BS

Implementation of the BS language as created by Mark Rendle at BuildStuff.lt 2014

BS is a general purpose Gradually typed language which can and should be used for building absolutely everything absolutely all the time.

BS Hates programmers
Booby trapped aztec temple pit of fail
Programs must be edited and saved using Microsoft Word (2003)
Compiles to ECMAScript3

Watch the talk, recorded at SkillsMatter

##Example program

#define /^my (.*?) thing:$/class \1:/
my Greeter thing:
  public function __construct(€name)
      HALT_AND_CATCH_FIRE
    (unless €name !=== null);
    €this->name = €name;
    Delete €name;

  public function say(€thing isProbablyA String)
    echo €thing, « », €this->name, BS::EOL;
    Delete €thing;

##Language Features

Significant whitespace
Significant formatting
17 bit integers
Variables must be prefixed by €
Variable hoisting from all scopes
Exception handling - BS has only one exception - HALT_AND_CATCH_FIRE
Raise exceptions conditionally with (unless <condition>)
String processing:
- ' ' Single quotes for ASCII strings
- '' '' Double single quotes for ANSI strings
- " " Double quotes
- "" "" Double double quotes
- « » European quotes are used for UTF-256
- «« »» Double european quotes used for UTF-256 with string interpolation
Mandatory Comments - at the end of every line, demarked by 5 spaces
Optionally end statements with ;
unless statements must be terminated with ;
Regex Aliasing - #define
Line numbers are mandatory, and must increment in steps of 42

BSLang/BS

BS