kalker/kalk/src/test_helpers.rs

33 lines
720 B
Rust
Raw Normal View History

#![allow(dead_code)]
use crate::ast::Expr;
use crate::lexer::Token;
use crate::lexer::TokenKind;
pub fn token(kind: TokenKind, value: &str) -> Token {
Token {
kind,
value: value.into(),
2020-06-06 20:15:32 +02:00
span: (0, 0),
}
}
pub fn literal(value: &str) -> Box<Expr> {
Box::new(Expr::Literal(value.into()))
}
pub fn var(identifier: &str) -> Box<Expr> {
Box::new(Expr::Var(identifier.into()))
}
pub fn binary(left: Box<Expr>, op: TokenKind, right: Box<Expr>) -> Box<Expr> {
Box::new(Expr::Binary(left, op, right))
}
pub fn unary(op: TokenKind, expr: Box<Expr>) -> Box<Expr> {
Box::new(Expr::Unary(op, expr))
}
pub fn group(expr: Box<Expr>) -> Box<Expr> {
Box::new(Expr::Group(expr))
}