diff options
-rw-r--r-- | ChangeLog | 14 | ||||
-rw-r--r-- | eval.c | 78 | ||||
-rw-r--r-- | gc.h | 3 | ||||
-rw-r--r-- | lib.c | 154 |
4 files changed, 135 insertions, 114 deletions
@@ -1,3 +1,17 @@ +2015-03-31 Kaz Kylheku <kaz@kylheku.com> + + Deal with spurious retention in function application. + + * gc.h (zap): New inline function. + (z): New macro. + + * lib.c (generic_funcall, funcall1, funcall2, funcall4, do_not, + do_dup, do_iff): Use z macro to burn funargs with no next use. + + * eval.c (apply, apply_frob_args, iapply, call, do_eval, + op_dwim, mapcarv, mappendv, lazy_mapcarv_func, mapdov, do_apf, + do_ipf, callf): Use z macro to burn funargs with no next use. + 2015-03-30 Kaz Kylheku <kaz@kylheku.com> * stream.c (vformat): Bugfix: ~X printing in lower case, like ~x, @@ -663,29 +663,29 @@ val apply(val fun, val arglist, val ctx_form) case F0: return fun->f.f.f0(fun->f.env); case F1: - return fun->f.f.f1(fun->f.env, arg[0]); + return fun->f.f.f1(fun->f.env, z(arg[0])); case F2: - return fun->f.f.f2(fun->f.env, arg[0], arg[1]); + return fun->f.f.f2(fun->f.env, z(arg[0]), z(arg[1])); case F3: - return fun->f.f.f3(fun->f.env, arg[0], arg[1], arg[2]); + return fun->f.f.f3(fun->f.env, z(arg[0]), z(arg[1]), z(arg[2])); case F4: - return fun->f.f.f4(fun->f.env, arg[0], arg[1], arg[2], arg[3]); + return fun->f.f.f4(fun->f.env, z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3])); case N0: return fun->f.f.n0(); case N1: - return fun->f.f.n1(arg[0]); + return fun->f.f.n1(z(arg[0])); case N2: - return fun->f.f.n2(arg[0], arg[1]); + return fun->f.f.n2(z(arg[0]), z(arg[1])); case N3: - return fun->f.f.n3(arg[0], arg[1], arg[2]); + return fun->f.f.n3(z(arg[0]), z(arg[1]), z(arg[2])); case N4: - return fun->f.f.n4(arg[0], arg[1], arg[2], arg[3]); + return fun->f.f.n4(z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3])); case N5: - return fun->f.f.n5(arg[0], arg[1], arg[2], arg[3], arg[4]); + return fun->f.f.n5(z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3]), z(arg[4])); case N6: - return fun->f.f.n6(arg[0], arg[1], arg[2], arg[3], arg[4], arg[5]); + return fun->f.f.n6(z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3]), z(arg[4]), z(arg[5])); case N7: - return fun->f.f.n7(arg[0], arg[1], arg[2], arg[3], arg[4], arg[5], arg[6]); + return fun->f.f.n7(z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3]), z(arg[4]), z(arg[5]), z(arg[6])); case FINTERP: internal_error("unsupported function type"); } @@ -703,33 +703,33 @@ val apply(val fun, val arglist, val ctx_form) switch (fun->f.functype) { case FINTERP: - return interp_fun(fun->f.env, fun->f.f.interp_fun, arglist); + return interp_fun(fun->f.env, fun->f.f.interp_fun, z(arglist)); case F0: - return fun->f.f.f0v(fun->f.env, arglist); + return fun->f.f.f0v(fun->f.env, z(arglist)); case F1: - return fun->f.f.f1v(fun->f.env, arg[0], arglist); + return fun->f.f.f1v(fun->f.env, z(arg[0]), z(arglist)); case F2: - return fun->f.f.f2v(fun->f.env, arg[0], arg[1], arglist); + return fun->f.f.f2v(fun->f.env, z(arg[0]), z(arg[1]), z(arglist)); case F3: - return fun->f.f.f3v(fun->f.env, arg[0], arg[1], arg[2], arglist); + return fun->f.f.f3v(fun->f.env, z(arg[0]), z(arg[1]), z(arg[2]), z(arglist)); case F4: - return fun->f.f.f4v(fun->f.env, arg[0], arg[1], arg[2], arg[3], arglist); + return fun->f.f.f4v(fun->f.env, z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3]), z(arglist)); case N0: - return fun->f.f.n0v(arglist); + return fun->f.f.n0v(z(arglist)); case N1: - return fun->f.f.n1v(arg[0], arglist); + return fun->f.f.n1v(z(arg[0]), z(arglist)); case N2: - return fun->f.f.n2v(arg[0], arg[1], arglist); + return fun->f.f.n2v(z(arg[0]), z(arg[1]), z(arglist)); case N3: - return fun->f.f.n3v(arg[0], arg[1], arg[2], arglist); + return fun->f.f.n3v(z(arg[0]), z(arg[1]), z(arg[2]), z(arglist)); case N4: - return fun->f.f.n4v(arg[0], arg[1], arg[2], arg[3], arglist); + return fun->f.f.n4v(z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3]), z(arglist)); case N5: - return fun->f.f.n5v(arg[0], arg[1], arg[2], arg[3], arg[4], arglist); + return fun->f.f.n5v(z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3]), z(arg[4]), z(arglist)); case N6: - return fun->f.f.n6v(arg[0], arg[1], arg[2], arg[3], arg[4], arg[5], arglist); + return fun->f.f.n6v(z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3]), z(arg[4]), z(arg[5]), z(arglist)); case N7: - return fun->f.f.n7v(arg[0], arg[1], arg[2], arg[3], arg[4], arg[5], arg[6], arglist); + return fun->f.f.n7v(z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3]), z(arg[4]), z(arg[5]), z(arg[6]), z(arglist)); } } @@ -753,7 +753,7 @@ static val apply_frob_args(val args) val apply_intrinsic(val fun, val args) { - return apply(fun, apply_frob_args(args), nil); + return apply(fun, apply_frob_args(z(args)), nil); } static val iapply(val fun, val args) @@ -779,12 +779,12 @@ static val iapply(val fun, val args) } } - return apply(fun, mod_args, nil); + return apply(fun, z(mod_args), nil); } static val call(val fun, val args) { - return apply(fun, args, cons(apply_s, nil)); + return apply(fun, z(args), cons(apply_s, nil)); } static val list_star_intrinsic(val args) @@ -1043,7 +1043,7 @@ static val do_eval(val form, val env, val ctx_form, val args = do_eval_args(rest(form), env, form, &lookup_var); debug_frame(oper, args, nil, env, nil, nil, nil); last_form_evaled = form; - debug_return (apply(cdr(fbinding), args, form)); + debug_return (apply(cdr(fbinding), z(args), form)); debug_end; } } @@ -2003,7 +2003,9 @@ static val op_return_from(val form, val env) static val op_dwim(val form, val env) { val args = eval_args_lisp1(cdr(form), env, form); - return apply(car(args), cdr(args), form); + val fi = car(args); + val re = cdr(z(args)); + return apply(z(fi), z(re), form); } static val op_catch(val form, val env) @@ -3151,7 +3153,7 @@ val mapcarv(val fun, val list_of_lists) deref(car_l(iter)) = cdr(list); } - otail = list_collect(otail, apply(fun, args, nil)); + otail = list_collect(otail, apply(fun, z(args), nil)); } } } @@ -3177,7 +3179,7 @@ static val mappendv(val fun, val list_of_lists) deref(car_l(iter)) = cdr(list); } - otail = list_collect_append(otail, apply(fun, args, nil)); + otail = list_collect_append(otail, apply(fun, z(args), nil)); } } } @@ -3210,7 +3212,7 @@ static val lazy_mapcarv_func(val env, val lcons) val args = mapcar(car_f, lofl); val next = mapcar(cdr_f, lofl); - rplaca(lcons, apply(fun, args, nil)); + rplaca(lcons, apply(fun, z(args), nil)); rplacd(env, next); if (all_satisfy(next, identity_f, identity_f)) @@ -3256,7 +3258,7 @@ static val mapdov(val fun, val list_of_lists) deref(car_l(iter)) = cdr(list); } - apply(fun, args, nil); + apply(fun, z(args), nil); } } } @@ -3627,7 +3629,7 @@ static val retf(val ret) static val do_apf(val fun, val args) { - return apply_intrinsic(fun, args); + return apply_intrinsic(fun, z(args)); } static val apf(val fun) @@ -3637,7 +3639,7 @@ static val apf(val fun) static val do_ipf(val fun, val args) { - return iapply(fun, args); + return iapply(fun, z(args)); } static val ipf(val fun) @@ -3655,8 +3657,8 @@ static val callf(val func, val funlist) static val do_mapf(val env, val args) { cons_bind (fun, funlist, env); - val mapped_args = mapcarv(call_f, cons(funlist, cons(args, nil))); - return apply(fun, mapped_args, nil); + val mapped_args = mapcarv(call_f, cons(funlist, cons(z(args), nil))); + return apply(fun, z(mapped_args), nil); } static val mapf(val fun, val funlist) @@ -55,3 +55,6 @@ extern val break_obj; #define gc_hint(var) gc_hint_func(&var) #define REACHABLE 0x100 #define FREE 0x200 + +INLINE val zap(volatile val *loc) { val ret = *loc; *loc = nil; return ret; } +#define z(lvalue) zap(&lvalue) @@ -4174,29 +4174,29 @@ val generic_funcall(val fun, val arg[], int nargs) case F0: return fun->f.f.f0(fun->f.env); case F1: - return fun->f.f.f1(fun->f.env, arg[0]); + return fun->f.f.f1(fun->f.env, z(arg[0])); case F2: - return fun->f.f.f2(fun->f.env, arg[0], arg[1]); + return fun->f.f.f2(fun->f.env, z(arg[0]), z(arg[1])); case F3: - return fun->f.f.f3(fun->f.env, arg[0], arg[1], arg[2]); + return fun->f.f.f3(fun->f.env, z(arg[0]), z(arg[1]), z(arg[2])); case F4: - return fun->f.f.f4(fun->f.env, arg[0], arg[1], arg[2], arg[3]); + return fun->f.f.f4(fun->f.env, z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3])); case N0: return fun->f.f.n0(); case N1: - return fun->f.f.n1(arg[0]); + return fun->f.f.n1(z(arg[0])); case N2: - return fun->f.f.n2(arg[0], arg[1]); + return fun->f.f.n2(z(arg[0]), z(arg[1])); case N3: - return fun->f.f.n3(arg[0], arg[1], arg[2]); + return fun->f.f.n3(z(arg[0]), z(arg[1]), z(arg[2])); case N4: - return fun->f.f.n4(arg[0], arg[1], arg[2], arg[3]); + return fun->f.f.n4(z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3])); case N5: - return fun->f.f.n5(arg[0], arg[1], arg[2], arg[3], arg[4]); + return fun->f.f.n5(z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3]), z(arg[4])); case N6: - return fun->f.f.n6(arg[0], arg[1], arg[2], arg[3], arg[4], arg[5]); + return fun->f.f.n6(z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3]), z(arg[4]), z(arg[5])); case N7: - return fun->f.f.n7(arg[0], arg[1], arg[2], arg[3], arg[4], arg[5], arg[6]); + return fun->f.f.n7(z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3]), z(arg[4]), z(arg[5]), z(arg[6])); case FINTERP: internal_error("unsupported function type"); } @@ -4214,33 +4214,33 @@ val generic_funcall(val fun, val arg[], int nargs) switch (fun->f.functype) { case FINTERP: - return interp_fun(fun->f.env, fun->f.f.interp_fun, arglist); + return interp_fun(fun->f.env, fun->f.f.interp_fun, z(arglist)); case F0: - return fun->f.f.f0v(fun->f.env, arglist); + return fun->f.f.f0v(fun->f.env, z(arglist)); case F1: - return fun->f.f.f1v(fun->f.env, arg[0], arglist); + return fun->f.f.f1v(fun->f.env, z(arg[0]), z(arglist)); case F2: - return fun->f.f.f2v(fun->f.env, arg[0], arg[1], arglist); + return fun->f.f.f2v(fun->f.env, arg[0], arg[1], z(arglist)); case F3: - return fun->f.f.f3v(fun->f.env, arg[0], arg[1], arg[2], arglist); + return fun->f.f.f3v(fun->f.env, arg[0], arg[1], arg[2], z(arglist)); case F4: - return fun->f.f.f4v(fun->f.env, arg[0], arg[1], arg[2], arg[3], arglist); + return fun->f.f.f4v(fun->f.env, arg[0], arg[1], arg[2], arg[3], z(arglist)); case N0: - return fun->f.f.n0v(arglist); + return fun->f.f.n0v(z(arglist)); case N1: - return fun->f.f.n1v(arg[0], arglist); + return fun->f.f.n1v(z(arg[0]), z(arglist)); case N2: - return fun->f.f.n2v(arg[0], arg[1], arglist); + return fun->f.f.n2v(z(arg[0]), z(arg[1]), z(arglist)); case N3: - return fun->f.f.n3v(arg[0], arg[1], arg[2], arglist); + return fun->f.f.n3v(z(arg[0]), z(arg[1]), z(arg[2]), z(arglist)); case N4: - return fun->f.f.n4v(arg[0], arg[1], arg[2], arg[3], arglist); + return fun->f.f.n4v(z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3]), z(arglist)); case N5: - return fun->f.f.n5v(arg[0], arg[1], arg[2], arg[3], arg[4], arglist); + return fun->f.f.n5v(z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3]), z(arg[4]), z(arglist)); case N6: - return fun->f.f.n6v(arg[0], arg[1], arg[2], arg[3], arg[4], arg[5], arglist); + return fun->f.f.n6v(z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3]), z(arg[4]), z(arg[5]), z(arglist)); case N7: - return fun->f.f.n7v(arg[0], arg[1], arg[2], arg[3], arg[4], arg[5], arg[6], arglist); + return fun->f.f.n7v(z(arg[0]), z(arg[1]), z(arg[2]), z(arg[3]), z(arg[4]), z(arg[5]), z(arg[6]), z(arglist)); } } @@ -4282,7 +4282,7 @@ val funcall1(val fun, val arg) { if (type(fun) != FUN || fun->f.optargs) { val args[32]; - args[0] = arg; + args[0] = z(arg); return generic_funcall(fun, args, 1); } @@ -4295,18 +4295,18 @@ val funcall1(val fun, val arg) case N0: return fun->f.f.n0v(cons(arg, nil)); case F1: - return fun->f.f.f1v(fun->f.env, arg, nil); + return fun->f.f.f1v(fun->f.env, z(arg), nil); case N1: - return fun->f.f.n1v(arg, nil); + return fun->f.f.n1v(z(arg), nil); default: break; } } else { switch (fun->f.functype) { case F1: - return fun->f.f.f1(fun->f.env, arg); + return fun->f.f.f1(fun->f.env, z(arg)); case N1: - return fun->f.f.n1(arg); + return fun->f.f.n1(z(arg)); default: break; } @@ -4318,8 +4318,8 @@ val funcall2(val fun, val arg1, val arg2) { if (type(fun) != FUN || fun->f.optargs) { val arg[32]; - arg[0] = arg1; - arg[1] = arg2; + arg[0] = z(arg1); + arg[1] = z(arg2); return generic_funcall(fun, arg, 2); } @@ -4327,28 +4327,28 @@ val funcall2(val fun, val arg1, val arg2) switch (fun->f.functype) { case FINTERP: return interp_fun(fun->f.env, fun->f.f.interp_fun, - cons(arg1, cons(arg2, nil))); + cons(z(arg1), cons(z(arg2), nil))); case F0: - return fun->f.f.f0v(fun->f.env, cons(arg1, cons(arg2, nil))); + return fun->f.f.f0v(fun->f.env, cons(z(arg1), cons(z(arg2), nil))); case N0: - return fun->f.f.n0v(cons(arg1, cons(arg2, nil))); + return fun->f.f.n0v(cons(z(arg1), cons(z(arg2), nil))); case F1: - return fun->f.f.f1v(fun->f.env, arg1, cons(arg2, nil)); + return fun->f.f.f1v(fun->f.env, z(arg1), cons(z(arg2), nil)); case N1: - return fun->f.f.n1v(arg1, cons(arg2, nil)); + return fun->f.f.n1v(z(arg1), cons(z(arg2), nil)); case F2: - return fun->f.f.f2v(fun->f.env, arg1, arg2, nil); + return fun->f.f.f2v(fun->f.env, z(arg1), z(arg2), nil); case N2: - return fun->f.f.n2v(arg1, arg2, nil); + return fun->f.f.n2v(z(arg1), z(arg2), nil); default: break; } } else { switch (fun->f.functype) { case F2: - return fun->f.f.f2(fun->f.env, arg1, arg2); + return fun->f.f.f2(fun->f.env, z(arg1), z(arg2)); case N2: - return fun->f.f.n2(arg1, arg2); + return fun->f.f.n2(z(arg1), z(arg2)); default: break; } @@ -4360,9 +4360,9 @@ val funcall3(val fun, val arg1, val arg2, val arg3) { if (type(fun) != FUN || fun->f.optargs) { val arg[32]; - arg[0] = arg1; - arg[1] = arg2; - arg[2] = arg3; + arg[0] = z(arg1); + arg[1] = z(arg2); + arg[2] = z(arg3); return generic_funcall(fun, arg, 3); } @@ -4370,32 +4370,32 @@ val funcall3(val fun, val arg1, val arg2, val arg3) switch (fun->f.functype) { case FINTERP: return interp_fun(fun->f.env, fun->f.f.interp_fun, - cons(arg1, cons(arg2, cons(arg3, nil)))); + cons(z(arg1), cons(z(arg2), cons(z(arg3), nil)))); case F0: - return fun->f.f.f0v(fun->f.env, cons(arg1, cons(arg2, cons(arg3, nil)))); + return fun->f.f.f0v(fun->f.env, cons(z(arg1), cons(z(arg2), cons(z(arg3), nil)))); case N0: - return fun->f.f.n0v(cons(arg1, cons(arg2, cons(arg3, nil)))); + return fun->f.f.n0v(cons(z(arg1), cons(z(arg2), cons(z(arg3), nil)))); case F1: - return fun->f.f.f1v(fun->f.env, arg1, cons(arg2, cons(arg3, nil))); + return fun->f.f.f1v(fun->f.env, z(arg1), cons(z(arg2), cons(z(arg3), nil))); case N1: - return fun->f.f.n1v(arg1, cons(arg2, cons(arg3, nil))); + return fun->f.f.n1v(z(arg1), cons(z(arg2), cons(z(arg3), nil))); case F2: - return fun->f.f.f2v(fun->f.env, arg1, arg2, cons(arg3, nil)); + return fun->f.f.f2v(fun->f.env, z(arg1), z(arg2), cons(z(arg3), nil)); case N2: - return fun->f.f.n2v(arg1, arg2, cons(arg3, nil)); + return fun->f.f.n2v(z(arg1), z(arg2), cons(z(arg3), nil)); case F3: - return fun->f.f.f3v(fun->f.env, arg1, arg2, arg3, nil); + return fun->f.f.f3v(fun->f.env, z(arg1), z(arg2), z(arg3), nil); case N3: - return fun->f.f.n3v(arg1, arg2, arg3, nil); + return fun->f.f.n3v(z(arg1), z(arg2), z(arg3), nil); default: break; } } else { switch (fun->f.functype) { case F3: - return fun->f.f.f3(fun->f.env, arg1, arg2, arg3); + return fun->f.f.f3(fun->f.env, z(arg1), z(arg2), z(arg3)); case N3: - return fun->f.f.n3(arg1, arg2, arg3); + return fun->f.f.n3(z(arg1), z(arg2), z(arg3)); default: break; } @@ -4407,10 +4407,10 @@ val funcall4(val fun, val arg1, val arg2, val arg3, val arg4) { if (type(fun) != FUN || fun->f.optargs) { val arg[32]; - arg[0] = arg1; - arg[1] = arg2; - arg[2] = arg3; - arg[3] = arg4; + arg[0] = z(arg1); + arg[1] = z(arg2); + arg[2] = z(arg3); + arg[3] = z(arg4); return generic_funcall(fun, arg, 4); } @@ -4418,36 +4418,36 @@ val funcall4(val fun, val arg1, val arg2, val arg3, val arg4) switch (fun->f.functype) { case FINTERP: return interp_fun(fun->f.env, fun->f.f.interp_fun, - cons(arg1, cons(arg2, cons(arg3, cons(arg4, nil))))); + cons(z(arg1), cons(z(arg2), cons(z(arg3), cons(z(arg4), nil))))); case F0: - return fun->f.f.f0v(fun->f.env, cons(arg1, cons(arg2, cons(arg3, cons(arg4, nil))))); + return fun->f.f.f0v(fun->f.env, cons(z(arg1), cons(z(arg2), cons(z(arg3), cons(z(arg4), nil))))); case N0: - return fun->f.f.n0v(cons(arg1, cons(arg2, cons(arg3, cons(arg4, nil))))); + return fun->f.f.n0v(cons(z(arg1), cons(z(arg2), cons(z(arg3), cons(z(arg4), nil))))); case F1: - return fun->f.f.f1v(fun->f.env, arg1, cons(arg2, cons(arg3, cons(arg4, nil)))); + return fun->f.f.f1v(fun->f.env, z(arg1), cons(z(arg2), cons(z(arg3), cons(z(arg4), nil)))); case N1: - return fun->f.f.n1v(arg1, cons(arg2, cons(arg3, cons(arg4, nil)))); + return fun->f.f.n1v(z(arg1), cons(z(arg2), cons(z(arg3), cons(z(arg4), nil)))); case F2: - return fun->f.f.f2v(fun->f.env, arg1, arg2, cons(arg3, cons(arg4, nil))); + return fun->f.f.f2v(fun->f.env, z(arg1), z(arg2), cons(z(arg3), cons(z(arg4), nil))); case N2: - return fun->f.f.n2v(arg1, arg2, cons(arg3, cons(arg4, nil))); + return fun->f.f.n2v(z(arg1), z(arg2), cons(z(arg3), cons(z(arg4), nil))); case F3: - return fun->f.f.f3v(fun->f.env, arg1, arg2, arg3, cons(arg4, nil)); + return fun->f.f.f3v(fun->f.env, z(arg1), z(arg2), z(arg3), cons(z(arg4), nil)); case N3: - return fun->f.f.n3v(arg1, arg2, arg3, cons(arg4, nil)); + return fun->f.f.n3v(z(arg1), z(arg2), z(arg3), cons(z(arg4), nil)); case F4: - return fun->f.f.f4v(fun->f.env, arg1, arg2, arg3, arg4, nil); + return fun->f.f.f4v(fun->f.env, z(arg1), z(arg2), z(arg3), z(arg4), nil); case N4: - return fun->f.f.n4v(arg1, arg2, arg3, arg4, nil); + return fun->f.f.n4v(z(arg1), z(arg2), z(arg3), z(arg4), nil); default: break; } } else { switch (fun->f.functype) { case F4: - return fun->f.f.f4(fun->f.env, arg1, arg2, arg3, arg4); + return fun->f.f.f4(fun->f.env, z(arg1), z(arg2), z(arg3), z(arg4)); case N4: - return fun->f.f.n4(arg1, arg2, arg3, arg4); + return fun->f.f.n4(z(arg1), z(arg2), z(arg3), z(arg4)); default: break; } @@ -4759,7 +4759,7 @@ val orv(val funlist) static val do_not(val fun, val args) { - return null(apply(fun, args, nil)); + return null(apply(fun, z(args), nil)); } val notf(val fun) @@ -4773,8 +4773,8 @@ static val do_iff(val env, val args) cons_bind (thenfun, elsefun, choices); return if3(apply(condfun, args, nil), - apply(thenfun, args, nil), - if2(elsefun, apply(elsefun, args, nil))); + apply(thenfun, z(args), nil), + if2(elsefun, apply(elsefun, z(args), nil))); } val iff(val condfun, val thenfun, val elsefun) @@ -4792,7 +4792,9 @@ val iffi(val condfun, val thenfun, val elsefun) static val do_dup(val fun, val arg) { - return funcall2(fun, arg, arg); + val arg1 = z(arg); + val arg2 = arg1; + return funcall2(fun, z(arg1), z(arg2)); } val dupl(val fun) |