refactor(ast): change Comment struct (#5783)

crates/oxc_ast/src/trivia.rs

@@ -8,19 +8,34 @@ use std::{
 
 use oxc_span::Span;
 
+#[derive(Debug, Clone, Copy, Eq, PartialEq)]
+pub enum CommentKind {
+    Line,
+    Block,
+}
+
 /// Single or multiline comment
 #[derive(Debug, Clone, Copy)]
 pub struct Comment {
-    pub kind: CommentKind,
     /// The span of the comment text (without leading/trailing delimiters).
     pub span: Span,
+
+    pub kind: CommentKind,
 }
 
 impl Comment {
     #[inline]
     pub fn new(start: u32, end: u32, kind: CommentKind) -> Self {
         let span = Span::new(start, end);
-        Self { kind, span }
+        Self { span, kind }
+    }
+
+    pub fn is_line(self) -> bool {
+        self.kind == CommentKind::Line
+    }
+
+    pub fn is_block(self) -> bool {
+        self.kind == CommentKind::Block
     }
 
     pub fn real_span(&self) -> Span {
@@ -29,36 +44,18 @@ impl Comment {
 
     pub fn real_span_end(&self) -> u32 {
         match self.kind {
-            CommentKind::SingleLine => self.span.end,
+            CommentKind::Line => self.span.end,
             // length of `*/`
-            CommentKind::MultiLine => self.span.end + 2,
+            CommentKind::Block => self.span.end + 2,
         }
     }
 
     pub fn real_span_start(&self) -> u32 {
-        match self.kind {
-            CommentKind::SingleLine | CommentKind::MultiLine => self.span.start - 2,
-        }
+        self.span.start - 2
     }
 }
 
-#[derive(Debug, Clone, Copy, Eq, PartialEq)]
-pub enum CommentKind {
-    SingleLine,
-    MultiLine,
-}
-
-impl CommentKind {
-    #[inline]
-    pub fn is_single_line(self) -> bool {
-        self == Self::SingleLine
-    }
-
-    #[inline]
-    pub fn is_multi_line(self) -> bool {
-        self == Self::MultiLine
-    }
-}
+impl CommentKind {}
 
 /// Sorted set of unique trivia comments, in ascending order by starting position.
 pub type SortedComments = Box<[Comment]>;
@@ -192,11 +189,11 @@ mod test {
     #[test]
     fn test_comments_range() {
         let comments: SortedComments = vec![
-            Comment { span: Span::new(0, 4), kind: CommentKind::SingleLine },
-            Comment { span: Span::new(5, 9), kind: CommentKind::SingleLine },
-            Comment { span: Span::new(10, 13), kind: CommentKind::SingleLine },
-            Comment { span: Span::new(14, 17), kind: CommentKind::SingleLine },
-            Comment { span: Span::new(18, 23), kind: CommentKind::SingleLine },
+            Comment::new(0, 4, CommentKind::Line),
+            Comment::new(5, 9, CommentKind::Line),
+            Comment::new(10, 13, CommentKind::Line),
+            Comment::new(14, 17, CommentKind::Line),
+            Comment::new(18, 23, CommentKind::Line),
         ]
         .into_boxed_slice();
         let full_len = comments.len();

crates/oxc_codegen/src/annotation_comment.rs

@@ -106,7 +106,7 @@ impl<'a> Codegen<'a> {
         }
         self.update_last_consumed_comment_end(real_span_end);
         match comment.kind() {
-            CommentKind::SingleLine => {
+            CommentKind::Line => {
                 self.print_str("//");
                 self.print_range_of_source_code(
                     comment_span.start as usize..comment_span.end as usize,
@@ -114,7 +114,7 @@ impl<'a> Codegen<'a> {
                 self.print_soft_newline();
                 self.print_indent();
             }
-            CommentKind::MultiLine => {
+            CommentKind::Block => {
                 self.print_str("/*");
                 self.print_range_of_source_code(
                     comment_span.start as usize..comment_span.end as usize,

crates/oxc_diagnostics/src/graphic_reporter.rs

@@ -642,14 +642,14 @@ impl GraphicalReportHandler {
                     max_gutter,
                     line,
                     labels,
-                    LabelRenderMode::MultiLineFirst,
+                    LabelRenderMode::BlockFirst,
                 )?;
 
                 self.render_multi_line_end_single(
                     f,
                     first,
                     label.style,
-                    LabelRenderMode::MultiLineFirst,
+                    LabelRenderMode::BlockFirst,
                 )?;
                 for label_line in rest {
                     // no line number!
@@ -660,13 +660,13 @@ impl GraphicalReportHandler {
                         max_gutter,
                         line,
                         labels,
-                        LabelRenderMode::MultiLineRest,
+                        LabelRenderMode::BlockRest,
                     )?;
                     self.render_multi_line_end_single(
                         f,
                         label_line,
                         label.style,
-                        LabelRenderMode::MultiLineRest,
+                        LabelRenderMode::BlockRest,
                     )?;
                 }
             }
@@ -764,7 +764,7 @@ impl GraphicalReportHandler {
         let applicable = highlights.iter().filter(|hl| line.span_applies_gutter(hl));
         for (i, hl) in applicable.enumerate() {
             if !line.span_line_only(hl) && line.span_ends(hl) {
-                if render_mode == LabelRenderMode::MultiLineRest {
+                if render_mode == LabelRenderMode::BlockRest {
                     // this is to make multiline labels work. We want to make the right amount
                     // of horizontal space for them, but not actually draw the lines
                     let horizontal_space = max_gutter.saturating_sub(i) + 2;
@@ -792,7 +792,7 @@ impl GraphicalReportHandler {
                                 num_repeat
                                     // if we are rendering a multiline label, then leave a bit of space for the
                                     // rcross character
-                                    - if render_mode == LabelRenderMode::MultiLineFirst {
+                                    - if render_mode == LabelRenderMode::BlockFirst {
                                         1
                                     } else {
                                         0
@@ -1039,9 +1039,9 @@ impl GraphicalReportHandler {
                             hl,
                             label_line,
                             if first {
-                                LabelRenderMode::MultiLineFirst
+                                LabelRenderMode::BlockFirst
                             } else {
-                                LabelRenderMode::MultiLineRest
+                                LabelRenderMode::BlockRest
                             },
                         )?;
                         first = false;
@@ -1090,10 +1090,10 @@ impl GraphicalReportHandler {
                     LabelRenderMode::SingleLine => {
                         format!("{}{} {}", chars.lbot, chars.hbar.to_string().repeat(2), label,)
                     }
-                    LabelRenderMode::MultiLineFirst => {
+                    LabelRenderMode::BlockFirst => {
                         format!("{}{}{} {}", chars.lbot, chars.hbar, chars.rcross, label,)
                     }
-                    LabelRenderMode::MultiLineRest => {
+                    LabelRenderMode::BlockRest => {
                         format!("  {} {}", chars.vbar, label,)
                     }
                 };
@@ -1115,10 +1115,10 @@ impl GraphicalReportHandler {
             LabelRenderMode::SingleLine => {
                 writeln!(f, "{} {}", self.theme.characters.hbar.style(style), label)?;
             }
-            LabelRenderMode::MultiLineFirst => {
+            LabelRenderMode::BlockFirst => {
                 writeln!(f, "{} {}", self.theme.characters.rcross.style(style), label)?;
             }
-            LabelRenderMode::MultiLineRest => {
+            LabelRenderMode::BlockRest => {
                 writeln!(f, "{} {}", self.theme.characters.vbar.style(style), label)?;
             }
         }
@@ -1206,9 +1206,9 @@ enum LabelRenderMode {
     /// we're rendering a single line label (or not rendering in any special way)
     SingleLine,
     /// we're rendering a multiline label
-    MultiLineFirst,
+    BlockFirst,
     /// we're rendering the rest of a multiline label
-    MultiLineRest,
+    BlockRest,
 }
 
 #[derive(Debug)]

crates/oxc_linter/src/rules/eslint/max_lines.rs

@@ -83,7 +83,7 @@ impl Rule for MaxLines {
         let comment_lines = if self.skip_comments {
             let mut comment_lines: usize = 0;
             for comment in ctx.semantic().trivias().comments() {
-                if comment.kind.is_single_line() {
+                if comment.is_line() {
                     let comment_line = ctx.source_text()[..comment.span.start as usize]
                         .lines()
                         .next_back()

crates/oxc_linter/src/rules/typescript/ban_ts_comment.rs

@@ -155,10 +155,10 @@ impl Rule for BanTsComment {
         let comments = ctx.semantic().trivias().comments();
         for comm in comments {
             let raw = ctx.source_range(comm.span);
-            if let Some(captures) = find_ts_comment_directive(raw, comm.kind.is_single_line()) {
+            if let Some(captures) = find_ts_comment_directive(raw, comm.is_line()) {
                 // safe to unwrap, if capture success, it can always capture one of the four directives
                 let (directive, description) = (captures.0, captures.1);
-                if CommentKind::MultiLine == comm.kind
+                if CommentKind::Block == comm.kind
                     && (directive == "check" || directive == "nocheck")
                 {
                     continue;

crates/oxc_linter/src/rules/typescript/ban_tslint_comment.rs

@@ -44,7 +44,7 @@ impl Rule for BanTslintComment {
                     source_text_len,
                     comment.span.start,
                     comment.span.end,
-                    comment.kind.is_multi_line(),
+                    comment.is_block(),
                 );
 
                 ctx.diagnostic_with_fix(

crates/oxc_linter/src/rules/typescript/prefer_function_type.rs

@@ -173,12 +173,12 @@ fn check_member(member: &TSSignature, node: &AstNode<'_>, ctx: &LintContext<'_>)
                                                     [span.start as usize..span.end as usize];
 
                                                 match comment_interface.kind {
-                                                    CommentKind::SingleLine => {
+                                                    CommentKind::Line => {
                                                         let single_line_comment: String =
                                                             format!("//{comment}\n");
                                                         comments_vec.push(single_line_comment);
                                                     }
-                                                    CommentKind::MultiLine => {
+                                                    CommentKind::Block => {
                                                         let multi_line_comment: String =
                                                             format!("/*{comment}*/\n");
                                                         comments_vec.push(multi_line_comment);

crates/oxc_linter/src/rules/typescript/prefer_ts_expect_error.rs

@@ -1,5 +1,5 @@
 use cow_utils::CowUtils;
-use oxc_ast::CommentKind;
+use oxc_ast::Comment;
 use oxc_diagnostics::OxcDiagnostic;
 use oxc_macros::declare_oxc_lint;
 use oxc_span::Span;
@@ -50,11 +50,11 @@ impl Rule for PreferTsExpectError {
         for comment in comments {
             let raw = comment.span.source_text(ctx.semantic().source_text());
 
-            if !is_valid_ts_ignore_present(comment.kind, raw) {
+            if !is_valid_ts_ignore_present(*comment, raw) {
                 continue;
             }
 
-            if comment.kind.is_single_line() {
+            if comment.is_line() {
                 let comment_span = Span::new(comment.span.start - 2, comment.span.end);
                 ctx.diagnostic_with_fix(prefer_ts_expect_error_diagnostic(comment_span), |fixer| {
                     fixer.replace(
@@ -79,18 +79,18 @@ impl Rule for PreferTsExpectError {
     }
 }
 
-fn get_last_comment_line(comment: CommentKind, raw: &str) -> String {
-    if comment.is_single_line() {
+fn get_last_comment_line(comment: Comment, raw: &str) -> String {
+    if comment.is_line() {
         return String::from(raw);
     }
 
     return String::from(raw.lines().last().unwrap_or(raw));
 }
 
-fn is_valid_ts_ignore_present(comment: CommentKind, raw: &str) -> bool {
+fn is_valid_ts_ignore_present(comment: Comment, raw: &str) -> bool {
     let line = get_last_comment_line(comment, raw);
 
-    if comment.is_single_line() {
+    if comment.is_line() {
         test_single_line_comment(&line)
     } else {
         test_multi_line_comment(&line)

crates/oxc_linter/src/rules/unicorn/no_empty_file.rs

@@ -70,7 +70,7 @@ impl Rule for NoEmptyFile {
 
 fn has_triple_slash_directive(ctx: &LintContext<'_>) -> bool {
     for comment in ctx.semantic().trivias().comments() {
-        if !comment.kind.is_single_line() {
+        if !comment.is_line() {
             continue;
         }
         let text = comment.span.source_text(ctx.source_text());

crates/oxc_linter/src/utils/tree_shaking.rs

@@ -299,7 +299,7 @@ pub fn get_leading_tree_shaking_comment<'a>(span: Span, ctx: &LintContext<'a>) -
             ctx.source_text()[..comment.span.end as usize].lines().next_back().unwrap_or("");
         let nothing_before_comment = previous_line
             .trim()
-            .strip_prefix(if comment.kind == CommentKind::SingleLine { "//" } else { "/*" })
+            .strip_prefix(if comment.kind == CommentKind::Line { "//" } else { "/*" })
             .is_some_and(|s| s.trim().is_empty());
         if !nothing_before_comment {
             return None;

crates/oxc_parser/src/lexer/trivia_builder.rs

@@ -17,12 +17,12 @@ impl TriviaBuilder {
 
     pub fn add_single_line_comment(&mut self, start: u32, end: u32) {
         // skip leading `//`
-        self.add_comment(Comment::new(start + 2, end, CommentKind::SingleLine));
+        self.add_comment(Comment::new(start + 2, end, CommentKind::Line));
     }
 
     pub fn add_multi_line_comment(&mut self, start: u32, end: u32) {
         // skip leading `/*` and trailing `*/`
-        self.add_comment(Comment::new(start + 2, end - 2, CommentKind::MultiLine));
+        self.add_comment(Comment::new(start + 2, end - 2, CommentKind::Block));
     }
 
     fn add_comment(&mut self, comment: Comment) {

crates/oxc_parser/src/lib.rs

@@ -510,11 +510,11 @@ mod test {
         let allocator = Allocator::default();
         let source_type = SourceType::default().with_typescript(true);
         let sources = [
-            ("// line comment", CommentKind::SingleLine),
-            ("/* line comment */", CommentKind::MultiLine),
+            ("// line comment", CommentKind::Line),
+            ("/* line comment */", CommentKind::Block),
             (
                 "type Foo = ( /* Require properties which are not generated automatically. */ 'bar')",
-                CommentKind::MultiLine,
+                CommentKind::Block,
             ),
         ];
         for (source, kind) in sources {

crates/oxc_prettier/src/comments/mod.rs

@@ -18,7 +18,7 @@ impl Comment {
         Self {
             start: span.start,
             end: span.end,
-            is_block: comment.kind.is_multi_line(),
+            is_block: comment.is_block(),
             has_line_suffix: false,
         }
     }

crates/oxc_semantic/src/jsdoc/builder.rs

@@ -147,7 +147,7 @@ impl<'a> JSDocBuilder<'a> {
     }
 
     fn parse_if_jsdoc_comment(&self, comment: &Comment) -> Option<JSDoc<'a>> {
-        if !comment.kind.is_multi_line() {
+        if !comment.is_block() {
             return None;
         }
 

crates/oxc_wasm/src/lib.rs

@@ -420,8 +420,8 @@ impl Oxc {
             .comments()
             .map(|comment| Comment {
                 r#type: match comment.kind {
-                    CommentKind::SingleLine => CommentType::Line,
-                    CommentKind::MultiLine => CommentType::Block,
+                    CommentKind::Line => CommentType::Line,
+                    CommentKind::Block => CommentType::Block,
                 },
                 value: comment.span.source_text(source_text).to_string(),
                 start: comment.span.start,

napi/parser/src/lib.rs

@@ -109,8 +109,8 @@ fn parse_with_return<'a>(source_text: &'a str, options: &ParserOptions) -> Parse
         .comments()
         .map(|comment| Comment {
             r#type: match comment.kind {
-                CommentKind::SingleLine => "Line",
-                CommentKind::MultiLine => "Block",
+                CommentKind::Line => "Line",
+                CommentKind::Block => "Block",
             },
             value: comment.span.source_text(source_text).to_string(),
             start: comment.span.start,