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-rw-r--r--vendor/thiserror-impl/src/expand.rs108
-rw-r--r--vendor/thiserror-impl/src/generics.rs1
-rw-r--r--vendor/thiserror-impl/src/lib.rs5
-rw-r--r--vendor/thiserror-impl/src/valid.rs6
4 files changed, 76 insertions, 44 deletions
diff --git a/vendor/thiserror-impl/src/expand.rs b/vendor/thiserror-impl/src/expand.rs
index 435ad4847..f2f7116f2 100644
--- a/vendor/thiserror-impl/src/expand.rs
+++ b/vendor/thiserror-impl/src/expand.rs
@@ -53,51 +53,59 @@ fn impl_struct(input: Struct) -> TokenStream {
let source_method = source_body.map(|body| {
quote! {
fn source(&self) -> std::option::Option<&(dyn std::error::Error + 'static)> {
- use thiserror::private::AsDynError;
+ use thiserror::__private::AsDynError;
#body
}
}
});
- let backtrace_method = input.backtrace_field().map(|backtrace_field| {
+ let provide_method = input.backtrace_field().map(|backtrace_field| {
+ let demand = quote!(demand);
let backtrace = &backtrace_field.member;
let body = if let Some(source_field) = input.source_field() {
let source = &source_field.member;
- let source_backtrace = if type_is_option(source_field.ty) {
+ let source_provide = if type_is_option(source_field.ty) {
quote_spanned! {source.span()=>
- self.#source.as_ref().and_then(|source| source.as_dyn_error().backtrace())
+ if let std::option::Option::Some(source) = &self.#source {
+ source.as_dyn_error().provide(#demand);
+ }
}
} else {
quote_spanned! {source.span()=>
- self.#source.as_dyn_error().backtrace()
+ self.#source.as_dyn_error().provide(#demand);
}
};
- let combinator = if source == backtrace {
- source_backtrace
+ let self_provide = if source == backtrace {
+ None
} else if type_is_option(backtrace_field.ty) {
- quote! {
- #source_backtrace.or(self.#backtrace.as_ref())
- }
+ Some(quote! {
+ if let std::option::Option::Some(backtrace) = &self.#backtrace {
+ #demand.provide_ref::<std::backtrace::Backtrace>(backtrace);
+ }
+ })
} else {
- quote! {
- std::option::Option::Some(#source_backtrace.unwrap_or(&self.#backtrace))
- }
+ Some(quote! {
+ #demand.provide_ref::<std::backtrace::Backtrace>(&self.#backtrace);
+ })
};
quote! {
- use thiserror::private::AsDynError;
- #combinator
+ use thiserror::__private::AsDynError;
+ #source_provide
+ #self_provide
}
} else if type_is_option(backtrace_field.ty) {
quote! {
- self.#backtrace.as_ref()
+ if let std::option::Option::Some(backtrace) = &self.#backtrace {
+ #demand.provide_ref::<std::backtrace::Backtrace>(backtrace);
+ }
}
} else {
quote! {
- std::option::Option::Some(&self.#backtrace)
+ #demand.provide_ref::<std::backtrace::Backtrace>(&self.#backtrace);
}
};
quote! {
- fn backtrace(&self) -> std::option::Option<&std::backtrace::Backtrace> {
+ fn provide<'_demand>(&'_demand self, #demand: &mut std::any::Demand<'_demand>) {
#body
}
}
@@ -115,7 +123,7 @@ fn impl_struct(input: Struct) -> TokenStream {
let use_as_display = if display.has_bonus_display {
Some(quote! {
#[allow(unused_imports)]
- use thiserror::private::{DisplayAsDisplay, PathAsDisplay};
+ use thiserror::__private::{DisplayAsDisplay, PathAsDisplay};
})
} else {
None
@@ -177,7 +185,7 @@ fn impl_struct(input: Struct) -> TokenStream {
#[allow(unused_qualifications)]
impl #impl_generics #error_trait for #ty #ty_generics #error_where_clause {
#source_method
- #backtrace_method
+ #provide_method
}
#display_impl
#from_impl
@@ -226,7 +234,7 @@ fn impl_enum(input: Enum) -> TokenStream {
});
Some(quote! {
fn source(&self) -> std::option::Option<&(dyn std::error::Error + 'static)> {
- use thiserror::private::AsDynError;
+ use thiserror::__private::AsDynError;
#[allow(deprecated)]
match self {
#(#arms)*
@@ -237,7 +245,8 @@ fn impl_enum(input: Enum) -> TokenStream {
None
};
- let backtrace_method = if input.has_backtrace() {
+ let provide_method = if input.has_backtrace() {
+ let demand = quote!(demand);
let arms = input.variants.iter().map(|variant| {
let ident = &variant.ident;
match (variant.backtrace_field(), variant.source_field()) {
@@ -247,22 +256,26 @@ fn impl_enum(input: Enum) -> TokenStream {
let backtrace = &backtrace_field.member;
let source = &source_field.member;
let varsource = quote!(source);
- let source_backtrace = if type_is_option(source_field.ty) {
+ let source_provide = if type_is_option(source_field.ty) {
quote_spanned! {source.span()=>
- #varsource.as_ref().and_then(|source| source.as_dyn_error().backtrace())
+ if let std::option::Option::Some(source) = #varsource {
+ source.as_dyn_error().provide(#demand);
+ }
}
} else {
quote_spanned! {source.span()=>
- #varsource.as_dyn_error().backtrace()
+ #varsource.as_dyn_error().provide(#demand);
}
};
- let combinator = if type_is_option(backtrace_field.ty) {
+ let self_provide = if type_is_option(backtrace_field.ty) {
quote! {
- #source_backtrace.or(backtrace.as_ref())
+ if let std::option::Option::Some(backtrace) = backtrace {
+ #demand.provide_ref::<std::backtrace::Backtrace>(backtrace);
+ }
}
} else {
quote! {
- std::option::Option::Some(#source_backtrace.unwrap_or(backtrace))
+ #demand.provide_ref::<std::backtrace::Backtrace>(backtrace);
}
};
quote! {
@@ -271,8 +284,9 @@ fn impl_enum(input: Enum) -> TokenStream {
#source: #varsource,
..
} => {
- use thiserror::private::AsDynError;
- #combinator
+ use thiserror::__private::AsDynError;
+ #source_provide
+ #self_provide
}
}
}
@@ -281,40 +295,50 @@ fn impl_enum(input: Enum) -> TokenStream {
{
let backtrace = &backtrace_field.member;
let varsource = quote!(source);
- let source_backtrace = if type_is_option(source_field.ty) {
+ let source_provide = if type_is_option(source_field.ty) {
quote_spanned! {backtrace.span()=>
- #varsource.as_ref().and_then(|source| source.as_dyn_error().backtrace())
+ if let std::option::Option::Some(source) = #varsource {
+ source.as_dyn_error().provide(#demand);
+ }
}
} else {
quote_spanned! {backtrace.span()=>
- #varsource.as_dyn_error().backtrace()
+ #varsource.as_dyn_error().provide(#demand);
}
};
quote! {
#ty::#ident {#backtrace: #varsource, ..} => {
- use thiserror::private::AsDynError;
- #source_backtrace
+ use thiserror::__private::AsDynError;
+ #source_provide
}
}
}
(Some(backtrace_field), _) => {
let backtrace = &backtrace_field.member;
let body = if type_is_option(backtrace_field.ty) {
- quote!(backtrace.as_ref())
+ quote! {
+ if let std::option::Option::Some(backtrace) = backtrace {
+ #demand.provide_ref::<std::backtrace::Backtrace>(backtrace);
+ }
+ }
} else {
- quote!(std::option::Option::Some(backtrace))
+ quote! {
+ #demand.provide_ref::<std::backtrace::Backtrace>(backtrace);
+ }
};
quote! {
- #ty::#ident {#backtrace: backtrace, ..} => #body,
+ #ty::#ident {#backtrace: backtrace, ..} => {
+ #body
+ }
}
}
(None, _) => quote! {
- #ty::#ident {..} => std::option::Option::None,
+ #ty::#ident {..} => {}
},
}
});
Some(quote! {
- fn backtrace(&self) -> std::option::Option<&std::backtrace::Backtrace> {
+ fn provide<'_demand>(&'_demand self, #demand: &mut std::any::Demand<'_demand>) {
#[allow(deprecated)]
match self {
#(#arms)*
@@ -335,7 +359,7 @@ fn impl_enum(input: Enum) -> TokenStream {
}) {
Some(quote! {
#[allow(unused_imports)]
- use thiserror::private::{DisplayAsDisplay, PathAsDisplay};
+ use thiserror::__private::{DisplayAsDisplay, PathAsDisplay};
})
} else {
None
@@ -420,7 +444,7 @@ fn impl_enum(input: Enum) -> TokenStream {
#[allow(unused_qualifications)]
impl #impl_generics #error_trait for #ty #ty_generics #error_where_clause {
#source_method
- #backtrace_method
+ #provide_method
}
#display_impl
#(#from_impls)*
diff --git a/vendor/thiserror-impl/src/generics.rs b/vendor/thiserror-impl/src/generics.rs
index 254c2ed35..95592a737 100644
--- a/vendor/thiserror-impl/src/generics.rs
+++ b/vendor/thiserror-impl/src/generics.rs
@@ -57,6 +57,7 @@ impl InferredBounds {
}
}
+ #[allow(clippy::type_repetition_in_bounds, clippy::trait_duplication_in_bounds)] // clippy bug: https://github.com/rust-lang/rust-clippy/issues/8771
pub fn insert(&mut self, ty: impl ToTokens, bound: impl ToTokens) {
let ty = ty.to_token_stream();
let bound = bound.to_token_stream();
diff --git a/vendor/thiserror-impl/src/lib.rs b/vendor/thiserror-impl/src/lib.rs
index a4d5ae7d5..f0fc96917 100644
--- a/vendor/thiserror-impl/src/lib.rs
+++ b/vendor/thiserror-impl/src/lib.rs
@@ -1,13 +1,16 @@
#![allow(
clippy::blocks_in_if_conditions,
+ clippy::cast_lossless,
clippy::cast_possible_truncation,
+ clippy::manual_find,
clippy::manual_map,
clippy::map_unwrap_or,
clippy::needless_pass_by_value,
clippy::option_if_let_else,
clippy::range_plus_one,
clippy::single_match_else,
- clippy::too_many_lines
+ clippy::too_many_lines,
+ clippy::wrong_self_convention
)]
extern crate proc_macro;
diff --git a/vendor/thiserror-impl/src/valid.rs b/vendor/thiserror-impl/src/valid.rs
index 7657265ef..cf5b8592c 100644
--- a/vendor/thiserror-impl/src/valid.rs
+++ b/vendor/thiserror-impl/src/valid.rs
@@ -180,7 +180,11 @@ fn check_field_attrs(fields: &[Field]) -> Result<()> {
}
}
if let Some(from_field) = from_field {
- if fields.len() > 1 + has_backtrace as usize {
+ let max_expected_fields = match backtrace_field {
+ Some(backtrace_field) => 1 + !same_member(from_field, backtrace_field) as usize,
+ None => 1 + has_backtrace as usize,
+ };
+ if fields.len() > max_expected_fields {
return Err(Error::new_spanned(
from_field.attrs.from,
"deriving From requires no fields other than source and backtrace",