just/src/line.rs
2022-01-03 00:51:22 +00:00

47 lines
1.2 KiB
Rust

use crate::common::*;
/// A single line in a recipe body, consisting of any number of `Fragment`s.
#[derive(Debug, Clone, PartialEq, Serialize)]
#[serde(transparent)]
pub(crate) struct Line<'src> {
pub(crate) fragments: Vec<Fragment<'src>>,
}
impl<'src> Line<'src> {
pub(crate) fn is_empty(&self) -> bool {
self.fragments.is_empty()
}
pub(crate) fn is_continuation(&self) -> bool {
match self.fragments.last() {
Some(Fragment::Text { token }) => token.lexeme().ends_with('\\'),
_ => false,
}
}
pub(crate) fn is_shebang(&self) -> bool {
match self.fragments.first() {
Some(Fragment::Text { token }) => token.lexeme().starts_with("#!"),
_ => false,
}
}
pub(crate) fn is_quiet(&self) -> bool {
match self.fragments.first() {
Some(Fragment::Text { token }) => {
token.lexeme().starts_with('@') || token.lexeme().starts_with("-@")
}
_ => false,
}
}
pub(crate) fn is_infallible(&self) -> bool {
match self.fragments.first() {
Some(Fragment::Text { token }) => {
token.lexeme().starts_with('-') || token.lexeme().starts_with("@-")
}
_ => false,
}
}
}