1 files changed, 0 insertions, 178 deletions
diff --git a/tools/language-server/src/plugins/PluginHost.ts b/tools/language-server/src/plugins/PluginHost.ts
deleted file mode 100644
index 3ad21a21c..000000000
--- a/tools/language-server/src/plugins/PluginHost.ts
+++ /dev/null
@@ -1,178 +0,0 @@
-import type {
-  CancellationToken,
-  CompletionContext,
-  CompletionItem,
-  DefinitionLink,
-  Location,
-  Position,
-  SignatureHelp,
-  SignatureHelpContext,
-  TextDocumentIdentifier,
-} from 'vscode-languageserver';
-import type { DocumentManager } from '../core/documents';
-import type * as d from './interfaces';
-import { flatten } from '../utils';
-import { CompletionList } from 'vscode-languageserver';
-import { Hover, FoldingRange } from 'vscode-languageserver-types';
-
-enum ExecuteMode {
-  None,
-  FirstNonNull,
-  Collect,
-}
-
-interface PluginHostConfig {
-  filterIncompleteCompletions: boolean;
-  definitionLinkSupport: boolean;
-}
-
-export class PluginHost {
-  private plugins: d.Plugin[] = [];
-  private pluginHostConfig: PluginHostConfig = {
-    filterIncompleteCompletions: true,
-    definitionLinkSupport: false,
-  };
-
-  constructor(private documentsManager: DocumentManager) {}
-
-  initialize(pluginHostConfig: PluginHostConfig) {
-    this.pluginHostConfig = pluginHostConfig;
-  }
-
-  register(plugin: d.Plugin) {
-    this.plugins.push(plugin);
-  }
-
-  async getCompletions(textDocument: TextDocumentIdentifier, position: Position, completionContext?: CompletionContext): Promise<CompletionList> {
-    const document = this.getDocument(textDocument.uri);
-    if (!document) {
-      throw new Error('Cannot call methods on an unopened document');
-    }
-
-    const completions = (await this.execute<CompletionList>('getCompletions', [document, position, completionContext], ExecuteMode.Collect)).filter(
-      (completion) => completion != null
-    );
-
-    let flattenedCompletions = flatten(completions.map((completion) => completion.items));
-    const isIncomplete = completions.reduce((incomplete, completion) => incomplete || completion.isIncomplete, false as boolean);
-
-    return CompletionList.create(flattenedCompletions, isIncomplete);
-  }
-
-  async resolveCompletion(textDocument: TextDocumentIdentifier, completionItem: d.AppCompletionItem): Promise<CompletionItem> {
-    const document = this.getDocument(textDocument.uri);
-
-    if (!document) {
-      throw new Error('Cannot call methods on an unopened document');
-    }
-
-    const result = await this.execute<CompletionItem>('resolveCompletion', [document, completionItem], ExecuteMode.FirstNonNull);
-
-    return result ?? completionItem;
-  }
-
-  async doHover(textDocument: TextDocumentIdentifier, position: Position): Promise<Hover | null> {
-    const document = this.getDocument(textDocument.uri);
-    if (!document) {
-      throw new Error('Cannot call methods on an unopened document');
-    }
-
-    return this.execute<Hover>('doHover', [document, position], ExecuteMode.FirstNonNull);
-  }
-
-  async doTagComplete(textDocument: TextDocumentIdentifier, position: Position): Promise<string | null> {
-    const document = this.getDocument(textDocument.uri);
-    if (!document) {
-      throw new Error('Cannot call methods on an unopened document');
-    }
-
-    return this.execute<string | null>('doTagComplete', [document, position], ExecuteMode.FirstNonNull);
-  }
-
-  async getFoldingRanges(textDocument: TextDocumentIdentifier): Promise<FoldingRange[] | null> {
-    const document = this.getDocument(textDocument.uri);
-    if (!document) {
-      throw new Error('Cannot call methods on an unopened document');
-    }
-
-    const foldingRanges = flatten(await this.execute<FoldingRange[]>('getFoldingRanges', [document], ExecuteMode.Collect)).filter((completion) => completion != null);
-
-    return foldingRanges;
-  }
-
-  async getDefinitions(textDocument: TextDocumentIdentifier, position: Position): Promise<DefinitionLink[] | Location[]> {
-    const document = this.getDocument(textDocument.uri);
-    if (!document) {
-      throw new Error('Cannot call methods on an unopened document');
-    }
-
-    const definitions = flatten(await this.execute<DefinitionLink[]>('getDefinitions', [document, position], ExecuteMode.Collect));
-
-    if (this.pluginHostConfig.definitionLinkSupport) {
-      return definitions;
-    } else {
-      return definitions.map((def) => <Location>{ range: def.targetSelectionRange, uri: def.targetUri });
-    }
-  }
-
-  async getSignatureHelp(
-    textDocument: TextDocumentIdentifier,
-    position: Position,
-    context: SignatureHelpContext | undefined,
-    cancellationToken: CancellationToken
-  ): Promise<SignatureHelp | null> {
-    const document = this.getDocument(textDocument.uri);
-    if (!document) {
-      throw new Error('Cannot call methods on an unopened document');
-    }
-
-    return await this.execute<any>('getSignatureHelp', [document, position, context, cancellationToken], ExecuteMode.FirstNonNull);
-  }
-
-  onWatchFileChanges(onWatchFileChangesParams: any[]): void {
-    for (const support of this.plugins) {
-      support.onWatchFileChanges?.(onWatchFileChangesParams);
-    }
-  }
-
-  private getDocument(uri: string) {
-    return this.documentsManager.get(uri);
-  }
-
-  private execute<T>(name: keyof d.LSProvider, args: any[], mode: ExecuteMode.FirstNonNull): Promise<T | null>;
-  private execute<T>(name: keyof d.LSProvider, args: any[], mode: ExecuteMode.Collect): Promise<T[]>;
-  private execute(name: keyof d.LSProvider, args: any[], mode: ExecuteMode.None): Promise<void>;
-  private async execute<T>(name: keyof d.LSProvider, args: any[], mode: ExecuteMode): Promise<(T | null) | T[] | void> {
-    const plugins = this.plugins.filter((plugin) => typeof plugin[name] === 'function');
-
-    switch (mode) {
-      case ExecuteMode.FirstNonNull:
-        for (const plugin of plugins) {
-          const res = await this.tryExecutePlugin(plugin, name, args, null);
-          if (res != null) {
-            return res;
-          }
-        }
-        return null;
-      case ExecuteMode.Collect:
-        return Promise.all(
-          plugins.map((plugin) => {
-            let ret = this.tryExecutePlugin(plugin, name, args, []);
-            return ret;
-          })
-        );
-      case ExecuteMode.None:
-        await Promise.all(plugins.map((plugin) => this.tryExecutePlugin(plugin, name, args, null)));
-        return;
-    }
-  }
-
-  private async tryExecutePlugin(plugin: any, fnName: string, args: any[], failValue: any) {
-    try {
-      return await plugin[fnName](...args);
-    } catch (e) {
-      console.error(e);
-      return failValue;
-    }
-  }
-}