diff options
| -rw-r--r-- | compiler/rustc_errors/src/emitter.rs | 21 | ||||
| -rw-r--r-- | compiler/rustc_span/src/lib.rs | 3 | ||||
| -rw-r--r-- | tests/ui/parser/unicode-control-codepoints.stderr | 98 |
3 files changed, 62 insertions, 60 deletions
diff --git a/compiler/rustc_errors/src/emitter.rs b/compiler/rustc_errors/src/emitter.rs index 16fa0ff7a2d..58220c65490 100644 --- a/compiler/rustc_errors/src/emitter.rs +++ b/compiler/rustc_errors/src/emitter.rs @@ -2558,18 +2558,19 @@ fn num_decimal_digits(num: usize) -> usize { } // We replace some characters so the CLI output is always consistent and underlines aligned. +// Keep the following list in sync with `rustc_span::char_width`. const OUTPUT_REPLACEMENTS: &[(char, &str)] = &[ - ('\t', " "), // We do our own tab replacement + ('\t', " "), // We do our own tab replacement ('\u{200D}', ""), // Replace ZWJ with nothing for consistent terminal output of grapheme clusters. - ('\u{202A}', ""), // The following unicode text flow control characters are inconsistently - ('\u{202B}', ""), // supported across CLIs and can cause confusion due to the bytes on disk - ('\u{202D}', ""), // not corresponding to the visible source code, so we replace them always. - ('\u{202E}', ""), - ('\u{2066}', ""), - ('\u{2067}', ""), - ('\u{2068}', ""), - ('\u{202C}', ""), - ('\u{2069}', ""), + ('\u{202A}', "�"), // The following unicode text flow control characters are inconsistently + ('\u{202B}', "�"), // supported across CLIs and can cause confusion due to the bytes on disk + ('\u{202D}', "�"), // not corresponding to the visible source code, so we replace them always. + ('\u{202E}', "�"), + ('\u{2066}', "�"), + ('\u{2067}', "�"), + ('\u{2068}', "�"), + ('\u{202C}', "�"), + ('\u{2069}', "�"), // In terminals without Unicode support the following will be garbled, but in *all* terminals // the underlying codepoint will be as well. We could gate this replacement behind a "unicode // support" gate. diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index ea57c1ce818..7c8ac3be4be 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -2093,7 +2093,8 @@ pub fn char_width(ch: char) -> usize { | '\u{000E}' | '\u{000F}' | '\u{0010}' | '\u{0011}' | '\u{0012}' | '\u{0013}' | '\u{0014}' | '\u{0015}' | '\u{0016}' | '\u{0017}' | '\u{0018}' | '\u{0019}' | '\u{001A}' | '\u{001B}' | '\u{001C}' | '\u{001D}' | '\u{001E}' | '\u{001F}' - | '\u{007F}' => 1, + | '\u{007F}' | '\u{202A}' | '\u{202B}' | '\u{202D}' | '\u{202E}' | '\u{2066}' + | '\u{2067}' | '\u{2068}' | '\u{202C}' | '\u{2069}' => 1, _ => unicode_width::UnicodeWidthChar::width(ch).unwrap_or(1), } } diff --git a/tests/ui/parser/unicode-control-codepoints.stderr b/tests/ui/parser/unicode-control-codepoints.stderr index fc071a94191..28de4ae72ab 100644 --- a/tests/ui/parser/unicode-control-codepoints.stderr +++ b/tests/ui/parser/unicode-control-codepoints.stderr @@ -17,78 +17,78 @@ LL | println!("{:?}", b"us\u{202B}e\u{202A}r"); error: non-ASCII character in byte string literal --> $DIR/unicode-control-codepoints.rs:16:26 | -LL | println!("{:?}", b"/* } if isAdmin begin admins only "); +LL | println!("{:?}", b"/*� } �if isAdmin� � begin admins only "); | ^ must be ASCII but is '\u{202e}' | help: if you meant to use the UTF-8 encoding of '\u{202e}', use \xHH escapes | -LL | println!("{:?}", b"/*\xE2\x80\xAE } if isAdmin begin admins only "); +LL | println!("{:?}", b"/*\xE2\x80\xAE } �if isAdmin� � begin admins only "); | ~~~~~~~~~~~~ error: non-ASCII character in byte string literal --> $DIR/unicode-control-codepoints.rs:16:30 | -LL | println!("{:?}", b"/* } if isAdmin begin admins only "); - | ^ must be ASCII but is '\u{2066}' +LL | println!("{:?}", b"/*� } �if isAdmin� � begin admins only "); + | ^ must be ASCII but is '\u{2066}' | help: if you meant to use the UTF-8 encoding of '\u{2066}', use \xHH escapes | -LL | println!("{:?}", b"/* } \xE2\x81\xA6if isAdmin begin admins only "); - | ~~~~~~~~~~~~ +LL | println!("{:?}", b"/*� } \xE2\x81\xA6if isAdmin� � begin admins only "); + | ~~~~~~~~~~~~ error: non-ASCII character in byte string literal --> $DIR/unicode-control-codepoints.rs:16:41 | -LL | println!("{:?}", b"/* } if isAdmin begin admins only "); - | ^ must be ASCII but is '\u{2069}' +LL | println!("{:?}", b"/*� } �if isAdmin� � begin admins only "); + | ^ must be ASCII but is '\u{2069}' | help: if you meant to use the UTF-8 encoding of '\u{2069}', use \xHH escapes | -LL | println!("{:?}", b"/* } if isAdmin\xE2\x81\xA9 begin admins only "); - | ~~~~~~~~~~~~ +LL | println!("{:?}", b"/*� } �if isAdmin\xE2\x81\xA9 � begin admins only "); + | ~~~~~~~~~~~~ error: non-ASCII character in byte string literal --> $DIR/unicode-control-codepoints.rs:16:43 | -LL | println!("{:?}", b"/* } if isAdmin begin admins only "); - | ^ must be ASCII but is '\u{2066}' +LL | println!("{:?}", b"/*� } �if isAdmin� � begin admins only "); + | ^ must be ASCII but is '\u{2066}' | help: if you meant to use the UTF-8 encoding of '\u{2066}', use \xHH escapes | -LL | println!("{:?}", b"/* } if isAdmin \xE2\x81\xA6 begin admins only "); - | ~~~~~~~~~~~~ +LL | println!("{:?}", b"/*� } �if isAdmin� \xE2\x81\xA6 begin admins only "); + | ~~~~~~~~~~~~ error: non-ASCII character in raw byte string literal --> $DIR/unicode-control-codepoints.rs:21:29 | -LL | println!("{:?}", br##"/* } if isAdmin begin admins only "##); +LL | println!("{:?}", br##"/*� } �if isAdmin� � begin admins only "##); | ^ must be ASCII but is '\u{202e}' error: non-ASCII character in raw byte string literal --> $DIR/unicode-control-codepoints.rs:21:33 | -LL | println!("{:?}", br##"/* } if isAdmin begin admins only "##); - | ^ must be ASCII but is '\u{2066}' +LL | println!("{:?}", br##"/*� } �if isAdmin� � begin admins only "##); + | ^ must be ASCII but is '\u{2066}' error: non-ASCII character in raw byte string literal --> $DIR/unicode-control-codepoints.rs:21:44 | -LL | println!("{:?}", br##"/* } if isAdmin begin admins only "##); - | ^ must be ASCII but is '\u{2069}' +LL | println!("{:?}", br##"/*� } �if isAdmin� � begin admins only "##); + | ^ must be ASCII but is '\u{2069}' error: non-ASCII character in raw byte string literal --> $DIR/unicode-control-codepoints.rs:21:46 | -LL | println!("{:?}", br##"/* } if isAdmin begin admins only "##); - | ^ must be ASCII but is '\u{2066}' +LL | println!("{:?}", br##"/*� } �if isAdmin� � begin admins only "##); + | ^ must be ASCII but is '\u{2066}' error: unicode codepoint changing visible direction of text present in comment --> $DIR/unicode-control-codepoints.rs:2:5 | -LL | // if access_level != "user" { // Check if admin - | ^^^^^^^^^^^^^^^^^^^^^^^^^--^^^^^^^^^^^^^^^^^^^^^ - | | || - | | |'\u{202a}' +LL | // if access_level != "us�e�r" { // Check if admin + | ^^^^^^^^^^^^^^^^^^^^^^^^^-^-^^^^^^^^^^^^^^^^^^^^^^ + | | | | + | | | '\u{202a}' | | '\u{202b}' | this comment contains invisible unicode text flow control codepoints | @@ -99,12 +99,12 @@ LL | // if access_level != "user" { // Check if admin error: unicode codepoint changing visible direction of text present in comment --> $DIR/unicode-control-codepoints.rs:30:1 | -LL | //"/* } if isAdmin begin admins only */" - | ^^^^^-^^-^^^^^^^^^--^^^^^^^^^^^^^^^^^^^^^ - | | | | || - | | | | |'\u{2066}' - | | | | '\u{2069}' - | | | '\u{2066}' +LL | //"/*� } �if isAdmin� � begin admins only */" + | ^^^^^-^^^-^^^^^^^^^^-^-^^^^^^^^^^^^^^^^^^^^^^ + | | | | | | + | | | | | '\u{2066}' + | | | | '\u{2069}' + | | | '\u{2066}' | | '\u{202e}' | this comment contains invisible unicode text flow control codepoints | @@ -114,12 +114,12 @@ LL | //"/* } if isAdmin begin admins only */" error: unicode codepoint changing visible direction of text present in literal --> $DIR/unicode-control-codepoints.rs:11:22 | -LL | println!("{:?}", "/* } if isAdmin begin admins only "); - | ^^^-^^-^^^^^^^^^--^^^^^^^^^^^^^^^^^^^ - | | | | || - | | | | |'\u{2066}' - | | | | '\u{2069}' - | | | '\u{2066}' +LL | println!("{:?}", "/*� } �if isAdmin� � begin admins only "); + | ^^^-^^^-^^^^^^^^^^-^-^^^^^^^^^^^^^^^^^^^^ + | | | | | | + | | | | | '\u{2066}' + | | | | '\u{2069}' + | | | '\u{2066}' | | '\u{202e}' | this literal contains invisible unicode text flow control codepoints | @@ -134,12 +134,12 @@ LL | println!("{:?}", "/*\u{202e} } \u{2066}if isAdmin\u{2069} \u{2066} begi error: unicode codepoint changing visible direction of text present in literal --> $DIR/unicode-control-codepoints.rs:14:22 | -LL | println!("{:?}", r##"/* } if isAdmin begin admins only "##); - | ^^^^^^-^^-^^^^^^^^^--^^^^^^^^^^^^^^^^^^^^^ - | | | | || - | | | | |'\u{2066}' - | | | | '\u{2069}' - | | | '\u{2066}' +LL | println!("{:?}", r##"/*� } �if isAdmin� � begin admins only "##); + | ^^^^^^-^^^-^^^^^^^^^^-^-^^^^^^^^^^^^^^^^^^^^^^ + | | | | | | + | | | | | '\u{2066}' + | | | | '\u{2069}' + | | | '\u{2066}' | | '\u{202e}' | this literal contains invisible unicode text flow control codepoints | @@ -153,8 +153,8 @@ LL | println!("{:?}", r##"/*\u{202e} } \u{2066}if isAdmin\u{2069} \u{2066} b error: unicode codepoint changing visible direction of text present in literal --> $DIR/unicode-control-codepoints.rs:26:22 | -LL | println!("{:?}", ''); - | ^- +LL | println!("{:?}", '�'); + | ^-^ | || | |'\u{202e}' | this literal contains an invisible unicode text flow control codepoint @@ -169,8 +169,8 @@ LL | println!("{:?}", '\u{202e}'); error: unicode codepoint changing visible direction of text present in doc comment --> $DIR/unicode-control-codepoints.rs:33:1 | -LL | /** ''); */fn foo() {} - | ^^^^^^^^^^^^ this doc comment contains an invisible unicode text flow control codepoint +LL | /** '�'); */fn foo() {} + | ^^^^^^^^^^^^^ this doc comment contains an invisible unicode text flow control codepoint | = note: these kind of unicode codepoints change the way text flows on applications that support them, but can cause confusion because they change the order of characters on the screen = note: if their presence wasn't intentional, you can remove them @@ -181,8 +181,8 @@ error: unicode codepoint changing visible direction of text present in doc comme | LL | / /** LL | | * -LL | | * ''); */fn bar() {} - | |___________^ this doc comment contains an invisible unicode text flow control codepoint +LL | | * '�'); */fn bar() {} + | |____________^ this doc comment contains an invisible unicode text flow control codepoint | = note: these kind of unicode codepoints change the way text flows on applications that support them, but can cause confusion because they change the order of characters on the screen = note: if their presence wasn't intentional, you can remove them |
