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Added UNPACK_VARARG code.

This commit is contained in:
Guido van Rossum 1992-01-14 18:29:20 +00:00
parent 31104f4624
commit 6a3f9a841a
1 changed files with 36 additions and 0 deletions
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36
Python/ceval.c
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@ -639,6 +639,42 @@ eval_code(co, globals, locals, arg)
err_setstr(NameError, getstringvalue(w));
break;
case UNPACK_VARARG:
if (EMPTY()) {
err_setstr(TypeError,
"no argument list");
why = WHY_EXCEPTION;
break;
}
v = POP();
if (!is_tupleobject(v)) {
err_setstr(TypeError,
"bad argument list");
why = WHY_EXCEPTION;
}
else if (gettuplesize(v) < oparg) {
err_setstr(TypeError,
"not enough arguments");
why = WHY_EXCEPTION;
}
else if (oparg == 0) {
PUSH(v);
break;
}
else {
x = gettupleslice(v, oparg, gettuplesize(v));
if (x != NULL) {
PUSH(x);
for (; --oparg >= 0; ) {
w = gettupleitem(v, oparg);
INCREF(w);
PUSH(w);
}
}
}
DECREF(v);
break;
case UNPACK_ARG:
/* Implement various compatibility hacks:
(a) f(a,b,...) should accept f((1,2,...))