58 lines
1.7 KiB
Rust
58 lines
1.7 KiB
Rust
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use std::fmt;
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use token::{PartialToken, Token};
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impl fmt::Display for Token {
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fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
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use self::Token::*;
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match self {
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Plus => write!(f, "+"),
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Minus => write!(f, "-"),
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Star => write!(f, "*"),
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Slash => write!(f, "/"),
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Percent => write!(f, "%"),
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Hat => write!(f, "^"),
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// Logic
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Eq => write!(f, "=="),
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Neq => write!(f, "!="),
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Gt => write!(f, ">"),
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Lt => write!(f, "<"),
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Geq => write!(f, ">="),
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Leq => write!(f, "<="),
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And => write!(f, "&&"),
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Or => write!(f, "||"),
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Not => write!(f, "!"),
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// Precedence
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LBrace => write!(f, "("),
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RBrace => write!(f, ")"),
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// Aggregation
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Comma => write!(f, ","),
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// Values => write!(f, ""), Variables and Functions
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Identifier(identifier) => identifier.fmt(f),
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Float(float) => float.fmt(f),
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Int(int) => int.fmt(f),
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Boolean(boolean) => boolean.fmt(f),
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}
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}
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}
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impl fmt::Display for PartialToken {
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fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
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use self::PartialToken::*;
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match self {
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Token(token) => token.fmt(f),
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Literal(literal) => literal.fmt(f),
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Whitespace => write!(f, " "),
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Eq => write!(f, "="),
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ExclamationMark => write!(f, "!"),
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Gt => write!(f, ">"),
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Lt => write!(f, "<"),
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Ampersand => write!(f, "&"),
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VerticalBar => write!(f, "|"),
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}
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}
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}
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