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remove closes_over field

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Folkert 2020-10-18 20:45:28 +02:00
parent 6c79048f9b
commit 9cecfe3558
2 changed files with 5 additions and 15 deletions
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19
compiler/mono/src/ir.rs
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@ -51,7 +51,6 @@ pub struct Proc<'a> {
pub name: Symbol,
pub args: &'a [(Layout<'a>, Symbol)],
pub body: Stmt<'a>,
pub closes_over: Layout<'a>,
pub ret_layout: Layout<'a>,
pub is_self_recursive: SelfRecursive,
}
@ -1434,7 +1433,7 @@ fn specialize_external<'a>(
}
}
let (proc_args, closes_over, ret_layout) =
let (proc_args, ret_layout) =
build_specialized_proc_from_var(env, layout_cache, pattern_symbols, fn_var)?;
// reset subs, so we don't get type errors when specializing for a different signature
@ -1451,7 +1450,6 @@ fn specialize_external<'a>(
name: proc_name,
args: proc_args,
body: specialized_body,
closes_over,
ret_layout,
is_self_recursive: recursivity,
};
@ -1465,7 +1463,7 @@ fn build_specialized_proc_from_var<'a>(
layout_cache: &mut LayoutCache<'a>,
pattern_symbols: &[Symbol],
fn_var: Variable,
) -> Result<(&'a [(Layout<'a>, Symbol)], Layout<'a>, Layout<'a>), LayoutProblem> {
) -> Result<(&'a [(Layout<'a>, Symbol)], Layout<'a>), LayoutProblem> {
match env.subs.get_without_compacting(fn_var).content {
Content::Structure(FlatType::Func(pattern_vars, closure_var, ret_var)) => {
build_specialized_proc(
@ -1500,7 +1498,7 @@ fn build_specialized_proc<'a>(
pattern_vars: &[Variable],
closure_var: Option<Variable>,
ret_var: Variable,
) -> Result<(&'a [(Layout<'a>, Symbol)], Layout<'a>, Layout<'a>), LayoutProblem> {
) -> Result<(&'a [(Layout<'a>, Symbol)], Layout<'a>), LayoutProblem> {
let mut proc_args = Vec::with_capacity_in(pattern_vars.len(), &env.arena);
for (arg_var, arg_name) in pattern_vars.iter().zip(pattern_symbols.iter()) {
@ -1530,20 +1528,11 @@ fn build_specialized_proc<'a>(
let proc_args = proc_args.into_bump_slice();
let closes_over = match closure_var {
Some(cvar) => match layout_cache.from_var(&env.arena, cvar, env.subs) {
Ok(layout) => layout,
Err(LayoutProblem::UnresolvedTypeVar) => Layout::Struct(&[]),
Err(err) => panic!("TODO handle invalid function {:?}", err),
},
None => Layout::Struct(&[]),
};
let ret_layout = layout_cache
.from_var(&env.arena, ret_var, env.subs)
.unwrap_or_else(|err| panic!("TODO handle invalid function {:?}", err));
Ok((proc_args, closes_over, ret_layout))
Ok((proc_args, ret_layout))
}
fn specialize<'a>(