abstract out max restart count

Author: tm1000

CHANGELOG.md

@@ -14,6 +14,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 -   New "Report Issue" command (#93)
 -   New "Show Output" command
 -   Extend OutputChannel to be able to buffer output internally for error reporting (up to 1000 lines)
+-   Add button to report server crashes
+-   Abstract out Max Restart Count into a setting `psalm.maxRestartCount`
 
 ## [2.2.3] - 2021-09-17
 

package.json

@@ -174,6 +174,11 @@
 					"type": "boolean",
 					"default": true,
 					"description": "This will hide the Psalm status from the status bar when it is started and running.  This is useful to clear up a cluttered status bar."
+				},
+				"psalm.maxRestartCount": {
+					"type": "number",
+					"default": 5,
+					"description": "The number of times the Language Server is allowed to crash and restart before it will no longer try to restart (Modifying requires VSCode reload)"
 				}
 			}
 		},

src/ConfigurationService.ts

@@ -30,6 +30,9 @@ export class ConfigurationService {
             workspaceConfiguration.get<string>('psalmScriptPath') ||
             join('vendor', 'vimeo', 'psalm', 'psalm-language-server');
 
+        this.config.maxRestartCount =
+            workspaceConfiguration.get<number>('maxRestartCount') || 5;
+
         this.config.unusedVariableDetection =
             workspaceConfiguration.get<boolean>('unusedVariableDetection') ||
             false;

src/LanguageServer.ts

@@ -75,7 +75,9 @@ export class LanguageServer {
                     ],
                 },
                 progressOnInitialization: true,
-                errorHandler: this.createDefaultErrorHandler(5),
+                errorHandler: this.createDefaultErrorHandler(
+                    this.configurationService.get<number>('maxRestartCount') - 1
+                ),
             },
             this.debug
         );
@@ -93,7 +95,10 @@ export class LanguageServer {
         if (maxRestartCount !== undefined && maxRestartCount < 0) {
             throw new Error(`Invalid maxRestartCount: ${maxRestartCount}`);
         }
-        return new LanguageServerErrorHandler('Thing', maxRestartCount ?? 4);
+        return new LanguageServerErrorHandler(
+            'Psalm Language Server',
+            maxRestartCount ?? 4
+        );
     }
 
     private onTelemetry(params: any) {

src/commands.ts

@@ -13,11 +13,16 @@ interface Command {
     execute(): void;
 }
 
-async function restartSever(client: LanguageServer) {
+async function restartSever(
+    client: LanguageServer,
+    configurationService: ConfigurationService
+) {
     const languageServerVersion = await client.getPsalmLanguageServerVersion();
     if (languageServerVersion === null) {
         const reload = await vscode.window.showWarningMessage(
-            'This version of Psalm has a bug in that the only way to force the Language Server to re-analyze the workspace is to forcefully crash it. VSCode limitations only allow us to do this 5 times per session. Consider upgrading to at least 4.9.0 of Psalm',
+            `This version of Psalm has a bug in that the only way to force the Language Server to re-analyze the workspace is to forcefully crash it. VSCode limitations only allow us to do this ${configurationService.get<number>(
+                'maxRestartCount'
+            )} times per session. Consider upgrading to at least 4.9.0 of Psalm`,
             'Ok',
             'Cancel'
         );
@@ -30,20 +35,26 @@ async function restartSever(client: LanguageServer) {
     }
 }
 
-function analyzeWorkSpace(client: LanguageServer): Command {
+function analyzeWorkSpace(
+    client: LanguageServer,
+    configurationService: ConfigurationService
+): Command {
     return {
         id: 'psalm.analyzeWorkSpace',
         async execute() {
-            return await restartSever(client);
+            return await restartSever(client, configurationService);
         },
     };
 }
 
-function restartPsalmServer(client: LanguageServer): Command {
+function restartPsalmServer(
+    client: LanguageServer,
+    configurationService: ConfigurationService
+): Command {
     return {
         id: 'psalm.restartPsalmServer',
         async execute() {
-            return await restartSever(client);
+            return await restartSever(client, configurationService);
         },
     };
 }
@@ -114,8 +125,8 @@ export function registerCommands(
     loggingService: LoggingService
 ): vscode.Disposable[] {
     const commands: Command[] = [
-        restartPsalmServer(client),
-        analyzeWorkSpace(client),
+        restartPsalmServer(client, configurationService),
+        analyzeWorkSpace(client, configurationService),
         reportIssue(client, configurationService, loggingService),
         showOutput(loggingService),
     ];