Initial commit

src/glue/js.d.ts

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+// Aliased AssemblyScript types. Beware of semantic differences.
+declare type i8 = number;
+declare type u8 = number;
+declare type i16 = number;
+declare type u16 = number;
+declare type i32 = number;
+declare type u32 = number;
+declare type isize = number;
+declare type usize = number;
+declare type f32 = number;
+declare type f64 = number;
+declare type bool = boolean;
+
+// Raw memory access (here: Binaryen memory, T=u8)
+declare function store<T>(ptr: usize, val: u8): void;
+declare function load<T>(ptr: usize): u8;

src/glue/js.ts

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+const globalScope = typeof window !== "undefined" && window
+                 || typeof global !== "undefined" && global
+                 || self;
+
+globalScope["store"] = function store_u8(ptr, val) {
+  binaryen.HEAPU8[ptr] = val;
+};
+
+globalScope["load"] = function load_u8(ptr) {
+  return binaryen.HEAPU8[ptr];
+};
+
+const binaryen = require("binaryen");
+for (const key in binaryen)
+  if (/^_(?:Binaryen|Relooper|malloc$|free$)/.test(key))
+    globalScope[key] = binaryen[key];