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Record type annotations for methods.

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This commit is contained in:
Graydon Hoare 2010-12-17 17:52:18 -08:00
parent c44c7c5ab3
commit b00abd04e2
1 changed files with 40 additions and 2 deletions
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40
src/comp/middle/typeck.rs
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@ -621,12 +621,50 @@ fn collect_item_types(@ast.crate crate) -> tup(@ast.crate, @ty_table) {
ret @fold.respan[ast.item_](sp, item);
}
fn get_ctor_obj_methods(@ty t) -> vec[method] {
alt (t.struct) {
case (ty_fn(_,?tobj)) {
alt (tobj.struct) {
case (ty_obj(?tm)) {
ret tm;
}
case (_) {
let vec[method] tm = vec();
ret tm;
}
}
}
case (_) {
let vec[method] tm = vec();
ret tm;
}
}
}
fn fold_item_obj(&@env e, &span sp, ast.ident i,
&ast._obj ob, vec[ast.ty_param] ty_params,
ast.def_id id, ast.ann a) -> @ast.item {
check (e.item_to_ty.contains_key(id));
auto ty = e.item_to_ty.get(id);
auto item = ast.item_obj(i, ob, ty_params, id,
let vec[method] meth_tys = get_ctor_obj_methods(ty);
let vec[@ast.method] methods = vec();
let uint n = 0u;
for (method meth_ty in meth_tys) {
let @ast.method meth = ob.methods.(n);
let ast.method_ m_;
let @ast.method m;
auto meth_tfn = plain_ty(ty_fn(meth_ty.inputs,
meth_ty.output));
m_ = rec(ann=ast.ann_type(meth_tfn) with meth.node);
m = @rec(node=m_ with *meth);
append[@ast.method](methods, m);
n += 1u;
}
auto ob_ = rec(methods = methods with ob);
auto item = ast.item_obj(i, ob_, ty_params, id,
ast.ann_type(ty));
ret @fold.respan[ast.item_](sp, item);
}