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apply

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This commit is contained in:
Keisuke Nishida 2001-04-07 23:32:03 +00:00
parent 25ec54b542
commit c8b9df71f7
1 changed files with 19 additions and 2 deletions
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19
src/vm_system.c
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@ -281,9 +281,10 @@ VM_DEFINE_INSTRUCTION (call, "call", 1, -1, 1)
{
SCM x;
nargs = FETCH ();
x = sp[-nargs];
vm_call:
x = sp[-nargs];
/*
* Subprogram call
*/
@ -412,7 +413,23 @@ VM_DEFINE_INSTRUCTION (tail_call, "tail-call", 1, -1, 1)
VM_DEFINE_INSTRUCTION (apply, "apply", 1, -1, 1)
{
int len;
SCM ls;
POP (ls);
nargs = FETCH ();
if (nargs < 2)
goto vm_error_wrong_num_args;
len = scm_ilength (ls);
if (len < 0)
goto vm_error_wrong_type_arg;
for (; !SCM_NULLP (ls); ls = SCM_CDR (ls))
PUSH (SCM_CAR (ls));
nargs += len - 2;
goto vm_call;
}
VM_DEFINE_INSTRUCTION (call_cc, "call/cc", 1, 1, 1)