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add variables to $scope (#3316)

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Darren Schroeder 2021-04-14 09:48:14 -05:00 committed by GitHub
parent ea0205f2ff
commit a148c640b2
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2 changed files with 15 additions and 1 deletions
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1
crates/nu-engine/src/evaluate/evaluator.rs
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@ -232,6 +232,7 @@ fn evaluate_reference(name: &str, ctx: &EvaluationContext, tag: Tag) -> Result<V
"$scope" => crate::evaluate::variables::scope(
&ctx.scope.get_aliases(),
&ctx.scope.get_commands(),
&ctx.scope.get_vars(),
tag,
),

15
crates/nu-engine/src/evaluate/variables.rs
View file

@ -2,7 +2,7 @@ use crate::{evaluate::scope::Scope, EvaluationContext};
use indexmap::IndexMap;
use nu_data::config::path::{default_history_path, history_path};
use nu_errors::ShellError;
use nu_protocol::{Signature, TaggedDictBuilder, UntaggedValue, Value};
use nu_protocol::{ShellTypeName, Signature, TaggedDictBuilder, UntaggedValue, Value};
use nu_source::{Spanned, Tag};
pub fn nu(
@ -84,6 +84,7 @@ pub fn nu(
pub fn scope(
aliases: &IndexMap<String, Vec<Spanned<String>>>,
commands: &IndexMap<String, Signature>,
variables: &IndexMap<String, Value>,
tag: impl Into<Tag>,
) -> Result<Value, ShellError> {
let tag = tag.into();
@ -109,9 +110,21 @@ pub fn scope(
commands_dict.insert_untagged(name, UntaggedValue::string(&signature.allowed().join(" ")))
}
let mut vars_dict = TaggedDictBuilder::new(&tag);
for (name, val) in variables.iter() {
let val_type = UntaggedValue::string(format!(
"{} ({})",
val.convert_to_string(),
ShellTypeName::type_name(&val.clone())
));
vars_dict.insert_value(name, val_type)
}
scope_dict.insert_value("aliases", aliases_dict.into_value());
scope_dict.insert_value("commands", commands_dict.into_value());
scope_dict.insert_value("variables", vars_dict.into_value());
Ok(scope_dict.into_value())
}