language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-09-28 14:24:45 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

reduce cloning of Env

Browse source
This commit is contained in:
Folkert 2022-03-01 00:08:56 +01:00
parent d3bbf6d504
commit 8b457a56c5
No known key found for this signature in database
GPG key ID: 1F17F6FFD112B97C
2 changed files with 17 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

24
compiler/solve/src/solve.rs
View file

@ -1,3 +1,4 @@
use bumpalo::Bump;
use roc_can::constraint::Constraint::{self, *};
use roc_can::constraint::PresenceConstraint;
use roc_can::expected::{Expected, PExpected};
@ -192,7 +193,11 @@ pub fn run_in_place(
mark: Mark::NONE.next(),
};
let rank = Rank::toplevel();
let arena = Bump::new();
let state = solve(
&arena,
env,
state,
rank,
@ -212,7 +217,7 @@ enum After {
enum Work<'a> {
Constraint {
env: Env,
env: &'a Env,
rank: Rank,
constraint: &'a Constraint,
after: Option<After>,
@ -223,6 +228,7 @@ enum Work<'a> {
#[allow(clippy::too_many_arguments)]
fn solve(
arena: &Bump,
env: &Env,
mut state: State,
rank: Rank,
@ -233,7 +239,7 @@ fn solve(
constraint: &Constraint,
) -> State {
let mut stack = vec![Work::Constraint {
env: env.clone(),
env,
rank,
constraint,
after: None,
@ -269,7 +275,7 @@ fn solve(
// NOTE deviation: elm only copies the env into the state on SaveTheEnvironment
let mut copy = state;
copy.env = env;
copy.env = env.clone();
copy
}
@ -412,7 +418,7 @@ fn solve(
And(sub_constraints) => {
for sub_constraint in sub_constraints.iter().rev() {
stack.push(Work::Constraint {
env: env.clone(),
env,
rank,
constraint: sub_constraint,
after: None,
@ -484,7 +490,8 @@ fn solve(
ret_con if let_con.rigid_vars.is_empty() && let_con.flex_vars.is_empty() => {
// TODO: make into `WorkItem` with `After`
let state = solve(
&env,
arena,
env,
state,
rank,
pools,
@ -517,7 +524,7 @@ fn solve(
}
stack.push(Work::Constraint {
env: new_env,
env: arena.alloc(new_env),
rank,
constraint: ret_con,
after: Some(After::CheckForInfiniteTypes(local_def_vars)),
@ -581,7 +588,8 @@ fn solve(
env: saved_env,
mark,
} = solve(
&env,
arena,
env,
state,
next_rank,
pools,
@ -660,7 +668,7 @@ fn solve(
// Now solve the body, using the new vars_by_symbol which includes
// the assignments' name-to-variable mappings.
stack.push(Work::Constraint {
env: new_env,
env: arena.alloc(new_env),
rank,
constraint: ret_con,
after: Some(After::CheckForInfiniteTypes(local_def_vars)),