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Implement <T>::method UFCS expression syntax.

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This commit is contained in:
Eduard Burtescu
2015-02-17 19:29:13 +02:00
parent fdfb532d78
commit d31b9ebef5
40 changed files with 286 additions and 200 deletions
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28
src/libsyntax/fold.rs
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@@ -424,12 +424,14 @@ pub fn noop_fold_ty<T: Folder>(t: P<Ty>, fld: &mut T) -> P<Ty> {
}
TyTup(tys) => TyTup(tys.move_map(|ty| fld.fold_ty(ty))),
TyParen(ty) => TyParen(fld.fold_ty(ty)),
TyPath(path) => TyPath(fld.fold_path(path)),
TyQPath(qpath) => {
TyQPath(QPath {
self_type: fld.fold_ty(qpath.self_type),
path: fld.fold_path(qpath.path)
})
TyPath(qself, path) => {
let qself = qself.map(|QSelf { ty, position }| {
QSelf {
ty: fld.fold_ty(ty),
position: position
}
});
TyPath(qself, fld.fold_path(path))
}
TyObjectSum(ty, bounds) => {
TyObjectSum(fld.fold_ty(ty),
@@ -1347,11 +1349,15 @@ pub fn noop_fold_expr<T: Folder>(Expr {id, node, span}: Expr, folder: &mut T) ->
ExprRange(e1.map(|x| folder.fold_expr(x)),
e2.map(|x| folder.fold_expr(x)))
}
ExprPath(pth) => ExprPath(folder.fold_path(pth)),
ExprQPath(qpath) => ExprQPath(QPath {
self_type: folder.fold_ty(qpath.self_type),
path: folder.fold_path(qpath.path)
}),
ExprPath(qself, path) => {
let qself = qself.map(|QSelf { ty, position }| {
QSelf {
ty: folder.fold_ty(ty),
position: position
}
});
ExprPath(qself, folder.fold_path(path))
}
ExprBreak(opt_ident) => ExprBreak(opt_ident.map(|x| folder.fold_ident(x))),
ExprAgain(opt_ident) => ExprAgain(opt_ident.map(|x| folder.fold_ident(x))),
ExprRet(e) => ExprRet(e.map(|x| folder.fold_expr(x))),