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add variable to list

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stores the list type, so we can know whether it is unique
This commit is contained in:
Folkert 2020-08-10 21:05:57 +02:00
parent 4de573b54b
commit b4c5c2f793
7 changed files with 118 additions and 30 deletions
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5
compiler/can/src/expr.rs
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@ -58,6 +58,7 @@ pub enum Expr {
Str(Box<str>),
BlockStr(Box<str>),
List {
list_var: Variable, // required for uniqueness of the list
elem_var: Variable,
loc_elems: Vec<Located<Expr>>,
},
@ -256,6 +257,7 @@ pub fn canonicalize_expr<'a>(
if loc_elems.is_empty() {
(
List {
list_var: var_store.fresh(),
elem_var: var_store.fresh(),
loc_elems: Vec::new(),
},
@ -283,6 +285,7 @@ pub fn canonicalize_expr<'a>(
(
List {
list_var: var_store.fresh(),
elem_var: var_store.fresh(),
loc_elems: can_elems,
},
@ -1052,6 +1055,7 @@ pub fn inline_calls(var_store: &mut VarStore, scope: &mut Scope, expr: Expr) ->
| other @ RunLowLevel { .. } => other,
List {
list_var,
elem_var,
loc_elems,
} => {
@ -1067,6 +1071,7 @@ pub fn inline_calls(var_store: &mut VarStore, scope: &mut Scope, expr: Expr) ->
}
List {
list_var,
elem_var,
loc_elems: new_elems,
}