exts

1 files changed, 0 insertions, 129 deletions

diff --git a/ext_example/vector.c b/ext_example/vector.c
deleted file mode 100644
index a67a504..0000000
--- a/ext_example/vector.c
+++ /dev/null
@@ -1,129 +0,0 @@
-#include "interp.h"
-#include "sexp.h"
-
-#define VECTOR_TYPEID "ext.core.vector"
-
-LispUserdataMeta bamboo_lisp_array_meta;
-
-static bool is_vector_impl(Interp *interp, SExpRef vec) {
-    if (VALTYPE(vec) == kUserDataSExp && strcmp(VECTOR_TYPEID, REF(vec)->userdata_meta->type) == 0) {
-        return true;
-    }
-    return false;
-}
-
-static SExpRef is_vector(Interp* interp, SExpRef args) {
-    if (LENGTH(args) != 1) return new_error(interp, "vector?: wrongs args num.\n");
-    return new_boolean(interp, is_vector_impl(interp, CAR(args)));
-}
-
-static SExpRef make_vector(Interp* interp, SExpRef args) {
-    SExpRef ret = new_sexp(interp);
-    REF(ret)->type = kUserDataSExp;
-    REF(ret)->userdata_meta = &bamboo_lisp_array_meta;
-    SExpRefVector *data = malloc(sizeof(SExpRefVector));
-    SExpRefVector_init(data);
-    REF(ret)->userdata = data;
-    return ret;
-}
-
-static SExpRef vector_ref(Interp* interp, SExpRef args) {
-    if (LENGTH(args) != 2) return new_error(interp, "vector-ref: wrong args num.\n");
-    if (!is_vector_impl(interp, CAR(args))
-            || REF(CADR(args))->type != kIntegerSExp) {
-        return new_error(interp, "vector-ref: wrong type.\n");
-    }
-    int n = REF(CADR(args))->integer;
-    SExpRefVector *vec = REF(CAR(args))->userdata;
-    if (n >= SExpRefVector_len(vec)) return new_error(interp, "vector-ref: out of bound.\n");
-    SExpRef ret = new_sexp(interp);
-    return *SExpRefVector_ref(vec, n);
-}
-
-static SExpRef vector_append(Interp* interp, SExpRef args) {
-    if (LENGTH(args) != 2) return new_error(interp, "vector-append: wrong args num.\n");
-    if (!is_vector_impl(interp, CAR(args))) return new_error(interp, "vector-append: first arg not a vector.\n");
-
-    SExpRefVector *vec = REF(CAR(args))->userdata;
-    SExpRef elem = CADR(args);
-    SExpRefVector_push_back(vec, elem);
-    return NIL;
-}
-
-static SExpRef vector_insert(Interp* interp, SExpRef args) {
-    if (LENGTH(args) != 3) return new_error(interp, "vector-insert: wrong args num.\n");
-    if (!is_vector_impl(interp, CAR(args)) || REF(CADR(args))->type != kIntegerSExp)
-        return new_error(interp, "vector-insert: wrong types.\n");
-
-    int pos = REF(CADR(args))->integer;
-    SExpRefVector *vec = REF(CAR(args))->userdata;
-    SExpRef elem = CADDR(args);
-    SExpRefVector_insert_before(vec, pos, elem);
-    return NIL;
-}
-
-static SExpRef vector_delete(Interp* interp, SExpRef args) {
-    if (LENGTH(args) != 2) return new_error(interp, "vector-remove: wrong args num.\n");
-    if (!is_vector_impl(interp, CAR(args)) || REF(CADR(args))->type != kIntegerSExp)
-        return new_error(interp, "vector-remove: wrong types.\n");
-
-    int pos = REF(CADR(args))->integer;
-    SExpRefVector *vec = REF(CAR(args))->userdata;
-    if (pos >= SExpRefVector_len(vec)) return new_error(interp, "vector-remove: out of bound.\n");
-    SExpRefVector_remove(vec, pos);
-    return NIL;
-}
-
-static SExpRef vector_length(Interp* interp, SExpRef args) {
-   if (LENGTH(args) != 1) return new_error(interp, "vector-length: wrong args num.\n");
-    if (!is_vector_impl(interp, CAR(args))) return new_error(interp, "vector-length: not a vector.\n");
-
-    SExpRefVector *vec = REF(CAR(args))->userdata;
-    return new_integer(interp, SExpRefVector_len(vec));
-}
-
-static SExpRef vector_set(Interp* interp, SExpRef args) {
-    if (LENGTH(args) != 3) return new_error(interp, "vector-set: wrong args num.\n");
-    if (!is_vector_impl(interp, CAR(args)) || REF(CADR(args))->type != kIntegerSExp)
-        return new_error(interp, "vector-set: wrong types.\n");
-
-    int pos = REF(CADR(args))->integer;
-    SExpRefVector *vec = REF(CAR(args))->userdata;
-    if (pos >= SExpRefVector_len(vec)) return new_error(interp, "vector-set: out of bound.\n");
-
-    *SExpRefVector_ref(vec, pos) = CADDR(args);
-    return NIL;
-}
-
-static void vector_free(void *vself) {
-    SExpRefVector *self = vself;
-    SExpRefVector_free(self);
-    free(self);
-}
-
-static void vector_gcmark(Interp *interp, SExpPtrVector *gcstack, void *vself) {
-    SExpRefVector *vec = (SExpRefVector *)vself;
-    int vecsize = SExpRefVector_len(vec);
-    for (int i = 0; i < vecsize; ++i) {
-        SExpPtr child = REF(*SExpRefVector_ref(vec, i));
-        if (child && !child->marked) {
-            SExpPtrVector_push_back(gcstack, child);
-        }
-    }
-}
-
-int bamboo_lisp_ext_init(Interp *interp) {
-    bamboo_lisp_array_meta.type = VECTOR_TYPEID;
-    bamboo_lisp_array_meta.free = &vector_free;
-    bamboo_lisp_array_meta.gcmark = &vector_gcmark;
-
-    Interp_add_userfunc(interp, "vector?", &is_vector);
-    Interp_add_userfunc(interp, "make-vector", &make_vector);
-    Interp_add_userfunc(interp, "vector-ref", &vector_ref);
-    Interp_add_userfunc(interp, "vector-append", &vector_append);
-    Interp_add_userfunc(interp, "vector-insert", &vector_insert);
-    Interp_add_userfunc(interp, "vector-remove", &vector_delete);
-    Interp_add_userfunc(interp, "vector-length", &vector_length);
-    Interp_add_userfunc(interp, "vector-set", &vector_set);
-    return 1;
-}