414 lines
8.1 KiB
C
414 lines
8.1 KiB
C
/**
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* See Copyright Notice in picrin.h
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*/
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#include "picrin.h"
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#include "object.h"
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pic_value
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pic_make_vec(pic_state *pic, int len, pic_value *argv)
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{
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struct vector *vec;
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int i;
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vec = (struct vector *)pic_obj_alloc(pic, sizeof(struct vector), PIC_TYPE_VECTOR);
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vec->len = len;
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vec->data = (pic_value *)pic_malloc(pic, sizeof(pic_value) * len);
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if (argv == NULL) {
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for (i = 0; i < len; ++i) {
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vec->data[i] = pic_undef_value(pic);
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}
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} else {
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memcpy(vec->data, argv, sizeof(pic_value) * len);
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}
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return obj_value(pic, vec);
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}
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pic_value
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pic_vec_ref(pic_state *PIC_UNUSED(pic), pic_value vec, int k)
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{
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return vec_ptr(pic, vec)->data[k];
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}
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void
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pic_vec_set(pic_state *PIC_UNUSED(pic), pic_value vec, int k, pic_value val)
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{
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vec_ptr(pic, vec)->data[k] = val;
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}
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int
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pic_vec_len(pic_state *PIC_UNUSED(pic), pic_value vec)
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{
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return vec_ptr(pic, vec)->len;
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}
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static pic_value
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pic_vec_vector_p(pic_state *pic)
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{
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pic_value v;
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pic_get_args(pic, "o", &v);
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return pic_bool_value(pic, pic_vec_p(pic, v));
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}
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static pic_value
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pic_vec_vector(pic_state *pic)
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{
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int argc;
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pic_value *argv;
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pic_get_args(pic, "*", &argc, &argv);
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return pic_make_vec(pic, argc, argv);
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}
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static pic_value
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pic_vec_make_vector(pic_state *pic)
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{
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pic_value vec, init;
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int n, k, i;
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n = pic_get_args(pic, "i|o", &k, &init);
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if (k < 0) {
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pic_error(pic, "make-vector: negative length given", 1, pic_int_value(pic, k));
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}
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vec = pic_make_vec(pic, k, NULL);
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if (n == 2) {
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for (i = 0; i < k; ++i) {
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pic_vec_set(pic, vec, i, init);
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}
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}
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return vec;
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}
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static pic_value
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pic_vec_vector_length(pic_state *pic)
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{
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pic_value v;
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pic_get_args(pic, "v", &v);
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return pic_int_value(pic, pic_vec_len(pic, v));
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}
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static pic_value
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pic_vec_vector_ref(pic_state *pic)
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{
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pic_value v;
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int k;
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pic_get_args(pic, "vi", &v, &k);
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VALID_INDEX(pic, pic_vec_len(pic, v), k);
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return pic_vec_ref(pic, v, k);
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}
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static pic_value
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pic_vec_vector_set(pic_state *pic)
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{
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pic_value v, o;
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int k;
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pic_get_args(pic, "vio", &v, &k, &o);
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VALID_INDEX(pic, pic_vec_len(pic, v), k);
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pic_vec_set(pic, v, k, o);
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return pic_undef_value(pic);
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}
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static pic_value
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pic_vec_vector_copy_i(pic_state *pic)
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{
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pic_value to, from;
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int n, at, start, end, tolen, fromlen;
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n = pic_get_args(pic, "viv|ii", &to, &at, &from, &start, &end);
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tolen = pic_vec_len(pic, to);
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fromlen = pic_vec_len(pic, from);
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switch (n) {
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case 3:
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start = 0;
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case 4:
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end = fromlen;
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}
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VALID_ATRANGE(pic, tolen, at, fromlen, start, end);
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memmove(vec_ptr(pic, to)->data + at, vec_ptr(pic, from)->data + start, sizeof(pic_value) * (end - start));
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return pic_undef_value(pic);
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}
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static pic_value
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pic_vec_vector_copy(pic_state *pic)
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{
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pic_value from;
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int n, start, end, fromlen;
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n = pic_get_args(pic, "v|ii", &from, &start, &end);
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fromlen = pic_vec_len(pic, from);
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switch (n) {
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case 1:
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start = 0;
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case 2:
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end = fromlen;
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}
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VALID_RANGE(pic, fromlen, start, end);
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return pic_make_vec(pic, end - start, vec_ptr(pic, from)->data + start);
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}
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static pic_value
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pic_vec_vector_append(pic_state *pic)
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{
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pic_value *argv, vec;
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int argc, i, len;
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pic_get_args(pic, "*", &argc, &argv);
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len = 0;
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for (i = 0; i < argc; ++i) {
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TYPE_CHECK(pic, argv[i], vec);
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len += pic_vec_len(pic, argv[i]);
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}
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vec = pic_make_vec(pic, len, NULL);
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len = 0;
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for (i = 0; i < argc; ++i) {
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int l = pic_vec_len(pic, argv[i]);
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memcpy(vec_ptr(pic, vec)->data + len, vec_ptr(pic, argv[i])->data, sizeof(pic_value) * l);
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len += l;
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}
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return vec;
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}
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static pic_value
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pic_vec_vector_fill_i(pic_state *pic)
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{
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pic_value vec, obj;
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int n, start, end, len;
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n = pic_get_args(pic, "vo|ii", &vec, &obj, &start, &end);
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len = pic_vec_len(pic, vec);
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switch (n) {
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case 2:
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start = 0;
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case 3:
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end = len;
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}
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VALID_RANGE(pic, len, start, end);
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while (start < end) {
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pic_vec_set(pic, vec, start++, obj);
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}
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return pic_undef_value(pic);
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}
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static pic_value
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pic_vec_vector_map(pic_state *pic)
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{
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int argc, i, len, j;
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pic_value proc, *argv, vec, vals;
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pic_get_args(pic, "l*", &proc, &argc, &argv);
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if (argc == 0) {
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pic_error(pic, "vector-map: wrong number of arguments (1 for at least 2)", 0);
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}
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len = INT_MAX;
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for (i = 0; i < argc; ++i) {
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int l;
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TYPE_CHECK(pic, argv[i], vec);
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l = pic_vec_len(pic, argv[i]);
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len = len < l ? len : l;
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}
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vec = pic_make_vec(pic, len, NULL);
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for (i = 0; i < len; ++i) {
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vals = pic_nil_value(pic);
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for (j = 0; j < argc; ++j) {
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pic_push(pic, pic_vec_ref(pic, argv[j], i), vals);
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}
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vals = pic_reverse(pic, vals);
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pic_vec_set(pic, vec, i, pic_funcall(pic, "apply", 2, proc, vals));
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}
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return vec;
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}
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static pic_value
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pic_vec_vector_for_each(pic_state *pic)
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{
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int argc, i, len, j;
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pic_value proc, *argv, vals;
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pic_get_args(pic, "l*", &proc, &argc, &argv);
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if (argc == 0) {
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pic_error(pic, "vector-for-each: wrong number of arguments (1 for at least 2)", 0);
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}
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len = INT_MAX;
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for (i = 0; i < argc; ++i) {
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int l;
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TYPE_CHECK(pic, argv[i], vec);
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l = pic_vec_len(pic, argv[i]);
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len = len < l ? len : l;
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}
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for (i = 0; i < len; ++i) {
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vals = pic_nil_value(pic);
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for (j = 0; j < argc; ++j) {
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pic_push(pic, pic_vec_ref(pic, argv[j], i), vals);
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}
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vals = pic_reverse(pic, vals);
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pic_funcall(pic, "apply", 2, proc, vals);
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}
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return pic_undef_value(pic);
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}
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static pic_value
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pic_vec_list_to_vector(pic_state *pic)
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{
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pic_value list, vec, e, it;
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int len, i = 0;
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pic_get_args(pic, "o", &list);
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len = pic_length(pic, list);
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vec = pic_make_vec(pic, len, NULL);
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pic_for_each (e, list, it) {
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pic_vec_set(pic, vec, i++, e);
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}
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return vec;
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}
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static pic_value
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pic_vec_vector_to_list(pic_state *pic)
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{
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pic_value vec;
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pic_value list;
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int n, start, end, i, len;
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n = pic_get_args(pic, "v|ii", &vec, &start, &end);
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len = pic_vec_len(pic, vec);
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switch (n) {
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case 1:
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start = 0;
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case 2:
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end = len;
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}
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VALID_RANGE(pic, len, start, end);
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list = pic_nil_value(pic);
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for (i = start; i < end; ++i) {
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pic_push(pic, pic_vec_ref(pic, vec, i), list);
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}
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return pic_reverse(pic, list);
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}
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static pic_value
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pic_vec_vector_to_string(pic_state *pic)
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{
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pic_value vec, t;
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char *buf;
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int n, start, end, i, len;
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n = pic_get_args(pic, "v|ii", &vec, &start, &end);
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len = pic_vec_len(pic, vec);
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switch (n) {
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case 1:
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start = 0;
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case 2:
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end = len;
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}
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VALID_RANGE(pic, len, start, end);
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buf = pic_alloca(pic, end - start);
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for (i = start; i < end; ++i) {
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t = pic_vec_ref(pic, vec, i);
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TYPE_CHECK(pic, t, char);
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buf[i - start] = pic_char(pic, t);
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}
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return pic_str_value(pic, buf, end - start);
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}
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static pic_value
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pic_vec_string_to_vector(pic_state *pic)
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{
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pic_value str, vec;
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int n, start, end, len, i;
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const char *cstr;
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n = pic_get_args(pic, "s|ii", &str, &start, &end);
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cstr = pic_str(pic, str, &len);
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switch (n) {
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case 1:
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start = 0;
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case 2:
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end = len;
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}
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VALID_RANGE(pic, len, start, end);
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vec = pic_make_vec(pic, end - start, NULL);
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for (i = 0; i < end - start; ++i) {
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pic_vec_set(pic, vec, i, pic_char_value(pic, cstr[i + start]));
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}
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return vec;
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}
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void
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pic_init_vector(pic_state *pic)
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{
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pic_defun(pic, "vector?", pic_vec_vector_p);
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pic_defun(pic, "vector", pic_vec_vector);
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pic_defun(pic, "make-vector", pic_vec_make_vector);
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pic_defun(pic, "vector-length", pic_vec_vector_length);
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pic_defun(pic, "vector-ref", pic_vec_vector_ref);
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pic_defun(pic, "vector-set!", pic_vec_vector_set);
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pic_defun(pic, "vector-copy!", pic_vec_vector_copy_i);
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pic_defun(pic, "vector-copy", pic_vec_vector_copy);
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pic_defun(pic, "vector-append", pic_vec_vector_append);
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pic_defun(pic, "vector-fill!", pic_vec_vector_fill_i);
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pic_defun(pic, "vector-map", pic_vec_vector_map);
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pic_defun(pic, "vector-for-each", pic_vec_vector_for_each);
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pic_defun(pic, "list->vector", pic_vec_list_to_vector);
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pic_defun(pic, "vector->list", pic_vec_vector_to_list);
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pic_defun(pic, "string->vector", pic_vec_string_to_vector);
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pic_defun(pic, "vector->string", pic_vec_vector_to_string);
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}
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