Fix missing dependency in asc, see AssemblyScript#157; Downgrade ts-node to v6

Author: dcodeIO

cli/asc.js

@@ -24,17 +24,25 @@ const EOL = process.platform === "win32" ? "\r\n" : "\n";
 // Use distribution files if present, otherwise run the sources directly
 var assemblyscript, isDev = false;
 (() => {
-  try {
+  try { // `asc` on the command line
     assemblyscript = require("../dist/assemblyscript.js");
   } catch (e) {
-    try {
+    try { // `asc` on the command line without dist files
       require("ts-node").register({ project: path.join(__dirname, "..", "src", "tsconfig.json") });
       require("../src/glue/js");
       assemblyscript = require("../src");
       isDev = true;
-    } catch (e) {
-      // last resort: same directory CommonJS
-      assemblyscript = eval("require('./assemblyscript')");
+    } catch (e_ts) {
+      try { // `require("dist/asc.js")` in explicit browser tests
+        assemblyscript = eval("require('./assemblyscript')");
+      } catch (e) {
+        // combine both errors that lead us here
+        e.stack = e_ts.stack + "\n---\n" + e.stack;
+        // Emscripten adds an `uncaughtException` listener to Binaryen that results in an additional
+        // useless code fragment on top of the actual error. suppress this:
+        if (process.removeAllListeners) process.removeAllListeners("uncaughtException");
+        throw e;
+      }
     }
   }
 })();
@@ -408,9 +416,8 @@ exports.main = function main(argv, options, callback) {
   assemblyscript.setGlobalAlias(compilerOptions, "abort", "~lib/env/abort"); // to disable: --use abort=
 
   // Add or override aliases if specified
-  var aliases = args.use;
-  if (aliases != null) {
-    if (typeof aliases === "string") aliases = aliases.split(",");
+  if (args.use) {
+    let aliases = args.use;
     for (let i = 0, k = aliases.length; i < k; ++i) {
       let part = aliases[i];
       let p = part.indexOf("=");
@@ -709,7 +716,7 @@ exports.main = function main(argv, options, callback) {
     var files;
     try {
       stats.readTime += measure(() => {
-        files = require("glob").sync("!(*.d).ts", { cwd: dirname });
+        files = fs.readdirSync(dirname).filter(file => /^(?!.*\.d\.ts$).*\.ts$/.test(file));
       });
       return files;
     } catch (e) {

cli/asc.json

@@ -133,7 +133,7 @@
       "Aliases a global object under another name, e.g., to switch",
       "the default 'Math' implementation used: --use Math=JSMath"
     ],
-    "type": "s",
+    "type": "S",
     "alias": "u"
   },
   "trapMode": {

cli/util/options.js

@@ -30,13 +30,15 @@ function parse(argv, config) {
   for (var i = 0, k = (argv = argv.slice()).length; i < k; ++i) {
     let arg = argv[i];
     if (arg == "--") { ++i; break; }
-    let match = /^(?:(\-\w)|(\-\-\w{2,})(?:=(.*))?)$/.exec(arg), option, key;
+    let match = /^(?:(\-\w)(?:=(.*))?|(\-\-\w{2,})(?:=(.*))?)$/.exec(arg), option, key;
     if (match) {
       if (config[arg]) option = config[key = arg]; // exact
-      else if (match[1] != null) option = config[key = aliases[match[1].substring(1)]]; // alias
-      else if (match[2] != null) {
-        option = config[key = match[2].substring(2)]; // full
-        if (option && match[3] != null) argv[i--] = match[3];
+      else if (match[1] != null) { // alias
+        option = config[key = aliases[match[1].substring(1)]];
+        if (option && match[2] != null) argv[i--] = match[2];
+      } else if (match[3] != null) { // full
+        option = config[key = match[3].substring(2)];
+        if (option && match[4] != null) argv[i--] = match[4];
       }
     } else {
       if (arg.charCodeAt(0) == 45) option = config[key = arg]; // exact

dist/asc.js

@@ -21,7 +21,7 @@
     "diff": "^3.5.0",
     "glob": "^7.1.2",
     "ts-loader": "^4.4.2",
-    "ts-node": "^7.0.0",
+    "ts-node": "^6.2.0",
     "tslint": "^5.10.0",
     "typedoc": "^0.11.1",
     "typedoc-plugin-external-module-name": "^1.1.1",

dist/asc.js.map

@@ -5894,8 +5894,7 @@ export class Compiler extends DiagnosticEmitter {
     // otherwise resolve
     var target = this.program.resolveIdentifier( // reports
       expression,
-      currentFunction,
-      this.currentEnum
+      this.currentEnum || currentFunction
     );
     if (!target) return module.createUnreachable();
 

dist/assemblyscript.js

@@ -4,9 +4,6 @@
  * @preferred
  *//***/
 
-/// <reference path="./binaryen.d.ts" />
-/// <reference path="./float.d.ts" />
-/// <reference path="./i64.d.ts" />
 /// <reference path="./node.d.ts" />
 
 import "../../../std/portable/index";

dist/assemblyscript.js.map

@@ -326,13 +326,11 @@ export class Program extends DiagnosticEmitter {
 
   /** Array prototype reference. */
   arrayPrototype: ClassPrototype | null = null;
-  /** ArrayBufferView prototype reference. */
-  arrayBufferViewPrototype: InterfacePrototype | null = null;
   /** String instance reference. */
   stringInstance: Class | null = null;
   /** Start function reference. */
   startFunction: FunctionPrototype;
-  /** Main function reference. */
+  /** Main function reference, if present. */
   mainFunction: FunctionPrototype | null = null;
 
   /** Target expression of the previously resolved property or element access. */
@@ -593,13 +591,6 @@ export class Program extends DiagnosticEmitter {
       this.arrayPrototype = <ClassPrototype>arrayPrototype;
     }
 
-    // register 'ArrayBufferView'
-    var arrayBufferViewPrototype = this.elementsLookup.get("ArrayBufferView");
-    if (arrayBufferViewPrototype) {
-      assert(arrayBufferViewPrototype.kind == ElementKind.INTERFACE_PROTOTYPE);
-      this.arrayBufferViewPrototype = <InterfacePrototype>arrayBufferViewPrototype;
-    }
-
     // register 'String'
     var stringPrototype = this.elementsLookup.get("String");
     if (stringPrototype) {
@@ -2097,58 +2088,46 @@ export class Program extends DiagnosticEmitter {
   /** Resolves an identifier to the element it refers to. */
   resolveIdentifier(
     identifier: IdentifierExpression,
-    contextualFunction: Function | null,
-    contextualEnum: Enum | null = null
+    context: Element | null
   ): Element | null {
     var name = identifier.text;
-
     var element: Element | null;
-    var namespace: Element | null;
 
-    // check siblings
-    if (contextualEnum) {
+    if (context) {
+      let parent: Element | null;
 
-      if (
-        contextualEnum.members &&
-        (element = contextualEnum.members.get(name)) &&
-        element.kind == ElementKind.ENUMVALUE
-      ) {
-        this.resolvedThisExpression = null;
-        this.resolvedElementExpression = null;
-        return element; // ENUMVALUE
-      }
-
-    } else if (contextualFunction) {
-
-      // check locals
-      if (element = contextualFunction.flow.getScopedLocal(name)) {
-        this.resolvedThisExpression = null;
-        this.resolvedElementExpression = null;
-        return element; // LOCAL
-      }
-
-      // check outer scope locals
-      // let outerScope = contextualFunction.outerScope;
-      // while (outerScope) {
-      //   if (element = outerScope.getScopedLocal(name)) {
-      //     let scopedLocal = <Local>element;
-      //     let scopedGlobal = scopedLocal.scopedGlobal;
-      //     if (!scopedGlobal) scopedGlobal = outerScope.addScopedGlobal(scopedLocal);
-      //     if (!resolvedElement) resolvedElement = new ResolvedElement();
-      //     return resolvedElement.set(scopedGlobal);
-      //   }
-      //   outerScope = outerScope.currentFunction.outerScope;
-      // }
+      switch (context.kind) {
+        case ElementKind.FUNCTION: { // search locals
+          element = (<Function>context).flow.getScopedLocal(name);
+          if (element) {
+            this.resolvedThisExpression = null;
+            this.resolvedElementExpression = null;
+            return element;
+          }
+          parent = (<Function>context).prototype.parent;
+          break;
+        }
+        case ElementKind.CLASS: {
+          parent = (<Class>context).prototype.parent;
+          break;
+        }
+        default: {
+          parent = context;
+          break;
+        }
+      }
 
-      // search contextual parent namespaces if applicable
-      if (namespace = contextualFunction.prototype.parent) {
-        do {
-          if (element = this.elementsLookup.get(namespace.internalName + STATIC_DELIMITER + name)) {
+      // search parent
+      while (parent) {
+        let members = parent.members;
+        if (members) {
+          if (element = members.get(name)) {
             this.resolvedThisExpression = null;
             this.resolvedElementExpression = null;
-            return element; // LOCAL
+            return element;
           }
-        } while (namespace = namespace.parent);
+        }
+        parent = parent.parent;
       }
     }
 

package-lock.json

@@ -5,7 +5,7 @@
     "module": "commonjs",
     "noLib": true,
     "allowJs": false,
-    "typeRoots": [ "." ],
-    "types": [ "assembly/" ]
+    "typeRoots": [ "types" ],
+    "types": [ "assembly" ]
   }
 }

package.json

@@ -7,7 +7,7 @@
     "allowJs": true,
     "downlevelIteration": true,
     "preserveConstEnums": true,
-    "typeRoots": [ "." ],
-    "types": [ "portable/" ]
+    "typeRoots": [ "types" ],
+    "types": [ "portable" ]
   }
 }

src/compiler.ts

@@ -0,0 +1 @@
+import "../../assembly/index";

src/glue/js/index.ts

@@ -0,0 +1,3 @@
+{
+  "types": "index.d.ts"
+}

src/program.ts

@@ -0,0 +1 @@
+import "../../portable/index";

std/assembly.json

@@ -0,0 +1,3 @@
+{
+  "types": "index.d.ts"
+}

std/portable.json

@@ -49,11 +49,7 @@ if (argv.length) {
   }
 }
 
-require("ts-node").register({
-  project: path.join(__dirname, "..", "src", "tsconfig.json"),
-  cache: false // FIXME: for some reason, if both asc and the parser tests use caching, the one
-               // invoked later cannot find some definition files.
-});
+require("ts-node").register({ project: path.join(__dirname, "..", "src", "tsconfig.json") });
 require("../src/glue/js");
 
 var Parser = require("../src/parser").Parser;