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rustc: Parse type-parametric functions

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This commit is contained in:
Patrick Walton 2010-11-24 16:52:49 -08:00
parent 80d099c59a
commit c1916adc7e
6 changed files with 38 additions and 18 deletions
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15
src/comp/middle/fold.rs
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@ -158,7 +158,9 @@ type ast_fold[ENV] =
// Item folds.
(fn(&ENV e, &span sp, ident ident,
&ast._fn f, def_id id, ann a) -> @item) fold_item_fn,
&ast._fn f,
vec[ast.ty_param] ty_params,
def_id id, ann a) -> @item) fold_item_fn,
(fn(&ENV e, &span sp, ident ident,
&ast._mod m, def_id id) -> @item) fold_item_mod,
@ -537,9 +539,9 @@ fn fold_item[ENV](&ENV env, ast_fold[ENV] fld, @item i) -> @item {
alt (i.node) {
case (ast.item_fn(?ident, ?ff, ?id, ?ann)) {
case (ast.item_fn(?ident, ?ff, ?tps, ?id, ?ann)) {
let ast._fn ff_ = fold_fn[ENV](env_, fld, ff);
ret fld.fold_item_fn(env_, i.span, ident, ff_, id, ann);
ret fld.fold_item_fn(env_, i.span, ident, ff_, tps, id, ann);
}
case (ast.item_mod(?ident, ?mm, ?id)) {
@ -798,8 +800,9 @@ fn identity_fold_stmt_expr[ENV](&ENV e, &span sp, @expr x) -> @stmt {
// Item identities.
fn identity_fold_item_fn[ENV](&ENV e, &span sp, ident i,
&ast._fn f, def_id id, ann a) -> @item {
ret @respan(sp, ast.item_fn(i, f, id, a));
&ast._fn f, vec[ast.ty_param] ty_params,
def_id id, ann a) -> @item {
ret @respan(sp, ast.item_fn(i, f, ty_params, id, a));
}
fn identity_fold_item_mod[ENV](&ENV e, &span sp, ident i,
@ -933,7 +936,7 @@ fn new_identity_fold[ENV]() -> ast_fold[ENV] {
= bind identity_fold_stmt_check_expr[ENV](_,_,_),
fold_stmt_expr = bind identity_fold_stmt_expr[ENV](_,_,_),
fold_item_fn = bind identity_fold_item_fn[ENV](_,_,_,_,_,_),
fold_item_fn = bind identity_fold_item_fn[ENV](_,_,_,_,_,_,_),
fold_item_mod = bind identity_fold_item_mod[ENV](_,_,_,_,_),
fold_item_ty = bind identity_fold_item_ty[ENV](_,_,_,_,_,_),
fold_item_tag = bind identity_fold_item_tag[ENV](_,_,_,_,_),