⚡ perf(vscode): 语言插件给词定词性时，在不在字符串 / 注解 / 注释里按语法树一遍收齐的范围查，不再逐词往上找父节点

vscode/src/codeReader/languages/bash.ts

@@ -2,7 +2,7 @@ import type { BlockShape, CodeBlock, CommandFacts, CommandWord, DeclaratorFacts,
 import type { CommentRules, ListBlocks } from './shared'
 import * as path from 'node:path'
 import { bashNameReader } from './bashNames'
-import { attachComments, children, compoundShape, leafBlock, leafShape, listBlocks, named } from './shared'
+import { attachComments, children, compoundShape, insideOf, leafBlock, leafShape, listBlocks, named } from './shared'
 
 /** 按习惯当常量用的名字：全大写（可带数字、下划线）。 */
 const CONSTANT_NAME = /^[A-Z][A-Z0-9_]*$/
@@ -543,15 +543,8 @@ function bashSymbols(root: Node): LocalSymbol[] {
 
 // ─── 词性 ────────────────────────────────────────────────────────────────────
 
-function insideString(leaf: Node): boolean {
-  for (let node = leaf.parent; node; node = node.parent) {
-    if (EXPANSIONS.has(node.type))
-      return false
-    if (node.type === 'string' || node.type === 'heredoc_body')
-      return true
-  }
-  return false
-}
+/** 字符串、here document 里的词：里面的展开（`$x`、`$(…)`）不算。 */
+const insideString = insideOf({ ...Object.fromEntries([...EXPANSIONS].map(type => [type, false])), string: true, heredoc_body: true })
 
 function bashTokenRole(leaf: Node): TokenRole {
   const parent = leaf.parent