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Better generic errors for plugins (and perhaps scripts) (#12236)

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# Description
This makes `LabeledError` much more capable of representing close to
everything a `miette::Diagnostic` can, including `ShellError`, and
allows plugins to generate multiple error spans, codes, help, etc.

`LabeledError` is now embeddable within `ShellError` as a transparent
variant.

This could also be used to improve `error make` and `try/catch` to
reflect `LabeledError` exactly in the future.

Also cleaned up some errors in existing plugins.

# User-Facing Changes
Breaking change for plugins. Nicer errors for users.
This commit is contained in:
Devyn Cairns
2024-03-21 04:27:21 -07:00
committed by GitHub
parent 8237d15683
commit efe25e3f58
42 changed files with 453 additions and 307 deletions
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6
crates/nu_plugin_custom_values/src/generate2.rs
View File

@ -1,7 +1,9 @@
use crate::{second_custom_value::SecondCustomValue, CustomValuePlugin};
use nu_plugin::{EngineInterface, EvaluatedCall, LabeledError, SimplePluginCommand};
use nu_protocol::{Category, PluginExample, PluginSignature, Span, SyntaxShape, Value};
use nu_plugin::{EngineInterface, EvaluatedCall, SimplePluginCommand};
use nu_protocol::{
Category, LabeledError, PluginExample, PluginSignature, Span, SyntaxShape, Value,
};
pub struct Generate2;