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Don't store result arity of reduced-arity functions in a field.

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Instead compute it on the fly.
This commit is contained in:
Vincent St-Amour 2016-03-08 17:00:53 -06:00
parent 9fdffc446a
commit 747185184b
1 changed files with 4 additions and 5 deletions
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9
racket/src/racket/src/fun.c
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@ -2944,7 +2944,7 @@ static Scheme_Object *procedure_result_arity(int argc, Scheme_Object *argv[])
return scheme_make_integer(1);
} else if (SCHEME_STRUCTP(o)
&& scheme_is_struct_instance(scheme_reduced_procedure_struct, o)) {
return ((Scheme_Structure *)o)->slots[4];
return procedure_result_arity(1, &((Scheme_Structure *)o)->slots[0]);
} else if (!SCHEME_PROCP(o)) {
scheme_wrong_contract("procedure-result-arity", "procedure?", 0, argc, argv);
return NULL;
@ -3138,7 +3138,7 @@ void scheme_init_reduced_proc_struct(Scheme_Env *env)
scheme_reduced_procedure_struct = scheme_make_struct_type2(NULL,
NULL,
(Scheme_Object *)insp,
5, 0,
4, 0,
scheme_false,
scheme_null,
scheme_make_integer(0),
@ -3148,7 +3148,7 @@ void scheme_init_reduced_proc_struct(Scheme_Env *env)
static Scheme_Object *make_reduced_proc(Scheme_Object *proc, Scheme_Object *aty, Scheme_Object *name, Scheme_Object *is_meth)
{
Scheme_Object *a[5];
Scheme_Object *a[4];
if (SCHEME_STRUCTP(proc)
&& scheme_is_struct_instance(scheme_reduced_procedure_struct, proc)) {
@ -3164,9 +3164,8 @@ static Scheme_Object *make_reduced_proc(Scheme_Object *proc, Scheme_Object *aty,
a[1] = aty;
a[2] = (name ? name : scheme_false);
a[3] = (is_meth ? is_meth : scheme_false);
a[4] = procedure_result_arity(1, &proc);
return scheme_make_struct_instance(scheme_reduced_procedure_struct, 5, a);
return scheme_make_struct_instance(scheme_reduced_procedure_struct, 4, a);
}
static int is_subarity(Scheme_Object *req, Scheme_Object *orig, int req_delta)