git.delta.rocks / jrsonnet / refs/commits / a307cfd45f8d

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cmds/jsonnet/src/main.rs1.9 KiBsourcehistory
1use clap::Clap;2use jsonnet_evaluator::Val;34#[derive(Clap)]5#[clap(version = "0.1.0", author = "Lach <iam@lach.pw>")]6struct Opts {7	#[clap(about = "File to compile")]8	input: String,9	#[clap(long, about = "Disable global std variable")]10	no_stdlib: bool,11}1213fn main() {14	let opts: Opts = Opts::parse();15	let evaluator = jsonnet_evaluator::EvaluationState::default();16	if !opts.no_stdlib {17		evaluator.add_stdlib();18	}19	evaluator20		.add_file(21			opts.input.clone(),22			String::from_utf8(std::fs::read(opts.input.clone()).unwrap()).unwrap(),23		)24		.unwrap();25	let result = evaluator.evaluate_file(&opts.input);26	match result {27		Ok(v) => match v {28			Val::Str(s) => println!("{}", s),29			Val::Num(n) => println!("{}", n),30			_v => eprintln!(31				"jsonnet output is not a string.\nDid you forgot to set --format, or wrap your data with std.manifestJson?"32			),33		},34		Err(err) => {35			println!("Error: {:?}", err.0);36			use annotate_snippets::{37				display_list::{DisplayList, FormatOptions},38				snippet::{Annotation, AnnotationType, Slice, Snippet, SourceAnnotation},39			};40			for item in (err.1).0.iter() {41				let desc = &item.1;42				if (item.0).1.is_none() {43					continue;44				}45				let source = (item.0).1.clone().unwrap();46				let code = evaluator.get_source(&source.0);47				let snippet = Snippet {48					opt: FormatOptions {49						color: true,50						..Default::default()51					},52					title: Some(Annotation {53						label: Some(&item.1),54						id: None,55						annotation_type: AnnotationType::Error,56					}),57					footer: vec![],58					slices: vec![Slice {59						source: &code,60						line_start: 1,61						origin: Some(&source.0),62						fold: true,63						annotations: vec![SourceAnnotation {64							label: desc,65							annotation_type: AnnotationType::Error,66							range: (source.1, source.2),67						}],68					}],69				};7071				let dl = DisplayList::from(snippet);72				println!("{}", dl);73			}74		}75	}76}