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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| // Copyright (c) Microsoft Corporation. All rights reserved. | ||
| // Licensed under the MIT license. | ||
|
|
||
| // Adapter from https://github.com/microsoft/vscode-java-debug/blob/main/src/hotCodeReplace.ts | ||
|
|
||
| import * as vscode from "vscode"; | ||
|
|
||
| import { SCALA_LANGID } from "./consts"; | ||
| import { window } from "vscode"; | ||
|
|
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| const suppressedReasons: Set<string> = new Set(); | ||
|
|
||
| export const YES_BUTTON = "Yes"; | ||
|
|
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| export const NO_BUTTON = "No"; | ||
|
|
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| const NEVER_BUTTON = "Do not show again"; | ||
|
|
||
| enum HcrChangeType { | ||
| ERROR = "ERROR", | ||
| WARNING = "WARNING", | ||
| STARTING = "STARTING", | ||
| END = "END", | ||
| BUILD_COMPLETE = "BUILD_COMPLETE", | ||
| } | ||
|
|
||
| export function initializeHotCodeReplace(context: vscode.ExtensionContext) { | ||
| vscode.commands.executeCommand( | ||
| "setContext", | ||
| "scalaHotReloadOn", | ||
| hotReplaceIsOn() | ||
| ); | ||
| vscode.workspace.onDidChangeConfiguration((event) => { | ||
| if (event.affectsConfiguration("metals.debug.settings.hotCodeReplace")) { | ||
| vscode.commands.executeCommand( | ||
| "setContext", | ||
| "scalaHotReloadOn", | ||
| hotReplaceIsOn() | ||
| ); | ||
| } | ||
| }); | ||
| vscode.debug.onDidStartDebugSession((session) => { | ||
| if (session?.configuration.noDebug && !vscode.debug.activeDebugSession) { | ||
| vscode.commands.executeCommand("setContext", "scalaHotReloadOn", false); | ||
| } | ||
| }); | ||
| vscode.debug.onDidChangeActiveDebugSession((session) => { | ||
| vscode.commands.executeCommand( | ||
| "setContext", | ||
| "scalaHotReloadOn", | ||
| session && !session.configuration.noDebug | ||
| ); | ||
| }); | ||
| context.subscriptions.push( | ||
| vscode.debug.onDidTerminateDebugSession((session) => { | ||
| const t = session ? session.type : undefined; | ||
| if (t === SCALA_LANGID) { | ||
| suppressedReasons.clear(); | ||
| } | ||
| }) | ||
| ); | ||
| } | ||
|
|
||
| export function handleHotCodeReplaceCustomEvent( | ||
| hcrEvent: vscode.DebugSessionCustomEvent | ||
| ) { | ||
| if (hcrEvent.body.changeType === HcrChangeType.BUILD_COMPLETE) { | ||
| if (hotReplaceIsOn()) { | ||
| return vscode.window.withProgress( | ||
| { location: vscode.ProgressLocation.Window }, | ||
| (progress) => { | ||
| progress.report({ message: "Applying code changes..." }); | ||
| return hcrEvent.session.customRequest("redefineClasses"); | ||
| } | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| if ( | ||
| hcrEvent.body.changeType === HcrChangeType.ERROR || | ||
| hcrEvent.body.changeType === HcrChangeType.WARNING | ||
| ) { | ||
| if (!suppressedReasons.has(hcrEvent.body.message)) { | ||
| window | ||
| .showWarningMessage( | ||
| `Hot code replace failed - ${hcrEvent.body.message}. Would you like to restart the debug session?` | ||
| ) | ||
| .then((res) => { | ||
| if (res === NEVER_BUTTON) { | ||
| suppressedReasons.add(hcrEvent.body.message); | ||
| } else if (res === YES_BUTTON) { | ||
| vscode.commands.executeCommand("workbench.action.debug.restart"); | ||
| } | ||
| }); | ||
| } | ||
| } | ||
| return undefined; | ||
| } | ||
|
|
||
| function hotReplaceIsOn(): boolean { | ||
| return ( | ||
| vscode.workspace | ||
| .getConfiguration("metals.debug.settings") | ||
| .get("hotCodeReplace") ?? false | ||
| ); | ||
| } |
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