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#[derive(Debug, Clone, Copy, PartialEq)]
pub enum StringType {
Single,
Double,
DoubleBracket,
}
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum Token<'s> {
/// Keywords
Break,
Goto,
Do,
End,
While,
Repeat,
Until,
If,
Then,
ElseIf,
Else,
For,
In,
Function,
Local,
Return,
True,
False,
Nil,
/// Symbols
Semicolon,
Eq,
Comma,
ColonColon,
Dot,
Colon,
OpenBracket,
CloseBracket,
DotDotDot,
OpenParen,
CloseParen,
OpenBrace,
CloseBrace,
/// Operators
Plus,
Minus,
Star,
Slash,
SlashSlash,
Hat,
Percent,
Amp,
Tilde,
Pipe,
LtLt,
GtGt,
DotDot,
Lt,
Le,
Gt,
Ge,
EqEq,
TildeEq,
And,
Or,
Hash,
Not,
/// Containers
Number(&'s str),
String(&'s str, StringType),
Identifier(&'s str),
// HTML extensions
Bang,
OpenClosingTag,
LuaStart,
LuaEnd,
Eof,
HtmlTextChar(char),
Whitespace,
}
impl std::fmt::Display for Token<'_> {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
match self {
Token::Break => write!(f, "break"),
Token::Goto => write!(f, "goto"),
Token::Do => write!(f, "do"),
Token::End => write!(f, "end"),
Token::While => write!(f, "while"),
Token::Repeat => write!(f, "repeat"),
Token::Until => write!(f, "until"),
Token::If => write!(f, "if"),
Token::Then => write!(f, "then"),
Token::ElseIf => write!(f, "elseif"),
Token::Else => write!(f, "else"),
Token::For => write!(f, "for"),
Token::In => write!(f, "in"),
Token::Function => write!(f, "function"),
Token::Local => write!(f, "local"),
Token::Return => write!(f, "return"),
Token::True => write!(f, "true"),
Token::False => write!(f, "false"),
Token::Nil => write!(f, "nil"),
Token::Semicolon => write!(f, ";"),
Token::Eq => write!(f, "="),
Token::Comma => write!(f, ","),
Token::ColonColon => write!(f, "::"),
Token::Dot => write!(f, "."),
Token::Colon => write!(f, ":"),
Token::OpenBracket => write!(f, "["),
Token::CloseBracket => write!(f, "]"),
Token::DotDotDot => write!(f, "..."),
Token::OpenParen => write!(f, "("),
Token::CloseParen => write!(f, ")"),
Token::OpenBrace => write!(f, "{{"),
Token::CloseBrace => write!(f, "}}"),
Token::Plus => write!(f, "+"),
Token::Minus => write!(f, "-"),
Token::Star => write!(f, "*"),
Token::Slash => write!(f, "/"),
Token::SlashSlash => write!(f, "//"),
Token::Hat => write!(f, "^"),
Token::Percent => write!(f, "%"),
Token::Amp => write!(f, "&"),
Token::Tilde => write!(f, "~"),
Token::Pipe => write!(f, "|"),
Token::LtLt => write!(f, "<<"),
Token::GtGt => write!(f, ">>"),
Token::DotDot => write!(f, ".."),
Token::Lt => write!(f, "<"),
Token::Le => write!(f, "<="),
Token::Gt => write!(f, ">"),
Token::Ge => write!(f, ">="),
Token::EqEq => write!(f, "=="),
Token::TildeEq => write!(f, "~="),
Token::And => write!(f, "and"),
Token::Or => write!(f, "or"),
Token::Hash => write!(f, "#"),
Token::Not => write!(f, "not"),
Token::Number(n) => write!(f, "{}", n),
Token::String(s, st) => match st {
StringType::Single => write!(f, "'{}'", s),
StringType::Double => write!(f, "\"{}\"", s),
StringType::DoubleBracket => write!(f, "[[{}]]", s),
},
Token::Identifier(s) => write!(f, "{}", s),
Token::OpenClosingTag => write!(f, "</"),
Token::LuaStart => write!(f, "{{$"),
Token::LuaEnd => write!(f, "$}}"),
Token::Bang => write!(f, "!"),
Token::Eof => write!(f, "EOF"),
Token::HtmlTextChar(c) => write!(f, "{}", c),
Token::Whitespace => write!(f, " "),
}
}
}
|
