LittleSmallscript 

Minori Yamashita 

LittleSmallscript 

LittleSmallscript Little Smalltalk Smalltalk-80 to your terminal http://smalltalk.org/versions/LittleSmalltalk.html ・Minimal ・Subset of Smalltalk-80 language ・No graphical VM ・Scopes of instance variables ・Cascade ・Class syntax (v5) 

LittleSmallscript Smalltalk-80 Dynamic Class-based Object Oriented Language http://en.wikipedia.org/wiki/Smalltalk ・Graphical VM ・Many forks ・Squeak ・Pharo ・Visual Works ... ・Syntax 

LittleSmallscript Javascript Dynamic Prototype-based Object Oriented Language https://developer.mozilla.org/en-US/docs/JavaScript ・Web ・Server ・Mobile ・Everywhere ・Objects ・Libraries 

Code 

Object subclass:#Animal variables:#(#name). !Animal setName: nm name := nm !. !Animal move: metre console log: name + ' moved ' + metre + 'm' !. Animal subclass:#Snake variables:#(). !Snake move console log: 'Slithering...'. Snake super:#move arguments:#(5) !. Snake new; setName:'Sammy the Python'; move 

Feature 

Feature 1. Syntax that is similar to Smalltalk's chunk format 2. Use Javascript functions and methods ・forEach, $, Object#keys ... 3. Compiles into clean JavaScript ・Human readable ・Easy to fallback to native JS 

Why LittleSmallscript? 

No C 

for (i = 0; i < 5; ++i) { alert(i); } while (x < 5) { --x } try {} catch (err) {err} 

for (i = 0; i < 5; ++i) { alert(i); } while (x < 5) { --x } try {} catch (err) {err} 

(0 to:4) do:[:i| alert value:i ] [x < 5] whileTrue:[ x -= 1 ] [ ] tryCatch:[:err|err] 

(0 to:4) do:[:i| alert value:i ] [x < 5] whileTrue:[ x -= 1 ] [ ] tryCatch:[:err|err] 

Just self No self=this 

Just !X y ...! No X.prototype.y 

littlesmallscript --watch Compile in no time 

LittleSmallscript 

http://ympbyc.github.com/LittleSmallscript