Replace more .wast references with .wat

examples/game-of-life/README.md

@@ -6,7 +6,7 @@ An [AssemblyScript](http://assemblyscript.org) example. Continuously updates the
 Instructions
 ------------
 
-To build [assembly/game-of-life.ts](./assembly/game-of-life.ts) to an untouched and an optimized `.wasm` including their respective `.wast` representations, run:
+To build [assembly/game-of-life.ts](./assembly/game-of-life.ts) to an untouched and an optimized `.wasm` including their respective `.wat` representations, run:
 
 ```
 $> npm run build

examples/i64-polyfill/README.md

@@ -119,7 +119,7 @@ API
 Building
 --------
 
-To build [assembly/i64.ts](./assembly/i64.ts) to an untouched and an optimized `.wasm` including their respective `.wast` representations, run:
+To build [assembly/i64.ts](./assembly/i64.ts) to an untouched and an optimized `.wasm` including their respective `.wat` representations, run:
 
 ```
 $> npm run build

examples/pson/README.md

@@ -6,7 +6,7 @@ An [AssemblyScript](http://assemblyscript.org) example. Decodes a [PSON](https:/
 Instructions
 ------------
 
-To build [assembly/pson.ts](./assembly/pson.ts) to an untouched and an optimized `.wasm` including their respective `.wast` representations, run:
+To build [assembly/pson.ts](./assembly/pson.ts) to an untouched and an optimized `.wasm` including their respective `.wat` representations, run:
 
 ```
 $> npm run build

examples/ugc/README.md

@@ -6,7 +6,7 @@ A port of [Bach Le's μgc garbage collector library](https://github.com/bullno1/
 Instructions
 ------------
 
-To build [assembly/ugc.ts](./assembly/ugc.ts) to an untouched and an optimized `.wasm` including their respective `.wast` representations, run:
+To build [assembly/ugc.ts](./assembly/ugc.ts) to an untouched and an optimized `.wasm` including their respective `.wat` representations, run:
 
 ```
 $> npm run build

lib/webpack/index.js

@@ -22,7 +22,7 @@ function compile() {
     path.basename(this.resourcePath),
     "--baseDir", path.dirname(this.resourcePath),
     "--binaryFile", basePath + ".wasm",
-    "--textFile", basePath + ".wast",
+    "--textFile", basePath + ".wat",
     "--validate",
     "--optimize"
   ];

tests/binaryen/asmjs.wat

@@ -0,0 +1,18 @@
+(module
+ (type $i (func (param i32) (result i32)))
+ (memory $0 0)
+ (export "test/switch/case/eval" (func $test/switch/case/eval))
+ (import "env" "switch" (func $switch (param i32 i32 i32 i32)))
+ (global $HEAP_BASE i32 (i32.const 4))
+ (global $FLT i32 (f32.const -4.0))
+ (global $DBL i32 (f64.const -4.0))
+ (func $test/switch/case/eval (; 0 ;) (type $i) (param $0 i32) (result i32)
+  (if (result i32)
+   (i32.eqz
+    (get_global $HEAP_BASE)
+   )
+   (i32.const 0)
+   (get_local $0)
+  )
+ )
+)