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Add lexer support for angles, which we'll use for casting.

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This commit is contained in:
Adam Wick
2023-05-12 17:28:13 -07:00
parent c0b65ef416
commit 9f8050a559
1 changed files with 8 additions and 0 deletions
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8
src/syntax/tokens.rs
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@@ -40,6 +40,12 @@ pub enum Token {
#[token(")")] #[token(")")]
RightParen, RightParen,
#[token("<")]
LessThan,
#[token(">")]
GreaterThan,
// Next we take of any reserved words; I always like to put // Next we take of any reserved words; I always like to put
// these before we start recognizing more complicated regular // these before we start recognizing more complicated regular
// expressions. I don't think it matters, but it works for me. // expressions. I don't think it matters, but it works for me.
@@ -89,6 +95,8 @@ impl fmt::Display for Token {
Token::Semi => write!(f, "';'"), Token::Semi => write!(f, "';'"),
Token::LeftParen => write!(f, "'('"), Token::LeftParen => write!(f, "'('"),
Token::RightParen => write!(f, "')'"), Token::RightParen => write!(f, "')'"),
Token::LessThan => write!(f, "<"),
Token::GreaterThan => write!(f, ">"),
Token::Print => write!(f, "'print'"), Token::Print => write!(f, "'print'"),
Token::Operator(c) => write!(f, "'{}'", c), Token::Operator(c) => write!(f, "'{}'", c),
Token::Number((None, otype, v)) => write!(f, "'{}{}'", v, display_optional_type(otype)), Token::Number((None, otype, v)) => write!(f, "'{}{}'", v, display_optional_type(otype)),