language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-09-28 06:14:46 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

Str Split bitcode

Browse source
This commit is contained in:
Chad Stearns 2020-10-20 05:02:59 -04:00
parent bf81e67a89
commit 626d49d7b0
3 changed files with 91 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

47
compiler/builtins/bitcode/src/lib.rs
View file

@ -39,6 +39,53 @@ pub fn pow_int_(mut base: i64, mut exp: i64) -> i64 {
acc
}
#[no_mangle]
pub fn str_split_<'a>(
list: &'a mut [&'a [u8]],
str_: &'a [u8],
delimiter: &[u8],
) -> &'a [&'a [u8]] {
let mut ret_list_index = 0;
let str_len = str_.len();
let delimiter_len = delimiter.len();
let mut slice_start_index = 0;
let mut str_index = 0;
if str_len > delimiter_len {
while str_index <= (str_len - delimiter_len) {
let mut delimiter_index = 0;
let mut matches_delimiter = true;
while matches_delimiter && delimiter_index < delimiter_len {
let delimiter_char = delimiter[delimiter_index];
let str_char = str_[str_index + delimiter_index];
if delimiter_char != str_char {
matches_delimiter = false;
}
delimiter_index += 1;
}
if matches_delimiter {
list[ret_list_index] = &str_[slice_start_index..str_index];
slice_start_index = str_index + delimiter_len;
ret_list_index += 1;
str_index += delimiter_len;
} else {
str_index += 1;
}
}
}
list[ret_list_index] = &str_[slice_start_index..str_len];
list
}
#[no_mangle]
pub fn count_delimiters_(str: &[u8], delimiter: &[u8]) -> i64 {
let mut count: i64 = 0;