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// cfperl.h perl interface |
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// |
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#ifndef CFPERL_H__ |
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#define CFPERL_H__ |
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#include <cstdio> |
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using namespace std; |
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#include <EXTERN.h> |
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#include <perl.h> |
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// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) |
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#undef localtime |
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#undef srand48 |
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#undef drand48 |
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#undef srandom |
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#undef readdir |
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#undef getprotobyname |
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#undef gethostbyname |
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#undef ctime |
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#undef strerror |
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// perl bug #40256: perl does overwrite those with reentrant versions |
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// but does not initialise their state structures. |
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#undef random |
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#undef crypt |
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void cfperl_init (); |
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void cfperl_boot (); |
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void cfperl_main (); |
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enum event_klass |
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KLASS_NONE, |
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KLASS_GLOBAL, |
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KLASS_PLAYER, |
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KLASS_OBJECT, |
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KLASS_MAP, |
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}; |
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enum event_type |
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{ |
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# define def(klass,name) EVENT_ ## klass ## _ ## name, |
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# include "eventinc.h" |
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# undef def |
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NUM_EVENT_TYPES |
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}; |
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#define ARG_AV(o) DT_AV , static_cast<AV *> (o) |
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#define ARG_INT(v) DT_INT , static_cast<int> (v) |
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#define ARG_INT64(v) DT_INT64 , static_cast<sint64> (v) |
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#define ARG_DOUBLE(v) DT_DOUBLE, static_cast<double> (v) |
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#define ARG_STRING(v) DT_STRING, static_cast<const char *> (v) |
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#define ARG_DATA(s,l) DT_DATA , static_cast<const void *> (s), (l) |
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#define ARG_OBJECT(o) DT_OBJECT, (void *)static_cast<struct object *> (o) |
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#define ARG_MAP(o) DT_MAP , (void *)static_cast<struct mapstruct *> (o) |
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#define ARG_PLAYER(o) DT_PLAYER, (void *)static_cast<struct pl *> (o) |
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#define ARG_ARCH(o) DT_ARCH , (void *)static_cast<struct archetype *> (o) |
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#define ARG_PARTY(o) DT_PARTY , (void *)static_cast<struct party *> (o) |
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#define ARG_REGION(o) DT_REGION, (void *)static_cast<struct region *> (o) |
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// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension |
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// all these return true when the normal event processing should be skipped (if any) |
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#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END) |
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#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) |
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#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) |
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#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) |
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#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) |
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#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) |
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//TODO should index into @result |
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#define RESULT(idx,type) cfperl_result_ ## type (idx) |
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#define RESULT_INT(idx) RESULT(idx, INT) |
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bool cfperl_invoke (event_type event, ...); |
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int cfperl_result_INT (int idx); |
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struct attachable_base |
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{ |
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SV *self; |
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AV *cb; // CF+ perl self and callback |
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const char *attach; // generic extension attachment information |
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void clear (); // called when free'ing objects |
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void optimise (); // possibly save some memory by destroying unneeded data |
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void instantiate (data_type type, void *obj); |
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void attachable_init () |
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{ |
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self = 0; |
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cb = 0; |
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attach = 0; |
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} |
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}; |
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// objects attachable from perl (or any other extension) should include or |
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// derive using the curiously recurring template pattern, to avoid |
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// virtual method calls etc. |
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template<class subclass> |
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struct attachable : attachable_base |
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{ |
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void instantiate () |
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{ |
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if (attach) |
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attachable_base::instantiate ((data_type) cftype<subclass>::dt, static_cast<subclass *>(this)); |
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} |
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}; |
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struct object_freezer : dynbuf |
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{ |
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AV *av; |
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object_freezer (); |
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~object_freezer (); |
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void put (attachable_base *ext); |
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template<class subclass> |
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void put (attachable<subclass> *obj) |
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{ |
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put ((attachable_base *)obj); |
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} |
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void put (const char *k, const char *v); //TODO//temporary |
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void put (const char *k, int v); //TODO//temporary |
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void put (keyword k, const char *v); |
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void put (keyword k, double v); |
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void put (keyword k, float v) { put (k, (double)v); } |
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void put_ (keyword k, sint32 v); |
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void put_ (keyword k, sint64 v); |
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void put (keyword k, signed char v) { put_(k, (sint32)v); } |
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void put (keyword k, unsigned char v) { put_(k, (sint32)v); } |
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void put (keyword k, signed short v) { put_(k, (sint32)v); } |
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void put (keyword k, unsigned short v) { put_(k, (sint32)v); } |
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void put (keyword k, signed int v) { put_(k, (sint32)v); } |
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void put (keyword k, unsigned int v) { put_(k, (sint64)v); } |
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void put (keyword k, signed long v) { put_(k, (sint64)v); } |
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void put (keyword k, unsigned long v) { put_(k, (sint64)v); } |
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void put (keyword k, signed long long v) { put_(k, (sint64)v); } |
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void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } |
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void put (keyword kbeg, keyword kend, const char *v); // multiline |
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template<typename T> |
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void put (keyword k, T *v) |
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{ |
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put (k, v ? (const char *)v->name : 0); |
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} |
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bool save (const char *filename); |
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operator bool () { return !!av; } |
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}; |
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// compatibility support, should be removed when no longer needed |
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int fprintf (object_freezer &freezer, const char *format, ...); |
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int fputs (const char *s, object_freezer &freezer); |
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// a single key-value line from a file |
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struct token { |
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keyword k; |
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const char *v; |
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token (keyword k, const char *v = 0) : k(k), v(v) { } |
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}; |
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struct object_thawer |
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{ |
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AV *av; |
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FILE *fp; |
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char line[1024]; |
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object_thawer (const char *filename = 0); |
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~object_thawer (); |
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void get (data_type type, void *obj, attachable_base *ext, int oid); |
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template<class subclass> |
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void get (attachable<subclass> *obj, int oid) |
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{ |
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if (av) |
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get ((data_type) cftype<subclass>::dt, (subclass *)obj, obj, oid); |
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} |
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token get_token (); |
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operator FILE *() { return fp; } |
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}; |
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#endif |
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