1 files changed, 119 insertions, 0 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/test-tools/wamr-ide/VSCode-Extension/src/utilities/lldbUtilities.ts b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/test-tools/wamr-ide/VSCode-Extension/src/utilities/lldbUtilities.ts
new file mode 100644
index 000000000..9170a75d3
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/test-tools/wamr-ide/VSCode-Extension/src/utilities/lldbUtilities.ts
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2022 Amazon.com Inc. or its affiliates. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+import * as vscode from 'vscode';
+import * as os from 'os';
+import * as path from 'path';
+import * as fs from 'fs';
+import {
+    checkIfFileExists,
+    downloadFile,
+    unzipFile,
+} from './directoryUtilities';
+import { SelectionOfPrompt } from '../constants';
+
+const LLDB_RESOURCE_DIR = 'resource/debug';
+const LLDB_OS_DOWNLOAD_URL_SUFFIX_MAP: Partial<
+    Record<NodeJS.Platform, string>
+> = {
+    linux: 'x86_64-ubuntu-20.04',
+    darwin: 'universal-macos-latest',
+};
+
+const WAMR_LLDB_NOT_SUPPORTED_ERROR = new Error(
+    'WAMR LLDB is not supported on this platform'
+);
+
+function getLLDBUnzipFilePath(destinationFolder: string, filename: string) {
+    const dirs = filename.split('/');
+    if (dirs[0] === 'wamr-lldb') {
+        dirs.shift();
+    }
+
+    return path.join(destinationFolder, ...dirs);
+}
+
+export function getWAMRExtensionVersion(
+    context: vscode.ExtensionContext
+): string {
+    // eslint-disable-next-line @typescript-eslint/no-var-requires
+    return require(path.join(context.extensionPath, 'package.json')).version;
+}
+
+function getLLDBDownloadUrl(context: vscode.ExtensionContext): string {
+    const wamrVersion = getWAMRExtensionVersion(context);
+    const lldbOsUrlSuffix = LLDB_OS_DOWNLOAD_URL_SUFFIX_MAP[os.platform()];
+
+    if (!lldbOsUrlSuffix) {
+        throw WAMR_LLDB_NOT_SUPPORTED_ERROR;
+    }
+
+    return `https://github.com/bytecodealliance/wasm-micro-runtime/releases/download/WAMR-${wamrVersion}/wamr-lldb-${wamrVersion}-${lldbOsUrlSuffix}.zip`;
+}
+
+export function isLLDBInstalled(context: vscode.ExtensionContext): boolean {
+    const extensionPath = context.extensionPath;
+    const lldbOSDir = os.platform();
+    const lldbBinaryPath = path.join(
+        extensionPath,
+        LLDB_RESOURCE_DIR,
+        lldbOSDir,
+        'bin',
+        'lldb'
+    );
+    return checkIfFileExists(lldbBinaryPath);
+}
+
+export async function promptInstallLLDB(
+    context: vscode.ExtensionContext
+): Promise<SelectionOfPrompt> {
+    const extensionPath = context.extensionPath;
+
+    const response = await vscode.window.showWarningMessage(
+        'No LLDB instance found. Setup now?',
+        SelectionOfPrompt.setUp,
+        SelectionOfPrompt.skip
+    );
+
+    if (response === SelectionOfPrompt.skip) {
+        return response;
+    }
+
+    const downloadUrl = getLLDBDownloadUrl(context);
+    const destinationDir = os.platform();
+
+    if (!downloadUrl) {
+        throw WAMR_LLDB_NOT_SUPPORTED_ERROR;
+    }
+
+    const lldbDestinationFolder = path.join(
+        extensionPath,
+        LLDB_RESOURCE_DIR,
+        destinationDir
+    );
+    const lldbZipPath = path.join(lldbDestinationFolder, 'bundle.zip');
+
+    vscode.window.showInformationMessage(`Downloading LLDB...`);
+
+    await downloadFile(downloadUrl, lldbZipPath);
+
+    vscode.window.showInformationMessage(
+        `LLDB downloaded to ${lldbZipPath}. Installing...`
+    );
+
+    const lldbFiles = await unzipFile(lldbZipPath, filename =>
+        getLLDBUnzipFilePath(lldbDestinationFolder, filename)
+    );
+    // Allow execution of lldb
+    lldbFiles.forEach(file => fs.chmodSync(file, '0775'));
+
+    vscode.window.showInformationMessage(
+        `LLDB installed at ${lldbDestinationFolder}`
+    );
+
+    // Remove the bundle.zip
+    fs.unlinkSync(lldbZipPath);
+    return SelectionOfPrompt.setUp;
+}