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Access all std types through absolute path #369

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Nov 6, 2024
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Access all std types through absolute path #369

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46 changes: 23 additions & 23 deletions impl/src/expand.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ fn fallback(input: &DeriveInput, error: syn::Error) -> TokenStream {

#[allow(unused_qualifications)]
#[automatically_derived]
impl #impl_generics std::error::Error for #ty #ty_generics #where_clause
impl #impl_generics ::std::error::Error for #ty #ty_generics #where_clause
where
// Work around trivial bounds being unstable.
// https://github.com/rust-lang/rust/issues/48214
Expand All @@ -62,17 +62,17 @@ fn impl_struct(input: Struct) -> TokenStream {
let source_body = if let Some(transparent_attr) = &input.attrs.transparent {
let only_field = &input.fields[0];
if only_field.contains_generic {
error_inferred_bounds.insert(only_field.ty, quote!(std::error::Error));
error_inferred_bounds.insert(only_field.ty, quote!(::std::error::Error));
}
let member = &only_field.member;
Some(quote_spanned! {transparent_attr.span=>
std::error::Error::source(self.#member.as_dyn_error())
::std::error::Error::source(self.#member.as_dyn_error())
})
} else if let Some(source_field) = input.source_field() {
let source = &source_field.member;
if source_field.contains_generic {
let ty = unoptional_type(source_field.ty);
error_inferred_bounds.insert(ty, quote!(std::error::Error + 'static));
error_inferred_bounds.insert(ty, quote!(::std::error::Error + 'static));
}
let asref = if type_is_option(source_field.ty) {
Some(quote_spanned!(source.span()=> .as_ref()?))
Expand All @@ -90,7 +90,7 @@ fn impl_struct(input: Struct) -> TokenStream {
};
let source_method = source_body.map(|body| {
quote! {
fn source(&self) -> ::core::option::Option<&(dyn std::error::Error + 'static)> {
fn source(&self) -> ::core::option::Option<&(dyn ::std::error::Error + 'static)> {
use ::thiserror::__private::AsDynError as _;
#body
}
Expand Down Expand Up @@ -118,12 +118,12 @@ fn impl_struct(input: Struct) -> TokenStream {
} else if type_is_option(backtrace_field.ty) {
Some(quote! {
if let ::core::option::Option::Some(backtrace) = &self.#backtrace {
#request.provide_ref::<std::backtrace::Backtrace>(backtrace);
#request.provide_ref::<::std::backtrace::Backtrace>(backtrace);
}
})
} else {
Some(quote! {
#request.provide_ref::<std::backtrace::Backtrace>(&self.#backtrace);
#request.provide_ref::<::std::backtrace::Backtrace>(&self.#backtrace);
})
};
quote! {
Expand All @@ -134,16 +134,16 @@ fn impl_struct(input: Struct) -> TokenStream {
} else if type_is_option(backtrace_field.ty) {
quote! {
if let ::core::option::Option::Some(backtrace) = &self.#backtrace {
#request.provide_ref::<std::backtrace::Backtrace>(backtrace);
#request.provide_ref::<::std::backtrace::Backtrace>(backtrace);
}
}
} else {
quote! {
#request.provide_ref::<std::backtrace::Backtrace>(&self.#backtrace);
#request.provide_ref::<::std::backtrace::Backtrace>(&self.#backtrace);
}
};
quote! {
fn provide<'_request>(&'_request self, #request: &mut std::error::Request<'_request>) {
fn provide<'_request>(&'_request self, #request: &mut ::std::error::Request<'_request>) {
#body
}
}
Expand Down Expand Up @@ -218,7 +218,7 @@ fn impl_struct(input: Struct) -> TokenStream {
quote! {
#[allow(unused_qualifications)]
#[automatically_derived]
impl #impl_generics std::error::Error for #ty #ty_generics #error_where_clause {
impl #impl_generics ::std::error::Error for #ty #ty_generics #error_where_clause {
#source_method
#provide_method
}
Expand All @@ -238,11 +238,11 @@ fn impl_enum(input: Enum) -> TokenStream {
if let Some(transparent_attr) = &variant.attrs.transparent {
let only_field = &variant.fields[0];
if only_field.contains_generic {
error_inferred_bounds.insert(only_field.ty, quote!(std::error::Error));
error_inferred_bounds.insert(only_field.ty, quote!(::std::error::Error));
}
let member = &only_field.member;
let source = quote_spanned! {transparent_attr.span=>
std::error::Error::source(transparent.as_dyn_error())
::std::error::Error::source(transparent.as_dyn_error())
};
quote! {
#ty::#ident {#member: transparent} => #source,
Expand All @@ -251,7 +251,7 @@ fn impl_enum(input: Enum) -> TokenStream {
let source = &source_field.member;
if source_field.contains_generic {
let ty = unoptional_type(source_field.ty);
error_inferred_bounds.insert(ty, quote!(std::error::Error + 'static));
error_inferred_bounds.insert(ty, quote!(::std::error::Error + 'static));
}
let asref = if type_is_option(source_field.ty) {
Some(quote_spanned!(source.span()=> .as_ref()?))
Expand All @@ -272,7 +272,7 @@ fn impl_enum(input: Enum) -> TokenStream {
}
});
Some(quote! {
fn source(&self) -> ::core::option::Option<&(dyn std::error::Error + 'static)> {
fn source(&self) -> ::core::option::Option<&(dyn ::std::error::Error + 'static)> {
use ::thiserror::__private::AsDynError as _;
#[allow(deprecated)]
match self {
Expand Down Expand Up @@ -309,12 +309,12 @@ fn impl_enum(input: Enum) -> TokenStream {
let self_provide = if type_is_option(backtrace_field.ty) {
quote! {
if let ::core::option::Option::Some(backtrace) = backtrace {
#request.provide_ref::<std::backtrace::Backtrace>(backtrace);
#request.provide_ref::<::std::backtrace::Backtrace>(backtrace);
}
}
} else {
quote! {
#request.provide_ref::<std::backtrace::Backtrace>(backtrace);
#request.provide_ref::<::std::backtrace::Backtrace>(backtrace);
}
};
quote! {
Expand Down Expand Up @@ -357,12 +357,12 @@ fn impl_enum(input: Enum) -> TokenStream {
let body = if type_is_option(backtrace_field.ty) {
quote! {
if let ::core::option::Option::Some(backtrace) = backtrace {
#request.provide_ref::<std::backtrace::Backtrace>(backtrace);
#request.provide_ref::<::std::backtrace::Backtrace>(backtrace);
}
}
} else {
quote! {
#request.provide_ref::<std::backtrace::Backtrace>(backtrace);
#request.provide_ref::<::std::backtrace::Backtrace>(backtrace);
}
};
quote! {
Expand All @@ -377,7 +377,7 @@ fn impl_enum(input: Enum) -> TokenStream {
}
});
Some(quote! {
fn provide<'_request>(&'_request self, #request: &mut std::error::Request<'_request>) {
fn provide<'_request>(&'_request self, #request: &mut ::std::error::Request<'_request>) {
#[allow(deprecated)]
match self {
#(#arms)*
Expand Down Expand Up @@ -483,7 +483,7 @@ fn impl_enum(input: Enum) -> TokenStream {
quote! {
#[allow(unused_qualifications)]
#[automatically_derived]
impl #impl_generics std::error::Error for #ty #ty_generics #error_where_clause {
impl #impl_generics ::std::error::Error for #ty #ty_generics #error_where_clause {
#source_method
#provide_method
}
Expand Down Expand Up @@ -532,11 +532,11 @@ fn from_initializer(
let backtrace_member = &backtrace_field.member;
if type_is_option(backtrace_field.ty) {
quote! {
#backtrace_member: ::core::option::Option::Some(std::backtrace::Backtrace::capture()),
#backtrace_member: ::core::option::Option::Some(::std::backtrace::Backtrace::capture()),
}
} else {
quote! {
#backtrace_member: ::core::convert::From::from(std::backtrace::Backtrace::capture()),
#backtrace_member: ::core::convert::From::from(::std::backtrace::Backtrace::capture()),
}
}
});
Expand Down
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