--- deliantra/server/include/cfperl.h 2006/08/27 16:15:12 1.8 +++ deliantra/server/include/cfperl.h 2006/08/30 16:30:37 1.16 @@ -4,11 +4,35 @@ #ifndef CFPERL_H__ #define CFPERL_H__ +#include + +using namespace std; + +#include +#include + +// optimisations/workaround for functions requiring my_perl in scope (anti-bloat) +#undef localtime +#undef srand48 +#undef drand48 +#undef srandom +#undef readdir +#undef getprotobyname +#undef gethostbyname +#undef ctime +#undef strerror + +// perl bug #40256: perl does overwrite those with reentrant versions +// but does not initialise their state structures. +#undef random +#undef crypt + struct pl; struct object; struct mapstruct; void cfperl_init (); +void cfperl_boot (); void cfperl_main (); // could have used templates, but a more traditional C api @@ -16,6 +40,7 @@ enum data_type { DT_END, // no further arguments + DT_AV, // perl-only av that needs to be flattened out DT_INT, DT_INT64, DT_DOUBLE, @@ -27,13 +52,13 @@ DT_ARCH, DT_PARTY, DT_REGION, - DT_AV, // av that needs to be flattened out NUM_DATA_TYPES }; enum event_klass { + KLASS_NONE, KLASS_GLOBAL, KLASS_PLAYER, KLASS_OBJECT, @@ -48,6 +73,7 @@ NUM_EVENT_TYPES }; +#define ARG_AV(o) DT_AV , static_cast (o) #define ARG_INT(v) DT_INT , static_cast (v) #define ARG_INT64(v) DT_INT64 , static_cast (v) #define ARG_DOUBLE(v) DT_DOUBLE, static_cast (v) @@ -63,12 +89,13 @@ // the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension // all these return true when the normal event processing should be skipped (if any) -#define INVOKE(klass, event, ...) cfperl_invoke (EVENT_ ## klass ## _ ## event, ## __VA_ARGS__, DT_END) +#define INVOKE_(event, ...) cfperl_invoke (event, ## __VA_ARGS__, DT_END) -#define INVOKE_GLOBAL(event, ...) INVOKE (GLOBAL, event, ## __VA_ARGS__) -#define INVOKE_OBJECT(event, op, ...) INVOKE (OBJECT, event, ARG_OBJECT (op), ## __VA_ARGS__) -#define INVOKE_PLAYER(event, pl, ...) INVOKE (PLAYER, event, ARG_PLAYER (pl), ## __VA_ARGS__) -#define INVOKE_MAP(event, map, ...) INVOKE (MAP , event, ARG_MAP (map) , ## __VA_ARGS__) +#define INVOKE(klass, event, ...) INVOKE_(EVENT_ ## klass ## _ ## event, ## __VA_ARGS__) +#define INVOKE_GLOBAL(event, ...) INVOKE_(EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__) +#define INVOKE_OBJECT(event, op, ...) INVOKE_(EVENT_ ## OBJECT ## _ ## event, ARG_OBJECT (op), ## __VA_ARGS__) +#define INVOKE_PLAYER(event, pl, ...) INVOKE_(EVENT_ ## PLAYER ## _ ## event, ARG_PLAYER (pl), ## __VA_ARGS__) +#define INVOKE_MAP(event, map, ...) INVOKE_(EVENT_ ## MAP ## _ ## event, ARG_MAP (map) , ## __VA_ARGS__) //TODO should index into @result #define RESULT(idx,type) cfperl_result_ ## type (idx) @@ -77,72 +104,88 @@ bool cfperl_invoke (event_type event, ...); int cfperl_result_INT (int idx); -struct extendable_base +struct attachable_base { - void *self, *cb; // CF+ perl self and callback + struct sv *self; + struct av *cb; // CF+ perl self and callback const char *attach; // generic extension attachment information - void clear (); // called when free'ing objects - void optimise (); // possibly save some memory by destroying unneeded data + void clear (); // called when free'ing objects + void optimise (); // possibly save some memory by destroying unneeded data + void instantiate (data_type type, void *obj); - void extendable_init () + void attachable_init () { - self = cb = 0; + self = 0; + cb = 0; attach = 0; } }; -// objects extendable from perl (or any other extension) should include or +// objects attachable from perl (or any other extension) should include or // derive using the curiously recurring template pattern, to avoid // virtual method calls etc. template -struct extendable : extendable_base +struct attachable : attachable_base { static data_type get_dt () { - subclass::get_dt (); + return subclass::get_dt (); + } + + void instantiate () + { + if (attach) + attachable_base::instantiate (get_dt (), static_cast(this)); } }; -struct object_freezer +struct object_freezethaw { - const char *filename; - void *av; - int idx; + struct av *av; +}; + +struct object_freezer : object_freezethaw +{ + struct sv *text; + void *filename; object_freezer (const char *filename); ~object_freezer (); - void put (extendable_base *ext); + void put (attachable_base *ext); template - void put (extendable *obj) + void put (attachable *obj) { - put ((extendable_base *)obj); + put ((attachable_base *)obj); } - void finish (); + operator bool () { return !!av; } }; -struct object_thawer +struct object_thawer : object_freezethaw { - void *av; - int idx; + FILE *fp; object_thawer (const char *filename = 0); ~object_thawer (); - void get (data_type type, void *obj, extendable_base *ext); + void get (data_type type, void *obj, attachable_base *ext, int oid); template - void get (extendable *obj) + void get (attachable *obj, int oid) { if (av) - get (subclass::get_dt (), (subclass *)obj, obj); + get (subclass::get_dt (), (subclass *)obj, obj, oid); } - void finish (); + operator FILE *() { return fp; } }; +// compatibility support, should be removed when no longer needed +int fprintf (object_freezer &freezer, const char *format, ...); +int fputs (const char *s, object_freezer &freezer); + #endif