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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; |
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10 | |
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11 | #include <EXTERN.h> |
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12 | #include <perl.h> |
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13 | |
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14 | // optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
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15 | #undef localtime |
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16 | #undef srand48 |
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17 | #undef drand48 |
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18 | #undef srandom |
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19 | #undef readdir |
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20 | #undef getprotobyname |
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21 | #undef gethostbyname |
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22 | #undef ctime |
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23 | #undef strerror |
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24 | |
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25 | // perl bug #40256: perl does overwrite those with reentrant versions |
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26 | // but does not initialise their state structures. |
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27 | #undef random |
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28 | #undef crypt |
10 | |
29 | |
11 | void cfperl_init (); |
30 | void cfperl_init (); |
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31 | void cfperl_boot (); |
12 | void cfperl_main (); |
32 | void cfperl_main (); |
13 | |
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14 | // could have used templates, but a more traditional C api |
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15 | // uses more explicit typing which is ok for this purpose. |
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16 | enum data_type |
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17 | { |
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18 | DT_END, // no further arguments |
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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 | |
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32 | NUM_DATA_TYPES |
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33 | }; |
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34 | |
33 | |
35 | enum event_klass |
34 | enum event_klass |
36 | { |
35 | { |
37 | KLASS_NONE, |
36 | KLASS_NONE, |
38 | KLASS_GLOBAL, |
37 | KLASS_GLOBAL, |
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80 | bool cfperl_invoke (event_type event, ...); |
79 | bool cfperl_invoke (event_type event, ...); |
81 | int cfperl_result_INT (int idx); |
80 | int cfperl_result_INT (int idx); |
82 | |
81 | |
83 | struct attachable_base |
82 | struct attachable_base |
84 | { |
83 | { |
85 | void *self, *cb; // CF+ perl self and callback |
84 | SV *self; |
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85 | AV *cb; // CF+ perl self and callback |
86 | const char *attach; // generic extension attachment information |
86 | const char *attach; // generic extension attachment information |
87 | |
87 | |
88 | void clear (); // called when free'ing objects |
88 | void clear (); // called when free'ing objects |
89 | void optimise (); // possibly save some memory by destroying unneeded data |
89 | void optimise (); // possibly save some memory by destroying unneeded data |
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90 | void instantiate (data_type type, void *obj); |
90 | |
91 | |
91 | void attachable_init () |
92 | void attachable_init () |
92 | { |
93 | { |
93 | self = cb = 0; |
94 | self = 0; |
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95 | cb = 0; |
94 | attach = 0; |
96 | attach = 0; |
95 | } |
97 | } |
96 | }; |
98 | }; |
97 | |
99 | |
98 | // objects attachable from perl (or any other extension) should include or |
100 | // objects attachable from perl (or any other extension) should include or |
99 | // derive using the curiously recurring template pattern, to avoid |
101 | // derive using the curiously recurring template pattern, to avoid |
100 | // virtual method calls etc. |
102 | // virtual method calls etc. |
101 | template<class subclass> |
103 | template<class subclass> |
102 | struct attachable : attachable_base |
104 | struct attachable : attachable_base |
103 | { |
105 | { |
104 | static data_type get_dt () |
106 | void instantiate () |
105 | { |
107 | { |
106 | subclass::get_dt (); |
108 | if (attach) |
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109 | attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); |
107 | } |
110 | } |
108 | }; |
111 | }; |
109 | |
112 | |
110 | struct object_freezethaw |
113 | struct object_freezer : dynbuf |
111 | { |
114 | { |
112 | void *av; |
115 | AV *av; |
113 | FILE *fp; |
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114 | |
116 | |
115 | operator FILE *() { return fp; } |
117 | object_freezer (); |
116 | }; |
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117 | |
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118 | struct object_freezer : object_freezethaw |
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119 | { |
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120 | void *filename; |
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121 | |
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122 | object_freezer (const char *filename); |
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123 | ~object_freezer (); |
118 | ~object_freezer (); |
124 | |
119 | |
125 | void put (attachable_base *ext); |
120 | void put (attachable_base *ext); |
126 | |
121 | |
127 | template<class subclass> |
122 | template<class subclass> |
128 | void put (attachable<subclass> *obj) |
123 | void put (attachable<subclass> *obj) |
129 | { |
124 | { |
130 | put ((attachable_base *)obj); |
125 | put ((attachable_base *)obj); |
131 | } |
126 | } |
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127 | |
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128 | void put (const char *k, const char *v); //TODO//temporary |
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129 | void put (const char *k, int v); //TODO//temporary |
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130 | |
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131 | void put (keyword k, const char *v); |
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132 | void put (keyword k, double v); |
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133 | void put (keyword k, float v) { put (k, (double)v); } |
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134 | |
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135 | void put_ (keyword k, sint32 v); |
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136 | void put_ (keyword k, sint64 v); |
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137 | |
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138 | void put (keyword k, signed char v) { put_(k, (sint32)v); } |
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139 | void put (keyword k, unsigned char v) { put_(k, (sint32)v); } |
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140 | void put (keyword k, signed short v) { put_(k, (sint32)v); } |
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141 | void put (keyword k, unsigned short v) { put_(k, (sint32)v); } |
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142 | void put (keyword k, signed int v) { put_(k, (sint32)v); } |
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143 | void put (keyword k, unsigned int v) { put_(k, (sint64)v); } |
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144 | void put (keyword k, signed long v) { put_(k, (sint64)v); } |
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145 | void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
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146 | void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
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147 | void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
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148 | |
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149 | void put (keyword kbeg, keyword kend, const char *v); // multiline |
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150 | |
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151 | template<typename T> |
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152 | void put (keyword k, T *v) |
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153 | { |
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154 | put (k, v ? (const char *)v->name : 0); |
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155 | } |
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156 | |
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157 | bool save (const char *filename); |
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158 | |
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159 | operator bool () { return !!av; } |
132 | }; |
160 | }; |
133 | |
161 | |
134 | struct object_thawer : object_freezethaw |
162 | // compatibility support, should be removed when no longer needed |
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163 | int fprintf (object_freezer &freezer, const char *format, ...); |
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164 | int fputs (const char *s, object_freezer &freezer); |
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165 | |
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166 | // a single key-value line from a file |
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167 | struct token { |
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168 | keyword k; |
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169 | const char *v; |
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170 | |
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171 | token (keyword k, const char *v = 0) : k(k), v(v) { } |
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172 | }; |
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173 | |
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174 | struct object_thawer |
135 | { |
175 | { |
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176 | AV *av; |
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177 | FILE *fp; |
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178 | char line[1024]; |
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179 | |
136 | object_thawer (FILE *fp, const char *filename = 0); |
180 | object_thawer (const char *filename = 0); |
137 | ~object_thawer (); |
181 | ~object_thawer (); |
138 | |
182 | |
139 | void get (data_type type, void *obj, attachable_base *ext, int oid); |
183 | void get (data_type type, void *obj, attachable_base *ext, int oid); |
140 | |
184 | |
141 | template<class subclass> |
185 | template<class subclass> |
142 | void get (attachable<subclass> *obj, int oid) |
186 | void get (attachable<subclass> *obj, int oid) |
143 | { |
187 | { |
144 | if (av) |
188 | if (av) |
145 | get (subclass::get_dt (), (subclass *)obj, obj, oid); |
189 | get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid); |
146 | } |
190 | } |
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191 | |
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192 | token get_token (); |
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193 | |
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194 | operator FILE *() { return fp; } |
147 | }; |
195 | }; |
148 | |
196 | |
149 | #endif |
197 | #endif |
150 | |
198 | |