Introduce `proc_macro_back_compat` lint, and emit for `time-macros-impl`
Now that future-incompat-report support has landed in nightly Cargo, we can start to make progress towards removing the various proc-macro back-compat hacks that have accumulated in the compiler. This PR introduces a new lint `proc_macro_back_compat`, which results in a future-incompat-report entry being generated. All proc-macro back-compat warnings will be grouped under this lint. Note that this lint will never actually become a hard error - instead, we will remove the special cases for various macros, which will cause older versions of those crates to emit some other error. I've added code to fire this lint for the `time-macros-impl` case. This is the easiest case out of all of our current back-compat hacks - the crate was renamed to `time-macros`, so seeing a filename with `time-macros-impl` guarantees that an older version of the parent `time` crate is in use. When Cargo's future-incompat-report feature gets stabilized, affected users will start to see future-incompat warnings when they build their crates.
This commit is contained in:
Aaron Hill
parent
d6eaea1c88
commit
f190bc4f47
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@ -11,11 +11,9 @@ use crate::tokenstream::TokenTree;
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use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
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use rustc_data_structures::sync::Lrc;
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use rustc_macros::HashStable_Generic;
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use rustc_span::hygiene::ExpnKind;
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use rustc_span::source_map::SourceMap;
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use rustc_span::symbol::{kw, sym};
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use rustc_span::symbol::{Ident, Symbol};
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use rustc_span::{self, edition::Edition, FileName, RealFileName, Span, DUMMY_SP};
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use rustc_span::{self, edition::Edition, Span, DUMMY_SP};
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use std::borrow::Cow;
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use std::{fmt, mem};
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@ -813,52 +811,6 @@ impl Nonterminal {
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}
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false
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}
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// See issue #74616 for details
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pub fn ident_name_compatibility_hack(
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&self,
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orig_span: Span,
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source_map: &SourceMap,
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) -> Option<(Ident, bool)> {
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if let NtIdent(ident, is_raw) = self {
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if let ExpnKind::Macro(_, macro_name) = orig_span.ctxt().outer_expn_data().kind {
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let filename = source_map.span_to_filename(orig_span);
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if let FileName::Real(RealFileName::Named(path)) = filename {
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let matches_prefix = |prefix, filename| {
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// Check for a path that ends with 'prefix*/src/<filename>'
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let mut iter = path.components().rev();
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iter.next().and_then(|p| p.as_os_str().to_str()) == Some(filename)
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&& iter.next().and_then(|p| p.as_os_str().to_str()) == Some("src")
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&& iter
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.next()
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.and_then(|p| p.as_os_str().to_str())
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.map_or(false, |p| p.starts_with(prefix))
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};
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if (macro_name == sym::impl_macros
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&& matches_prefix("time-macros-impl", "lib.rs"))
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|| (macro_name == sym::arrays && matches_prefix("js-sys", "lib.rs"))
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{
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let snippet = source_map.span_to_snippet(orig_span);
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if snippet.as_deref() == Ok("$name") {
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return Some((*ident, *is_raw));
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}
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}
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if macro_name == sym::tuple_from_req
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&& (matches_prefix("actix-web", "extract.rs")
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|| matches_prefix("actori-web", "extract.rs"))
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{
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let snippet = source_map.span_to_snippet(orig_span);
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if snippet.as_deref() == Ok("$T") {
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return Some((*ident, *is_raw));
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}
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}
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}
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}
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}
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None
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}
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}
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impl PartialEq for Nonterminal {
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@ -2,16 +2,21 @@ use crate::base::ExtCtxt;
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use rustc_ast as ast;
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use rustc_ast::token;
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use rustc_ast::token::Nonterminal;
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use rustc_ast::token::NtIdent;
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use rustc_ast::tokenstream::{self, CanSynthesizeMissingTokens};
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use rustc_ast::tokenstream::{DelimSpan, Spacing::*, TokenStream, TreeAndSpacing};
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use rustc_ast_pretty::pprust;
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use rustc_data_structures::sync::Lrc;
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use rustc_errors::Diagnostic;
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use rustc_lint_defs::builtin::PROC_MACRO_BACK_COMPAT;
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use rustc_lint_defs::BuiltinLintDiagnostics;
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use rustc_parse::lexer::nfc_normalize;
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use rustc_parse::{nt_to_tokenstream, parse_stream_from_source_str};
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use rustc_session::parse::ParseSess;
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use rustc_span::hygiene::ExpnKind;
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use rustc_span::symbol::{self, kw, sym, Symbol};
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use rustc_span::{BytePos, FileName, MultiSpan, Pos, SourceFile, Span};
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use rustc_span::{BytePos, FileName, MultiSpan, Pos, RealFileName, SourceFile, Span};
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use pm::bridge::{server, TokenTree};
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use pm::{Delimiter, Level, LineColumn, Spacing};
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@ -174,9 +179,7 @@ impl FromInternal<(TreeAndSpacing, &'_ ParseSess, &'_ mut Vec<Self>)>
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}
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Interpolated(nt) => {
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if let Some((name, is_raw)) =
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nt.ident_name_compatibility_hack(span, sess.source_map())
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{
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if let Some((name, is_raw)) = ident_name_compatibility_hack(&nt, span, sess) {
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TokenTree::Ident(Ident::new(sess, name.name, is_raw, name.span))
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} else {
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let stream = nt_to_tokenstream(&nt, sess, CanSynthesizeMissingTokens::No);
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@ -711,3 +714,62 @@ impl server::Span for Rustc<'_> {
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self.sess.source_map().span_to_snippet(span).ok()
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}
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}
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// See issue #74616 for details
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fn ident_name_compatibility_hack(
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nt: &Nonterminal,
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orig_span: Span,
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sess: &ParseSess,
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) -> Option<(rustc_span::symbol::Ident, bool)> {
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if let NtIdent(ident, is_raw) = nt {
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if let ExpnKind::Macro(_, macro_name) = orig_span.ctxt().outer_expn_data().kind {
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let source_map = sess.source_map();
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let filename = source_map.span_to_filename(orig_span);
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if let FileName::Real(RealFileName::Named(path)) = filename {
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let matches_prefix = |prefix, filename| {
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// Check for a path that ends with 'prefix*/src/<filename>'
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let mut iter = path.components().rev();
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iter.next().and_then(|p| p.as_os_str().to_str()) == Some(filename)
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&& iter.next().and_then(|p| p.as_os_str().to_str()) == Some("src")
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&& iter
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.next()
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.and_then(|p| p.as_os_str().to_str())
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.map_or(false, |p| p.starts_with(prefix))
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};
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let time_macros_impl =
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macro_name == sym::impl_macros && matches_prefix("time-macros-impl", "lib.rs");
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if time_macros_impl
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|| (macro_name == sym::arrays && matches_prefix("js-sys", "lib.rs"))
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{
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let snippet = source_map.span_to_snippet(orig_span);
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if snippet.as_deref() == Ok("$name") {
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if time_macros_impl {
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sess.buffer_lint_with_diagnostic(
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&PROC_MACRO_BACK_COMPAT,
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orig_span,
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ast::CRATE_NODE_ID,
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"using an old version of `time-macros-impl`",
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BuiltinLintDiagnostics::ProcMacroBackCompat(
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"the `time-macros-impl` crate will stop compiling in futures version of Rust. \
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Please update to the latest version of the `time` crate to avoid breakage".to_string())
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);
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}
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return Some((*ident, *is_raw));
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}
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}
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if macro_name == sym::tuple_from_req
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&& (matches_prefix("actix-web", "extract.rs")
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|| matches_prefix("actori-web", "extract.rs"))
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{
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let snippet = source_map.span_to_snippet(orig_span);
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if snippet.as_deref() == Ok("$T") {
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return Some((*ident, *is_raw));
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}
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}
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}
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}
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}
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None
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}
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@ -670,6 +670,9 @@ pub trait LintContext: Sized {
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json
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);
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}
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BuiltinLintDiagnostics::ProcMacroBackCompat(note) => {
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db.note(¬e);
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}
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}
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// Rewrap `db`, and pass control to the user.
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decorate(LintDiagnosticBuilder::new(db));
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@ -6,7 +6,7 @@
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//! compiler code, rather than using their own custom pass. Those
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//! lints are all available in `rustc_lint::builtin`.
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use crate::{declare_lint, declare_lint_pass};
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use crate::{declare_lint, declare_lint_pass, FutureBreakage};
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use rustc_span::edition::Edition;
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declare_lint! {
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@ -2955,6 +2955,7 @@ declare_lint_pass! {
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SEMICOLON_IN_EXPRESSIONS_FROM_MACROS,
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DISJOINT_CAPTURE_DROP_REORDER,
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LEGACY_DERIVE_HELPERS,
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PROC_MACRO_BACK_COMPAT,
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]
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}
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@ -3082,3 +3083,53 @@ declare_lint! {
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edition: None,
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};
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}
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declare_lint! {
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/// The `proc_macro_back_compat` lint detects uses of old versions of certain
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/// proc-macro crates, which have hardcoded workarounds in the compiler.
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///
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/// ### Example
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///
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/// ```rust,ignore (needs-dependency)
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///
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/// use time_macros_impl::impl_macros;
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/// struct Foo;
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/// impl_macros!(Foo);
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/// ```
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///
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/// This will produce:
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///
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/// ```text
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/// warning: using an old version of `time-macros-impl`
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/// ::: $DIR/group-compat-hack.rs:27:5
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/// |
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/// LL | impl_macros!(Foo);
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/// | ------------------ in this macro invocation
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/// |
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/// = note: `#[warn(proc_macro_back_compat)]` on by default
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/// = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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/// = note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
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/// = note: the `time-macros-impl` crate will stop compiling in futures version of Rust. Please update to the latest version of the `time` crate to avoid breakage
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/// = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
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/// ```
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///
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/// ### Explanation
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///
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/// Eventually, the backwards-compatibility hacks present in the compiler will be removed,
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/// causing older versions of certain crates to stop compiling.
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/// This is a [future-incompatible] lint to ease the transition to an error.
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/// See [issue #83125] for more details.
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///
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/// [issue #83125]: https://github.com/rust-lang/rust/issues/83125
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/// [future-incompatible]: ../index.md#future-incompatible-lints
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pub PROC_MACRO_BACK_COMPAT,
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Warn,
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"detects usage of old versions of certain proc-macro crates",
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@future_incompatible = FutureIncompatibleInfo {
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reference: "issue #83125 <https://github.com/rust-lang/rust/issues/83125>",
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edition: None,
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future_breakage: Some(FutureBreakage {
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date: None
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})
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};
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}
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@ -266,6 +266,7 @@ pub enum BuiltinLintDiagnostics {
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PatternsInFnsWithoutBody(Span, Ident),
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LegacyDeriveHelpers(Span),
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ExternDepSpec(String, ExternDepSpec),
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ProcMacroBackCompat(String),
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}
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/// Lints that are buffered up early on in the `Session` before the
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@ -24,7 +24,8 @@ mod no_version {
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}
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struct Foo;
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impl_macros!(Foo);
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impl_macros!(Foo); //~ WARN using an old version
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//~| WARN this was previously
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arrays!(Foo);
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other!(Foo);
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}
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@ -40,7 +41,8 @@ mod with_version {
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}
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struct Foo;
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impl_macros!(Foo);
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impl_macros!(Foo); //~ WARN using an old version
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//~| WARN this was previously
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arrays!(Foo);
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other!(Foo);
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}
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|
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@ -0,0 +1,70 @@
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warning: using an old version of `time-macros-impl`
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--> $DIR/time-macros-impl/src/lib.rs:5:32
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|
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LL | #[my_macro] struct One($name);
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| ^^^^^
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|
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::: $DIR/group-compat-hack.rs:27:5
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|
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LL | impl_macros!(Foo);
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| ------------------ in this macro invocation
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|
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= note: `#[warn(proc_macro_back_compat)]` on by default
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
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= note: the `time-macros-impl` crate will stop compiling in futures version of Rust. Please update to the latest version of the `time` crate to avoid breakage
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= note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
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warning: using an old version of `time-macros-impl`
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--> $DIR/time-macros-impl-0.1.0/src/lib.rs:5:32
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|
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LL | #[my_macro] struct One($name);
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| ^^^^^
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|
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::: $DIR/group-compat-hack.rs:44:5
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|
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LL | impl_macros!(Foo);
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| ------------------ in this macro invocation
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|
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
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= note: the `time-macros-impl` crate will stop compiling in futures version of Rust. Please update to the latest version of the `time` crate to avoid breakage
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= note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
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warning: 2 warnings emitted
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Future incompatibility report: Future breakage date: None, diagnostic:
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warning: using an old version of `time-macros-impl`
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--> $DIR/time-macros-impl/src/lib.rs:5:32
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|
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LL | #[my_macro] struct One($name);
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| ^^^^^
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|
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::: $DIR/group-compat-hack.rs:27:5
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|
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LL | impl_macros!(Foo);
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| ------------------ in this macro invocation
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|
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= note: `#[warn(proc_macro_back_compat)]` on by default
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
|
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= note: the `time-macros-impl` crate will stop compiling in futures version of Rust. Please update to the latest version of the `time` crate to avoid breakage
|
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= note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
|
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|
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Future breakage date: None, diagnostic:
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warning: using an old version of `time-macros-impl`
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--> $DIR/time-macros-impl-0.1.0/src/lib.rs:5:32
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|
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LL | #[my_macro] struct One($name);
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| ^^^^^
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|
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::: $DIR/group-compat-hack.rs:44:5
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|
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LL | impl_macros!(Foo);
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| ------------------ in this macro invocation
|
||||
|
|
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
|
||||
= note: for more information, see issue #83125 <https://github.com/rust-lang/rust/issues/83125>
|
||||
= note: the `time-macros-impl` crate will stop compiling in futures version of Rust. Please update to the latest version of the `time` crate to avoid breakage
|
||||
= note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
|
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|
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|
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@ -1,10 +1,10 @@
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Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/time-macros-impl/src/lib.rs:5:21: 5:27 (#6) }, Ident { ident: "One", span: $DIR/time-macros-impl/src/lib.rs:5:28: 5:31 (#6) }, Group { delimiter: Parenthesis, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:27:18: 27:21 (#0) }], span: $DIR/time-macros-impl/src/lib.rs:5:31: 5:38 (#6) }, Punct { ch: ';', spacing: Alone, span: $DIR/time-macros-impl/src/lib.rs:5:38: 5:39 (#6) }]
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Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/js-sys/src/lib.rs:5:21: 5:27 (#10) }, Ident { ident: "Two", span: $DIR/js-sys/src/lib.rs:5:28: 5:31 (#10) }, Group { delimiter: Parenthesis, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:28:13: 28:16 (#0) }], span: $DIR/js-sys/src/lib.rs:5:31: 5:38 (#10) }, Punct { ch: ';', spacing: Alone, span: $DIR/js-sys/src/lib.rs:5:38: 5:39 (#10) }]
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Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/group-compat-hack.rs:22:25: 22:31 (#14) }, Ident { ident: "Three", span: $DIR/group-compat-hack.rs:22:32: 22:37 (#14) }, Group { delimiter: Parenthesis, stream: TokenStream [Group { delimiter: None, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:29:12: 29:15 (#0) }], span: $DIR/group-compat-hack.rs:22:38: 22:43 (#14) }], span: $DIR/group-compat-hack.rs:22:37: 22:44 (#14) }, Punct { ch: ';', spacing: Alone, span: $DIR/group-compat-hack.rs:22:44: 22:45 (#14) }]
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Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/time-macros-impl-0.1.0/src/lib.rs:5:21: 5:27 (#20) }, Ident { ident: "One", span: $DIR/time-macros-impl-0.1.0/src/lib.rs:5:28: 5:31 (#20) }, Group { delimiter: Parenthesis, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:43:18: 43:21 (#0) }], span: $DIR/time-macros-impl-0.1.0/src/lib.rs:5:31: 5:38 (#20) }, Punct { ch: ';', spacing: Alone, span: $DIR/time-macros-impl-0.1.0/src/lib.rs:5:38: 5:39 (#20) }]
|
||||
Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/js-sys-0.3.17/src/lib.rs:5:21: 5:27 (#24) }, Ident { ident: "Two", span: $DIR/js-sys-0.3.17/src/lib.rs:5:28: 5:31 (#24) }, Group { delimiter: Parenthesis, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:44:13: 44:16 (#0) }], span: $DIR/js-sys-0.3.17/src/lib.rs:5:31: 5:38 (#24) }, Punct { ch: ';', spacing: Alone, span: $DIR/js-sys-0.3.17/src/lib.rs:5:38: 5:39 (#24) }]
|
||||
Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/group-compat-hack.rs:38:25: 38:31 (#28) }, Ident { ident: "Three", span: $DIR/group-compat-hack.rs:38:32: 38:37 (#28) }, Group { delimiter: Parenthesis, stream: TokenStream [Group { delimiter: None, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:45:12: 45:15 (#0) }], span: $DIR/group-compat-hack.rs:38:38: 38:43 (#28) }], span: $DIR/group-compat-hack.rs:38:37: 38:44 (#28) }, Punct { ch: ';', spacing: Alone, span: $DIR/group-compat-hack.rs:38:44: 38:45 (#28) }]
|
||||
Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/actix-web/src/extract.rs:5:21: 5:27 (#33) }, Ident { ident: "Three", span: $DIR/actix-web/src/extract.rs:5:28: 5:33 (#33) }, Group { delimiter: Parenthesis, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:52:21: 52:24 (#0) }], span: $DIR/actix-web/src/extract.rs:5:33: 5:37 (#33) }, Punct { ch: ';', spacing: Alone, span: $DIR/actix-web/src/extract.rs:5:37: 5:38 (#33) }]
|
||||
Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/actix-web-2.0.0/src/extract.rs:5:21: 5:27 (#38) }, Ident { ident: "Three", span: $DIR/actix-web-2.0.0/src/extract.rs:5:28: 5:33 (#38) }, Group { delimiter: Parenthesis, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:59:21: 59:24 (#0) }], span: $DIR/actix-web-2.0.0/src/extract.rs:5:33: 5:37 (#38) }, Punct { ch: ';', spacing: Alone, span: $DIR/actix-web-2.0.0/src/extract.rs:5:37: 5:38 (#38) }]
|
||||
Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/actori-web/src/extract.rs:5:21: 5:27 (#43) }, Ident { ident: "Four", span: $DIR/actori-web/src/extract.rs:5:28: 5:32 (#43) }, Group { delimiter: Parenthesis, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:66:21: 66:24 (#0) }], span: $DIR/actori-web/src/extract.rs:5:32: 5:36 (#43) }, Punct { ch: ';', spacing: Alone, span: $DIR/actori-web/src/extract.rs:5:36: 5:37 (#43) }]
|
||||
Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/actori-web-2.0.0/src/extract.rs:5:21: 5:27 (#48) }, Ident { ident: "Four", span: $DIR/actori-web-2.0.0/src/extract.rs:5:28: 5:32 (#48) }, Group { delimiter: Parenthesis, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:73:21: 73:24 (#0) }], span: $DIR/actori-web-2.0.0/src/extract.rs:5:32: 5:36 (#48) }, Punct { ch: ';', spacing: Alone, span: $DIR/actori-web-2.0.0/src/extract.rs:5:36: 5:37 (#48) }]
|
||||
Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/js-sys/src/lib.rs:5:21: 5:27 (#10) }, Ident { ident: "Two", span: $DIR/js-sys/src/lib.rs:5:28: 5:31 (#10) }, Group { delimiter: Parenthesis, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:29:13: 29:16 (#0) }], span: $DIR/js-sys/src/lib.rs:5:31: 5:38 (#10) }, Punct { ch: ';', spacing: Alone, span: $DIR/js-sys/src/lib.rs:5:38: 5:39 (#10) }]
|
||||
Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/group-compat-hack.rs:22:25: 22:31 (#14) }, Ident { ident: "Three", span: $DIR/group-compat-hack.rs:22:32: 22:37 (#14) }, Group { delimiter: Parenthesis, stream: TokenStream [Group { delimiter: None, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:30:12: 30:15 (#0) }], span: $DIR/group-compat-hack.rs:22:38: 22:43 (#14) }], span: $DIR/group-compat-hack.rs:22:37: 22:44 (#14) }, Punct { ch: ';', spacing: Alone, span: $DIR/group-compat-hack.rs:22:44: 22:45 (#14) }]
|
||||
Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/time-macros-impl-0.1.0/src/lib.rs:5:21: 5:27 (#20) }, Ident { ident: "One", span: $DIR/time-macros-impl-0.1.0/src/lib.rs:5:28: 5:31 (#20) }, Group { delimiter: Parenthesis, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:44:18: 44:21 (#0) }], span: $DIR/time-macros-impl-0.1.0/src/lib.rs:5:31: 5:38 (#20) }, Punct { ch: ';', spacing: Alone, span: $DIR/time-macros-impl-0.1.0/src/lib.rs:5:38: 5:39 (#20) }]
|
||||
Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/js-sys-0.3.17/src/lib.rs:5:21: 5:27 (#24) }, Ident { ident: "Two", span: $DIR/js-sys-0.3.17/src/lib.rs:5:28: 5:31 (#24) }, Group { delimiter: Parenthesis, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:46:13: 46:16 (#0) }], span: $DIR/js-sys-0.3.17/src/lib.rs:5:31: 5:38 (#24) }, Punct { ch: ';', spacing: Alone, span: $DIR/js-sys-0.3.17/src/lib.rs:5:38: 5:39 (#24) }]
|
||||
Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/group-compat-hack.rs:39:25: 39:31 (#28) }, Ident { ident: "Three", span: $DIR/group-compat-hack.rs:39:32: 39:37 (#28) }, Group { delimiter: Parenthesis, stream: TokenStream [Group { delimiter: None, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:47:12: 47:15 (#0) }], span: $DIR/group-compat-hack.rs:39:38: 39:43 (#28) }], span: $DIR/group-compat-hack.rs:39:37: 39:44 (#28) }, Punct { ch: ';', spacing: Alone, span: $DIR/group-compat-hack.rs:39:44: 39:45 (#28) }]
|
||||
Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/actix-web/src/extract.rs:5:21: 5:27 (#33) }, Ident { ident: "Three", span: $DIR/actix-web/src/extract.rs:5:28: 5:33 (#33) }, Group { delimiter: Parenthesis, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:54:21: 54:24 (#0) }], span: $DIR/actix-web/src/extract.rs:5:33: 5:37 (#33) }, Punct { ch: ';', spacing: Alone, span: $DIR/actix-web/src/extract.rs:5:37: 5:38 (#33) }]
|
||||
Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/actix-web-2.0.0/src/extract.rs:5:21: 5:27 (#38) }, Ident { ident: "Three", span: $DIR/actix-web-2.0.0/src/extract.rs:5:28: 5:33 (#38) }, Group { delimiter: Parenthesis, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:61:21: 61:24 (#0) }], span: $DIR/actix-web-2.0.0/src/extract.rs:5:33: 5:37 (#38) }, Punct { ch: ';', spacing: Alone, span: $DIR/actix-web-2.0.0/src/extract.rs:5:37: 5:38 (#38) }]
|
||||
Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/actori-web/src/extract.rs:5:21: 5:27 (#43) }, Ident { ident: "Four", span: $DIR/actori-web/src/extract.rs:5:28: 5:32 (#43) }, Group { delimiter: Parenthesis, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:68:21: 68:24 (#0) }], span: $DIR/actori-web/src/extract.rs:5:32: 5:36 (#43) }, Punct { ch: ';', spacing: Alone, span: $DIR/actori-web/src/extract.rs:5:36: 5:37 (#43) }]
|
||||
Called proc_macro_hack with TokenStream [Ident { ident: "struct", span: $DIR/actori-web-2.0.0/src/extract.rs:5:21: 5:27 (#48) }, Ident { ident: "Four", span: $DIR/actori-web-2.0.0/src/extract.rs:5:28: 5:32 (#48) }, Group { delimiter: Parenthesis, stream: TokenStream [Ident { ident: "Foo", span: $DIR/group-compat-hack.rs:75:21: 75:24 (#0) }], span: $DIR/actori-web-2.0.0/src/extract.rs:5:32: 5:36 (#48) }, Punct { ch: ';', spacing: Alone, span: $DIR/actori-web-2.0.0/src/extract.rs:5:36: 5:37 (#48) }]
|
||||
|
|
|
|||
Loading…
Reference in New Issue