featurevaluedemo.gram

It is the Speech recognition software. It is platform independent. To execute the source code,

#JSGF V1.0;

grammar demo.jsapi.tags.FeatureValueDemo;

// Pizza toppings and command.
//
<pizzaTopping> = cheese 
	       | pepperoni 
	       | mushrooms 
	       | mushroom
               | onions 
               | onion
               | sausage;

<pizza> = <NULL> { this.toppings = new Array(); }
	  ([and] <pizzaTopping> { 
              this.toppings = this.toppings.concat($.$value); 
          })*
          (pizza | pie) { this.itemType = "pizza"; }
	  [with] ([and] <pizzaTopping> { 
              this.toppings = this.toppings.concat($.$value); 
          })*;

// Burger toppings and command.
//
<burgerTopping> = onions 
                | pickles 
                | tomatoes 
                | lettuce 
                | cheese;

<burgerCondiment> = mayo 
		  | relish 
		  | ketchup 
		  | mustard 
		  | special sauce;

<burger> = <NULL> { this.toppings = new Array(); } 
           ((burger | hamburger) { this.itemType = "burger"; }
            | cheeseburger { this.itemType = "burger";
                             this.toppings = this.toppings.concat("cheese"); }
           )
 	   [with] 
	   ([and] (<burgerTopping> | <burgerCondiment>) {
                       this.toppings = this.toppings.concat($.$value); }
           )*;

public <order> = [I (want | would like) a] 
		 ( <pizza>  { this.command = "buyPizza"; }
                 | <burger> { this.command = "buyBurger"; }
                 ) { this.item = $; };