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Testing out basic arg count validation

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Justin Ethier 2015-07-13 22:16:57 -04:00
parent 2d8c6ed5f3
commit 72c32de774
1 changed files with 11 additions and 0 deletions
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11
runtime.c
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@ -9,6 +9,16 @@
#include "cyclone.h"
#include "runtime.h"
/* TODO: working on validation for applying functions */
#define Cyc_check_num_args(fnc_name, num_args, args) { \
integer_type l = Cyc_length(args); \
if (num_args > l.value) { \
char buf[256]; \
snprintf(buf, 255, "Expected %d arguments but received %d.", num_args, l.value); \
Cyc_rt_raise_msg(buf); \
} \
}
/* Funcall section, these are hardcoded here to support
functions in this module. */
#define funcall1(cfn,a1) if (type_of(cfn) == cons_tag || prim(cfn)) { Cyc_apply(0, (closure)a1, cfn); } else { ((cfn)->fn)(1,cfn,a1);}
@ -1186,6 +1196,7 @@ cvar_type *mcvar(object *var) {
void _Cyc_91global_91vars(object cont, object args){
return_funcall1(cont, Cyc_global_variables); }
void _car(object cont, object args) {
Cyc_check_num_args("car", 1, args);
return_funcall1(cont, car(car(args))); }
void _cdr(object cont, object args) {
return_funcall1(cont, cdr(car(args))); }