#[non_exhaustive]
pub enum LexError {
UnexpectedInput(String),
UnterminatedString,
StringTooLong(usize),
MalformedEscapeSequence(String),
MalformedNumber(String),
MalformedChar(String),
MalformedIdentifier(String),
ImproperSymbol(String, String),
}
Expand description
Error encountered when tokenizing the script text.
Variants (Non-exhaustive)§
This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
UnexpectedInput(String)
An unexpected symbol is encountered when tokenizing the script text.
UnterminatedString
A string literal is not terminated before a new-line or EOF.
StringTooLong(usize)
An identifier or string literal is longer than the maximum allowed length.
MalformedEscapeSequence(String)
An string/character/numeric escape sequence is in an invalid format.
MalformedNumber(String)
An numeric literal is in an invalid format.
MalformedChar(String)
An character literal is in an invalid format.
MalformedIdentifier(String)
An identifier is in an invalid format.
ImproperSymbol(String, String)
Bad symbol encountered when tokenizing the script text.
Implementations§
source§impl LexError
impl LexError
sourcepub fn into_err(self, pos: Position) -> ParseError
pub fn into_err(self, pos: Position) -> ParseError
Convert a LexError
into a ParseError
.
Trait Implementations§
source§impl Error for LexError
impl Error for LexError
1.30.0 · source§fn source(&self) -> Option<&(dyn Error + 'static)>
fn source(&self) -> Option<&(dyn Error + 'static)>
The lower-level source of this error, if any. Read more
1.0.0 · source§fn description(&self) -> &str
fn description(&self) -> &str
👎Deprecated since 1.42.0: use the Display impl or to_string()