Add parseUniforms and parseAttributes for WebGL shaders

lib/make/webgl.js

@@ -64,5 +64,23 @@
       'ArrayBufferView'
     ]
     return random.item(sources)
+  },
+  parseUniforms: (shader) => {
+    let names = [], result = shader.match(/uniform .* (\w+)(?=;)/gm)
+    if (result) {
+      result.forEach(function (v) {
+        names.push(v.split(" ").pop())
+      })
+    }
+    return names
+  },
+  parseAttributes: (shader) => {
+    let names = [], result = shader.match(/attribute .* (\w+)(?=;)/gm)
+    if (result) {
+      result.forEach(function (v) {
+        names.push(v.split(" ").pop())
+      })
+    }
+    return names
   }
 }