objects

commit 2428e341dda9eb15c247da933e0c179659f8f2d4
parent 5d521040b8e29ce7154c631c43f1bd4fb5d8aab9
Author: Remy Noulin (Spartatek) <remy.noulin@spartatek.se>
Date:   Tue, 21 Feb 2017 13:49:22 +0100

basic C objects

README.md |  7 +++++++
main.c    | 45 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 52 insertions(+)

Diffstat:
A
README.md
 | 
7
+++++++
A
main.c
 | 
45
+++++++++++++++++++++++++++++++++++++++++++++

2 files changed, 52 insertions(+), 0 deletions(-)
diff --git a/README.md b/README.md
@@ -0,0 +1,7 @@
+C objects
+
+Run:
+
+gcc -ggdb main.c
+gdb -tui a.out
+
diff --git a/main.c b/main.c
@@ -0,0 +1,45 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+void print(char *s) {
+  printf(s);
+}
+
+typedef struct class classt;
+typedef void (*printt)(char *string);
+typedef void (*terminateClasstt)(classt **self);
+
+struct class { int a; printt print; terminateClasstt terminate;};
+
+#define createclasst(obj) classt obj; initiateclasst(&obj)
+#define createAllocateclasst(obj) classt *obj; initiateAllocateclasst(&obj)
+void initiateclasst(classt *self);
+void terminateclasst(classt **self);
+
+void initiateAllocateclasst(classt **self) {
+  
+  (*self) = malloc(sizeof(classt));
+  initiateclasst(*self);
+}
+
+void initiateclasst(classt *self) {
+  
+  self->terminate = terminateclasst;
+  self->a = 0;
+  self->print = print;
+}
+
+void terminateclasst(classt **self) {
+
+  free((*self));
+}
+
+void main() {
+
+  createclasst(obj1);
+  obj1.print("\nRegular Object\n");
+
+  createAllocateclasst(obj2);
+  obj2->print("\nObject in heap\n");
+  obj2->terminate(&obj2);
+}