2021-09-02 10:25:22 +02:00
|
|
|
use std::ops::{Index, IndexMut};
|
|
|
|
|
2021-09-06 01:16:27 +02:00
|
|
|
use crate::Signature;
|
|
|
|
|
2021-09-02 20:21:37 +02:00
|
|
|
use super::Statement;
|
2021-09-02 10:25:22 +02:00
|
|
|
|
|
|
|
#[derive(Debug, Clone)]
|
|
|
|
pub struct Block {
|
2021-09-06 01:16:27 +02:00
|
|
|
pub signature: Box<Signature>,
|
2021-09-02 10:25:22 +02:00
|
|
|
pub stmts: Vec<Statement>,
|
|
|
|
}
|
|
|
|
|
|
|
|
impl Block {
|
|
|
|
pub fn len(&self) -> usize {
|
|
|
|
self.stmts.len()
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn is_empty(&self) -> bool {
|
|
|
|
self.stmts.is_empty()
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
impl Index<usize> for Block {
|
|
|
|
type Output = Statement;
|
|
|
|
|
|
|
|
fn index(&self, index: usize) -> &Self::Output {
|
|
|
|
&self.stmts[index]
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
impl IndexMut<usize> for Block {
|
|
|
|
fn index_mut(&mut self, index: usize) -> &mut Self::Output {
|
|
|
|
&mut self.stmts[index]
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
impl Default for Block {
|
|
|
|
fn default() -> Self {
|
|
|
|
Self::new()
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
impl Block {
|
|
|
|
pub fn new() -> Self {
|
2021-09-06 01:16:27 +02:00
|
|
|
Self {
|
|
|
|
signature: Box::new(Signature::new("")),
|
|
|
|
stmts: vec![],
|
|
|
|
}
|
2021-09-02 10:25:22 +02:00
|
|
|
}
|
|
|
|
}
|
2021-09-10 09:28:43 +02:00
|
|
|
|
|
|
|
impl<T> From<T> for Block
|
|
|
|
where
|
|
|
|
T: Iterator<Item = Statement>,
|
|
|
|
{
|
|
|
|
fn from(stmts: T) -> Self {
|
|
|
|
Self {
|
|
|
|
signature: Box::new(Signature::new("")),
|
|
|
|
stmts: stmts.collect(),
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|