Initial GC integration (AssemblyScript#196)

Author: dcodeIO

lib/lint/base.json

@@ -90,11 +90,6 @@
     "no-unsafe-any": {
       "severity": "error"
     },
-    "no-unused-variable": {
-      "options": [{
-        "ignore-pattern": "^_"
-      }]
-    },
     "no-void-expression": {
       "severity": "error"
     },

lib/loader/README.md

@@ -65,7 +65,7 @@ Instances are automatically populated with useful utility:
 
   ```js
   import "allocator/tlsf";
-  export { allocate_memory, free_memory };
+  export { memory };
   ```
 
 * **getString**(ptr: `number`): `string`<br />
@@ -126,7 +126,7 @@ var str = "Hello world!";
 var ptr = module.newString(str);
 
 // Disposing a string that is no longer needed (requires free_memory to be exported)
-module.free_memory(ptr);
+module.memory.free(ptr);
 
 // Obtaining a string, i.e. as returned by an export
 var ptrToString = ...;

lib/loader/index.d.ts

@@ -44,8 +44,8 @@ export declare function instantiate<T extends {}>(module: WebAssembly.Module, im
 /** Instantiates an AssemblyScript module from a buffer using the specified imports. */
 export declare function instantiateBuffer<T extends {}>(buffer: Uint8Array, imports?: ImportsObject): ASUtil & T;
 
-/** Instantiates an AssemblyScript module from a response using the sspecified imports. */
-export declare function instantiateStreaming<T extends {}>(response: Response, imports?: ImportsObject): Promise<ASUtil & T>;
+/** Instantiates an AssemblyScript module from a response using the specified imports. */
+export declare function instantiateStreaming<T extends {}>(result: Promise<Response>, imports?: ImportsObject): Promise<ASUtil & T>;
 
 /** Demangles an AssemblyScript module's exports to a friendly object structure. */
 export declare function demangle<T extends {}>(exports: {}): T;

lib/loader/index.js

@@ -45,7 +45,7 @@ function instantiate(module, imports) {
   /** Allocates a new string in the module's memory and returns its pointer. */
   function newString(str) {
     var dataLength = str.length;
-    var ptr = exports.allocate_memory(4 + (dataLength << 1));
+    var ptr = exports["memory.allocate"](4 + (dataLength << 1));
     var dataOffset = (4 + ptr) >>> 1;
     checkMem();
     U32[ptr >>> 2] = dataLength;

lib/loader/package.json

@@ -4,6 +4,7 @@
   "main": "index.js",
   "types": "index.d.ts",
   "scripts": {
+    "test:build": "asc tests/assembly/index.ts -b tests/build/untouched.wasm",
     "test": "node tests"
   },
   "files": [

lib/loader/tests/assembly/index.ts

@@ -1,5 +1,7 @@
 import "allocator/arena";
 
+export { memory };
+
 export const COLOR: string = "red";
 
 export function strlen(str: string): i32 {
@@ -14,7 +16,7 @@ export namespace math {
 
 export class Car {
   static readonly MAX_DOORS: i32 = 5;
-  static usualDoors: i32 = 3;
+  static readonly usualDoors: i32 = 3;
 
   numDoors: i32;
   private doorsOpen: bool = false;
@@ -42,5 +44,3 @@ export class Car {
     memory.free(changetype<usize>(this));
   }
 }
-
-export { memory };

lib/loader/tests/build/untouched.wasm

@@ -23,6 +23,7 @@ assert(typeof proto.getString === "function");
 
 // should export memory
 assert(module.memory instanceof WebAssembly.Memory);
+assert(typeof module.memory.free === "function");
 
 // should be able to get an exported string
 assert.strictEqual(module.getString(module.COLOR), "red");