Give me a lever long enough and a fulcrum on which to place it, and - - PowerPoint PPT Presentation

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give me a lever long enough and a fulcrum on which to
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Give me a lever long enough and a fulcrum on which to place it, and - - PowerPoint PPT Presentation

Feb 16, 2024 106 likes •315 views

Give me a lever long enough and a fulcrum on which to place it, and I shall move the world. - Archimedes Team Members Project Manager - Roy Hermann Language Guru - Chaiwen Chou System Architect - Mahd Tauseef System Engineer - Zissis

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“Give me a lever long enough and a fulcrum on which to place it, and I shall move the world.” - Archimedes

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Project Manager - Roy Hermann Language Guru - Chaiwen Chou System Architect - Mahd Tauseef System Engineer - Zissis Konstas Verification and Validation - Eden Dolev

Team Members

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  • High-level programming language for retrieving

useful information from the abundance of data that is available through social networks.

What is Lever?

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Why Lever?

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Lever is….

Simple Weakly typed Powerful Concise

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Language Guru

Chaiwen Chou

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$ ./leverc HelloWorld.lever $ ./lever HelloWorld

Hello World!

1 program { 2 output “helloworld”; 3 } HelloWorld.lever Compile and run in unix shell

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Lever Social Constructs

1 program { 2 var topic = #input; 3 var user = @input; 4 var result = get topic, user; 5 output result; 6 } SimpleProgram.lever

@pratapabhyudaya - Conservatives touch 300 mark #ConservativesMustWin #UKElectionsFri May 08 03:21:59 EDT 2015 @CidobBarcelona - .@oopenblog: triunfo personal de Cameron limita el impacto de la ala derecha del partido conservador #UKelectionsFri

example output:

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System Architect

Mahd Tauseef

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Translator Architecture

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Translator Walkthrough

program {

  • utput “hello world”;

}

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Translator Walkthrough

Semantic Check Symbol Table Identifier Type a String Code Generator

.java file

1 // HelloWorld.lever 2 program { 3 var a = “hello world”; 4 output a; 5 }

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Systems Engineer

Zissis Konstas

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Development and Runtime Environment

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Antlr 4 - Compiler Generation Tool

Lexer Parser Grammar Lexer Rules Node Visitor Listener

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Verification and Validation

Eden Dolev

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Automated Testing

  • Bash
  • Test Cases
  • Bugs
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Sample Test Output

/* Test for: WHILE LOOPS Expected output: "YES\nYES\nYES\nYES\n" */ program { var counter = 1; while(counter <= 3) {

  • utput "YES";

counter++; } while(counter <=6) counter++; if(counter == 7) {

  • utput "YES";

} else {

  • utput "NO: braceless while failed\n";

} }

whileLoopTest.lever example output:

user$ ./tester ifTest.lever whileLoopTest.lever testing... Compiling Lever into intermediate code... Compiling and JARing API... Compiling program... Removing intermediate files... ifTest.lever compiled successfully! Compiling Lever into intermediate code... Compiling and JARing API... Compiling program... Removing intermediate files... whileLoopTest.lever compiled successfully! FAILURE - ifTest.lever - Exp:YES YES YES Act:YES YES NO: Third if statement failed. SUCCESS - whileLoopTest.lever 0 compile-errors, 0 runtime-errors, 1 failures and 1 successes

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Live Demo - UK Elections

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Conclusions

  • Eden Dolev
  • Zissis Konstas
  • Mahd Tauseef
  • Chaiwen Chou
  • Roy Hermann