mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Refactor noop_fold_stmt_kind out of noop_fold_stmt.

Browse Source
This commit is contained in:
Jeffrey Seyfried 2016-09-04 22:49:45 +00:00
parent 50f94f6c95
commit 60440b226d
1 changed files with 13 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
src/libsyntax/fold.rs
View File

@ -1320,51 +1320,27 @@ pub fn noop_fold_exprs<T: Folder>(es: Vec<P<Expr>>, folder: &mut T) -> Vec<P<Exp
es.move_flat_map(|e| folder.fold_opt_expr(e))
}
pub fn noop_fold_stmt<T: Folder>(Stmt {node, span, id}: Stmt, folder: &mut T)
-> SmallVector<Stmt> {
pub fn noop_fold_stmt<T: Folder>(Stmt {node, span, id}: Stmt, folder: &mut T) -> SmallVector<Stmt> {
let id = folder.new_id(id);
let span = folder.new_span(span);
noop_fold_stmt_kind(node, folder).into_iter().map(|node| {
Stmt { id: id, node: node, span: span }
}).collect()
}
pub fn noop_fold_stmt_kind<T: Folder>(node: StmtKind, folder: &mut T) -> SmallVector<StmtKind> {
match node {
StmtKind::Local(local) => SmallVector::one(Stmt {
id: id,
node: StmtKind::Local(folder.fold_local(local)),
span: span,
}),
StmtKind::Item(item) => folder.fold_item(item).into_iter().map(|item| Stmt {
id: id,
node: StmtKind::Item(item),
span: span,
}).collect(),
StmtKind::Local(local) => SmallVector::one(StmtKind::Local(folder.fold_local(local))),
StmtKind::Item(item) => folder.fold_item(item).into_iter().map(StmtKind::Item).collect(),
StmtKind::Expr(expr) => {
if let Some(expr) = folder.fold_opt_expr(expr) {
SmallVector::one(Stmt {
id: id,
node: StmtKind::Expr(expr),
span: span,
})
} else {
SmallVector::zero()
}
folder.fold_opt_expr(expr).into_iter().map(StmtKind::Expr).collect()
}
StmtKind::Semi(expr) => {
if let Some(expr) = folder.fold_opt_expr(expr) {
SmallVector::one(Stmt {
id: id,
node: StmtKind::Semi(expr),
span: span,
})
} else {
SmallVector::zero()
}
folder.fold_opt_expr(expr).into_iter().map(StmtKind::Semi).collect()
}
StmtKind::Mac(mac) => SmallVector::one(Stmt {
id: id,
node: StmtKind::Mac(mac.map(|(mac, semi, attrs)| {
(folder.fold_mac(mac), semi, fold_attrs(attrs.into(), folder).into())
})),
span: span,
})
StmtKind::Mac(mac) => SmallVector::one(StmtKind::Mac(mac.map(|(mac, semi, attrs)| {
(folder.fold_mac(mac), semi, fold_attrs(attrs.into(), folder).into())
}))),
}
}