preparing 0.9 version, rename to crl1.h

[svn/Cll1h/.git] / demos / ansi-c / objects-c99.c

diff --git a/demos/ansi-c/objects-c99.c b/demos/ansi-c/objects-c99.c
deleted file mode 100644 (file)
index f9884ff..0000000
--- a/demos/ansi-c/objects-c99.c
+++ /dev/null
@@ -1,134 +0,0 @@
-#include <stdio.h>
-#include <malloc.h>
-#include <assert.h>
-
-#define CONFEDERATION(IFACE,TYPE) struct IFACE *interface;struct TYPE *next
-#define CREATE(TYPE) (struct TYPE *)malloc(sizeof(struct TYPE))
-#define APPEND(TYPE,MEMBER,LIST) (MEMBER?MEMBER->next=(struct TYPE *)LIST:0,LIST=(struct TYPE *)MEMBER)
-#define SELF void *_self, void *_dummy
-#define I_AM(TYPE) struct TYPE *self=(struct TYPE *)_self;
-
-struct Drawable_data
-{
- CONFEDERATION(Drawable_interface,Drawable_data);
-};
-
-struct Drawable_interface
-{
- void (*draw)(SELF);
- int (*desc)(SELF, int something);
-};
-
-struct Tri
-{
- CONFEDERATION(Drawable_interface,Drawable_data);
- int x1; int y1; int x2; int y2; int x3; int y3;
-};
-
-struct Rect
-{
- CONFEDERATION(Drawable_interface,Drawable_data);
- int x1; int y1; int x2; int y2;
-};
-
-void draw_tri(SELF)
-{
- I_AM(Tri);
- printf("imagine I am drawing %d,%d - %d,%d - %d,%d\n",self->x1,self->y1,self->x2,self->y2,self->x3,self->y3);
-};
-
-void draw_rect(SELF)
-{
- I_AM(Rect);
- printf("imagine I am drawing %d,%d - %d,%d\n",self->x1,self->y1,self->x2,self->y2);
-};
-
-int desc_tri(SELF, int something)
-{
- I_AM(Tri);
- printf("I am triangle %d,%d - %d,%d - %d,%d, method draw called with argument: %d\n",self->x1,self->y1,self->x2,self->y2,self->x3,self->y3, something);
- return something;
-};
-
-int desc_rect(SELF, int something)
-{
- I_AM(Rect);
- printf("I am rectangle %d,%d - %d,%d, method draw called with argument: %d\n",self->x1,self->y1,self->x2,self->y2, something);
- return something;
-};
-
-struct Drawable_interface *init_tri_interface(void)
-{
- struct Drawable_interface *i=CREATE(Drawable_interface); 
- /* vsechny metody je bohuzel potreba bindnout rucne, neda se svitit... */
- if(i) { i->draw=draw_tri; i->desc=desc_tri; }  
- return i;
-}
-
-struct Drawable_interface *init_rect_interface(void)
-{
- struct Drawable_interface *i=CREATE(Drawable_interface); 
- /* vsechny metody je bohuzel potreba bindnout rucne, neda se svitit... */
- if(i) { i->draw=draw_rect; i->desc=desc_rect; }
- return i;
-}
-
-struct Tri *create_tri(struct Drawable_interface *i, int x1, int y1, int x2, int y2, int x3, int y3)
-{
- struct Tri *t=CREATE(Tri);
- if(i && t) 
- {
-  t->interface=i;
-  t->x1=x1;t->y1=y1;t->x2=x2;t->y2=y2;t->x3=x3;t->y3=y3;
- }
- return t;
-}
-
-struct Rect *create_rect(struct Drawable_interface *i, int x1, int y1, int x2, int y2)
-{
- struct Rect *r=CREATE(Rect);
- if(i && r) 
- {
-  r->interface=i;
-  r->x1=x1;r->y1=y1;r->x2=x2;r->y2=y2;
- }
- return r;
-}
-
-int main(void) 
-{
- struct Drawable_interface *tri_interface=init_tri_interface();
- struct Drawable_interface *rect_interface=init_rect_interface();
- struct Drawable_data *all=NULL,*one;
- struct Tri *t;
- struct Rect *r; 
- 
- r=create_rect(rect_interface,0,10,1,11);
- APPEND(Drawable_data,r,all);
- t=create_tri(tri_interface,0,0,0,4,3,0);
- APPEND(Drawable_data,t,all);
- r=create_rect(rect_interface,10,0,11,1);
- APPEND(Drawable_data,r,all);
-
- /* a nyni ... bylo to hodne prace, ale povedlo se ... ! */
-
- for(one=all;one;one=one->next)
- {
-  printf("(return value %d)\n",(*(one->interface->desc)) (one,NULL,0));
-  (*(one->interface->draw)) (one,NULL);
- }
-
- /* ...a nakonec pro efekt jeste instatni nudlovy kod s kanci prichuti dle ANSI C99: */
-
-#define _ARG1(ARG1,...) ARG1
-#define _(OBJECT,...) (assert(OBJECT),/**/(*(OBJECT->interface->_ARG1(__VA_ARGS__,)))/**/(OBJECT,OBJECT->interface->__VA_ARGS__)/**/)
-#define FOR_EACH(ONE,ALL) for(ONE=ALL;ONE;ONE=ONE->next)
-
- FOR_EACH(one,all)
- {
-    printf("(return value %d)\n",_(one,desc,1));
-   _(one,draw);
- }
-
- return 0;
-}