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Rollup merge of #123462 - fmease:rn-mod-sep-to-path-sep, r=nnethercote

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Cleanup: Rename `ModSep` to `PathSep`

`::` is usually referred to as the *path separator* (citation needed).

The existing name `ModSep` for *module separator* is a bit misleading since it in fact separates the segments of arbitrary path segments, not only ones resolving to modules. Let me just give a shout-out to associated items (`T::Assoc`, `<Ty as Trait>::function`) and enum variants (`Option::None`).

Motivation: Reduce friction for new contributors, prevent potential confusion.

cc `@petrochenkov`
r? nnethercote or compiler
This commit is contained in:
León Orell Valerian Liehr 2024-04-16 01:12:37 +02:00 • committed by GitHub
commit c5665990c5
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GPG key ID: B5690EEEBB952194
13 changed files with 44 additions and 42 deletions
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6
compiler/rustc_ast/src/attr/mod.rs
View file

@ -308,11 +308,11 @@ impl MetaItem {
// FIXME: Share code with `parse_path`.
let path = match tokens.next().map(|tt| TokenTree::uninterpolate(tt)).as_deref() {
Some(&TokenTree::Token(
Token { kind: ref kind @ (token::Ident(..) | token::ModSep), span },
Token { kind: ref kind @ (token::Ident(..) | token::PathSep), span },
_,
)) => 'arm: {
let mut segments = if let &token::Ident(name, _) = kind {
if let Some(TokenTree::Token(Token { kind: token::ModSep, .. }, _)) =
if let Some(TokenTree::Token(Token { kind: token::PathSep, .. }, _)) =
tokens.peek()
{
tokens.next();
@ -331,7 +331,7 @@ impl MetaItem {
} else {
return None;
}
if let Some(TokenTree::Token(Token { kind: token::ModSep, .. }, _)) =
if let Some(TokenTree::Token(Token { kind: token::PathSep, .. }, _)) =
tokens.peek()
{
tokens.next();

20
compiler/rustc_ast/src/token.rs
View file

@ -290,7 +290,7 @@ pub enum TokenKind {
/// `:`
Colon,
/// `::`
ModSep,
PathSep,
/// `->`
RArrow,
/// `<-`
@ -393,7 +393,7 @@ impl TokenKind {
BinOpEq(Shr) => (Gt, Ge),
DotDot => (Dot, Dot),
DotDotDot => (Dot, DotDot),
ModSep => (Colon, Colon),
PathSep => (Colon, Colon),
RArrow => (BinOp(Minus), Gt),
LArrow => (Lt, BinOp(Minus)),
FatArrow => (Eq, Gt),
@ -454,7 +454,9 @@ impl Token {
match self.kind {
Eq | Lt | Le | EqEq | Ne | Ge | Gt | AndAnd | OrOr | Not | Tilde | BinOp(_)
| BinOpEq(_) | At | Dot | DotDot | DotDotDot | DotDotEq | Comma | Semi | Colon
| ModSep | RArrow | LArrow | FatArrow | Pound | Dollar | Question | SingleQuote => true,
| PathSep | RArrow | LArrow | FatArrow | Pound | Dollar | Question | SingleQuote => {
true
}
OpenDelim(..) | CloseDelim(..) | Literal(..) | DocComment(..) | Ident(..)
| Lifetime(..) | Interpolated(..) | Eof => false,
@ -481,7 +483,7 @@ impl Token {
// DotDotDot is no longer supported, but we need some way to display the error
DotDot | DotDotDot | DotDotEq | // range notation
Lt | BinOp(Shl) | // associated path
ModSep | // global path
PathSep | // global path
Lifetime(..) | // labeled loop
Pound => true, // expression attributes
Interpolated(ref nt) => matches!(&nt.0, NtLiteral(..) |
@ -507,7 +509,7 @@ impl Token {
// DotDotDot is no longer supported
| DotDot | DotDotDot | DotDotEq // ranges
| Lt | BinOp(Shl) // associated path
| ModSep => true, // global path
| PathSep => true, // global path
Interpolated(ref nt) => matches!(&nt.0, NtLiteral(..) |
NtPat(..) |
NtBlock(..) |
@ -530,7 +532,7 @@ impl Token {
Question | // maybe bound in trait object
Lifetime(..) | // lifetime bound in trait object
Lt | BinOp(Shl) | // associated path
ModSep => true, // global path
PathSep => true, // global path
Interpolated(ref nt) => matches!(&nt.0, NtTy(..) | NtPath(..)),
// For anonymous structs or unions, which only appear in specific positions
// (type of struct fields or union fields), we don't consider them as regular types
@ -708,7 +710,7 @@ impl Token {
}
pub fn is_path_start(&self) -> bool {
self == &ModSep
self == &PathSep
|| self.is_qpath_start()
|| self.is_whole_path()
|| self.is_path_segment_keyword()
@ -821,7 +823,7 @@ impl Token {
_ => return None,
},
Colon => match joint.kind {
Colon => ModSep,
Colon => PathSep,
_ => return None,
},
SingleQuote => match joint.kind {
@ -830,7 +832,7 @@ impl Token {
},
Le | EqEq | Ne | Ge | AndAnd | OrOr | Tilde | BinOpEq(..) | At | DotDotDot
| DotDotEq | Comma | Semi | ModSep | RArrow | LArrow | FatArrow | Pound | Dollar
| DotDotEq | Comma | Semi | PathSep | RArrow | LArrow | FatArrow | Pound | Dollar
| Question | OpenDelim(..) | CloseDelim(..) | Literal(..) | Ident(..)
| Lifetime(..) | Interpolated(..) | DocComment(..) | Eof => return None,
};