forked from extern/nushell
c17e1473db
* Remember environment variables from previous scope * Re-introduce env var hiding Right now, hiding decls is broken * Re-introduce hidden field of import patterns All tests pass now. * Remove/Address tests TODOs * Fix test typo; Report hiding error * Add a few more tests * Fix wrong expected test result
53 lines
1.3 KiB
Rust
53 lines
1.3 KiB
Rust
use crate::{span, Span};
|
|
use std::collections::HashSet;
|
|
|
|
#[derive(Debug, Clone)]
|
|
pub enum ImportPatternMember {
|
|
Glob { span: Span },
|
|
Name { name: Vec<u8>, span: Span },
|
|
List { names: Vec<(Vec<u8>, Span)> },
|
|
}
|
|
|
|
#[derive(Debug, Clone)]
|
|
pub struct ImportPatternHead {
|
|
pub name: Vec<u8>,
|
|
pub span: Span,
|
|
}
|
|
|
|
#[derive(Debug, Clone)]
|
|
pub struct ImportPattern {
|
|
pub head: ImportPatternHead,
|
|
pub members: Vec<ImportPatternMember>,
|
|
// communicate to eval which decls/aliases were hidden during `parse_hide()` so it does not
|
|
// interpret these as env var names:
|
|
pub hidden: HashSet<Vec<u8>>,
|
|
}
|
|
|
|
impl ImportPattern {
|
|
pub fn span(&self) -> Span {
|
|
let mut spans = vec![self.head.span];
|
|
|
|
for member in &self.members {
|
|
match member {
|
|
ImportPatternMember::Glob { span } => spans.push(*span),
|
|
ImportPatternMember::Name { name: _, span } => spans.push(*span),
|
|
ImportPatternMember::List { names } => {
|
|
for (_, span) in names {
|
|
spans.push(*span);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
span(&spans)
|
|
}
|
|
|
|
pub fn with_hidden(self, hidden: HashSet<Vec<u8>>) -> Self {
|
|
ImportPattern {
|
|
head: self.head,
|
|
members: self.members,
|
|
hidden,
|
|
}
|
|
}
|
|
}
|