added ops for C codegen

cl-forth.lisp

@@ -188,35 +188,11 @@
 
 (defmethod write-program ((target (eql :c)) program out &key (mem-cap 640000))
   (declare (ignore mem-cap))
-  (format out
-          "#include <stdio.h>
-
-struct Stack {
-    int content[100];
-    int i;
-};
-
-typedef struct Stack Stack;
-
-void push(Stack* stack, int val){
-    stack->content[stack->i] = val;
-    stack->i += 1;
-}
-
-int pop(Stack* stack){
-    stack->i -= 1;
-    return stack->content[stack->i];
-}
-
-Stack stack;
-int rax, rbx;
-
-int main(void){
-    stack.i = 0;
-")
-  (iter (for op in-sequence program)
-        (write-op target out (car op) (cdr op)))
-  (format out "    return 0;~%}~%"))
+  (gen-c-stack out)
+  (with-c-fn (:int main) () out
+    (iter (for op in-sequence program)
+          (write-op target out (car op) (cdr op)))
+    (format out "~%    return 0;~%")))
 
 (defun generate-program (program
                          &key (path "output.asm") (compile nil)
@@ -238,7 +214,9 @@ int main(void){
          :output t :silence silence)))
 
 (defmethod compile-program ((target (eql :c)) path silence)
-  (run `("gcc" ,path) :output t :silence silence))
+  (let ((name (first (uiop:split-string path :separator '(#\.)))))
+    (run `("gcc" ,path "-o" ,name)
+         :output t :silence silence)))