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Add support for $crate to Ident

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This commit is contained in:
Daniel Bloom 2025-04-13 22:17:26 -07:00 committed by Daniel Bloom
parent fe5c95d4ae
commit 6d1e93d8cd
5 changed files with 860 additions and 50 deletions
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4
library/proc_macro/src/bridge/symbol.rs
View File

@ -33,7 +33,7 @@ impl Symbol {
/// Validates and normalizes before converting it to a symbol.
pub(crate) fn new_ident(string: &str, is_raw: bool) -> Self {
// Fast-path: check if this is a valid ASCII identifier
if Self::is_valid_ascii_ident(string.as_bytes()) {
if Self::is_valid_ascii_ident(string.as_bytes()) || string == "$crate" {
if is_raw && !Self::can_be_raw(string) {
panic!("`{}` cannot be a raw identifier", string);
}
@ -79,7 +79,7 @@ impl Symbol {
// Mimics the behavior of `Symbol::can_be_raw` from `rustc_span`
fn can_be_raw(string: &str) -> bool {
match string {
"_" | "super" | "self" | "Self" | "crate" => false,
"_" | "super" | "self" | "Self" | "crate" | "$crate" => false,
_ => true,
}
}

112
tests/ui/proc-macro/auxiliary/mixed-site-span.rs
View File

@ -3,33 +3,89 @@
extern crate proc_macro;
use proc_macro::*;
#[proc_macro]
pub fn proc_macro_rules(input: TokenStream) -> TokenStream {
if input.is_empty() {
let id = |s| TokenTree::from(Ident::new(s, Span::mixed_site()));
let item_def = id("ItemDef");
let local_def = id("local_def");
let item_use = id("ItemUse");
let local_use = id("local_use");
let mut single_quote = Punct::new('\'', Spacing::Joint);
single_quote.set_span(Span::mixed_site());
let label_use: TokenStream = [
TokenTree::from(single_quote),
id("label_use"),
].iter().cloned().collect();
quote!(
struct $item_def;
let $local_def = 0;
$item_use; // OK
$local_use; // ERROR
break $label_use; // ERROR
)
} else {
let mut dollar_crate = input.into_iter().next().unwrap();
dollar_crate.set_span(Span::mixed_site());
quote!(
type A = $dollar_crate::ItemUse;
)
}
#[proc_macro]
pub fn proc_macro_item(input: TokenStream) -> TokenStream {
input
}
#[proc_macro]
pub fn proc_macro_rules(_input: TokenStream) -> TokenStream {
let id = |s| TokenTree::from(Ident::new(s, Span::mixed_site()));
let item_def = id("ItemDef");
let local_def = id("local_def");
let item_use = id("ItemUse");
let local_use = id("local_use");
let mut single_quote = Punct::new('\'', Spacing::Joint);
single_quote.set_span(Span::mixed_site());
let label_use: TokenStream = [
TokenTree::from(single_quote),
id("label_use"),
].iter().cloned().collect();
let dollar_crate = id("$crate");
quote!(
use $dollar_crate::proc_macro_item as _; // OK
type A = $dollar_crate::ItemUse; // ERROR
struct $item_def;
let $local_def = 0;
$item_use; // OK
$local_use; // ERROR
break $label_use; // ERROR
)
}
#[proc_macro]
pub fn with_crate(input: TokenStream) -> TokenStream {
let mut input = input.into_iter();
let TokenTree::Ident(mut krate) = input.next().unwrap() else { panic!("missing $crate") };
let TokenTree::Ident(span) = input.next().unwrap() else { panic!("missing span") };
let TokenTree::Ident(ident) = input.next().unwrap() else { panic!("missing ident") };
match (krate.to_string().as_str(), span.to_string().as_str()) {
("$crate", "input") => {},
(_, "input") => krate = Ident::new("$crate", krate.span()),
("$crate", "mixed") => krate.set_span(Span::mixed_site()),
(_, "mixed") => krate = Ident::new("$crate", Span::mixed_site()),
("$crate", "call") => krate.set_span(Span::call_site()),
(_, "call") => krate = Ident::new("$crate", Span::call_site()),
(_, x) => panic!("bad span {}", x),
}
quote!(use $krate::$ident as _;)
}
#[proc_macro]
pub fn declare_macro(input: TokenStream) -> TokenStream {
let mut input = input.into_iter();
let TokenTree::Ident(mut krate) = input.next().unwrap() else { panic!("missing $crate") };
let TokenTree::Ident(span) = input.next().unwrap() else { panic!("missing span") };
let TokenTree::Ident(ident) = input.next().unwrap() else { panic!("missing ident") };
match (krate.to_string().as_str(), span.to_string().as_str()) {
("$crate", "input") => {},
(_, "input") => krate = Ident::new("$crate", krate.span()),
("$crate", "mixed") => krate.set_span(Span::mixed_site()),
(_, "mixed") => krate = Ident::new("$crate", Span::mixed_site()),
("$crate", "call") => krate.set_span(Span::call_site()),
(_, "call") => krate = Ident::new("$crate", Span::call_site()),
(_, x) => panic!("bad span {}", x),
}
quote!(
#[macro_export]
macro_rules! $ident {
($$i:ident) => {
use $krate::$$i as _;
};
}
)
}

30
tests/ui/proc-macro/auxiliary/token-site-span.rs Normal file
View File

@ -0,0 +1,30 @@
// Testing token span hygiene.
//@ proc-macro: mixed-site-span.rs
extern crate mixed_site_span;
use mixed_site_span::declare_macro;
pub struct TokenItem;
#[macro_export]
macro_rules! invoke_with_crate {
($s:ident $i:ident) => { with_crate!{$crate $s $i} };
}
#[macro_export]
macro_rules! invoke_with_ident {
($s:ident $i:ident) => { with_crate!{krate $s $i} };
($m:ident $s:ident $i:ident) => { with_crate!{$m $s $i} };
}
macro_rules! local {() => {
declare_macro!{$crate input use_input_crate}
declare_macro!{$crate mixed use_mixed_crate}
declare_macro!{$crate call use_call_crate}
}}
local!{}
declare_macro!{krate input use_input_krate}
declare_macro!{krate mixed use_mixed_krate}
declare_macro!{krate call use_call_krate}

164
tests/ui/proc-macro/mixed-site-span.rs
View File

@ -1,24 +1,174 @@
// Proc macros using `mixed_site` spans exhibit usual properties of `macro_rules` hygiene.
//@ aux-build: token-site-span.rs
//@ proc-macro: mixed-site-span.rs
#[macro_use]
extern crate mixed_site_span;
extern crate token_site_span;
struct ItemUse;
use mixed_site_span::{proc_macro_rules, with_crate};
use token_site_span::{
invoke_with_crate, invoke_with_ident,
use_input_crate, use_mixed_crate, use_call_crate,
use_input_krate, use_mixed_krate, use_call_krate,
};
pub struct ItemUse;
fn main() {
'label_use: loop {
let local_use = 1;
proc_macro_rules!();
//~^ ERROR use of undeclared label `'label_use`
//~^ ERROR cannot find type `ItemUse` in crate `$crate`
//~| ERROR use of undeclared label `'label_use`
//~| ERROR cannot find value `local_use` in this scope
ItemDef; // OK
local_def; //~ ERROR cannot find value `local_def` in this scope
}
}
macro_rules! pass_dollar_crate {
() => (proc_macro_rules!($crate);) //~ ERROR cannot find type `ItemUse` in crate `$crate`
}
pass_dollar_crate!();
// Successful resolutions of `mixed_site_span::proc_macro_item`
const _: () = {
invoke_with_crate!{mixed proc_macro_item}
invoke_with_ident!{mixed proc_macro_item}
invoke_with_ident!{krate mixed proc_macro_item}
with_crate!{krate mixed proc_macro_item}
macro_rules! test {() => {
invoke_with_ident!{$crate mixed proc_macro_item}
with_crate!{$crate mixed proc_macro_item}
}}
test!();
};
// Failed resolutions of `proc_macro_item`
const _: () = {
// token_site_span::proc_macro_item
invoke_with_crate!{input proc_macro_item} //~ ERROR unresolved import `$crate`
invoke_with_ident!{input proc_macro_item} //~ ERROR unresolved import `$crate`
invoke_with_crate!{call proc_macro_item} //~ ERROR unresolved import `$crate`
invoke_with_ident!{call proc_macro_item} //~ ERROR unresolved import `$crate`
invoke_with_ident!{hello call proc_macro_item} //~ ERROR unresolved import `$crate`
// crate::proc_macro_item
invoke_with_ident!{krate input proc_macro_item} //~ ERROR unresolved import `$crate::proc_macro_item`
with_crate!{krate input proc_macro_item} //~ ERROR unresolved import `$crate::proc_macro_item`
with_crate!{krate call proc_macro_item} //~ ERROR unresolved import `$crate`
macro_rules! test {() => {
// crate::proc_macro_item
invoke_with_ident!{$crate input proc_macro_item} //~ ERROR unresolved import `$crate`
with_crate!{$crate input proc_macro_item} //~ ERROR unresolved import `$crate`
with_crate!{$crate call proc_macro_item} //~ ERROR unresolved import `$crate`
// token_site_span::proc_macro_item
invoke_with_ident!{$crate call proc_macro_item} //~ ERROR unresolved import `$crate`
}}
test!();
};
// Successful resolutions of `token_site_span::TokenItem`
const _: () = {
invoke_with_crate!{input TokenItem}
invoke_with_ident!{input TokenItem}
invoke_with_crate!{call TokenItem}
invoke_with_ident!{call TokenItem}
invoke_with_ident!{hello call TokenItem}
macro_rules! test {() => {
invoke_with_ident!{$crate call TokenItem}
}}
test!();
};
// Failed resolutions of `TokenItem`
const _: () = {
// crate::TokenItem
invoke_with_ident!{krate input TokenItem} //~ ERROR unresolved import `$crate::TokenItem`
with_crate!{krate input TokenItem} //~ ERROR unresolved import `$crate::TokenItem`
with_crate!{krate call TokenItem} //~ ERROR unresolved import `$crate`
// mixed_site_span::TokenItem
invoke_with_crate!{mixed TokenItem} //~ ERROR unresolved import `$crate`
invoke_with_ident!{mixed TokenItem} //~ ERROR unresolved import `$crate`
invoke_with_ident!{krate mixed TokenItem} //~ ERROR unresolved import `$crate`
with_crate!{krate mixed TokenItem} //~ ERROR unresolved import `$crate`
macro_rules! test {() => {
// crate::TokenItem
invoke_with_ident!{$crate input TokenItem} //~ ERROR unresolved import `$crate`
with_crate!{$crate input TokenItem} //~ ERROR unresolved import `$crate`
with_crate!{$crate call TokenItem} //~ ERROR unresolved import `$crate`
// mixed_site_span::TokenItem
invoke_with_ident!{$crate mixed TokenItem} //~ ERROR unresolved import `$crate`
with_crate!{$crate mixed TokenItem} //~ ERROR unresolved import `$crate`
}}
test!();
};
// Successful resolutions of `crate::ItemUse`
const _: () = {
invoke_with_ident!{krate input ItemUse}
with_crate!{krate input ItemUse}
with_crate!{krate call ItemUse}
macro_rules! test {() => {
invoke_with_ident!{$crate input ItemUse}
with_crate!{$crate input ItemUse}
with_crate!{$crate call ItemUse}
}}
test!();
};
// Failed resolutions of `ItemUse`
const _: () = {
// token_site_span::ItemUse
invoke_with_crate!{input ItemUse} //~ ERROR unresolved import `$crate`
invoke_with_ident!{input ItemUse} //~ ERROR unresolved import `$crate`
// mixed_site_span::ItemUse
invoke_with_crate!{mixed ItemUse} //~ ERROR unresolved import `$crate`
invoke_with_ident!{mixed ItemUse} //~ ERROR unresolved import `$crate`
invoke_with_ident!{krate mixed ItemUse} //~ ERROR unresolved import `$crate`
with_crate!{krate mixed ItemUse} //~ ERROR unresolved import `$crate`
invoke_with_crate!{call ItemUse} //~ ERROR unresolved import `$crate`
invoke_with_ident!{call ItemUse} //~ ERROR unresolved import `$crate`
invoke_with_ident!{hello call ItemUse} //~ ERROR unresolved import `$crate`
macro_rules! test {() => {
invoke_with_ident!{$crate mixed ItemUse} //~ ERROR unresolved import `$crate`
with_crate!{$crate mixed ItemUse} //~ ERROR unresolved import `$crate`
invoke_with_ident!{$crate call ItemUse} //~ ERROR unresolved import `$crate`
}}
test!();
};
// Only mixed should see mixed_site_span::proc_macro_item
use_input_crate!{proc_macro_item} //~ ERROR unresolved import `$crate`
use_input_krate!{proc_macro_item} //~ ERROR unresolved import `$crate`
use_mixed_crate!{proc_macro_item}
use_mixed_krate!{proc_macro_item}
use_call_crate!{proc_macro_item} //~ ERROR unresolved import `$crate`
use_call_krate!{proc_macro_item} //~ ERROR unresolved import `$crate`
// Only mixed should fail to see token_site_span::TokenItem
use_input_crate!{TokenItem}
use_input_krate!{TokenItem}
use_mixed_crate!{TokenItem} //~ ERROR unresolved import `$crate`
use_mixed_krate!{TokenItem} //~ ERROR unresolved import `$crate`
use_call_crate!{TokenItem}
use_call_krate!{TokenItem}
// Everything should fail to see crate::ItemUse
use_input_crate!{ItemUse} //~ ERROR unresolved import `$crate`
use_input_krate!{ItemUse} //~ ERROR unresolved import `$crate`
use_mixed_crate!{ItemUse} //~ ERROR unresolved import `$crate`
use_mixed_krate!{ItemUse} //~ ERROR unresolved import `$crate`
use_call_crate!{ItemUse} //~ ERROR unresolved import `$crate`
use_call_krate!{ItemUse} //~ ERROR unresolved import `$crate`

600
tests/ui/proc-macro/mixed-site-span.stderr
View File

@ -1,13 +1,595 @@
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:47:5
|
LL | invoke_with_crate!{input proc_macro_item}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `proc_macro_item` in the root
|
= note: this error originates in the macro `invoke_with_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:48:5
|
LL | invoke_with_ident!{input proc_macro_item}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `proc_macro_item` in the root
|
= note: this error originates in the macro `invoke_with_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:49:5
|
LL | invoke_with_crate!{call proc_macro_item}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `proc_macro_item` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `invoke_with_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:50:5
|
LL | invoke_with_ident!{call proc_macro_item}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `proc_macro_item` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `invoke_with_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:51:5
|
LL | invoke_with_ident!{hello call proc_macro_item}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `proc_macro_item` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `invoke_with_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate::proc_macro_item`
--> $DIR/mixed-site-span.rs:54:5
|
LL | invoke_with_ident!{krate input proc_macro_item}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------------^
| | |
| | help: a similar name exists in the module: `proc_macro_rules`
| no `proc_macro_item` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `invoke_with_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate::proc_macro_item`
--> $DIR/mixed-site-span.rs:55:5
|
LL | with_crate!{krate input proc_macro_item}
| ^^^^^^^^^^^^^^^^^^^^^^^^---------------^
| | |
| | help: a similar name exists in the module: `proc_macro_rules`
| no `proc_macro_item` in the root
|
= note: this error originates in the macro `with_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:56:5
|
LL | with_crate!{krate call proc_macro_item}
| ^^^^^^^^^^^^^^^^^^^^^^^---------------^
| | |
| | help: a similar name exists in the module: `proc_macro_rules`
| no `proc_macro_item` in the root
|
= note: this error originates in the macro `with_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:60:28
|
LL | invoke_with_ident!{$crate input proc_macro_item}
| ^^^^^^ --------------- help: a similar name exists in the module: `proc_macro_rules`
| |
| no `proc_macro_item` in the root
...
LL | test!();
| ------- in this macro invocation
|
= note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:61:21
|
LL | with_crate!{$crate input proc_macro_item}
| ^^^^^^ --------------- help: a similar name exists in the module: `proc_macro_rules`
| |
| no `proc_macro_item` in the root
...
LL | test!();
| ------- in this macro invocation
|
= note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:62:9
|
LL | with_crate!{$crate call proc_macro_item}
| ^^^^^^^^^^^^^^^^^^^^^^^^---------------^
| | |
| | help: a similar name exists in the module: `proc_macro_rules`
| no `proc_macro_item` in the root
...
LL | test!();
| ------- in this macro invocation
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:67:5
|
LL | test!();
| ^^^^^^^ no `proc_macro_item` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate::TokenItem`
--> $DIR/mixed-site-span.rs:87:5
|
LL | invoke_with_ident!{krate input TokenItem}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `TokenItem` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `invoke_with_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/mixed-site-span.rs:59:34
|
LL | quote!(use $krate::$ident as token_site_span::TokenItem as _;)
| +++++++++++++++++++++++++++++
error[E0432]: unresolved import `$crate::TokenItem`
--> $DIR/mixed-site-span.rs:88:5
|
LL | with_crate!{krate input TokenItem}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `TokenItem` in the root
|
= note: this error originates in the macro `with_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/mixed-site-span.rs:59:34
|
LL | quote!(use $krate::$ident as token_site_span::TokenItem as _;)
| +++++++++++++++++++++++++++++
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:89:5
|
LL | with_crate!{krate call TokenItem}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `TokenItem` in the root
|
= note: this error originates in the macro `with_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
|
LL - with_crate!{krate call TokenItem}
LL + token_site_span::TokenItem as _
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:92:5
|
LL | invoke_with_crate!{mixed TokenItem}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `TokenItem` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `invoke_with_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/token-site-span.rs:13:30
|
LL - ($s:ident $i:ident) => { with_crate!{$crate $s $i} };
LL + ($s:ident $i:ident) => { token_site_span::TokenItem as _ };
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:93:5
|
LL | invoke_with_ident!{mixed TokenItem}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `TokenItem` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `invoke_with_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/token-site-span.rs:18:30
|
LL - ($s:ident $i:ident) => { with_crate!{krate $s $i} };
LL + ($s:ident $i:ident) => { token_site_span::TokenItem as _ };
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:94:5
|
LL | invoke_with_ident!{krate mixed TokenItem}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `TokenItem` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `invoke_with_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/token-site-span.rs:19:39
|
LL - ($m:ident $s:ident $i:ident) => { with_crate!{$m $s $i} };
LL + ($m:ident $s:ident $i:ident) => { token_site_span::TokenItem as _ };
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:95:5
|
LL | with_crate!{krate mixed TokenItem}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `TokenItem` in the root
|
= note: this error originates in the macro `with_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
|
LL - with_crate!{krate mixed TokenItem}
LL + token_site_span::TokenItem as _
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:99:28
|
LL | invoke_with_ident!{$crate input TokenItem}
| ^^^^^^ no `TokenItem` in the root
...
LL | test!();
| ------- in this macro invocation
|
= note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
|
LL - invoke_with_ident!{$crate input TokenItem}
LL + invoke_with_ident!{token_site_span::TokenItem as _ input TokenItem}
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:100:21
|
LL | with_crate!{$crate input TokenItem}
| ^^^^^^ no `TokenItem` in the root
...
LL | test!();
| ------- in this macro invocation
|
= note: this error originates in the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
|
LL - with_crate!{$crate input TokenItem}
LL + with_crate!{token_site_span::TokenItem as _ input TokenItem}
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:101:9
|
LL | with_crate!{$crate call TokenItem}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `TokenItem` in the root
...
LL | test!();
| ------- in this macro invocation
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
|
LL - with_crate!{$crate call TokenItem}
LL + token_site_span::TokenItem as _
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:108:5
|
LL | test!();
| ^^^^^^^ no `TokenItem` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/token-site-span.rs:19:39
|
LL - ($m:ident $s:ident $i:ident) => { with_crate!{$m $s $i} };
LL + ($m:ident $s:ident $i:ident) => { token_site_span::TokenItem as _ };
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:105:9
|
LL | with_crate!{$crate mixed TokenItem}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `TokenItem` in the root
...
LL | test!();
| ------- in this macro invocation
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
|
LL - with_crate!{$crate mixed TokenItem}
LL + token_site_span::TokenItem as _
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:129:5
|
LL | invoke_with_crate!{input ItemUse}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `invoke_with_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/token-site-span.rs:13:42
|
LL - ($s:ident $i:ident) => { with_crate!{$crate $s $i} };
LL + ($s:ident $i:ident) => { with_crate!{ItemUse as _ $s $i} };
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:130:5
|
LL | invoke_with_ident!{input ItemUse}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `invoke_with_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/token-site-span.rs:18:42
|
LL - ($s:ident $i:ident) => { with_crate!{krate $s $i} };
LL + ($s:ident $i:ident) => { with_crate!{ItemUse as _ $s $i} };
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:133:5
|
LL | invoke_with_crate!{mixed ItemUse}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `invoke_with_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/token-site-span.rs:13:30
|
LL - ($s:ident $i:ident) => { with_crate!{$crate $s $i} };
LL + ($s:ident $i:ident) => { ItemUse as _ };
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:134:5
|
LL | invoke_with_ident!{mixed ItemUse}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `invoke_with_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/token-site-span.rs:18:30
|
LL - ($s:ident $i:ident) => { with_crate!{krate $s $i} };
LL + ($s:ident $i:ident) => { ItemUse as _ };
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:135:5
|
LL | invoke_with_ident!{krate mixed ItemUse}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `invoke_with_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/token-site-span.rs:19:39
|
LL - ($m:ident $s:ident $i:ident) => { with_crate!{$m $s $i} };
LL + ($m:ident $s:ident $i:ident) => { ItemUse as _ };
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:136:5
|
LL | with_crate!{krate mixed ItemUse}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `with_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
|
LL - with_crate!{krate mixed ItemUse}
LL + ItemUse as _
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:138:5
|
LL | invoke_with_crate!{call ItemUse}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `invoke_with_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/token-site-span.rs:13:30
|
LL - ($s:ident $i:ident) => { with_crate!{$crate $s $i} };
LL + ($s:ident $i:ident) => { ItemUse as _ };
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:139:5
|
LL | invoke_with_ident!{call ItemUse}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `invoke_with_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/token-site-span.rs:18:30
|
LL - ($s:ident $i:ident) => { with_crate!{krate $s $i} };
LL + ($s:ident $i:ident) => { ItemUse as _ };
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:140:5
|
LL | invoke_with_ident!{hello call ItemUse}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `invoke_with_ident` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/token-site-span.rs:19:39
|
LL - ($m:ident $s:ident $i:ident) => { with_crate!{$m $s $i} };
LL + ($m:ident $s:ident $i:ident) => { ItemUse as _ };
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:148:5
|
LL | test!();
| ^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/token-site-span.rs:19:39
|
LL - ($m:ident $s:ident $i:ident) => { with_crate!{$m $s $i} };
LL + ($m:ident $s:ident $i:ident) => { ItemUse as _ };
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:144:9
|
LL | with_crate!{$crate mixed ItemUse}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ItemUse` in the root
...
LL | test!();
| ------- in this macro invocation
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
|
LL - with_crate!{$crate mixed ItemUse}
LL + ItemUse as _
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:148:5
|
LL | test!();
| ^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `with_crate` which comes from the expansion of the macro `test` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/token-site-span.rs:19:39
|
LL - ($m:ident $s:ident $i:ident) => { with_crate!{$m $s $i} };
LL + ($m:ident $s:ident $i:ident) => { ItemUse as _ };
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:153:1
|
LL | use_input_crate!{proc_macro_item}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `proc_macro_item` in the root
|
= note: this error originates in the macro `use_input_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:154:1
|
LL | use_input_krate!{proc_macro_item}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `proc_macro_item` in the root
|
= note: this error originates in the macro `use_input_krate` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:157:1
|
LL | use_call_crate!{proc_macro_item}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `proc_macro_item` in the root
|
= note: this error originates in the macro `use_call_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:158:1
|
LL | use_call_krate!{proc_macro_item}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `proc_macro_item` in the root
|
= note: this error originates in the macro `use_call_krate` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:163:1
|
LL | use_mixed_crate!{TokenItem}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `TokenItem` in the root
|
= note: this error originates in the macro `use_mixed_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/token-site-span.rs:24:5
|
LL - declare_macro!{$crate mixed use_mixed_crate}
LL + token_site_span::TokenItem as _
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:164:1
|
LL | use_mixed_krate!{TokenItem}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `TokenItem` in the root
|
= note: this error originates in the macro `use_mixed_krate` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct instead
--> $DIR/auxiliary/token-site-span.rs:29:1
|
LL - declare_macro!{krate mixed use_mixed_krate}
LL + token_site_span::TokenItem as _
|
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:169:1
|
LL | use_input_crate!{ItemUse}
| ^^^^^^^^^^^^^^^^^^^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `use_input_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:170:1
|
LL | use_input_krate!{ItemUse}
| ^^^^^^^^^^^^^^^^^^^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `use_input_krate` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:171:1
|
LL | use_mixed_crate!{ItemUse}
| ^^^^^^^^^^^^^^^^^^^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `use_mixed_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:172:1
|
LL | use_mixed_krate!{ItemUse}
| ^^^^^^^^^^^^^^^^^^^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `use_mixed_krate` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:173:1
|
LL | use_call_crate!{ItemUse}
| ^^^^^^^^^^^^^^^^^^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `use_call_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0432]: unresolved import `$crate`
--> $DIR/mixed-site-span.rs:174:1
|
LL | use_call_krate!{ItemUse}
| ^^^^^^^^^^^^^^^^^^^^^^^^ no `ItemUse` in the root
|
= note: this error originates in the macro `use_call_krate` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0426]: use of undeclared label `'label_use`
--> $DIR/mixed-site-span.rs:13:9
--> $DIR/mixed-site-span.rs:21:9
|
LL | proc_macro_rules!();
| ^^^^^^^^^^^^^^^^^^^ undeclared label `'label_use`
|
= note: this error originates in the macro `proc_macro_rules` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0412]: cannot find type `ItemUse` in crate `$crate`
--> $DIR/mixed-site-span.rs:21:9
|
LL | proc_macro_rules!();
| ^^^^^^^^^^^^^^^^^^^ not found in `$crate`
|
= note: this error originates in the macro `proc_macro_rules` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct
|
LL + use ItemUse;
|
error[E0425]: cannot find value `local_use` in this scope
--> $DIR/mixed-site-span.rs:13:9
--> $DIR/mixed-site-span.rs:21:9
|
LL | proc_macro_rules!();
| ^^^^^^^^^^^^^^^^^^^ help: a local variable with a similar name exists: `local_def`
@ -15,20 +597,12 @@ LL | proc_macro_rules!();
= note: this error originates in the macro `proc_macro_rules` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0425]: cannot find value `local_def` in this scope
--> $DIR/mixed-site-span.rs:17:9
--> $DIR/mixed-site-span.rs:26:9
|
LL | local_def;
| ^^^^^^^^^ help: a local variable with a similar name exists: `local_use`
error[E0412]: cannot find type `ItemUse` in crate `$crate`
--> $DIR/mixed-site-span.rs:24:1
|
LL | pass_dollar_crate!();
| ^^^^^^^^^^^^^^^^^^^^ not found in `$crate`
|
= note: this error originates in the macro `proc_macro_rules` which comes from the expansion of the macro `pass_dollar_crate` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 52 previous errors
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0412, E0425, E0426.
Some errors have detailed explanations: E0412, E0425, E0426, E0432.
For more information about an error, try `rustc --explain E0412`.