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Replace 'try!' with '?' in serde_derive

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This commit is contained in:
David Tolnay
2023-07-27 19:11:15 -07:00
parent db8f06467b
commit 6f1f38d046
6 changed files with 90 additions and 118 deletions
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serde_derive/src/de.rs
+41 -41
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@@ -710,14 +710,14 @@ fn deserialize_seq(
let span = field.original.span();
let func =
quote_spanned!(span=> _serde::de::SeqAccess::next_element::<#field_ty>);
quote!(try!(#func(&mut __seq)))
quote!(#func(&mut __seq)?)
}
Some(path) => {
let (wrapper, wrapper_ty) = wrap_deserialize_field_with(params, field.ty, path);
quote!({
#wrapper
_serde::__private::Option::map(
try!(_serde::de::SeqAccess::next_element::<#wrapper_ty>(&mut __seq)),
_serde::de::SeqAccess::next_element::<#wrapper_ty>(&mut __seq)?,
|__wrap| __wrap.value)
})
}
@@ -824,8 +824,8 @@ fn deserialize_seq_in_place(
let write = match field.attrs.deserialize_with() {
None => {
quote! {
if let _serde::__private::None = try!(_serde::de::SeqAccess::next_element_seed(&mut __seq,
_serde::__private::de::InPlaceSeed(&mut self.place.#member)))
if let _serde::__private::None = _serde::de::SeqAccess::next_element_seed(&mut __seq,
_serde::__private::de::InPlaceSeed(&mut self.place.#member))?
{
#value_if_none
}
@@ -835,7 +835,7 @@ fn deserialize_seq_in_place(
let (wrapper, wrapper_ty) = wrap_deserialize_field_with(params, field.ty, path);
quote!({
#wrapper
match try!(_serde::de::SeqAccess::next_element::<#wrapper_ty>(&mut __seq)) {
match _serde::de::SeqAccess::next_element::<#wrapper_ty>(&mut __seq)? {
_serde::__private::Some(__wrap) => {
self.place.#member = __wrap.value;
}
@@ -887,12 +887,12 @@ fn deserialize_newtype_struct(
let span = field.original.span();
let func = quote_spanned!(span=> <#field_ty as _serde::Deserialize>::deserialize);
quote! {
try!(#func(__e))
#func(__e)?
}
}
Some(path) => {
quote! {
try!(#path(__e))
#path(__e)?
}
}
};
@@ -1364,7 +1364,7 @@ fn deserialize_externally_tagged_enum(
}
} else {
quote! {
match try!(_serde::de::EnumAccess::variant(__data)) {
match _serde::de::EnumAccess::variant(__data)? {
#(#variant_arms)*
}
}
@@ -1444,9 +1444,9 @@ fn deserialize_internally_tagged_enum(
#variants_stmt
let (__tag, __content) = try!(_serde::Deserializer::deserialize_any(
let (__tag, __content) = _serde::Deserializer::deserialize_any(
__deserializer,
_serde::__private::de::TaggedContentVisitor::<__Field>::new(#tag, #expecting)));
_serde::__private::de::TaggedContentVisitor::<__Field>::new(#tag, #expecting))?;
let __deserializer = _serde::__private::de::ContentDeserializer::<__D::Error>::new(__content);
match __tag {
@@ -1554,7 +1554,7 @@ fn deserialize_adjacently_tagged_enum(
// Advance the map by one key, returning early in case of error.
let next_key = quote! {
try!(_serde::de::MapAccess::next_key_seed(&mut __map, #tag_or_content))
_serde::de::MapAccess::next_key_seed(&mut __map, #tag_or_content)?
};
// When allowing unknown fields, we want to transparently step through keys
@@ -1567,7 +1567,7 @@ fn deserialize_adjacently_tagged_enum(
while let _serde::__private::Some(__k) = #next_key {
match __k {
_serde::__private::de::TagContentOtherField::Other => {
let _ = try!(_serde::de::MapAccess::next_value::<_serde::de::IgnoredAny>(&mut __map));
let _ = _serde::de::MapAccess::next_value::<_serde::de::IgnoredAny>(&mut __map)?;
continue;
},
_serde::__private::de::TagContentOtherField::Tag => {
@@ -1602,14 +1602,14 @@ fn deserialize_adjacently_tagged_enum(
let finish_content_then_tag = if variant_arms.is_empty() {
quote! {
match try!(_serde::de::MapAccess::next_value::<__Field>(&mut __map)) {}
match _serde::de::MapAccess::next_value::<__Field>(&mut __map)? {}
}
} else {
quote! {
let __ret = try!(match try!(_serde::de::MapAccess::next_value(&mut __map)) {
let __ret = match _serde::de::MapAccess::next_value(&mut __map)? {
// Deserialize the buffered content now that we know the variant.
#(#variant_arms)*
});
}?;
// Visit remaining keys, looking for duplicates.
#visit_remaining_keys
}
@@ -1662,7 +1662,7 @@ fn deserialize_adjacently_tagged_enum(
// First key is the tag.
_serde::__private::Some(_serde::__private::de::TagOrContentField::Tag) => {
// Parse the tag.
let __field = try!(_serde::de::MapAccess::next_value(&mut __map));
let __field = _serde::de::MapAccess::next_value(&mut __map)?;
// Visit the second key.
match #next_relevant_key {
// Second key is a duplicate of the tag.
@@ -1671,12 +1671,12 @@ fn deserialize_adjacently_tagged_enum(
}
// Second key is the content.
_serde::__private::Some(_serde::__private::de::TagOrContentField::Content) => {
let __ret = try!(_serde::de::MapAccess::next_value_seed(&mut __map,
let __ret = _serde::de::MapAccess::next_value_seed(&mut __map,
__Seed {
field: __field,
marker: _serde::__private::PhantomData,
lifetime: _serde::__private::PhantomData,
}));
})?;
// Visit remaining keys, looking for duplicates.
#visit_remaining_keys
}
@@ -1687,7 +1687,7 @@ fn deserialize_adjacently_tagged_enum(
// First key is the content.
_serde::__private::Some(_serde::__private::de::TagOrContentField::Content) => {
// Buffer up the content.
let __content = try!(_serde::de::MapAccess::next_value::<_serde::__private::de::Content>(&mut __map));
let __content = _serde::de::MapAccess::next_value::<_serde::__private::de::Content>(&mut __map)?;
// Visit the second key.
match #next_relevant_key {
// Second key is the tag.
@@ -1717,17 +1717,17 @@ fn deserialize_adjacently_tagged_enum(
__A: _serde::de::SeqAccess<#delife>,
{
// Visit the first element - the tag.
match try!(_serde::de::SeqAccess::next_element(&mut __seq)) {
match _serde::de::SeqAccess::next_element(&mut __seq)? {
_serde::__private::Some(__field) => {
// Visit the second element - the content.
match try!(_serde::de::SeqAccess::next_element_seed(
match _serde::de::SeqAccess::next_element_seed(
&mut __seq,
__Seed {
field: __field,
marker: _serde::__private::PhantomData,
lifetime: _serde::__private::PhantomData,
},
)) {
)? {
_serde::__private::Some(__ret) => _serde::__private::Ok(__ret),
// There is no second element.
_serde::__private::None => {
@@ -1797,7 +1797,7 @@ fn deserialize_untagged_enum_after(
let fallthrough_msg = cattrs.expecting().unwrap_or(&fallthrough_msg);
quote_block! {
let __content = try!(<_serde::__private::de::Content as _serde::Deserialize>::deserialize(__deserializer));
let __content = <_serde::__private::de::Content as _serde::Deserialize>::deserialize(__deserializer)?;
let __deserializer = _serde::__private::de::ContentRefDeserializer::<__D::Error>::new(&__content);
#(
@@ -1830,7 +1830,7 @@ fn deserialize_externally_tagged_variant(
Style::Unit => {
let this_value = &params.this_value;
quote_block! {
try!(_serde::de::VariantAccess::unit_variant(__variant));
_serde::de::VariantAccess::unit_variant(__variant)?;
_serde::__private::Ok(#this_value::#variant_ident)
}
}
@@ -1879,7 +1879,7 @@ fn deserialize_internally_tagged_variant(
quote!((#default))
});
quote_block! {
try!(_serde::Deserializer::deserialize_any(#deserializer, _serde::__private::de::InternallyTaggedUnitVisitor::new(#type_name, #variant_name)));
_serde::Deserializer::deserialize_any(#deserializer, _serde::__private::de::InternallyTaggedUnitVisitor::new(#type_name, #variant_name))?;
_serde::__private::Ok(#this_value::#variant_ident #default)
}
}
@@ -1965,7 +1965,7 @@ fn deserialize_externally_tagged_newtype_variant(
if field.attrs.skip_deserializing() {
let default = Expr(expr_is_missing(field, cattrs));
return quote_block! {
try!(_serde::de::VariantAccess::unit_variant(__variant));
_serde::de::VariantAccess::unit_variant(__variant)?;
_serde::__private::Ok(#this_value::#variant_ident(#default))
};
}
@@ -2540,7 +2540,7 @@ fn deserialize_map(
let func =
quote_spanned!(span=> _serde::de::MapAccess::next_value::<#field_ty>);
quote! {
try!(#func(&mut __map))
#func(&mut __map)?
}
}
Some(path) => {
@@ -2572,14 +2572,14 @@ fn deserialize_map(
__Field::__other(__name) => {
__collect.push(_serde::__private::Some((
__name,
try!(_serde::de::MapAccess::next_value(&mut __map)))));
_serde::de::MapAccess::next_value(&mut __map)?)));
}
})
} else if cattrs.deny_unknown_fields() {
None
} else {
Some(quote! {
_ => { let _ = try!(_serde::de::MapAccess::next_value::<_serde::de::IgnoredAny>(&mut __map)); }
_ => { let _ = _serde::de::MapAccess::next_value::<_serde::de::IgnoredAny>(&mut __map)?; }
})
};
@@ -2587,14 +2587,14 @@ fn deserialize_map(
let match_keys = if cattrs.deny_unknown_fields() && all_skipped {
quote! {
// FIXME: Once feature(exhaustive_patterns) is stable:
// let _serde::__private::None::<__Field> = try!(_serde::de::MapAccess::next_key(&mut __map));
// let _serde::__private::None::<__Field> = _serde::de::MapAccess::next_key(&mut __map)?;
_serde::__private::Option::map(
try!(_serde::de::MapAccess::next_key::<__Field>(&mut __map)),
_serde::de::MapAccess::next_key::<__Field>(&mut __map)?,
|__impossible| match __impossible {});
}
} else {
quote! {
while let _serde::__private::Some(__key) = try!(_serde::de::MapAccess::next_key::<__Field>(&mut __map)) {
while let _serde::__private::Some(__key) = _serde::de::MapAccess::next_key::<__Field>(&mut __map)? {
match __key {
#(#value_arms)*
#ignored_arm
@@ -2630,10 +2630,10 @@ fn deserialize_map(
Some(path) => quote!(#path),
};
quote! {
let #name: #field_ty = try!(#func(
let #name: #field_ty = #func(
_serde::__private::de::FlatMapDeserializer(
&mut __collect,
_serde::__private::PhantomData)));
_serde::__private::PhantomData))?;
}
});
@@ -2780,7 +2780,7 @@ fn deserialize_map_in_place(
let visit = match field.attrs.deserialize_with() {
None => {
quote! {
try!(_serde::de::MapAccess::next_value_seed(&mut __map, _serde::__private::de::InPlaceSeed(&mut self.place.#member)))
_serde::de::MapAccess::next_value_seed(&mut __map, _serde::__private::de::InPlaceSeed(&mut self.place.#member))?
}
}
Some(path) => {
@@ -2812,7 +2812,7 @@ fn deserialize_map_in_place(
None
} else {
Some(quote! {
_ => { let _ = try!(_serde::de::MapAccess::next_value::<_serde::de::IgnoredAny>(&mut __map)); }
_ => { let _ = _serde::de::MapAccess::next_value::<_serde::de::IgnoredAny>(&mut __map)?; }
})
};
@@ -2821,14 +2821,14 @@ fn deserialize_map_in_place(
let match_keys = if cattrs.deny_unknown_fields() && all_skipped {
quote! {
// FIXME: Once feature(exhaustive_patterns) is stable:
// let _serde::__private::None::<__Field> = try!(_serde::de::MapAccess::next_key(&mut __map));
// let _serde::__private::None::<__Field> = _serde::de::MapAccess::next_key(&mut __map)?;
_serde::__private::Option::map(
try!(_serde::de::MapAccess::next_key::<__Field>(&mut __map)),
_serde::de::MapAccess::next_key::<__Field>(&mut __map)?,
|__impossible| match __impossible {});
}
} else {
quote! {
while let _serde::__private::Some(__key) = try!(_serde::de::MapAccess::next_key::<__Field>(&mut __map)) {
while let _serde::__private::Some(__key) = _serde::de::MapAccess::next_key::<__Field>(&mut __map)? {
match __key {
#(#value_arms_from)*
#ignored_arm
@@ -2925,7 +2925,7 @@ fn wrap_deserialize_with(
__D: _serde::Deserializer<#delife>,
{
_serde::__private::Ok(__DeserializeWith {
value: try!(#deserialize_with(__deserializer)),
value: #deserialize_with(__deserializer)?,
phantom: _serde::__private::PhantomData,
lifetime: _serde::__private::PhantomData,
})
@@ -3035,7 +3035,7 @@ fn expr_is_missing(field: &Field, cattrs: &attr::Container) -> Fragment {
let span = field.original.span();
let func = quote_spanned!(span=> _serde::__private::de::missing_field);
quote_expr! {
try!(#func(#name))
#func(#name)?
}
}
Some(_) => {