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start of destructure patterns

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Folkert 2022-05-11 14:31:50 +02:00
parent 94267cf7ab
commit e81daf25cb
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4 changed files with 54 additions and 3 deletions
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28
compiler/can/src/expr.rs
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@ -2047,6 +2047,34 @@ impl Declarations {
index
}
/// Any def with a weird pattern
pub fn push_destructure_def(
&mut self,
loc_pattern: Loc<Pattern>,
loc_expr: Loc<Expr>,
expr_var: Variable,
annotation: Option<Annotation>,
pattern_vars: VecMap<Symbol, Variable>,
) -> usize {
let index = self.declarations.len();
let destruct_def = DestructureDef {
loc_pattern,
pattern_vars,
};
let destructure_def_index = Index::push_new(&mut self.destructs, destruct_def);
self.declarations.push(DeclarationTag::Destructure(destructure_def_index));
self.variables.push(expr_var);
self.symbols.push(Loc::at_zero(Symbol::ATTR_ATTR));
self.annotations.push(annotation);
self.expressions.push(loc_expr);
index
}
pub fn push_def(&mut self, def: Def) {
match def.loc_pattern.value {
Pattern::Identifier(symbol) => match def.loc_expr.value {