#define def_type(TYPE) typedef struct _##TYPE##_t * TYPE;
#define def_obj(TYPE) struct _##TYPE##_t
#define method(NAME) (*NAME)
-#define construct(TYPE) _init_##TYPE(TYPE o,void *i) { o->__interface=i; return o; } TYPE __init__##TYPE
+#define construct(TYPE) TYPE _init_##TYPE(TYPE o,void *i) { o->__interface=i; return o; } TYPE __init__##TYPE
#define get_obj(TYPE,INTERFACE,...) __init__##TYPE(_init_##TYPE(get_mem(TYPE),INTERFACE),__VA_ARGS__)
#define Get_obj(ID,MEM,INTERFACE) MEM ID=get_obj(MEM,INTERFACE)
#define get_obj_as(COMMUNITY,MEM,INTERFACE) (COMMUNITY)get_obj(MEM,INTERFACE)
#define Get_obj_as(ID,COMMUNITY,MEM,INTERFACE) MEM ID=get_obj_as(COMMUNITY,MEM,INTERFACE)
-#define _(METHOD,...) ( _ASSERT(ARG1(__VA_ARGS__,)), (*( ARG1(__VA_ARGS__,)->__interface->METHOD )) ( __VA_ARGS__ ) )
-#define __(METHOD,...) ( _ASSERT(ARG1(__VA_ARGS__,)), (*( __cll1_seekmethod(ARG1(__VA_ARGS__,)->__interface,METHOD) )) ( __VA_ARGS__ ) )
-#define call(OBJTYPE,METHOD,...) { int _N=0; OBJTYPE _OBJ; /* <-' */ while( (_OBJ=(OBJTYPE)_cll1_for_ptrs(_N++,__VA_ARGS__,NIL))!=(struct OBJTYPE *)NIL ) _(_OBJ,METHOD); }
+//#define _(METHOD,...) /*_ASSERT(ARG1(__VA_ARGS__,)), */(*( ARG1(__VA_ARGS__,)->__interface->METHOD )) ( __VA_ARGS__ )
+#define _(METHOD,OBJ) ( OBJ?(*( OBJ->__interface->METHOD )) ( OBJ ):0 )
+#define __(METHOD,...) ( _ASSERT(ARG1(__VA_ARGS__,)), (*( __cll1_seekmethod(ARG1(__VA_ARGS__,),METHOD) )) ( __VA_ARGS__ ) )
+#define call(OBJTYPE,METHOD,...) { int _N=0; OBJTYPE _OBJ; /* <-' */ while( (_OBJ=(OBJTYPE)_cll1_for_ptrs(_N++,__VA_ARGS__,NIL))!=(OBJTYPE)NIL ) _(_OBJ,METHOD); }
#define def_community(TYPE,INTERFACE) def_mem(TYPE) { INTERFACE __interface; };
#define anonymous void *
#define I_am(MEM) MEM self=(MEM)community
/* .----------------------------------------------------------------------.
/ 9. implementation of C<<1 library functions, updated 2008-01-26 xCh.
'----------------------------------------------------------------------- */
-#define _MALLOC void *_cll1_malloc(size_t size) { /*temporary solution*/ return malloc(size); }
+//#define _MALLOC void *_cll1_malloc(size_t size) { return malloc(size); } */
#define _CLL1_FPRINT(IOSTREAM) { int ofs=0; va_list ap; /* <-' */ for(va_start(ap,s);s!=NIL;s=va_arg(ap,char *)) { if(ofs)fputs(OFS,IOSTREAM);else ofs=1;/**/fputs(coalesce(s,NIL),IOSTREAM); } va_end(ap); fputs(EOL,IOSTREAM); }
#define _DECLARE_PRINT void _cll1_print(char *s,...)
#define _PRINT _DECLARE_PRINT _CLL1_FPRINT(stdout)
#define _F (_Fatom->F)
#define _CTX (_CTXatom->CTX)
#define _ARG1(ARG1,...) ARG1
-#define _ARG2(ARG1,ARG2,...) ARG2
-#define _GET_MEM(TYPE) ((TYPE)_cll1_malloc(sizeof(struct _##TYPE##_t)))
+//#define _ARG2(ARG1,ARG2,...) ARG2
+#define _ASSERT(EXPR) assert(EXPR) //later: _cll1_assert(EXPR,handler)
+#define _GET_MEM(TYPE) ((TYPE)malloc(sizeof(struct _##TYPE##_t))) //((TYPE)_cll1_malloc(sizeof(struct _##TYPE##_t)))
#define _ANYATOM(TYPE,NAME) def_mem(_##NAME##Atom ) { TYPE NAME; int c; list( _##NAME##Atom ); }
#define _FOR_COLUMNS(A,B,C) _NEW(I,0) for( prefix(A,B,C) ; A ; ((A!=B)&&prefix(A,B,C)||(A=NULL) ),_I++ )
#define _FOR_VALID_COLUMNS(A,B,C) _NEW(I,0) for( prefix(A,B,C) ; A ; ((A!=B)&&prefix(A,B,C))||(A=NULL) ) if(*A&&++_I)
//bind_exception, unbind_exception
//#define _CLL1_THROW(ERR)
//#define _CLL1_TRY _NEW_E for(bind_exception(0,NULL);;) if () {.... if(_Eatom->SYS) { if(_Eatom->RET) return; else break;} else { }
-//#define _ASSERT(EXPR) assert(EXPR)
+
/* .----------------------------------------------------------------------.
/ 98. We have have done our homework - now let's have some fun:
'----------------------------------------------------------------------- */
#define _INIT_VARIABLES _EXPORT_GLOBALS _EXPORT_YES _EXPORT_STACKS _SQL_GLOBALS _CGI_GLOBALS
-#define _IMPL_FUNCTIONS _MALLOC _EXPORT_OUTS _EXPORT_ARGS _EXPORT_STRS
+#define _IMPL_FUNCTIONS /*_MALLOC*/ _EXPORT_OUTS _EXPORT_ARGS _EXPORT_STRS
#define _IMPL_INTERFACE //_SQL_IFC _CAKE_IFC _STD_IFC _X_IFC
#define _IMPLEMENT_CLL1_LIBRARY _INIT_VARIABLES _IMPL_FUNCTIONS _IMPL_INTERFACE
#define _PROGRAM _cll1_program
#include "cll1.h"
/* This is C<<1 rewrite of object polymorphism from
- http://en.wikipedia.org/wiki/Polymorphism_in_object-oriented_programming */
-
-def_type(Animal);
+ http://en.wikipedia.org/wiki/Polymorphism_in_object-oriented_programming
+
+ Of course there are easier ways to do the same thing... :-)
+ (G)2008 xChas */
def_mem(Actions)
{
- void method(init) (Animal self, str name);
- str method(talk) (Animal self);
+ str method(talk) (anonymous self);
};
-def_obj(Animal)
+def_mem(Animal)
{
interface(Actions);
char *name;
};
-Animal construct(Animal) (Animal self, str name)
+construct(Animal) (Animal self, str name)
{
self->name = name;
return self;
}
-str cat_talk(Animal self)
+str cat_talk(anonymous self)
{
return "Meow!";
}
-str dog_talk(Animal self)
+str dog_talk(anonymous self)
{
return "Arf! Arf!";
}
Actions cat_actions(void)
{
- Actions this=get_mem(Actions);
+ Get_mem(this,Actions);
+
this->talk = cat_talk;
return this;
}
Actions dog_actions(void)
{
- Actions this=get_mem(Actions);
+ Get_mem(this,Actions);
+
this->talk = dog_talk;
return this;
}
Actions cat = cat_actions();
Actions dog = dog_actions();
- animal[0] = get_obj(Animal, cat, "Missy");
- animal[1] = get_obj(Animal, cat, "Mr. Bojangles");
- animal[2] = get_obj(Animal, dog, "Lassie");
+ animal[0] = get_obj(Animal,cat,"Missy");
+ animal[1] = get_obj(Animal,cat,"Mr. Bojangles");
+ animal[2] = get_obj(Animal,dog,"Lassie");
for_range(i, 0, 2)
{
- printf("%s: %s\n", animal[i]->name, _(talk, animal[i]));
+ print(animal[i]->name,":",_(talk,animal[i]));
}
}