forked from extern/nushell
b2c5af457e
This improves incremental build time when working on what was previously the root package. For example, previously all plugins would be rebuilt with a change to `src/commands/classified/external.rs`, but now only `nu-cli` will have to be rebuilt (and anything that depends on it).
52 lines
1.2 KiB
Rust
52 lines
1.2 KiB
Rust
use crate::commands::WholeStreamCommand;
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use crate::prelude::*;
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use nu_errors::ShellError;
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use nu_protocol::{ReturnSuccess, Signature, UntaggedValue};
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pub struct Debug;
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#[derive(Deserialize)]
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pub struct DebugArgs {
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raw: bool,
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}
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impl WholeStreamCommand for Debug {
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fn name(&self) -> &str {
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"debug"
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}
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fn signature(&self) -> Signature {
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Signature::build("debug").switch("raw", "Prints the raw value representation.", Some('r'))
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}
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fn usage(&self) -> &str {
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"Print the Rust debug representation of the values"
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}
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fn run(
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&self,
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args: CommandArgs,
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registry: &CommandRegistry,
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) -> Result<OutputStream, ShellError> {
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args.process(registry, debug_value)?.run()
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}
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}
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fn debug_value(
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DebugArgs { raw }: DebugArgs,
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RunnableContext { input, .. }: RunnableContext,
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) -> Result<impl ToOutputStream, ShellError> {
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Ok(input
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.values
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.map(move |v| {
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if raw {
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ReturnSuccess::value(
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UntaggedValue::string(format!("{:#?}", v)).into_untagged_value(),
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)
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} else {
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ReturnSuccess::debug_value(v)
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}
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})
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.to_output_stream())
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}
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