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-rw-r--r--ext_example/vector.c128
1 files changed, 0 insertions, 128 deletions
diff --git a/ext_example/vector.c b/ext_example/vector.c
deleted file mode 100644
index 0aa3006..0000000
--- a/ext_example/vector.c
+++ /dev/null
@@ -1,128 +0,0 @@
-#include "interp.h"
-#include "sexp.h"
-
-LispUserdataMeta bamboo_lisp_array_meta;
-
-static bool is_vector_impl(Interp *interp, SExpRef vec) {
- if (VALTYPE(vec) == kUserDataSExp && strcmp("vector", 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";
- 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;
-}