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

move List.sublist to backend

Browse source
This commit is contained in:
satotake 2021-11-13 04:55:18 +00:00 • committed by GitHub
parent 8f8b2463ea
commit 98d2c57edf
10 changed files with 102 additions and 33 deletions
Download patch file Download diff file Expand all files Collapse all files

23
compiler/gen_llvm/src/llvm/build.rs
View file

@ -12,7 +12,7 @@ use crate::llvm::build_list::{
list_contains, list_drop, list_drop_at, list_find_trivial_not_found, list_find_unsafe,
list_get_unsafe, list_join, list_keep_errs, list_keep_if, list_keep_oks, list_len, list_map,
list_map2, list_map3, list_map4, list_map_with_index, list_prepend, list_range, list_repeat,
list_reverse, list_set, list_single, list_sort_with, list_swap, list_take_first,
list_reverse, list_set, list_single, list_sort_with, list_sublist, list_swap, list_take_first,
list_take_last,
};
use crate::llvm::build_str::{
@ -5210,6 +5210,27 @@ fn run_low_level<'a, 'ctx, 'env>(
_ => unreachable!("Invalid layout {:?} in List.takeLast", list_layout),
}
}
ListSublist => {
// List.sublist : List elem, { start : Nat, len : Nat } -> List elem
debug_assert_eq!(args.len(), 2);
let (list, list_layout) = load_symbol_and_layout(scope, &args[0]);
let original_wrapper = list.into_struct_value();
let rec = load_symbol(scope, &args[1]);
match list_layout {
Layout::Builtin(Builtin::EmptyList) => empty_list(env),
Layout::Builtin(Builtin::List(element_layout)) => list_sublist(
env,
layout_ids,
original_wrapper,
rec.into_struct_value(),
element_layout,
),
_ => unreachable!("Invalid layout {:?} in List.sublist", list_layout),
}
}
ListDrop => {
// List.drop : List elem, Nat -> List elem
debug_assert_eq!(args.len(), 2);