diff options
Diffstat (limited to 'compiler/rustc_parse/src')
| -rw-r--r-- | compiler/rustc_parse/src/parser/attr.rs | 2 | ||||
| -rw-r--r-- | compiler/rustc_parse/src/parser/diagnostics.rs | 23 | ||||
| -rw-r--r-- | compiler/rustc_parse/src/parser/expr.rs | 2 | ||||
| -rw-r--r-- | compiler/rustc_parse/src/parser/item.rs | 2 | ||||
| -rw-r--r-- | compiler/rustc_parse/src/parser/mod.rs | 28 | ||||
| -rw-r--r-- | compiler/rustc_parse/src/parser/nonterminal.rs | 18 | ||||
| -rw-r--r-- | compiler/rustc_parse/src/parser/pat.rs | 2 | ||||
| -rw-r--r-- | compiler/rustc_parse/src/parser/path.rs | 2 |
8 files changed, 29 insertions, 50 deletions
diff --git a/compiler/rustc_parse/src/parser/attr.rs b/compiler/rustc_parse/src/parser/attr.rs index d5d8060d909..a57eb70c705 100644 --- a/compiler/rustc_parse/src/parser/attr.rs +++ b/compiler/rustc_parse/src/parser/attr.rs @@ -363,7 +363,7 @@ impl<'a> Parser<'a> { // We can't use `maybe_whole` here because it would bump in the `None` // case, which we don't want. if let token::Interpolated(nt) = &self.token.kind - && let token::NtMeta(attr_item) = &nt.0 + && let token::NtMeta(attr_item) = &**nt { match attr_item.meta(attr_item.path.span) { Some(meta) => { diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs index 50698dbf9c1..63762f64be9 100644 --- a/compiler/rustc_parse/src/parser/diagnostics.rs +++ b/compiler/rustc_parse/src/parser/diagnostics.rs @@ -2372,9 +2372,9 @@ impl<'a> Parser<'a> { // in a subsequent macro invocation (#71039). let mut tok = self.token.clone(); let mut labels = vec![]; - while let TokenKind::Interpolated(node) = &tok.kind { - let tokens = node.0.tokens(); - labels.push(node.clone()); + while let TokenKind::Interpolated(nt) = &tok.kind { + let tokens = nt.tokens(); + labels.push(nt.clone()); if let Some(tokens) = tokens && let tokens = tokens.to_attr_token_stream() && let tokens = tokens.0.deref() @@ -2387,27 +2387,20 @@ impl<'a> Parser<'a> { } let mut iter = labels.into_iter().peekable(); let mut show_link = false; - while let Some(node) = iter.next() { - let descr = node.0.descr(); + while let Some(nt) = iter.next() { + let descr = nt.descr(); if let Some(next) = iter.peek() { - let next_descr = next.0.descr(); + let next_descr = next.descr(); if next_descr != descr { - err.span_label(next.1, format!("this macro fragment matcher is {next_descr}")); - err.span_label(node.1, format!("this macro fragment matcher is {descr}")); + err.span_label(next.use_span(), format!("this is expected to be {next_descr}")); err.span_label( - next.0.use_span(), - format!("this is expected to be {next_descr}"), - ); - err.span_label( - node.0.use_span(), + nt.use_span(), format!( "this is interpreted as {}, but it is expected to be {}", next_descr, descr, ), ); show_link = true; - } else { - err.span_label(node.1, ""); } } } diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index 441aa5b0806..8e3cd0f8ea9 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -45,7 +45,7 @@ use thin_vec::{thin_vec, ThinVec}; macro_rules! maybe_whole_expr { ($p:expr) => { if let token::Interpolated(nt) = &$p.token.kind { - match &nt.0 { + match &**nt { token::NtExpr(e) | token::NtLiteral(e) => { let e = e.clone(); $p.bump(); diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index df6996dbc45..29957bd2f71 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -2841,7 +2841,7 @@ impl<'a> Parser<'a> { fn is_named_param(&self) -> bool { let offset = match &self.token.kind { - token::Interpolated(nt) => match &nt.0 { + token::Interpolated(nt) => match &**nt { token::NtPat(..) => return self.look_ahead(1, |t| t == &token::Colon), _ => 0, }, diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index bfb6c4a3885..cc40c8a7126 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -11,7 +11,6 @@ mod stmt; mod ty; use crate::lexer::UnmatchedDelim; -use ast::token::IdentIsRaw; pub use attr_wrapper::AttrWrapper; pub use diagnostics::AttemptLocalParseRecovery; pub(crate) use expr::ForbiddenLetReason; @@ -21,7 +20,7 @@ pub use path::PathStyle; use core::fmt; use rustc_ast::ptr::P; -use rustc_ast::token::{self, Delimiter, Token, TokenKind}; +use rustc_ast::token::{self, Delimiter, IdentIsRaw, Nonterminal, Token, TokenKind}; use rustc_ast::tokenstream::{AttributesData, DelimSpacing, DelimSpan, Spacing}; use rustc_ast::tokenstream::{TokenStream, TokenTree, TokenTreeCursor}; use rustc_ast::util::case::Case; @@ -32,6 +31,7 @@ use rustc_ast::{ }; use rustc_ast_pretty::pprust; use rustc_data_structures::fx::FxHashMap; +use rustc_data_structures::sync::Lrc; use rustc_errors::{Applicability, Diag, FatalError, MultiSpan, PResult}; use rustc_session::parse::ParseSess; use rustc_span::symbol::{kw, sym, Ident, Symbol}; @@ -107,7 +107,7 @@ pub enum TrailingToken { macro_rules! maybe_whole { ($p:expr, $constructor:ident, |$x:ident| $e:expr) => { if let token::Interpolated(nt) = &$p.token.kind - && let token::$constructor(x) = &nt.0 + && let token::$constructor(x) = &**nt { #[allow(unused_mut)] let mut $x = x.clone(); @@ -125,7 +125,7 @@ macro_rules! maybe_recover_from_interpolated_ty_qpath { && $self.may_recover() && $self.look_ahead(1, |t| t == &token::PathSep) && let token::Interpolated(nt) = &$self.token.kind - && let token::NtTy(ty) = &nt.0 + && let token::NtTy(ty) = &**nt { let ty = ty.clone(); $self.bump(); @@ -407,7 +407,7 @@ pub(super) fn token_descr(token: &Token) -> String { (Some(TokenDescription::Keyword), _) => Some("keyword"), (Some(TokenDescription::ReservedKeyword), _) => Some("reserved keyword"), (Some(TokenDescription::DocComment), _) => Some("doc comment"), - (None, TokenKind::Interpolated(node)) => Some(node.0.descr()), + (None, TokenKind::Interpolated(node)) => Some(node.descr()), (None, _) => None, }; @@ -708,7 +708,7 @@ impl<'a> Parser<'a> { fn check_inline_const(&self, dist: usize) -> bool { self.is_keyword_ahead(dist, &[kw::Const]) && self.look_ahead(dist + 1, |t| match &t.kind { - token::Interpolated(nt) => matches!(&nt.0, token::NtBlock(..)), + token::Interpolated(nt) => matches!(&**nt, token::NtBlock(..)), token::OpenDelim(Delimiter::Brace) => true, _ => false, }) @@ -1631,19 +1631,7 @@ pub enum FlatToken { // Metavar captures of various kinds. #[derive(Clone, Debug)] -pub enum ParseNtResult<NtType> { +pub enum ParseNtResult { Tt(TokenTree), - Nt(NtType), -} - -impl<T> ParseNtResult<T> { - pub fn map_nt<F, U>(self, mut f: F) -> ParseNtResult<U> - where - F: FnMut(T) -> U, - { - match self { - ParseNtResult::Tt(tt) => ParseNtResult::Tt(tt), - ParseNtResult::Nt(nt) => ParseNtResult::Nt(f(nt)), - } - } + Nt(Lrc<Nonterminal>), } diff --git a/compiler/rustc_parse/src/parser/nonterminal.rs b/compiler/rustc_parse/src/parser/nonterminal.rs index 73b17353ac9..3a560382d32 100644 --- a/compiler/rustc_parse/src/parser/nonterminal.rs +++ b/compiler/rustc_parse/src/parser/nonterminal.rs @@ -1,7 +1,8 @@ use rustc_ast::ptr::P; -use rustc_ast::token::{self, Delimiter, Nonterminal, Nonterminal::*, NonterminalKind, Token}; +use rustc_ast::token::{self, Delimiter, Nonterminal::*, NonterminalKind, Token}; use rustc_ast::HasTokens; use rustc_ast_pretty::pprust; +use rustc_data_structures::sync::Lrc; use rustc_errors::PResult; use rustc_span::symbol::{kw, Ident}; @@ -54,7 +55,7 @@ impl<'a> Parser<'a> { }, NonterminalKind::Block => match &token.kind { token::OpenDelim(Delimiter::Brace) => true, - token::Interpolated(nt) => match &nt.0 { + token::Interpolated(nt) => match &**nt { NtBlock(_) | NtLifetime(_) | NtStmt(_) | NtExpr(_) | NtLiteral(_) => true, NtItem(_) | NtPat(_) | NtTy(_) | NtIdent(..) | NtMeta(_) | NtPath(_) | NtVis(_) => false, @@ -63,7 +64,7 @@ impl<'a> Parser<'a> { }, NonterminalKind::Path | NonterminalKind::Meta => match &token.kind { token::PathSep | token::Ident(..) => true, - token::Interpolated(nt) => may_be_ident(&nt.0), + token::Interpolated(nt) => may_be_ident(nt), _ => false, }, NonterminalKind::PatParam { .. } | NonterminalKind::PatWithOr => match &token.kind { @@ -81,13 +82,13 @@ impl<'a> Parser<'a> { token::BinOp(token::Shl) => true, // path (double UFCS) // leading vert `|` or-pattern token::BinOp(token::Or) => matches!(kind, NonterminalKind::PatWithOr), - token::Interpolated(nt) => may_be_ident(&nt.0), + token::Interpolated(nt) => may_be_ident(nt), _ => false, }, NonterminalKind::Lifetime => match &token.kind { token::Lifetime(_) => true, token::Interpolated(nt) => { - matches!(&nt.0, NtLifetime(_)) + matches!(&**nt, NtLifetime(_)) } _ => false, }, @@ -100,10 +101,7 @@ impl<'a> Parser<'a> { /// Parse a non-terminal (e.g. MBE `:pat` or `:ident`). Inlined because there is only one call /// site. #[inline] - pub fn parse_nonterminal( - &mut self, - kind: NonterminalKind, - ) -> PResult<'a, ParseNtResult<Nonterminal>> { + pub fn parse_nonterminal(&mut self, kind: NonterminalKind) -> PResult<'a, ParseNtResult> { // A `macro_rules!` invocation may pass a captured item/expr to a proc-macro, // which requires having captured tokens available. Since we cannot determine // in advance whether or not a proc-macro will be (transitively) invoked, @@ -196,7 +194,7 @@ impl<'a> Parser<'a> { ); } - Ok(ParseNtResult::Nt(nt)) + Ok(ParseNtResult::Nt(Lrc::new(nt))) } } diff --git a/compiler/rustc_parse/src/parser/pat.rs b/compiler/rustc_parse/src/parser/pat.rs index 78d3d019bf4..8af415f7c9d 100644 --- a/compiler/rustc_parse/src/parser/pat.rs +++ b/compiler/rustc_parse/src/parser/pat.rs @@ -757,7 +757,7 @@ impl<'a> Parser<'a> { // Make sure we don't allow e.g. `let mut $p;` where `$p:pat`. if let token::Interpolated(nt) = &self.token.kind { - if let token::NtPat(..) = &nt.0 { + if let token::NtPat(..) = &**nt { self.expected_ident_found_err().emit(); } } diff --git a/compiler/rustc_parse/src/parser/path.rs b/compiler/rustc_parse/src/parser/path.rs index 3636a357978..c37d3f0441d 100644 --- a/compiler/rustc_parse/src/parser/path.rs +++ b/compiler/rustc_parse/src/parser/path.rs @@ -193,7 +193,7 @@ impl<'a> Parser<'a> { maybe_whole!(self, NtPath, |path| reject_generics_if_mod_style(self, path.into_inner())); if let token::Interpolated(nt) = &self.token.kind { - if let token::NtTy(ty) = &nt.0 { + if let token::NtTy(ty) = &**nt { if let ast::TyKind::Path(None, path) = &ty.kind { let path = path.clone(); self.bump(); |