refactor: switch to nom-based parser

Cargo.toml

@@ -57,7 +57,7 @@ sha3 = "0.10.8"
 # Source code parsing.
 # Jrsonnet has two parsers for jsonnet - one is for execution, and another is for better parsing diagnostics/lints/LSP.
 # First (and fast one) is based on peg, second is based on rowan.
-peg = "0.8.3"
+nom = "7.1.3"
 logos = "0.14.0"
 ungrammar = "1.16.1"
 rowan = "0.15.15"
@@ -69,7 +69,7 @@ tempfile = "3.10"
 pathdiff = "0.2.1"
 hashbrown = "0.14.5"
 static_assertions = "1.1"
-rustc-hash = "1.1"
+rustc-hash = "2.0"
 num-bigint = "0.4.5"
 derivative = "2.2.0"
 strsim = "0.11.0"
@@ -82,9 +82,6 @@ indexmap = "2.2.3"
 itertools = "0.13.0"
 xshell = "0.2.6"
 
-lsp-server = "0.7.6"
-lsp-types = "0.96.0"
-
 regex = "1.10"
 lru = "0.12.3"
 

cmds/jrsonnet/src/main.rs

@@ -1,6 +1,9 @@
+// #![cfg(feature = "nightly", feature(unix_sigpipe))]
+
 use std::{
 	fs::{create_dir_all, File},
 	io::{Read, Write},
+	path::PathBuf,
 };
 
 use clap::{CommandFactory, Parser};
@@ -11,6 +14,7 @@ use jrsonnet_evaluator::{
 	error::{Error as JrError, ErrorKind},
 	ResultExt, State, Val,
 };
+use jrsonnet_parser::Source;
 
 #[cfg(feature = "mimalloc")]
 #[global_allocator]
@@ -23,6 +27,11 @@ enum SubOpts {
 		/// Target shell name
 		shell: Shell,
 	},
+	Analyze {
+		#[command(flatten)]
+		stdlib: StdOpts,
+		file: PathBuf,
+	},
 }
 
 #[derive(Parser)]
@@ -87,7 +96,9 @@ struct Opts {
 	debug: DebugOpts,
 }
 
-// TODO: Add unix_sigpipe = "sig_dfl"
+// // Do not panic on pipe failure: https://github.com/rust-lang/rust/issues/97889
+// #[cfg(feature = "nightly", unix_sigpipe = "sig_dfl")]
+// Feature was replaced with compiler flag, which can't be feature-gated, thus recommended, but only enabled in nix flake based builds.
 fn main() {
 	let opts: Opts = Opts::parse();
 
@@ -105,6 +116,16 @@ fn main() {
 				generate(shell, app, "jrsonnet", buf);
 				std::process::exit(0)
 			}
+			SubOpts::Analyze { file, stdlib } => {
+				let content = std::fs::read_to_string(file).expect("read file failed");
+				let source = Source::new_virtual("name".into(), (&content).into());
+				let ast =
+					jrsonnet_parser::parse(&content, &jrsonnet_parser::ParserSettings { source })
+						.expect("parsed");
+				let ctx = stdlib.context_initializer().expect("ctx");
+				jrsonnet_evaluator::analyze_root(State::default(), &ast, ctx);
+				std::process::exit(0)
+			}
 		}
 	}
 

crates/jrsonnet-evaluator/Cargo.toml

@@ -61,3 +61,5 @@ hi-doc = { workspace = true, optional = true }
 num-bigint = { workspace = true, features = ["serde"], optional = true }
 derivative.workspace = true
 stacker = "0.1.15"
+smallvec = "1.13.2"
+drop_bomb.workspace = true