🐛 fix(vscode): Rust 连着写的行注释合成一块注释，和别的语言走同一套拆块

vscode/src/codeReader/translators/zhTemplate.ts

@@ -133,14 +133,6 @@ function firstLeaf(node: Node): Node {
   return first ? firstLeaf(first) : node
 }
 
-function commentsWithin(node: Node, span: SourceSpan): Node[] {
-  if (node.endIndex <= span.startIndex || node.startIndex >= span.endIndex)
-    return []
-  if (node.type === 'comment')
-    return [node]
-  return node.children.flatMap(child => child ? commentsWithin(child, span) : [])
-}
-
 /** 节点的源码去掉整个落在它里面的记号（中文名记号 `@Comment 当前用户` 不是说明文字）。 */
 function withoutMarkers(node: Node, markers: readonly SourceRange[]): string {
   let text = ''
@@ -639,10 +631,11 @@ export function createZhTemplateTranslator(table: ZhTable): Translator {
     return table.commentText(node, withoutMarkers(node, markers))
   }
 
+  /** 注释块的原文：几条行注释连成的一块是从 block.node 起、开头落在头部里的各个兄弟节点。 */
   function translateComment(block: TextBlock, document: SourceDocument): Markdown {
-    const { startIndex, endIndex } = block.header
-    const root = block.node.tree.rootNode
-    const nodes = block.node.type === 'comment' ? commentsWithin(root.descendantForIndex(startIndex, endIndex) ?? root, block.header) : [block.node]
+    const nodes: Node[] = []
+    for (let node: Node | null = block.node; node && node.startIndex < block.header.endIndex; node = node.nextSibling)
+      nodes.push(node)
     return { markdown: docText(nodes.map(node => commentOf(node, document))) }
   }