Module: Crapshoot

Defined in:
lib/crapshoot.rb,
lib/crapshoot/result.rb,
lib/crapshoot/scanner.rb,
lib/crapshoot/version.rb,
lib/crapshoot/evaluator.rb,
lib/crapshoot/postfixer.rb,
lib/crapshoot/parser/scan.rb,
lib/crapshoot/tokens/base.rb,
lib/crapshoot/tokens/series.rb,
lib/crapshoot/tokens/constant.rb,
lib/crapshoot/tokens/arithmetic.rb

Defined Under Namespace

Modules: Parser, Tokens Classes: Evaluator, Postfixer, Result, Scanner

Constant Summary collapse

VERSION = 
'0.5.0'

Class Method Summary collapse

Class Method Details

.roll(expression) ⇒ Crapshoot::Result

Rolls dice for the given expression.

Parameters:

  • crapshoot (String) —

    expression to evaluate, such as ‘4d6v + 8’

Returns:

  • (Crapshoot::Result) —

    the result of the expression, can be used as a normal Integer



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# File 'lib/crapshoot.rb', line 12

def self.roll(expression)
  scanner = Scanner.new
  postfixer = Postfixer.new
  evaluator = Evaluator.new

  tokens = scanner.parse expression
  postfix_tokens = postfixer.postfixify tokens
  result = evaluator.evaluate postfix_tokens

  return result
end