uCBQN/src/ns.c
2024-10-10 04:00:43 +03:00

239 lines
5.8 KiB
C

#include "core.h"
#include "ns.h"
#include "vm.h"
void m_nsDesc(Body* body, bool imm, u8 ty, i32 actualVam, B nameList, B varIDs, B exported) { // doesn't consume nameList
if (!isArr(varIDs) || !isArr(exported)) thrM("Internal error: Bad namespace description information");
usz ia = IA(varIDs);
if (ia!=IA(exported)) thrM("Internal error: Bad namespace description information");
i32 off = (ty==0?0:ty==1?2:3) + (imm?0:3);
i32 vam = ia+off;
NSDesc* r = mm_alloc(fsizeof(NSDesc, expGIDs, i32, actualVam<2?2:actualVam), t_nsDesc);
r->varAm = vam;
SGetU(varIDs)
SGetU(exported)
for (i32 i = 0; i < actualVam; i++) {
body->varData[i] = -1;
r ->expGIDs[i] = -1;
body->varData[i+actualVam] = -1;
}
SGetU(nameList)
for (usz i = 0; i < ia; i++) {
i32 cid = o2i(GetU(varIDs, i));
bool cexp = o2b(GetU(exported, i));
body->varData[i+off + actualVam] = cid;
r->expGIDs[i+off] = cexp? str2gid(GetU(nameList, cid)) : -1;
}
body->nsDesc = r;
}
B m_ns(Scope* sc, NSDesc* desc) { // consumes both
NS* r = mm_alloc(sizeof(NS), t_ns);
r->desc = desc;
r->sc = sc;
return tag(r,NSP_TAG);
}
NORETURN NOINLINE static void ns_unk_B(B x) {
thrF("Field named %B not found", x);
}
NORETURN NOINLINE static void ns_unk_gid(i32 gid) {
ns_unk_B(gid2str(gid));
}
B ns_getU(B ns, i32 gid) { VTY(ns, t_ns);
NS* n = c(NS, ns);
NSDesc* d = n->desc;
i32 ia = d->varAm;
for (i32 i = 0; i < ia; i++) if (d->expGIDs[i]==gid) return n->sc->vars[i];
ns_unk_gid(gid);
}
B ns_qgetU(B ns, i32 gid) { VTY(ns, t_ns);
NS* n = c(NS, ns);
NSDesc* d = n->desc;
i32 ia = d->varAm;
for (i32 i = 0; i < ia; i++) if (d->expGIDs[i]==gid) return n->sc->vars[i];
return bi_N;
}
B ns_getNU(B ns, B name, bool thrEmpty) { VTY(ns, t_ns);
NS* n = c(NS, ns);
NSDesc* d = n->desc;
i32 gid = str2gidQ(name);
if (gid!=-1) {
i32 ia = d->varAm;
for (i32 i = 0; i < ia; i++) if (d->expGIDs[i]==gid) return n->sc->vars[i];
}
if (thrEmpty) ns_unk_B(name);
return bi_N;
}
B ns_getC(B ns, char* name) {
B field = m_c8vec_0(name);
B r = ns_getNU(ns, field, false);
decG(field);
return r;
}
void ns_set(B ns, B name, B val) { VTY(ns, t_ns);
NS* n = c(NS, ns);
Scope* sc = n->sc;
NSDesc* d = n->desc;
i32 gid = str2gid(name);
i32 ia = d->varAm;
for (i32 i = 0; i < ia; i++) {
if (d->expGIDs[i]==gid) {
dec(sc->vars[i]);
sc->vars[i] = val;
return;
}
}
ns_unk_B(name);
}
STATIC_GLOBAL i32* emptyi32ptr;
STATIC_GLOBAL B emptyi32obj;
Body* m_nnsDescF(i32 n, char** names) {
if (emptyi32ptr==NULL) gc_add(emptyi32obj = m_i32arrv(&emptyi32ptr, 0));
incByG(emptyi32obj, 2);
M_HARR(nl, n)
for (usz i = 0; i < n; i++) HARR_ADD(nl, i, m_c8vec_0(names[i]));
Comp* comp = mm_alloc(sizeof(Comp), t_comp);
comp->indices = bi_N;
comp->src = bi_N;
comp->fullpath = bi_N;
comp->objs = c(HArr, emptyHVec());
comp->blockAm = 0;
comp->nameList = HARR_FV(nl);
Block* bl = mm_alloc(fsizeof(Block,bodies,Body*,0), t_block);
bl->ty = 0; bl->imm = true;
bl->comp = comp;
bl->bc = bl->map = emptyi32ptr;
bl->blocks = NULL;
bl->bodyCount = 0;
gc_add(tag(bl, OBJ_TAG));
NSDesc* nd = mm_alloc(fsizeof(NSDesc, expGIDs, i32, n<2?2:n), t_nsDesc);
nd->varAm = n;
for (usz i = 0; i < n; i++) nd->expGIDs[i] = str2gid(HARR_O(nl).a[i]);
Body* body = m_body(n, 0, 0, 0);
body->nsDesc = nd;
body->bc = (u32*) emptyi32ptr;
body->bl = ptr_inc(bl);
for (usz i = 0; i < n; i++) {
body->varData[i] = nd->expGIDs[i];
body->varData[i+n] = i;
}
gc_add(tag(body, OBJ_TAG));
bl->dyBody = bl->invMBody = bl->invXBody = bl->invWBody = body;
return body;
}
B m_nnsF(Body* desc, i32 n, B* vals) {
assert(n == desc->varAm);
i32 varAm = n;
#if ONLY_NATIVE_COMP
varAm+= 100;
#endif
Scope* sc = m_scope(desc, NULL, varAm, n, vals);
#if ONLY_NATIVE_COMP
for (usz i = 0; i < 100; i++) sc->vars[i+n] = bi_N;
#endif
return m_ns(sc, ptr_inc(desc->nsDesc));
}
i32 nns_pos(Body* body, B name) {
B nameList = body->bl->comp->nameList; SGetU(nameList);
i32 ia = body->varAm;
for (i32 i = 0; i < ia; i++) {
i32 pos = body->varData[i+ia];
if (pos>=0 && equal(name, GetU(nameList, pos))) { dec(name); return i; }
}
ns_unk_B(name);
}
i32 pos2gid(Body* body, i32 pos) {
i32 gid = body->varData[pos];
if (LIKELY(gid!=-1)) return gid;
i32 nlIdx = body->varData[pos+body->varAm];
if (nlIdx==-1) thrM("Internal error: Cannot use special variable name as namespace key");
return body->varData[pos] = str2gid(IGetU(body->bl->comp->nameList, nlIdx));
}
DEF_FREE(ns) {
NS* c = (NS*)x;
ptr_decR(c->desc);
ptr_dec(c->sc);
}
static void ns_visit(Value* x) {
NS* c = (NS*)x;
mm_visitP(c->desc);
mm_visitP(c->sc);
}
static void ns_print(FILE* f, B x) {
fprintf(f, "{");
NSDesc* desc = c(NS,x)->desc;
Scope* sc = c(NS,x)->sc;
i32 am = desc->varAm;
bool first = true;
for (i32 i = 0; i < am; i++) {
i32 id = desc->expGIDs[i];
if (id>=0) {
if (first) first=false;
else fprintf(f,"");
fprintsB(f, gid2str(id));
fprintf(f, "");
fprintI(f, sc->vars[i]);
}
}
fprintf(f, "}");
}
B nsFmt(B x) { // consumes
B s = emptyCVec();
ACHR('{');
NSDesc* desc = c(NS,x)->desc;
i32 am = desc->varAm;
bool first = true;
for (i32 i = 0; i < am; i++) {
i32 id = desc->expGIDs[i];
if (id>=0) {
if (first) first=false;
else ACHR(U'');
AFMT("%R", gid2str(id));
}
}
AU("⇐}");
decG(x);
return s;
}
static void nsDesc_print(FILE* f, B x) { fprintf(f, "(namespace description)"); }
void ns_init(void) {
TIi(t_ns,freeO) = ns_freeO;
TIi(t_ns,freeF) = ns_freeF;
TIi(t_ns,visit) = ns_visit; TIi(t_nsDesc,visit) = noop_visit;
TIi(t_ns,print) = ns_print; TIi(t_nsDesc,print) = nsDesc_print;
TIi(t_ns,byRef) = true;
}