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Add validator for byte

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This commit is contained in:
Adolfo Ochagavía 2018-11-11 20:27:00 +01:00
parent a4f7d7a7cd
commit c258b4fdb0
8 changed files with 420 additions and 94 deletions
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20
crates/ra_syntax/src/yellow/syntax_error.rs
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@ -72,6 +72,16 @@ pub enum SyntaxErrorKind {
EmptyChar,
UnclosedChar,
OverlongChar,
EmptyByte,
UnclosedByte,
OverlongByte,
ByteOutOfRange,
UnescapedByte,
EmptyByteEscape,
InvalidByteEscape,
TooShortByteCodeEscape,
MalformedByteCodeEscape,
UnicodeEscapeForbidden,
EmptyAsciiEscape,
InvalidAsciiEscape,
TooShortAsciiCodeEscape,
@ -98,6 +108,16 @@ impl fmt::Display for SyntaxErrorKind {
EmptyChar => write!(f, "Empty char literal"),
UnclosedChar => write!(f, "Unclosed char literal"),
OverlongChar => write!(f, "Char literal should be one character long"),
EmptyByte => write!(f, "Empty byte literal"),
UnclosedByte => write!(f, "Unclosed byte literal"),
OverlongByte => write!(f, "Byte literal should be one character long"),
ByteOutOfRange => write!(f, "Byte should be a valid ASCII character"),
UnescapedByte => write!(f, "This byte should always be escaped"),
EmptyByteEscape => write!(f, "Empty escape sequence"),
InvalidByteEscape => write!(f, "Invalid escape sequence"),
TooShortByteCodeEscape => write!(f, "Escape sequence should have two digits"),
MalformedByteCodeEscape => write!(f, "Escape sequence should be a hexadecimal number"),
UnicodeEscapeForbidden => write!(f, "Unicode escapes are not allowed in byte literals or byte strings"),
TooShortAsciiCodeEscape => write!(f, "Escape sequence should have two digits"),
AsciiCodeEscapeOutOfRange => {
write!(f, "Escape sequence should be between \\x00 and \\x7F")