version 1.4.0 (#144)

* upgrade package-lock.jsons * upgrade debugadapter package * upgrade debugprotocol package * upgrade long package * upgrade unzipper package * upgrade uuid package * upgrade ws package * upgrade xpath package * update dev dependencies * fix eslint config to allow newer language features (async shorthand functions and optional catch parameters) * fix import type declarations * update eslint * remove unsupported stopOnEntry properties * code tidy - fix warnings, separate type imports from value imports, remove unused code * report stack on adb connection error and default host name to 127.0.0.1 * fix imported types in jdwp * lang server tidyups * add a new helper for creating android API library cache file * update the android API cache file to 34 * bump to version 1.4.0
2025-12-22 09:29:38 +00:00 · 2024-01-02 15:52:50 +00:00
parent 0bc2ab528c
commit cb6c78070c
24 changed files with 3783 additions and 911 deletions
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -1,23 +1,28 @@
 {
-    "env": {
-        "browser": false,
-        "commonjs": true,
-        "es6": true,
-        "node": true
+  "plugins": ["jsdoc"],
+  "env": {
+    "browser": false,
+    "commonjs": true,
+    "es6": true,
+    "node": true
+  },
+  "parserOptions": {
+    "ecmaVersion": 13,
+    "ecmaFeatures": {
+      "jsx": false
    },
-    "parserOptions": {
-        "ecmaFeatures": {
-            "jsx": true
-        },
-        "sourceType": "module"
-    },
-    "rules": {
-        "no-const-assign": "warn",
-        "no-this-before-super": "warn",
-        "no-undef": "warn",
-        "no-unreachable": "warn",
-        "no-unused-vars": "warn",
-        "constructor-super": "warn",
-        "valid-typeof": "warn"
-    }
+    "sourceType": "commonjs"
+  },
+  "rules": {
+    "no-const-assign": "warn",
+    "no-this-before-super": "warn",
+    "no-undef": "warn",
+    "no-unreachable": "warn",
+    "no-unused-vars": [
+      "warn",
+      { "varsIgnorePattern": "^_", "argsIgnorePattern": "^_" }
+    ],
+    "constructor-super": "warn",
+    "valid-typeof": "warn"
+  }
 }
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -8,7 +8,6 @@
            "request": "launch",
            "runtimeExecutable": "${execPath}",
            "args": ["--extensionDevelopmentPath=${workspaceRoot}" ],
-            "stopOnEntry": false,
            "skipFiles": [
                "<node_internals>/**"
            ]
@@ -40,7 +39,6 @@
            "request": "launch",
            "runtimeExecutable": "${execPath}",
            "args": ["--extensionDevelopmentPath=${workspaceRoot}", "--extensionTestsPath=${workspaceRoot}/test" ],
-            "stopOnEntry": false
        }
    ],
 	"compounds": [
--- a/langserver/.library-cache/android-34.zip
+++ b/langserver/.library-cache/android-34.zip
--- a/langserver/completions.js
+++ b/langserver/completions.js
@@ -1,12 +1,17 @@
-const { JavaType, CEIType, ArrayType, PrimitiveType } = require('java-mti');
+const { CEIType, ArrayType, PrimitiveType } = require('java-mti');
 const { getTypeInheritanceList } = require('./java/expression-resolver');
-const { CompletionItem, CompletionItemKind } = require('vscode-languageserver');
+const { CompletionItemKind } = require('vscode-languageserver');
 const { SourceType } = require('./java/source-types');
 const { indexAt } = require('./document');
 const { formatDoc } = require('./doc-formatter');
 const { trace } = require('./logging');
 const { event } = require('./analytics');

+/**
+ * @typedef {import('vscode-languageserver').CompletionItem} CompletionItem
+ * @typedef {import('java-mti').JavaType} JavaType
+ */
+
 /**
 * Case-insensitive sort routines
 */
@@ -116,7 +121,7 @@ function getTypedNameCompletion(typemap, type_signature, opts, typelist) {
                    && !type_signature.slice(subtype_search.length).includes('$')
            )
            .map(type_signature => typemap.get(type_signature))
-            .forEach((t,idx) => inner_types.set(t.simpleTypeName, { t }));
+            .forEach((t) => inner_types.set(t.simpleTypeName, { t }));
    }

    return [
--- a/langserver/document.js
+++ b/langserver/document.js
@@ -1,10 +1,12 @@
-const { CEIType } = require('java-mti');
-const ParseProblem = require('./java/parsetypes/parse-problem');
 const { parse } = require('./java/body-parser');
-const { SourceUnit } = require('./java/source-types');
 const { parseMethodBodies } = require('./java/validater');
 const { time, timeEnd, trace } = require('./logging');

+/**
+ * @typedef {import('java-mti').CEIType} CEIType
+ * @typedef {import('./java/source-types').SourceUnit} SourceUnit
+ */
+
 /**
 * Marker to prevent early parsing of source files before we've completed our
 * initial source file load (we cannot accurately parse individual files until we
--- a/langserver/java/java-libraries.js
+++ b/langserver/java/java-libraries.js
@@ -19,7 +19,7 @@ async function loadAndroidSystemLibrary(extensionPath, additional_libs) {
        }
        const cache_folder = path.join(extensionPath, 'langserver', '.library-cache');
        trace(`loading android library from ${cache_folder} with androidx libs: ${JSON.stringify(additional_libs)}`)
-        const typemap = await loadJavaLibraryCacheFile(path.join(cache_folder, 'android-29.zip'));
+        const typemap = await loadJavaLibraryCacheFile(path.join(cache_folder, 'android-34.zip'));
        if (Array.isArray(additional_libs) && additional_libs.length) {
            await loadJavaLibraryCacheFile(path.join(cache_folder, 'androidx-20200701.zip'), additional_libs, typemap);
        }
--- a/langserver/library-cache.js
+++ b/langserver/library-cache.js
@@ -0,0 +1,30 @@
+/**
+ * 1. Download the latest platform and source
+ * ./android-sdk/cmdline-tools/bin/sdkmanager --sdk_root=$ANDROID_SDK_ROOT --install 'platforms;android-30'
+ * ./android-sdk/cmdline-tools/bin/sdkmanager --sdk_root=$ANDROID_SDK_ROOT --install 'sources;android-30'
+ *
+ * 2. Run this file, passing in the android API version
+ * node library-cache.js android-30
+ * 
+ * 3. To create the final shipped data, move the JSON into a 'cache' folder and zip
+ * mkdir cache
+ * mv android-30.json cache
+ * zip -9 -r android-30.zip cache
+ */
+
+const path = require('path');
+const { createAndroidLibraryCacheFile } = require('java-mti/android-library');
+
+/**
+ * @param {`android-${number}`} api
+ */
+async function buildLibraryCache(api) {
+  // `createAndroidLibraryCacheFile()` just creates the JSON (not the zipped version)
+  const cache_filename = path.join(__dirname, '.library-cache', `${api}.json`);
+  await createAndroidLibraryCacheFile(cache_filename, { api });
+}
+
+const api = process.argv[2];
+if (!api) throw new Error('android api parameter expected');
+
+buildLibraryCache(api);
--- a/langserver/package-lock.json
+++ b/langserver/package-lock.json
@@ -1,8 +1,395 @@
 {
  "name": "langserver",
  "version": "1.0.4",
-  "lockfileVersion": 1,
+  "lockfileVersion": 2,
  "requires": true,
+  "packages": {
+    "": {
+      "name": "langserver",
+      "version": "1.0.4",
+      "license": "ISC",
+      "dependencies": {
+        "@amplitude/node": "^0.3.3",
+        "java-mti": "adelphes/java-mti#ec164ac",
+        "uuid": "8.2.0",
+        "vscode-languageserver": "6.1.1",
+        "vscode-languageserver-textdocument": "1.0.1",
+        "vscode-uri": "2.1.2"
+      },
+      "devDependencies": {
+        "@types/node": "^13.13.4"
+      }
+    },
+    "node_modules/@amplitude/node": {
+      "version": "0.3.3",
+      "resolved": "https://registry.npmjs.org/@amplitude/node/-/node-0.3.3.tgz",
+      "integrity": "sha512-Uzg4MRAuD053Ex67Iu2lm2GovnVte1uKI3q7CXlMCYZ9ylZmAkPbTnjg9OVyD4f+IiUfgK4p3bE7r9p7jqSDLA==",
+      "dependencies": {
+        "@amplitude/types": "^0.3.2",
+        "tslib": "^1.9.3"
+      },
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/@amplitude/types": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/@amplitude/types/-/types-0.3.2.tgz",
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+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/@types/node": {
+      "version": "13.13.52",
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+    "node_modules/balanced-match": {
+      "version": "1.0.2",
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      "version": "8.2.0",
@@ -275,9 +662,9 @@
      "integrity": "sha512-CYpGiFTUrmI6OBMkAdjSDM0k5h8SkkiTP4WAjQgDgNB1S3Ou9VBEvr6q0Kv2H1mMk7IWfxYGpMH5sd5AvcIV2Q=="
    },
    "vscode-jsonrpc": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/vscode-jsonrpc/-/vscode-jsonrpc-5.0.1.tgz",
-      "integrity": "sha512-JvONPptw3GAQGXlVV2utDcHx0BiY34FupW/kI6mZ5x06ER5DdPG/tXWMVHjTNULF5uKPOUUD0SaXg5QaubJL0A=="
+      "version": "8.2.0",
+      "resolved": "https://registry.npmjs.org/vscode-jsonrpc/-/vscode-jsonrpc-8.2.0.tgz",
+      "integrity": "sha512-C+r0eKJUIfiDIfwJhria30+TYWPtuHJXHtI7J0YlOmKAo7ogxP20T0zxB7HZQIFhIyvoBPwWskjxrvAtfjyZfA=="
    },
    "vscode-languageserver": {
      "version": "6.1.1",
@@ -288,12 +675,12 @@
      }
    },
    "vscode-languageserver-protocol": {
-      "version": "3.15.3",
-      "resolved": "https://registry.npmjs.org/vscode-languageserver-protocol/-/vscode-languageserver-protocol-3.15.3.tgz",
-      "integrity": "sha512-zrMuwHOAQRhjDSnflWdJG+O2ztMWss8GqUUB8dXLR/FPenwkiBNkMIJJYfSN6sgskvsF0rHAoBowNQfbyZnnvw==",
+      "version": "3.17.5",
+      "resolved": "https://registry.npmjs.org/vscode-languageserver-protocol/-/vscode-languageserver-protocol-3.17.5.tgz",
+      "integrity": "sha512-mb1bvRJN8SVznADSGWM9u/b07H7Ecg0I3OgXDuLdn307rl/J3A9YD6/eYOssqhecL27hK1IPZAsaqh00i/Jljg==",
      "requires": {
-        "vscode-jsonrpc": "^5.0.1",
-        "vscode-languageserver-types": "3.15.1"
+        "vscode-jsonrpc": "8.2.0",
+        "vscode-languageserver-types": "3.17.5"
      }
    },
    "vscode-languageserver-textdocument": {
@@ -302,9 +689,9 @@
      "integrity": "sha512-UIcJDjX7IFkck7cSkNNyzIz5FyvpQfY7sdzVy+wkKN/BLaD4DQ0ppXQrKePomCxTS7RrolK1I0pey0bG9eh8dA=="
    },
    "vscode-languageserver-types": {
-      "version": "3.15.1",
-      "resolved": "https://registry.npmjs.org/vscode-languageserver-types/-/vscode-languageserver-types-3.15.1.tgz",
-      "integrity": "sha512-+a9MPUQrNGRrGU630OGbYVQ+11iOIovjCkqxajPa9w57Sd5ruK8WQNsslzpa0x/QJqC8kRc2DUxWjIFwoNm4ZQ=="
+      "version": "3.17.5",
+      "resolved": "https://registry.npmjs.org/vscode-languageserver-types/-/vscode-languageserver-types-3.17.5.tgz",
+      "integrity": "sha512-Ld1VelNuX9pdF39h2Hgaeb5hEZM2Z3jUrrMgWQAu82jMtZp7p3vJT3BzToKtZI7NgQssZje5o0zryOrhQvzQAg=="
    },
    "vscode-uri": {
      "version": "2.1.2",
@@ -314,7 +701,7 @@
    "wrappy": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="
    }
  }
 }
--- a/langserver/server.js
+++ b/langserver/server.js
@@ -7,11 +7,9 @@ const {
 } = require('vscode-languageserver');
 const fs = require('fs');

-const { TextDocument } = require('vscode-languageserver-textdocument');
 const { URI } = require('vscode-uri');

 const { loadAndroidSystemLibrary } = require('./java/java-libraries');
-const { CEIType } = require('java-mti');

 const { Settings } = require('./settings');
 const { trace } = require('./logging');
@@ -19,10 +17,14 @@ const { clearDefaultCompletionEntries, getCompletionItems, resolveCompletionItem
 const { getSignatureHelp } = require('./method-signatures');
 const { FileURIMap, JavaDocInfo, indexAt, reparse } = require('./document');

-const { v4: uuidv4 } = require('uuid');
 const analytics = require('./analytics');
 const package_json = require('./package.json');

+/**
+ * @typedef {import('vscode-languageserver-textdocument').TextDocument} TextDocument
+ * @typedef {import('java-mti').CEIType} CEIType
+ */
+
 /**
 * The global map of Android system types
 * @typedef {Map<string, CEIType>} AndroidLibrary
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
    "name": "android-dev-ext",
    "displayName": "Android",
    "description": "Android debugging support for VS Code",
-    "version": "1.3.2",
+    "version": "1.4.0",
    "publisher": "adelphes",
    "preview": true,
    "license": "MIT",
@@ -428,22 +428,23 @@
        "test": "node ./node_modules/vscode/bin/test"
    },
    "dependencies": {
-        "long": "4.0.0",
-        "unzipper": "0.10.11",
-        "uuid": "8.2.0",
-        "vscode-debugadapter": "1.40.0",
-        "vscode-debugprotocol": "1.40.0",
+        "@vscode/debugadapter": "1.64.0",
+        "@vscode/debugprotocol": "^1.64.0",
+        "long": "^5.2.3",
+        "unzipper": "0.10.14",
+        "uuid": "9.0.1",
        "vscode-languageclient": "6.1.3",
-        "ws": "7.3.0",
+        "ws": "8.16.0",
        "xmldom": "0.6.0",
-        "xpath": "0.0.27"
+        "xpath": "0.0.34"
    },
    "devDependencies": {
-        "@types/mocha": "^5.2.5",
-        "@types/node": "^10.12.5",
+        "@types/mocha": "^10.0.06",
+        "@types/node": "^20.10.6",
        "@types/vscode": "^1.24.0",
-        "eslint": "^5.9.0",
-        "mocha": "^5.2.0",
-        "typescript": "^3.8.3"
+        "eslint": "^8.56.0",
+        "eslint-plugin-jsdoc": "^47.0.2",
+        "mocha": "^10.2.0",
+        "typescript": "^5.3.3"
    }
 }
--- a/src/contentprovider.js
+++ b/src/contentprovider.js
@@ -4,7 +4,7 @@ const { workspace, EventEmitter, Uri } = vscode;
 class AndroidContentProvider {

    constructor() {
-        /** @type {Map<Uri,*>} */
+        /** @type {Map<vscode.Uri,*>} */
        this._docs = new Map();    // Map<uri, LogcatContent>
        this._onDidChange = new EventEmitter();
    }
@@ -27,11 +27,11 @@ class AndroidContentProvider {
     * [document](TextDocument). Resources allocated should be released when
     * the corresponding document has been [closed](#workspace.onDidCloseTextDocument).
     *
-     * @param {Uri} uri An uri which scheme matches the scheme this provider was [registered](#workspace.registerTextDocumentContentProvider) for.
-     * @param {vscode.CancellationToken} token A cancellation token.
+     * @param {vscode.Uri} uri An uri which scheme matches the scheme this provider was [registered](#workspace.registerTextDocumentContentProvider) for.
+     * @param {vscode.CancellationToken} _token A cancellation token.
     * @return {string|Thenable<string>} A string or a thenable that resolves to such.
     */
-    provideTextDocumentContent(uri, token) {
+    provideTextDocumentContent(uri, _token) {
        const doc = this._docs.get(uri);
        if (doc) {
            return doc.content();
@@ -44,7 +44,7 @@ class AndroidContentProvider {
    }

    /**
-     * @param {Uri} uri
+     * @param {vscode.Uri} uri
     */
    provideLogcatDocumentContent(uri) {
        // LogcatContent depends upon AndroidContentProvider, so we must delay-load this
--- a/src/debugMain.js
+++ b/src/debugMain.js
@@ -1,7 +1,7 @@
 const {
 	DebugSession,
 	InitializedEvent, TerminatedEvent, StoppedEvent, BreakpointEvent, ThreadEvent, OutputEvent,
-    Thread, StackFrame, Scope, Source, Breakpoint } = require('vscode-debugadapter');
+    Thread, StackFrame, Scope, Source, Breakpoint } = require('@vscode/debugadapter');

 // node and external modules
 const os = require('os');
@@ -11,7 +11,7 @@ const path = require('path');
 const { ADBClient } = require('./adbclient');
 const { APKFileInfo } = require('./apk-file-info');
 const { Debugger } = require('./debugger');
-const { AttachBuildInfo, BreakpointOptions, DebuggerException, DebuggerValue, JavaBreakpointEvent, JavaClassType, JavaExceptionEvent, LaunchBuildInfo, SourceLocation } = require('./debugger-types');
+const { AttachBuildInfo, BreakpointOptions, DebuggerException, JavaClassType, LaunchBuildInfo } = require('./debugger-types');
 const { evaluate } = require('./expression/evaluate');
 const { PackageInfo } = require('./package-searcher');
 const ADBSocket = require('./sockets/adbsocket');
@@ -19,9 +19,16 @@ const { AndroidThread } = require('./threads');
 const { checkADBStarted, getAndroidSourcesFolder } = require('./utils/android');
 const { D, initLogToClient, onMessagePrint } = require('./utils/print');
 const { hasValidSourceFileExtension } = require('./utils/source-file');
-const { VariableManager } = require('./variable-manager');
 const analytics = require('../langserver/analytics');

+/**
+ * @typedef {import('./debugger-types').DebuggerValue} DebuggerValue
+ * @typedef {import('./debugger-types').JavaBreakpointEvent} JavaBreakpointEvent
+ * @typedef {import('./debugger-types').JavaExceptionEvent} JavaExceptionEvent
+ * @typedef {import('./debugger-types').SourceLocation} SourceLocation
+ * @typedef {import('./variable-manager').VariableManager} VariableManager
+ */
+
 class AndroidDebugSession extends DebugSession {

 	/**
@@ -124,7 +131,7 @@ class AndroidDebugSession extends DebugSession {
 	/**
 	 * The 'initialize' request is the first request called by the frontend
 	 * to interrogate the features the debug adapter provides.
-     * @param {import('vscode-debugprotocol').DebugProtocol.InitializeResponse} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.InitializeResponse} response
 	 */
 	initializeRequest(response) {
        response.body.exceptionBreakpointFilters = [
@@ -165,7 +172,7 @@ class AndroidDebugSession extends DebugSession {

    /**
     * @param {string} msg 
-     * @param {import('vscode-debugprotocol').DebugProtocol.Response} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.Response} response
     * @param {boolean} silent
     */
    failRequest(msg, response, silent = false) {
@@ -184,7 +191,7 @@ class AndroidDebugSession extends DebugSession {
    /**
     * @param {string} requestName 
     * @param {number} threadId 
-     * @param {import('vscode-debugprotocol').DebugProtocol.Response} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.Response} response
     */
    failRequestNoThread(requestName, threadId, response) {
        this.failRequest(`${requestName} failed. Thread ${threadId} not found`, response);
@@ -193,7 +200,7 @@ class AndroidDebugSession extends DebugSession {
    /**
     * @param {string} requestName 
     * @param {number} threadId 
-     * @param {import('vscode-debugprotocol').DebugProtocol.Response} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.Response} response
     */
    failRequestThreadNotSuspended(requestName, threadId, response) {
        this.failRequest(`${requestName} failed. Thread ${threadId} is not suspended`, response);
@@ -202,7 +209,7 @@ class AndroidDebugSession extends DebugSession {
    /**
     * @param {string} requestName 
     * @param {number} threadId 
-     * @param {import('vscode-debugprotocol').DebugProtocol.Response} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.Response} response
     */
    cancelRequestThreadNotSuspended(requestName, threadId, response) {
        // now that vscode can resume threads before the locals,callstack,etc are retrieved, we only need to cancel the request
@@ -332,8 +339,8 @@ class AndroidDebugSession extends DebugSession {
     * @property {string} targetDevice
     * @property {boolean} trace
     * 
-     * @param {import('vscode-debugprotocol').DebugProtocol.AttachResponse} response 
-     * @param {import('vscode-debugprotocol').DebugProtocol.AttachRequestArguments & AndroidAttachArguments} args 
+     * @param {import('@vscode/debugprotocol').DebugProtocol.AttachResponse} response 
+     * @param {import('@vscode/debugprotocol').DebugProtocol.AttachRequestArguments & AndroidAttachArguments} args 
     */
 	async attachRequest(response, args) {
        this.debug_mode = 'attach';
@@ -489,8 +496,8 @@ class AndroidDebugSession extends DebugSession {
     * @property {boolean} trace

     * The entry point to the debugger
-     * @param {import('vscode-debugprotocol').DebugProtocol.LaunchResponse} response 
-     * @param {import('vscode-debugprotocol').DebugProtocol.LaunchRequestArguments & AndroidLaunchArguments} args 
+     * @param {import('@vscode/debugprotocol').DebugProtocol.LaunchResponse} response 
+     * @param {import('@vscode/debugprotocol').DebugProtocol.LaunchRequestArguments & AndroidLaunchArguments} args 
     */
 	async launchRequest(response, args) {
        this.debug_mode = 'launch';
@@ -787,7 +794,7 @@ class AndroidDebugSession extends DebugSession {

    /**
     * 
-     * @param {import('vscode-debugprotocol').DebugProtocol.ConfigurationDoneResponse} response 
+     * @param {import('@vscode/debugprotocol').DebugProtocol.ConfigurationDoneResponse} response 
     */
    configurationDoneRequest(response) {
        D('configurationDoneRequest');
@@ -807,7 +814,7 @@ class AndroidDebugSession extends DebugSession {

    /**
     * 
-     * @param {import('vscode-debugprotocol').DebugProtocol.DisconnectResponse} response 
+     * @param {import('@vscode/debugprotocol').DebugProtocol.DisconnectResponse} response 
     */
    async disconnectRequest(response) {
        D('disconnectRequest');
@@ -857,8 +864,8 @@ class AndroidDebugSession extends DebugSession {
    /**
     * Called when the user requests a change to breakpoints in a source file
     * Note: all breakpoints in a file are always sent in args, even if they are not changing
-     * @param {import('vscode-debugprotocol').DebugProtocol.SetBreakpointsResponse} response
-     * @param {import('vscode-debugprotocol').DebugProtocol.SetBreakpointsArguments} args
+     * @param {import('@vscode/debugprotocol').DebugProtocol.SetBreakpointsResponse} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.SetBreakpointsArguments} args
     */
 	async setBreakPointsRequest(response, args) {
 		const source_filename = args.source && args.source.path;
@@ -928,7 +935,7 @@ class AndroidDebugSession extends DebugSession {
 	}

    /**
-     * @param {import('vscode-debugprotocol').DebugProtocol.SourceBreakpoint[]} breakpoints 
+     * @param {import('@vscode/debugprotocol').DebugProtocol.SourceBreakpoint[]} breakpoints 
     * @param {string} relative_fpn 
     */
    async setupBreakpointsInFile(breakpoints, relative_fpn) {
@@ -966,8 +973,8 @@ class AndroidDebugSession extends DebugSession {
    };

    /**
-     * @param {import('vscode-debugprotocol').DebugProtocol.SetExceptionBreakpointsResponse} response 
-     * @param {import('vscode-debugprotocol').DebugProtocol.SetExceptionBreakpointsArguments} args 
+     * @param {import('@vscode/debugprotocol').DebugProtocol.SetExceptionBreakpointsResponse} response 
+     * @param {import('@vscode/debugprotocol').DebugProtocol.SetExceptionBreakpointsArguments} args 
     */
    async setExceptionBreakPointsRequest(response, args) {
        await this.dbgr.clearBreakOnExceptions();
@@ -984,7 +991,7 @@ class AndroidDebugSession extends DebugSession {

    /**
     * 
-     * @param {import('vscode-debugprotocol').DebugProtocol.ThreadsResponse} response 
+     * @param {import('@vscode/debugprotocol').DebugProtocol.ThreadsResponse} response 
     */
 	async threadsRequest(response) {
        if (!this._threads.length) {
@@ -1010,8 +1017,8 @@ class AndroidDebugSession extends DebugSession {

 	/**
 	 * Returns a stack trace for the given threadId
-     * @param {import('vscode-debugprotocol').DebugProtocol.StackTraceResponse} response
-     * @param {import('vscode-debugprotocol').DebugProtocol.StackTraceArguments} args
+     * @param {import('@vscode/debugprotocol').DebugProtocol.StackTraceResponse} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.StackTraceArguments} args
 	 */
 	async stackTraceRequest(response, args) {
        D(`stackTraceRequest thread:${args.threadId}`);
@@ -1096,8 +1103,8 @@ class AndroidDebugSession extends DebugSession {
 	}

    /**
-     * @param {import('vscode-debugprotocol').DebugProtocol.ScopesResponse} response
-     * @param {import('vscode-debugprotocol').DebugProtocol.ScopesArguments} args
+     * @param {import('@vscode/debugprotocol').DebugProtocol.ScopesResponse} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.ScopesArguments} args
     */
 	async scopesRequest(response, args) {
        D(`scopesRequest frame:${args.frameId}`);
@@ -1128,8 +1135,8 @@ class AndroidDebugSession extends DebugSession {
    }

    /**
-     * @param {import('vscode-debugprotocol').DebugProtocol.SourceResponse} response
-     * @param {import('vscode-debugprotocol').DebugProtocol.SourceArguments} args
+     * @param {import('@vscode/debugprotocol').DebugProtocol.SourceResponse} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.SourceArguments} args
     */
    sourceRequest(response, args) {
        D(`sourceRequest: ${args.sourceReference}`);
@@ -1152,8 +1159,8 @@ class AndroidDebugSession extends DebugSession {
    }

    /**
-     * @param {import('vscode-debugprotocol').DebugProtocol.VariablesResponse} response
-     * @param {import('vscode-debugprotocol').DebugProtocol.VariablesArguments} args
+     * @param {import('@vscode/debugprotocol').DebugProtocol.VariablesResponse} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.VariablesArguments} args
     */
 	async variablesRequest(response, args) {
        D(`variablesRequest variablesReference:${args.variablesReference}`);
@@ -1240,8 +1247,8 @@ class AndroidDebugSession extends DebugSession {
    }

    /**
-     * @param {import('vscode-debugprotocol').DebugProtocol.ContinueResponse} response
-     * @param {import('vscode-debugprotocol').DebugProtocol.ContinueArguments} args
+     * @param {import('@vscode/debugprotocol').DebugProtocol.ContinueResponse} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.ContinueArguments} args
     */
 	continueRequest(response, args) {
        D(`Continue thread:${args.threadId}`);
@@ -1266,8 +1273,8 @@ class AndroidDebugSession extends DebugSession {
    /**
     * Called by the user to start a step operation
     * @param {DebuggerStepType} which 
-     * @param {import('vscode-debugprotocol').DebugProtocol.NextResponse} response
-     * @param {import('vscode-debugprotocol').DebugProtocol.NextArguments} args
+     * @param {import('@vscode/debugprotocol').DebugProtocol.NextResponse} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.NextArguments} args
     */
    doStep(which, response, args) {
        D(`step ${which}`);
@@ -1291,24 +1298,24 @@ class AndroidDebugSession extends DebugSession {
    }

    /**
-     * @param {import('vscode-debugprotocol').DebugProtocol.NextResponse} response
-     * @param {import('vscode-debugprotocol').DebugProtocol.StepInArguments} args
+     * @param {import('@vscode/debugprotocol').DebugProtocol.NextResponse} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.StepInArguments} args
     */
 	stepInRequest(response, args) {
        this.doStep('in', response, args);
 	}

    /**
-     * @param {import('vscode-debugprotocol').DebugProtocol.NextResponse} response
-     * @param {import('vscode-debugprotocol').DebugProtocol.NextArguments} args
+     * @param {import('@vscode/debugprotocol').DebugProtocol.NextResponse} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.NextArguments} args
     */
 	nextRequest(response, args) {
        this.doStep('over', response, args);
 	}

    /**
-     * @param {import('vscode-debugprotocol').DebugProtocol.NextResponse} response
-     * @param {import('vscode-debugprotocol').DebugProtocol.StepOutArguments} args
+     * @param {import('@vscode/debugprotocol').DebugProtocol.NextResponse} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.StepOutArguments} args
     */
 	stepOutRequest(response, args) {
        this.doStep('out', response, args);
@@ -1329,8 +1336,8 @@ class AndroidDebugSession extends DebugSession {
    }

    /**
-     * @param {import('vscode-debugprotocol').DebugProtocol.ExceptionInfoResponse} response
-     * @param {import('vscode-debugprotocol').DebugProtocol.ExceptionInfoArguments} args
+     * @param {import('@vscode/debugprotocol').DebugProtocol.ExceptionInfoResponse} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.ExceptionInfoArguments} args
     */
    async exceptionInfoRequest(response, args) {
        D(`exceptionInfoRequest: ${args.threadId}`);
@@ -1402,8 +1409,8 @@ class AndroidDebugSession extends DebugSession {
    }

    /**
-     * @param {import('vscode-debugprotocol').DebugProtocol.SetVariableResponse} response
-     * @param {import('vscode-debugprotocol').DebugProtocol.SetVariableArguments} args
+     * @param {import('@vscode/debugprotocol').DebugProtocol.SetVariableResponse} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.SetVariableArguments} args
     */
    async setVariableRequest(response, args) {

@@ -1434,8 +1441,8 @@ class AndroidDebugSession extends DebugSession {

    /**
     * Called by VSCode to perform watch, console and hover evaluations
-     * @param {import('vscode-debugprotocol').DebugProtocol.EvaluateResponse} response
-     * @param {import('vscode-debugprotocol').DebugProtocol.EvaluateArguments} args
+     * @param {import('@vscode/debugprotocol').DebugProtocol.EvaluateResponse} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.EvaluateArguments} args
     */
 	async evaluateRequest(response, args) {

@@ -1504,7 +1511,7 @@ class AndroidDebugSession extends DebugSession {
 class EvalQueueEntry {
    /**
     * @param {string} expression
-     * @param {import('vscode-debugprotocol').DebugProtocol.EvaluateResponse} response
+     * @param {import('@vscode/debugprotocol').DebugProtocol.EvaluateResponse} response
     * @param {DebuggerValue[]} locals
     * @param {VariableManager} var_manager 
     * @param {AndroidThread} thread
--- a/src/debugger-types.js
+++ b/src/debugger-types.js
@@ -1,8 +1,10 @@
-const { ADBClient } = require('./adbclient');
-const { PackageInfo } = require('./package-searcher');
-//const { JavaType } = require('./util');
 const { splitSourcePath } = require('./utils/source-file');

+/**
+ * @typedef {import('./package-searcher').PackageInfo} PackageInfo
+ * @typedef {import('./adbclient').ADBClient} ADBClient
+ */
+
 class BuildInfo {
    /**
     * @param {Map<string,PackageInfo>} packages 
@@ -713,8 +715,8 @@ class TypeNotAvailable extends DebuggerTypeInfo  {

    constructor(type) {
        super(TypeNotAvailable.info, type);
-        super.fields = [];
-        super.methods = [];
+        this.fields = [];
+        this.methods = [];
    }
 }

--- a/src/debugger.js
+++ b/src/debugger.js
@@ -8,9 +8,7 @@ const { D } = require('./utils/print');
 const { sleep } = require('./utils/thread');
 const { decodeJavaStringLiteral } = require('./utils/char-decode');
 const {
-    AttachBuildInfo,
    BreakpointLocation,
-    BreakpointOptions,
    DebuggerBreakpoint,
    DebuggerFrameInfo,
    DebuggerMethodInfo,
@@ -30,6 +28,11 @@ const {
    TypeNotAvailable,
 } = require('./debugger-types');

+/**
+ * @typedef {import('./debugger-types').AttachBuildInfo} AttachBuildInfo
+ * @typedef {import('./debugger-types').BreakpointOptions} BreakpointOptions
+ */
+
 class Debugger extends EventEmitter {

    constructor () {
--- a/src/expression/evaluate.js
+++ b/src/expression/evaluate.js
@@ -20,7 +20,7 @@ const { D } = require('../utils/print');
 const { decodeJavaCharLiteral } = require('../utils/char-decode');

 /**
- * @param {Long.Long} long 
+ * @param {Long} long 
 */
 function hex_long(long) {
    return long.toUnsigned().toString(16).padStart(64/4, '0');
@@ -334,7 +334,7 @@ function evaluate_binary_long_expression(lhs, rhs, operator) {
        return Long.fromString(`${local.value}`, false, radix);
    }

-    /** @type {Long.Long|boolean} */
+    /** @type {Long|boolean} */
    let a = longify(lhs), b = longify(rhs);

    // dividend cannot be zero for / and %
@@ -362,7 +362,7 @@ function evaluate_binary_long_expression(lhs, rhs, operator) {
        case '>=': a = a.gte(b); break;
        default: throw invalid_operator(operator);
    }
-    /** @type {boolean|Long.Long|string} */
+    /** @type {boolean|Long|string} */
    let value = a, result_type = 'boolean';
    if (typeof a !== 'boolean') {
        value = hex_long(a);
@@ -875,7 +875,7 @@ function incompatible_cast(type, local) {
 }

 /**
- * @param {Long.Long} value 
+ * @param {Long} value 
 * @param {8|16|32} bits 
 */
 function signed_from_long(value, bits) {
--- a/src/jdwp.js
+++ b/src/jdwp.js
@@ -1,11 +1,12 @@
 const { D, E } = require('./utils/print');
-const {
-	DebuggerMethodInfo,
-	DebuggerTypeInfo,
-	JavaTaggedValue,
-} = require('./debugger-types');
 const { JavaType } = require('./debugger-types');

+/**
+ * @typedef {import('./debugger-types').DebuggerMethodInfo} DebuggerMethodInfo
+ * @typedef {import('./debugger-types').DebuggerTypeInfo} DebuggerTypeInfo
+ * @typedef {import('./debugger-types').JavaTaggedValue} JavaTaggedValue
+ */
+
 /** the next command ID */
 let gCommandId = 0;

--- a/src/jsconfig.json
+++ b/src/jsconfig.json
@@ -5,7 +5,8 @@
        "checkJs": true,
        "lib": [
            "es2018"
-        ]
+        ],
+        "resolveJsonModule": true
    },
    "exclude": [
        "node_modules"
--- a/src/manifest.js
+++ b/src/manifest.js
@@ -66,24 +66,27 @@ function parseManifest(xml) {
        launcher: '',
    }
    const doc = new dom().parseFromString(xml);
+    const attributeValue = (/** @type {xpath.SelectedValue} */ selectedValue) => {
+        return xpath.isAttribute(selectedValue) ? selectedValue.value : '';
+    };
    // extract the package name from the manifest
    const pkg_xpath = '/manifest/@package';
-    result.package = xpath.select1(pkg_xpath, doc).value;
+    result.package = attributeValue(xpath.select1(pkg_xpath, doc));
    const android_select = xpath.useNamespaces({"android": "http://schemas.android.com/apk/res/android"});
    
    // extract a list of all the (named) activities declared in the manifest
    const activity_xpath = '/manifest/application/activity/@android:name';
    const activity_nodes = android_select(activity_xpath, doc);
-    if (activity_nodes) {
-        result.activities = activity_nodes.map(n => n.value);
+    if (Array.isArray(activity_nodes)) {
+        result.activities = activity_nodes.map(n => attributeValue(n));
    }

    // extract the default launcher activity
    const launcher_xpath = '/manifest/application/activity[intent-filter/action[@android:name="android.intent.action.MAIN"] and intent-filter/category[@android:name="android.intent.category.LAUNCHER"]]/@android:name';
    const launcher_nodes = android_select(launcher_xpath, doc);
    // should we warn if there's more than one?
-    if (launcher_nodes && launcher_nodes.length >= 1) {
-        result.launcher = launcher_nodes[0].value
+    if (Array.isArray(launcher_nodes) && launcher_nodes.length >= 1) {
+        result.launcher = attributeValue(launcher_nodes[0]);
    }

    return result;
--- a/src/sockets/androidsocket.js
+++ b/src/sockets/androidsocket.js
@@ -15,12 +15,13 @@ class AndroidSocket extends EventEmitter {
    }

    connect(port, hostname) {
+        const stackOnError = new Error().stack;
        return new Promise((resolve, reject) => {
            if (this.socket) {
-                return reject(new Error(`${this.which} Socket connect failed. Socket already connected.`));
+                return reject(new Error(`${this.which} Socket connect failed. Socket already connected. ${stackOnError}`));
            }
            const connection_error = err => {
-                return reject(new Error(`${this.which} Socket connect failed. ${err.message}.`));
+                return reject(new Error(`${this.which} Socket connect failed. ${err.message}. ${stackOnError}`));
            }
            const post_connection_error = err => {
                this.socket_error = err;
@@ -45,7 +46,8 @@ class AndroidSocket extends EventEmitter {
                    resolve();
                })
                .on('error', err => error_handler(err));
-            this.socket.connect(port, hostname);
+            // for some reason if hostname is left blank, it will sometimes return ECONNREFUSED
+            this.socket.connect(port, hostname || '127.0.0.1');
        });
    }

@@ -68,18 +70,21 @@ class AndroidSocket extends EventEmitter {
     */
    async read_bytes(length, format, timeout_ms) {
        //D(`reading ${length} bytes`);
-        let actual_length = length;
-        if (typeof actual_length === 'undefined') {
+        let actual_length = undefined;
+        if (typeof length === 'undefined') {
            if (this.readbuffer.byteLength > 0 || this.socket_ended) {
                actual_length = this.readbuffer.byteLength;
            }
        }
-        if (actual_length < 0) {
-            throw new Error(`${this.which} socket read failed. Attempt to read ${actual_length} bytes.`);
-        }
        if (length === 'length+data' && this.readbuffer.byteLength >= 4) {
            length = actual_length = this.readbuffer.readUInt32BE(0);
        }
+        if (typeof length === 'number') {
+            actual_length = length;
+        }
+        if (actual_length < 0) {
+            throw new Error(`${this.which} socket read failed. Attempt to read ${actual_length} bytes.`);
+        }
        if (this.socket_ended) {
            if (actual_length <= 0 || (this.readbuffer.byteLength < actual_length)) {
                this.check_socket_active('read');
@@ -88,12 +93,10 @@ class AndroidSocket extends EventEmitter {
        // do we have enough data in the buffer?
        if (this.readbuffer.byteLength >= actual_length) {
            //D(`got ${actual_length} bytes`);
-            let data = this.readbuffer.slice(0, actual_length);
+            const data = this.readbuffer.slice(0, actual_length);
            this.readbuffer = this.readbuffer.slice(actual_length);
-            if (format) {
-                data = data.toString(format);
-            }
-            return Promise.resolve(data);
+            const result = format ? data.toString(format) : data;
+            return Promise.resolve(result);
        }
        // wait for the socket to update and then retry the read
        await this.wait_for_socket_data(timeout_ms);
--- a/src/stack-frame.js
+++ b/src/stack-frame.js
@@ -1,9 +1,13 @@
-const { Debugger } = require('./debugger');
-const { DebuggerFrameInfo, DebuggerValue, JavaType, LiteralValue, VariableValue } = require('./debugger-types');
+const { DebuggerValue, JavaType, LiteralValue, VariableValue } = require('./debugger-types');
 const { assignVariable } = require('./expression/assign');
 const { NumberBaseConverter } = require('./utils/nbc');
 const { VariableManager } = require('./variable-manager');

+/**
+ * @typedef {import('./debugger').Debugger} Debugger
+ * @typedef {import('./debugger-types').DebuggerFrameInfo} DebuggerFrameInfo
+ */
+
 /**
 * @param {DebuggerValue[]} variables 
 * @param {boolean} thisFirst 
--- a/src/state.js
+++ b/src/state.js
@@ -1,11 +0,0 @@
-const vscode = require('vscode');
-const fs = require('fs');
-const path = require('path');
-const os = require('os');
-
-var adext = {};
-try {
-    Object.assign(adext, JSON.parse(fs.readFileSync(path.join(path.dirname(__dirname),'package.json'),'utf8')));
-} catch (ex) { }
-
-exports.adext = adext;
--- a/src/threads.js
+++ b/src/threads.js
@@ -1,8 +1,13 @@
-const { Debugger } = require('./debugger');
-const { DebuggerException, DebuggerFrameInfo, SourceLocation } = require('./debugger-types');
 const { DebuggerStackFrame } = require('./stack-frame');
 const { VariableManager } = require('./variable-manager');

+/**
+ * @typedef {import('./debugger').Debugger} Debugger
+ * @typedef {import('./debugger-types').DebuggerException} DebuggerException
+ * @typedef {import('./debugger-types').DebuggerFrameInfo} DebuggerFrameInfo
+ * @typedef {import('./debugger-types').SourceLocation} SourceLocation
+ */
+
 // vscode doesn't like thread id reuse (the Android runtime is OK with it)
 let nextVSCodeThreadId = 0;

--- a/src/variable-manager.js
+++ b/src/variable-manager.js
@@ -1,6 +1,10 @@
-const { DebuggerValue, JavaType, VariableValue } = require('./debugger-types');
+const { JavaType, VariableValue } = require('./debugger-types');
 const { NumberBaseConverter } = require('./utils/nbc');

+/**
+ * @typedef {import('./debugger-types').DebuggerValue} DebuggerValue
+ */
+
 /**
 * Class to manage variable references used by VS code.
 *