The Return of Chef (TROC)

A Programming Language for Cooking Recipes and Nutrition Analysis

TROC Project Team

Jia Chen – Language ArchitectJia Chen – Language Architect Jeff Hull – Tester and ValidatorJeff Hull – Tester and Validator Kuang Shen – System IntegratorKuang Shen – System Integrator Yiping Xu – Tools GuruYiping Xu – Tools Guru

The Purpose of TROC

Healthy Diet Healthy Diet Lifestyle Lifestylevarious diet services found on/offlinevarious diet services found on/offline

which theory do I follow??which theory do I follow??

how to know the healthiness of my own how to know the healthiness of my own dietdiet

hard for amateur to calculate the hard for amateur to calculate the nutrition factsnutrition facts

The Purpose of TROC

Then comes TROC!Then comes TROC!{{

11 create your own recipes for daily diet;create your own recipes for daily diet;

22 have nutrition facts auto-calculated; have nutrition facts auto-calculated;

33 adjust recipe to “healthize” diet; adjust recipe to “healthize” diet;

44 recalculate, if still unsatisfied GOTO line 3; recalculate, if still unsatisfied GOTO line 3;

55 cook; cook;

66 inject food; inject food;

}}

Design Principles

Syntax: Syntax: - Close to recipe convention - Close to recipe convention

|- Less ambiguous|- Less ambiguous

|- Smooth learning curve|- Smooth learning curve20-Minute Beef Stew

3 pounds boneless beef, cut into cubes

1/3 cup flour

1 ½ cups wine

3 tablespoons oliveoil

1 onion, chopped

2 carrots, cut into pieces

1 pound potatoes, cut into pieces

Salt and ground pepper

Coat beef with flour, salt and pepper;

Warm oliveoil with pressure cooker for 3 minutes;

Add wine,beef,onion,potato and carrot into the cooker;

Cook on “high” for 20 minutes;

Serve.

Dish 20_Minute_BeefStew{beefToBeStewed: 3 lb BonelessBeef;flour: 1/3 cup Flour;salt: 2 g Salt;pepper: 1 g GroundPepper;oliveOil: 3 teaspoon OliveOilwine: 1.5 cup RedWine;onion: 1 unit Onion;carrot: 2 unit Carrot;potato: 0.5 lb Potato;

cut beefToBeStewed into cubes;chop onion;cut [carrot,potato] into pieces;coat beefToBeStewed with [salt, pepper, flour];cook oliveOil with PressureCooker for 3 minute;cook [beefToBeStewed, onionToBeChopped, garlic, carrot, potato, wine, oliveOil] with PressureCooker mode HIGH for 20 minute;

}

Design Principles

Semantics:- Strongly TypedSemantics:- Strongly Typede.g. Rule: Cook Ingredient with Cookwaree.g. Rule: Cook Ingredient with Cookware

Cook Beef with PressureCooker Cook Beef with PressureCooker Cook Beef with MixingBowlCook Beef with MixingBowl

- Static Typing- Static Typing - Object inheritance- Object inheritance

- Integrated Metric - Integrated Metric SystemSystem

e.g. e.g. olvOil: 3 olvOil: 3 teaspoonteaspoon OliveOil; OliveOil;equivalent to 0.5 oz OliveOilequivalent to 0.5 oz OliveOilTranslation done at compile timeTranslation done at compile time

Runtime

Runtime Routine CallsRuntime Routine Calls-- Program written in TROC is translated into java code Program written in TROC is translated into java code

which call functions in TROC run-time API which call functions in TROC run-time API

Nutrition Facts CalculationNutrition Facts Calculation-- Embedded in the TROC API functions, based on the Embedded in the TROC API functions, based on the

ingredients, tools and operations involved ingredients, tools and operations involved

- Formula based on the online authentic nutrient - Formula based on the online authentic nutrient database database created and maintained by created and maintained by Nutrition.govNutrition.gov

Execution Output

20-minute Beef Stew Nutrition Facts (per serving)

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

Carbohydrates(22g)

Fat (12g) Protein (11g) Calcium (1.2g) Vitamins A(4.4g)

Vitamins C(0.4g)

Sodium (0.9g)

nutritions

dai

ly d

ose

per

cen

tag

e

Major Nutrition Precentage

Carbohydrates

Fat

Protein

Calcium

Vitamins A

Vitamins C

Sodium

Using external library to output result from Microsoft ExcelUsing external library to output result from Microsoft Excel

Input_file.trocJLex:

Lexer

Symbol Table

CUP:Parser

Semantic Analyzer

Type Checking

Exception Handling

Troc API (written in

JAVA)

Intermediate Code Generator

Java Compiler JVM Output

Runtime Environment

Runtime Environment

Troc Type DefinitionTroc Type Definition

Cook Operation APICook Operation API

Troc Type Hierarchy

Ingredient

Fruit

ChickenBeef Pork

CondimentSeafood VegetableMeat

……

……CookWare

Inheritance

If there is something that is not one If there is something that is not one of the food type we already have,of the food type we already have,

Inheritance!

Grammar: Mushroom is a kind of Vegetable with white color, 10 Juiciness…...

M1 : 20 g Mushroom;

Cook Operation API

Cut (IngredientType beingCutObject, Cut (IngredientType beingCutObject, ToolType toolID, int Weight,)ToolType toolID, int Weight,)

Cook(IngredientType Cook(IngredientType beingCookedObject,beingCookedObject,ContainerTyper , int Weight)ContainerTyper , int Weight)

Other cook operations that we support: Other cook operations that we support: Place, Crush, Marinate, Coat,…Place, Crush, Marinate, Coat,…

Runtime API Functionality

Calculate the nutritionCalculate the nutrition Based on the formulaBased on the formula

Render the chartRender the chart

Runtime Output

0

5

10

15

20

25

30

35

0 30 60 90

Ti me

Vi tami nAVi tami nCVi tami nB

0200400600800

1000120014001600

0 30 60 90

Ti me

Cal or i ePertai n

Test Plan

Smoke TestSmoke Test Begin by testing the high level featuresBegin by testing the high level features

Unit TestingUnit Testing Create test cases for every function in APICreate test cases for every function in API black-box approachblack-box approach compare the actual results with expected resultscompare the actual results with expected results

Regression TestingRegression Testing Maintained a test file, where for every new Maintained a test file, where for every new

grammar construct added, we will run the test grammar construct added, we will run the test file to maintain program consistencyfile to maintain program consistency

Tested for:Tested for: Logical errors/inconsistenciesLogical errors/inconsistencies Syntax inconsistenciesSyntax inconsistencies Overall success of instructionsOverall success of instructions

Conclusions

What We LearnedWhat We Learned Aside from some healthy Aside from some healthy

recipes…recipes… Gained Valuable Group Gained Valuable Group

work experiencework experience How to cope when a team How to cope when a team

member quitsmember quits The ins and outs of The ins and outs of

designing a Languagedesigning a Language How to limit the scope and How to limit the scope and

complexity of your projectcomplexity of your project

Why Use our Language?

The benefits of healthy eating are The benefits of healthy eating are too numerous to name. Our too numerous to name. Our language can help you cook and language can help you cook and eat healthier.eat healthier.

Questions?