1 files changed, 100 insertions, 12 deletions
diff --git a/demo/wat2wasm/examples.js b/demo/wat2wasm/examples.js
index 901b5da8..504d83d2 100644
--- a/demo/wat2wasm/examples.js
+++ b/demo/wat2wasm/examples.js
@@ -25,11 +25,10 @@ var examples = [
     name: 'simple',
     contents:
 `(module
-  (func $addTwo (param i32 i32) (result i32)
-    get_local 0
-    get_local 1
-    i32.add)
-  (export "addTwo" (func $addTwo)))
+  (func (export "addTwo") (param i32 i32) (result i32)
+    local.get 0
+    local.get 1
+    i32.add))
 `,
     js:
 `const wasmInstance =
@@ -45,21 +44,20 @@ for (let i = 0; i < 10; i++) {
     name: 'factorial',
     contents:
 `(module
-  (func $fac (param f64) (result f64)
-    get_local 0
+  (func (export "fac") (param f64) (result f64)
+    local.get 0
     f64.const 1
     f64.lt
     if (result f64)
       f64.const 1
     else
-      get_local 0
-      get_local 0
+      local.get 0
+      local.get 0
       f64.const 1
       f64.sub
       call $fac
       f64.mul
-    end)
-  (export "fac" (func $fac)))
+    end))
 `,
     js: `const wasmInstance =
     new WebAssembly.Instance(wasmModule, {});
@@ -85,11 +83,101 @@ for (let i = 1; i <= 15; i++) {
     drop)
   (export "e" (func 1)))
 `,
-    js: `var wasmInstance = new WebAssembly.Instance(wasmModule, {
+    js: `const wasmInstance = new WebAssembly.Instance(wasmModule, {
   foo: {
     bar() {}
   },
 });
 `,
+  },
+
+  {
+    name: 'mutable globals',
+    contents:
+`(module
+  (import "env" "g" (global (mut i32)))
+  (func (export "f")
+    i32.const 100
+    global.set 0))
+`,
+    js:
+`
+  const g = new WebAssembly.Global({value: 'i32', mutable: true});
+  const wasmInstance = new WebAssembly.Instance(wasmModule, {env: {g}});
+  console.log('before: ' + g.value);
+  wasmInstance.exports.f();
+  console.log('after: ' + g.value);
+`
+  },
+
+  {
+    name: "saturating float-to-int",
+    contents:
+`(module
+  (func (export "f") (param f32) (result i32)
+    local.get 0
+    i32.trunc_sat_f32_s))`,
+    js:
+`const wasmInstance = new WebAssembly.Instance(wasmModule);
+const {f} = wasmInstance.exports;
+console.log(f(Infinity));`
+  },
+
+  {
+    name: "sign extension",
+    contents:
+`(module
+  (func (export "f") (param i32) (result i32)
+    local.get 0
+    i32.extend8_s))
+`,
+    js:
+`const wasmInstance = new WebAssembly.Instance(wasmModule);
+const {f} = wasmInstance.exports;
+console.log(f(0));
+console.log(f(127));
+console.log(f(128));
+console.log(f(255));`
+  },
+
+  {
+    name: "multi value",
+    contents:
+`(module
+  (func $swap (param i32 i32) (result i32 i32)
+    local.get 1
+    local.get 0)
+
+  (func (export "reverseSub") (param i32 i32) (result i32)
+    local.get 0
+    local.get 1
+    call $swap
+    i32.sub))
+`,
+    js:
+`const wasmInstance = new WebAssembly.Instance(wasmModule);
+const {reverseSub} = wasmInstance.exports;
+console.log(reverseSub(10, 3));`
+  },
+
+  {
+    name: "bulk memory",
+    contents:
+`(module
+  (memory (export "mem") 1)
+  (func (export "fill") (param i32 i32 i32)
+    local.get 0
+    local.get 1
+    local.get 2
+    memory.fill))
+`,
+    js:
+`const wasmInstance = new WebAssembly.Instance(wasmModule);
+const {fill, mem} = wasmInstance.exports;
+fill(0, 13, 5);
+fill(10, 77, 7);
+fill(20, 255, 1000);
+console.log(new Uint8Array(mem.buffer, 0, 50));
+`
   }
 ];