⚡ perf(vscode): 认调用分新建还是调用时，定义所在的文件按版本记着解析结果，同一版不再整份重解析；定义就在本文件时用发文档时读出的

vscode/src/codeReader/editor/previewEditor.ts

@@ -26,6 +26,7 @@ import { DocumentCallees } from '../calleeKinds'
 import { loadBlockCalls } from '../callTree/query'
 import { CallTreeSession } from '../callTree/session'
 import { commentFollowUp, commentJob, commentRewritePrompt, findBlock, writeCommentBody } from '../commentRewrite'
+import { DefinitionKinds } from '../definitionKinds'
 import { PreviewDiff } from '../diff/previewDiff'
 import { blockReplacement } from '../editText'
 import { locate } from '../folderStore'
@@ -77,6 +78,8 @@ export class PreviewEditorProvider implements CustomTextEditorProvider {
   private readonly requests = new Map<string, OpenRequest>()
   /** 哪个预览眼下能用键盘在高亮的各处出现之间跳，跟着它设快捷键 when 子句用的上下文键 */
   readonly navigation = new NavigationContext<Preview>(value => void commands.executeCommand('setContext', OCCURRENCES_CONTEXT, value))
+  /** 调用的名字的定义是哪种块：各预览共用，定义所在的文件同一版只解析一次 */
+  readonly definitionKinds: DefinitionKinds
 
   constructor(
     private readonly extensionUri: Uri,
@@ -101,7 +104,9 @@ export class PreviewEditorProvider implements CustomTextEditorProvider {
     readonly revealInTree: (uri: Uri) => Promise<boolean>,
     /** 「了解一块代码」的对话页里接着说（subject 是那个功能，见 featureSubjectUri）；说不了时返回给人看的原因 */
     readonly askFeature: (subject: Uri, request: TopRequest) => Promise<string | undefined>,
-  ) {}
+  ) {
+    this.definitionKinds = new DefinitionKinds(languageId => registry.languageFor(languageId), runtime)
+  }
 
   /**
    * 注册成预览编辑器。标签页切走时页面留着（`retainContextWhenHidden`）：切回来不用重新生成、重发文档（切走期间改过的才补一次），页面也不用整份重画，
@@ -404,12 +409,14 @@ class Preview {
     const source = this.document.getText()
     const session = this.lookups.session()
     const callees = this.callees.session()
-    const { message, displayNames, symbols, imports } = await documentMessage({ languageId, version, getText: () => source, fileName: this.document.fileName, entryNames: this.owner.entries.namesOf(this.document.uri) }, this.registry, this.runtime, (text) => {
+    const { message, displayNames, symbols, imports, kinds } = await documentMessage({ languageId, version, getText: () => source, fileName: this.document.fileName, entryNames: this.owner.entries.namesOf(this.document.uri) }, this.registry, this.runtime, (text) => {
       logger.add({ level: 'warn', source: 'codeReader', message: `${this.document.uri.fsPath}：${text}` })
     }, session.lookup, callees.calleeKind)
     if (request !== this.latest)
       return
     this.definitions.remember(message.version, message.blocks)
+    // 调用的定义就在这份文档里时，认种类直接用这一遍读出的，不再解析一遍
+    this.owner.definitionKinds.remember(this.document.uri.toString(), version, kinds)
     // 解析失败的文档没有块：问 AI 找不到块，也不拿它比差异
     this.sent = message.error === undefined ? { version: message.version, blocks: message.blocks, source } : undefined
     this.symbols = { version, list: symbols }
@@ -452,7 +459,7 @@ class Preview {
     if (found.length === 0)
       return undefined
     for (const location of found) {
-      const kind = await definitionKind(location, languageId => this.registry.languageFor(languageId), this.runtime)
+      const kind = await definitionKind(location, this.owner.definitionKinds)
       if (kind)
         return kind
     }