Skip to content

Remove unused functions and arguments from rustc_serialize #85903

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jun 7, 2021
Merged

Remove unused functions and arguments from rustc_serialize #85903

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 2 additions & 2 deletions compiler/rustc_errors/src/json.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -216,7 +216,7 @@ macro_rules! encode_fields {
$(
$enc.emit_struct_field(
stringify!($name),
idx,
idx == 0,
|enc| $name.encode(enc),
)?;
idx += 1;
Expand All @@ -229,7 +229,7 @@ macro_rules! encode_fields {
// Special-case encoder to skip tool_metadata if not set
impl<E: Encoder> Encodable<E> for Diagnostic {
fn encode(&self, s: &mut E) -> Result<(), E::Error> {
s.emit_struct("diagnostic", 7, |s| {
s.emit_struct(false, |s| {
let mut idx = 0;

idx = encode_fields!(
Expand Down
18 changes: 8 additions & 10 deletions compiler/rustc_macros/src/serialize.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -43,12 +43,9 @@ fn decodable_body(
let decode_body = match s.variants() {
[vi] => {
let construct = vi.construct(|field, index| decode_field(field, index, true));
let n_fields = vi.ast().fields.len();
quote! {
::rustc_serialize::Decoder::read_struct(
__decoder,
#ty_name,
#n_fields,
|__decoder| { ::std::result::Result::Ok(#construct) },
)
}
Expand Down Expand Up @@ -77,7 +74,6 @@ fn decodable_body(
quote! {
::rustc_serialize::Decoder::read_enum(
__decoder,
#ty_name,
|__decoder| {
::rustc_serialize::Decoder::read_enum_variant(
__decoder,
Expand Down Expand Up @@ -128,7 +124,7 @@ fn decode_field(field: &syn::Field, index: usize, is_struct: bool) -> proc_macro

quote! {
match ::rustc_serialize::Decoder::#decode_method(
__decoder, #opt_field_name #index, #decode_inner_method) {
__decoder, #opt_field_name #decode_inner_method) {
::std::result::Result::Ok(__res) => __res,
::std::result::Result::Err(__err) => return ::std::result::Result::Err(__err),
}
Expand Down Expand Up @@ -183,7 +179,6 @@ fn encodable_body(
}
});

let ty_name = s.ast().ident.to_string();
let encode_body = match s.variants() {
[_] => {
let mut field_idx = 0usize;
Expand All @@ -197,11 +192,12 @@ fn encodable_body(
.ident
.as_ref()
.map_or_else(|| field_idx.to_string(), |i| i.to_string());
let first = field_idx == 0;
let result = quote! {
match ::rustc_serialize::Encoder::emit_struct_field(
__encoder,
#field_name,
#field_idx,
#first,
|__encoder|
::rustc_serialize::Encodable::<#encoder_ty>::encode(#bind_ident, __encoder),
) {
Expand All @@ -215,8 +211,9 @@ fn encodable_body(
})
.collect::<TokenStream>()
});
let no_fields = field_idx == 0;
quote! {
::rustc_serialize::Encoder::emit_struct(__encoder, #ty_name, #field_idx, |__encoder| {
::rustc_serialize::Encoder::emit_struct(__encoder, #no_fields, |__encoder| {
::std::result::Result::Ok(match *self { #encode_inner })
})
}
Expand All @@ -232,10 +229,11 @@ fn encodable_body(
.iter()
.map(|binding| {
let bind_ident = &binding.binding;
let first = field_idx == 0;
let result = quote! {
match ::rustc_serialize::Encoder::emit_enum_variant_arg(
__encoder,
#field_idx,
#first,
|__encoder|
::rustc_serialize::Encodable::<#encoder_ty>::encode(#bind_ident, __encoder),
) {
Expand All @@ -260,7 +258,7 @@ fn encodable_body(
result
});
quote! {
::rustc_serialize::Encoder::emit_enum(__encoder, #ty_name, |__encoder| {
::rustc_serialize::Encoder::emit_enum(__encoder, |__encoder| {
match *self {
#encode_inner
}
Expand Down
12 changes: 6 additions & 6 deletions compiler/rustc_query_system/src/dep_graph/serialized.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -122,21 +122,21 @@ impl<'a, K: DepKind + Decodable<opaque::Decoder<'a>>> Decodable<opaque::Decoder<
let mut edge_list_data = Vec::with_capacity(edge_count);

for _index in 0..node_count {
d.read_struct("NodeInfo", 3, |d| {
let dep_node: DepNode<K> = d.read_struct_field("node", 0, Decodable::decode)?;
d.read_struct(|d| {
let dep_node: DepNode<K> = d.read_struct_field("node", Decodable::decode)?;
let _i: SerializedDepNodeIndex = nodes.push(dep_node);
debug_assert_eq!(_i.index(), _index);

let fingerprint: Fingerprint =
d.read_struct_field("fingerprint", 1, Decodable::decode)?;
d.read_struct_field("fingerprint", Decodable::decode)?;
let _i: SerializedDepNodeIndex = fingerprints.push(fingerprint);
debug_assert_eq!(_i.index(), _index);

d.read_struct_field("edges", 2, |d| {
d.read_struct_field("edges", |d| {
d.read_seq(|d, len| {
let start = edge_list_data.len().try_into().unwrap();
for e in 0..len {
let edge = d.read_seq_elt(e, Decodable::decode)?;
for _ in 0..len {
let edge = d.read_seq_elt(Decodable::decode)?;
edge_list_data.push(edge);
}
let end = edge_list_data.len().try_into().unwrap();
Expand Down
48 changes: 24 additions & 24 deletions compiler/rustc_serialize/src/collection_impls.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -21,8 +21,8 @@ impl<D: Decoder, A: Array<Item: Decodable<D>>> Decodable<D> for SmallVec<A> {
d.read_seq(|d, len| {
let mut vec = SmallVec::with_capacity(len);
// FIXME(#48994) - could just be collected into a Result<SmallVec, D::Error>
for i in 0..len {
vec.push(d.read_seq_elt(i, |d| Decodable::decode(d))?);
for _ in 0..len {
vec.push(d.read_seq_elt(|d| Decodable::decode(d))?);
}
Ok(vec)
})
Expand All @@ -44,8 +44,8 @@ impl<D: Decoder, T: Decodable<D>> Decodable<D> for LinkedList<T> {
fn decode(d: &mut D) -> Result<LinkedList<T>, D::Error> {
d.read_seq(|d, len| {
let mut list = LinkedList::new();
for i in 0..len {
list.push_back(d.read_seq_elt(i, |d| Decodable::decode(d))?);
for _ in 0..len {
list.push_back(d.read_seq_elt(|d| Decodable::decode(d))?);
}
Ok(list)
})
Expand All @@ -67,8 +67,8 @@ impl<D: Decoder, T: Decodable<D>> Decodable<D> for VecDeque<T> {
fn decode(d: &mut D) -> Result<VecDeque<T>, D::Error> {
d.read_seq(|d, len| {
let mut deque: VecDeque<T> = VecDeque::with_capacity(len);
for i in 0..len {
deque.push_back(d.read_seq_elt(i, |d| Decodable::decode(d))?);
for _ in 0..len {
deque.push_back(d.read_seq_elt(|d| Decodable::decode(d))?);
}
Ok(deque)
})
Expand All @@ -84,7 +84,7 @@ where
e.emit_map(self.len(), |e| {
for (i, (key, val)) in self.iter().enumerate() {
e.emit_map_elt_key(i, |e| key.encode(e))?;
e.emit_map_elt_val(i, |e| val.encode(e))?;
e.emit_map_elt_val(|e| val.encode(e))?;
}
Ok(())
})
Expand All @@ -99,9 +99,9 @@ where
fn decode(d: &mut D) -> Result<BTreeMap<K, V>, D::Error> {
d.read_map(|d, len| {
let mut map = BTreeMap::new();
for i in 0..len {
let key = d.read_map_elt_key(i, |d| Decodable::decode(d))?;
let val = d.read_map_elt_val(i, |d| Decodable::decode(d))?;
for _ in 0..len {
let key = d.read_map_elt_key(|d| Decodable::decode(d))?;
let val = d.read_map_elt_val(|d| Decodable::decode(d))?;
map.insert(key, val);
}
Ok(map)
Expand Down Expand Up @@ -130,8 +130,8 @@ where
fn decode(d: &mut D) -> Result<BTreeSet<T>, D::Error> {
d.read_seq(|d, len| {
let mut set = BTreeSet::new();
for i in 0..len {
set.insert(d.read_seq_elt(i, |d| Decodable::decode(d))?);
for _ in 0..len {
set.insert(d.read_seq_elt(|d| Decodable::decode(d))?);
}
Ok(set)
})
Expand All @@ -148,7 +148,7 @@ where
e.emit_map(self.len(), |e| {
for (i, (key, val)) in self.iter().enumerate() {
e.emit_map_elt_key(i, |e| key.encode(e))?;
e.emit_map_elt_val(i, |e| val.encode(e))?;
e.emit_map_elt_val(|e| val.encode(e))?;
}
Ok(())
})
Expand All @@ -165,9 +165,9 @@ where
d.read_map(|d, len| {
let state = Default::default();
let mut map = HashMap::with_capacity_and_hasher(len, state);
for i in 0..len {
let key = d.read_map_elt_key(i, |d| Decodable::decode(d))?;
let val = d.read_map_elt_val(i, |d| Decodable::decode(d))?;
for _ in 0..len {
let key = d.read_map_elt_key(|d| Decodable::decode(d))?;
let val = d.read_map_elt_val(|d| Decodable::decode(d))?;
map.insert(key, val);
}
Ok(map)
Expand Down Expand Up @@ -209,8 +209,8 @@ where
d.read_seq(|d, len| {
let state = Default::default();
let mut set = HashSet::with_capacity_and_hasher(len, state);
for i in 0..len {
set.insert(d.read_seq_elt(i, |d| Decodable::decode(d))?);
for _ in 0..len {
set.insert(d.read_seq_elt(|d| Decodable::decode(d))?);
}
Ok(set)
})
Expand All @@ -227,7 +227,7 @@ where
e.emit_map(self.len(), |e| {
for (i, (key, val)) in self.iter().enumerate() {
e.emit_map_elt_key(i, |e| key.encode(e))?;
e.emit_map_elt_val(i, |e| val.encode(e))?;
e.emit_map_elt_val(|e| val.encode(e))?;
}
Ok(())
})
Expand All @@ -244,9 +244,9 @@ where
d.read_map(|d, len| {
let state = Default::default();
let mut map = indexmap::IndexMap::with_capacity_and_hasher(len, state);
for i in 0..len {
let key = d.read_map_elt_key(i, |d| Decodable::decode(d))?;
let val = d.read_map_elt_val(i, |d| Decodable::decode(d))?;
for _ in 0..len {
let key = d.read_map_elt_key(|d| Decodable::decode(d))?;
let val = d.read_map_elt_val(|d| Decodable::decode(d))?;
map.insert(key, val);
}
Ok(map)
Expand Down Expand Up @@ -278,8 +278,8 @@ where
d.read_seq(|d, len| {
let state = Default::default();
let mut set = indexmap::IndexSet::with_capacity_and_hasher(len, state);
for i in 0..len {
set.insert(d.read_seq_elt(i, |d| Decodable::decode(d))?);
for _ in 0..len {
set.insert(d.read_seq_elt(|d| Decodable::decode(d))?);
}
Ok(set)
})
Expand Down
Loading