1 files changed, 183 insertions, 0 deletions
diff --git a/docs/demo/wat2wasm/examples.js b/docs/demo/wat2wasm/examples.js
new file mode 100644
index 00000000..02fe3116
--- /dev/null
+++ b/docs/demo/wat2wasm/examples.js
@@ -0,0 +1,183 @@
+/*
+ * Copyright 2016 WebAssembly Community Group participants
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+var examples = [
+  {
+    name: 'empty',
+    contents: '(module)',
+    js: '',
+  },
+
+  {
+    name: 'simple',
+    contents:
+`(module
+  (func (export "addTwo") (param i32 i32) (result i32)
+    local.get 0
+    local.get 1
+    i32.add))
+`,
+    js:
+`const wasmInstance =
+      new WebAssembly.Instance(wasmModule, {});
+const { addTwo } = wasmInstance.exports;
+for (let i = 0; i < 10; i++) {
+  console.log(addTwo(i, i));
+}
+`,
+  },
+
+  {
+    name: 'factorial',
+    contents:
+`(module
+  (func $fac (export "fac") (param f64) (result f64)
+    local.get 0
+    f64.const 1
+    f64.lt
+    if (result f64)
+      f64.const 1
+    else
+      local.get 0
+      local.get 0
+      f64.const 1
+      f64.sub
+      call $fac
+      f64.mul
+    end))
+`,
+    js: `const wasmInstance =
+    new WebAssembly.Instance(wasmModule, {});
+const { fac } = wasmInstance.exports;
+for (let i = 1; i <= 15; i++) {
+  console.log(fac(i));
+}
+`,
+  },
+
+  {
+    name: 'stuff',
+    contents:
+`(module
+  (import "foo" "bar" (func (param f32)))
+  (memory (data "hi"))
+  (type (func (param i32) (result i32)))
+  (start 1)
+  (table 0 1 anyfunc)
+  (func)
+  (func (type 1)
+    i32.const 42
+    drop)
+  (export "e" (func 1)))
+`,
+    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));
+`
+  }
+];