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gpgscm: Introduce macro for the vector length.

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* tests/gpgscm/scheme.c (vector_length): New macro.
(get_vector_object): Use the new macro.
(oblist_add_by_name): Likewise.
(oblist_find_by_name): Likewise.
(oblist_all_symbols): Likewise.
(mk_vector): Likewise.
(mark): Likewise.
(new_slot_spec_in_env): Likewise.
(find_slot_spec_in_env): Likewise.
(opexe_2): Likewise.
(opexe_5): Likewise.
--

Introducing an abstraction reduces the coupling between code using
vectors and the implementation of vectors.

Signed-off-by: Justus Winter <justus@g10code.com>
This commit is contained in:
Justus Winter 2017-01-30 15:39:57 +01:00
parent 59048b0f1a
commit 489edf84c9
1 changed files with 13 additions and 12 deletions
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25
tests/gpgscm/scheme.c
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@ -210,6 +210,7 @@ INTERFACE INLINE int is_string(pointer p) { return (type(p)==T_STRING); }
INTERFACE static int is_list(scheme *sc, pointer p);
INTERFACE INLINE int is_vector(pointer p) { return (type(p)==T_VECTOR); }
#define vector_length(v) ivalue_unchecked(v)
INTERFACE static void fill_vector(pointer vec, pointer obj);
INTERFACE static pointer vector_elem(pointer vec, int ielem);
INTERFACE static pointer set_vector_elem(pointer vec, int ielem, pointer a);
@ -1022,7 +1023,7 @@ static pointer get_vector_object(scheme *sc, int len, pointer init)
if(sc->no_memory) { return sc->sink; }
/* Record it as a vector so that gc understands it. */
typeflag(cells) = (T_VECTOR | T_ATOM);
ivalue_unchecked(cells)=len;
vector_length(cells) = len;
set_num_integer(cells);
fill_vector(cells,init);
if (gc_enabled (sc))
@ -1092,7 +1093,7 @@ static pointer oblist_add_by_name(scheme *sc, const char *name)
typeflag(x) = T_SYMBOL;
setimmutable(car(x));
location = hash_fn(name, ivalue_unchecked(sc->oblist));
location = hash_fn(name, vector_length(sc->oblist));
set_vector_elem(sc->oblist, location,
immutable_cons(sc, x, vector_elem(sc->oblist, location)));
gc_enable(sc);
@ -1105,7 +1106,7 @@ static INLINE pointer oblist_find_by_name(scheme *sc, const char *name)
pointer x;
char *s;
location = hash_fn(name, ivalue_unchecked(sc->oblist));
location = hash_fn(name, vector_length(sc->oblist));
for (x = vector_elem(sc->oblist, location); x != sc->NIL; x = cdr(x)) {
s = symname(car(x));
/* case-insensitive, per R5RS section 2. */
@ -1122,7 +1123,7 @@ static pointer oblist_all_symbols(scheme *sc)
pointer x;
pointer ob_list = sc->NIL;
for (i = 0; i < ivalue_unchecked(sc->oblist); i++) {
for (i = 0; i < vector_length(sc->oblist); i++) {
for (x = vector_elem(sc->oblist, i); x != sc->NIL; x = cdr(x)) {
ob_list = cons(sc, x, ob_list);
}
@ -1324,7 +1325,7 @@ INTERFACE static pointer mk_vector(scheme *sc, int len)
INTERFACE static void fill_vector(pointer vec, pointer obj) {
int i;
int n = ivalue(vec)/2+ivalue(vec)%2;
int n = vector_length(vec) / 2 + vector_length(vec) % 2;
for(i=0; i < n; i++) {
typeflag(vec+1+i) = T_PAIR;
setimmutable(vec+1+i);
@ -1546,7 +1547,7 @@ static void mark(pointer a) {
E2: setmark(p);
if(is_vector(p)) {
int i;
int n = ivalue_unchecked(p)/2+ivalue_unchecked(p)%2;
int n = vector_length(p) / 2 + vector_length(p) % 2;
for(i=0; i < n; i++) {
/* Vector cells will be treated like ordinary cells */
mark(p+1+i);
@ -2615,7 +2616,7 @@ static INLINE void new_slot_spec_in_env(scheme *sc, pointer env,
slot = immutable_cons(sc, variable, value);
if (is_vector(car(env))) {
int location = hash_fn(symname(variable), ivalue_unchecked(car(env)));
int location = hash_fn(symname(variable), vector_length(car(env)));
set_vector_elem(car(env), location,
immutable_cons(sc, slot, vector_elem(car(env), location)));
@ -2632,7 +2633,7 @@ static pointer find_slot_in_env(scheme *sc, pointer env, pointer hdl, int all)
for (x = env; x != sc->NIL; x = cdr(x)) {
if (is_vector(car(x))) {
location = hash_fn(symname(hdl), ivalue_unchecked(car(x)));
location = hash_fn(symname(hdl), vector_length(car(x)));
y = vector_elem(car(x), location);
} else {
y = car(x);
@ -4366,14 +4367,14 @@ static pointer opexe_2(scheme *sc, enum scheme_opcodes op) {
CASE(OP_VECLEN): /* vector-length */
gc_disable(sc, 1);
s_return_enable_gc(sc, mk_integer(sc, ivalue(car(sc->args))));
s_return_enable_gc(sc, mk_integer(sc, vector_length(car(sc->args))));
CASE(OP_VECREF): { /* vector-ref */
int index;
index=ivalue(cadr(sc->args));
if(index>=ivalue(car(sc->args))) {
if(index >= vector_length(car(sc->args))) {
Error_1(sc,"vector-ref: out of bounds:",cadr(sc->args));
}
@ -4388,7 +4389,7 @@ static pointer opexe_2(scheme *sc, enum scheme_opcodes op) {
}
index=ivalue(cadr(sc->args));
if(index>=ivalue(car(sc->args))) {
if(index >= vector_length(car(sc->args))) {
Error_1(sc,"vector-set!: out of bounds:",cadr(sc->args));
}
@ -5082,7 +5083,7 @@ static pointer opexe_5(scheme *sc, enum scheme_opcodes op) {
CASE(OP_PVECFROM): {
int i=ivalue_unchecked(cdr(sc->args));
pointer vec=car(sc->args);
int len=ivalue_unchecked(vec);
int len = vector_length(vec);
if(i==len) {
putstr(sc,")");
s_return(sc,sc->T);