diff --git a/library/proc_macro/src/bridge/symbol.rs b/library/proc_macro/src/bridge/symbol.rs index 6a1cecd69fb5f..57ca7db9fcdd7 100644 --- a/library/proc_macro/src/bridge/symbol.rs +++ b/library/proc_macro/src/bridge/symbol.rs @@ -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, } } diff --git a/tests/ui/proc-macro/auxiliary/mixed-site-span.rs b/tests/ui/proc-macro/auxiliary/mixed-site-span.rs index d837c88c9556a..18df712debc77 100644 --- a/tests/ui/proc-macro/auxiliary/mixed-site-span.rs +++ b/tests/ui/proc-macro/auxiliary/mixed-site-span.rs @@ -3,33 +3,89 @@ extern crate proc_macro; use proc_macro::*; + +#[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 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; - ) +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 _; + }; + } + ) } diff --git a/tests/ui/proc-macro/auxiliary/token-site-span.rs b/tests/ui/proc-macro/auxiliary/token-site-span.rs new file mode 100644 index 0000000000000..39ad8368a5007 --- /dev/null +++ b/tests/ui/proc-macro/auxiliary/token-site-span.rs @@ -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} diff --git a/tests/ui/proc-macro/mixed-site-span.rs b/tests/ui/proc-macro/mixed-site-span.rs index 2b5d97570438a..442b440c1211a 100644 --- a/tests/ui/proc-macro/mixed-site-span.rs +++ b/tests/ui/proc-macro/mixed-site-span.rs @@ -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 `$crate` diff --git a/tests/ui/proc-macro/mixed-site-span.stderr b/tests/ui/proc-macro/mixed-site-span.stderr index 1378608012464..d62031a853c05 100644 --- a/tests/ui/proc-macro/mixed-site-span.stderr +++ b/tests/ui/proc-macro/mixed-site-span.stderr @@ -1,13 +1,595 @@ +error[E0432]: unresolved import `$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 4 previous errors +error: aborting due to 52 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`.