diff options
Diffstat (limited to 'src/libsyntax/parse/parser/ty.rs')
| -rw-r--r-- | src/libsyntax/parse/parser/ty.rs | 36 |
1 files changed, 17 insertions, 19 deletions
diff --git a/src/libsyntax/parse/parser/ty.rs b/src/libsyntax/parse/parser/ty.rs index 41ee2a1599d..86c94b680b2 100644 --- a/src/libsyntax/parse/parser/ty.rs +++ b/src/libsyntax/parse/parser/ty.rs @@ -1,16 +1,15 @@ use super::{Parser, PResult, PathStyle, PrevTokenKind, TokenType}; +use super::item::ParamCfg; use crate::{maybe_whole, maybe_recover_from_interpolated_ty_qpath}; use crate::ptr::P; use crate::ast::{self, Ty, TyKind, MutTy, BareFnTy, FunctionRetTy, GenericParam, Lifetime, Ident}; use crate::ast::{TraitBoundModifier, TraitObjectSyntax, GenericBound, GenericBounds, PolyTraitRef}; -use crate::ast::{Mutability, AnonConst, FnDecl, Mac}; +use crate::ast::{Mutability, AnonConst, Mac}; use crate::parse::token::{self, Token}; use crate::source_map::Span; use crate::symbol::{kw}; -use rustc_target::spec::abi::Abi; - use errors::{Applicability, pluralise}; /// Returns `true` if `IDENT t` can start a type -- `IDENT::a::b`, `IDENT<u8, u8>`, @@ -211,7 +210,7 @@ impl<'a> Parser<'a> { }; let span = lo.to(self.prev_span); - let ty = P(Ty { kind, span, id: ast::DUMMY_NODE_ID }); + let ty = self.mk_ty(span, kind); // Try to recover from use of `+` with incorrect priority. self.maybe_report_ambiguous_plus(allow_plus, impl_dyn_multi, &ty); @@ -281,19 +280,14 @@ impl<'a> Parser<'a> { */ let unsafety = self.parse_unsafety(); - let abi = if self.eat_keyword(kw::Extern) { - self.parse_opt_abi()?.unwrap_or(Abi::C) - } else { - Abi::Rust - }; - + let abi = self.parse_extern_abi()?; self.expect_keyword(kw::Fn)?; - let inputs = self.parse_fn_params(false, true)?; - let ret_ty = self.parse_ret_ty(false)?; - let decl = P(FnDecl { - inputs, - output: ret_ty, - }); + let cfg = ParamCfg { + is_self_allowed: false, + allow_c_variadic: true, + is_name_required: |_| false, + }; + let decl = self.parse_fn_decl(cfg, false)?; Ok(TyKind::BareFn(P(BareFnTy { abi, unsafety, @@ -302,7 +296,7 @@ impl<'a> Parser<'a> { }))) } - crate fn parse_generic_bounds(&mut self, + pub(super) fn parse_generic_bounds(&mut self, colon_span: Option<Span>) -> PResult<'a, GenericBounds> { self.parse_generic_bounds_common(true, colon_span) } @@ -439,13 +433,13 @@ impl<'a> Parser<'a> { } } - crate fn check_lifetime(&mut self) -> bool { + pub fn check_lifetime(&mut self) -> bool { self.expected_tokens.push(TokenType::Lifetime); self.token.is_lifetime() } /// Parses a single lifetime `'a` or panics. - crate fn expect_lifetime(&mut self) -> Lifetime { + pub fn expect_lifetime(&mut self) -> Lifetime { if let Some(ident) = self.token.lifetime() { let span = self.token.span; self.bump(); @@ -454,4 +448,8 @@ impl<'a> Parser<'a> { self.span_bug(self.token.span, "not a lifetime") } } + + pub(super) fn mk_ty(&self, span: Span, kind: TyKind) -> P<Ty> { + P(Ty { kind, span, id: ast::DUMMY_NODE_ID }) + } } |
