Parser fixes; Lib updates

std/assembly/iterator.ts

@@ -0,0 +1,4 @@
+// export abstract class Iterator<T> {
+//   abstract get done(): bool;
+//   abstract next(): T;
+// }

std/assembly/map.ts

@@ -1,3 +1,37 @@
 export class Map<K,V> {
-  // TODO
+
+  private __keys: K[] = [];
+  private __values: V[] = [];
+
+  // FIXME: not a proper map implementation, just a filler
+
+  get size(): i32 {
+    return this.__keys.length;
+  }
+
+  get(key: K): V | null {
+    var keys = this.__keys;
+    for (var i = 0, k = keys.length; i < k; ++i)
+      if (keys[i] == key)
+        return this.__values[i];
+    return null;
+  }
+
+  has(key: K): bool {
+    var keys = this.__keys;
+    for (var i = 0, k = keys.length; i < k; ++i)
+      if (keys[i] == key)
+        return true;
+    return false;
+  }
+
+  set(key: K, value: V): void {
+    this.__keys.push(key);
+    this.__values.push(value);
+  }
+
+  clear(): void {
+    this.__keys.length = 0;
+    this.__values.length = 0;
+  }
 }

std/assembly/set.ts

@@ -66,3 +66,14 @@ export class Set<T> {
 
   // TODO: think about iterators
 }
+
+// class SetIterator<T> extends Iterator<T> {
+
+//   get done(): bool {
+//     throw new Error("not implemented");
+//   }
+
+//   next(): T {
+//     throw new Error("not implemented");
+//   }
+// }