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Core function for bytevector-copy

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Justin Ethier 2016-03-24 01:09:14 -04:00
parent 53b65df391
commit 4f46e124fa
3 changed files with 38 additions and 0 deletions
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2
include/cyclone/runtime.h
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@ -159,6 +159,7 @@ object Cyc_make_bytevector(void *data, object cont, int argc, object len, ...);
object Cyc_bytevector(void *data, object cont, int argc, object bval, ...);
object Cyc_bytevector_length(void *data, object bv);
object Cyc_bytevector_append(void *data, object cont, int _argc, object bv, ...);
object Cyc_bytevector_copy(void *data, object cont, object bv, object start, object end);
object Cyc_bytevector_u8_ref(void *data, object bv, object k);
object Cyc_bytevector_u8_set(void *data, object bv, object k, object b);
object Cyc_list2vector(void *data, object cont, object l);
@ -356,6 +357,7 @@ extern const object primitive_vector_91ref;
extern const object primitive_vector_91set_67;
extern const object primitive_bytevector;
extern const object primitive_bytevector_91append;
extern const object primitive_Cyc_91bytevector_91copy;
extern const object primitive_bytevector_91u8_91ref;
extern const object primitive_bytevector_91u8_91set_67;
extern const object primitive_string_91ref;

35
runtime.c
View file

@ -1468,6 +1468,35 @@ object Cyc_bytevector_append(void *data, object cont, int _argc, object bv, ...)
Cyc_bytevector_append_va_list(_argc);
}
object Cyc_bytevector_copy(void *data, object cont, object bv, object start, object end) {
const char *buf;
int s, e;
int len;
make_empty_bytevector(result);
Cyc_check_bvec(data, bv);
Cyc_check_int(data, start);
Cyc_check_int(data, end);
buf = ((bytevector)bv)->data;
s = obj_is_int(start) ? obj_obj2int(start) : integer_value(start);
e = obj_is_int(end) ? obj_obj2int(end) : integer_value(end);
if (s < 0 || s >= ((bytevector)bv)->len) {
Cyc_rt_raise2(data, "bytevector-copy - invalid start", start);
}
if (e < 0 || e >= ((bytevector)bv)->len) {
Cyc_rt_raise2(data, "bytevector-copy - invalid end", end);
}
len = e - s + 1;
result.len = len;
result.data = alloca(sizeof(char) * len);
memcpy(result.data, &(((bytevector)bv)->data)[s], len);
return_closcall1(data, cont, &result);
}
object Cyc_bytevector_u8_ref(void *data, object bv, object k) {
const char *buf;
int idx;
@ -1980,6 +2009,10 @@ void _bytevector(void *data, object cont, object args) {
void _bytevector_91append(void *data, object cont, object args) {
object argc = Cyc_length(data, args);
dispatch(data, obj_obj2int(argc), (function_type)dispatch_bytevector_91append, cont, cont, args); }
void _Cyc_91bytevector_91copy(void *data, object cont, object args) {
object argc = Cyc_length(data, args);
Cyc_check_num_args(data, "Cyc-bytevector-copy", 3, args);
Cyc_bytevector_copy(data, cont, car(args), cadr(args), caddr(args)); }
void _vector_91length(void *data, object cont, object args){
Cyc_check_num_args(data, "vector_91length", 1, args);
{ object obj = Cyc_vector_length(data, car(args));
@ -2810,6 +2843,7 @@ static primitive_type make_91bytevector_primitive = {{0}, primitive_tag, "make-b
static primitive_type bytevector_primitive = {{0}, primitive_tag, "bytevector", &_bytevector};
static primitive_type bytevector_91append_primitive = {{0}, primitive_tag, "bytevector-append", &_bytevector_91append};
static primitive_type Cyc_91bytevector_91copy_primitive = {{0}, primitive_tag, "Cyc-bytevector-copy", &_Cyc_91bytevector_91copy};
static primitive_type bytevector_91u8_91ref_primitive = {{0}, primitive_tag, "bytevector-u8-ref", &_bytevector_91u8_91ref};
static primitive_type bytevector_91u8_91set_67_primitive = {{0}, primitive_tag, "bytevector-u8-set!", &_bytevector_91u8_91set_67};
@ -2939,6 +2973,7 @@ const object primitive_make_91bytevector = &make_91bytevector_primitive;
const object primitive_make_91vector = &make_91vector_primitive;
const object primitive_bytevector = &bytevector_primitive;
const object primitive_bytevector_91append = &bytevector_91append_primitive;
const object primitive_Cyc_91bytevector_91copy = &Cyc_91bytevector_91copy_primitive;
const object primitive_bytevector_91u8_91ref = &bytevector_91u8_91ref_primitive;
const object primitive_bytevector_91u8_91set_67 = &bytevector_91u8_91set_67_primitive;
const object primitive_list_91_125vector = &list_91_125vector_primitive;

1
scheme/cyclone/transforms.sld
View file

@ -517,6 +517,7 @@
bytevector-length
bytevector
bytevector-append
bytevector-copy
bytevector-u8-ref
bytevector-u8-set!
bytevector?