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Improved the compiler code with clippy

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This commit is contained in:
Michael Scholten 2024-04-23 11:47:51 +02:00
parent c67277301c
commit 3c5e88c7d1
4 changed files with 7 additions and 7 deletions
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6
compiler/rustc_lexer/src/lib.rs
View File

@ -630,7 +630,7 @@ impl Cursor<'_> {
// with a number // with a number
self.bump(); self.bump();
let mut empty_exponent = false; let mut empty_exponent = false;
if self.first().is_digit(10) { if self.first().is_ascii_digit() {
self.eat_decimal_digits(); self.eat_decimal_digits();
match self.first() { match self.first() {
'e' | 'E' => { 'e' | 'E' => {
@ -661,7 +661,7 @@ impl Cursor<'_> {
// If the first symbol is valid for identifier, it can be a lifetime. // If the first symbol is valid for identifier, it can be a lifetime.
// Also check if it's a number for a better error reporting (so '0 will // Also check if it's a number for a better error reporting (so '0 will
// be reported as invalid lifetime and not as unterminated char literal). // be reported as invalid lifetime and not as unterminated char literal).
is_id_start(self.first()) || self.first().is_digit(10) is_id_start(self.first()) || self.first().is_ascii_digit()
}; };
if !can_be_a_lifetime { if !can_be_a_lifetime {
@ -677,7 +677,7 @@ impl Cursor<'_> {
// Either a lifetime or a character literal with // Either a lifetime or a character literal with
// length greater than 1. // length greater than 1.
let starts_with_number = self.first().is_digit(10); let starts_with_number = self.first().is_ascii_digit();
// Skip the literal contents. // Skip the literal contents.
// First symbol can be a number (which isn't a valid identifier start), // First symbol can be a number (which isn't a valid identifier start),

4
compiler/rustc_lexer/src/unescape.rs
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@ -259,7 +259,7 @@ fn scan_escape<T: From<char> + From<u8>>(
} else { } else {
// This may be a high byte, but that will only happen if `T` is // This may be a high byte, but that will only happen if `T` is
// `MixedUnit`, because of the `allow_high_bytes` check above. // `MixedUnit`, because of the `allow_high_bytes` check above.
Ok(T::from(value as u8)) Ok(T::from(value))
}; };
} }
'u' => return scan_unicode(chars, mode.allow_unicode_escapes()).map(T::from), 'u' => return scan_unicode(chars, mode.allow_unicode_escapes()).map(T::from),
@ -300,7 +300,7 @@ fn scan_unicode(chars: &mut Chars<'_>, allow_unicode_escapes: bool) -> Result<ch
return Err(EscapeError::UnicodeEscapeInByte); return Err(EscapeError::UnicodeEscapeInByte);
} }
break std::char::from_u32(value).ok_or_else(|| { break std::char::from_u32(value).ok_or({
if value > 0x10FFFF { if value > 0x10FFFF {
EscapeError::OutOfRangeUnicodeEscape EscapeError::OutOfRangeUnicodeEscape
} else { } else {

2
compiler/rustc_llvm/build.rs
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@ -50,7 +50,7 @@ fn detect_llvm_link() -> (&'static str, &'static str) {
fn restore_library_path() { fn restore_library_path() {
let key = tracked_env_var_os("REAL_LIBRARY_PATH_VAR").expect("REAL_LIBRARY_PATH_VAR"); let key = tracked_env_var_os("REAL_LIBRARY_PATH_VAR").expect("REAL_LIBRARY_PATH_VAR");
if let Some(env) = tracked_env_var_os("REAL_LIBRARY_PATH") { if let Some(env) = tracked_env_var_os("REAL_LIBRARY_PATH") {
env::set_var(&key, &env); env::set_var(&key, env);
} else { } else {
env::remove_var(&key); env::remove_var(&key);
} }

2
compiler/rustc_macros/build.rs
View File

@ -1,7 +1,7 @@
fn main() { fn main() {
println!("cargo:rerun-if-changed=build.rs"); println!("cargo:rerun-if-changed=build.rs");
println!("cargo:rerun-if-env-changed=RUSTC_BOOTSTRAP"); println!("cargo:rerun-if-env-changed=RUSTC_BOOTSTRAP");
if !std::env::var("RUSTC_BOOTSTRAP").is_ok() { if std::env::var("RUSTC_BOOTSTRAP").is_err() {
eprintln!( eprintln!(
"error: you are attempting to build the compiler without going through bootstrap" "error: you are attempting to build the compiler without going through bootstrap"
); );