git.delta.rocks / jrsonnet / refs/commits / 014057b0e966

difftreelog

feat(fmt) basic comment formatting in objects

Yaroslav Bolyukin2022-06-22parent: #b1b8b4c.patch.diff
in: master

21 files changed

deleted.cargo/configdiffbeforeafterboth
--- a/.cargo/config
+++ /dev/null
@@ -1,2 +0,0 @@
-[alias]
-xtask = "run --manifest-path ./xtask/Cargo.toml --"
added.cargo/config.tomldiffbeforeafterboth
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,2 @@
+[alias]
+xtask = "run --package xtask --bin xtask --"
modifiedcmds/jrsonnet-fmt/Cargo.tomldiffbeforeafterboth
--- a/cmds/jrsonnet-fmt/Cargo.toml
+++ b/cmds/jrsonnet-fmt/Cargo.toml
@@ -6,3 +6,5 @@
 [dependencies]
 dprint-core = "0.58.2"
 jrsonnet-rowan-parser = { path = "../../crates/jrsonnet-rowan-parser" }
+insta = "1.15"
+indoc = "1.0"
addedcmds/jrsonnet-fmt/src/children.rsdiffbeforeafterboth
--- /dev/null
+++ b/cmds/jrsonnet-fmt/src/children.rs
@@ -0,0 +1,168 @@
+use std::{fmt::Debug, marker::PhantomData, mem};
+
+use jrsonnet_rowan_parser::{
+	nodes::{Trivia, TriviaKind},
+	AstNode, AstToken, SyntaxElement,
+	SyntaxKind::*,
+	SyntaxNode, TS,
+};
+
+pub type ChildTrivia = Vec<Trivia>;
+
+pub struct ChildIterator<I, T> {
+	inner: I,
+	_marker: PhantomData<T>,
+}
+
+pub fn children_between<T: AstNode + Debug>(
+	node: SyntaxNode,
+	start: Option<&SyntaxElement>,
+	end: Option<&SyntaxElement>,
+) -> (Vec<Child<T>>, ChildTrivia) {
+	let mut iter = node.children_with_tokens().peekable();
+	while iter.peek() == start {
+		iter.next();
+	}
+	children(
+		iter.take_while(|i| Some(i) != end),
+		start.is_none() || end.is_none(),
+	)
+}
+
+pub fn should_start_with_newline(tt: &ChildTrivia) -> bool {
+	// First for previous item end
+	count_newlines_before(&tt) >= 2
+}
+
+fn count_newlines_before(tt: &ChildTrivia) -> usize {
+	let mut nl_count = 0;
+	for t in tt {
+		match t.kind() {
+			TriviaKind::Whitespace => {
+				nl_count += t.text().bytes().filter(|b| *b == b'\n').count();
+			}
+			_ => break,
+		}
+	}
+	nl_count
+}
+fn count_newlines_after(tt: &ChildTrivia) -> usize {
+	let mut nl_count = 0;
+	for t in tt.iter().rev() {
+		match t.kind() {
+			TriviaKind::Whitespace => {
+				nl_count += t.text().bytes().filter(|b| *b == b'\n').count();
+			}
+			TriviaKind::SingleLineHashComment => {
+				nl_count += 1;
+				break;
+			}
+			TriviaKind::SingleLineSlashComment => {
+				nl_count += 1;
+				break;
+			}
+			_ => {}
+		}
+	}
+	nl_count
+}
+
+pub fn children<'a, T: AstNode + Debug>(
+	items: impl Iterator<Item = SyntaxElement>,
+	loose: bool,
+) -> (Vec<Child<T>>, ChildTrivia) {
+	let mut out = Vec::new();
+	let mut current_child = None::<Child<T>>;
+	let mut next = ChildTrivia::new();
+	// Previous element ended, do not add more inline comments
+	let mut started_next = false;
+	let mut had_some = false;
+
+	for item in items {
+		if let Some(value) = item.as_node().cloned().and_then(T::cast) {
+			let before_trivia = mem::take(&mut next);
+			let last_child = current_child.replace(Child {
+				newlines_above: if had_some {
+					count_newlines_before(&before_trivia)
+						+ current_child
+							.as_ref()
+							.map(|c| count_newlines_after(&c.inline_trivia))
+							.unwrap_or_default()
+				} else {
+					0
+				},
+				before_trivia,
+				value,
+				inline_trivia: Vec::new(),
+			});
+			if let Some(last_child) = last_child {
+				out.push(last_child)
+			}
+			had_some = true;
+			started_next = false;
+		} else if let Some(trivia) = item.as_token().cloned().and_then(Trivia::cast) {
+			let is_single_line_comment = trivia.kind() == TriviaKind::SingleLineHashComment
+				|| trivia.kind() == TriviaKind::SingleLineSlashComment;
+			if started_next
+				|| current_child.is_none()
+				|| trivia.text().contains('\n') && !is_single_line_comment
+			{
+				next.push(trivia.clone());
+				started_next = true;
+			} else {
+				let cur = current_child.as_mut().expect("checked not none");
+				cur.inline_trivia.push(trivia);
+				if is_single_line_comment {
+					started_next = true;
+				}
+			}
+			had_some = true;
+		} else if loose {
+			if had_some {
+				break;
+			}
+			started_next = true;
+		} else {
+			assert!(
+				TS![, ;].contains(item.kind()) || item.kind() == ERROR,
+				"silently eaten token: {:?}",
+				item.kind()
+			)
+		}
+	}
+
+	if let Some(current_child) = current_child {
+		out.push(current_child);
+	}
+
+	(out, next)
+}
+
+#[derive(Debug)]
+pub struct Child<T> {
+	newlines_above: usize,
+	/// Comment before item, i.e
+	///
+	/// ```ignore
+	/// // Comment
+	/// item
+	/// ```
+	pub before_trivia: ChildTrivia,
+	pub value: T,
+	/// Comment after line, but located at same line
+	///
+	/// ```ignore
+	/// item1, // Inline comment
+	/// // Not inline comment
+	/// item2,
+	/// ```
+	pub inline_trivia: ChildTrivia,
+}
+
+impl<T> Child<T> {
+	/// If this child has two newlines above in source code, so it needs to have it in output
+	pub fn needs_newline_above(&self) -> bool {
+		// First line for end of previous item
+		self.newlines_above >= 2
+	}
+}
addedcmds/jrsonnet-fmt/src/comments.rsdiffbeforeafterboth
--- /dev/null
+++ b/cmds/jrsonnet-fmt/src/comments.rs
@@ -0,0 +1,159 @@
+use dprint_core::formatting::PrintItems;
+use jrsonnet_rowan_parser::{nodes::TriviaKind, AstToken};
+
+use crate::{children::ChildTrivia, p, pi};
+
+pub enum CommentLocation {
+	/// Above local, field, other things
+	AboveItem,
+	/// After item
+	ItemInline,
+	/// After all items in object
+	EndOfItems,
+}
+
+pub fn format_comments(comments: &ChildTrivia, loc: CommentLocation) -> PrintItems {
+	let mut pi = p!(new:);
+
+	for c in comments {
+		match c.kind() {
+			TriviaKind::Whitespace => {}
+			TriviaKind::MultiLineComment => {
+				let mut text = c
+					.text()
+					.strip_prefix("/*")
+					.expect("ml comment starts with /*")
+					.strip_suffix("*/")
+					.expect("ml comment ends with */");
+				// doc-style comment, /**
+				let doc = if text.starts_with('*') {
+					text = &text[1..];
+					true
+				} else {
+					false
+				};
+				// Is comment starts with text immediatly, i.e /*text
+				let mut immediate_start = true;
+				let mut lines = text
+					.split('\n')
+					.map(|l| l.trim_end())
+					.skip_while(|l| {
+						if l.is_empty() {
+							immediate_start = false;
+							true
+						} else {
+							false
+						}
+					})
+					.collect::<Vec<_>>();
+				while lines.last().map(|l| l.is_empty()).unwrap_or(false) {
+					lines.pop();
+				}
+				if lines.len() == 1 && !doc {
+					p!(pi: str("/* ") str(lines[0].trim()) str(" */") nl)
+				} else if !lines.is_empty() {
+					fn common_ws_prefix<'a>(a: &'a str, b: &str) -> &'a str {
+						let offset = a
+							.bytes()
+							.zip(b.bytes())
+							.take_while(|(a, b)| a == b && (a.is_ascii_whitespace() || *a == b'*'))
+							.count();
+						&a[..offset]
+					}
+					// First line is not empty, extract ws prefix of it
+					let mut common_ws_padding = if immediate_start && lines.len() > 1 {
+						common_ws_prefix(lines[1], lines[1])
+					} else {
+						common_ws_prefix(lines[0], lines[0])
+					};
+					for line in lines
+						.iter()
+						.skip(if immediate_start { 2 } else { 1 })
+						.filter(|l| !l.is_empty())
+					{
+						common_ws_padding = common_ws_prefix(common_ws_padding, line);
+					}
+					for line in lines
+						.iter_mut()
+						.skip(if immediate_start { 1 } else { 0 })
+						.filter(|l| !l.is_empty())
+					{
+						*line = line
+							.strip_prefix(common_ws_padding)
+							.expect("all non-empty lines start with this padding");
+					}
+
+					p!(pi: str("/*"));
+					if doc {
+						p!(pi: str("*"));
+					}
+					p!(pi: nl);
+					for mut line in lines {
+						if doc {
+							p!(pi: str(" *"));
+						}
+						if line.is_empty() {
+							p!(pi: nl);
+						} else {
+							if doc {
+								p!(pi: str(" "));
+							}
+							while let Some(new_line) = line.strip_prefix('\t') {
+								if doc {
+									p!(pi: str("    "));
+								} else {
+									p!(pi: tab);
+								}
+								line = new_line;
+							}
+							p!(pi: str(line) nl)
+						}
+					}
+					if doc {
+						p!(pi: str(" "));
+					}
+					p!(pi: str("*/") nl)
+				}
+			}
+			// TODO: Keep common padding for multiple continous lines of single-line comments
+			// I.e
+			// ```
+			// #  Line1
+			// #    Line2
+			// ```
+			// Should be reformatted as
+			// ```
+			// # Line1
+			// #   Line2
+			// ```
+			// But currently comment formatter is not aware of continous comment lines, and reformats it as
+			// ```
+			// # Line1
+			// # Line2
+			// ```
+			TriviaKind::SingleLineHashComment => {
+				if matches!(loc, CommentLocation::ItemInline) {
+					p!(pi: str(" "))
+				}
+				p!(pi: str("# ") str(c.text().strip_prefix('#').expect("hash comment starts with #").trim()));
+				if !matches!(loc, CommentLocation::ItemInline) {
+					p!(pi: nl)
+				}
+			}
+			TriviaKind::SingleLineSlashComment => {
+				if matches!(loc, CommentLocation::ItemInline) {
+					p!(pi: str(" "))
+				}
+				p!(pi: str("// ") str(c.text().strip_prefix("//").expect("comment starts with //").trim()));
+				if !matches!(loc, CommentLocation::ItemInline) {
+					p!(pi: nl)
+				}
+			}
+			// Garbage in - garbage out
+			TriviaKind::ErrorCommentTooShort => p!(pi: str("/*/")),
+			TriviaKind::ErrorCommentUnterminated => p!(pi: str(c.text())),
+		}
+	}
+
+	pi
+}
modifiedcmds/jrsonnet-fmt/src/main.rsdiffbeforeafterboth
--- a/cmds/jrsonnet-fmt/src/main.rs
+++ b/cmds/jrsonnet-fmt/src/main.rs
@@ -1,6 +1,7 @@
 use std::any::type_name;
 
-use dprint_core::formatting::{PrintItems, PrintOptions, Signal};
+use children::children_between;
+use dprint_core::formatting::{PrintItems, PrintOptions};
 use jrsonnet_rowan_parser::{
 	nodes::{
 		ArgsDesc, Assertion, BinaryOperator, Bind, CompSpec, Destruct, DestructArrayPart,
@@ -8,9 +9,19 @@
 		Member, Name, Number, ObjBody, ObjLocal, ParamsDesc, SliceDesc, SourceFile, Text,
 		UnaryOperator,
 	},
-	AstToken, SyntaxToken,
+	AstNode, AstToken, SyntaxToken,
 };
 
+use crate::{
+	children::should_start_with_newline,
+	comments::{format_comments, CommentLocation},
+};
+
+mod children;
+mod comments;
+#[cfg(test)]
+mod tests;
+
 pub trait Printable {
 	fn print(&self) -> PrintItems;
 }
@@ -18,7 +29,7 @@
 macro_rules! pi {
 	(@i; $($t:tt)*) => {{
 		#[allow(unused_mut)]
-		let mut o = PrintItems::new();
+		let mut o = dprint_core::formatting::PrintItems::new();
 		pi!(@s; o: $($t)*);
 		o
 	}};
@@ -27,21 +38,29 @@
 		pi!(@s; $o: $($t)*);
 	}};
 	(@s; $o:ident: nl $($t:tt)*) => {{
-		$o.push_signal(Signal::NewLine);
+		$o.push_signal(dprint_core::formatting::Signal::NewLine);
 		pi!(@s; $o: $($t)*);
 	}};
+	(@s; $o:ident: tab $($t:tt)*) => {{
+		$o.push_signal(dprint_core::formatting::Signal::Tab);
+		pi!(@s; $o: $($t)*);
+	}};
 	(@s; $o:ident: >i $($t:tt)*) => {{
-		$o.push_signal(Signal::StartIndent);
+		$o.push_signal(dprint_core::formatting::Signal::StartIndent);
 		pi!(@s; $o: $($t)*);
 	}};
 	(@s; $o:ident: <i $($t:tt)*) => {{
-		$o.push_signal(Signal::FinishIndent);
+		$o.push_signal(dprint_core::formatting::Signal::FinishIndent);
 		pi!(@s; $o: $($t)*);
 	}};
 	(@s; $o:ident: {$expr:expr} $($t:tt)*) => {{
 		$o.extend($expr.print());
 		pi!(@s; $o: $($t)*);
 	}};
+	(@s; $o:ident: items($expr:expr) $($t:tt)*) => {{
+		$o.extend($expr);
+		pi!(@s; $o: $($t)*);
+	}};
 	(@s; $o:ident: if ($e:expr)($($then:tt)*) $($t:tt)*) => {{
 		if $e {
 			pi!(@s; $o: $($then)*);
@@ -66,6 +85,8 @@
 		pi!(@s; $o: $($t)*)
 	};
 }
+pub(crate) use p;
+pub(crate) use pi;
 
 impl<P> Printable for Option<P>
 where
@@ -266,9 +287,18 @@
 		match self {
 			ObjBody::ObjBodyComp(_) => todo!(),
 			ObjBody::ObjBodyMemberList(l) => {
-				let mut pi = p!(new:);
-				for mem in l.members() {
-					match mem {
+				let mut pi = p!(new: str("{") >i nl);
+				let (children, end_comments) = children_between::<Member>(
+					l.syntax().clone(),
+					l.l_brace_token().map(Into::into).as_ref(),
+					l.r_brace_token().map(Into::into).as_ref(),
+				);
+				for mem in children.into_iter() {
+					if mem.needs_newline_above() {
+						p!(pi: nl);
+					}
+					p!(pi: items(format_comments(&mem.before_trivia, CommentLocation::AboveItem)));
+					match mem.value {
 						Member::MemberBindStmt(b) => {
 							p!(pi: {b.obj_local()})
 						}
@@ -279,8 +309,17 @@
 							p!(pi: {f.field()})
 						}
 					}
-					p!(pi: str(",") nl)
+					p!(pi: str(","));
+					p!(pi: items(format_comments(&mem.inline_trivia, CommentLocation::ItemInline)));
+					p!(pi: nl)
 				}
+
+				// TODO: implement same thing as needs_newline_above, but for end comments
+				if should_start_with_newline(&end_comments) {
+					p!(pi: nl);
+				}
+				p!(pi: items(format_comments(&end_comments, CommentLocation::EndOfItems)));
+				p!(pi: <i str("}"));
 				pi
 			}
 		}
@@ -382,7 +421,7 @@
 				pi
 			}
 			Expr::ExprObject(o) => {
-				p!(new: str("{") >i nl {o.obj_body()} <i str("}"))
+				p!(new: {o.obj_body()})
 			}
 			Expr::ExprArrayComp(arr) => {
 				let mut pi = p!(new: str("[") {arr.expr()});
@@ -485,6 +524,47 @@
 		  ],
 		  m: a[1::],
 		  m: b[::],
+
+		  comments: {
+			_: '',
+			//     Plain comment
+			a: '',
+
+			#    Plain comment with empty line before
+			b: '',
+			/*Single-line multiline comment
+
+			*/
+			c: '',
+
+			/**Single-line multiline doc comment
+
+			*/
+			c: '',
+
+			/**multiline doc comment
+			s
+			*/
+			c: '',
+
+			/*
+
+	Multi-line
+
+	comment
+			*/
+			d: '',
+
+			e: '', // Inline comment
+
+			k: '',
+
+			// Text after everything
+		  },
+		  comments2: {
+			k: '',
+			// Text after everything, but no newline above
+		  },
 		  k: if a         == b    then
 
 
addedcmds/jrsonnet-fmt/src/snapshots/jrsonnet_fmt__tests__complex_comments_snapshot.snapdiffbeforeafterboth
--- /dev/null
+++ b/cmds/jrsonnet-fmt/src/snapshots/jrsonnet_fmt__tests__complex_comments_snapshot.snap
@@ -0,0 +1,53 @@
+---
+source: cmds/jrsonnet-fmt/src/tests.rs
+expression: "reformat(indoc!(\"{\n\t\t  comments: {\n\t\t\t_: '',\n\t\t\t//     Plain comment\n\t\t\ta: '',\n\n\t\t\t#    Plain comment with empty line before\n\t\t\tb: '',\n\t\t\t/*Single-line multiline comment\n\n\t\t\t*/\n\t\t\tc: '',\n\n\t\t\t/**Single-line multiline doc comment\n\n\t\t\t*/\n\t\t\tc: '',\n\n\t\t\t/**Multiline doc\n\t\t\tComment\n\t\t\t*/\n\t\t\tc: '',\n\n\t\t\t/*\n\n\tMulti-line\n\n\tcomment\n\t\t\t*/\n\t\t\td: '',\n\n\t\t\te: '', // Inline comment\n\n\t\t\tk: '',\n\n\t\t\t// Text after everything\n\t\t  },\n\t\t  comments2: {\n\t\t\tk: '',\n\t\t\t// Text after everything, but no newline above\n\t\t  },\n          spacing: {\n            a: '',\n\n            b: '',\n          },\n          noSpacing: {\n            a: '',\n            b: '',\n          },\n        }\"))"
+---
+{
+  comments: {
+    _: '',
+    // Plain comment
+    a: '',
+
+    # Plain comment with empty line before
+    b: '',
+    /* Single-line multiline comment */
+    c: '',
+
+    /**
+     * Single-line multiline doc comment
+     */
+    c: '',
+
+    /**
+     * Multiline doc
+     * Comment
+     */
+    c: '',
+
+    /*
+    Multi-line
+
+    comment
+    */
+    d: '',
+
+    e: '', // Inline comment
+
+    k: '',
+
+    // Text after everything
+  },
+  comments2: {
+    k: '',
+    // Text after everything, but no newline above
+  },
+  spacing: {
+    a: '',
+
+    b: '',
+  },
+  noSpacing: {
+    a: '',
+    b: '',
+  },
+}
addedcmds/jrsonnet-fmt/src/tests.rsdiffbeforeafterboth
--- /dev/null
+++ b/cmds/jrsonnet-fmt/src/tests.rs
@@ -0,0 +1,124 @@
+use dprint_core::formatting::PrintOptions;
+use indoc::indoc;
+
+use crate::Printable;
+
+fn reformat(input: &str) -> String {
+	let (source, _) = jrsonnet_rowan_parser::parse(input);
+
+	dprint_core::formatting::format(
+		|| source.print(),
+		PrintOptions {
+			indent_width: 2,
+			max_width: 100,
+			use_tabs: false,
+			new_line_text: "\n",
+		},
+	)
+}
+
+macro_rules! assert_formatted {
+	($input:literal, $output:literal) => {
+		let formatted = reformat(indoc!($input));
+		let expected = indoc!($output);
+		if formatted != expected {
+			panic!(
+				"bad formatting, expected\n```\n{formatted}\n```\nto be equal to\n```\n{expected}\n```",
+			)
+		}
+	};
+}
+
+#[test]
+fn padding_stripped_for_multiline_comment() {
+	assert_formatted!(
+		"{
+            /*
+                Hello
+                    World
+            */
+            _: null,
+        }",
+		"{
+          /*
+          Hello
+              World
+          */
+          _: null,
+        }"
+	);
+}
+
+// Fails
+#[test]
+fn last_comment_respects_spacing_with_inline_comment_above() {
+	assert_formatted!(
+		"{
+			a: '', // Inline
+
+			// Comment
+        }",
+		"{
+		  a: '', // Inline
+
+		  // Comment
+		}"
+	);
+}
+
+#[test]
+fn complex_comments_snapshot() {
+	insta::assert_display_snapshot!(reformat(indoc!(
+		"{
+		  comments: {
+			_: '',
+			//     Plain comment
+			a: '',
+
+			#    Plain comment with empty line before
+			b: '',
+			/*Single-line multiline comment
+
+			*/
+			c: '',
+
+			/**Single-line multiline doc comment
+
+			*/
+			c: '',
+
+			/**Multiline doc
+			Comment
+			*/
+			c: '',
+
+			/*
+
+	Multi-line
+
+	comment
+			*/
+			d: '',
+
+			e: '', // Inline comment
+
+			k: '',
+
+			// Text after everything
+		  },
+		  comments2: {
+			k: '',
+			// Text after everything, but no newline above
+		  },
+          spacing: {
+            a: '',
+
+            b: '',
+          },
+          noSpacing: {
+            a: '',
+            b: '',
+          },
+        }"
+	)))
+}
addedcmds/jrsonnet-lsp/Cargo.tomldiffbeforeafterboth
--- /dev/null
+++ b/cmds/jrsonnet-lsp/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "jrsonnet-lsp"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+anyhow = "1.0.48"
+jrsonnet-evaluator = { path = "../../crates/jrsonnet-evaluator" }
+jrsonnet-rowan-parser = { path = "../../crates/jrsonnet-rowan-parser" }
+lsp-server = "0.6.0"
+lsp-types = "0.93.0"
+serde = "1.0.130"
+serde_json = "1.0.71"
addedcmds/jrsonnet-lsp/src/main.rsdiffbeforeafterboth
--- /dev/null
+++ b/cmds/jrsonnet-lsp/src/main.rs
@@ -0,0 +1,188 @@
+use std::{fs::File, io::Write, path::PathBuf, str::FromStr};
+
+use lsp_server::{Connection, ErrorCode, Message, Request, RequestId, Response};
+use lsp_types::{
+	notification::{DidChangeTextDocument, DidOpenTextDocument, Notification},
+	request::{DocumentLinkRequest, HoverRequest},
+	CompletionOptions, DidChangeTextDocumentParams, DidOpenTextDocumentParams, DocumentLink,
+	DocumentLinkOptions, ServerCapabilities, TextDocumentSyncCapability, TextDocumentSyncKind,
+	TextDocumentSyncOptions, Url, WorkDoneProgressOptions,
+};
+
+fn main() {
+	let mut log = File::create("test").unwrap();
+	writeln!(log, "start").unwrap();
+	let (connection, io_threads) = Connection::stdio();
+	let capabilities = serde_json::to_value(&ServerCapabilities {
+		completion_provider: Some(CompletionOptions::default()),
+		definition_provider: Some(lsp_types::OneOf::Left(true)),
+		document_link_provider: Some(DocumentLinkOptions {
+			resolve_provider: Some(false),
+			work_done_progress_options: WorkDoneProgressOptions::default(),
+		}),
+		hover_provider: Some(lsp_types::HoverProviderCapability::Simple(true)),
+		text_document_sync: Some(TextDocumentSyncCapability::Options(
+			TextDocumentSyncOptions {
+				change: Some(TextDocumentSyncKind::FULL),
+				open_close: Some(true),
+				..TextDocumentSyncOptions::default()
+			},
+		)),
+		..ServerCapabilities::default()
+	})
+	.expect("failed to convert capabilities to json");
+
+	connection
+		.initialize(capabilities)
+		.expect("failed to initialize connection");
+
+	writeln!(log, "initialized").unwrap();
+
+	main_loop(&mut log, &connection).expect("main loop failed");
+
+	io_threads.join().expect("failed to join io_threads");
+}
+fn main_loop(log: &mut File, connection: &Connection) -> anyhow::Result<()> {
+	// let mut es = EvaluationState::default();
+	// es.set_import_resolver(Box::new(FileImportResolver::default()));
+
+	let reply = |response: Response| {
+		connection
+			.sender
+			.send(Message::Response(response))
+			.expect("failed to respond");
+	};
+
+	for msg in &connection.receiver {
+		match msg {
+			Message::Response(_) => (),
+			Message::Request(req) => {
+				if connection.handle_shutdown(&req)? {
+					return Ok(());
+				}
+				if let Some((id, params)) = cast::<DocumentLinkRequest>(&req) {
+					reply(Response::new_ok(id, <Vec<DocumentLink>>::new()));
+				} else if let Some((id, params)) = cast::<HoverRequest>(&req) {
+					let pos = params
+						.text_document_position_params
+						.text_document
+						.uri
+						.path();
+					let buf = PathBuf::from_str(pos).unwrap();
+				// let pos = es
+				// 	.map_from_source_location(
+				// 		&buf,
+				// 		params.text_document_position_params.position.line as usize + 1,
+				// 		params.text_document_position_params.position.character as usize + 1,
+				// 	)
+				// 	.unwrap();
+				// let el = ExprLocation(buf.clone().into(), pos as usize, pos as usize);
+				// let es2 = es.clone();
+				// reply(Response::new_ok(
+				// 	id,
+				// 	Some(Hover {
+				// 		range: None,
+				// 		contents: HoverContents::Markup(MarkupContent {
+				// 			kind: MarkupKind::Markdown,
+				// 			value: es
+				// 				.run_in_state_with_breakpoint(el, move || {
+				// 					es2.reset_evaluation_state(&buf);
+				// 					es2.import_file(&PathBuf::new(), &buf)?
+				// 						.to_string()
+				// 						.map(|_| ())
+				// 				})
+				// 				.unwrap()
+				// 				.unwrap_or_else(|| Val::Null)
+				// 				.value_type()
+				// 				.to_string(),
+				// 		}),
+				// 	}),
+				// ));
+				} else {
+					reply(Response::new_err(
+						req.id,
+						ErrorCode::MethodNotFound as i32,
+						format!("unrecognized request {}", req.method),
+					))
+				}
+				/*
+				if let Some((id, params)) = cast::<DocumentLinkRequest>(&req) {
+					 let links = handle_links(&files, params).unwrap_or_default();
+					 reply(Response::new_ok(id, links));
+				} else if let Some((id, params)) = cast::<GotoDefinition>(&req) {
+					 if let Some(loc) = handle_goto(&files, params) {
+						  reply(Response::new_ok(id, loc))
+					 } else {
+						  reply(Response::new_ok(id, ()))
+					 }
+				} else if let Some((id, params)) = cast::<HoverRequest>(&req) {
+					 match handle_hover(&files, params) {
+						  Some((range, markdown)) => {
+								reply(Response::new_ok(
+									 id,
+									 Hover {
+										  contents: HoverContents::Markup(MarkupContent {
+												kind: MarkupKind::Markdown,
+												value: markdown,
+										  }),
+										  range,
+									 },
+								));
+						  }
+						  None => {
+								reply(Response::new_ok(id, ()));
+						  }
+					 }
+				} else if let Some((id, params)) = cast::<Completion>(&req) {
+					 let completions = handle_completion(&files, params.text_document_position)
+						  .unwrap_or_default();
+					 reply(Response::new_ok(id, completions));
+				} else
+				*/
+			}
+			Message::Notification(req) => {
+				let mut handle = |text: String, uri: Url| {
+					writeln!(log, "updated file: {:?}", uri).unwrap();
+					let path = match PathBuf::from_str(uri.path()) {
+						Ok(x) => x,
+						Err(_) => return,
+					};
+					let (ast, errors) = jrsonnet_rowan_parser::parse(&text);
+					// es.add_parsed_file(path.into(), text.into(), parsed)
+					// 	.unwrap();
+					writeln!(log, "parsed: {:?}", uri).unwrap();
+				};
+
+				match &*req.method {
+					DidOpenTextDocument::METHOD => {
+						let params: DidOpenTextDocumentParams =
+							match serde_json::from_value(req.params) {
+								Ok(x) => x,
+								Err(_) => continue,
+							};
+						handle(params.text_document.text, params.text_document.uri);
+					}
+					DidChangeTextDocument::METHOD => {
+						let params: DidChangeTextDocumentParams =
+							match serde_json::from_value(req.params) {
+								Ok(x) => x,
+								Err(_) => continue,
+							};
+						for change in params.content_changes.into_iter() {
+							handle(change.text, params.text_document.uri.clone());
+						}
+					}
+					_ => continue,
+				}
+			}
+		}
+	}
+	Ok(())
+}
+fn cast<R>(req: &Request) -> Option<(RequestId, R::Params)>
+where
+	R: lsp_types::request::Request,
+	R::Params: serde::de::DeserializeOwned,
+{
+	req.clone().extract(R::METHOD).ok()
+}
modifiedcrates/jrsonnet-rowan-parser/Cargo.tomldiffbeforeafterboth
--- a/crates/jrsonnet-rowan-parser/Cargo.toml
+++ b/crates/jrsonnet-rowan-parser/Cargo.toml
@@ -4,19 +4,19 @@
 edition = "2021"
 
 [dependencies]
-anyhow = "1.0.51"
+anyhow = "1.0"
 backtrace = "0.3.63"
 drop_bomb = "0.1.5"
-indoc = "1.0.3"
-logos = "0.12.0"
-miette = { version = "4.2.1", features = ["fancy"] }
-rowan = "0.15.0"
-text-size = "1.1.0"
-thiserror = "1.0.30"
+indoc = "1.0"
+logos = "0.12"
+miette = { version = "4.2", features = ["fancy"] }
+rowan = "0.15"
+text-size = "1.1"
+thiserror = "1.0"
 
 [dev-dependencies]
 backtrace = "0.3.63"
-indoc = "1.0.3"
-insta = "1.10.0"
-anyhow = "1.0.57"
+indoc = "1.0"
+insta = "1.15"
+anyhow = "1.0"
 jrsonnet-stdlib = { path = "../jrsonnet-stdlib" }
modifiedcrates/jrsonnet-rowan-parser/jsonnet.ungramdiffbeforeafterboth
--- a/crates/jrsonnet-rowan-parser/jsonnet.ungram
+++ b/crates/jrsonnet-rowan-parser/jsonnet.ungram
@@ -56,9 +56,7 @@
     (Expr (',' Expr)* ','?)?
     ']'
 ExprObject =
-    '{'
     ObjBody
-    '}'
 ExprArrayComp =
     '['
     Expr
@@ -168,6 +166,7 @@
     (name:Name '=')? Expr
 
 ObjBodyComp =
+    '{'
     pre:ObjLocalPostComma*
     '['
     key:LhsExpr
@@ -177,8 +176,11 @@
     value:Expr
     post:ObjLocalPreComma*
     CompSpec*
+    '}'
 ObjBodyMemberList =
+    '{'
     (Member (',' Member)* ','?)?
+    '}'
 ObjBody =
     ObjBodyComp
 |   ObjBodyMemberList
modifiedcrates/jrsonnet-rowan-parser/src/event.rsdiffbeforeafterboth
--- a/crates/jrsonnet-rowan-parser/src/event.rs
+++ b/crates/jrsonnet-rowan-parser/src/event.rs
@@ -24,6 +24,10 @@
 	Token {
 		kind: SyntaxKind,
 	},
+	/// Push token, but do not eat anything,
+	VirtualToken {
+		kind: SyntaxKind,
+	},
 	/// Position of finished node
 	Finish {
 		/// Same as forward_parent of Start, but for wrapping
@@ -105,6 +109,13 @@
 					self.token(kind);
 					eat_start_whitespace = true;
 				}
+				Event::VirtualToken { kind } => {
+					if eat_start_whitespace {
+						self.skip_whitespace();
+					}
+					self.virtual_token(kind);
+					eat_start_whitespace = false;
+				}
 				Event::Finish { wrapper } => {
 					self.builder.finish_node();
 					depth -= 1;
@@ -124,7 +135,7 @@
 					}
 					eat_start_whitespace = true;
 				}
-				Event::Pending => panic!("placeholder should not end in events"),
+				Event::Pending => panic!("pending event should not appear in finished events"),
 				Event::Noop => {}
 				Event::Error(e) => {
 					self.errors.push(e);
@@ -137,6 +148,9 @@
 			errors: self.errors,
 		}
 	}
+	fn virtual_token(&mut self, kind: SyntaxKind) {
+		self.builder.token(JsonnetLanguage::kind_to_raw(kind), "")
+	}
 	fn token(&mut self, kind: SyntaxKind) {
 		let lexeme = self.lexemes[self.offset];
 		self.builder
modifiedcrates/jrsonnet-rowan-parser/src/generated/nodes.rsdiffbeforeafterboth
--- a/crates/jrsonnet-rowan-parser/src/generated/nodes.rs
+++ b/crates/jrsonnet-rowan-parser/src/generated/nodes.rs
@@ -291,15 +291,9 @@
 	pub(crate) syntax: SyntaxNode,
 }
 impl ExprObject {
-	pub fn l_brace_token(&self) -> Option<SyntaxToken> {
-		support::token(&self.syntax, T!['{'])
-	}
 	pub fn obj_body(&self) -> Option<ObjBody> {
 		support::child(&self.syntax)
 	}
-	pub fn r_brace_token(&self) -> Option<SyntaxToken> {
-		support::token(&self.syntax, T!['}'])
-	}
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
@@ -538,6 +532,9 @@
 	pub(crate) syntax: SyntaxNode,
 }
 impl ObjBodyComp {
+	pub fn l_brace_token(&self) -> Option<SyntaxToken> {
+		support::token(&self.syntax, T!['{'])
+	}
 	pub fn pre(&self) -> AstChildren<ObjLocalPostComma> {
 		support::children(&self.syntax)
 	}
@@ -565,6 +562,9 @@
 	pub fn comp_specs(&self) -> AstChildren<CompSpec> {
 		support::children(&self.syntax)
 	}
+	pub fn r_brace_token(&self) -> Option<SyntaxToken> {
+		support::token(&self.syntax, T!['}'])
+	}
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
@@ -598,9 +598,15 @@
 	pub(crate) syntax: SyntaxNode,
 }
 impl ObjBodyMemberList {
+	pub fn l_brace_token(&self) -> Option<SyntaxToken> {
+		support::token(&self.syntax, T!['{'])
+	}
 	pub fn members(&self) -> AstChildren<Member> {
 		support::children(&self.syntax)
 	}
+	pub fn r_brace_token(&self) -> Option<SyntaxToken> {
+		support::token(&self.syntax, T!['}'])
+	}
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
modifiedcrates/jrsonnet-rowan-parser/src/lib.rsdiffbeforeafterboth
--- a/crates/jrsonnet-rowan-parser/src/lib.rs
+++ b/crates/jrsonnet-rowan-parser/src/lib.rs
@@ -1,5 +1,11 @@
 #![deny(unused_must_use)]
 
+use event::Sink;
+use generated::nodes::{SourceFile, Trivia};
+use lex::lex;
+use parser::{Parser, SyntaxError};
+pub use rowan;
+
 mod ast;
 mod event;
 mod generated;
@@ -13,18 +19,18 @@
 mod token_set;
 
 pub use ast::{AstChildren, AstNode, AstToken};
-use event::Sink;
-use generated::nodes::SourceFile;
 pub use generated::{nodes, syntax_kinds::SyntaxKind};
-pub use language::{
-	JsonnetLanguage, PreorderWithTokens, SyntaxElement, SyntaxElementChildren, SyntaxNode,
-	SyntaxNodeChildren, SyntaxToken,
-};
-use lex::lex;
-use parser::{Parser, SyntaxError};
+pub use language::*;
+pub use token_set::SyntaxKindSet;
+
 pub fn parse(input: &str) -> (SourceFile, Vec<SyntaxError>) {
 	let lexemes = lex(input);
-	let parser = Parser::new(&lexemes);
+	let kinds = lexemes
+		.iter()
+		.map(|l| l.kind)
+		.filter(|k| !Trivia::can_cast(*k))
+		.collect();
+	let parser = Parser::new(kinds);
 	let events = parser.parse();
 	let sink = Sink::new(events, &lexemes);
 
modifiedcrates/jrsonnet-rowan-parser/src/marker.rsdiffbeforeafterboth
--- a/crates/jrsonnet-rowan-parser/src/marker.rs
+++ b/crates/jrsonnet-rowan-parser/src/marker.rs
@@ -113,21 +113,3 @@
 		completed
 	}
 }
-
-pub trait AsRange {
-	fn as_range(&self, p: &Parser) -> TextRange;
-	fn end_token(&self) -> usize;
-}
-
-impl AsRange for FinishedRanger {
-	fn as_range(&self, p: &Parser) -> TextRange {
-		TextRange::new(
-			p.start_of_token(self.start_token),
-			p.end_of_token(self.end_token),
-		)
-	}
-
-	fn end_token(&self) -> usize {
-		self.end_token
-	}
-}
modifiedcrates/jrsonnet-rowan-parser/src/parser.rsdiffbeforeafterboth
before · crates/jrsonnet-rowan-parser/src/parser.rs
1use std::{cell::Cell, fmt::Display, rc::Rc};23use miette::{LabeledSpan, SourceOffset, SourceSpan};4use rowan::{GreenNode, TextRange, TextSize};56use crate::{7	event::Event,8	lex::Lexeme,9	marker::{AsRange, CompletedMarker, Marker, Ranger},10	nodes::{BinaryOperatorKind, Literal, Number, Text, Trivia, UnaryOperatorKind},11	token_set::SyntaxKindSet,12	AstToken, SyntaxKind,13	SyntaxKind::*,14	SyntaxNode, T, TS,15};1617pub struct Parse {18	pub green_node: GreenNode,19	pub errors: Vec<SyntaxError>,20}2122#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]23pub enum ExpectedSyntax {24	Named(&'static str),25	Unnamed(SyntaxKind),26}27impl Display for ExpectedSyntax {28	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {29		match self {30			ExpectedSyntax::Named(n) => write!(f, "{}", n),31			ExpectedSyntax::Unnamed(u) => write!(f, "{:?}", u),32		}33	}34}3536pub struct Parser<'i> {37	// TODO: remove all trivia before feeding to parser?38	lexemes: &'i [Lexeme<'i>],39	pub offset: usize,40	pub events: Vec<Event>,41	pub entered: u32,42	pub hints: Vec<(u32, TextRange, String)>,43	pub last_error_token: usize,44	expected_syntax: Option<ExpectedSyntax>,45	expected_syntax_tracking_state: Rc<Cell<ExpectedSyntaxTrackingState>>,46	steps: Cell<u64>,47}4849const DEFAULT_RECOVERY_SET: SyntaxKindSet = TS![];5051#[derive(Clone, Debug, PartialEq, Eq)]52pub enum SyntaxError {53	Unexpected {54		expected: ExpectedSyntax,55		found: SyntaxKind,56		range: TextRange,57	},58	Missing {59		expected: ExpectedSyntax,60		offset: TextSize,61	},62	Custom {63		error: String,64		range: TextRange,65	},66	Hint {67		error: String,68		range: TextRange,69	},70}7172impl From<SyntaxError> for LabeledSpan {73	fn from(val: SyntaxError) -> Self {74		match val {75			SyntaxError::Unexpected {76				expected,77				found,78				range,79			} => LabeledSpan::new_with_span(80				Some(format!("expected {}, found {:?}", expected, found)),81				SourceSpan::new(82					SourceOffset::from(usize::from(range.start())),83					SourceOffset::from(usize::from(range.end() - range.start())),84				),85			),86			SyntaxError::Missing { expected, offset } => LabeledSpan::new_with_span(87				Some(format!("missing {}", expected)),88				SourceSpan::new(89					SourceOffset::from(usize::from(offset)),90					SourceOffset::from(0),91				),92			),93			SyntaxError::Custom { error, range } | SyntaxError::Hint { error, range } => {94				LabeledSpan::new_with_span(95					Some(error),96					SourceSpan::new(97						SourceOffset::from(usize::from(range.start())),98						SourceOffset::from(usize::from(range.end() - range.start())),99					),100				)101			}102		}103	}104}105106impl<'i> Parser<'i> {107	pub fn new(lexemes: &'i [Lexeme<'i>]) -> Self {108		Self {109			lexemes,110			offset: 0,111			events: vec![],112			entered: 0,113			last_error_token: 0,114			hints: vec![],115			expected_syntax: None,116			expected_syntax_tracking_state: Rc::new(Cell::new(117				ExpectedSyntaxTrackingState::Unnamed,118			)),119			steps: Cell::new(0),120		}121	}122	pub fn clear_outdated_hints(&mut self) {123		let amount = self124			.hints125			.iter()126			.rev()127			.take_while(|h| h.0 > self.entered)128			.count();129		self.hints.truncate(self.hints.len() - amount)130	}131	fn clear_expected_syntaxes(&mut self) {132		self.expected_syntax = None;133		self.expected_syntax_tracking_state134			.set(ExpectedSyntaxTrackingState::Unnamed);135	}136	pub fn start(&mut self) -> Marker {137		self.skip_trivia();138		let start_event_idx = self.events.len();139		self.events.push(Event::Pending);140		self.entered += 1;141		Marker::new(start_event_idx)142	}143	pub fn start_ranger(&mut self) -> Ranger {144		self.skip_trivia();145		let pos = self.offset;146		Ranger { pos }147	}148	pub fn parse(mut self) -> Vec<Event> {149		let m = self.start();150		expr(&mut self);151		self.expect(EOF);152		m.complete(&mut self, SOURCE_FILE);153154		self.events155	}156157	pub(crate) fn expect(&mut self, kind: SyntaxKind) {158		self.expect_with_recovery_set(kind, TS![])159	}160161	pub(crate) fn expect_with_recovery_set(162		&mut self,163		kind: SyntaxKind,164		recovery_set: SyntaxKindSet,165	) {166		if self.at(kind) {167			if kind != EOF {168				self.bump();169			}170		} else {171			self.error_with_recovery_set(recovery_set);172		}173	}174175	pub(crate) fn expect_with_no_skip(&mut self, kind: SyntaxKind) {176		if self.at(kind) {177			self.bump();178		} else {179			self.error_with_no_skip();180		}181	}182	fn current_token(&self) -> Lexeme<'i> {183		self.lexemes[self.offset]184	}185	fn previous_token(&mut self) -> Option<Lexeme<'i>> {186		if self.offset == 0 {187			return None;188		}189		let mut previous_token_idx = self.offset - 1;190		while self191			.lexemes192			.get(previous_token_idx)193			.map_or(false, |l| Trivia::can_cast(l.kind))194			&& previous_token_idx != 0195		{196			previous_token_idx -= 1;197		}198199		Some(self.lexemes[previous_token_idx])200	}201	pub fn start_of_token(&self, mut idx: usize) -> TextSize {202		while Trivia::can_cast(self.lexemes[idx].kind) {203			idx += 1;204		}205		self.lexemes[idx].range.start()206	}207	pub fn end_of_token(&self, mut idx: usize) -> TextSize {208		while Trivia::can_cast(self.lexemes[idx].kind) {209			idx -= 1;210		}211		self.lexemes[idx].range.end()212	}213	pub(crate) fn custom_error(&mut self, marker: impl AsRange, error: impl AsRef<str>) {214		self.last_error_token = marker.end_token();215		self.events.push(Event::Error(SyntaxError::Custom {216			error: error.as_ref().to_string(),217			range: marker.as_range(self),218		}));219	}220	pub(crate) fn error_with_recovery_set(221		&mut self,222		recovery_set: SyntaxKindSet,223	) -> Option<CompletedMarker> {224		self.error_with_recovery_set_no_default(recovery_set.union(DEFAULT_RECOVERY_SET))225	}226	pub fn error_with_no_skip(&mut self) -> Option<CompletedMarker> {227		self.error_with_recovery_set_no_default(SyntaxKindSet::ALL)228	}229230	pub fn error_with_recovery_set_no_default(231		&mut self,232		recovery_set: SyntaxKindSet,233	) -> Option<CompletedMarker> {234		let expected_syntax = self235			.expected_syntax236			.take()237			.unwrap_or(ExpectedSyntax::Named("unknown"));238		self.expected_syntax_tracking_state239			.set(ExpectedSyntaxTrackingState::Unnamed);240241		self.skip_trivia();242		if self.at_end() || self.at_ts(recovery_set) {243			let range = self244				.previous_token()245				.map(|t| t.range)246				.unwrap_or_else(|| TextRange::at(TextSize::from(0), TextSize::from(0)));247248			self.events.push(Event::Error(SyntaxError::Missing {249				expected: expected_syntax,250				offset: range.end(),251			}));252			return None;253		}254255		let current_token = self.current_token();256257		self.events.push(Event::Error(SyntaxError::Unexpected {258			expected: expected_syntax,259			found: current_token.kind,260			range: current_token.range,261		}));262		self.clear_expected_syntaxes();263		self.last_error_token = self.offset;264265		let m = self.start();266		self.bump();267		Some(m.complete(self, SyntaxKind::ERROR))268	}269	fn bump_assert(&mut self, kind: SyntaxKind) {270		self.skip_trivia();271		assert!(self.at(kind), "expected {:?}", kind);272		self.bump_remap(self.current());273	}274	fn bump(&mut self) {275		self.skip_trivia();276		self.bump_remap(self.current());277	}278	fn bump_remap(&mut self, kind: SyntaxKind) {279		self.skip_trivia();280		assert_ne!(self.offset, self.lexemes.len(), "already at end");281		self.events.push(Event::Token { kind });282		self.offset += 1;283		self.clear_expected_syntaxes();284	}285	fn step(&self) {286		use std::fmt::Write;287		let steps = self.steps.get();288		if steps >= 15000000 {289			let mut out = "seems like parsing is stuck".to_owned();290			{291				let last = 20;292				write!(out, "\n\nLast {} events:", last).unwrap();293				for (i, event) in self294					.events295					.iter()296					.skip(self.events.len().saturating_sub(last))297					.enumerate()298				{299					write!(out, "\n{i}. {event:?}").unwrap();300				}301			}302			{303				let next = 20;304				write!(out, "\n\nNext {next} tokens:").unwrap();305				for (i, tok) in self.lexemes.iter().skip(self.offset).take(next).enumerate() {306					write!(out, "\n{i}. {tok:?}").unwrap();307				}308			}309			panic!("{out}")310		}311		self.steps.set(steps + 1);312	}313	fn nth(&self, i: usize) -> SyntaxKind {314		self.step();315		let mut offset = self.offset;316		for _ in 0..i {317			while self318				.lexemes319				.get(offset)320				.map(|l| Trivia::can_cast(l.kind))321				.unwrap_or(false)322			{323				offset += 1;324			}325			offset += 1;326		}327		while self328			.lexemes329			.get(offset)330			.map(|l| Trivia::can_cast(l.kind))331			.unwrap_or(false)332		{333			offset += 1;334		}335		self.lexemes.get(offset).map(|l| l.kind).unwrap_or(EOF)336	}337	fn current(&self) -> SyntaxKind {338		self.nth(0)339	}340	fn skip_trivia(&mut self) {341		while Trivia::can_cast(self.peek_raw()) {342			self.offset += 1;343		}344	}345	fn peek_raw(&mut self) -> SyntaxKind {346		self.lexemes347			.get(self.offset)348			.map(|l| l.kind)349			.unwrap_or(SyntaxKind::EOF)350	}351	#[must_use]352	pub(crate) fn expected_syntax_name(&mut self, name: &'static str) -> ExpectedSyntaxGuard {353		self.expected_syntax_tracking_state354			.set(ExpectedSyntaxTrackingState::Named);355		self.expected_syntax = Some(ExpectedSyntax::Named(name));356357		ExpectedSyntaxGuard::new(Rc::clone(&self.expected_syntax_tracking_state))358	}359	pub fn at(&mut self, kind: SyntaxKind) -> bool {360		self.nth_at(0, kind)361	}362	pub fn nth_at(&mut self, n: usize, kind: SyntaxKind) -> bool {363		if let ExpectedSyntaxTrackingState::Unnamed = self.expected_syntax_tracking_state.get() {364			self.expected_syntax = Some(ExpectedSyntax::Unnamed(kind));365		}366		self.nth(n) == kind367	}368	pub fn at_ts(&mut self, set: SyntaxKindSet) -> bool {369		set.contains(self.current())370	}371	pub fn at_end(&mut self) -> bool {372		self.at(EOF)373	}374}375pub(crate) struct ExpectedSyntaxGuard {376	expected_syntax_tracking_state: Rc<Cell<ExpectedSyntaxTrackingState>>,377}378379impl ExpectedSyntaxGuard {380	fn new(expected_syntax_tracking_state: Rc<Cell<ExpectedSyntaxTrackingState>>) -> Self {381		Self {382			expected_syntax_tracking_state,383		}384	}385}386387impl Drop for ExpectedSyntaxGuard {388	fn drop(&mut self) {389		self.expected_syntax_tracking_state390			.set(ExpectedSyntaxTrackingState::Unnamed);391	}392}393394#[derive(Debug, Clone, Copy)]395enum ExpectedSyntaxTrackingState {396	Named,397	Unnamed,398}399400fn expr(p: &mut Parser) -> Option<CompletedMarker> {401	expr_binding_power(p, 0)402}403fn expr_binding_power(p: &mut Parser, minimum_binding_power: u8) -> Option<CompletedMarker> {404	let mut lhs = lhs(p)?;405406	while let Some(op) = BinaryOperatorKind::cast(p.current())407		.or_else(|| p.at(T!['{']).then(|| BinaryOperatorKind::MetaObjectApply))408	{409		let (left_binding_power, right_binding_power) = op.binding_power();410		if left_binding_power < minimum_binding_power {411			break;412		}413414		// Object apply is not a real operator, we dont have something to bump415		if op != BinaryOperatorKind::MetaObjectApply {416			p.bump();417		}418419		let m = lhs.wrap(p, LHS_EXPR).precede(p);420		let parsed_rhs = expr_binding_power(p, right_binding_power).is_some();421		lhs = m.complete(422			p,423			if op == BinaryOperatorKind::MetaObjectApply {424				EXPR_OBJ_EXTEND425			} else {426				EXPR_BINARY427			},428		);429430		if !parsed_rhs {431			break;432		}433	}434	Some(lhs)435}436fn compspec(p: &mut Parser) {437	assert!(p.at(T![for]) || p.at(T![if]));438	if p.at(T![for]) {439		let m = p.start();440		p.bump();441		name(p);442		p.expect(T![in]);443		expr(p);444		m.complete(p, FOR_SPEC);445	} else if p.at(T![if]) {446		let m = p.start();447		p.bump();448		expr(p);449		m.complete(p, IF_SPEC);450	} else {451		unreachable!()452	}453}454fn comma(p: &mut Parser) -> bool {455	if p.at(T![,]) {456		p.bump();457		true458	} else {459		false460	}461}462fn comma_with_alternatives(p: &mut Parser, set: SyntaxKindSet) -> bool {463	if p.at(T![,]) {464		p.bump();465		true466	} else if p.at_ts(set) {467		p.expect_with_no_skip(T![,]);468		p.bump();469		true470	} else {471		false472	}473}474fn field_name(p: &mut Parser) {475	let _e = p.expected_syntax_name("field name");476	let m = p.start();477	if p.at(T!['[']) {478		p.bump();479		expr(p);480		p.expect(T![']']);481		m.complete(p, FIELD_NAME_DYNAMIC);482	} else if p.at(IDENT) {483		name(p);484		m.complete(p, FIELD_NAME_FIXED);485	} else if Text::can_cast(p.current()) {486		text(p);487		m.complete(p, FIELD_NAME_FIXED);488	} else {489		p.error_with_recovery_set(TS![;]);490	}491}492fn visibility(p: &mut Parser) {493	if p.at_ts(TS![: :: :::]) {494		p.bump()495	} else {496		p.error_with_recovery_set(TS![]);497	}498}499fn field(p: &mut Parser) {500	let m = p.start();501	field_name(p);502	let plus = if p.at(T![+]) {503		let r = p.start_ranger();504		p.bump();505		Some(r.finish(p))506	} else {507		None508	};509	let params = if p.at(T!['(']) {510		if let Some(plus) = plus {511			p.custom_error(plus, "can't extend with method");512		}513		params_desc(p);514		if p.at(T![+]) {515			let r = p.start_ranger();516			p.bump();517			p.custom_error(r.finish(p), "can't extend with method");518		}519		true520	} else {521		false522	};523	visibility(p);524	expr(p);525526	if params {527		m.complete(p, FIELD_METHOD)528	} else {529		m.complete(p, FIELD_NORMAL)530	};531}532fn assertion(p: &mut Parser) {533	let m = p.start();534	p.bump_assert(T![assert]);535	expr(p).map(|c| c.wrap(p, LHS_EXPR));536	if p.at(T![:]) {537		p.bump();538		expr(p);539	}540	m.complete(p, ASSERTION);541}542fn object(p: &mut Parser) -> CompletedMarker {543	let m_t = p.start();544	let m = p.start();545	p.bump_assert(T!['{']);546547	loop {548		if p.at(T!['}']) {549			p.bump();550			break;551		}552		let m = p.start();553		if p.at(T![local]) {554			obj_local(p);555			m.complete(p, MEMBER_BIND_STMT)556		} else if p.at(T![assert]) {557			assertion(p);558			m.complete(p, MEMBER_ASSERT_STMT)559		} else {560			field(p);561			while p.at(T![for]) || p.at(T![if]) {562				compspec(p)563			}564			m.complete(p, MEMBER_FIELD)565		};566		if comma_with_alternatives(p, SyntaxKindSet::new(&[T![=]])) {567			continue;568		}569		p.expect(R_BRACE);570		break;571	}572573	m.complete(p, OBJ_BODY_MEMBER_LIST);574	m_t.complete(p, EXPR_OBJECT)575}576fn param(p: &mut Parser) {577	let m = p.start();578	destruct(p);579	if p.at(T![=]) {580		p.bump();581		expr(p);582	}583	m.complete(p, PARAM);584}585fn params_desc(p: &mut Parser) -> CompletedMarker {586	let m = p.start();587	p.bump_assert(T!['(']);588589	loop {590		if p.at(T![')']) {591			p.bump();592			break;593		}594		param(p);595		if comma(p) {596			continue;597		}598		p.expect(T![')']);599		break;600	}601602	m.complete(p, PARAMS_DESC)603}604fn args_desc(p: &mut Parser) {605	let m = p.start();606	p.bump_assert(T!['(']);607608	let started_named = Cell::new(false);609610	loop {611		if p.at(T![')']) {612			break;613		}614615		let m = p.start();616		if p.at(IDENT) && p.nth_at(1, T![=]) {617			name(p);618			p.bump();619			expr(p);620			m.complete(p, ARG);621			started_named.set(true);622		} else {623			expr(p);624			m.complete(p, ARG);625		}626		if comma(p) {627			continue;628		}629		break;630	}631	p.expect(T![')']);632	if p.at(T![tailstrict]) {633		p.bump()634	}635	m.complete(p, ARGS_DESC);636}637638fn array(p: &mut Parser) -> CompletedMarker {639	// Start the list node640	let m = p.start();641	p.bump_assert(T!['[']);642643	// This vec will have at most one element in case of correct input644	let mut compspecs = Vec::with_capacity(1);645	let mut elems = 0;646647	loop {648		if p.at(T![']']) {649			p.bump();650			break;651		}652		elems += 1;653		expr(p);654		let c = p.start_ranger();655		let mut had_spec = false;656		while p.at(T![for]) || p.at(T![if]) {657			had_spec = true;658			compspec(p)659		}660		if had_spec {661			compspecs.push(c.finish(p));662		}663		if comma(p) {664			continue;665		}666		p.expect(T![']']);667		break;668	}669670	if elems > 1 && !compspecs.is_empty() {671		for spec in compspecs {672			p.custom_error(673				spec,674				"compspec may only be used if there is only one array element",675			)676		}677678		m.complete(p, EXPR_ARRAY)679	} else if !compspecs.is_empty() {680		m.complete(p, EXPR_ARRAY_COMP)681	} else {682		m.complete(p, EXPR_ARRAY)683	}684}685/// Returns true if it was slice, false if just index686#[must_use]687fn slice_desc_or_index(p: &mut Parser) -> bool {688	let m = p.start();689	p.bump();690	// TODO: do not treat :, ::, ::: as full tokens?691	// Start692	if !p.at(T![:]) && !p.at(T![::]) {693		expr(p);694	}695	if p.at(T![:]) {696		p.bump();697		// End698		if !p.at(T![']']) {699			expr(p).map(|c| c.wrap(p, SLICE_DESC_END));700		}701		if p.at(T![:]) {702			p.bump();703			// Step704			if !p.at(T![']']) {705				expr(p).map(|c| c.wrap(p, SLICE_DESC_STEP));706			}707		}708	} else if p.at(T![::]) {709		p.bump();710		// End711		if !p.at(T![']']) {712			expr(p).map(|c| c.wrap(p, SLICE_DESC_END));713		}714	} else {715		// It was not a slice716		p.expect(T![']']);717		m.forget(p);718		return false;719	}720	p.expect(T![']']);721	m.complete(p, SLICE_DESC);722	true723}724fn lhs(p: &mut Parser) -> Option<CompletedMarker> {725	let mut lhs = lhs_basic(p)?;726727	loop {728		if p.at(T![.]) {729			let m = lhs.precede(p);730			p.bump();731			name(p);732			lhs = m.complete(p, EXPR_INDEX);733		} else if p.at(T!['[']) {734			if slice_desc_or_index(p) {735				lhs = lhs.precede(p).complete(p, EXPR_SLICE);736			} else {737				lhs = lhs738					.wrap(p, LHS_EXPR)739					.precede(p)740					.complete(p, EXPR_INDEX_EXPR);741			}742		} else if p.at(T!['(']) {743			let m = lhs.precede(p);744			args_desc(p);745			lhs = m.complete(p, EXPR_APPLY);746		} else {747			break;748		}749	}750751	Some(lhs)752}753fn name(p: &mut Parser) {754	let m = p.start();755	p.expect(IDENT);756	m.complete(p, NAME);757}758fn destruct_rest(p: &mut Parser) {759	let m = p.start();760	p.bump_assert(T![...]);761	if p.at(IDENT) {762		p.bump()763	}764	m.complete(p, DESTRUCT_REST);765}766fn destruct_object_field(p: &mut Parser) {767	let m = p.start();768	name(p);769	if p.at(T![:]) {770		p.bump();771		destruct(p);772	};773	if p.at(T![=]) {774		p.bump();775		expr(p);776	}777	m.complete(p, DESTRUCT_OBJECT_FIELD);778}779fn obj_local(p: &mut Parser) {780	let m = p.start();781	p.bump_assert(T![local]);782	bind(p);783	m.complete(p, OBJ_LOCAL);784}785fn destruct(p: &mut Parser) -> CompletedMarker {786	let m = p.start();787	if p.at(T![?]) {788		p.bump();789		m.complete(p, DESTRUCT_SKIP)790	} else if p.at(T!['[']) {791		p.bump();792		let mut had_rest = false;793		loop {794			if p.at(T![']']) {795				p.bump();796				break;797			} else if p.at(T![...]) {798				let m_err = p.start_ranger();799				destruct_rest(p);800				if had_rest {801					p.custom_error(m_err.finish(p), "only one rest can be present in array");802				}803				had_rest = true;804			} else {805				destruct(p);806			}807			if p.at(T![,]) {808				p.bump();809				continue;810			}811			p.expect(T![']']);812			break;813		}814		m.complete(p, DESTRUCT_ARRAY)815	} else if p.at(T!['{']) {816		p.bump();817		let mut had_rest = false;818		loop {819			if p.at(T!['}']) {820				p.bump();821				break;822			} else if p.at(T![...]) {823				let m_err = p.start_ranger();824				destruct_rest(p);825				if had_rest {826					p.custom_error(m_err.finish(p), "only one rest can be present in object");827				}828				had_rest = true;829			} else {830				if had_rest {831					p.error_with_recovery_set(TS![]);832				}833				destruct_object_field(p);834			}835			if p.at(T![,]) {836				p.bump();837				continue;838			}839			p.expect(T!['}']);840			break;841		}842		m.complete(p, DESTRUCT_OBJECT)843	} else if p.at(IDENT) {844		name(p);845		m.complete(p, DESTRUCT_FULL)846	} else {847		m.complete(p, ERROR)848	}849}850fn bind(p: &mut Parser) {851	let m = p.start();852	if p.at(IDENT) && p.nth_at(1, T!['(']) {853		name(p);854		params_desc(p);855		p.expect(T![=]);856		expr(p);857		m.complete(p, BIND_FUNCTION)858	} else {859		destruct(p);860		p.expect(T![=]);861		expr(p);862		m.complete(p, BIND_DESTRUCT)863	};864}865fn text(p: &mut Parser) {866	assert!(Text::can_cast(p.current()));867	p.bump();868}869fn number(p: &mut Parser) {870	assert!(Number::can_cast(p.current()));871	p.bump();872}873fn literal(p: &mut Parser) {874	assert!(Literal::can_cast(p.current()));875	p.bump();876}877fn lhs_basic(p: &mut Parser) -> Option<CompletedMarker> {878	let _e = p.expected_syntax_name("value");879	Some(if Literal::can_cast(p.current()) {880		let m = p.start();881		literal(p);882		m.complete(p, EXPR_LITERAL)883	} else if Text::can_cast(p.current()) {884		let m = p.start();885		text(p);886		m.complete(p, EXPR_STRING)887	} else if Number::can_cast(p.current()) {888		let m = p.start();889		number(p);890		m.complete(p, EXPR_NUMBER)891	} else if p.at(IDENT) {892		let m = p.start();893		name(p);894		m.complete(p, EXPR_VAR)895	} else if p.at(INTRINSIC_THIS_FILE) {896		let m = p.start();897		p.bump();898		m.complete(p, EXPR_INTRINSIC_THIS_FILE)899	} else if p.at(INTRINSIC_ID) {900		let m = p.start();901		p.bump();902		m.complete(p, EXPR_INTRINSIC_ID)903	} else if p.at(INTRINSIC) {904		let m = p.start();905		p.bump();906		p.expect(T!['(']);907		name(p);908		p.expect(T![')']);909		m.complete(p, EXPR_INTRINSIC)910	} else if p.at(T![if]) {911		let m = p.start();912		p.bump();913		expr(p);914		p.expect(T![then]);915		expr(p).map(|c| c.wrap(p, TRUE_EXPR));916		if p.at(T![else]) {917			p.bump();918			expr(p).map(|c| c.wrap(p, FALSE_EXPR));919		}920		m.complete(p, EXPR_IF_THEN_ELSE)921	} else if p.at(T!['[']) {922		array(p)923	} else if p.at(T!['{']) {924		object(p)925	} else if p.at(T![local]) {926		let m = p.start();927		p.bump();928		loop {929			if p.at(T![;]) {930				p.bump();931				break;932			}933			bind(p);934935			if p.at(T![,]) {936				p.bump();937				continue;938			}939			p.expect(T![;]);940			break;941		}942		expr(p);943		m.complete(p, EXPR_LOCAL)944	} else if p.at(T![function]) {945		let m = p.start();946		p.bump();947		params_desc(p);948		expr(p);949		m.complete(p, EXPR_FUNCTION)950	} else if p.at(T![error]) {951		let m = p.start();952		p.bump();953		expr(p);954		m.complete(p, EXPR_ERROR)955	} else if p.at(T![assert]) {956		let m = p.start();957		assertion(p);958		p.expect(T![;]);959		expr(p);960		m.complete(p, EXPR_ASSERT)961	} else if p.at(T![import]) || p.at(T![importstr]) || p.at(T![importbin]) {962		let m = p.start();963		p.bump();964		text(p);965		m.complete(p, EXPR_IMPORT)966	} else if let Some(op) = UnaryOperatorKind::cast(p.current()) {967		let ((), right_binding_power) = op.binding_power();968969		let m = p.start();970		p.bump();971		expr_binding_power(p, right_binding_power);972		m.complete(p, EXPR_UNARY)973	} else if p.at(T!['(']) {974		let m = p.start();975		p.bump();976		expr(p);977		p.expect(T![')']);978		m.complete(p, EXPR_PARENED)979	} else {980		p.error_with_recovery_set(TS![]);981		return None;982	})983}984985impl Parse {986	pub fn syntax(&self) -> SyntaxNode {987		SyntaxNode::new_root(self.green_node.clone())988	}989}
modifiedcrates/jrsonnet-rowan-parser/src/token_set.rsdiffbeforeafterboth
--- a/crates/jrsonnet-rowan-parser/src/token_set.rs
+++ b/crates/jrsonnet-rowan-parser/src/token_set.rs
@@ -34,9 +34,9 @@
 #[macro_export]
 macro_rules! TS {
 	($($tt:tt)*) => {
-		SyntaxKindSet::new(&[
+		$crate::SyntaxKindSet::new(&[
 			$(
-				T![$tt]
+				$crate::T![$tt]
 			),*
 		])
 	};
deletedjrsonnet-lsp/Cargo.tomldiffbeforeafterboth
--- a/jrsonnet-lsp/Cargo.toml
+++ /dev/null
@@ -1,15 +0,0 @@
-[package]
-name = "jrsonnet-lsp"
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]
-anyhow = "1.0.48"
-jrsonnet-evaluator = { path = "../jrsonnet-evaluator" }
-jrsonnet-parser = { path = "../jrsonnet-parser" }
-lsp-server = "0.5.2"
-lsp-types = "0.92.0"
-serde = "1.0.130"
-serde_json = "1.0.71"
deletedjrsonnet-lsp/src/main.rsdiffbeforeafterboth
--- a/jrsonnet-lsp/src/main.rs
+++ /dev/null
@@ -1,211 +0,0 @@
-use std::{
-	collections::HashMap,
-	fs::File,
-	path::{Path, PathBuf},
-	str::FromStr,
-};
-
-use jrsonnet_evaluator::{EvaluationState, FileImportResolver, Val};
-use jrsonnet_parser::{ExprLocation, ParserSettings};
-use lsp_server::{Connection, ErrorCode, Message, Request, RequestId, Response};
-use lsp_types::{
-	notification::{DidChangeTextDocument, DidOpenTextDocument, Notification},
-	request::{DocumentLinkRequest, HoverRequest},
-	CompletionOptions, DidChangeTextDocumentParams, DidOpenTextDocumentParams, DocumentLink,
-	DocumentLinkOptions, Hover, HoverContents, MarkupContent, MarkupKind, ServerCapabilities,
-	TextDocumentSyncCapability, TextDocumentSyncKind, TextDocumentSyncOptions, Url,
-	WorkDoneProgressOptions,
-};
-
-use std::io::Write;
-
-fn main() {
-	let mut log = File::create("test").unwrap();
-	writeln!(log, "start").unwrap();
-	let (connection, io_threads) = Connection::stdio();
-	let capabilities = serde_json::to_value(&ServerCapabilities {
-		completion_provider: Some(CompletionOptions::default()),
-		definition_provider: Some(lsp_types::OneOf::Left(true)),
-		document_link_provider: Some(DocumentLinkOptions {
-			resolve_provider: Some(false),
-			work_done_progress_options: WorkDoneProgressOptions::default(),
-		}),
-		hover_provider: Some(lsp_types::HoverProviderCapability::Simple(true)),
-		text_document_sync: Some(TextDocumentSyncCapability::Options(
-			TextDocumentSyncOptions {
-				change: Some(TextDocumentSyncKind::FULL),
-				open_close: Some(true),
-				..TextDocumentSyncOptions::default()
-			},
-		)),
-		..ServerCapabilities::default()
-	})
-	.expect("failed to convert capabilities to json");
-
-	connection
-		.initialize(capabilities)
-		.expect("failed to initialize connection");
-
-	writeln!(log, "initialized").unwrap();
-
-	main_loop(&mut log, &connection).expect("main loop failed");
-
-	io_threads.join().expect("failed to join io_threads");
-}
-fn main_loop(log: &mut File, connection: &Connection) -> anyhow::Result<()> {
-	let mut es = EvaluationState::default();
-	es.set_import_resolver(Box::new(FileImportResolver::default()));
-
-	let reply = |response: Response| {
-		connection
-			.sender
-			.send(Message::Response(response))
-			.expect("failed to respond");
-	};
-
-	for msg in &connection.receiver {
-		match msg {
-			Message::Response(_) => (),
-			Message::Request(req) => {
-				if connection.handle_shutdown(&req)? {
-					return Ok(());
-				}
-				if let Some((id, params)) = cast::<DocumentLinkRequest>(&req) {
-					reply(Response::new_ok(id, <Vec<DocumentLink>>::new()));
-				} else if let Some((id, params)) = cast::<HoverRequest>(&req) {
-					let pos = params
-						.text_document_position_params
-						.text_document
-						.uri
-						.path();
-					let buf = PathBuf::from_str(pos).unwrap();
-					let pos = es
-						.map_from_source_location(
-							&buf,
-							params.text_document_position_params.position.line as usize + 1,
-							params.text_document_position_params.position.character as usize + 1,
-						)
-						.unwrap();
-					let el = ExprLocation(buf.clone().into(), pos as usize, pos as usize);
-					let es2 = es.clone();
-				// reply(Response::new_ok(
-				// 	id,
-				// 	Some(Hover {
-				// 		range: None,
-				// 		contents: HoverContents::Markup(MarkupContent {
-				// 			kind: MarkupKind::Markdown,
-				// 			value: es
-				// 				.run_in_state_with_breakpoint(el, move || {
-				// 					es2.reset_evaluation_state(&buf);
-				// 					es2.import_file(&PathBuf::new(), &buf)?
-				// 						.to_string()
-				// 						.map(|_| ())
-				// 				})
-				// 				.unwrap()
-				// 				.unwrap_or_else(|| Val::Null)
-				// 				.value_type()
-				// 				.to_string(),
-				// 		}),
-				// 	}),
-				// ));
-				} else
-				/*
-				if let Some((id, params)) = cast::<DocumentLinkRequest>(&req) {
-					 let links = handle_links(&files, params).unwrap_or_default();
-					 reply(Response::new_ok(id, links));
-				} else if let Some((id, params)) = cast::<GotoDefinition>(&req) {
-					 if let Some(loc) = handle_goto(&files, params) {
-						  reply(Response::new_ok(id, loc))
-					 } else {
-						  reply(Response::new_ok(id, ()))
-					 }
-				} else if let Some((id, params)) = cast::<HoverRequest>(&req) {
-					 match handle_hover(&files, params) {
-						  Some((range, markdown)) => {
-								reply(Response::new_ok(
-									 id,
-									 Hover {
-										  contents: HoverContents::Markup(MarkupContent {
-												kind: MarkupKind::Markdown,
-												value: markdown,
-										  }),
-										  range,
-									 },
-								));
-						  }
-						  None => {
-								reply(Response::new_ok(id, ()));
-						  }
-					 }
-				} else if let Some((id, params)) = cast::<Completion>(&req) {
-					 let completions = handle_completion(&files, params.text_document_position)
-						  .unwrap_or_default();
-					 reply(Response::new_ok(id, completions));
-				} else
-				*/
-				{
-					reply(Response::new_err(
-						req.id,
-						ErrorCode::MethodNotFound as i32,
-						format!("unrecognized request {}", req.method),
-					))
-				}
-			}
-			Message::Notification(req) => {
-				let mut handle = |text: String, uri: Url| {
-					writeln!(log, "updated file: {:?}", uri).unwrap();
-					let path = match PathBuf::from_str(uri.path()) {
-						Ok(x) => x,
-						Err(_) => return,
-					};
-					let parsed = match jrsonnet_parser::parse(
-						&text,
-						&ParserSettings {
-							file_name: path.clone().into(),
-						},
-					) {
-						Ok(v) => v,
-						Err(e) => {
-							writeln!(log, "fuck D: {:?}", e).unwrap();
-							return;
-							// connection.sender.send(Message::Notification(Notification::new_err(req.id, ErrorCode::ParseError as i32, format!("Fuck D: {:?}", e))))
-						}
-					};
-					es.add_parsed_file(path.into(), text.into(), parsed)
-						.unwrap();
-					writeln!(log, "parsed: {:?}", uri).unwrap();
-				};
-
-				match &*req.method {
-					DidOpenTextDocument::METHOD => {
-						let params: DidOpenTextDocumentParams =
-							match serde_json::from_value(req.params) {
-								Ok(x) => x,
-								Err(_) => continue,
-							};
-						handle(params.text_document.text, params.text_document.uri);
-					}
-					DidChangeTextDocument::METHOD => {
-						let params: DidChangeTextDocumentParams =
-							match serde_json::from_value(req.params) {
-								Ok(x) => x,
-								Err(_) => continue,
-							};
-						for change in params.content_changes.into_iter() {
-							handle(change.text, params.text_document.uri.clone());
-						}
-					}
-					_ => continue,
-				}
-			}
-		}
-	}
-	Ok(())
-}
-fn cast<R>(req: &Request) -> Option<(RequestId, R::Params)>
-where
-	R: lsp_types::request::Request,
-	R::Params: serde::de::DeserializeOwned,
-{
-	req.clone().extract(R::METHOD).ok()
-}
modifiedxtask/src/sourcegen/ast.rsdiffbeforeafterboth
--- a/xtask/src/sourcegen/ast.rs
+++ b/xtask/src/sourcegen/ast.rs
@@ -151,6 +151,19 @@
 						if let Some(old) = types.insert(field.ty(), field.method_name(kinds)) {
 							panic!("{name}.{} has same type as {name}.{}, resolve conflict by wrapping one field: {}", old, field.method_name(kinds), field.ty());
 						}
+						// TODO: check for assignable field types, i.e you can have
+						// ```
+						// SomeEnum =
+						//     SomeItem
+						// |   SomeOtherItem
+						// ```
+						// And check above will fail to detect conflict in
+						// ```
+						// SomeStruct =
+						//     SomeEnum
+						//     SomeItem
+						// ```
+						// Despite generating getters, which will both return SomeEnum
 					}
 					res.nodes.push(AstNodeSrc {
 						doc: Vec::new(),