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Merged
bors merged 2 commits into from
May 3, 2020
Merged

Implement confusable_idents lint. #71542

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c05961c
Implement `confusable_idents` lint.
crlf0710 Apr 25, 2020
f3ec00a
Add a fast code path to optimize `confusable_idents` lint for ASCII c…
crlf0710 May 1, 2020
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Implement confusable_idents lint.
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@crlf0710
crlf0710 committed May 2, 2020
commit c05961c2db4b02f599c8509031818339e10d592a
81 changes: 41 additions & 40 deletions Cargo.lock
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -74,7 +74,7 @@ name = "arena"
version = "0.0.0"
dependencies = [
"rustc_data_structures",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand Down Expand Up @@ -492,7 +492,7 @@ dependencies = [
"regex-syntax",
"semver",
"serde",
"smallvec 1.0.0",
"smallvec 1.4.0",
"toml",
"unicode-normalization",
"url 2.1.0",
Expand Down Expand Up @@ -2428,7 +2428,7 @@ dependencies = [
"cloudabi",
"libc",
"redox_syscall",
"smallvec 1.0.0",
"smallvec 1.4.0",
"winapi 0.3.8",
]

Expand Down Expand Up @@ -3151,7 +3151,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "81dfcfbb0ddfd533abf8c076e3b49d1e5042d1962526a12ce2c66d514b24cca3"
dependencies = [
"rustc-ap-rustc_data_structures",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand All @@ -3174,7 +3174,7 @@ dependencies = [
"rustc-ap-rustc_span",
"rustc-ap-serialize",
"scoped-tls",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand Down Expand Up @@ -3223,7 +3223,7 @@ dependencies = [
"rustc-ap-rustc_session",
"rustc-ap-rustc_span",
"rustc-ap-serialize",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand All @@ -3249,7 +3249,7 @@ dependencies = [
"rustc-hash",
"rustc-rayon",
"rustc-rayon-core",
"smallvec 1.0.0",
"smallvec 1.4.0",
"stable_deref_trait",
"winapi 0.3.8",
]
Expand Down Expand Up @@ -3291,7 +3291,7 @@ dependencies = [
"rustc-ap-rustc_session",
"rustc-ap-rustc_span",
"rustc-ap-serialize",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand All @@ -3318,7 +3318,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "32220c3e6cdf226f38e4474b747dca15f3106bb680c74f10b299af3f6cdb1663"
dependencies = [
"rustc-ap-serialize",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand Down Expand Up @@ -3358,7 +3358,7 @@ dependencies = [
"rustc-ap-rustc_lexer",
"rustc-ap-rustc_session",
"rustc-ap-rustc_span",
"smallvec 1.0.0",
"smallvec 1.4.0",
"unicode-normalization",
]

Expand Down Expand Up @@ -3423,7 +3423,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "756e8f526ec7906e132188bf25e3c10a6ee42ab77294ecb3b3602647f0508eef"
dependencies = [
"indexmap",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand Down Expand Up @@ -3507,7 +3507,7 @@ dependencies = [
"serde",
"serde_json",
"smallvec 0.6.10",
"smallvec 1.0.0",
"smallvec 1.4.0",
"syn 0.15.35",
"url 2.1.0",
"winapi 0.3.8",
Expand All @@ -3518,7 +3518,7 @@ name = "rustc_apfloat"
version = "0.0.0"
dependencies = [
"bitflags",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand All @@ -3533,7 +3533,7 @@ dependencies = [
"rustc_span",
"scoped-tls",
"serialize",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand All @@ -3551,7 +3551,7 @@ dependencies = [
"rustc_session",
"rustc_span",
"rustc_target",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand Down Expand Up @@ -3612,7 +3612,7 @@ dependencies = [
"rustc_session",
"rustc_span",
"rustc_target",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand Down Expand Up @@ -3641,7 +3641,7 @@ dependencies = [
"rustc_span",
"rustc_target",
"serialize",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand Down Expand Up @@ -3694,7 +3694,7 @@ dependencies = [
"rustc-rayon-core",
"rustc_index",
"serialize",
"smallvec 1.0.0",
"smallvec 1.4.0",
"stable_deref_trait",
"winapi 0.3.8",
]
Expand Down Expand Up @@ -3768,7 +3768,7 @@ dependencies = [
"rustc_session",
"rustc_span",
"serialize",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand Down Expand Up @@ -3797,7 +3797,7 @@ dependencies = [
"rustc_span",
"rustc_target",
"serialize",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand Down Expand Up @@ -3833,7 +3833,7 @@ name = "rustc_index"
version = "0.0.0"
dependencies = [
"serialize",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand All @@ -3853,7 +3853,7 @@ dependencies = [
"rustc_span",
"rustc_target",
"serialize",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand Down Expand Up @@ -3895,7 +3895,7 @@ dependencies = [
"rustc_ty",
"rustc_typeck",
"serialize",
"smallvec 1.0.0",
"smallvec 1.4.0",
"tempfile",
"winapi 0.3.8",
]
Expand Down Expand Up @@ -3968,7 +3968,7 @@ dependencies = [
"rustc_span",
"rustc_target",
"serialize",
"smallvec 1.0.0",
"smallvec 1.4.0",
"stable_deref_trait",
"winapi 0.3.8",
]
Expand Down Expand Up @@ -4000,7 +4000,7 @@ dependencies = [
"rustc_target",
"scoped-tls",
"serialize",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand Down Expand Up @@ -4029,7 +4029,7 @@ dependencies = [
"rustc_target",
"rustc_trait_selection",
"serialize",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand All @@ -4053,7 +4053,7 @@ dependencies = [
"rustc_target",
"rustc_trait_selection",
"serialize",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand Down Expand Up @@ -4134,7 +4134,7 @@ dependencies = [
"rustc_index",
"rustc_span",
"serialize",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand All @@ -4157,7 +4157,7 @@ dependencies = [
"rustc_middle",
"rustc_session",
"rustc_span",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand Down Expand Up @@ -4272,7 +4272,7 @@ dependencies = [
"rustc_session",
"rustc_span",
"rustc_target",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand All @@ -4287,7 +4287,7 @@ dependencies = [
"rustc_middle",
"rustc_span",
"rustc_trait_selection",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand Down Expand Up @@ -4324,7 +4324,7 @@ dependencies = [
"rustc_span",
"rustc_target",
"rustc_trait_selection",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand Down Expand Up @@ -4568,7 +4568,7 @@ name = "serialize"
version = "0.0.0"
dependencies = [
"indexmap",
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand Down Expand Up @@ -4635,9 +4635,9 @@ checksum = "ab606a9c5e214920bb66c458cd7be8ef094f813f20fe77a54cc7dbfff220d4b7"

[[package]]
name = "smallvec"
version = "1.0.0"
version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4ecf3b85f68e8abaa7555aa5abdb1153079387e60b718283d732f03897fcfc86"
checksum = "c7cb5678e1615754284ec264d9bb5b4c27d2018577fd90ac0ceb578591ed5ee4"

[[package]]
name = "socket2"
Expand Down Expand Up @@ -5359,11 +5359,11 @@ dependencies = [

[[package]]
name = "unicode-normalization"
version = "0.1.11"
version = "0.1.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b561e267b2326bb4cebfc0ef9e68355c7abe6c6f522aeac2f5bf95d56c59bdcf"
checksum = "5479532badd04e128284890390c1e876ef7a993d0570b3597ae43dfa1d59afa4"
dependencies = [
"smallvec 1.0.0",
"smallvec 1.4.0",
]

[[package]]
Expand All @@ -5374,10 +5374,11 @@ checksum = "5b2c5c29e805da6817f5af6a627d65adb045cebf05cccd5a3493d6109454391c"

[[package]]
name = "unicode-security"
version = "0.0.2"
version = "0.0.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c49d35967fa037b881acc34ef717c38c4b5560eba10e3685271b3f530bb19634"
checksum = "a5f9011bbed9c13372bc8df618b55a38138445199caf3b61d432c6859c36dee0"
dependencies = [
"unicode-normalization",
"unicode-script",
]

Expand Down
9 changes: 5 additions & 4 deletions src/librustc_expand/proc_macro_server.rs
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -141,10 +141,10 @@ impl FromInternal<(TreeAndJoint, &'_ ParseSess, &'_ mut Vec<Self>)>
SingleQuote => op!('\''),

Ident(name, false) if name == kw::DollarCrate => tt!(Ident::dollar_crate()),
Ident(name, is_raw) => tt!(Ident::new(name, is_raw)),
Ident(name, is_raw) => tt!(Ident::new(sess, name, is_raw)),
Lifetime(name) => {
let ident = ast::Ident::new(name, span).without_first_quote();
stack.push(tt!(Ident::new(ident.name, false)));
stack.push(tt!(Ident::new(sess, ident.name, false)));
tt!(Punct::new('\'', true))
}
Literal(lit) => tt!(Literal { lit }),
Expand Down Expand Up @@ -322,7 +322,7 @@ impl Ident {
false
}
}
fn new(sym: Symbol, is_raw: bool, span: Span) -> Ident {
fn new(sess: &ParseSess, sym: Symbol, is_raw: bool, span: Span) -> Ident {
let sym = nfc_normalize(&sym.as_str());
let string = sym.as_str();
if !Self::is_valid(&string) {
Expand All @@ -331,6 +331,7 @@ impl Ident {
if is_raw && !sym.can_be_raw() {
panic!("`{}` cannot be a raw identifier", string);
}
sess.symbol_gallery.insert(sym, span);
Ident { sym, is_raw, span }
}
fn dollar_crate(span: Span) -> Ident {
Expand Down Expand Up @@ -495,7 +496,7 @@ impl server::Punct for Rustc<'_> {

impl server::Ident for Rustc<'_> {
fn new(&mut self, string: &str, span: Self::Span, is_raw: bool) -> Self::Ident {
Ident::new(Symbol::intern(string), is_raw, span)
Ident::new(self.sess, Symbol::intern(string), is_raw, span)
}
fn span(&mut self, ident: Self::Ident) -> Self::Span {
ident.span
Expand Down
2 changes: 1 addition & 1 deletion src/librustc_lint/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ path = "lib.rs"

[dependencies]
log = "0.4"
unicode-security = "0.0.2"
unicode-security = "0.0.3"
rustc_middle = { path = "../librustc_middle" }
rustc_ast_pretty = { path = "../librustc_ast_pretty" }
rustc_attr = { path = "../librustc_attr" }
Expand Down
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