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use super::lexer_impl::LexerError;
use super::lexer_impl::LexerResult;
use super::loc::Loc;
use super::num_lit::NumLit;
use super::str_lit::StrLit;
use crate::lexer::JsonNumberLit;
#[derive(Clone, Debug, PartialEq)]
pub enum Token {
Ident(String),
Symbol(char),
// Protobuf tokenizer has separate tokens for int and float.
// Tokens do not include sign.
IntLit(u64),
FloatLit(f64),
JsonNumber(JsonNumberLit),
// including quotes
StrLit(StrLit),
// Two consecutive colons "::"
DoubleColon,
// Function returns "->"
FnReturns,
}
impl Token {
/*
/// Back to original
pub fn format(&self) -> String {
match self {
&Token::Ident(ref s) => s.clone(),
&Token::Symbol(c) => c.to_string(),
&Token::IntLit(ref i) => i.to_string(),
&Token::StrLit(ref s) => s.quoted(),
&Token::FloatLit(ref f) => f.to_string(),
&Token::JsonNumber(ref f) => f.to_string(),
}
}
*/
pub fn to_num_lit(&self) -> LexerResult<NumLit> {
match *self {
Token::IntLit(i) => Ok(NumLit::U64(i)),
Token::FloatLit(f) => Ok(NumLit::F64(f)),
_ => Err(LexerError::IncorrectInput),
}
}
}
#[derive(Clone)]
pub struct TokenWithLocation {
pub token: Token,
pub loc: Loc,
}