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Hide alias (#4432)

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* Add alias interning

Now, AliasId is used to reference aliases stored in EngineState, similar
to decls, blocks, etc.

* Fix wrong message

* Fix using decl instead of alias

* Extend also alias id visibility

* Merge also aliases from delta

* Add alias hiding code

Does not work yet but passes tests at least.

* Fix wrong alias lookup and visibility appending

* Add hide alias tests

* Fmt & Clippy

* Fix random clippy warnings in "which" command
This commit is contained in:
Jakub Žádník
2022-02-12 11:50:37 +02:00
committed by GitHub
parent fcc13224c1
commit 328f7e92a0
9 changed files with 378 additions and 57 deletions
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7
crates/nu-engine/src/eval.rs
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@ -945,9 +945,10 @@ pub fn eval_variable(
commands.push(Value::Record { cols, vals, span })
}
for alias in &frame.aliases {
for (alias_name, alias_id) in &frame.aliases {
let alias = engine_state.get_alias(*alias_id);
let mut alias_text = String::new();
for span in alias.1 {
for span in alias {
let contents = engine_state.get_span_contents(span);
if !alias_text.is_empty() {
alias_text.push(' ');
@ -956,7 +957,7 @@ pub fn eval_variable(
}
aliases.push((
Value::String {
val: String::from_utf8_lossy(alias.0).to_string(),
val: String::from_utf8_lossy(alias_name).to_string(),
span,
},
Value::string(alias_text, span),