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Finish implementing char validation

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This commit is contained in:
Adolfo Ochagavía 2018-11-06 17:05:06 +01:00
parent d1b242262a
commit c56db92d1f
3 changed files with 93 additions and 8 deletions
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16
crates/ra_syntax/src/yellow/syntax_error.rs
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@ -69,6 +69,14 @@ pub enum SyntaxErrorKind {
LongChar,
EmptyAsciiEscape,
InvalidAsciiEscape,
TooShortAsciiCodeEscape,
AsciiCodeEscapeOutOfRange,
MalformedAsciiCodeEscape,
UnclosedUnicodeEscape,
MalformedUnicodeEscape,
EmptyUnicodeEcape,
OverlongUnicodeEscape,
UnicodeEscapeOutOfRange,
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
@ -83,6 +91,14 @@ impl fmt::Display for SyntaxErrorKind {
EmptyChar => write!(f, "Empty char literal"),
UnclosedChar => write!(f, "Unclosed char literal"),
LongChar => write!(f, "Char literal should be one character long"),
TooShortAsciiCodeEscape => write!(f, "Escape sequence should have two digits"),
AsciiCodeEscapeOutOfRange => write!(f, "Escape sequence should be between \\x00 and \\x7F"),
MalformedAsciiCodeEscape => write!(f, "Escape sequence should be a hexadecimal number"),
UnclosedUnicodeEscape => write!(f, "Missing `}}`"),
MalformedUnicodeEscape => write!(f, "Malformed unicode escape sequence"),
EmptyUnicodeEcape => write!(f, "Empty unicode escape sequence"),
OverlongUnicodeEscape => write!(f, "Unicode escape sequence should have at most 6 digits"),
UnicodeEscapeOutOfRange => write!(f, "Unicode escape code should be at most 0x10FFFF"),
ParseError(msg) => write!(f, "{}", msg.0),
}
}