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Added (call/cc) to interpreter

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This commit is contained in:
Justin Ethier 2015-03-24 17:20:21 -04:00
parent 64a464429a
commit aa1564eda8
2 changed files with 8 additions and 39 deletions
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3
eval.scm
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@ -183,6 +183,7 @@
(define primitive-procedures
(list
(list 'call/cc call/cc)
(list 'Cyc-global-vars Cyc-global-vars)
(list 'Cyc-get-cvar Cyc-get-cvar)
(list 'Cyc-set-cvar! Cyc-set-cvar!)
@ -365,6 +366,8 @@
(lambda (env) exp)) ;; TODO: good enough? update env?
;; END experimental code
((procedure? exp)
(lambda (env) exp))
((application? exp) (analyze-application exp))
(else
(error "Unknown expression type -- ANALYZE" exp))))

44
runtime.h
View file

@ -995,10 +995,7 @@ static object Cyc_integer2char(object n){
return obj_char2obj(val);
}
/*static object sum(object x, object y) {}*/
static void my_exit(closure) never_returns;
static void my_exit(env) closure env; {
#if DEBUG_SHOW_DIAG
printf("my_exit: heap bytes allocated=%d time=%ld ticks no_gcs=%ld no_m_gcs=%ld\n",
@ -1007,42 +1004,6 @@ static void my_exit(env) closure env; {
#endif
exit(0);}
//static void dispatch_error(int argc, object clo, object cont, object obj1, ...) {
// va_list ap;
// va_start(ap, obj1);
// Cyc_error_va(argc, obj1, ap);
// va_end(ap); // Never get this far
//}
//
//static object Cyc_error(int count, object obj1, ...) {
// va_list ap;
// va_start(ap, obj1);
// Cyc_error_va(count, obj1, ap);
// va_end(ap);
//}
//
//static object Cyc_error_va(int count, object obj1, va_list ap) {
// closure ex = (closure)car(Cyc_current_exception_handler());
// object tmp;
// int i;
//
// printf("Error: ");
// Cyc_display(obj1);
// printf("\n");
//
// for (i = 1; i < count; i++) {
// tmp = va_arg(ap, object);
// Cyc_display(tmp);
// printf("\n");
// }
//
// //exit(1);
// //// TODO: Cyc_raise(obj1);
// // TODO: make closure
// (ex->fn)(1, ex, obj1);
// return boolean_f;
//}
static object __halt(object obj) {
#if DEBUG_SHOW_DIAG
printf("\nhalt: ");
@ -1309,8 +1270,13 @@ static void _write(object cont, object args) {
return_funcall1(cont, Cyc_write(car(args))); }
static void _display(object cont, object args) {
return_funcall1(cont, Cyc_display(car(args)));}
static void _call_95cc(object cont, object args){
// TODO: global ref below is unfortunate, should try to refactor it out
return_funcall2(__glo_call_95cc, cont, car(args));
}
/* This section is auto-generated via --autogen */
defprimitive(call_95cc, call/cc, &_call_95cc);
defprimitive(Cyc_91global_91vars, Cyc-global-vars, &_Cyc_91global_91vars); /* Cyc-global-vars */
defprimitive(Cyc_91get_91cvar, Cyc-get-cvar, &_Cyc_91get_91cvar); /* Cyc-get-cvar */
defprimitive(Cyc_91set_91cvar_67, Cyc-set-cvar!, &_Cyc_91set_91cvar_67); /* Cyc-set-cvar! */