) { return call_pv (ob, flags); } |
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88 | inline int call_pvsv (SV *ob, I32 flags) { return call_sv (ob, flags); } |
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89 | |
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90 | #define CALL_BEGIN(args) dSP; ENTER; SAVETMPS; PUSHMARK (SP); EXTEND (SP, args) |
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91 | #define CALL_ARG_SV(sv) PUSHs (sv_2mortal (sv)) // separate because no refcount inc |
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92 | #define CALL_ARG(expr) PUSHs (sv_2mortal (to_sv (expr))) |
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93 | #define CALL_CALL(name, flags) PUTBACK; int count = call_pvsv (name, (flags) | G_EVAL); SPAGAIN; |
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94 | #define CALL_END PUTBACK; CHECK_ERROR; FREETMPS; LEAVE |
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95 | |
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96 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
10 | |
97 | |
11 | void cfperl_init (); |
98 | void cfperl_init (); |
12 | void cfperl_main (); |
99 | void cfperl_main (); |
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100 | void cfperl_tick (); |
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101 | void cfperl_emergency_save (); |
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102 | void cfperl_cleanup (int make_core); |
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103 | void cfperl_make_book (object *book, int level); |
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104 | void cfperl_send_msg (client *ns, int color, const char *type, const char *msg); |
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105 | int cfperl_can_merge (object *ob1, object *ob2); |
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106 | void cfperl_mapscript_activate (object *ob, int state, object *activator, object *originator = 0); |
13 | |
107 | |
14 | // could have used templates, but a more traditional C api |
108 | bool is_match_expr (const char *expr); |
15 | // uses more explicit typing which is ok for this purpose. |
109 | // applies the match expression and returns true if it matches |
16 | enum data_type |
110 | bool match (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0); |
17 | { |
111 | // same as above, but returns the first object found, or 0 |
18 | DT_END, // no further arguments |
112 | object *match_one (const char *expr, object *ob, object *self = 0, object *source = 0, object *originator = 0); |
19 | DT_AV, // perl-only av that needs to be flattened out |
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20 | DT_INT, |
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21 | DT_INT64, |
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22 | DT_DOUBLE, |
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23 | DT_STRING, // 0-terminated string |
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24 | DT_DATA, // string + length |
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25 | DT_OBJECT, |
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26 | DT_MAP, |
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27 | DT_PLAYER, |
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28 | DT_ARCH, |
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29 | DT_PARTY, |
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30 | DT_REGION, |
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31 | |
113 | |
32 | NUM_DATA_TYPES |
114 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
33 | }; |
115 | |
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116 | #if IVSIZE >= 8 |
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117 | typedef IV val64; |
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118 | typedef IV uval64; |
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119 | # define newSVval64 newSViv |
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120 | # define SvVAL64 SvIV |
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121 | # define newSVuval64 newSVuv |
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122 | # define SvUVAL64 SvUV |
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123 | #else |
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124 | typedef double val64; |
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125 | typedef double uval64; |
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126 | # define newSVval64 newSVnv |
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127 | # define SvVAL64 SvNV |
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128 | # define newSVuval64 newSVnv |
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129 | # define SvUVAL64 SvNV |
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130 | #endif |
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131 | |
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132 | extern tstamp runtime; // virtual server time, excluding time jumps and lag |
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133 | extern tstamp NOW; // real time of current server tick |
34 | |
134 | |
35 | enum event_klass |
135 | enum event_klass |
36 | { |
136 | { |
37 | KLASS_NONE, |
137 | KLASS_NONE, |
38 | KLASS_GLOBAL, |
138 | KLASS_GLOBAL, |
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139 | KLASS_ATTACHABLE, |
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140 | KLASS_CLIENT, |
39 | KLASS_PLAYER, |
141 | KLASS_PLAYER, |
40 | KLASS_OBJECT, |
142 | KLASS_OBJECT, |
41 | KLASS_MAP, |
143 | KLASS_MAP, |
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144 | KLASS_COMMAND, |
42 | }; |
145 | }; |
43 | |
146 | |
44 | enum event_type |
147 | enum event_type |
45 | { |
148 | { |
46 | # define def(klass,name) EVENT_ ## klass ## _ ## name, |
149 | # define def(klass,name) EVENT_ ## klass ## _ ## name, |
47 | # include "eventinc.h" |
150 | # include "eventinc.h" |
48 | # undef def |
151 | # undef def |
49 | NUM_EVENT_TYPES |
152 | NUM_EVENT_TYPES |
50 | }; |
153 | }; |
51 | |
154 | |
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155 | // in which global events or per-type events are we interested |
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156 | extern bitset<NUM_EVENT_TYPES> ev_want_event; |
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157 | extern bitset<NUM_TYPES> ev_want_type; |
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158 | |
52 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
159 | #define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
53 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
160 | #define ARG_INT(v) DT_INT , static_cast<int> (v) |
54 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
161 | #define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
55 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
162 | #define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
56 | #define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
163 | #define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
57 | #define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l) |
164 | #define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), int (l) |
58 | #define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o) |
165 | #define ARG_OBJECT(o) DT_OBJECT, (void *)(static_cast<object *> (o)) |
59 | #define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o) |
166 | #define ARG_MAP(o) DT_MAP , (void *)(static_cast<maptile *> (o)) |
60 | #define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o) |
167 | #define ARG_PLAYER(o) DT_PLAYER, (void *)(static_cast<player *> (o)) |
61 | #define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o) |
168 | #define ARG_ARCH(o) DT_ARCH , (void *)(static_cast<archetype *> (o)) |
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169 | #define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) |
62 | #define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o) |
170 | #define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) |
63 | #define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) |
171 | #define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) |
64 | |
172 | |
65 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
173 | // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
66 | |
174 | #define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0) |
67 | // all these return true when the normal event processing should be skipped (if any) |
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68 | #define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END) |
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69 | |
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70 | #define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) |
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71 | #define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) |
175 | #define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) |
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176 | #define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__) |
72 | #define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) |
177 | #define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__) |
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178 | #define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__) |
73 | #define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) |
179 | #define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__) |
74 | #define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) |
180 | #define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__) |
75 | |
181 | |
76 | //TODO should index into @result |
182 | //TODO should index into @result |
77 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
183 | #define RESULT(idx,type) cfperl_result_ ## type (idx) |
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184 | #define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) |
78 | #define RESULT_INT(idx) RESULT(idx, INT) |
185 | #define RESULT_INT(idx) RESULT(idx, INT) |
79 | |
186 | |
80 | bool cfperl_invoke (event_type event, ...); |
187 | double cfperl_result_DOUBLE (int idx); |
81 | int cfperl_result_INT (int idx); |
188 | int cfperl_result_INT (int idx); |
82 | |
189 | |
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190 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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191 | |
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192 | INTERFACE_CLASS (attachable) |
83 | struct attachable_base |
193 | struct attachable : refcnt_base |
84 | { |
194 | { |
85 | void *self, *cb; // CF+ perl self and callback |
195 | static MGVTBL vtbl; |
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196 | |
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197 | enum { |
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198 | F_DESTROYED = 0x01, |
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199 | F_DEBUG_TRACE = 0x02, |
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200 | }; |
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201 | uint8 ACC (RW, flags); |
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202 | |
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203 | static unordered_vector<attachable *> mortals; |
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204 | MTH static void check_mortals (); |
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205 | |
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206 | // object is delete'd after the refcount reaches 0 |
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207 | MTH int refcnt_cnt () const; |
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208 | // check wether the object has died and destroy |
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209 | MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); } |
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210 | |
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211 | // destroy the object unless it was already destroyed |
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212 | // this politely asks everybody interested the reduce |
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213 | // the refcount to 0 as soon as possible. |
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214 | MTH void destroy (); |
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215 | |
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216 | // return wether an object was destroyed already |
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217 | MTH bool destroyed () const { return flags & F_DESTROYED; } |
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218 | |
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219 | virtual void gather_callbacks (AV *&callbacks, event_type event) const; |
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220 | |
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221 | #if 0 |
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222 | private: |
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223 | static refcounted *rc_first; |
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224 | refcounted *rc_next; |
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225 | #endif |
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226 | |
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227 | HV *self; // CF+ perl self |
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228 | AV *cb; // CF+ callbacks |
86 | const char *attach; // generic extension attachment information |
229 | shstr attach; // generic extension attachment information |
87 | |
230 | |
88 | void clear (); // called when free'ing objects |
231 | void sever_self (); // sever this object from its self, if it has one. |
89 | void optimise (); // possibly save some memory by destroying unneeded data |
232 | void optimise (); // possibly save some memory by destroying unneeded data |
90 | |
233 | |
91 | void attachable_init () |
234 | attachable () |
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235 | : flags (0), self (0), cb (0), attach (0) |
92 | { |
236 | { |
93 | self = cb = 0; |
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94 | attach = 0; |
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95 | } |
237 | } |
96 | }; |
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97 | |
238 | |
98 | // objects attachable from perl (or any other extension) should include or |
239 | attachable (const attachable &src) |
99 | // derive using the curiously recurring template pattern, to avoid |
240 | : flags (0), self (0), cb (0), attach (src.attach) |
100 | // virtual method calls etc. |
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101 | template<class subclass> |
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102 | struct attachable : attachable_base |
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103 | { |
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104 | static data_type get_dt () |
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105 | { |
241 | { |
106 | subclass::get_dt (); |
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107 | } |
242 | } |
108 | }; |
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109 | |
243 | |
110 | struct object_freezethaw |
244 | // set a custom key to the given value, or delete it if value = 0 |
111 | { |
245 | void set_key (const char *key, const char *value = 0, bool is_utf8 = 0); |
112 | void *av; |
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113 | FILE *fp; |
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114 | |
246 | |
115 | operator FILE *() { return fp; } |
247 | void set_key_text (const char *key, const char *value = 0) |
116 | }; |
248 | { |
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249 | set_key (key, value, 1); |
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250 | } |
117 | |
251 | |
118 | struct object_freezer : object_freezethaw |
252 | void set_key_data (const char *key, const char *value = 0) |
119 | { |
253 | { |
120 | void *filename; |
254 | set_key (key, value, 0); |
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255 | } |
121 | |
256 | |
122 | object_freezer (const char *filename); |
257 | attachable &operator =(const attachable &src); |
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258 | |
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259 | // used to _quickly_ device wether to shortcut the evaluation |
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260 | bool should_invoke (event_type event) |
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261 | { |
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262 | return ev_want_event [event] || cb; |
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263 | } |
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264 | |
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265 | bool invoke (event_type event, ...); |
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266 | |
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267 | MTH void instantiate (); |
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268 | void reattach (); |
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269 | |
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270 | protected: |
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271 | // do the real refcount checking work |
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272 | void do_check (); |
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273 | |
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274 | // the method that does the real destroy work |
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275 | virtual void do_destroy (); |
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276 | |
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277 | // destructor is protected, should not be called by anybody |
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278 | virtual ~attachable (); |
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279 | }; |
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280 | |
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281 | // the global object is a pseudo object that cares for the global events |
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282 | struct global : attachable |
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283 | { |
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284 | void gather_callbacks (AV *&callbacks, event_type event) const; |
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285 | }; |
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286 | |
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287 | extern struct global gbl_ev; |
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288 | |
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289 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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290 | |
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291 | INTERFACE_CLASS(object_freezer) |
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292 | struct object_freezer : dynbuf_text |
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293 | { |
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294 | AV *av; |
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295 | |
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296 | object_freezer (); |
123 | ~object_freezer (); |
297 | ~object_freezer (); |
124 | |
298 | |
125 | void put (attachable_base *ext); |
299 | void put (attachable *ext); |
126 | |
300 | |
127 | template<class subclass> |
301 | // used only for user-defined key-value pairs |
128 | void put (attachable<subclass> *obj) |
302 | void put (shstr_tmp k, shstr_tmp v) |
129 | { |
303 | { |
130 | put ((attachable_base *)obj); |
304 | add (k); |
131 | } |
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132 | }; |
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133 | |
305 | |
134 | struct object_thawer : object_freezethaw |
306 | if (expect_true (v)) |
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307 | add (' '), add (v); |
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308 | |
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309 | add ('\n'); |
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310 | } |
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311 | |
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312 | template<typename T> |
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313 | void put_kw_string (keyword k, const T &v) |
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314 | { |
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315 | int klen = keyword_len [k]; |
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316 | int vlen = v ? strlen (v) + 1 : 0; |
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317 | |
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318 | char *p = (char *)alloc (klen + vlen + 1); |
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319 | |
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320 | memcpy (p, keyword_str [k], klen); p += klen; |
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321 | |
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322 | if (expect_true (v)) |
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323 | { |
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324 | *p++ = ' '; vlen--; |
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325 | memcpy (p, v, vlen); p += vlen; |
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326 | } |
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327 | |
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328 | *p = '\n'; |
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329 | } |
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330 | |
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331 | void put (keyword k, const char *v = 0) |
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332 | { |
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333 | put_kw_string (k, v); |
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334 | } |
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335 | |
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336 | void put (keyword k, shstr_tmp v) |
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337 | { |
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338 | put_kw_string (k, v); |
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339 | } |
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340 | |
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341 | void put (keyword k, double v) |
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342 | { |
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343 | force (MAX_KEYWORD_LEN + 2 + 32); |
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344 | fadd (keyword_str [k], keyword_len [k]); |
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345 | fadd (' '); |
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346 | falloc (sprintf (ptr, "%.7g", v)); |
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347 | fadd ('\n'); |
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348 | } |
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349 | |
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350 | void put_(keyword k, sint64 v) |
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351 | { |
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352 | force (MAX_KEYWORD_LEN + 2 + sint64_digits); |
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353 | fadd (keyword_str [k], keyword_len [k]); |
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354 | fadd (' '); |
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355 | add (v); |
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356 | fadd ('\n'); |
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357 | } |
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358 | |
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359 | void put_(keyword k, sint32 v) |
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360 | { |
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361 | force (MAX_KEYWORD_LEN + 2 + sint32_digits); |
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362 | fadd (keyword_str [k], keyword_len [k]); |
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363 | fadd (' '); |
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364 | add (v); |
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365 | fadd ('\n'); |
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366 | } |
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367 | |
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368 | void put (keyword k, float v) { put (k, (double)v); } |
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369 | void put (keyword k, signed char v) { put_(k, (sint32)v); } |
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370 | void put (keyword k, unsigned char v) { put_(k, (sint32)v); } |
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371 | void put (keyword k, signed short v) { put_(k, (sint32)v); } |
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372 | void put (keyword k, unsigned short v) { put_(k, (sint32)v); } |
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373 | void put (keyword k, signed int v) { put_(k, (sint32)v); } |
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374 | void put (keyword k, unsigned int v) { put_(k, (sint64)v); } |
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375 | void put (keyword k, signed long v) { put_(k, (sint64)v); } |
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376 | void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
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377 | void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
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378 | void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
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379 | |
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380 | void put (keyword kbeg, keyword kend, shstr_tmp v) |
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381 | { |
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382 | force (MAX_KEYWORD_LEN + 1); |
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383 | fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n'); |
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384 | |
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385 | if (expect_true (v)) |
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386 | { |
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387 | add (v); |
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388 | add ('\n'); |
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389 | } |
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390 | |
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391 | force (MAX_KEYWORD_LEN + 1); |
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392 | fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n'); |
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393 | } |
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394 | |
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395 | void put (keyword k, archetype *v); |
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396 | void put (keyword k, treasurelist *v); |
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397 | void put (keyword k, faceinfo *v); |
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398 | |
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399 | template<typename T> |
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400 | void put (keyword k, const refptr<T> &v) |
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401 | { |
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402 | put (k, (T *)v); |
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403 | } |
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404 | |
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405 | MTH bool save (const_octet_string path); |
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406 | char *as_string (); // like strdup |
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407 | |
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408 | operator bool () { return !!av; } |
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409 | }; |
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410 | |
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411 | INTERFACE_CLASS(object_thawer) |
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412 | struct object_thawer |
135 | { |
413 | { |
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414 | char *line; // current beginning of line |
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415 | SV *text; // text part |
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416 | AV *av; // perl part |
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417 | int linenum; |
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418 | keyword kw; |
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419 | char *kw_str; // the keyword parsed, as string |
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420 | char *value; // the value, or 0 if no value |
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421 | const char *value_nn; // the value, or the empty string if no value |
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422 | const char *name; |
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423 | |
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424 | operator bool () const { return !!text; } |
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425 | |
136 | object_thawer (FILE *fp, const char *filename = 0); |
426 | object_thawer (const char *path = 0); |
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427 | object_thawer (const char *data, AV *perlav); |
137 | ~object_thawer (); |
428 | ~object_thawer (); |
138 | |
429 | |
139 | void get (data_type type, void *obj, attachable_base *ext, int oid); |
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140 | |
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141 | template<class subclass> |
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142 | void get (attachable<subclass> *obj, int oid) |
430 | void get (attachable *obj, int oid); |
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431 | |
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432 | // parse next line |
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433 | MTH void next (); |
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434 | // skip the current key-value (usually fetch next line, for |
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435 | // multiline-fields, skips till the corresponding end-kw |
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436 | MTH void skip (); |
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437 | MTH void skip_block (); // skips till and over KW_end |
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438 | |
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439 | char *get_str () { return value; } // may be 0 |
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440 | void get_ml (keyword kend, shstr &sh); |
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441 | |
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442 | void get_ornull (shstr &sh) const { sh = value; } |
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443 | void get (shstr &sh) const { sh = value; } // might want to check for non-null here |
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444 | |
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445 | bool get_bool () const { return *value_nn == '1'; } |
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446 | sint32 get_sint32 () const; |
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447 | sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); } |
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448 | double get_double () const { return strtod (value_nn, 0); } |
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449 | |
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450 | void get (float &v) { v = get_double (); } |
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451 | void get (double &v) { v = get_double (); } |
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452 | |
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453 | void get (bool &i) { i = get_bool (); } |
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454 | void get (sint8 &i) { i = get_sint32 (); } |
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455 | void get (uint8 &i) { i = get_sint32 (); } |
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456 | void get (sint16 &i) { i = get_sint32 (); } |
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457 | void get (uint16 &i) { i = get_sint32 (); } |
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458 | void get (sint32 &i) { i = get_sint32 (); } |
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459 | |
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460 | void get (uint32 &i) { i = get_sint64 (); } |
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461 | void get (sint64 &i) { i = get_sint64 (); } |
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462 | |
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463 | MTH void parse_warn (const char *msg); |
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464 | MTH bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); |
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465 | |
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466 | struct delayed_ref { |
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467 | attachable *op; |
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468 | object_ptr *ptr; |
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469 | const char *ref; |
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470 | }; |
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471 | std::vector<delayed_ref> delrefs; |
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472 | |
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473 | void delayed_deref (attachable *op, object_ptr &ptr, const char *ref); |
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474 | MTH void resolve_delayed_derefs (bool deref = true); |
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475 | }; |
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476 | |
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477 | //TODO: remove |
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478 | char *fgets (char *s, int n, object_thawer &thawer); |
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479 | |
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480 | ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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481 | |
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482 | struct coroapi { |
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483 | static struct CoroAPI *GCoroAPI; |
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484 | |
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485 | static EV_ATOMIC_T cede_pending; |
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486 | |
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487 | static int nready () { return CORO_NREADY; } |
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488 | static int cede () { cede_pending = 0; return CORO_CEDE ; } |
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489 | |
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490 | static void do_cede_to_tick (); |
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491 | |
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492 | // actually cede's far more often |
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493 | static bool cede_to_tick () |
143 | { |
494 | { |
144 | if (av) |
495 | if (expect_true (!cede_pending)) |
145 | get (subclass::get_dt (), (subclass *)obj, obj, oid); |
496 | return false; |
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497 | |
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498 | do_cede_to_tick (); |
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499 | return true; |
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500 | } |
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501 | |
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502 | static void wait_for_tick (); |
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503 | static void wait_for_tick_begin (); |
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|
504 | }; |
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505 | |
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506 | struct evapi |
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507 | { |
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508 | static struct EVAPI *GEVAPI; |
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509 | }; |
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510 | |
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511 | struct iow : ev_io, evapi, callback<void (iow &, int)> |
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512 | { |
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513 | static void thunk (EV_P_ struct ev_io *w_, int revents) |
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514 | { |
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515 | iow &w = *static_cast<iow *>(w_); |
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516 | |
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517 | w (w, revents); |
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518 | } |
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519 | |
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520 | template<class O, class M> |
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521 | iow (O object, M method) |
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522 | : callback<void (iow &, int)> (object, method) |
|
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523 | { |
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524 | ev_init ((ev_io *)this, thunk); |
|
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525 | } |
|
|
526 | |
|
|
527 | void prio (int prio) |
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528 | { |
|
|
529 | ev_set_priority ((ev_io *)this, prio); |
|
|
530 | } |
|
|
531 | |
|
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532 | void set (int fd, int events) |
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533 | { |
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534 | ev_io_set ((ev_io *)this, fd, events); |
|
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535 | } |
|
|
536 | |
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537 | int poll () const { return events; } |
|
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538 | |
|
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539 | void poll (int events); |
|
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540 | |
|
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541 | void start () |
|
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542 | { |
|
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543 | ev_io_start (EV_DEFAULT, (ev_io *)this); |
|
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544 | } |
|
|
545 | |
|
|
546 | void stop () |
|
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547 | { |
|
|
548 | ev_io_stop (EV_DEFAULT, (ev_io *)this); |
|
|
549 | } |
|
|
550 | |
|
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551 | ~iow () |
|
|
552 | { |
|
|
553 | stop (); |
|
|
554 | } |
|
|
555 | }; |
|
|
556 | |
|
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557 | struct asyncw : ev_async, evapi, callback<void (ev_async &, int)> |
|
|
558 | { |
|
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559 | static void thunk (EV_P_ struct ev_async *w_, int revents) |
|
|
560 | { |
|
|
561 | asyncw &w = *static_cast<asyncw *>(w_); |
|
|
562 | |
|
|
563 | w (w, revents); |
|
|
564 | } |
|
|
565 | |
|
|
566 | template<class O, class M> |
|
|
567 | asyncw (O object, M method) |
|
|
568 | : callback<void (asyncw &, int)> (object, method) |
|
|
569 | { |
|
|
570 | ev_init ((ev_async *)this, thunk); |
|
|
571 | } |
|
|
572 | |
|
|
573 | void start () |
|
|
574 | { |
|
|
575 | ev_async_start (EV_DEFAULT, (ev_async *)this); |
|
|
576 | } |
|
|
577 | |
|
|
578 | void stop () |
|
|
579 | { |
|
|
580 | ev_async_stop (EV_DEFAULT, (ev_async *)this); |
|
|
581 | } |
|
|
582 | |
|
|
583 | ~asyncw () |
|
|
584 | { |
|
|
585 | stop (); |
146 | } |
586 | } |
147 | }; |
587 | }; |
148 | |
588 | |
149 | #endif |
589 | #endif |
150 | |
590 | |