git.delta.rocks / jrsonnet / refs/heads / master

1use clap::{Parser, ValueEnum};2use jrsonnet_evaluator::trace::{CompactFormat, HiDocFormat, PathResolver, TraceFormat};34#[derive(PartialEq, Eq, ValueEnum, Clone)]5pub enum TraceFormatName {6	/// Only show `filename:line:column`7	Compact,8	/// Display source code with attached trace annotations9	Explaining,10	/// Trace formatting based on hi-doc library11	HiDoc,12}1314#[derive(Parser)]15#[clap(next_help_heading = "STACK TRACE VISUAL")]16pub struct TraceOpts {17	/// Format of stack traces' display in console.18	#[clap(long)]19	trace_format: Option<TraceFormatName>,20	/// Amount of stack trace elements to be displayed.21	/// If set to `0` then full stack trace will be displayed.22	#[clap(long, short = 't', default_value = "20")]23	max_trace: usize,24}25impl TraceOpts {26	pub fn trace_format(&self) -> Box<dyn TraceFormat> {27		let resolver = PathResolver::new_cwd_fallback();28		let max_trace = self.max_trace;29		let format: Box<dyn TraceFormat> = match self30			.trace_format31			.as_ref()32			.unwrap_or(&TraceFormatName::Compact)33		{34			TraceFormatName::Compact => Box::new(CompactFormat {35				resolver,36				padding: 4,37				max_trace,38			}),39			TraceFormatName::Explaining | TraceFormatName::HiDoc => Box::new(HiDocFormat {40				resolver,41				max_trace,42			}),43		};44		format45	}46}