1
0
mirror of https://github.com/janet-lang/janet synced 2024-06-22 21:23:16 +00:00
janet/src/core/corelib.c
2018-05-18 14:19:57 -04:00

272 lines
7.3 KiB
C

/*
* Copyright (c) 2018 Calvin Rose
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <dst/dst.h>
#include <dst/dstcorelib.h>
#include "state.h"
int dst_core_print(DstArgs args) {
int32_t i;
for (i = 0; i < args.n; ++i) {
int32_t j, len;
const uint8_t *vstr = dst_to_string(args.v[i]);
len = dst_string_length(vstr);
for (j = 0; j < len; ++j) {
putc(vstr[j], stdout);
}
}
putc('\n', stdout);
DST_RETURN_NIL();
}
int dst_core_describe(DstArgs args) {
int32_t i;
DstBuffer b;
dst_buffer_init(&b, 0);
for (i = 0; i < args.n; ++i) {
int32_t len;
const uint8_t *str = dst_description(args.v[i]);
len = dst_string_length(str);
dst_buffer_push_bytes(&b, str, len);
}
*args.ret = dst_stringv(b.data, b.count);
dst_buffer_deinit(&b);
return 0;
}
int dst_core_string(DstArgs args) {
int32_t i;
DstBuffer b;
dst_buffer_init(&b, 0);
for (i = 0; i < args.n; ++i) {
int32_t len;
const uint8_t *str = dst_to_string(args.v[i]);
len = dst_string_length(str);
dst_buffer_push_bytes(&b, str, len);
}
*args.ret = dst_stringv(b.data, b.count);
dst_buffer_deinit(&b);
return 0;
}
int dst_core_symbol(DstArgs args) {
int32_t i;
DstBuffer b;
dst_buffer_init(&b, 0);
for (i = 0; i < args.n; ++i) {
int32_t len;
const uint8_t *str = dst_to_string(args.v[i]);
len = dst_string_length(str);
dst_buffer_push_bytes(&b, str, len);
}
*args.ret = dst_symbolv(b.data, b.count);
dst_buffer_deinit(&b);
return 0;
}
int dst_core_buffer(DstArgs args) {
int32_t i;
DstBuffer *b = dst_buffer(0);
for (i = 0; i < args.n; ++i) {
int32_t len;
const uint8_t *str = dst_to_string(args.v[i]);
len = dst_string_length(str);
dst_buffer_push_bytes(b, str, len);
}
DST_RETURN_BUFFER(args, b);
}
int dst_core_scannumber(DstArgs args) {
const uint8_t *data;
Dst x;
int32_t len;
DST_FIXARITY(args, 1);
DST_ARG_BYTES(data, len, args, 0);
x = dst_scan_number(data, len);
if (dst_checktype(x, DST_NIL)) {
DST_THROW(args, "error parsing number");
}
DST_RETURN(args, x);
}
int dst_core_scaninteger(DstArgs args) {
const uint8_t *data;
int32_t len, ret;
int err = 0;
DST_FIXARITY(args, 1);
DST_ARG_BYTES(data, len, args, 0);
ret = dst_scan_integer(data, len, &err);
if (err) {
DST_THROW(args, "error parsing integer");
}
DST_RETURN_INTEGER(args, ret);
}
int dst_core_scanreal(DstArgs args) {
const uint8_t *data;
int32_t len;
double ret;
int err = 0;
DST_FIXARITY(args, 1);
DST_ARG_BYTES(data, len, args, 0);
ret = dst_scan_real(data, len, &err);
if (err) {
DST_THROW(args, "error parsing real");
}
DST_RETURN_REAL(args, ret);
}
int dst_core_tuple(DstArgs args) {
DST_RETURN_TUPLE(args, dst_tuple_n(args.v, args.n));
}
int dst_core_array(DstArgs args) {
DstArray *array = dst_array(args.n);
array->count = args.n;
memcpy(array->data, args.v, args.n * sizeof(Dst));
DST_RETURN_ARRAY(args, array);
}
int dst_core_table(DstArgs args) {
int32_t i;
DstTable *table = dst_table(args.n >> 1);
if (args.n & 1)
DST_THROW(args, "expected even number of arguments");
for (i = 0; i < args.n; i += 2) {
dst_table_put(table, args.v[i], args.v[i + 1]);
}
DST_RETURN_TABLE(args, table);
}
int dst_core_struct(DstArgs args) {
int32_t i;
DstKV *st = dst_struct_begin(args.n >> 1);
if (args.n & 1)
DST_THROW(args, "expected even number of arguments");
for (i = 0; i < args.n; i += 2) {
dst_struct_put(st, args.v[i], args.v[i + 1]);
}
DST_RETURN_STRUCT(args, dst_struct_end(st));
}
int dst_core_gensym(DstArgs args) {
DST_MAXARITY(args, 1);
if (args.n == 0) {
DST_RETURN_SYMBOL(args, dst_symbol_gen(NULL, 0));
} else {
const uint8_t *s;
int32_t len;
DST_ARG_BYTES(s, len, args, 0);
DST_RETURN_SYMBOL(args, dst_symbol_gen(s, len));
}
}
int dst_core_length(DstArgs args) {
DST_FIXARITY(args, 1);
DST_RETURN_INTEGER(args, dst_length(args.v[0]));
}
int dst_core_get(DstArgs args) {
int32_t i;
Dst ds;
DST_MINARITY(args, 1);
ds = args.v[0];
for (i = 1; i < args.n; i++) {
ds = dst_get(ds, args.v[i]);
if (dst_checktype(ds, DST_NIL))
break;
}
DST_RETURN(args, ds);
}
int dst_core_put(DstArgs args) {
Dst ds, key, value;
DstArgs subargs = args;
DST_MINARITY(args, 3);
subargs.n -= 2;
if (dst_core_get(subargs)) return 1;
ds = *args.ret;
key = args.v[args.n - 2];
value = args.v[args.n - 1];
dst_put(ds, key, value);
return 0;
}
int dst_core_gccollect(DstArgs args) {
(void) args;
dst_collect();
return 0;
}
int dst_core_gcsetinterval(DstArgs args) {
int32_t val;
DST_FIXARITY(args, 1);
DST_ARG_INTEGER(val, args, 0);
if (val < 0)
DST_THROW(args, "expected non-negative integer");
dst_vm_gc_interval = val;
DST_RETURN_NIL(args);
}
int dst_core_gcinterval(DstArgs args) {
DST_FIXARITY(args, 0);
DST_RETURN_INTEGER(args, dst_vm_gc_interval);
}
int dst_core_type(DstArgs args) {
DST_FIXARITY(args, 1);
if (dst_checktype(args.v[0], DST_ABSTRACT)) {
DST_RETURN(args, dst_csymbolv(dst_abstract_type(dst_unwrap_abstract(args.v[0]))->name));
} else {
DST_RETURN(args, dst_csymbolv(dst_type_names[dst_type(args.v[0])]));
}
}
int dst_core_next(DstArgs args) {
Dst ds;
const DstKV *kv;
DST_FIXARITY(args, 2);
DST_CHECKMANY(args, 0, DST_TFLAG_DICTIONARY);
ds = args.v[0];
if (dst_checktype(ds, DST_TABLE)) {
DstTable *t = dst_unwrap_table(ds);
kv = dst_checktype(args.v[1], DST_NIL)
? NULL
: dst_table_find(t, args.v[1]);
} else {
const DstKV *st = dst_unwrap_struct(ds);
kv = dst_checktype(args.v[1], DST_NIL)
? NULL
: dst_struct_find(st, args.v[1]);
}
kv = dst_next(ds, kv);
if (kv) {
DST_RETURN(args, kv->key);
}
DST_RETURN_NIL(args);
}
int dst_core_hash(DstArgs args) {
DST_FIXARITY(args, 1);
DST_RETURN_INTEGER(args, dst_hash(args.v[0]));
}