Class: Arithmetic::Tokenizer

Inherits:
Object
  • Object
show all
Defined in:
lib/arithmetic/parser.rb

Instance Method Summary collapse

Instance Method Details

#tokenize(exp) ⇒ Object 



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# File 'lib/arithmetic/parser.rb', line 71

def tokenize(exp)
  tokens = exp
    .gsub('*', ' * ')
    .gsub('/', ' / ')
    .gsub('+', ' + ')
    .gsub('-', ' - ')
    .gsub('(', ' ( ')
    .gsub(')', ' ) ')
    .split(' ')
  tokens = parse_operators(tokens)
  replace_unary_minus(tokens)
end