jl_value_t *jl_readuntil(ios_t *s, uint8_t delim)
{
jl_array_t *a;
// manually inlined common case
char *pd = (char*)memchr(s->buf+s->bpos, delim, s->size - s->bpos);
if (pd) {
size_t n = pd-(s->buf+s->bpos)+1;
a = jl_alloc_array_1d(jl_array_uint8_type, n);
memcpy(jl_array_data(a), s->buf+s->bpos, n);
s->bpos += n;
}
else {
a = jl_alloc_array_1d(jl_array_uint8_type, 80);
ios_t dest;
jl_ios_mem(&dest, 0);
ios_setbuf(&dest, a->data, 80, 0);
size_t n = ios_copyuntil(&dest, s, delim);
if (dest.buf != a->data) {
a = jl_takebuf_array(&dest);
}
else {
a->length = n;
a->nrows = n;
((char*)a->data)[n] = '\0';
}
}
JL_GC_PUSH(&a);
jl_struct_type_t* string_type = u8_isvalid(a->data, a->length) == 1 ? // ASCII
jl_ascii_string_type : jl_utf8_string_type;
jl_value_t *str = alloc_2w();
str->type = (jl_type_t*)string_type;
jl_fieldref(str,0) = (jl_value_t*)a;
JL_GC_POP();
return str;
}
DLLEXPORT
jl_value_t *jl_compress_ast(jl_value_t *ast)
{
ios_t dest;
jl_ios_mem(&dest, 0);
int en = jl_gc_is_enabled();
jl_gc_disable();
tree_literal_values = jl_alloc_cell_1d(0);
jl_serialize_value(&dest, ast);
//ios_printf(ios_stderr, "%d bytes, %d values\n", dest.size, vals->length);
jl_value_t *v = (jl_value_t*)jl_takebuf_array(&dest);
if (tree_literal_values->length == 0)
tree_literal_values = (jl_array_t*)jl_an_empty_cell;
v = (jl_value_t*)jl_tuple(4, v, tree_literal_values,
jl_lam_body((jl_expr_t*)ast)->etype,
jl_lam_capt((jl_expr_t*)ast));
tree_literal_values = NULL;
if (en)
jl_gc_enable();
return v;
}
DLLEXPORT
jl_value_t *jl_uncompress_ast(jl_tuple_t *data)
{
jl_array_t *bytes = (jl_array_t*)jl_tupleref(data, 0);
tree_literal_values = (jl_array_t*)jl_tupleref(data, 1);
ios_t src;
jl_ios_mem(&src, 0);
ios_setbuf(&src, bytes->data, bytes->length, 0);
src.size = bytes->length;
int en = jl_gc_is_enabled();
jl_gc_disable();
jl_gc_ephemeral_on();
jl_value_t *v = jl_deserialize_value(&src);
jl_gc_ephemeral_off();
if (en)
jl_gc_enable();
tree_literal_values = NULL;
return v;
}
