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use only references (no Vec) in canonical AST

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Folkert 2020-10-26 01:03:33 +01:00
parent 4002778e4c
commit 047746c716
7 changed files with 74 additions and 35 deletions
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14
compiler/parse/src/ast.rs
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@ -29,7 +29,7 @@ pub struct InterfaceHeader<'a> {
#[derive(Clone, Debug, PartialEq)]
pub struct WhenBranch<'a> {
pub patterns: Vec<'a, Loc<Pattern<'a>>>,
pub patterns: &'a [Loc<Pattern<'a>>],
pub value: Loc<Expr<'a>>,
pub guard: Option<Loc<Expr<'a>>>,
}
@ -188,10 +188,10 @@ pub enum Expr<'a> {
AccessorFunction(&'a str),
// Collection Literals
List(Vec<'a, &'a Loc<Expr<'a>>>),
List(&'a [&'a Loc<Expr<'a>>]),
Record {
update: Option<&'a Loc<Expr<'a>>>,
fields: Vec<'a, Loc<AssignedField<'a, Expr<'a>>>>,
fields: &'a [Loc<AssignedField<'a, Expr<'a>>>],
},
// Lookups
@ -205,14 +205,14 @@ pub enum Expr<'a> {
PrivateTag(&'a str),
// Pattern Matching
Closure(&'a Vec<'a, Loc<Pattern<'a>>>, &'a Loc<Expr<'a>>),
Closure(&'a [Loc<Pattern<'a>>], &'a Loc<Expr<'a>>),
/// Multiple defs in a row
Defs(Vec<'a, &'a Loc<Def<'a>>>, &'a Loc<Expr<'a>>),
Defs(&'a [&'a Loc<Def<'a>>], &'a Loc<Expr<'a>>),
// Application
/// To apply by name, do Apply(Var(...), ...)
/// To apply a tag by name, do Apply(Tag(...), ...)
Apply(&'a Loc<Expr<'a>>, Vec<'a, &'a Loc<Expr<'a>>>, CalledVia),
Apply(&'a Loc<Expr<'a>>, &'a [&'a Loc<Expr<'a>>], CalledVia),
BinOp(&'a (Loc<Expr<'a>>, Loc<BinOp>, Loc<Expr<'a>>)),
UnaryOp(&'a Loc<Expr<'a>>, Loc<UnaryOp>),
@ -226,7 +226,7 @@ pub enum Expr<'a> {
/// Vec, because there may be many patterns, and the guard
/// is Option<Expr> because each branch may be preceded by
/// a guard (".. if ..").
Vec<'a, &'a WhenBranch<'a>>,
&'a [&'a WhenBranch<'a>],
),
// Blank Space (e.g. comments, spaces, newlines) before or after an expression.